Baxi ALYA FS-A Series Installation, User And Service Manual
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Baxi ALYA FS-A Series Installation, User And Service Manual

Reversible air/water "split inverter" heat pump
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Installation, User and Service Manual
Reversible air/water "Split Inverter" heat pump
ALYA FS-A
SYSMGR ALYA 4-6 E FS-A
SYSMGR ALYA 4-6 E FS-A-EXP
SYSMGR ALYA 8-10 E FS-A
SYSMGR ALYA 8-10 E FS-A-EXP
SYSMGR ALYA 12-16 E FS-A
SYSMGR ALYA 4-6 H FS-A
SYSMGR ALYA 8-10 H FS-A
SYSMGR ALYA 12-16 H FS-A

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  • Page 1 Installation, User and Service Manual Reversible air/water "Split Inverter" heat pump ALYA FS-A SYSMGR ALYA 4-6 E FS-A SYSMGR ALYA 4-6 E FS-A-EXP SYSMGR ALYA 8-10 E FS-A SYSMGR ALYA 8-10 E FS-A-EXP SYSMGR ALYA 12-16 E FS-A SYSMGR ALYA 4-6 H FS-A SYSMGR ALYA 8-10 H FS-A SYSMGR ALYA 12-16 H FS-A...

  • Page 2: Table Of Contents

    Contents Contents Safety instructions and recommendations ..............6 General safety instructions .
  • Page 3 Contents 6.3.4 Installing the indoor unit ..............43 Accessing the internal components .
  • Page 4 Contents Configuring the backup boiler ..............79 8.6.1 Configuring the backup boiler parameters .
  • Page 5 Contents 11.5.3 Activating and configuring a timer programme for heating ........122 11.5.4 Activating and configuring a timer programme for cooling .

  • Page 6: Safety Instructions And Recommendations

    1 Safety instructions and recommendations Safety instructions and recommendations General safety instructions Operation Danger This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
  • Page 7 1 Safety instructions and recommendations Precautions All work on the refrigeration circuit must be carried out by a qualified professional, according to prevailing codes of practice and safety in the profession (recovery of the refrigerant, brazing under nitrogen). By qualified professional, we mean a person who has the qualifications pertaining to this refrigerant han­ dling and pipework as stipulated by the local laws and regulations, and who has been trained in matters relating to refrigerant handling and pipework on the indoor unit and outdoor unit.

  • Page 8: Water Connections

    1 Safety instructions and recommendations Precautions Caution The pressure limiter device (safety valve or safety unit) must be regularly operat­ ed in order to remove limescale deposits and ensure that it is not blocked. A pressure limiter device must be fitted to a discharge pipe. As water may flow out of the discharge pipe on the pressure limiter device, the pipe must be kept open to the air, in a frost-free environment, and at a continuous downward gradient.

  • Page 9: Domestic Water Safety

    1 Safety instructions and recommendations Domestic water safety General Heating water and domestic water must not come into contact with each other. Domestic water must not circulate through the exchanger. Take precautions with the domestic hot water. Depending on the heat pump settings, the domestic hot water temperature may exceed 65 °C.

  • Page 10: About R32 Refrigerant

    1 Safety instructions and recommendations About R32 refrigerant Precautions This product contains fluorinated greenhouse gases. Do not vent gases into the atmosphere. Warning Do not attempt to speed up the defrosting process or clean using methods other than those recommended by the manufacturer. The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater).

  • Page 11: Installation Location

    1 Safety instructions and recommendations Precautions The refrigerant pipes must be secured to a suitable support every 2 metres. The refrigerant pipes must not be accessible to the general public unless they are protected against un­ authorised operation or disconnection. The refrigerant pipes and the gaskets must be manufactured with non-removable gaskets when these are located in an occupied space.

  • Page 12: Explanations Given To The User

    1 Safety instructions and recommendations 1.10 Explanations given to the user Precautions Do not power off the heat pump. The frost protection function does not work if the heat pump is switched off. If you do not need to heat your home for a long period, activate the frost protection mode. If you do need to switch off the heat pump and if there is a risk that the temperature inside the building will fall below zero, drain the indoor unit and the heating system to prevent the system from freezing.

  • Page 13: Standard Delivery

    2 Standard delivery Standard delivery Tab.1 Package Contents Outdoor unit An outdoor unit A manual Indoor unit An indoor unit A documentation bag containing: an installation, use and service manual a quick user guide a list of important points to ensure successful installation a label indicating the total refrigerant charge labels relating to fluorinated greenhouse gases in several languages an energy label...

  • Page 14: Symbols Used On The Data Plate

    3 Symbols used Symbols used on the data plate Fig.1 1 Heat pump: type of refrigerant, maximum operating pressure, and power absorbed by the indoor unit. 2 Compatibility with the eMO Life connected thermostat 3 Before installing and commissioning the appliance, carefully read the instruction manuals provided 4 Dispose of used products in an appropriate recovery and recycling structure...

  • Page 15: Technical Specifications

    Homologations 4.1.1 Directives Baxi hereby declares that the ALYA FS-A radio-electrical type equipment is a product principally designed for domestic use and compliant with the following directives and standards. It has been manufactured and put into circulation in accordance with the requirements of the European Directives.

  • Page 16: Heat Pump

    4 Technical specifications Tab.2 Outdoor unit Associated/compatible indoor units HP KEYMARK Registration Number AWHP2R 4 MR SYSMGR ALYA 4-6 E FS-A 007-DN0138 SYSMGR ALYA 4-6 E FS-A-EXP SYSMGR ALYA 4-6 H FS-A AWHP2R 6 MR SYSMGR ALYA 4-6 E FS-A 007-DN0138 SYSMGR ALYA 4-6 E FS-A-EXP SYSMGR ALYA 4-6 H FS-A...
  • Page 17 4 Technical specifications Tab.5 Heating mode: outdoor air temperature +7 °C, water temperature at the outlet +35 °C. Performances in accordance with EN 14511-2. Measurement type Unit AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R 4 MR 6 MR 8 MR 10 MR 12 MR 12 TR...

  • Page 18: Heat Pump Weight

    4 Technical specifications Measurement type Unit AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R 4 MR 6 MR 8 MR 10 MR 12 MR 12 TR 16 MR 16 TR Refrigerant connection inch 1/4 - 5/8 1/4 - 5/8 3/8 - 5/8 3/8 - 5/8 3/8 - 5/8 3/8 - 5/8...

  • Page 19: Combination Heaters With Medium-Temperature Heat Pump

    4 Technical specifications Tab.15 Technical specifications of the secondary circuit (domestic water) Specification Unit Value Maximum operating temperature °C Minimum operating temperature °C Maximum operating pressure MPa (bar) 1 (10) Water capacity Tab.16 Common specifications (in accordance with the EN 16147 standard). Water temperature setpoint: 54 °C – Outside temperature: 7 °C –...
  • Page 20 4 Technical specifications Product name Unit AWHP2R 4 AWHP2R 6 AWHP2R 8 Declared coefficient of performance or primary energy ra­ tio for part load at an indoor temperature of 20 °C and outdoor temperature COPd = -7 °C 2.17 2.17 2.16 COPd = +2 °C...
  • Page 21 4 Technical specifications Product name Unit AWHP2R 10 AWHP2R 12 AWHP2R 12 Declared capacity for heating for part load at an indoor temperature of 20 °C and outdoor temperature = -7 °C 10.3 10.3 = +2 °C = +7 °C = +12 °C = bivalent temperature 10.3...
  • Page 22 4 Technical specifications Product name Unit AWHP2R 10 AWHP2R 12 AWHP2R 12 Daily fuel consumption 0.000 0.000 0.000 fuel Annual fuel consumption (1) The rated heat output Prated is equal to the design load for heating Pdesignh , and the rated heat output of a supplementary heater Psup is equal to the supplementary capacity for heating sup(Tj) .

