Viessmann Vitocal 222-S Installation And Service Instructions For Contractors
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Viessmann Vitocal 222-S Installation And Service Instructions For Contractors

Compact heat pump, split version
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VIESMANN
Installation and service instructions
for contractors
Vitocal 222-S
Type AWBT(-M)/AWBT(-M)-E/AWBT(-M)-E-AC 221.C04 to C16
Compact heat pump, split version
For applicability, see the last page
VITOCAL 222-S
Please keep safe.
5117 700 GB
7/2017

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  • Page 1 VIESMANN Installation and service instructions for contractors Vitocal 222-S Type AWBT(-M)/AWBT(-M)-E/AWBT(-M)-E-AC 221.C04 to C16 Compact heat pump, split version For applicability, see the last page VITOCAL 222-S Please keep safe. 5117 700 GB 7/2017...
  • Page 2 Prior to removing covers from the appliances, Replace faulty components only with genuine wait at least 4 minutes until the voltage has Viessmann spare parts. completely dropped out. Safeguard the system against reconnection. ■ Wear suitable personal protective equipment when ■...
  • Page 3 Installing non-authorised components and making non-approved modifications or con- versions can compromise safety and may inva- lidate our warranty. For replacements, use only original spare parts supplied or approved by Viessmann.
  • Page 4 Index Index 1. Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................2. Preparing for installation Requirements for on-site connections ........... Indoor unit ................... ■ Outdoor unit ..................10 ■ 3. Installation sequence Installing the outdoor unit ............... 12 Installation information ................
  • Page 5 Ω ■ Indoor unit: Viessmann NTC 20 k (orange marking) ......91 Ω ■ Indoor unit: Viessmann Pt500A (green marking) ........ 92 ■ Outdoor unit: Viessmann NTC 10 k (no marking) ......93 Ω ■ Checking the fuses ................93 6.
  • Page 6 Please dispose of packaging waste in line with statu- tory regulations. DE: Use the disposal system organised by Viessmann. AT: Use the ARA statutory disposal system (Altstoff Recycling Austria AG, licence number 5766). CH: Packaging waste is disposed of by the HVAC contractor.
  • Page 7 For heating circuits with mixer, a heating water buffer cylinder is necessary in the secondary circuit flow. All The Vitocal 222-S is a split compact heat pump, com- heating circuits are connected in parallel to this heating prising 1 indoor unit with integral DHW cylinder and water buffer cylinder.
  • Page 8 Information Product information (cont.) Permissible system configurations System configura- Heating/cooling circuits tion Without mixer With mixer With mixer Separate cooling A1/HC1 M2/HC2 M3/HC3 circuit Without heating wa- — — ter buffer cylinder With heating water — — buffer cylinder — —...
  • Page 9 Preparing for installation Requirements for on-site connections Indoor unit A BC D E C D E Fig. 1 Heating water return G 1 (female thread) Liquid line: Pipe 10 mm, thread UNF ¼ ⅝ Cold water G (female thread) Hot gas line: Pipe 16 mm, thread UNF ¾...
  • Page 10 Preparing for installation Requirements for on-site connections (cont.) Outdoor unit Outdoor unit, types 221.C04 to C08 1109 Fig. 2 Cable entry for Modbus connecting cable, indoor/ Liquid line 222.C04 to C06: UNF ⁷⁄₁₆ (reducer x ⁷⁄₁₆ in the outdoor unit ■...
  • Page 11 Preparing for installation Requirements for on-site connections (cont.) Outdoor units, types 221.C10 to C16 1109 Fig. 3 Cable entry for indoor/outdoor unit Modbus con- Liquid line UNF ⅝ necting cable Hot gas line UNF ⅞ Power cable entry...
  • Page 12 Installation sequence Installing the outdoor unit Installation information Types of installation: Condensate: Floorstanding installation with line entry above Ensure that the condensate drains off freely. ■ ■ ground level Create a permanent gravel bed under the outdoor ■ Floorstanding installation with line entry below unit as a soakaway.
  • Page 13 Installation sequence Installing the outdoor unit (cont.) Weight of outdoor units Vitocal 222-S Type Weight in kg 230 V appliances AWBT-M 221.C04 ■ AWBT-M-E-AC ■ 221.C06 221.C08 221.C10 221.C13 221.C16 400 V appliances AWBT 221.C10 ■ AWBT-E-AC ■ 221.C13 221.C16...
  • Page 14 Installation sequence Installing the outdoor unit (cont.) Outdoor unit minimum clearances Types 221.C04 to C08 1000 Fig. 4 Air intake Air discharge ■ Line entry above ground level: 200 mm ≥ Line entry below ground level: ■ 400 mm ≥ Types 221.C10 to C16, 230 V~ and 400 V~ 1000 1000...
  • Page 15 Installation sequence Installing the outdoor unit (cont.) Transport and siting Please note Please note Impacts, compression and tensile loads can If the compressor in the external unit is strongly cause damage to the outside panels of the tilted, lubricant will enter the refrigerant circuit appliance.
  • Page 16 Installation sequence Installing the outdoor unit (cont.) Floorstanding installation with support; line entry above ground level 3000 3000 1100 1100 Fig. 7 Ground Supports for floorstanding installation (accesso- Pathway, patio ries) Pipe bends for vibration compensation in refriger- Foundation strip ant lines Frost protection for foundations (compacted crushed stone, e.g.
  • Page 17 Installation sequence Installing the outdoor unit (cont.) Floorstanding installation with support; line entry Installing an outdoor unit on foundations below ground level 3000 1100 Fig. 8 Fig. 9 Ground Pathway, patio Refrigerant lines Supports for floorstanding installation (accesso- Indoor/outdoor unit bus cable and outdoor unit ries) power cable Gravel bed as condensate soakaway...
  • Page 18 Installation sequence Installing the outdoor unit (cont.) Wall mounting with bracket set Fig. 10 Gravel bed as condensate soakaway Indoor/outdoor unit bus cable and outdoor unit power cable Anti-vibration mounts (standard delivery of bracket) Openings in the base plate for free drainage of Pipe bends for vibration compensation in refriger- condensate ant lines...
