Page 1 2105_EN_1 11/10/2019 Outdoor unit WOYG160LJL WOYK150LJL WOYK170LJL Hydraulic unit WSYG160DJ6 WSYK170DJ9 WGYG160DJ6 WGYK170DJ9 MAINTENANCE DOCUMENT Air to Water Heat Pump Split single service and integrated DHW type For professionals. To be kept by the user for future reference...
Page 2: Table Of Contents
This appliance must be installed by qualiﬁ ed personnel holding a certiﬁ cate of competence in the handling of refrigerants. Contents Control and test Control of Electric Backups ....4 Sensor and Input Test Mode .
Page 3 Setting for Defrost determination control Setting for Defrost determination control ..95 Servicing Hydraulic checks ......96 Descaling .
Page 4: Control And Test
Control and test ► Control of Electric Backups H 33 EX 1 EX 2 EX 3 Outdoor External fault Load-shedding (EJP) Oﬀ -peak/peak hours Unit Fault (369) (370) 230 V 230 V 230 V 230 V EJP lock signal "Released" "Locked"...
Page 5: Fault
Fault ► Fault List ▼ Hydraulic Unit Fault Faults which occur on the Hydraulic Unit are shown by the symbol. Press the info key for details on the cause of the fault. The following information is displayed : • Description of the error. •...
Page 6 LED display Outdoor unit Error contents Error number LED 2 (green) LED 1 (red) 1 Flash 1 Flash Communication error between Hydraulic unit and Outdoor unit 2 Flashs 3 Flashs Connection forbidden (series error) 3 Flashs 1 Flash Indoor unit power supply abnormal 3 Flashs 2 Flashs Serial communication error between Controller /Interface PCBs...
Page 7 Faults external to the heat pump Any safety device (e.g. thermostat pressure switch) wired to input EX3 (E20) allows external problems to be reported and the heat pump to be immediately stopped. For example, a safety thermostat on the heating ﬂ oor can be wired to input EX3 (E20) to avoid excessively high temperatures in the ﬂ...
Page 8: Outdoor Unit Fault
▼ Outdoor Unit Fault When the system is switched back on after a power outage, the Hydraulic Unit may display fault 370 for a few tens of seconds. This is not a serious problem. It simply means that the outdoor unit is running its tests.
Page 9 LED display Error contents 1 Flash Serial forward transfer error. 2 Flashes Discharge thermistor error. 3 Flashes Pressure switch error. 4 Flashes Heat-exchange thermistor (outlet) error. 6 Flashes Expansion valve thermistor error. 7 Flashes Outdoor temperature thermistor error. 8 Flashes Compressor thermistor error.
Page 10: Outdoor Unit Clearing
► Outdoor Unit Clearing This section describes the techniques which can be used to identify the failure. ▼ Failures with Error Code Clear 1: Serial reverse transfer error Hydraulic Unit LED: Green 1 ﬂ ash / Red 1 ﬂ ash Outdoor Unit LED: Oﬀ...
Page 11 Clear 2: Serial forward transfer error Hydraulic Unit LED: Green 1 ﬂ ash / Red 1 ﬂ ash Outdoor Unit LED: 1 ﬂ ash Probable causes: • Misconnection. • External cause. • Interface PCB failure. Check: 1-1. Stop the system and start it again (disconnection time 1min): Is the error still displayed? 1-2.
Page 12 Clear 4: Heat pump capacity signal error Hydraulic Unit LED: Green 4 ﬂ ashes / Red 1 ﬂ ash Outdoor Unit LED: 22 ﬂ ashes Probable causes: • Misconnection. • Sensor failure. • Interface PCB failure. Check: 1. Check connection interface PCB and Heat pump regulator PCB: See if the connector has been disconnected.
Page 13 Clear 5: Hydraulic Unit Heat exchanger thermistor error Hydraulic Unit LED: Green 4 ﬂ ashes / Red 2 ﬂ ashes Outdoor Unit LED: 22 ﬂ ashes Probable causes: • Misconnection. • Sensor failure. • Interface PCB failure. Check: 1. Check the sensor connection: See if the connector has been removed See if the connection is correct Check for any damage on the sensor cable.
Page 14 Clear 7: Discharge thermistor error Hydraulic Unit LED: Green 7 ﬂ ashes / Red 1 ﬂ ash Outdoor Unit LED: 2 ﬂ ashes Probable causes: • Misconnection. • Sensor failure. • Main PCB failure. Check: 1. Check the sensor connection: See if the connector has been disconnected.
Page 15 Clear 8: Heat-exchange thermistor (outlet) error : Hydraulic Unit LED: Green 7 ﬂ ashes / Red 3 ﬂ ashes Outdoor Unit LED: 4 ﬂ ashes Probable causes: • Misconnection. • Sensor fault. • Main PCB failure. Check: 1. Check the sensor connection: See if the connector has been disconnected.
Page 16 Clear 9: Outdoor temperature thermistor error Hydraulic Unit LED: Green 7 ﬂ ashes / Red 4 ﬂ ashes Outdoor Unit LED: 7 ﬂ ashes Probable causes: • Misconnection. • Sensor failure. • Main PCB failure. Check: 1. Check the sensor connection : See if the connector has been disconnected.
Page 17 Clear 10: Heat Sink Thermistor error Hydraulic Unit LED: Green 7 ﬂ ashes / Red 7 ﬂ ashes Outdoor Unit LED: 9 ﬂ ashes Probable causes: • Misconnection. • Sensor failure. • Main PCB failure. Check: 1. Check the sensor connection : See if the connector has been disconnected.