  • Page 23: Sensor Specifications

    4 Technical specifications Product name Unit AWHP2R 16 MR AWHP2R 16 TR Other specifications Capacity control Variable Variable Sound power level, indoors - outdoors 39 – 56 39 – 56 Annual energy consumption under average conditions 7914 7914 Annual energy consumption under colder conditions 9309 9310 Annual energy consumption under warmer conditions...

  • Page 24: Circulating Pump

    4 Technical specifications 4.2.7 Circulating pump Important The benchmark for the most efficient circulating pumps is EEI ≤ 0.20. The circulating pump in the indoor unit is a variable speed pump. It adapts its speed to the distribution network. The speed of the circulating pump is controlled to reach a set point flow rate.

  • Page 25: Dimensions And Connections

    4 Technical specifications Dimensions and connections 4.3.1 Indoor unit Fig.7 435,5 1 Circuit B return - second circuit option 8 Flow to backup boiler G3/4” - models with hydraulic 2 Circuit B flow - second circuit option backup only 3 Refrigerant connection - gas line 9 Return from backup boiler G3/4”...

  • Page 26: Outdoor Unit Awhp2R 4-6 Mr

    4 Technical specifications 4.3.2 Outdoor unit AWHP2R 4-6 MR Fig.8 1008 MW-1002152-1 1 1/4" refrigerant connection – liquid line 2 5/8" refrigerant connection - gas line ALYA FS-A 7802479 - v05 - 31082023...

  • Page 27: Outdoor Unit Awhp2R 8-10-12-16 Mr 12-16 Tr

    4 Technical specifications 4.3.3 Outdoor unit AWHP2R 8-10-12-16 MR 12-16 TR Fig.9 1118 MW-1002153-1 1 3/8" refrigerant connection - liquid line 2 5/8" refrigerant connection - gas line Refrigeration diagram of the heat pump Fig.10 Refrigeration diagram in heating mode MW-1002273-1 7802479 - v05 - 31082023 ALYA FS-A...
  • Page 28 4 Technical specifications A Outdoor unit C Indoor unit B Refrigerant connection pipes Refrigerant circuit 14 Stop valve (gas line) 1 Accumulator 15 Stop valve (liquid line) 2 Low pressure switch (1.4 bar) 16 Filter 3 Intake pipe temperature sensor 17 Electronic expansion valve 4 Rotary reciprocating compressor 18 Flared joint (gas line)

  • Page 29: Electrical Diagram

    4 Technical specifications Electrical diagram Fig.11 Configurations with 3 -6 kW immersion heater MW-1002181-1 7802479 - v05 - 31082023 ALYA FS-A...
  • Page 30 4 Technical specifications Fig.12 Configurations with 1.5 kW immersion heater MW-1002182-1 Description ACI BDR Impressed current anode PCB BACKUP POWER SUPPLY Power supply for the backup immersion heater ALYA FS-A 7802479 - v05 - 31082023...
  • Page 31 4 Technical specifications Description BLE Smart Antenna ® PCB for Bluetooth communication BLUE Blue BL1 Multifunction BL1 multifunction input BL2 Multifunction BL2 multifunction input BOILER Boiler Condensation sensor Condensation sensor CONDENSER DEPARTURE.TEMP SENSOR Condenser flow temperature sensor CONDENSER RETURN TEMP SENSOR Condenser return temperature sensor DHW t°...

  • Page 32: Description Of The Product

    5 Description of the product Description of the product Data plates Fig.13 The data plates must be accessible at all times. They identify the product and provide important information: product type, date of manufacture (year - week), serial number, electrical power supply, operating pressure, electrical output, IP rating, refrigerant type.
  • Page 33 5 Description of the product 3 Control panel access flap 14 Condenser return temperature sensor 4 ON/OFF button 15 Venting valve 5 Heat exchanger for the production of domestic hot 16 Heating safety valve water (coil) 17 Main pump 6 Expansion vessel 18 Magnetic sieve filter 7 Sensor tube for the domestic hot water sensor 19 Domestic hot water tank drain valve...

  • Page 34: Description Of The Connection Terminal Blocks

    5 Description of the product 19 Domestic hot water tank drain valve 23 Immersion heater terminal block 20 Flow meter 24 Heating flow temperature sensor 21 Condenser flow temperature sensor 25 Mechanical pressure gauge 22 Immersion heater Fig.16 Position of the PCBs 1 EHC–09 main electronic board: controls the heat pump and the first heating circuit (direct circuit) 2 SCB-04 extension PCB: controls a second heating circuit - option...

  • Page 35: Second Circuit Optional Pcb Scb-04

    5 Description of the product 5.3.2 Second circuit optional PCB SCB-04 Fig.18 X1 Circulating pump / three-way valve / safety thermostat input power supply X2 Circulating pump PWM command signal R-Bus: eMO Life connected room thermostat, on/off thermostat, OpenTherm thermostat FUSE Tflow: flow sensor Tout: do not connect anything...

  • Page 36: Description Of The User Interface

    5 Description of the product Description of the user interface See also Operation, page 117 5.4.1 Description of the interface Fig.21 Back button Main menu button Display Selection/validation button Screen backlighting colour according to status: Blue = normal operation Red = warning or blockage Flashing red = lockout See also Types of error code, page 142...

  • Page 37: Description Of The Home Screen

    5 Description of the product Icons Description Operating test mode activated Installer level activated 5.4.4 Description of the home screen The home screen is displayed automatically after the appliance is started The screen automatically goes into standby if no button is pressed for five minutes.

  • Page 38: Description Of The Carousel

    6 Installation 5.4.6 Description of the carousel Fig.25 The carousel is used to quickly access the user interface menus. The displayed menus depend on the system configuration. Display the carousel by pressing the Main menu button. Scroll through the menu by turning the button.

  • Page 39: Respecting The Distance Between The Indoor Unit And The Outdoor Unit

    6 Installation Caution Installation of the heat pump must be done by a qualified professional in accordance with prevailing local and national regulations. Respecting the distance between the indoor unit and the outdoor unit To ensure that the heat pump functions correctly, respect the minimum and maximum connection lengths between the indoor unit and the outdoor unit.
  • Page 40 6 Installation Fig.27 1. Determine the minimum unoccupied ground surface area S (m required for the installation. S(m²) Fig.28 2. Add ventilation openings, if necessary. If the ground surface area of the installation room is not sufficient, add ventilation openings to other rooms until the sum of the surface areas S + ...

  • Page 41: Minimum Ground Surface Area And Surface Area Of Ventilation Openings

    6 Installation Fig.30 5. The accessories must be fitted to the indoor unit before the unit is mounted on the wall. Allow sufficient space around the indoor unit. Do not install the indoor unit in a cupboard. This space allows clear access for maintenance operations. 1 0 0 6.
  • Page 42 6 Installation Fig.31 ≥ 150 cm ≤ 30 cm ≤ 20 cm ≤ 10 cm ≥ 2 cm MW-1002251-2 High ventilation opening Low ventilation opening Section of the bottom ventilation opening positioned less than 20 cm from the floor 1. Mark out the location of the low ventilation opening B. There is no restriction on the distance from the ground to the top of the opening, however, only the surface area of the opening which is located less than 30 cm from the ground is taken into account for...