  • Page 19 Installation sequence Installing the outdoor unit (cont.) Opening the wiring chamber Opening the outdoor unit wiring chamber: Types Opening the outdoor unit wiring chamber: Types 221.C04 to 221.C08 221.C10 to 221.C16 Fig. 11 Wiring chamber: ■ Bus connection to the indoor unit ■...
  • Page 20 Observe the permissible floor load. Take account of the total weight of the appliance: See chapter "Pressure points". Vitocal 222-S Type Minimum room volume in m 230 V appliances AWBT-M 221.C04 ■...
  • Page 21 Installation sequence Installing the indoor unit (cont.) Minimum clearances Secondary circuit connections to the left Secondary circuit connections at the top Fig. 14 Fig. 16 Secondary circuit connections to the right Fig. 15...
  • Page 22 Installation sequence Installing the indoor unit (cont.) Minimum room height Minimum room height a depends on the hydraulic con- nection set used. Hydraulic connection set Minimum room height a in mm For installation on finished walls, for 2100 ■ upward connection For installation to the left or right on 2000 ■...
  • Page 23 Installation sequence Installing the indoor unit (cont.) Total weight with filled DHW cylinder Vitocal 222-S Type Total weight in kg 230 V appliances AWBT-M 221.C04 ■ AWBT-M-E ■ 221.C06 AWBT-M-E-AC ■ 221.C08 221.C10 221.C13 221.C16 400 V appliances AWBT 221.C10 ■...
  • Page 24 Installation sequence Connecting the refrigerant lines (cont.) Indoor unit below outdoor unit Fig. 20 Example of cooling mode: With oil lift bends Indoor unit Hot gas line (suction gas) Liquid line (LPG) Outdoor unit Oil lift bends Wall outlet The indoor and outdoor units are connected to the refrigerant lines and the connecting cable.
  • Page 25 Installation sequence Connecting the refrigerant lines (cont.) Insulation against noise and vibrations for line entry above ground level Fig. 22 Pipe bends for vibration compensation Line entry, e.g. KG conduit with thermal insulation Pipe clips with EPDM lining Indoor/outdoor unit bus cable and outdoor unit power cable Observe the following during installation: ■...
  • Page 26 Installation sequence Connecting the refrigerant lines (cont.) Connection to the outdoor unit Fig. 23 Liquid line Hot gas line 1. Remove the side cover: See page 19. 3. Flare the pipe ends of the refrigerant lines. 2. Undo the nuts from connections (liquid line) and Braze the solder connection of the Euro flanged (hot gas line) of the refrigerant lines.
  • Page 27 Installation sequence Connecting the refrigerant lines (cont.) Torque for refrigerant lines Type AWBT(-M)/ Line Connection to the Torque in Nm AWBT(-M)-E-AC outdoor unit ⁷⁄₁₆ UNF 221.C04 Liquid line 6 mm 14 to 18 221.C06 Hot gas line 12 mm 50 to 62 ¾...
  • Page 28 Installation sequence Connecting the refrigerant lines (cont.) 2. Flare the pipe ends of the refrigerant lines. 4. Apply thermal and vapour diffusion-proof insulation to the refrigerant lines. Braze the solder connection of the Euro flanged adaptors (accessories) using shielding gas. 3.
  • Page 29 Drinking water filter According to DIN 1988-2, a drinking water filter must be installed in systems with metal pipework. Viessmann also recommends the installation of a drinking water filter when using plastic pipes to DIN 1988 to prevent contaminants entering the DHW...
  • Page 30 Installation sequence Connecting the secondary circuit (cont.) Connecting the secondary side 3. Only for systems with 2 heating circuits and without heating water buffer cylinder: For the heating circuit with mixer, fit the "installation kit with mixer" (accessories) in the heat pump. Separate installation instructions 4.
  • Page 31 Installation sequence Aligning the appliance SW17 Fig. 27 Type AWBT(-M)-E-AC only: Connecting the cooling circuit For area cooling systems (e.g. underfloor heating cir- cuit, chilled ceiling), a contact humidistat (accessories) is required.
  • Page 32 Installation sequence Type AWBT(-M)-E-AC only: Connecting the cooling circuit (cont.) Requirements for the contact humidistat: ■ Electrical connection, subject to the type of contact humidistat: – 230 V~, 0.5 A: Connection to X3.8/3.9 on the luster terminals 24 V – –...
  • Page 33 Installation sequence Electrical connection Preparing the electrical connections Cables Danger For cable lengths and cable cross-sections, see the Incorrect wiring can lead to serious injury from ■ following tables. electrical current and result in appliance dam- ■ For accessories: age. Cables with the required number of cores for exter- Take the following measures to prevent drifting nal connections.
  • Page 34 Installation sequence Electrical connection (cont.) Outdoor units Vitocal 222-S Type Cable Max. cable length 230 V appliances AWBT-M 221.C04 29 m 3 x 2.5 mm ■ AWBT-M-E ■ 221.C06 29 m 3 x 2.5 mm AWBT-M-E-AC ■ 221.C08 29 m 3 x 2.5 mm...
  • Page 35 Installation sequence Electrical connection (cont.) Indoor unit: Routing cables to the wiring chamber < 42 V 230 V/400 V Fig. 29...
  • Page 36 Installation sequence Electrical connection (cont.) Connecting the Vitoconnect (accessories) Fig. 30 Fig. 31...
  • Page 37 Installation sequence Electrical connection (cont.) Fig. 34 Fig. 32 Fig. 35 Fig. 33...
  • Page 38 Installation sequence Electrical connection (cont.) Indoor unit: Overview of connections F16F14 145 F0 193A Fig. 36 Power supply 230 V~: See page 50. Main PCB: See page 39. F1 Fuse 6.3 A (slow) F3 Fuse 6.3 A (slow) Luster terminals: See page 43. If available: X1 Terminals for earth conductors of all associ- Control module and power supply for instantane-...
  • Page 39 Installation sequence Electrical connection (cont.) Indoor unit: Main PCB (230 V~ components) Information regarding the connection values Set the required parameters during commissioning: The specified output is the recommended connected See page 73 onwards. ■ load. ■ Total output of all components connected directly to the heat pump control unit (e.g.