Page 18 Clear 11: Compressor thermistor error Hydraulic Unit LED: Green 7 ﬂ ashes / Red 2 ﬂ ashes Outdoor Unit LED: 8 ﬂ ashes Probable causes: • Misconnection. • Sensor failure. • Main PCB failure. Check: 1. Check the sensor connection: See if the connector has been removed See if the connection is correct Check for any damage on the sensor cable.
Page 19 Clear 12: Heat-exchange thermistor (intermediate) error Hydraulic Unit LED: Green 7 ﬂ ashes / Red 3 ﬂ ashes Outdoor Unit LED: 5 ﬂ ashes Probable causes: • Misconnection. • Sensor failure. • Main PCB failure. Check: 1. Check the sensor connection: See if the connector has been disconnected.
Page 20 Clear 14: Expansion valve thermistor error Hydraulic Unit LED: Green 7 ﬂ ashes / Red 8 ﬂ ashes Outdoor Unit LED: 6 ﬂ ashes Probable causes: • Misconnection. • Sensor failure. • Main PCB failure. Check: 1. Check the sensor connection: See if the connector has been removed See if the connection is correct Check for any damage on the sensor cable.
Page 21 Clear 15: Current trip (permanent stoppage) Hydraulic Unit LED: Green 9 ﬂ ashes / Red 4 ﬂ ashes Outdoor Unit LED: 13 ﬂ ashes Probable causes: • Connection failure. • Outdoor Heat Exchanger clogged. • Outdoor Fan operation failure. • Compressor failure. •...
Page 22 Clear 17: Compressor startup error (permanent stoppage) Hydraulic Unit LED: Green 9 ﬂ ashes / Red 5 ﬂ ashes Outdoor Unit LED: 15 ﬂ ashes Probable causes: • Misconnection of the various electrical components. • Main PCB failure. • Compressor failure. Check: - Check if the terminal connection is loose.
Page 23 Clear 18: Fan motor error (permanent stoppage) Hydraulic Unit LED: Green 9 ﬂ ashes / Red 7 ﬂ ashes Outdoor Unit LED: 16 ﬂ ashes (fan 1), 17 ﬂ ashes (fan 2) Probable causes: • Fan motor failure. • Motor protection. •...
Page 24 Clear 20: Inverter error Hydraulic Unit LED: Green 6 ﬂ ashes / Red 3 ﬂ ashes Outdoor Unit LED: 18 ﬂ ashes Probable causes: • Connection failure. • Main PCB failure. Check: 1. Check connections in control unit: - Check if the terminal connection is loose. - Check if connector is removed.
Page 25 Clear 21: Active ﬁ lter error (only for single phase type) Hydraulic Unit LED: Green 6 ﬂ ashes / Red 4 ﬂ ashes Outdoor Unit LED: 19 ﬂ ashes Probable causes: • Connection failure. • Active ﬁ lter module failure. •...
Page 26 Clear 22: Discharge temperature protection (permanent stoppage) Hydraulic Unit LED: Green 10 ﬂ ashes / Red 1 ﬂ ashes Outdoor Unit LED: 11 ﬂ ashes Probable causes: • Valve is close. • EEV failure. • Gas leak, less. • Discharge Thermistor failure. •...
Page 27 Clear 24: Pressure sensor error Hydraulic Unit LED: Green 8 ﬂ ashes / Red 6 ﬂ ashes Outdoor Unit LED: 3 ﬂ ashes Probable causes: • Connector connection failure. • Pressure Sensor failure. • Main PCB failure. Check: 1. Check connection of the Pressure Sensor: - Check if the terminal connection is loose.
Page 28 Clear 25: Compressor temperature protection (permanent stoppage) Hydraulic Unit LED: Green 10 ﬂ ashes / Red 3 ﬂ ashes Outdoor Unit LED: 12 ﬂ ashes Probable causes: • Valve is close. • EEV failure. • Gas leak, less. • Compressor Thermistor failure. •...
Page 29 Clear 26: Low pressure abnormal Hydraulic Unit LED: Green 10 ﬂ ashes / Red 5 ﬂ ashes Outdoor Unit LED: 20 ﬂ ashes Probable causes: • Connector connection failure. • Pressure Sensor failure. • Main PCB failure. • Gas leak, less. Check: 1.
Page 30 Clear 27: P.F.C. error (only for 3-phase type) Hydraulic Unit LED: Green 6 ﬂ ashes / Red 4 ﬂ ashes Outdoor Unit LED: 19 ﬂ ashes Probable causes: • Connector connection failure. • Main PCB failure. • PFC PCB failure. Check: 1.
Page 31 Clear 33: Detection of compressor position error (permanent stoppage) Hydraulic Unit LED: Green 9 ﬂ ashes / Red 5 ﬂ ashes Outdoor Unit LED: 14 ﬂ ashes Probable causes: • Misconnection. • Main PCB failure. Check: - Check if the terminal connection is loose. - Check if connector is removed.
Page 32 Clear 34: Serial communication error between Controller /Interface PCB. Hydraulic Unit LED: Green 3 ﬂ ash / Red 2 ﬂ ash Outdoor Unit LED: No ﬂ ashes Probable causes: • Misconnection. • External cause. • Main PCB failure • Interface PCB failure Check: 1-1.
Page 33: Failures With No Error Code
▼ Failures With No Error Code Clear 35: No voltage on Hydraulic Unit Probable causes: • Power supply fault. • External causes. • Faulty electrical components. Check: 1. Check the installation : - Is the circuit breaker cut off? - Check the wiring. 2.
