Viessmann Vitocal 200-A Installation And Service Instructions Manual
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Viessmann Vitocal 200-A Installation And Service Instructions Manual

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VIESMANN
Installation and service instructions
for contractors
Vitocal 200-A
Type AWO(-M)/AWO(-M)-E 201.A04 to A16
Air/water heat pump, split version for heating operation
Type AWO(-M)-E-AC 201.A04 to A16
Air/water heat pump, split version for heating and cooling operation
VITOCAL 200-A
Please keep safe.
5830390 GB
2/2018

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Summary of Contents for Viessmann Vitocal 200-A

  • Page 1 VIESMANN Installation and service instructions for contractors Vitocal 200-A Type AWO(-M)/AWO(-M)-E 201.A04 to A16 Air/water heat pump, split version for heating operation Type AWO(-M)-E-AC 201.A04 to A16 Air/water heat pump, split version for heating and cooling operation VITOCAL 200-A Please keep safe.
  • 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: Table Of Contents

    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 ..................■ 3. Installation sequence Installing the outdoor unit ............... 11 Installation information ................
  • Page 5 Ω ■ Indoor unit: Viessmann NTC 20 k (orange marking) ......82 Ω ■ Indoor unit: Viessmann Pt500A (green marking) ........ 83 ■ Outdoor unit: Viessmann NTC 10 k (no marking) ......84 Ω ■ Checking the fuses ................84 6.

  • Page 6: Disposal Of Packaging

    Please dispose of packaging waste in line with statu- DE: Use the disposal system organised by tory regulations. 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: Product Information

    Product information Layout Central heating Vitocal 200-A is a monoblock air/water heat pump, The heat pump can supply up to 3 heating circuits: comprising 1 indoor unit and 1 outdoor unit. 1 heating circuit without mixer and 2 heating circuits with mixer.

  • Page 8: Requirements For On-Site Connections

    Preparing for installation Requirements for on-site connections Indoor unit Fig. 1 Cable entry < 42 V Cable entry 400 V~/230 V~, > 42 V Connections to the outdoor unit Symbol Meaning Connection to the indoor unit (fe- male thread) Outdoor unit return (union nut DN 32) ¼...

  • Page 9: Outdoor Unit

    Preparing for installation Requirements for on-site connections (cont.) 1. Prepare the connections on the heating water and 2. Prepare the electrical connections. the DHW side. Flush the heating system. Outdoor unit Outdoor units, types 201.A04 to A08 1109 Fig. 2 Outdoor unit flow (heating water outlet) G 1 Power cable inlet ¼...
  • Page 10 Preparing for installation Requirements for on-site connections (cont.) Outdoor units, types 201.A10 to A16 1109 Fig. 3 Outdoor unit flow (heating water outlet) G 1 Power cable inlet ¼ (union nut supplied, female thread) Modbus cable inlet for indoor/outdoor unit Outdoor unit return (heating water outlet) G 1 ¼...

  • Page 11: Installing The Outdoor Unit

    Installation sequence Installing the outdoor unit Installation information Types of installation: Condensate: Floorstanding installation with line entry above Ensure that condensate can drain freely. ■ ■ ground level Create a permanent gravel bed under the outdoor ■ Floorstanding installation with line entry below unit as a soakaway.

  • Page 12: Installation Location

    Installation sequence Installing the outdoor unit (cont.) Weight of outdoor units Vitocal 200-A Type Weight in kg 230 V appliances AWO-M 201.A04 ■ AWO-M-E ■ 201.A06 AWO-M-E-AC ■ 201.A08 201.A10 201.A13 201.A16 400 V appliances 201.A10 ■ AWO-E ■ 201.A13 AWO-E-AC ■...

  • Page 13: Minimum Clearances For 1 Outdoor Unit

    Installation sequence Installing the outdoor unit (cont.) Minimum clearances for 1 outdoor unit Types 201.A04 to A08 1000 Fig. 4 Air intake Air discharge ■ Line entry above ground level: 200 mm ≥ Line entry below ground level: ■ 900 mm ≥...

  • Page 14: Minimum Clearances For Heat Pump Cascades (Max. 5 Outdoor Units)

    Installation sequence Installing the outdoor unit (cont.) Types 201.A13 to A16, 230 V~ and 400 V~ 1000 Fig. 5 Air intake Air discharge ■ Line entry above ground level: 200 mm ≥ Line entry below ground level: ■ 900 mm ≥...