  • Page 40 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 212.3 DHW circulation pump Connection values Output: 50 W ■ Voltage: 230 V~ ■ Max. switching current: 4(2) A ■ 212.4 3-way diverter valve for heating water Connection values buffer cylinder bypass or heat pump Output: 130 W ■...
  • Page 41 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 214.1 External hook-up, heating/cooling cir- 230 V~ digital input: cuits: 230 V~: Central heating demand for heating circuit ■ Central heating demand, heating cir- M2/HC2 active cuit M2/HC2 0 V: No demand ■...
  • Page 42 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 224.4 Control of an instantaneous heating Connection values: water heater, stage 2 Output: 10 W ■ Voltage: 230 V~ ■ Max. switching current: 4(2) A ■ Instantaneous heating water heater Control and power circuit of the instantaneous heating water heater Type AWBT(-M): Accessories Installation instructions, instantaneous heating...
  • Page 43 Installation sequence Electrical connection (cont.) Indoor unit: Luster terminals (signal and safety connections) Set the required parameters during commissioning: See page 73 onwards. Terminals Function Explanation X3.1 Switched phase Via control unit ON/OFF switch Note Observe the total load 1000 W of all connected compo- nents.
  • Page 44 Installation sequence Electrical connection (cont.) Indoor unit: Controller and sensor PCB (LV connections) Set the required parameters during commissioning: See page 73 onwards. Sensors Plug Sensor Type Outside temperature sensor NTC 10 k Ω Buffer temperature sensor NTC 10 k Ω...
  • Page 45 Installation sequence Electrical connection (cont.) Swimming pool heating Note ■ Swimming pool heating is controlled via EA1 exten- sion with KM-BUS. Make connections to EA1 extension only in accord- ■ ance with Fig. 41. A filter circuit pump cannot be controlled via the heat ■...
  • Page 46 Installation sequence Electrical connection (cont.) Outdoor unit: Routing cables to the wiring chamber Modbus 230 V/50 Hz Fig. 42...
  • Page 47 Installation sequence Electrical connection (cont.) Outdoor unit: Overview of electrical connections Types 221.C04 to 221.C08, 230 V~ Types 221.C10 to 221.C16, 230 V~ Fig. 43 EEV PCB (refrigerant circuit controller) Fan fuse 6.3 A (slow) Refrigerant circuit controller fuse 6.3 A (slow) Inverter Mains terminals 230 V/50 Hz: See page 50.
  • Page 48 Installation sequence Electrical connection (cont.) Types 221.C10 to 221.C16, 400 V~ Fig. 45 EEV PCB (refrigerant circuit controller) Fan fuse 6.3 A (slow) Refrigerant circuit controller fuse 6.3 A (slow) Inverter Mains terminals 400 V/50 Hz: See page 50. Modbus terminal for bus cable, outdoor unit —...
  • Page 49 Installation sequence Electrical connection (cont.) Rx/Tx- Rx/Tx+ Modbus 230 V/ 50 Hz Fig. 46 Power supply Isolators for non-earthed conductors Danger ■ Install an isolator in the power cable to provide The absence of system component earthing can omnipolar separation from the mains for all active lead to serious injury from electrical current and conductors, corresponding to overvoltage category component damage in the event of an electrical...
  • Page 50 Installation sequence Power supply (cont.) The assignment of the power-OFF (for compressor Protect the power cable to the heat pump control unit ■ ■ and/or instantaneous heating water heater) is made with an MCB/fuse of max. 16 A. via the type of connection and by setting parameters ■...
  • Page 51 Outdoor unit power supply 230 V~: Type AWBT-M/AWBT-M-E/AWBT-M-E-AC 221.C04 to 221.C16 GND Rx/Tx- Rx/Tx+ Modbus Fig. 48 Outdoor unit wiring chamber: See page 19. Power supply 230 V/50 Hz Max. cable length Vitocal 222-S Type Cable Max. cable length 230 V appliances AWBT-M 221.C04 29 m 3 x 2.5 mm...
  • Page 52 L2 L3 GND Rx/Tx- Rx/Tx+ Modbus L2 L3 Fig. 49 Outdoor unit wiring chamber: See page 19. Power supply 400 V/50 Hz Max. cable length Vitocal 222-S Type Cable Max. cable length 400 V appliances AWBT 221.C10 30 m ■...
  • Page 53 Installation sequence Power supply (cont.) 1/N/PE 230 V/50 Hz Fig. 50 Mains terminals, switching module, instantaneous heating water heater Jumpers Remove both jumpers in the case of a 1/N/PE 230 V/50 Hz power supply. ■ Recommended power cable: 7 x 2.5 mm Max.
  • Page 54 Installation sequence Power supply (cont.) Do not remove jumpers in the case of a 3/N/PE 400 V/50 Hz power supply. ■ Recommended power cable: 5 x 2.5 mm Max. fuse rating 16 A ■ Economy tariff and power-OFF can be applied ■...
  • Page 55 Installation sequence Power supply (cont.) X3.7 X3.6 5 (400 V~) (230 V~) ≈ Fig. 53 Diagram excluding fuses and RCD Heat pump control unit (indoor unit, luster termi- nals: See chapter "Indoor unit: Overview of con- nections") Instantaneous heating water heater (if installed) Heat pump compressor (outdoor unit) Heat pump control unit power supply: See chapter "Heat pump control unit power supply 230 V~"...
  • Page 56 Installation sequence Power supply (cont.) Mains power supply in conjunction with on-site power consumption Without power-OFF E1E2 D /D L1 L1 L2 L2 L3 L3 Fig. 54 Heat pump Bi-directional meter (for PV systems to consume Additional consumers (of power generated on site) power on site): Energy taken from power supply utility and energy in the household...
  • Page 57 Installation sequence Power supply (cont.) [{{] 0-10V Fig. 55 EA1 extension Floating N/O contact 2: The agreement of the Connection to controller and sensor PCB power supply utility may be required Floating N/O contact 1: The agreement of the Power supply 1/N/PE 230 V/50 Hz power supply utility may be required Note ■...
  • Page 58 Installation sequence Closing the heat pump (cont.) Fitting the front panels of the indoor unit Fig. 56 4. Ensure that the locking screws are tightened before operating. Fitting the side cover for the outdoor unit In reverse order to "Opening the outdoor unit wiring chamber": See page 19.