Page 34 Clear 36: No voltage on outdoor unit Probable causes: • Power supply fault. • External cause. • Faulty electrical components. Check: 1. Check the installation - Is the circuit breaker cut off? - Check the wiring. 2. Check for external causes on the Hydraulic Unit and outdoor unit (noise or voltage drop) : Check for any other electrical device on the same electric circuit which might cause a drop in voltage.
Page 35 Clear 38: No heat Probable causes: • Hydraulic Unit error. • Outdoor unit error. • Inﬂ uence from the outdoor environment. • Misconnections of connectors and cables. • Refrigeration system fault (not enough gas, clogging, dirty ﬁ lters). Check: 1. The unit provides heating or cooling 2.
Page 36 Clear 39: Abnormal noise Probable causes: • Abnormal installation (outdoor) • Fan failure • Compressor failure. Check: 1. The noise comes from the outdoor unit: - Is the unit stable? - Is the protection screen properly mounted? - Is the propeller broken or distorted? - Has the propeller screw been lost? - Is any object blocking the propeller rotation? - Check for any vibration noise caused by a...
Page 37: Sensor Values
► Sensor Values ▼ Outdoor Unit Temperature Sensors Outdoor Heat Exchanger (outlet) Temperature (°C) Resistance value (kΩ) 27.5 20.9 16.1 12.4 9.73 7.67 3.95 Outdoor Discharge Pipe / Compressor / Expansion valve inlet Temperature (°C) Resistance value (kΩ) 101 79.1 62.6 40.0 26.3 17.8 12.3 Temperature (°C) Resistance value (kΩ) Outdoor Temperature...
Page 38: Service Parts Information
► Service parts information ▼ Service parts information 1 : Compressor Diagnosis method of compressor (if outdoor unit LED displays error, refer to Failures and clears) Does not start up Stops soon after starting up Abnormal noise Check if vibration noise by Is there open or loose Is there open or loose loose bolt or contact noise of...
Page 39: Service Parts Information 3 : Outdoor Unit Electronic Expansion Valve (Eev, Eev (Inj))
Check point 2 : check winding resistance Check winding resistance on each terminal If the resistance value is 0 or infinite, replace compressor. Resistance value : 0.24 (at 20°C) for single phase type 0.79 (at 20°C) for 3-phase type Check point 3 : replace Main PCB If check point 1 and 2 do not improve the symptom, replace Main PCB.
Page 40 Check point 5 : Check opening and closing operation of valve When valve is closed, it has a temp. (Add period) If it is open, it has no temp. (Add period) difference difference between inlet and outlet. between inlet and outlet. OPEN CLOSE Example : Hot gas...
Page 41: Service Parts Information 4 : Outdoor Unit Solenoid Valve (Sv)
▼ Service parts information 4 : Outdoor unit solenoid valve (SV) Check point 1 : Check connections Check point 2 : Check solenoid coil Check connection of connector Remove connector and check if coil is open (Loose connector or open cable) (normal resistance value of each coil : 1495+/- If resistance value is abnormal, replace solenoid coil.
Page 42: Operating Limits
► Operating Limits Single phase 3-phase Heat Pump TRI 15 TRI 17 Min/max OT in heat mode*** °C -25 / +35 Heating ﬂ oor maximum water temperature °C LT radiator maximum water temperature °C Min/max OT in cooling mode °C 8/46 Cooling ﬂ...
Page 43: Failures
Failures ► Hydraulic, Electric and Refrigeration Systems ▼ Hydraulic System If the installation is ﬁ tted with a heating ﬂ oor, the most common failures are those listed below: Failure cases Consequences Solutions Applied by Flow pressure too high Clean ﬁ lter or desludge Installer 1- Clogged ﬁ...
Page 44: Electrical System
▼ Electrical System Outdoor Unit Overvoltage Steps to be followed before performing any work on Check for possible causes in the list below (this list is the Inverter module: not exhaustive): • First switch oﬀ the system using the circuit breaker at •...
Page 45: Refrigeration System
▼ Refrigeration System Unit produces no heat The unit remains in continuous scanning mode. Initial checks Check the settings. Are the data sent by the user interface received by the heat pump ? Hydraulic unit Hydraulic unit electronic system faulty electronic circuit sending data to outdoor unit ?
Page 46 Outdoor unit does not defrost • Is the charge correct Is condensation drain properly discharged (refer to the temperature/pressure curve) ? (outdoor unit directly on the ground) ? - Insuﬃ cient charging will result in frequent icing. • Are the auxiliaries powered ? - Overcharging will result in frequently switching •...
Page 47: Compressor Operating Checks
Defrost ending conditions With all models, defrosting stops if the exchanger temperature is above 16 °C (100L model : 13 °C) or if the defrosting time is over 15 minutes) Crankcase heater When the outdoor exchanger temperature is below -5 °C and the heating mode has been stopped for 30 minutes, the compressor windings are powered and maintain the compressor temperature.
Page 48: Control Settings
Control Settings ► General ▼ Setting parameters - Selecting the desired level. The settings described below are those which can be modiﬁ ed by the user. - Scroll the list of menus. We wish to remind you that changing the settings below - Selecting the desired menu.
Page 49: Function Table
► Function Table Setting range Setting Basic Line Function or display increment setting Time of day and date Hours / Minutes 00:00... 23:59 Day / Month 01.01... 31.12 Year 1900... 2099 Start of Summer time (Day / Month) 01.01... 31.12 25.03 End of Summer time (Day / Month) 01.01...