  • Page 43: Installing The Indoor Unit

    6 Installation 6.3.4 Installing the indoor unit Fig.33 Important Use suitable lifting equipment. MW-1002285-1 1. Remove the 3 screws securing the indoor unit to the pallet. 2. Lower the indoor unit from the pallet. 3. Fit the indoor unit in the predetermined location. 4.

  • Page 44: Hydraulic Connections

    6 Installation Fig.36 3. To access the user interface: lift the user interface support upwards then tilt it forwards. Important Keep a good hold of the user interface module in order not to pull out or disconnect the electrical connections on the control panel. Fig.37 4.
  • Page 45 6 Installation Use the maximum temperature of the circuit in heating mode or a minimum of 55 °C. If the volume of the integrated expansion vessel (8 litres) is not sufficient, add an external vessel to the heating circuit. Fig.39 Ø...
  • Page 46 6 Installation Circuit Connections to be made Caution Second mixing In case of a circuit with radiators fitted with thermostatic valves, in­ zone stall a differential valve to ensure flow. Radiators Install an automatic air vent at the highest point on the heating circuit. Install two isolation valves.

  • Page 47: Special Precautions For Connecting The Heating Circuit

    6 Installation 6.5.2 Special precautions for connecting the heating circuit Caution Hold the connection at the indoor unit end with a spanner to avoid twisting the pipe inside the appliance. Caution The hydraulic installation must be capable of handling a minimum flow rate at all times: If radiators are connected directly to the heating circuit, install a differential valve between the indoor unit and the heating circuit.

  • Page 48: Special Precautions For The Connection Of The Domestic Hot Water Circuit

    6 Installation If the volume of the integrated expansion vessel (8 litres) is not sufficient, add an external expansion vessel on the heating circuit. Tab.33 Underfloor heating type installation: maximum temperature of 40 °C Static height (m) Expansion vessel Volume of the expansion vessel depending on the volume of the installation (l) inflation pressure (bar) 6.5.3...

  • Page 49: Connecting The Safety Valve Drain Pipe

    6 Installation 6.5.4 Connecting the safety valve drain pipe Fig.41 1. Connect the drain pipe to the waste water discharge. Caution The safety valve drain pipe must not be obstructed. Caution The drain pipe can be installed on the left or right. Caution If the gradient is not sufficient for the outflow, use a condensate pump.

  • Page 50: Checking The Heating Circuit

    Other components mg/litre < 1 °f 7 - 15 Total water hardness °dH 4 - 8.5 mmol/l 0.7 - 1.5 If water treatment proves necessary, Baxi recommends the following manufacturers: Cillit™ CLimalife® Fernox Permo Sentinel® 6.7.2 Checking the heating circuit Fig.43 1.

  • Page 51: Filling The Domestic Hot Water Circuit

    6 Installation 6.7.3 Filling the domestic hot water circuit Fig.44 1. Flush the entire domestic circuit, including the domestic hot water tank, with at least 20 times its volume of water. Use the appliance's drain valve. 2. Turn on a hot water tap. 3.

  • Page 52: Selecting The Location Of The Outdoor Unit

    6 Installation Tab.37 Outdoor unit Unit AWHP2R 4 MR 1000 AWHP2R 6 MR 1000 AWHP2R 8 MR 1500 AWHP2R 10 MR 1500 AWHP2R 12 MR 1500 AWHP2R 12 TR 1500 AWHP2R 16 MR 1500 AWHP2R 16 TR 1500 6.8.2 Selecting the location of the outdoor unit Fig.46 To ensure the outdoor unit operates correctly, its location must meet certain conditions.

  • Page 53: Selecting The Location Of The Outdoor Unit In Cold And Snowy Regions

    6 Installation Fig.48 1. Provide a pebble bed for condensate discharge. 2. Provide concrete cross beams on a stable floor, without a rigid connection to the building, and which can bear the weight of the outdoor unit. 3. Install the rubber floor supports (not supplied). 4.

  • Page 54: Installing The Outdoor Unit On The Wall Mounting Bracket

    6 Installation 6.8.6 Installing the outdoor unit on the wall mounting bracket Fig.50 To facilitate maintenance and limit vibrations, the outdoor unit can be installed on solid ground. However, it is also possible to secure the outdoor unit on a wall mounting bracket. When mounting the outdoor unit on a wall mounting bracket, pay attention to following points: Use the appropriate bracket and anti-vibration spring assemblies.

  • Page 55: Refrigeration Connections

    6 Installation Fig.53 2.2. Remove the soundproofing cover from the compressor. Fig.54 2.3. Remove the compressor transport support. 2.4. Refit the soundproofing cover on the compressor. 2.5. Refit the access panel for the refrigerant components. Refrigeration connections 6.9.1 Preparing the refrigerant connections Danger Only a qualified professional may carry out the installation, in compliance with current legislation and standards.

  • Page 56: Equipment

    6 Installation Angle the opening in the pipe downwards to ensure no particles can get inside, while preventing oil traps. If the pipes are not connected immediately, plug them to prevent moisture from entering. Do not reuse beaded joints, always fabricate a new joint. See also Respecting the distance between the indoor unit and the outdoor unit, page 39...

  • Page 57: Connecting The Refrigerant Connections To The Indoor Unit

    6 Installation 6.9.4 Connecting the refrigerant connections to the indoor unit Fig.56 Caution Use a second spanner to stop the refrigerant connection from twisting. MW-1002117-1 Fig.57 1. Remove the Schrader valve plug. 2. Check the tightness of the refrigeration circuit. Gently push a screwdriver into the Schrader valve.

  • Page 58: Connecting The Refrigerant Connections To The Outdoor Unit

    6 Installation 6.9.5 Connecting the refrigerant connections to the outdoor unit Fig.59 Caution Use a second spanner to stop the refrigerant connection from twisting. MW-1002117-1 Fig.60 1. Remove the protective side panel from the outdoor unit. Fig.61 2. Remove the plugs from the stop valves. 3.

  • Page 59: Testing The Leak-Tightness Of The Refrigeration Connections

    6 Installation 6.9.6 Testing the leak-tightness of the refrigeration connections Caution When conducting the leak test, the entire refrigerant circuit must be accessible. After the leak test, if a component is permanently deformed, it must be replaced. Fig.63 1. Remove the plug from the service connection on the stop valve. 2.

  • Page 60: Add Refrigerant If Necessary

    6 Installation Fig.66 1. Open the valve on the liquid line with an Allen key by turning counter- clockwise until it stops. 2. Put the cap back in place. Torque load 14-18 Nm. MW-1001819-1 Fig.67 3. Open the valve on the gas line with an Allen key by turning counter- clockwise until it stops.

  • Page 61: Labelling The System

    6 Installation 6.9.10 Labelling the system The F-Gas N°517/2014 regulation (EC) requires the appliance to be indelibly marked with certain information such as the chemical name of the refrigerant and the amount of refrigerant contained in the refrigerant circuit. For this purpose, use the stickers provided with the indoor unit. 1.