  • Page 59: Table Of Contents

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • • 1. Opening the heat pump..................... 60 • 2. Compiling reports......................60 • 3. Purging the refrigerant lines and indoor unit..............60 •...

  • Page 60: Opening The Heat Pump

    Commissioning, inspection, maintenance Opening the heat pump Danger Please note Contact with live components can lead to seri- Refrigerant can escape when working on the ous injury from electric current. Some compo- refrigerant circuit. nents on PCBs remain live even after the power Work on the refrigerant circuit must only be car- supply has been switched off.

  • Page 61: Evacuating The Refrigerant Lines And Indoor Unit

    Commissioning, inspection, maintenance Evacuating the refrigerant lines and indoor unit Please note Please note Commissioning is weather-dependent. At out- Escaping refrigerant will cause environmental side temperatures below 0 °C, moisture can pollution. condense and sublimate in the refrigerant lines. ■ Before evacuating the refrigerant lines and the If water droplets and/or ice particles enter the internal unit, check all connections for tight-...
  • Page 62 Commissioning, inspection, maintenance Evacuating the refrigerant lines and indoor unit (cont.) Connection hose between pressure gauge set and Valve for vacuum gauge vacuum gauge Vacuum gauge Please note 5. On the pressure gauge set, close the valve to the Overpressure will damage the vacuum gauge. vacuum pump.

  • Page 63: Charging The Refrigerant Lines And Indoor Unit

    Commissioning, inspection, maintenance Charging the refrigerant lines and indoor unit Note 2. Recharge with the required amount of refrigerant: ■ The outdoor unit is pre-charged with refrigerant See following table. R410A. ■ No additional charging is required for line lengths up Please note to 12 m.

  • Page 64: Checking The Refrigerant Circuit For Leaks

    Commissioning, inspection, maintenance Checking the refrigerant circuit for leaks Danger Check the connections for refrigerant leaks: The refrigerant is a non-poisonous gas that dis- ■ All swaged connections of the refrigerant lines places air. Uncontrolled escape of refrigerant in between the internal and the external unit enclosed spaces can result in breathing difficul- ■...
  • Page 65 Commissioning, inspection, maintenance Filling and venting the secondary side (cont.) 03. Fill (flush) and vent the secondary circuit via an on-site connection. Please note To prevent appliance damage, check the secondary circuit flow and return connec- tions to the appliance for leaks. In the case of leaks, switch off the appliance immediately, drain the water and check the seating of the seal rings.

  • Page 66: Filling And Venting The Dhw Cylinder On The Dhw Side

    Commissioning, inspection, maintenance Filling and venting the secondary side (cont.) Note ■ Move the control unit panel into the service position: See page 84. ■ Open the programming unit: See page 83. Filling and venting the DHW cylinder on the DHW side 1.

  • Page 67: Testing The Anode Connection

    Commissioning, inspection, maintenance Testing the anode connection Fig. 60 Protective magnesium anode Earth cable Check that the earth cable is connected to the protec- tive magnesium anode. Measuring the anode earth current with an anode tester A B C Fig. 61 1.

  • Page 68: Testing The Protective Magnesium Anode

    Commissioning, inspection, maintenance Measuring the anode earth current with an anode… (cont.) 2. Connect the tester (measuring range up to 5 mA) in series across tab and earth cable Anode earth Protective magnesium anode current > 0.3 mA Function OK <...

  • Page 69: Draining The Appliance On The Drinking Water Side

    Commissioning, inspection, maintenance Draining the appliance on the drinking water side 1. Connect the hose to the drain valve and route it into a suitable container or drain outlet. Note Ensure adequate ventilation in the DHW pipework. 2. Turn drain valve from lever position to lever position as required.

  • Page 70: Checking The Indoor Unit Electrical Connections For Firm Seating

    Commissioning, inspection, maintenance Cleaning the DHW cylinder (cont.) 1. Remove the protective magnesium anode. 6. Flush the DHW cylinder thoroughly after cleaning. Danger 7. Fit the protective magnesium anode. The uncontrolled escape of DHW can cause scalding and building damage. Please note Only open DHW and heating water connec- A short circuit between the protective mag-...

  • Page 71: Cleaning The Outdoor Unit Heat Exchanger (Evaporator)

    Commissioning, inspection, maintenance Checking that the fan in the outdoor unit can… (cont.) Types 221.C04 to 221.C08 3. Turn the fan by hand. Fig. 64 Types 221.C10 to 221.C16 4. Turn the fan by hand. Fig. 65 Cleaning the outdoor unit heat exchanger (evaporator) Danger Danger If you touch live components or they come into...

  • Page 72: Checking The Thermal Insulation Of Flared Connections

    Commissioning, inspection, maintenance Cleaning the outdoor unit heat exchanger… (cont.) Cleaning with compressed air 3. Check the aluminium fins of the heat exchanger for deformation and scratches. If necessary, repair 1. Open the outdoor unit casing. with a suitable tool. Danger 4.

  • Page 73: Starting The Heat Pump

    Commissioning, inspection, maintenance Starting the heat pump Please note 2. Wait 2 min. Operating the appliance with insufficient refriger- ant results in appliance damage. 3. Switch ON internal unit voltage. ■ Before starting the appliance, the internal unit and the refrigerant lines must be charged with 4.
  • Page 74 Commissioning, inspection, maintenance Commissioning the system (cont.) Language Date/Time Time Date Start commissioning? Coding Parameter group Parameters level 1 select Temperature Sensor values sensors display Signal inputs Signal inputs display Actuator test Actuator test carry out Subscriber check (LON) Subscriber check carry out Function check Function...
  • Page 75 — — — — M3/HC3 — — — — — — — — Sep. cooling circuit SKK — Energy meter — Ventilation unit — X Component is selected. For detailed information on system examples: See Component may be added. www.viessmann-schemen.com.
  • Page 76 Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for circulation pumps and other components Heating circuit pump Parameter Setting "System definition" Ó "System scheme 7000" With heating circuit HC1 without mix- ■ With heating circuit HC2 with mixer ■ With heating circuit HC3 with mixer ■...
  • Page 77 Commissioning, inspection, maintenance Commissioning the system (cont.) Vitocom 100, type GSM2 Parameter Setting "System definition" Ó "Vitocom 100 7017" "1" External extension Parameter Setting "System definition" Ó "External extension 7010" "1" EA1 extension "2" AM1 extension "3" EA1 and AM1 extensions Note For parameters for external functions, see the following table.
  • Page 78 Commissioning, inspection, maintenance Commissioning the system (cont.) External hook-up for heating/cooling circuits Parameter Setting "Heating circuit 1"/"Heating circuit 2"/"Heating circuit 3" Ó "Remote control 2003" "2" "Remote control 3003" "Remote control 4003" Type AWBT(-M)-E-AC: Cooling function parameters Parameter Setting "Cooling" Ó...
  • Page 79 Commissioning, inspection, maintenance Commissioning the system (cont.) Further enabling for Vitovent 200-C if necessary Parameter Setting "Ventilation" Ó "Enable preheater bank electric 7D01" "0" Defrosting without preheating coil ("Strategy, passive frost pro- tection 7D2C") "1" Frost protection with preheating coil; defrosting via bypass "2"...
  • Page 80 Commissioning, inspection, maintenance Commissioning the system (cont.) Adjust values for Vitovent 200-W/300-C/300-W if necessary Parameter Setting "Ventilation" Ó "Set room temperature C108" Max. 4 K higher or lower than "Stand- ard room temperature 2000" (adjust- ≙ ment value: 1 0.1 °C) "Background ventilation C109"...