Page 50 Setting range Setting Basic Line Function or display increment setting Time program heating / cooling, circuit 2 Only with the 2nd circuit kit option. Pre-selection (Day / Week) Mon-Sun, Mon-Fri, Sat-Sun, Mon-Sun Monday, Tuesday, … 1st phase On (start) 00:00... --:-- 10 min 6:00 1st phase Oﬀ...
Page 51 Setting range Setting Basic Line Function or display increment setting Heating adjustment, circuit 1 Comfort setpoint Reduced setpoint… 0.5 °C 20 °C Comfort setpoint maximum Reduced setpoint Frost protection setpoint… 0.5 °C 19 °C Comfort setpoint Frost protection setpoint 4 °C… Reduced setpoint 0.5 °C 8 °C Comfort setpoint maximum...
Page 52 Setting range Setting Basic Line Function or display increment setting Floor curing function Oﬀ - Oﬀ : Early interruption of the current programme, programme inactive. - Operational heating. - Heating ready for occupation. - Operational heating + ready heating. - Ready heating + operational heating. - Manual: Manual mode enables you to programme your own concrete slab drying time.The function ends automatically after 25 days.
Page 53 Setting range Setting Basic Line Function or display increment setting Room inﬂ uence 1... 100 % 80 % If the installation is ﬁ tted with a room thermostat: This function enables you to choose the ambient temperature's inﬂ uence on the setting. If no value is entered, the setting is made based on the temperature control.
Page 54 Setting range Setting Basic Line Function or display increment setting 1150 Floor curing function Oﬀ - Oﬀ : Early interruption of the current programme, programme inactive. - Operational heating. - Heating ready for occupation. - Operational heating + ready heating. - Ready heating + operational heating.
Page 55 Setting range Setting Basic Line Function or display increment setting Domestic hot water 1600 Operating mode Oﬀ , On, Eco 1610 Nominal setpoint Reduced setpoint (line 1612)… 55 °C 65 °C The backup electrical system is required to reach this level. 1612 Reduced setting 8 °C...
Page 56 Setting range Setting Basic Line Function or display increment setting Heat pump (HP) 2803 Overrun time cond pump 8... 240 s 240s 2843 Compressor oﬀ time min 0... 120 min 1 min 8 min 2844 Switch-oﬀ temp max 8... 100 °C 1 °C 75 °C 2862...
Page 57 Setting range Setting Basic Line Function or display increment setting 3156 --> 3158 : Not used 3159 Energy brought in heating 6 (N - 6) 3160 Energy brought in DHW 6 3161 Energy brought in cooling 6 3163 --> 3165 : Not used 3166 Energy brought in heating 7 (N - 7) 3167...
Page 58 Setting range Setting Basic Line Function or display increment setting Additional generator (Boiler connection) 3692 With DHW charging Locked, Substitute, Substitute Complement, Instantly - DHW Instantly : When DHW request, the HP and the boiler are put into operation. The HP will stop when the primary return temperature is over 55 °C.
Page 59 Setting range Setting Basic Line Function or display increment setting 5813 Output el imm heater K26 0.1-...99 Without electrical backup = 0 ; Single phase electrical backup 3 kW = 0 ; Single phase electrical backup 6 kW (Factory setting) = 3 ; 3-phase electrical backup = 0 5950 Function input H1 (Connector X86, terminals B1 &...
Page 60 Setting range Setting Basic Line Function or display increment setting 6201 Reset sensors No, Yes 6205 Reset to default parameters No, Yes 6220 Software version (RVS) 0... 99 6300 Info 1 OEM 0... 65535 6301 Info 2 OEM 0... 65535 LPB system 6600 Device address...
Page 61 Setting range Setting Basic Line Function or display increment setting Inputs / outputs test 7700 Relay test No test This consists of instructing the regulator's relays one by one and checking their outputs. This enables you to check that the relays are working and that the cabling is correct. Check that each appliance in the installation is operating correctly. 0: No test, 1: Everything is on STOP, 2: Relay output QX1 : heat pump CC1 (if 1 circuit ) or heat pump CC2 (if 2 circuits), 3: Relay output QX2 : Electrical back-up (1st stage) or Boiler connection distribution valve, 4: Relay output QX3 : Electrical back-up (2nd stage) or Boiler connection contact,...
Page 62 Setting range Setting Basic Line Function or display increment setting Generator diagnosis 8400 Compressor 1 Oﬀ , On Oﬀ 8402 Electrical resistance ﬂ ow 1 Oﬀ , On Oﬀ 8403 Electrical resistance ﬂ ow 2 Oﬀ , On Oﬀ 8406 Condenser pump Oﬀ...
Page 63 Setting range Setting Basic Line Function or display increment setting 8756 Cooling ﬂ ow temperature 1 0... 140 °C Cooling ﬂ ow temperature setpoint 1 8820 DHW pump Oﬀ , On Oﬀ 8821 El imm heater DHW Oﬀ , On Oﬀ...
Page 65: Adjustment Function Details
► Adjustment Function Details ▼ Date and Time Functions ▼ User Interface Functions The controller has an annual clock which contains the Line Nr Programming line time, the day of the week and the date. Language In order for the function to operate, the time and date Info must be set properly on the clock.
Page 66: Time Program Functions (Heating Circuit 1 & 2, Dhw, Cooling)
Heating Circuit Assignment Line Nr Programming line Software version Software version The indication shows the current version of the user interface. ▼ Time Program Functions (heating circuit 1 & 2, DHW, cooling) Several control programs are available for the heating circuits and the production of DHW. They are initiated in "Automatic"...
Page 67: Heating Circuit 1 & 2 Functions
▼ Heating Circuit 1 & 2 Functions Operating Mode For heating circuits there are several functions available which can be individually adjusted for each heating circuit. The programming lines for the 2nd heating circuit are displayed only if an extension module has been connected to the controller.