  • Page 15: Transport And Siting

    Installation sequence Installing the outdoor unit (cont.) Single row layout > 500 > 500 > 500 > 500 > 500 > 500 Fig. 8 Air intake Air discharge Transport and siting Please note Please note Impacts, compression and tensile loads can If the compressor in the outdoor unit is strongly cause damage to the outside panels of the tilted, lubricant will enter the refrigerant circuit...
  • Page 16 Installation sequence Installing the outdoor unit (cont.) 1100 Fig. 9 Frost protection for foundations (compacted Fixing points for floorstanding installation supports crushed stone, e.g. 0 to 32/56 mm); thickness of Only for line entry below ground level: Hydraulic layer subject to local requirements and building connection set (accessories) regulations Foundation strip...
  • Page 17 Installation sequence Installing the outdoor unit (cont.) Floorstanding installation with support; line entry above ground level Support for floorstanding installation (accessories) Foundation strip Frost protection for foundations (compacted crushed stone, e.g. 0 to 32/56 mm); thickness of layer subject to local requirements and building regulations Flexible separating layer between the foundations and the building...
  • Page 18 Installation sequence Installing the outdoor unit (cont.) Floorstanding installation with support; line entry below ground level 3000 1100 Fig. 11 Ground Floorstanding installation connection set (accesso- Pathway, patio ries) Support for floorstanding installation (accessories) Hydraulic connection set (accessories) Openings in the base plate for free drainage of Foundation strip condensate: Frost protection for foundations (compacted...

  • Page 19: Wall Mounting

    Installation sequence Installing the outdoor unit (cont.) Installing an outdoor unit on foundations Note We recommend letting condensate drain away freely (no condensate pipe). Fig. 12 Support for floorstanding installation (accessories) Gravel bed as condensate soakaway Concrete foundations (see technical guide) Only for line entry below ground level: Hydraulic connection set (accessories) Wall mounting...
  • Page 20 Installation sequence Installing the outdoor unit (cont.) Wall mounting with bracket set Fig. 13 Gravel bed as condensate soakaway Anti-vibration mounts (standard delivery of bracket) Indoor/outdoor unit hydraulic connection line Indoor/outdoor unit Modbus cable and outdoor unit power cable: Route the cables so they are not stressed. Wall mounting connection set (accessories) Openings in the base plate for free drainage of condensate:...

  • Page 21: Opening The Wiring Chamber

    Installation sequence Installing the outdoor unit (cont.) Opening the wiring chamber Types 201.A04 to 201.A08, 230 V~ Types 201.A10 to 201.A16, 230 V~ and 400 V~ Fig. 14 Compressor power supply Modbus connection (connection to the indoor unit) Fig. 15 Compressor power supply Modbus connection (connection to the indoor unit)

  • Page 22: Removing The Transport Brackets

    Installation sequence Installing the outdoor unit (cont.) Removing the transport brackets 1. 2x Fig. 16...

  • Page 23: Connecting The Supplied Hoses

    Installation sequence Installing the outdoor unit (cont.) Connecting the supplied hoses Fig. 17 Outdoor unit return (heating water inlet) Outdoor unit flow (heating water outlet) Installing the indoor unit Transport Please note Impacts, compression and tensile loads can cause damage to the outside panels of the appliance.

  • Page 24: Requirements For The Installation Room

    Installation sequence Installing the indoor unit (cont.) Requirements for the installation room Please note Danger Unfavourable ambient conditions can lead to Dust, gases and vapours can be damaging to malfunctions and appliance damage. health and trigger explosions. ■ The installation room must be dry and free Avoid dust, gases and vapours in the installation from the risk of frost.

  • Page 25: Fitting The Indoor Unit To The Wall

    Installation sequence Installing the indoor unit (cont.) Fitting the indoor unit to the wall Fig. 19 Connecting the secondary circuit Symbol Meaning Connection Outdoor unit return ¼ Outdoor unit flow ¼ DHW cylinder flow (heating ¼ water side) Heating water return and ¼...

  • Page 26: Only Type Awo(-M)-E-Ac: Connecting The Cooling Circuit

    Installation sequence Connecting the secondary circuit (cont.) 2. Connect all the hydraulic lines to the indoor unit 4. Thermally insulate lines inside the building. For (secondary circuit and connection lines from the heat pumps with a cooling function, use thermal outdoor unit).