  • Page 81: Checking The Heat Pump For Noise

    Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for utilisation of power generated on site Parameter Setting "Photovoltaics" Ó "Enable own energy consumption PV 7E00" "1" ≙ "Threshold for electrical power 7E04" "0" to "300" ( 0 to 30 kW) Enable required functions for utilisation of power generated on site Parameter Setting...

  • Page 82: Checking The System Function

    Commissioning, inspection, maintenance Checking the system function Check the function of all system components, e.g. Please note ■ circulation pumps, 3-way diverter valves. If the heat pump is exposed to temperatures ■ Scan temperatures at the heat pump control unit. below 15 °C, e.g.
  • Page 83 Maintenance Overview of electrical components Indoor unit: ■ See page 38 onwards. ■ Outdoor unit: See page 47 onwards. Indoor unit: Opening the programming unit Fig. 69 Removing the cover from the programming unit if necessary Fig. 70...
  • Page 84 Maintenance Indoor unit: Placing the control unit panel in its service position Fig. 71...
  • Page 85 Maintenance Overview of internal components: Indoor unit Secondary circuit flow temperature sensor (F8) 3-way diverter valve "central heating/DHW heat- ing" Safety valve Pressure gauge Flow switch Secondary pump Secondary circuit air vent valve, DHW cylinder Secondary circuit drain and fill valve Drain and fill valve, DHW side Type AWBT(-M)-E/AWBT(-M)-E-AC only: High limit safety cut-out (STB), instantaneous...
  • Page 86 Maintenance Overview of internal components: Outdoor unit Danger Contact with live components can lead to seri- ous injury from electric current. Some compo- nents on PCBs remain live even after the power supply has been switched off. When working on the outdoor unit, isolate the ■...
  • Page 87 Maintenance Overview of internal components: Outdoor unit (cont.) Outdoor unit, types 221.C04 to C08 Fig. 73 Schrader valve, high pressure side Air intake temperature sensor (T5) Compressor Heat exchanger (evaporator) Hot gas temperature sensor (T6) Electronic expansion valve Compressor suction gas temperature sensor (T4) 4-way diverter valve Refrigerant receiver High pressure sensor...
  • Page 88 Maintenance Overview of internal components: Outdoor unit (cont.) Outdoor unit, types 221.C10 to C16 Fig. 74 High pressure sensor Heat exchanger (evaporator) Safety high pressure switch Air intake temperature sensor (T5) Compressor 4-way diverter valve Schrader valve, low pressure side Low pressure sensor Compressor suction gas temperature sensor (T4) Evaporator suction gas temperature sensor (T7)
  • Page 89 Maintenance Overview of internal components: Outdoor unit (cont.) Refrigerant receiver Electronic expansion valve Schrader valve, high pressure side Refrigerant circuit controller temperature sensor (T2) Draining the heat pump on the secondary side 1. Close the on-site boiler drain and fill valve. 2.
  • Page 90 Air intake temperature sensor (T5) ■ Hot gas temperature sensor (T6) ■ Evaporator suction gas temperature sensor (T7) ■ Indoor unit: Viessmann NTC 10 k (blue marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k...
  • Page 91 Maintenance Checking the temperature sensors (cont.) Indoor unit: Viessmann NTC 20 k (orange marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k...
  • Page 92 Maintenance Checking the temperature sensors (cont.) Indoor unit: Viessmann Pt500A (green marking) / °C / °C R / / °C R / / °C R / / °C R / / °C R / ϑ Ω ϑ Ω ϑ Ω...
  • Page 93 Maintenance Checking the temperature sensors (cont.) Outdoor unit: Viessmann NTC 10 k (no marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k...
  • Page 94 Maintenance Checking the fuses (cont.) 1. Switch OFF the power supply. 2. Opening the wiring chamber. 3. Check fuses. Replace if necessary. Danger Incorrect or improperly fitted fuses can lead to an increased risk of fire. ■ Insert fuses without using any force. Posi- tion fuses correctly.
  • Page 95 Indoor unit parts lists Overview of indoor unit assemblies The following details are required when ordering parts: ■ Serial no. (see type plate ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list) Fig.
  • Page 96 Indoor unit parts lists Indoor unit casing 0005 0017 0004 0018 0006 0008 0007 0016 0011 0012 0011 0012 0001 0009 0003 0013 0010 0002 0014 Fig. 77...
  • Page 97 Indoor unit parts lists Indoor unit casing (cont.) Pos. Part 0001 Front panel, top 0002 Front panel, bottom 0003 Side panel, right 0004 Side panel, left 0005 Top panel 0006 Inner top panel 0007 Control unit panel fixing 0008 Pipe clip retaining bracket 0009 Control unit panel, bottom 0010...
  • Page 98 Indoor unit parts lists Indoor unit electrical equipment 0036 0035 0041 0040 0042 0022 0039 0006 0005 0004 0038 0070 0003 0014 0002 0007 0001 0012 0017 0010 0044 0032 0011 0050 0037 0046 Fig. 78...
  • Page 99 Indoor unit parts lists Indoor unit electrical equipment (cont.) Pos. Part 0001 Programming unit 0002 Controller and sensor PCB with cover (CU401) 0003 Base support, controller and sensor PCB 0004 Main PCB with cover (MB761) 0005 Base support, main PCB 0006 Expansion PCB with cover (SA135) 0007...
  • Page 100 Indoor unit parts lists Indoor unit condenser 0002 0003 0005 0006 0007 0002 0003 0004 0005 0006 0008 0009 0010 0001 0011 0010 0008 0009 0004 0012 0009 0010 0008 0004 Fig. 79...
  • Page 101 Indoor unit parts lists Indoor unit condenser (cont.) Pos. Part 0001 Condenser connection assembly 0002 Union nut UNF for liquid line ⅝ 0003 Union nut UNF for hot gas line ⅞ 0004 Union nut G with sealing cap for Schrader valve ¼...