Page 68 Heating Curve Line Nr Programming line 1020 Heating curve slope 1021 Heating curve displacement 1026 Heating curve adaption Heating curve slope Heating curve displacement The curve shift (oﬀ set) modiﬁ es the ﬂ ow temperature Based on the heating characteristic, the controller computes the ﬂ...
Page 69 Eco Functions Line Nr Programming line 1030 Summer/winter heating limit 1032 24-hour heating limit The summer/winter heating limit 24-hour heating limit The summer/winter heating limit switchwes the heating on The 24-hour heating limit is used to switch the heating or oﬀ through the year according to the temperature ratio. on and of in the course of the day, depending on the Changeover is performed automatically when in automatic outside temperature.This function is used mainly during...
Page 70 Room Inﬂ uence Quick setback Line Nr Programming line Line Nr Programming line 1050 Room inﬂ uence 1080 Quick setback Control types During quick setback, the heating circuit pump When using a room temperature sensor there are is deactivated and, in the case of mixing circuits, 3 diﬀ...
Page 71 Optimisation at switch-on and switch-oﬀ Mixing Valve Control Line Nr Programming line Line Nr Programming line 1090 Optimum start control max 1130 Mixer valve boost 1091 Optimum stop control max 1134 Actuator running time Optimum start control max Mixer valve boost The change in temperature levels is optimised in such a The controller adds the increase set here to the current way as to reach the comfort setpoint during changeover...
Page 72 Controlled ﬂ oor drying function Line Nr Programming line 1150 Floor curing function 1151 Floor curing setpoint manually 1156 Floor curing day current 1157 Floor curing day completed This function is used in the controlled drying of ﬂ oors. It adjusts the ﬂ ow temperature to a temperature proﬁ le. Drying is performed by ﬂ...
Page 73 Operating Mode Changeover Line Nr Programming line Optg mode changeover 1200 (None / Frost protection mode / Reduced / Comfort / Automatic) In case of an external changeover via input H2 (on the extension module only) the operating mode to which the changeover will be performed must be previously deﬁ...
Page 74: Cooling Circuit 1 Function
▼ Cooling Circuit 1 Function The cooling sequence is automatically started when the Release room temperature is higher than the comfort setpoint in cooling mode (line 902). The cooling function must be Line Nr Programming line activated (command line 901 = Auto) and is triggered by Release (24h/day / heating circuit time pgm the programming clock (Command line 907).
Page 75 Summer compensation setpoint increase Line Nr Programming line This setting deﬁ nes the highest value to which the Cooling limit at OT comfort setpoint can be increased. Lock time after end of heating Cooling limit at OT If the composite outdoor temperature is higher than the cooling limit, cooling is released.
Page 76 Room Inﬂ uence Room Temperature Limitation Line Nr Programming line Line Nr Programming line Room inﬂ uence Room temperature limitation When using a room temperature sensor there are The "room temperature limitation" function enables 3 diﬀ erent types of control to choose from. shutting oﬀ...
Page 77 Mixing Valve Control Line Nr Programming line Mixing valve cooling oﬀ set Actuator running time Mixing valve in heating mode Mixing valve cooling oﬀ set The cooling demand issued by cooling circuit 1 to production is reduced by the adjusted value. If there is a second zone, this reduction should enable the second zone to be cooled.
Page 78: Dhw Functions (With Dhw Kit Or With Integrated Dhw Models)
▼ DHW Functions (with DHW kit or with integrated DHW models) The control sets the DHW temperature, according to the Release time program or continuously, to the desired setpoint. The priority of DHW charging over room heating is Line Nr Programming line adjustable in this case.
Page 79: Swimming Pool Functions
Holiday Release Time pgm status Low tariﬀ status DHW mode DHW mode level status (settings 1620) (Pgm 4) (Ex2) Oﬀ Frost protection Frost protection … … … Low tariﬀ (OPK) Inactive Reduced Low tariﬀ (OPK) Active Nominal Time pgm 4 or OPK Nominal Inactive Nominal...
Page 80: Heat Pump Functions
▼ Heat Pump Functions Release integr electric ﬂ ow Line Nr Programming line After the release of the 1st stage (heater 1:on, heater 2:oﬀ ), 2803 Overrun time cond pump the controller compares the temperature measured 2843 Compressor oﬀ time min with the point of engagement and forms an integral 2844 Switch-oﬀ...
Page 81 • Calculation of integral If a ﬂ ow temperature sensor (BX1) is connected and the heating curve is set to the ﬂ ow temperature setpoint, the controller uses the ﬂ ow temperature and the ﬂ ow temperature setpoint for computing the integrals In the following situations, the integral is set to "0": - No valid temperature request delivered.
Page 82: Supplementary Source
▼ Supplementary source A supplementary producer can be operated in addition Flow control to the main producer (heat pump). Line Nr Programming line Release of the supplementary producer depends on a number of parameters a detailed description of which is 3720 Switching integral given on the following pages.
Page 83: Dhw Tank Functions (With Dhw Kit Or With Integrated Dhw Models)
▼ DHW Tank Functions (with DHW kit or with integrated DHW models) DHW charging at the nominal setpoint temperature Recooling (1610) always takes place in two stages. In the ﬁ rst stage, only the heating pump heats the DHW tank. Line Nr Programming line The power supplied during this time is at its peak.
Page 84: Confi Guration Functions
▼ Conﬁ guration Functions When an installation is started up, the hydraulic diagram Line Nr Programming line presetting for that installation must be entered. 5731 DHW ctrl elem Q3 Presettings • No charging request No DHW charging via Q3. Line Nr Programming line •...