  • Page 27: Electrical Connection

    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 28 Installation sequence Electrical connection (cont.) Outdoor units Vitocal 200-A Type Cable Max. cable length 230 V appliances AWO-M 201.A04 29 m 3 x 2.5 mm ■ AWO-M-E ■ 201.A06 29 m 3 x 2.5 mm AWO-M-E-AC ■ 201.A08 29 m 3 x 2.5 mm...

  • Page 29: Indoor Unit: Routing Cables To The Wiring Chamber

    Installation sequence Electrical connection (cont.) Indoor unit: Routing cables to the wiring chamber Fig. 21...

  • Page 30: Connecting The Vitoconnect (Accessories)

    Installation sequence Electrical connection (cont.) Connecting the Vitoconnect (accessories) Fig. 22 Fig. 23...
  • Page 31 Installation sequence Electrical connection (cont.) Fig. 26 Fig. 24 Fig. 27 Fig. 25...

  • Page 32: Indoor Unit: Overview Of Connections

    Installation sequence Electrical connection (cont.) Indoor unit: Overview of connections F16F14F21F20 F11 F7 F13F12 F27F4 X25 193C193A193B Fig. 28 If available: Luster terminals: See page 39. Control module and power supply for instantane- X1 Terminals for earth conductors of all associ- ous heating water heater: See page 49 onwards.

  • Page 33: Indoor Unit: Main Pcb (230 V~ Components)

    Installation sequence Electrical connection (cont.) Controller and sensor PCB: See page 40. Connection for Modbus cable to the outdoor unit 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 62 onwards.
  • Page 34 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 212.2 Heating circuit pump for heating cir- This pump is connected in addition to the secondary ■ cuit without mixer A1/HC1 pump if a heating water buffer cylinder is installed. Connect the temperature limiter to restrict the maxi- ■...
  • Page 35 Installation sequence Electrical connection (cont.) Connecting the temperature limiter, part no. 7151 728, 7151 729 to the mixer extension kit sÖ sÖ Fig. 31 Connect plug sÖ to the extension kit. Temperature limiter Heating circuit pump M3/HC3 Plug Terminals Function Explanation 214.1 External hook-up, heating/cooling cir-...

  • Page 36: Indoor Unit: Expansion Pcb On Main Pcb (230 V~ Components)

    Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 216.1 Central heating demand, heating cir- 230 V~ digital input: cuit A1/HC1 230 V~: Central heating demand for heating circuit ■ A1/HC1 active 0 V: No demand ■ Breaking capacity 230 V, 2 mA ■...
  • Page 37 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 222.3 Control of external heat generators Floating contact 222.4 and 1 high limit safety cut-out each (on site, max. 70 °C), to switch off or Note switch between the following compo- The switching contact is a floating N/O contact that is ■...
  • Page 38 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 224.4 Control of instantaneous heating wa- Connection values ter heater, stage 2 Output: 10 W ■ Voltage: 230 V~ ■ Max. switching current: 4(2) A ■ 224.7 Connection values Output: 100 W ■...

  • Page 39: Indoor Unit: Luster Terminals (Signal And Safety Connections)

    Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 225.1 Heating circuit pump of the heating Connect a temperature limiter to restrict the maximum circuit with mixer M2/HC2 temperature for underfloor heating circuits (if installed) in series. Connection values: Output: 100 W ■...

  • Page 40: Indoor Unit: Controller And Sensor Pcb (Lv Connections)

    Installation sequence Electrical connection (cont.) Terminals Function Explanation With heat pump cascades ■ – Power supply without on-site load disconnec- tion: Only connect the power-OFF signal to the lead heat pump: See page 51. – Power supply with on-site load disconnection: Connect the power-OFF signal to all heat pumps: See page 51.
  • Page 41 Installation sequence Electrical connection (cont.) Plug Sensor Type System flow temperature sensor (downstream of the buffer cylinder and mix- NTC 10 k Ω er for external heat generator) Flow temperature sensor, cooling circuit (heating circuit without mixer A1/HC1 NTC 10 k Ω...
  • Page 42 Installation sequence Electrical connection (cont.) [{{] 0-10V L1 N Fig. 36 EA1 extension Circulation pump for swimming pool heating Power supply 1/N/PE 230 V/50 Hz (accessories) Junction box (on site) Temperature controller for swimming pool temper- ature control (floating contact: 230 V~, 0.1 A, Fuses and contactor for circulation pump for swim- ming pool heating (accessories) accessories)

  • Page 43: Outdoor Unit: Routing Cables To The Wiring Chamber

    Installation sequence Electrical connection (cont.) Outdoor unit: Routing cables to the wiring chamber Modbus 230 V/50 Hz Fig. 37 Example: AWO-M 201.D10...