  • Page 62: Checking The Refrigeration Circuit

    6 Installation Fig.68 1. Position the protective shells on the refrigeration connections. Important Pay attention to the mounting direction. MW-1002198-1 Fig.69 2. Fold each protective shell over. 3. Secure the protective shells with the Velcro strip. 6.9.12 Checking the refrigeration circuit 1.
  • Page 63 6 Installation Caution Power the appliance via a circuit that includes an omnipolar switch with contact opening distance of 3 mm or more. Single phase models: 230 V (+6%/-10%) 50 Hz Three-phase models: 400 V (+6%/-10%) 50 Hz Warning Check that wiring will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects.

  • Page 64: Connecting The Electrical Circuits

    6 Installation 6.10.2 Connecting the electrical circuits Fig.70 Wiring diagram and recommended cable cross-sections 230 V~ 3 x 1,5 mm² Typ C Laux Naux Tout 10 A 2 x 0,35 mm² < 30 m Backup 1,5kW / 230 V~ 3kW / 230 V~ 3-6kW / 230 V~ 3-6kW / 400 V 3N~ 400 V 3N~...

  • Page 65: Routing The Cables

    6 Installation Backup Connection terminal block for the immersion BUS Outdoor unit P/Q/E connection terminal block heater shielded Shielded cable IDU Connection terminal block of the indoor unit DIFF Residual current circuit breaker (RCCB) EHC Indoor unit EHC–09 PCB CB Protection circuit breaker T out Terminal block for outdoor temperature sensor Important Use a shielded cable for the BUS connection between the indoor...

  • Page 66: Connecting The Outdoor Unit To The Power Supply

    6 Installation Fig.72 1. Feed the power supply cable into the cable duct reserved for the 230 V circuit cables. MW-1002191-1 Fig.73 2. Connect the cable to the terminal block as shown in the figure. Press the push-button to allow the wire to be correctly inserted in the connector and locked.

  • Page 67: Connecting The Outdoor Unit To The Indoor Unit

    6 Installation 6.10.6 Connecting the outdoor unit to the indoor unit Fig.75 0-40V 1. Remove the service panel from the outdoor unit. 2. Connect a shielded BUS cable (minimum diameter: 3 x 0.5 mm between the terminal block P/Q/E of the outdoor unit and the terminal block P/Q/E of the indoor unit.
  • Page 68 6 Installation Fitting the outdoor temperature sensor Fig.77 The connection of an outdoor temperature sensor is mandatory to ensure the correct operation of the appliance. Plugs diameter 4 mm/drill diameter 6 mm 1. Choose a recommended location for the outdoor sensor. 2.

  • Page 69: Connecting A Backup Boiler

    6 Installation 6.10.8 Connecting a backup boiler Caution The connection of a hydraulic backup (backup boiler) or electrical backup (immersion heater) is essential to ensure comfort and the safety of the appliance. If no backup is connected, heating comfort and protection of the appliance against frost cannot be guaranteed.
  • Page 70 6 Installation Connecting the power supply of the 3 / 6 kW immersion heater Caution The connection of a hydraulic backup (backup boiler) or electrical backup (immersion heater) is essential to ensure comfort and the safety of the appliance. If no backup is connected, heating comfort and protection of the appliance against frost cannot be guaranteed.

  • Page 71: 6.10.10 Connecting An Electricity Meter

    7 Commissioning 6.10.10 Connecting an electricity meter An energy meter can be connected to the outdoor unit's power supply to provide the heat pump with a precise measurement of the electrical energy it has consumed. Fig.82 Do not install an electricity meter on the power supply of the heating elements.

  • Page 72: Action To Be Taken Before Commissioning

    The indoor unit is factory fitted with the BLE Smart Antenna PCB. The GTW-35 service tool is connected to the indoor unit. Fig.83 1. Download the Baxi START application on Google Play or on the App Store. ® 2. Activate the Bluetooth in the smartphone parameters.

  • Page 73: Cn1 And Cn2 Parameters

    7 Commissioning 5. Select Confirm to save the settings. 6. Check or set the parameter Long HP pipe (HP159). Indicate whether or not the length of the refrigerant connections is greater than 10 metres. If the parameter Long HP pipe (HP159) is not entered correctly, there may be a significant detrimental effect on performances.

  • Page 74: Setting The Flow Rate Of The Internal Second Circuit

    7 Commissioning For installations with underfloor heating, check that the collector valves open. Check that the measured flow rate is close to the target flow rate value, depending on the output of the outdoor unit. For an installation with radiators, set the flow rate using the compulsory pressure actuated bypass valve.

  • Page 75: Final Instructions For Commissioning

    8 Settings 6. Bring the target flow rate to the value Flow rate AM056 by adjusting the differential pressure valve. Unit AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R AWHP2R 4 MR 6 MR 8 MR 10 MR 12 MR 12 TR 16 MR 16 TR Target flow rate...

  • Page 76: Activating/Deactivating The Bluetooth ® For The Appliance

    8 Settings Fig.88 3. Enter the code 0012. The Installer level is now activated. All the functions and parameters are accessible. If no action is taken for 30 minutes, the system will automatically exit the Installer level. MW-6000945-1 ® Activating/deactivating the Bluetooth for the appliance The installer can enter all the settings via the smartphone application.

  • Page 77: Configuring The Heating Circuit

    8 Settings 2. Select the value that corresponds to the type of circuit selected: Value Description Zone1 Zone2 EHC–09 SCB-04 Disable No circuit connected Direct Direct heating circuit, without mixing valve Mixing Circuit Heating circuit for direct underfloor heating (Zone1) Second heating circuit with mixing valve (Zone2) Swimming pool Swimming pool heating...

  • Page 78: Configuring The Cooling Mode

    8 Settings 8.5.2 Configuring the cooling mode Cooling mode is used to reduce the temperature of a selected zone to below the outdoor temperature. The zone can only be cooled if it is equipped with underfloor heating (Zone Function parameter (CP020) set to Mixing Circuit) or convection fans (Zone Function parameter (CP020) set to Fan Convector).

  • Page 79: Configuring The Backup Boiler

    8 Settings Configuring the backup boiler 8.6.1 Configuring the backup boiler parameters To ensure optimal performance of the heat pump system with a backup boiler, it is necessary to configure the parameters of the backup boiler. 1. Adjust the boiler in 24/7 comfort mode. 2.

  • Page 80: Drying Screed With Or Without An Outdoor Unit

    8 Settings 2. Configure the heat pump parameters. Tab.45 Parameter Description Adjustment required Bivalent temperature Bivalent temperature 5 °C HP000 Hybrid mode Hybrid mode selection to choose on what Set according to the optimisation required. HP061 basis the hybrid system will optimise See following table.
  • Page 81 8 Settings Fig.91 Example of 3-phase screed drying Phase 1 programming. Phase 2 °C Phase 3 1. Follow the access path described below to access the screed drying parameters in the zone concerned: 00:00 10 9 8 6 5 4 3 2 1 Tab.47 Access path...

  • Page 82: Configuring A Room Thermostat

    8 Settings Signals/Meters Description Screed temp setpoint The current flow temperature setpoint for screed drying ZM000 Screed start time The start date and time of the screed drying procedure ZM010 Screed end time The projected end date and time of the screed drying procedure ZM020 Screed dry remaining The remaining duration of screed drying in days...