Page 85 Sensor Corrections Line Nr Programming line 6098 Not used 6100 Readjustm outside sensor The outdoor temperature measuring value can be corrected within a range of +/- 3 K. Installation Frost Protection Line Nr Programming line 6120 Frost protection plant According to the outdoor temperature, the heating circuit pump and the condenser pump are switched on although there is no demand for heat.
Page 86: Error Functions
▼ Error Functions When a fault occurs, the symbol appears and it is Heat pump operation possible to display an error message in the Info section Shows whether or not the heat pump can continue to by pressing the Info key. operate when the error occurs.
Page 87 Table of error messages which can be displayed No. Designation of error Location Reset HP oper. Manual Automatic 0: No fault 10: Outdoor sensor BX4 (X84) 30: Flow sensor 1 BX1 (X80) 31: Cooling ﬂ ow sensor 1 BX1 (X80) 32: Flow sensor 2 BX31 (X153) 33: Heat pump ﬂ...
Page 88: Maintenance / Special Operating Mode Functions
▼ Maintenance / Special Operating Mode Functions Maintenance Emergency mode Maintenance functions can be used as a preventive If the heat pump is not operating properly, a emergency step periodically monitoring installation. service can be maintained. The emergency mode All maintenance functions can be individually activated enables the installation to be run with the available / deactivated.
Page 89: Input / Output Testing Functions
▼ Input / Output Testing Functions Input/output testing is used to ensure that the connected components are in working order. Relay Output Testing Selection of a setting from relay testing closes the corresponding relay and therefore switches on the connected component.
Page 90: Status Functions
▼ Status Functions State DHW (8003) End user (Info level) Startup, heating engineer The current operating status of the installation can be Thermostat response Thermostat response viewed by means of status displays. Manual action active Manual action active Draw-oﬀ mode Draw-oﬀ...
Page 91 State cooling circuit (8004) State swimming pool (8011) End user (Info level) Startup, heating engineer End user (Info level) Startup, heating engineer Dewpoint sensor Manual action active Manual action active Dewpoint sensor activated activated Fault Fault Manual action active Manual action active Heating mode restriction Heating mode restriction Fault...
Page 92: Generator Diagnosis Functions
▼ Generator Diagnosis Functions ▼ Consumer Diagnosis Functions Various setpoints and actual values, relay switch status Various setpoints and actual values, relay switch status data can be displayed for purposes of diagnosis. and timing status data can be displayed for purposes of diagnosis.
Page 93 Domestic Hot Water (with DHW kit or with Status of Relays for Extension Modules 1 and 2 integrated DHW models) Line Nr Programming line Line Nr Programming line 9050 Relay output QX21 module 1 8820 DHW pump 9051 Relay output QX22 module 1 8821 Electric immersion heater DHW 9052...
Page 94 Setting for Defrost determination control Never touch electrical components such as the terminal blocks except the button on the display board. It may cause a serious accident such as electric shock. Discharge any static electricity from your body before touching the push buttons. Never touch any terminal or pattern of any parts on the control board.
Page 95: Setting For Defrost Determination Control
► Setting for Defrost determination control 1. Switch to “Local setting mode” by pressing [MODE] button (SW107) for 3 seconds or more. 2. Conﬁ rm (POWER / MODE) blinks 9 times, and press [ENTER] button (SW109). PUMP POWER LOW NOISE PEAK CUT DOWN ERROR...
Page 96: Servicing
Servicing Before any maintenance operation, ensure that the general power supply is switched oﬀ . ► Hydraulic checks If frequent reﬁ lls are required it is absolutely essential that you check for any leaks. If reﬁ lling and a pressure reset are necessary, check what type of ﬂ...
Page 97: Maintenance
Maintenance ► Emptying the hydraulic unit Return from - Remove the facade from the hydraulic unit. the heating circuit - Place the distribution valve in the middle position. Valve motor - Open the emptying valve (ref. 5). Valve - Open the hydraulic unit’s manual bleed-tap (ref. 6). - Open the installation bleed tap.
Page 98: Disassembly Process Of Outdoor Unit
Disassembly Process of Outdoor Unit Before servicing the unit, turn the power supply switch OFF, then, do not touch electric parts for 10 minutes due to the risk of electric shock. ► Single phase type ▼ Appearance ▼ Service panel removal Hooks (4 places) Screws (serrated)
Page 99: Main Pcb Removal
▼ Main PCB removal Spacers Caution Be careful about position of FAN motor connector when you exchange Main PCB or FAN motor by the repair. For Upper Fan motor CN104 DC FAN.1 For Lower Fan motor CN122 DC FAN. 2 *Painted CN. Earth screw Spacers Remove the communication cable connected to the terminal.
Page 100: Inverter Pcb And Filter Pcb Removal
▼ Inverter PCB and Filter PCB removal Screws Screws Remove the 6 mounting screws. FITER PCB INVERTER PCB Open the CONTROL BOX (MAIN). - 100 - Waterstage / Maintenance Manual / 2105 - EN...
Page 101 Filter PCB removal Spacers Volts (For Filter-INV. PCB Wire) Filter-Inverter PCB Connector Volts (For Terminal Wire) Earth screw Spacers Remove the connectors and Earth screws Remove the volts Earth screw (4 places) Note the tightening torque at the installation. • Tightening torque is as follows. •...