  • Page 44: Outdoor Unit: Overview Of Electrical Connections

    Installation sequence Electrical connection (cont.) Outdoor unit: Overview of electrical connections Types 201.A04 to 201.A08, 230 V~ Types 201.A10 to 201.A16, 230 V~ Fig. 38 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 47.

  • Page 45: Connecting The Modbus Cable Between The Indoor And Outdoor Unit

    Installation sequence Electrical connection (cont.) Types 201.A10 to 201.A16, 400 V~ Fig. 40 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 47. Terminal for Modbus cable between indoor/outdoor unit: See next chapter.

  • Page 46: Power Supply

    Installation sequence Electrical connection (cont.) 230 V/ 50 Hz Fig. 41 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 47: Heat Pump Control Unit Power Supply 230 V

    Installation sequence Power supply (cont.) In negotiations with your power supply utility, differ- When using power generated on site (use of power ■ ■ ent supply tariffs for the main power circuits may be generated by the PV system to meet own require- offered.
  • Page 48 Serious injury can be caused by electric current and appliance damage can result if wires drift into the adjacent voltage area. It is essential to insert the separator supplied. Max. cable length Vitocal 200-A Type Cable Max. cable length 230 V appliances AWO-M 201.A04...

  • Page 49: Instantaneous Heating Water Heater Power Supply

    Serious injury can be caused by electric current and appliance damage can result if wires drift into the adjacent voltage area. It is essential to insert the separator supplied. Max. cable length Vitocal 200-A Type Cable Max. cable length 400 V appliances 201.A10...
  • Page 50 Installation sequence Power supply (cont.) 1/N/PE 230 V/50 Hz Fig. 45 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 51: Power Supply With Power-Off: Without On-Site Load Disconnection

    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 52 Installation sequence Power supply (cont.) X3.7 X3.6 5 (400 V~) (230 V~) ≈ Fig. 48 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 53: Connecting The Power-Off Signal In Heat Pump Cascades

    Installation sequence Power supply (cont.) Connecting the power-OFF signal in heat pump cascades X3.7 X3.6 X3.7 X3.6 X3.7 X3.6 X3.7 X3.6 X3.7 X3.6 Fig. 49 Power-OFF terminal of lead heat pump (indoor unit luster terminals, see chapter "Indoor unit: Over- view of connections") Power-OFF terminal of lag heat pump 1 Power-OFF terminal of lag heat pump 2...

  • Page 54: Mains Power Supply In Conjunction With On-Site Power Consumption

    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. 50 Heat pump Bi-directional meter (for PV systems to consume Additional consumers (of power generated on site) power on site): in the household Energy taken from power supply utility and energy...
  • Page 55 Installation sequence Power supply (cont.) Connection to EA1 extension Condition: "Enable Smart Grid 7E80" must be at "1". [{{] 0-10V Fig. 51 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...

  • Page 56: Closing The Heat Pump

    Installation sequence Closing the heat pump Please note Danger If a casing door is not securely closed this can The absence of system component earthing can lead to damage from condensation, vibrations lead to serious injury from electrical current and and excessive noise.

  • Page 57: Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • • 1. Opening the heat pump..................... 58 • 2. Compiling reports......................58 • • 3. Checking the refrigerant circuit for leaks................ 58 •...

  • Page 58: Opening The Heat Pump

    Commissioning, inspection, maintenance Opening the heat pump Danger Please note Contact with live components can lead to seri- Commissioning immediately after siting the ous injury from electric current. Some compo- appliance can lead to appliance damage. nents on PCBs remain live even after the power Wait at least 30 min between siting and com- supply has been switched off.

  • Page 59: Checking The Expansion Vessel And Heating Circuit Pressure

    Commissioning, inspection, maintenance Filling and venting the secondary side (cont.) 3. Fill (flush) and vent the secondary circuit using drain & fill valve or an on-site connection. 4. Open the air discharge valve in quick-action air vent valve 5. Check the system pressure at the pressure gauge. Top up with water if required.