  • Page 83: Configuring The Anti-Legionella Function

    8 Settings 1. Connect the AC thermostat to the EHC–09 PCB. Fig.92 1 EHC–09 PCB 2 AC thermostat 3 ON/OFF output 22° 4 "Heating/cooling contact" output 2. Follow the access path described below. R-Bus MW-1001290-1 Access path > Installer > Installation setup > Zone1 > General 3.

  • Page 84: Configuring A Buffer Tank

    8 Settings 2. Activate triggering of the backups. Parameter Description Adjustment required DHW management Management of the operating mode for the heat pump. Comfort (HP+Boiler) DP051 To guarantee the effectiveness of the anti-legionella pro­ gramme, the immersion heater or the backup boiler must be able to take over from the heat pump to allow the setpoint temperature DHW AntiLeg Setpoint (DP160) to be reached 3.

  • Page 85: Improving Comfort

    8 Settings 8.11 Improving comfort 8.11.1 Improving domestic hot water or heating comfort The system does not allow the simultaneous production of heating and domestic hot water. It is possible to alter the parameters to adapt the operation of the product to your needs. 1.

  • Page 86: Configuring Sources Of Energy

    8 Settings 2. Set the parameters for silent mode. Parameter Description Adjustment required HP silent mode Heat pump silent mode level Silent mode level 1 HP058 3 choices are possible: No silent mode : normal operation Silent mode level 2 Silent mode level 1 : level 1 sound reduction Silent mode level 2 : level 2 sound reduction, which is higher than level 1...

  • Page 87: Supplying The Heat Pump With Photovoltaic Energy

    8 Settings Number of pulses per Values to be configured for the Elec pulse value (HP033) parameter 1000 The electrical energy measurements are read on the meters CH energy consumed (AC005), DHW energy consumed (AC006) and Cool energy consumed (AC007). The thermal energy from the backup boiler or heating element is factored in to provide the full tally of restored thermal energy.
  • Page 88 8 Settings Tab.53 Operation of the heat pump in a Smart Grid BL1 IN input BL2 IN input Operating Inactive Inactive Normal: the heat pump and the backup electric heater operate normally Active Inactive Off: the heat pump and the electric heating element are switched off Inactive Active Economy: the heat pump voluntarily overheats the system without the...

  • Page 89: Resetting Or Re-Establishing The Parameters

    9 Parameters 9. Configure the temperature offsets for the voluntary overheating by configuring the Offset heating - PV (HP091) and Offset DHW - PV (HP092) parameters. Parameter Adjustment required Offset heating - PV Heating setpoint temperature offset when photovoltaic energy is available HP091 Offset DHW - PV Domestic hot water setpoint temperature offset when photovoltaic energy is available...

  • Page 90: Installer > Installation Setup > Air Src Heat Pump

    9 Parameters 9.1.1 > Installer > Installation setup > Air Src Heat Pump In the Air Src Heat Pump sub-menu, you will find all parameters related to the behaviour of the heat pump. AP : Appliance Parameters = Appliance parameters HP : Heat pump Parameters = Heat pump parameters PP : Pump Parameters = Pump parameters Tab.54...
  • Page 91 9 Parameters Tab.56 > Appoint Parameters Description of the parameters Factory setting EHC–09 Bivalent temperature Above the bivalent temperature, the backup energy source is not 5 °C HP000 allowed to operate Can be set from -10 °C to 20 °C Backup type Type of backup used in the heat pump Backup boiler: Boiler...
  • Page 92 9 Parameters Parameters Description of the parameters Factory setting EHC–09 Cool.Setpoint offset Maximum offset applied to the cooling setpoint when a 0-10V 5 °C HP079 humidity sensor is used Can be set from 0 °C to 15 °C Humidity level Relative humidity level over which the offset is added to the cooling HP080 setpoint...
  • Page 93 9 Parameters Parameters Description of the parameters Factory setting EHC–09 BL2 function BL2 input function selection Partial blocking AP100 Full blocking Partial blocking User reset locking Backup relieved Generator relieved Gen.&Backup relieved High, Low Tariff Photovoltaic HP Only PV HP And backup Smart Grid ready Heating Cooling Offset heating - PV...

  • Page 94: Installer > Installation Setup > Zone1 Or Zone2

    9 Parameters Tab.63 > Advanced Parameters Description of the parameters Factory setting EHC–09 Long HP pipe The heat pump refrigerent pipe length is more than 10m HP159 9.1.2 > Installer > Installation setup > Zone1 or Zone2 The parameters for the Zone1 circuit are linked to the EHC-09 PCB and the parameters for the Zone2 circuit are linked to the SCB-04 PCB.
  • Page 95 9 Parameters Parameters Description of the parameters Factory setting Factory setting Zone1 Zone2 Zone HCZP Reduced footpoint of the temperature of heat curve of the 15 °C 15 °C Reduced circuit CP220 Can be set from 15 °C to 90 °C Zone Heating Heating curve temperature gradient of the zone Curve...
  • Page 96 9 Parameters Parameters Description of the parameters Factory setting Factory setting Zone1 Zone2 RevContactOTH Reversed OpenTherm contact in cooling mode for heat cool demand per zone CP690 Control strategy Selection of the control strategy for the zone Automatic Automatic CP780 Automatic : adapts the regulation strategy based on the sen­...

  • Page 97: Installer > Installation Setup > Domestic Hot Water (Domestic Hot Water)

    9 Parameters Tab.69 > Advanced Parameters Description of the parameters Factory setting Factory setting Zone1 Zone2 Opening Valve The time needed by the valve to be fully opened 60 Sec Time Can be set from 0 Sec to 240 Sec CP330 Zone Power Power setpoint per zone...

  • Page 98: Installer > Installation Setup > Outdoor Temperature

    9 Parameters Tab.72 > Backup Parameters Description of the parameters Factory setting EHC–09 Delay time for starting backup Delay time for starting the backup energy source for DHW for DHW Can be set from 0 Min to 120 Min DP090 DHW management ECO mode;...

  • Page 99: Bluetooth

    9 Parameters Tab.75 Parameters Description of the parameters Factory setting Factory setting Zone1 Zone2 Outdoor sensor Enable outdoor sensor AF60 AF60 AP056 No outside sensor AF60 QAC34 Summer Winter Outdoor temperature; Upper limit for heating 22 °C 22 °C AP073 Can be set from 10 °C to 30.5 °C in increments of 0.5 °C When set to 30.5 °C, automatic switching is de­...

  • Page 100: Installer > Signals

    9 Parameters 9.1.6 > Installer > Signals You can display several measured values concerning the current state of the heating system such as temperatures, status of the appliance, etc. Certain signals are displayed: according to certain system configurations, according to the options, circuits or sensors actually connected. Tab.77 >...
  • Page 101 9 Parameters Signals Description of the signals DHW activity Domestic Hot Water current activity DM019 Reduced Comfort Anti legionella DHW setpoint Domestic Hot Water temperature setpoint in °C DM029 DHW active Is the appliance currently in domestic hot water production mode? AM001 Tab.80 >...
  • Page 102 9 Parameters Signals Description of the signals Backup1 First stage of backup operation HM012 HP cooling setpoint Heat pump flow temperature setpoint in cooling mode in °C HM033 Tab.82 > Outdoor unit Signals Description of the signals Comm quality Quality of the communication between the control unit (CU) and the interface board in % HM024 Tab.83 >...