Page 102 Inverter PCB removal Screws ( Filter PCB - Inverter PCB Wire Screws (FRD) Screws (IGBT) Screws (DB) Screws (IPM) CT Connector Pressure Switch Connector Communication Connector Total 8 speacers Screws (For Comp. Wire) Remove the 10 mounting screws Remove the 4 connectors (Power supply, CT, (IPM 2, IGBT 4, DB 2, FRD 2) Communication and Pressure switch) Remove the spacers (8 places)
Page 103: Pressure Sensor, Solenoid Coil Removal
▼ Pressure sensor, solenoid coil removal Pressure Sensor (High Pressure) Pressure Switch Pressure Sensor (Low Pressure) Solenoid Coil (4-way valve) - 103 - Waterstage / Maintenance Manual / 2105 - EN...
Page 104 Pressure sensor removal Remove the PRESSURE SENSOR with wrench. Note the tightening torque at the installation. • Tightening torque is 15 1.5N m. Wear gloves to prevent the frostbite, because a small amount of refrigerant leaks during work. - 104 - Waterstage / Maintenance Manual / 2105 - EN...
Page 105 Solenoid coil (4-way valve) removal Remove the mounting screw with wrench or short screwdriver. Remove the SOLENOID COIL - 105 - Waterstage / Maintenance Manual / 2105 - EN...
Page 106: Eev Coil Removal
▼ EEV coil removal Turn the EEV COIL Remove the EEV coil by hand. Be careful so as not to bend the pipe. ▼ Thermistor removal Cut the binders.(2 places) Remove the Remove the THERMISTOR. THERMISTOR SPRING. Careful not to disconnect the thermistor wire with a strong pull.
Page 107: Fan Motor Removal
▼ Fan motor removal Screws Screws Remove the nut. And remove the PROPELLER FAN Remove the 5 mounting screws. Note at the installation. Remove the FAN GUARD Insert propeller Fan and Moter shaft reference D cutting position. by sliding upward. And the tightening torque at the installation.
Page 108: Top Panel Removal
▼ Top panel removal Screws (with washer) Remove the mounting screws. Screws (with washer) Screw (serrated) Remove the TOP PANEL. - 108 - Waterstage / Maintenance Manual / 2105 - EN...
Page 109: Reactor Removal
▼ Reactor removal Screws Remove the wire and mounting screw. Remove the REACTOR. - 109 - Waterstage / Maintenance Manual / 2105 - EN...
Page 110: Pipe Cover Front Removal
▼ Pipe cover front removal screw screw (serrated) (with washer) Hooks Remove the mounting screws. Remove the PIPE COVER FRONT. ▼ Right panel removal Screws Remove the mounting screws. Remove the RIGHT PANEL by sliding upward. Screws - 110 - Waterstage / Maintenance Manual / 2105 - EN...
Page 111: Compressor Removal
▼ Compressor removal Precautions for exchange of Compressor. Do not allow moisture or debris to get inside refrigerant pipes during work. Procedure for compressor removal. (1) Turn oﬀ power. (2) Remove the SERVICE PANEL and PIPE COVER FRONT. (3) Fully open the 3WAY VALVE(Gas) and 3WAY VALVE(Liquid). (4) Open the EEVs of Outdoor units and Indoor units by vaccuming mode.
Page 112 Remove the TERMINAL COVER. TERMINAL COVER Remove the COMPRESSOR WIRES. COMPRESSOR WIRES - 112 - Waterstage / Maintenance Manual / 2105 - EN...
Page 113 COMPRESSOR COVER B COMPRESSOR COVER C COMPRESSOR COVER A Remove the COMPRESSOR COVERS. - 113 - Waterstage / Maintenance Manual / 2105 - EN...
Page 114 Thermistor (Discharge) Thermistor (Comp.temp.) Thermistor (Comp.temp.) Thermistor (Discharge) Remove the Thermistor Cut the binders. (2 place) Remove the Thermistor clip and (Comp.temp) Thermistor(Discharge). - 114 - Waterstage / Maintenance Manual / 2105 - EN...
Page 115 Remove the COMP BOLTs. (4 places) Discharge side Suction side Range Range Cut the Discharge pipe in this range. Cut the Suction pipe in this range. Remove the Compressor. Cut the injection pipe. Caution Keep their shape better. There is a possibility of catching fire to oil when removing by the welding without cutting it. Procedure for compressor installation.
Page 116: Precautions For Exchange Of Refrigerant-Cycle-Parts
▼ Precautions for exchange of refrigerant-cycle-parts (1) During exchange the following parts shall be protected by wet rag and not make the allowable temperature or more. (2) Remove the heat insulation when there is the heat insulation near the welding place. Move and cool it when its detaching is diﬃ...
Page 118: Phase Type
► 3 phase type ▼ Appearance ▼ Service panel removal Hooks (4 places) Screws (serrated) Remove the SERVICE PANEL Remove the mounting screws. by sliding downward. Caution Makre sure that the wires are not pinched when you close the SERVICE PANEL. - 118 - Waterstage / Maintenance Manual / 2105 - EN...
Page 119: Main Pcb Removal
▼ Main PCB removal Spacers Caution Be careful about position of FAN motor connector when you exchange Main PCB or FAN motor by the repair. For Upper Fan motor CN104 DC FAN.1 For Lower Fan motor CN122 DC FAN. 2 *Painted CN. Earth screw Spacers Remove the communication cable connected to the terminal.
Page 120: Inverter Pcb And Filter Pcb Removal
▼ Inverter PCB and Filter PCB removal Screws Screws Remove the 6 mounting screws. FITER PCB INVERTER PCB Open the CONTROL BOX (MAIN). - 120 - Waterstage / Maintenance Manual / 2105 - EN...