  • Page 60: Cleaning The Outdoor Unit Heat Exchanger (Evaporator)

    Commissioning, inspection, maintenance Checking that the fan in the outdoor unit can… (cont.) Types 201.A04 to 201.A08 3. Turn the fan by hand. Fig. 55 Types 201.A10 to 201.A16 4. Turn the fan by hand. Fig. 56 Cleaning the outdoor unit heat exchanger (evaporator) Danger Danger If you touch live components or they come into...

  • Page 61: Checking The Outdoor Unit Electrical Connections For Firm Seating

    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 62: Commissioning The System

    Commissioning, inspection, maintenance Commissioning the system Commissioning (configuration, parameter settings and Note function check) can be carried out with or without the The type and extent of the parameters depend on the commissioning wizard (see following chapter and serv- appliance type, on the selected system scheme and ice instructions for the heat pump control unit).
  • Page 63 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 64 Commissioning, inspection, maintenance Commissioning the system (cont.) 2. "Service" 5. Select parameter: "System scheme 7000" 3. Select "Coding level 1". 6. Set a system scheme: e.g. "6" 4. Select parameter group: "System definition" Required parameters for components connected on site Parameters may need to be set subject to the appli- Detailed explanations of parameters ance type, the selected system scheme and the acces-...
  • Page 65 Note Component may be added. Set system scheme 11 for the lag heat pumps in a For detailed information on system examples: See heat pump cascade. www.viessmann-schemes.com. Parameters for circulation pumps and other components Heating circuit pump Parameter Setting "System definition"...
  • Page 66 Commissioning, inspection, maintenance Commissioning the system (cont.) 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. Parameters for external functions External demand Parameter Setting...
  • Page 67 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 AWO(-M)-E-AC: Cooling function parameters Cooling function on systems without buffer cylinder Parameter Setting "Cooling"...
  • Page 68 Commissioning, inspection, maintenance Commissioning the system (cont.) Room temperature sensor for separate cooling circuit Parameter Setting "Cooling" Ó "Ranking room temp sensor separate cooling circuit 7106" "0" Connection F16 "1" Heating circuit HC1 "2" Heating circuit HC2 "3" Heating circuit HC3 "4"...
  • Page 69 Commissioning, inspection, maintenance Commissioning the system (cont.) Enable external heat source for DHW heating Parameter Setting "External heat source" Ó "Enable external heat source for DHW heating 7B0D" "1" Parameters for immersion heater Parameters Setting "DHW" Ó "Enable electric heaters for DHW heating 6015" "1"...
  • Page 70 Commissioning, inspection, maintenance Commissioning the system (cont.) Adjust values for Vitovent 200-C if necessary Parameter Setting "Ventilation" Ó ≙ "Set room temperature 7D08" "100" to "300" ( 10 to 30 °C) "Flow rate reduced ventilation 7D0A" Subject to sizing "Flow rate nominal ventilation 7D0B" Ventilation unit service instruc- "Flow rate intensive ventilation 7D0C"...
  • Page 71 Commissioning, inspection, maintenance Commissioning the system (cont.) Further enabling for Vitovent 300-F if necessary Parameter Setting "Ventilation" Ó "Enable preheater bank electric 7D01" "1" "Enable reheater bank hydraulic 7D02" "1" "Enable humidity sensor 7D05" "1" "Enable CO2 sensor 7D06" "1" "Type of heat exchanger 7D2E"...
  • Page 72 Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for Smart Grid Parameter Setting "Smart Grid" Ó "Enable Smart Grid 7E80" "1" Connection to EA1 extension "4" Connection to heat pump control unit "Smart Grid Enable elec heat 7E82" "1" Stage 1 "2"...

  • Page 73: Checking The Heat Pump For Noise

    Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters Setting Lead heat pump Lag heat pump "Electric heater" Ó "Enable instantaneous heating water heater 7900" "0" or "1" "0" or "1" "Enable electric heaters for DHW heating 6015" "0" or "1" —...

  • Page 74: Overview Of Electrical Components

    Maintenance Overview of electrical components Indoor unit: ■ See page 32 onwards. ■ Outdoor unit: See page 44 onwards. Indoor unit: Opening the programming unit Fig. 60 Removing the cover from the programming unit if necessary Fig. 61...

  • Page 75: Indoor Unit: Placing The Control Unit Panel In Its Service Position

    Maintenance Indoor unit: Placing the control unit panel in its service position Fig. 62...