  • Page 103: Description Of The Parameters

    9 Parameters Meters Description of the meters Zone Pump Run Hours Numbers of pump operating hours of the zone CC001 Zone Nbr Pump Starts Numbers of times the pump of the zone has started CC010 DHW valve cycles Numbers of Domestic Hot Water diverting valve cycles DC002 Number of hours during which the Number of hours during which the diverting valve is in DHW position...

  • Page 104: Running The Back-Up In Domestic Hot Water Mode

    9 Parameters Fig.94 Time delay curve for starting the t Time (minutes) backup T Outdoor temperature (°C) 1 Delay Min.Outdoor T. (HP047) = 8 minutes 2 Delay Max.Outdoor T (HP048) = 30 minutes T (°C) 3 Min.Outdoor T.backup (HP049) = -10 °C 4 Max.Outdoor T.backup (HP050) = 15 °C In this example of a time delay to starting the backup when Delay StartBackup CH HP030 is set to 0, with the factory-set parameters, if the...

  • Page 105: Operation Of The Switch Between Heating And Production Of Domestic Hot Water

    9 Parameters If DHW management (DP051) is set to Comfort (HP+Boiler) the domestic hot water production mode gives priority to comfort by accelerating domestic hot water production by simultaneously using the heat pump and the backup boiler or the electric heating element. In this mode, there is no maximum time for domestic hot water production as the use of the backups helps to ensure domestic hot water comfort more quickly.

  • Page 106: Operation Of The Heating Curve

    9 Parameters Phase Description of the phase Operating description Heating only When the Hysteresis DHW (DP120) differential is reached, domestic hot water production is triggered. If there is not enough domestic hot water (e.g. if the domestic hot water does not heat up quickly enough): reduce the trip differential (hysteresis) by modifying the value of the Hysteresis DHW (DP120) parameter.
  • Page 107 9 Parameters Tab.86 Parameters Description of the parameters Maximum Flow The flow setpoint temperature for the circuit CM070 is limited by the maximum flow temperature Temperature setpoint zone setpoint for the circuit CP000. CP000 When using a room thermostat, the setpoint retained is the lowest temperature between the flow setpoint temperature for the circuit CM070 and the maximum flow temperature setpoint for the circuit CP000.

  • Page 108: 10 Connection And Installation Examples

    10 Connection and installation examples Fig.98 Heating curve with curve base CM070 °C CP210 CM210 °C With setting of the curve base temperature (CP210 / CP220) to 30 °C: an outdoor temperature CM210 of 0 °C will give a flow setpoint temperature for the circuit CM070 of 45 °C.

  • Page 109: Connecting And Configuring The Heat Pump

    10 Connection and installation examples 10.1.2 Connecting and configuring the heat pump Fig.100 230V 50Hz 19° 230V 230V 50Hz 50Hz MW-1002202-1 1 Outdoor temperature sensor 3 Thermostat 2 Wiring kit for direct underfloor heating 8 Outdoor unit bus connection 1. Connect the accessories and options to the EHC–09 PCB, observing the 230-400 V and 0-40 V cable feed-throughs.

  • Page 110: Installation With One Immersion Heater And Two Circuits

    10 Connection and installation examples 10.2 Installation with one immersion heater and two circuits 10.2.1 Hydraulic diagram Fig.101 230V 50Hz 230V 230V 50Hz 50Hz MW-1002203-1 1 Second circuit mixing valve kit 5 Second circuit control system PCB kit 2 eMO Life connected thermostat 6 Outdoor unit 3 Refrigerant connection ALYA FS-A...

  • Page 111: Connecting And Configuring The Heat Pump

    10 Connection and installation examples 10.2.2 Connecting and configuring the heat pump Fig.102 230V 50Hz 19° 230V 230V 50Hz 50Hz Laux Naux SCB-04 MW-1002204-1 1 Outdoor temperature sensor 7 Radiator circuit thermostat 2 Safety thermostat for underfloor heating flow 8 Outdoor unit bus connection 3 Underfloor heating circuit thermostat 9 230 V power supply connection from the PCB 4 Flow sensor for the second circuit kit...
  • Page 112 10 Connection and installation examples 4. Configure the radiator circuit parameters (Zone1). Parameter Description Adjustment required Zone Function Functionality of the zone Direct (factory setting) CP020 This setting does not enable cooling. Heat curve Zone Heating Curve Value of the heating 1.5 (for a radiator circuit) CP230 curve gradient.

  • Page 113: Installation With 2 Circuits And A Buffer Tank Used As A Low-Loss Header

    10 Connection and installation examples 10.3 Installation with 2 circuits and a buffer tank used as a low-loss header 10.3.1 Hydraulic diagram Fig.103 CIRC A CIRC B Ö & Ö & Ö & Ö & 230V 50Hz 230V 230V 50Hz 50Hz MW-1002205-1 1 Outdoor unit...

  • Page 114: Connecting And Configuring The Heat Pump

    10 Connection and installation examples 10.3.2 Connecting and configuring the heat pump Fig.104 CIRC A CIRC B Ö & Ö & Ö & Ö & 230V 50Hz 230V 230V 50Hz 50Hz Laux Naux SCB-04 MW-1002206-1 1 Outdoor temperature sensor 8 Circuit B mixing valve 2 Smart TC°...
  • Page 115 10 Connection and installation examples 3. On initial start-up, or after a reset of the factory parameters, set the CN1 and CN2 parameters according to the output of the outdoor unit. 4. Follow the access path described below. Access path >...

  • Page 116: Installation With A Swimming Pool

    10 Connection and installation examples 13. Set the parameters linked to the low-loss header: Parameter Description Adjustment required Buffer tank Enable the hydraulic HP086 management of the buffer tank Buffer tank Hyst. Temperature hysteresis to start Factory setting: HP087 or stop heating the buffer tank 3 °C Boiler Pump function Configuration of the boiler pump...

  • Page 117: 11 Operation

    11 Operation 2. Configure the parameters for zone 2. Parameter Description Adjustment required Zone Function Functionality of the zone Swimming pool CP020 Zone TSwimmPool setp Setpoint of swimming pool when Zone is configured on Swimming Pool 26 °C CP540 Important Backup operation follows the same logic as heating mode.

  • Page 118: Personalising The Zones

    11 Operation Fig.107 1. Press the button. 2. Select System settings. 3. Select Display settings. 4. Modify the value of the Child lock parameter: Child lock activated Child lock deactivated MW-6000946-01 11.3 Personalising the zones 11.3.1 Definition of the term "zone" Fig.108 Zone: term given to the different hydraulic circuits.

  • Page 119: Personalising The Activities

    11 Operation 11.4 Personalising the activities 11.4.1 Definition of the term "Activity" Activity: this term is used when programming time ranges. It refers to the client's desired comfort level for different activities during the course of the day. One set point temperature is associated to each activity. The last activity of the day remains valid until the first activity of the following day.

  • Page 120: Room Temperature In A Zone

    11 Operation Fig.114 1. On the home screen, select the icon for the relevant zone. 2. Press the button. MW-6000950-2 Fig.115 3. Select one of the following menus: Set heating temperatures to change the temperature for the activities used for programming the heating mode Set cooling temperatures to change the temperature for the activities used for programming the cooling mode 4.