  • Page 102 Indoor unit parts lists Hydraulics, indoor unit Type AWBT(-M) 0015 0020 0017 0002 0017 0020 0009 0010 0020 0008 0016 0017 0018 0018 0020 0020 0023 0021 0023 0001 0026 0016 0005 0004 0021 0023 0023 0027 0018 0023 0008 0018 0018 0024...
  • Page 103 Indoor unit parts lists Hydraulics, indoor unit (cont.) Pos. Part 0001 Hydraulic block 0002 Diaphragm expansion vessel 10 l 0003 High efficiency circulation pump with PWM control 0004 Safety valve 3 bar (0.3 MPa) 0005 Servomotor, 3-way diverter valve 0006 Drain hose safety valve 0007 Pressure gauge...
  • Page 104 Indoor unit parts lists Hydraulics, indoor unit (cont.) Type AWBT(-M)-E/AWBT(-M)-E-AC 0028 0017 0010 0020 0023 0026 0018 0016 0021 0005 0008 0027 0023 0021 0004 0023 0024 0023 0018 0018 0018 0018 0019 0018 0014 0018 0025 0019 0013 0023 0018 0018 0022...
  • Page 105 Indoor unit parts lists Hydraulics, indoor unit (cont.) Pos. Part 0001 Hydraulic block 0003 High efficiency circulation pump with PWM control 0004 Safety valve 3 bar (0.3 MPa) 0005 Servomotor, 3-way diverter valve 0006 Drain hose safety valve 0007 Pressure gauge 0008 Valve insert, 3-way diverter valve 0010...
  • Page 106 Indoor unit parts lists Indoor unit DHW cylinder 0013 0007 0021 0009 0010 0021 0014 0021 0023 0008 0002 0021 0021 0010 0021 0021 0008 0009 0020 0023 0021 0019 0023 0006 0014 0019 0020 0021 0001 0021 0003 0021 0017 0021 0020...
  • Page 107 Indoor unit parts lists Indoor unit DHW cylinder (cont.) Pos. Part 0001 DHW cylinder with internal indirect coil 220 l 0002 DHW line 0003 Cold water line 0004 Pipe bend, DHW cylinder flow 0005 DHW cylinder flow line 0006 DHW cylinder return line 0007 DHW circulation pipe 0008...
  • Page 108 Indoor unit parts lists Miscellaneous 0001 0005 0006 0007 0002 0008 0004 0003 0009 Fig. 83...
  • Page 109 Indoor unit parts lists Miscellaneous (cont.) Pos. Part 0001 Touch-up spray paint, Vitosilver 0002 Touch-up spray paint, white 0003 Touch-up paint stick, Vitosilver 0004 Touch-up paint stick, white 0005 Installation and service instructions 0006 Vitotronic 200, type WO1C operating instructions 0007 Vitotronic 200, type WO1C service instructions 0008...
  • Page 110 Indoor unit parts lists Miscellaneous (cont.)
  • Page 111 Parts list, outdoor unit types 221.C04 to 221.C08, 230 V~ Overview of assemblies, outdoor unit 230 V~ The following details are required when ordering parts: ■ Serial no. (see type plate ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list) Fig.
  • Page 112 Parts list, outdoor unit types 221.C04 to 221.C08, 230 V~ Outdoor unit casing 230 V~ 0006 0033 0001 0034 0032 0031 0007 0018 0014 0013 0022 0003 0024 0008 0009 0026 0012 0011 0010 0019 0015 0020 0021 0025 0002 0004 0005 0024...
  • Page 113 Parts list, outdoor unit types 221.C04 to 221.C08, 230 V~ Outdoor unit casing 230 V~ (cont.) Pos. Part 0001 Cover with gasket 0002 Side panel, right with sound insulation 0003 Side panel, left with sound insulation 0004 Front panel with sound insulation 0005 Fan grille 0006...
  • Page 114 Parts list, outdoor unit types 221.C04 to 221.C08, 230 V~ Refrigerant circuit, outdoor unit types 221.C04 to 221.C08, 230 V~ 0015 0030 0017 0011 0015 0018 0019 0020 0028 0012 0027 0010 0016 0017 0018 0019 0020 0054 0060 0013 0016 0014 0061...
  • Page 115 Parts list, outdoor unit types 221.C04 to 221.C08, 230 V~ Refrigerant circuit, outdoor unit types 221.C04… (cont.) Pos. Part 0001 Compressor 0002 Refrigerant receiver 0003 Refrigerant receiver base fixing 0004 Oil separator 0005 4-way diverter valve 0006 Compressor base plate 0007 Anti-vibration mounts 0008...
  • Page 116 Parts list, outdoor unit types 221.C04 to 221.C08, 230 V~ Outdoor unit electrical equipment 230 V~ 0043 0084 0051 0008 0064 0009 0030 0067 0066 0022 0049 0070 0085 0063 Fig. 87...
  • Page 117 Parts list, outdoor unit types 221.C04 to 221.C08, 230 V~ Outdoor unit electrical equipment 230 V~ (cont.) Pos. Part 0008 EEV PCB (refrigerant circuit controller) 0009 Inverter 0022 230 V~ cable harness 0030 Mains terminals 0043 Connecting cable, compressor 0049 Temperature sensor cable harness 0051 Adaptor for safety high pressure switch...
  • Page 118 Parts list, outdoor unit types 221.C04 to 221.C08, 230 V~ Outdoor unit electrical equipment 230 V~ (cont.)
  • Page 119 Parts list, outdoor unit types 221.C10 to 221.C16, 230 V~ Overview of assemblies, outdoor unit 230 V~ The following details are required when ordering parts: ■ Serial no. (see type plate ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list) Fig.
  • Page 120 Parts list, outdoor unit types 221.C10 to 221.C16, 230 V~ Outdoor unit casing 230 V~ 0001 0006 0033 0031 0034 0032 0028 0030 0003 0007 0027 0029 0013 0006 0018 0022 0024 0008 0011 0013 0025 0012 0010 0023 0011 0026 0019 0005...
  • Page 121 Parts list, outdoor unit types 221.C10 to 221.C16, 230 V~ Outdoor unit casing 230 V~ (cont.) Pos. Part 0001 Cover with gasket 0002 Side panel, right with sound insulation 0003 Side panel, left with sound insulation 0004 Front panel with sound insulation 0005 Fan grille 0006...
  • Page 122 Parts list, outdoor unit types 221.C10 to 221.C16, 230 V~ Outdoor unit refrigerant circuit 230 V~ 0025 0010 0012 0011 0023 0013 0005 0030 0026 0015 0016 0028 0060 0017 0018 0019 0061 0020 0008 0009 0031 0015 0035 0015 0032 0022 0001...