  • Page 76: Overview Of Internal Components: Indoor Unit

    Maintenance Overview of internal components: Indoor unit Fig. 63 Type AWO(-M)-E/AWO(-M)-E-AC only: Secondary circuit return temperature sensor (F9) High limit safety cut-out (STB), instantaneous Secondary pump heating water heater Secondary circuit drain & fill valve Quick-action air vent valve G Safety valve ⅜...

  • Page 77: Overview Of Internal Components: Outdoor Unit

    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 78: Outdoor Units, Types 201.A04 To 201.A08

    Maintenance Overview of internal components: Outdoor unit (cont.) Outdoor units, types 201.A04 to 201.A08 Fig. 64 Liquid gas temperature sensor (T3) Air intake temperature sensor (T5) Schrader valve, low pressure side Heat exchanger (evaporator) Compressor Electronic expansion valve Schrader valve, high pressure side 4-way diverter valve Hot gas temperature sensor (T6) Secondary circuit air vent valve...

  • Page 79: Outdoor Unit, Types 201.A10 To 201.A16

    Maintenance Overview of internal components: Outdoor unit (cont.) Outdoor unit, types 201.A10 to 201.A16 Fig. 65 Air intake temperature sensor (T5) Heat exchanger (evaporator)

  • Page 80: Draining Secondary Side Heat Pump

    Maintenance Overview of internal components: Outdoor unit (cont.) Electronic expansion valve Hot gas temperature sensor (T6) 4-way diverter valve Compressor suction gas temperature sensor (T4) Secondary circuit flow temperature sensor Schrader valve, high pressure side upstream of instantaneous heating water heater Compressor (T1) Refrigerant receiver...
  • Page 81 Maintenance Checking the temperature sensors (cont.) Indoor unit: Viessmann NTC 10 k (blue marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k...
  • Page 82 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 83: Indoor Unit: Viessmann Pt500A (Green Marking)

    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 84: Checking The Fuses

    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 85 Maintenance Checking the fuses (cont.) 3. Check fuses. Replace if necessary. Danger Removing the fuse does not switch the power Danger circuit to zero volt. Contact with 'live' compo- Incorrect or improperly fitted fuses can lead nents can lead to serious injury from electric cur- to an increased risk of fire.
  • Page 86 Maintenance Checking the fuses (cont.)

  • Page 87: Overview Of Indoor Unit Assemblies

    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 88: Indoor Unit Casing

    Indoor unit parts lists Indoor unit casing 0006 0004 0007 0002 0001 0005 0003 Fig. 67...
  • Page 89 Indoor unit parts lists Indoor unit casing (cont.) Pos. Part 0001 Front panel 0002 Electrical equipment retainer 0003 Pipe seal 0004 Screws (set) 0005 Logo (set) 0006 Wall mounting bracket 0007 Dummy plug...

  • Page 90: Hydraulics, Indoor Unit Type Awo(-M)

    Indoor unit parts lists Hydraulics, indoor unit type AWO(-M) 0008 0007 0010 0016 0008 0023 0009 0002 0017 0001 0003 0005 0006 0008 0009 0003 0016 0022 0004 0017 0006 0009 0005 0009 0006 0009 0017 0016 0011 0015 0009 0017 0009 0009...
  • Page 91 Indoor unit parts lists Hydraulics, indoor unit type AWO(-M) (cont.) Pos. Part 0001 Hydraulic block 0002 Quick-action air vent valve G ⅜ 0003 Air vent valve G ⅜ 0004 Servomotor, 3-way diverter valve "central heating/DHW heating" 0005 Valve insert, 3-way diverter valve "central heating/DHW heating" 0006 O-rings, valve insert (set) 0007...

  • Page 92: Hydraulics, Indoor Unit Type Awo(-M)-E/Awo(-M)-E-Ac

    Indoor unit parts lists Hydraulics, indoor unit type AWO(-M)-E/AWO(-M)-E-AC 0010 0008 0007 0016 0023 0017 0002 0008 0009 0001 0003 0005 0006 0008 0009 0003 0016 0006 0022 0005 0016 0017 0015 0006 0009 0004 0009 0009 0011 0017 0017 0009 0009 0016...
  • Page 93 Indoor unit parts lists Hydraulics, indoor unit type AWO(-M)-E/AWO(-M)-E-AC (cont.) Pos. Part 0001 Hydraulic block 0002 Quick-action air vent valve G ⅜ 0003 Air vent valve G ⅜ 0004 Servomotor, 3-way diverter valve "central heating/DHW heating" 0005 Valve insert, 3-way diverter valve "central heating/DHW heating" 0006 O-rings, valve insert (set) 0007...