  • Page 121: Setting A Constant Room Temperature

    11 Operation Fig.116 1. On the home screen, select the icon for the relevant zone. 2. Press the button. MW-6000950-2 Fig.117 3. Select Operating mode. MW-1001915-1 Fig.118 4. Select the desired operating mode. MW-1001934-1 11.5.2 Setting a constant room temperature Manual mode is used to set a constant temperature in a selected zone.

  • Page 122: Activating And Configuring A Timer Programme For Heating

    11 Operation Fig.121 4. Select Temporary temperature change. 5. Set the desired temperature for the zone. 6. Select Confirm to confirm the temperature. MW-1002360-1 11.5.3 Activating and configuring a timer programme for heating A timer programme can be used to vary the room temperature in a living zone depending on activities during the day.

  • Page 123: Activating And Configuring A Timer Programme For Cooling

    11 Operation 7. Carry out the following actions according to your needs: Tab.91 Action Procedure Modify the timer settings for programmed activi­ Select a programmed activity. ties. Press the button. Change the start time and/or the associated activity. Select Confirm to save the modification. Add a new time range.

  • Page 124: Changing The Room Temperature Temporarily

    11 Operation Fig.126 3. Select Time program cooling. The programmed activities for Monday are displayed. The last activity of the day remains active until the first activity of the following day. MW-1001917-1 Fig.127 4. Select the day to be modified. 5.

  • Page 125: Domestic Hot Water Temperature

    11 Operation Fig.128 1. On the home screen, select the icon for the relevant zone. 2. Press the button. MW-6000950-2 Fig.129 3. Select Operating mode. MW-1001915-1 Fig.130 4. Select Temporary temperature change. 5. Indicate the temperature required throughout the override period. 6.

  • Page 126: Activating And Configuring A Timer Programme For Domestic Hot Water

    11 Operation Fig.132 3. Select Operating mode. 4. Select the desired operating mode: MW-6000958-1 Tab.93 Operating mode Description Programming The domestic hot water is produced according to the defined timer programme. The domestic hot water temperature remains at the comfort temperature perma­ Manual nently The production of domestic hot water is forced to the comfort temperature until the...
  • Page 127 11 Operation Fig.135 4. To activate another timer programme, select DHW timeprog select. MW-6001009-1 Fig.136 5. To change the timer programming, select the programme you wish to change. The programmed activities for Monday are displayed. The last activity of the day remains active until the first activity of the following day.

  • Page 128: Forcing Domestic Hot Water Production (Override)

    11 Operation 11.6.3 Forcing domestic hot water production (override) Regardless of the selected operating mode, you can force domestic hot water production to the comfort temperature (DHW comfort setpoint parameter) until the required time. Fig.138 1. On the home screen, select the icon for the relevant zone. 2.

  • Page 129: Managing The Heating, Cooling And Domestic Hot Water Production

    11 Operation Fig.141 1. On the home screen, select the icon for the relevant zone. 2. Press the button. MW-6000957-1 Fig.142 3. Select DHW temperature setting. 4. Change the required set point temperature: DHW comfort setpoint DHW reduced setpoint MW-6000974-1 11.7 Managing the heating, cooling and domestic hot water production 11.7.1...

  • Page 130: Forcing Cooling

    11 Operation 11.7.2 Forcing cooling In the Programming operating mode, the Cooling timer programme is activated automatically when the average outdoor temperature has been greater than 22 °C. If you wish, you can force Cooling mode on regardless of the outdoor temperature. Fig.145 1.

  • Page 131: Shutting Off Domestic Hot Water Production

    11 Operation 11.7.4 Shutting off domestic hot water production If you wish, you can shut off the domestic hot water production whilst continuing to use the heating and cooling functions. Fig.149 1. From the home screen, press the button. MW-6000976-1 Fig.150 2.
  • Page 132 11 Operation Fig.152 1. On the home screen, select the suitcase icon to access the Holiday menu. MW-6000986-1 Fig.153 2. Enter the start and end dates and times for the absence period. 3. Select Confirm to confirm the setting. MW-6000988-1 Activating Holiday mode for a zone If you will not be using a zone within your home for several weeks, you can reduce the room or domestic hot water temperature in this zone to...

  • Page 133: Frost Protection

    11 Operation Fig.156 4. Select Holiday. MW-1001927-1 Fig.157 5. Enter the start and end dates and times for the absence period. 6. Indicate the temperature required throughout the absence period. Important For a domestic hot water zone, the setpoint temperature during an absence period is set automatically to the DHW reduced setpoint parameter.

  • Page 134: Starting And Stopping The Heat Pump

    11 Operation Fig.159 3. Select Energy counter. The energy consumed since the last energy consumption meter reset is displayed: MW-6000994-1 Tab.96 Parameter Description CH energy consumed Energy consumed for central heating DHW energy consumed Energy consumed for domestic hot water Cool energy consumed Energy consumed for cooling CH energy delivered...

  • Page 135: Shutting Down The Heat Pump

    12 Maintenance 11.9.2 Shutting down the heat pump The heat pump must be shut down in certain situations, for example during any intervention on the equipment. In other situations, such as an extended absence period, we recommend that the System holiday mode operating mode is used in order to benefit from the heat pump anti- blocking function and to protect the installation from frost.

  • Page 136: Information For Service Personnel

    12 Maintenance 12.2 Information for service personnel Tab.97 Subject Details Safety checks Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimised. Work procedure Work shall be undertaken under a controlled procedure so as to minimise the risk of a flammable gas or vapour being present while the work is being performed.

  • Page 137: Draining The Heating Circuit

    12 Maintenance Tab.99 Tightness tests Check Leak-tightness of the heating circuit Leak-tightness of the domestic hot water circuit Leak-tightness of the refrigerant circuit (use a sniffer leak detector) Tab.100 Inspecting the safety devices Check Operations to be carried out Heating circuit safety valve Actuate the safety valve to check that it is operating correctly.

  • Page 138: Draining The Domestic Hot Water Circuit

    12 Maintenance 12.5 Draining the domestic hot water circuit 1. Close the system's water inlet valve. Fig.161 2. Connect a suitable hose fitted with a 3/4” female connection to the drain valve on the domestic hot water circuit. 3. Open the drain valve on the domestic hot water circuit. 4.

  • Page 139: Full Cleaning Of The Magnetic Sieve Filters

    12 Maintenance Fig.164 4. Gradually open the tap, and let the water drain out until the sludge is removed or until it is fully drained: the water should run clean and clear. Close the tap again. If necessary, open and close the valve several times to create surges, and clean the filter better.

  • Page 140: Impressed Current Anode Aci

    12 Maintenance Important Use a new lip gasket and retainer ring. Fig.167 1. Drain the domestic hot water tank. Danger The domestic hot water tank is pressurised. 2. Remove the screw on the expansion vessel. 3. Raise the expansion vessel into the maintenance position to access the inspection hatch.

  • Page 141: Check The Hydraulic Pressure

    12 Maintenance Important The appliance's user interface must remain switched on to ensure that the impressed current anode can operate. Failure to comply with this instruction may cause damage to the DHW cylinder tank and void the warranty. 12.9 Check the hydraulic pressure If the hydraulic pressure of your heating system installation is too low or too high, malfunctions and faults may appear.

  • Page 142: 13 Troubleshooting

    13 Troubleshooting Fig.171 4. Remove the battery located on the rear panel of the user interface by pushing it gently. 5. Insert a new battery. Important Battery type: CR2032, 3 V Do not use rechargeable batteries Do not discard used batteries with the household waste; instead, they should be taken to an appropriate collection site.