  • Page 123 Parts list, outdoor unit types 221.C10 to 221.C16, 230 V~ Outdoor unit refrigerant circuit 230 V~ (cont.) Pos. Part 0001 Compressor 0002 Refrigerant receiver 0003 Refrigerant receiver base fixing 0004 Oil separator 0005 4-way diverter valve 0006 Compressor base plate 0007 Anti-vibration mounts 0008...
  • Page 124 Parts list, outdoor unit types 221.C10 to 221.C16, 230 V~ Outdoor unit electrical equipment 230 V~ 0043 0084 0051 0008 0064 0009 0030 0066 0067 0022 0049 0085 0070 0063 Fig. 91...
  • Page 125 Parts list, outdoor unit types 221.C10 to 221.C16, 230 V~ Outdoor unit electrical equipment 230 V~ (cont.) Pos. Part 0008 EEV PCB (refrigerant circuit controller) 0009 Inverter 0022 230 V~ cable harness 0030 Mains terminals 0043 Connecting cable, compressor 0049 Temperature sensor cable harness 0051 Adaptor for safety high pressure switch...
  • Page 126 Parts list, outdoor unit types 221.C10 to 221.C16, 230 V~ Outdoor unit electrical equipment 230 V~ (cont.)
  • Page 127 Parts list, outdoor unit types 221.C10 to 221.C16, 400 V~ Overview of assemblies, outdoor unit 400 V~ The following details are required when ordering parts: ■ Serial no. (see type plate ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list) Fig.
  • Page 128 Parts list, outdoor unit types 221.C10 to 221.C16, 400 V~ Outdoor unit casing 400 V~ 0001 0031 0032 0030 0029 0034 0006 0028 0027 0003 0018 0033 0007 0014 0013 0013 0006 0011 0010 0024 0008 0022 0025 0023 0017 0011 0026 0020...
  • Page 129 Parts list, outdoor unit types 221.C10 to 221.C16, 400 V~ Outdoor unit casing 400 V~ (cont.) Pos. Part 0001 Cover with gasket 0002 Side panel, right with sound insulation 0003 Side panel, left with sound insulation 0004 Front panel with sound insulation 0005 Fan grille 0006...
  • Page 130 Parts list, outdoor unit types 221.C10 to 221.C16, 400 V~ Outdoor unit refrigerant circuit 400 V~ 0025 0010 0012 0011 0023 0013 0005 0030 0026 0015 0016 0028 0060 0017 0018 0019 0061 0020 0008 0009 0031 0015 0035 0015 0032 0022 0001...
  • Page 131 Parts list, outdoor unit types 221.C10 to 221.C16, 400 V~ Outdoor unit refrigerant circuit 400 V~ (cont.) Pos. Part 0001 Compressor 0002 Refrigerant receiver 0003 Refrigerant receiver base fixing 0004 Oil separator 0005 4-way diverter valve 0006 Compressor base plate 0007 Anti-vibration mounts 0008...
  • Page 132 Parts list, outdoor unit types 221.C10 to 221.C16, 400 V~ Outdoor unit electrical equipment 400 V~ 0043 0084 0051 0008 0009 0064 0064 0064 0030 0066 0067 0022 0049 0070 0085 0063 Fig. 95...
  • Page 133 Parts list, outdoor unit types 221.C10 to 221.C16, 400 V~ Outdoor unit electrical equipment 400 V~ (cont.) Pos. Part 0008 EEV PCB (refrigerant circuit controller) 0009 Inverter 0022 230 V~ cable harness 0030 Mains terminals 0043 Connecting cable, compressor 0049 Temperature sensor cable harness 0051 Adaptor for safety high pressure switch...
  • Page 134 Commissioning/service reports Hydraulic parameter report Settings and test values Set value Commissioning Maintenance/ service Checking external heating circuit pumps Circulation pump type Circulation pump stage Overflow valve setting Commissioning, primary circuit Air intake temperature °C ("Diagnosis" "System overview") Ó Air discharge temperature °C ("Diagnosis"...
  • Page 135 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Temperature range input 0...10 V, cooling 700E Do not adjust. mode External extension 7010 System components for external change- 7011 over Operating status for external changeover 7012 Duration of external changeover 7013 Effect of external demand on heat pump/...
  • Page 136 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service ≙ "Set DHW temperature" 6000 500 ( 50 °C) ≙ "Min. DHW temperature" 6005 100 ( 10 °C) ≙ "Max. DHW temperature" 6006 600 ( 60 °C) ≙...
  • Page 137 Commissioning/service reports Control parameter report (cont.) Internal hydraulics Parameter Code Delivered condition Commission- Maintenance/ service Heat pump for drying a building 7300 Time program for screed drying 7303 Set flow temperature external demand, cool- 730A Do not adjust. ≙ Set flow temperature external demand 730C 500 ( 50 °C)
  • Page 138 Commissioning/service reports Control parameter report (cont.) Heating circuit 1 Parameter Code Delivered condition Commission- Maintenance/ service ≙ Standard room temperature 2000 200 ( 20 °C) ≙ Reduced room temperature 2001 160 ( 16 °C) Remote control 2003 Room temperature control 2005 0 Without remote control...
  • Page 139 Commissioning/service reports Control parameter report (cont.) Heating circuit 3 Parameter Code Delivered condition Commission- Maintenance/ service ≙ Standard room temperature 4000 200 ( 20 °C) ≙ Reduced room temperature 4001 200 ( 20 °C) Remote control 4003 Room temperature control 4005 0 Without remote control...
  • Page 140 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Flow rate reduced ventilation 7D0A Vitovent 200-C: ■ 75 m Vitovent 300-F: ■ 120 m Flow rate nominal ventilation 7D0B Vitovent 200-C: ■ 115 m Vitovent 300-F: ■...
  • Page 141 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Background ventilation C109 Vitovent 200-W: ■ 15 % Vitovent 300-C: ■ 30 m Vitovent 300-W: ■ 50 m Reduced ventilation C10A Vitovent 200-W: ■ 25 % Vitovent 300-C: ■...
  • Page 142 Commissioning/service reports Control parameter report (cont.) Photovoltaics Parameter Code Delivered condition Commission- Maintenance/ service Enable own energy consumption PV 7E00 ≙ Prop. of external current 7E02 10 ( 10 %) Threshold for electrical power 7E04 Types 221.C04 to ■ 221.C08: ≙...