Page 121 Filter PCB removal Earth screw Remove the earth screws. Note the tightening torque at the installation. Tightening torque is 2.5 + 0.2 N.m. (except for the earth screw) Connector (For Filter PCB-Inv. PCB Wire) Spacers Remove the connector (Filter PCB - Inverter PCB wire). Remove the spacers (6 places).
Page 122 Inverter PCB removal Screws (For Reactor Wire) Total 7 speacers 3 Connectors of a power supply wire Communication Connector Screws (For Comp. Wire) CT Connector Pressure Switch Connector Remove the 4 mounting screws For screws of IPM and DB. Note the tightening torque at the installation. •...
Page 123: Pressure Sensor, Solenoid Coil Removal
▼ Pressure sensor, solenoid coil removal Pressure Sensor (High Pressure) Pressure Switch Pressure Sensor (Low Pressure) Solenoid Coil (4-way valve) - 123 - Waterstage / Maintenance Manual / 2105 - EN...
Page 124 Pressure sensor removal Remove the PRESSURE SENSOR with wrench. Note the tightening torque at the installation. • Tightening torque is 15 1.5N m. Wear gloves to prevent the frostbite, because a small amount of refrigerant leaks during work. - 124 - Waterstage / Maintenance Manual / 2105 - EN...
Page 125 Solenoid coil (4-way valve) removal Remove the mounting screw with wrench or short screwdriver. Remove the SOLENOID COIL - 125 - Waterstage / Maintenance Manual / 2105 - EN...
Page 126: Eev Coil Removal
▼ EEV coil removal Turn the EEV COIL Remove the EEV coil by hand. Be careful so as not to bend the pipe. ▼ Thermistor removal Cut the binders.(2 places) Remove the Remove the THERMISTOR. THERMISTOR SPRING. Careful not to disconnect the thermistor wire with a strong pull.
Page 127: Fan Motor Removal
▼ Fan motor removal Screws Screws Remove the nut. And remove the PROPELLER FAN Remove the 5 mounting screws. Note at the installation. Remove the FAN GUARD Insert propeller Fan and Moter shaft reference D cutting position. by sliding upward. And the tightening torque at the installation.
Page 128: Top Panel Removal
▼ Top panel removal Screws (with washer) Remove the mounting screws. Screws (with washer) Screw (serrated) Remove the TOP PANEL. - 128 - Waterstage / Maintenance Manual / 2105 - EN...
Page 129: Reactor Removal
▼ Reactor removal Screws Screws Remove the wire and mounting screw. Remove the REACTOR. - 129 - Waterstage / Maintenance Manual / 2105 - EN...
Page 130: Pipe Cover Front Removal
▼ Pipe cover front removal screw screw (serrated) (with washer) Hooks Remove the mounting screws. Remove the PIPE COVER FRONT. ▼ Right panel removal Screws Remove the mounting screws. Remove the RIGHT PANEL by sliding upward. Screws - 130 - Waterstage / Maintenance Manual / 2105 - EN...
Page 131: Compressor Removal
▼ Compressor removal Precautions for exchange of Compressor. Do not allow moisture or debris to get inside refrigerant pipes during work. Procedure for compressor removal. (1) Turn oﬀ power. (2) Remove the SERVICE PANEL and PIPE COVER FRONT. (3) Fully open the 3WAY VALVE(Gas) and 3WAY VALVE(Liquid). (4) Open the EEVs of Outdoor units and Indoor units by vaccuming mode.
Page 132 Remove the TERMINAL COVER. TERMINAL COVER Remove the COMPRESSOR WIRES. COMPRESSOR WIRES - 132 - Waterstage / Maintenance Manual / 2105 - EN...
Page 133 COMPRESSOR COVER B COMPRESSOR COVER C COMPRESSOR COVER A Remove the COMPRESSOR COVERS. - 133 - Waterstage / Maintenance Manual / 2105 - EN...
Page 134 Thermistor (Discharge) Thermistor (Comp.temp.) Thermistor (Comp.temp.) Thermistor (Discharge) Remove the Thermistor Cut the binders. (2 place) Remove the Thermistor clip and (Comp.temp) Thermistor(Discharge). - 134 - Waterstage / Maintenance Manual / 2105 - EN...
Page 135 Remove the COMP BOLTs. (4 places) Discharge side Suction side Range Range Cut the Discharge pipe in this range. Cut the Suction pipe in this range. Remove the Compressor. Cut the injection pipe. Caution Keep their shape better. There is a possibility of catching fire to oil when removing by the welding without cutting it. Procedure for compressor installation.
Page 136: Precautions For Exchange Of Refrigerant-Cycle-Parts
▼ Precautions for exchange of refrigerant-cycle-parts (1) During exchange the following parts shall be protected by wet rag and not make the allowable temperature or more. (2) Remove the heat insulation when there is the heat insulation near the welding place. Move and cool it when its detaching is diﬃ...
Page 140 Date of installation : Fujitsu General (Euro) GmbH Fritz-Vomfelde-Strasse 26-32 40547 Düsseldorf - Germany Contact of your heating technician or your after-sales service.

This manual is also suitable for:

Waterstage woyk150ljl Waterstage woyk170ljl Waterstage wsyg160dj6 Waterstage wsyk170dj9 Waterstage wgyg160dj6 Waterstage wgyk170dj9

Fujitsu WATERSTAGE WOYG160LJL Maintenance Document

Control and Test

Fault

Failures

Control Settings

 Setting for Defrost Determination Control

Servicing

Maintenance

Disassembly Process of Outdoor Unit

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