  • Page 143: Blocking Codes

    13 Troubleshooting 13.1.3 Blocking codes A blocking code signals an anomaly affecting the heating system. Several possibilities: The system automatically attempts to correct the error (for example in the event of a fault related to the flow rate). The error is still present and the system functions in defect mode (for example, in the event of a fault affecting the outdoor unit, then the backup electric heater or the backup boiler is started up).
  • Page 144 13 Troubleshooting Code Message Description H00.34 TOutside Missing Outside temperature sensor was expected but not detected Wired sensor: Check the wiring between the central unit PCB and the sensor. Check that the sensor has been fitted properly. Check the Ohmic value of the sensor. Replace the sensor if necessary.
  • Page 145 13 Troubleshooting Code Message Description H02.02 Wait Config Number Waiting For Configuration Number Waiting for configuration parameters to be entered: Configure CN1 / CN2 depending on the output of the outdoor unit installed (CNF menu). Central unit PCB replaced: heat pump not configured. H02.03 Conf Error Configuration Error...
  • Page 146 13 Troubleshooting Code Message Description H02.36 Funct device lost Functional device has been disconnected No communication between the central unit PCB and the additional circuit PCB: Check the connection of the supply cable between the PCBs. Check the connection of the BUS cable between the PCBs. Run automatic detection.
  • Page 147 13 Troubleshooting Code Message Description H06.27 Frost protection The heat pump frost protection is activated H06.28 Comm IDU - ODU Communication error between the indoor unit and outdoor unit Error code shown on the digital display of the outdoor unit: H0 The main PCB B and the main control PCB of the hydraulic module are not connec­...
  • Page 148 13 Troubleshooting Code Message Description H06.36 Fan motor Outdoor unit fan motor is anomalous. Error code shown on the digital display of the outdoor unit: H6, HE or HH A strong wind is blowing against the fan, making it turn in the opposite direction. Re­ orient the unit or shelter it to prevent the wind from blowing against the fan.

  • Page 149: Lockout Codes

    13 Troubleshooting Code Message Description H06.62 HP discharge temp Heat pump compressor discharge temperature sensor error Error code shown on the digital display of the outdoor unit: P4 See possible causes and action list for code H06.24. The temperature sensor TWout is loose. Reconnect it. The temperature sensor T1 is loose.

  • Page 150: Displaying And Clearing The Error Memory

    13 Troubleshooting Code Message Description E02.13 Blocking Input Blocking Input of the Control Unit from device external environment Input BL open. Check the wiring Check the component connected to the BL contact Check the component connected to the AP001 and AP100 contact E02.24 System flow locking System water flow locking active...

  • Page 151: Resetting The Safety Thermostat

    14 Decommissioning and disposal 1. Press the button. 2. Select the Version information icon. 3. Select the component for which you would like to see the version information. Tab.106 Component Description EHC–09 Information on the main EHC–09 PCB for the heat pump MK2.2 Information on the user interface SCB-04...

  • Page 152: Recovery Of Refrigerants

    14 Decommissioning and disposal 5. Close the water mains. 6. Drain the installation. 7. Dismantle all hydraulic connections. 8. Dismantle the heat pump. 9. Scrap or recycle the heat pump in accordance with applicable local and national regulations. 14.3 Recovery of refrigerants Caution It is recommended to wear protective gloves and goggles before carrying out any work on the refrigerant circuit.

  • Page 153: 15 Product Fiche And Package Fiche

    15 Product fiche and package fiche refrigerant). Cylinders shall be complete with pressure-relief valve and associated shut-off valves in good working order. Empty recovery cylinders are evacuated and, if possible, cooled before recovery occurs. The recovery equipment shall be in good working order with a set of instructions concerning the equipment that is at hand and shall be suitable for the recovery of all appropriate refrigerants including, when applicable, flammable refrigerants.
  • Page 154 15 Product fiche and package fiche AWHP2R 4 AWHP2R 6 AWHP2R 8 Water heating energy efficiency, under colder - warmer climate 0.00 – 0.00 0.00 – 0.00 0.00 – 0.00 conditions Sound power level L outdoors (1) If applicable. (2) Electricity Tab.108 Product fiche for heat pump combination heaters AWHP2R 10 AWHP2R 12...

  • Page 155: Product Fiche - Temperature Controller

    15 Product fiche and package fiche AWHP2R 16 MR AWHP2R 16 TR Water heating energy efficiency under average climate conditions 108.00 108.00 Sound power level L indoors Ability to off-peak hours functioning Rated heat output, under colder - warmer climate conditions 12 –...
  • Page 156 15 Product fiche and package fiche Fig.174 Package fiche for medium-temperature heat pumps indicating the space heating energy efficiency of the package Seasonal space heating energy effi ciency of heat pump ‘I’ Temperature control Class I = 1%, Class II = 2%, Class III = 1.5%, Class IV = 2%, Class V = 3%, Class VI = 4%, from fi...
  • Page 157 15 Product fiche and package fiche Tab.111 Weighting of medium temperature heat pumps II, package without hot water storage tank II, package with hot water storage tank Prated / (Prated + Psup) (1)(2) 1.00 1.00 0.70 0.63 0.45 0.30 0.25 0.15 0.15 0.06...

  • Page 158: Package Fiche - Combination Heaters (Boilers Or Heat Pumps)

    15 Product fiche and package fiche 15.4 Package fiche - Combination heaters (boilers or heat pumps) Fig.175 Package fiche for combination heaters (boilers or heat pumps) indicating the water heating energy efficiency of the package Water heating energy effi ciency of combination heater ‘I’...

  • Page 159: 16 Appendix

    16 Appendix 16 Appendix 16.1 Maintenance information for 12-16 kW applications For 12-16 kW applications, the installer must complete these tables and hand them to the user. The user must keep this information safe for future reference. Tab.113 Emergency information INSTALLER name and contact information INSTALLER SERVICING name and contact information FIRE DEPARTMENT contact information...

  • Page 160: Refrigerant Installation Pre-Commissioning Checklist For 12-16 Kw Applications

    Manufacturer Type/Serial number Volume (L) or nominal Maximum admissible Category (according to dimension (ND) pressure (bar) Directive 2014/68/EU) Pressurised equipment Baxi SpA ALYA FS-A: ⊠ II BDR Thermea France AWHP2R: ⊠ II S.A.S Connection pipes for indoor/outdoor unit Art. 4.3 Tab.116 Inspection of the conformity of the installation (according to Directive 2014/68/EU)

  • Page 161: Name And Symbol Of The Zones

    16 Appendix Tab.117 Tightness tests Checklist Inspected Conformity Observations Checking and registration of □ Yes □ Yes the leak test on the refrigerant □ No □ No system □ Not applicable □ Not applicable Checking and registration of □ Yes □...
  • Page 162 16 Appendix ALYA FS-A 7802479 - v05 - 31082023...
  • Page 163 Original instructions - © Copyright All technical and technological information contained in these technical instructions, as well as any drawings and technical descriptions supplied, remain our property and shall not be multiplied without our prior consent in writing. Subject to alterations.
  • Page 164 36061 BASSANO DEL GRAPPA (VI) - ITALY Via Trozzetti, 20 Servizio clienti: Tel +39 0424 517800 - Fax +39 0424 38089 www.baxi.it 7802479 - v05 - 31082023 7802479-001-05...

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