  • Page 143 Commissioning/service reports Control parameter report (cont.) Control Parameter Code Delivered condition Commission- Maintenance/ service "Lock out controls" 8800 "Level enable, time program quieter op- 8801 eration" "User level for display, energy stmt" 8811...
  • Page 144 Specification Specification 230 V appliances Type AWBT-M/AWBT-M-E/AWBT-M-E-AC 221.C0 221.C0 221.C0 221.C1 221.C1 221.C1 Heating performance data to EN 14511 (A2/W35) Rated heating output 2.61 3.10 4.04 5.01 5.92 6.47 Fan speed Power consumption 0.73 0.84 1.02 1.27 1.48 1.79 Coefficient of performance (COP) in heating 3.57 3.67...
  • Page 145 Specification Specification (cont.) Type AWBT-M/AWBT-M-E/AWBT-M-E-AC 221.C0 221.C0 221.C0 221.C1 221.C1 221.C1 Heating water (secondary circuit) Minimum flow rate 1400 1400 1400 Minimum volume in the heating system, can- not be fitted with shut-off devices Max. external pressure drop (RFH) at mini- mbar mum flow rate 70.5...
  • Page 146 Specification Specification (cont.) Type AWBT-M/AWBT-M-E/AWBT-M-E-AC 221.C0 221.C0 221.C0 221.C1 221.C1 221.C1 Compressor (hermetically sealed) Type Scroll Oil in compressor Type 3 MAF POE ■ Quantity of oil in compressor 0.76 0.76 0.76 1.17 1.17 1.17 ■ Permissible operating pressure High pressure side ■...
  • Page 147 Specification Specification (cont.) Type AWBT-M/AWBT-M-E/AWBT-M-E-AC 221.C0 221.C0 221.C0 221.C1 221.C1 221.C1 Secondary circuit connections (with con- nection accessories, female thread) Heating water flow ¼ ¼ ¼ ¼ ¼ ¼ Heating water return ¼ ¼ ¼ ¼ ¼ ¼ ¾ ¾ ¾...
  • Page 148 Specification Specification (cont.) 400 V appliances Type AWBT/AWBT-E/AWBT-E-AC 221.C10 221.C13 221.C16 Heating performance data to EN 14511 (A2/W35) Rated heating output 5.90 6.31 7.02 Fan speed Power consumption 1.44 1.59 1.78 Coefficient of performance (COP) in heating 4.10 3.98 3.94 ε...
  • Page 149 Specification Specification (cont.) Type AWBT/AWBT-E/AWBT-E-AC 221.C10 221.C13 221.C16 Heating water (secondary circuit) Minimum flow rate 1400 1400 1400 Minimum volume in the heating system, can- not be fitted with shut-off devices Max. external pressure drop (RFH) at mini- mbar mum flow rate Max.
  • Page 150 Specification Specification (cont.) Type AWBT/AWBT-E/AWBT-E-AC 221.C10 221.C13 221.C16 Permissible operating pressure High pressure side ■ Low pressure side ■ Integral DHW cylinder Capacity Max. draw-off volume at DHW temperature 40 °C Performance factor N to DIN 4708 Max. draw-off rate at the specified perform- l/min 17.3 17.3...
  • Page 151 Specification Specification (cont.) Type AWBT/AWBT-E/AWBT-E-AC 221.C10 221.C13 221.C16 Refrigerant line connections Liquid line Pipe 10 x 1 10 x 1 10 x 1 ■ Indoor unit ⅝ ⅝ ⅝ ■ Outdoor unit ■ ⅝ ⅝ ⅝ Hot gas line Pipe 16 x 1 16 x 1 16 x 1...
  • Page 152 Preferred appointment: Date Time Date Time The work that is requested to be carried out by Viessmann will be billed in accordance with the latest Viessmann pricelist. Place / Date Signature Final decommissioning and disposal Viessmann products can be recycled. Components and substances from the system are not part of ordi- nary household waste.
  • Page 153 AWBT-M-E-AC Including the Vitotronic 200, type WO1C heat pump control unit We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole responsible body that the named product complies with the provisions of the following directives and regulations: 2014/68/EU...
  • Page 154 Keyword index Keyword index Components............39, 41 Air discharge.............. 14 Compressor............87, 88 Air intake..............14 Compressor max. tilting angle........15 Air short circuit............13 Concrete foundations..........17 Air vent valve, secondary circuit.........85 Condensate drain........12, 16, 17, 18 Alignment..............31 Condensate pan............12 Ambient temperatures..........20 Connecting cable, indoor/outdoor unit.......
  • Page 155 Keyword index Keyword index (cont.) Electrical connection Fuse – Cable insertion............46 – F1................93 – Indoor unit............... 38 – F3................93 – Overview............38, 47 – Max. power loss............93 – Pumps..............39 Fuses................. 93 – Routing cables............35 –...
  • Page 156 Keyword index Keyword index (cont.) Installation location requirements Outdoor unit – Indoor unit............... 20 – Cable lengths............33 Instantaneous heating water heater..39, 42, 78, 85 – Cleaning..............71 – Power cable............33 – Closing..............58 – Power supply............52 – Dimensions..........10, 146, 150 –...
  • Page 157 Keyword index Keyword index (cont.) Parts Refrigerant............23, 63 – Casing, indoor unit.......... 96, 108 – Properties..............64 – Condenser, indoor unit.......... 100 – Safety instructions...........64 – Hydraulics, indoor unit..........98 – Skin contact.............63 – Hydraulics, indoor unit type AWBT(-M)....102 Refrigerant charge............. 63 –...
  • Page 158 Keyword index Keyword index (cont.) Service termination............ 74 Tilting angle..............15 Service valve TNC system............54, 55 – External unit............61 Top-up water.............. 64 – Indoor unit............... 85 Torque – Outdoor unit............61, 63 – Refrigerant lines..........27, 28 Short circuit magnesium anode:internal indirect coil..–...
  • Page 160 7745691 7745692 7745693 7749598 7749599 7749600 7749601 7749602 7749603 Viessmann Werke GmbH & Co. KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com Fax: +44 1952 675040...

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