  • Page 94: Indoor Unit Electrical Equipment

    Indoor unit parts lists Indoor unit electrical equipment 0035 0044 0036 0023 0041 0032 0039 0040 0042 0006 0004 0005 0038 0002 0003 0007 0001 0017 0012 0013 0014 0010 0050 0037 0011 0046 Fig. 70...
  • Page 95 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 96: Casing, Miscellaneous

    Indoor unit parts lists Casing, miscellaneous 0001 0005 0006 0007 0002 0008 0004 0003 0009 Fig. 71...
  • Page 97 Indoor unit parts lists Casing, 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 Vitocal installation and service instructions 0006 Vitotronic 200 operating instructions 0007 Vitotronic 200 service instructions 0008...
  • Page 98 Indoor unit parts lists Casing, miscellaneous (cont.)

  • Page 99: Overview Of Assemblies, Outdoor Unit 230 V

    Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E/AWO-M-E-AC 201.A04 to A08 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 100: Outdoor Unit Casing 230 V

    Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E/AWO-M-E-AC 201.A04 to A08 Outdoor unit casing 230 V~ 0006 0033 0031 0032 0001 0007 0034 0022 0018 0003 0014 0012 0009 0008 0024 0011 0010 0034 0019 0002 0026 0020 0005 0015 0021 0027 0004...
  • Page 101 Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E/AWO-M-E-AC 201.A04 to A08 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 102: Outdoor Unit Refrigerant Circuit 230 V

    Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E/AWO-M-E-AC 201.A04 to A08 Outdoor unit refrigerant circuit 230 V~ 0015 0028 0033 0017 0018 0019 0020 0011 0034 0010 0012 0005 0015 0013 0015 0023 0055 0014 0018 0019 0019 0020 0020 0035 0053 0018...
  • Page 103 Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E/AWO-M-E-AC 201.A04 to A08 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 104: Outdoor Unit Electrical Equipment 230 V

    Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E/AWO-M-E-AC 201.A04 to A08 Outdoor unit electrical equipment 230 V~ 0043 0084 0051 0008 0064 0009 0030 0067 0066 0022 0049 0070 0085 0063 Fig. 75...
  • Page 105 Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E/AWO-M-E-AC 201.A04 to A08 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...
  • Page 106 Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E/AWO-M-E-AC 201.A04 to A08 Outdoor unit electrical equipment 230 V~ (cont.)

  • Page 107: Overview Of Assemblies, Outdoor Unit 230 V

    Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E 201.A04/AWO-M-E-AC 201.A10 to A16 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 108: Outdoor Unit Casing 230 V

    Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E 201.A04/AWO-M-E-AC 201.A10 to A16 Outdoor unit casing 230 V~ 0034 0001 0032 0006 0033 0027 0018 0006 0031 0003 0028 0007 0029 0030 0022 0008 0025 0014 0011 0010 0023 0012 0024 0034 0019 0026...
  • Page 109 Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E 201.A04/AWO-M-E-AC 201.A10 to A16 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 110: Outdoor Unit Refrigerant Circuit 230 V

    Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E 201.A04/AWO-M-E-AC 201.A10 to A16 Outdoor unit refrigerant circuit 230 V~ 0020 0019 0018 0017 0016 0005 0027 0009 0011 0008 0010 0012 0033 0034 0015 0023 0015 0028 0017 0018 0019 0013 0020 0055 0018...
  • Page 111 Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E 201.A04/AWO-M-E-AC 201.A10 to A16 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 112: Outdoor Unit Electrical Equipment 230 V

    Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E 201.A04/AWO-M-E-AC 201.A10 to A16 Outdoor unit electrical equipment 230 V~ 0043 0084 0051 0008 0064 0009 0030 0066 0067 0022 0049 0085 0070 0063 Fig. 79...
  • Page 113 Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E 201.A04/AWO-M-E-AC 201.A10 to A16 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...
  • Page 114 Outdoor unit parts list 230 V~, type AWO-M/AWO-M-E 201.A04/AWO-M-E-AC 201.A10 to A16 Outdoor unit electrical equipment 230 V~ (cont.)

  • Page 115: Overview Of Assemblies, Outdoor Unit 400 V

    Outdoor unit parts list 400 V~, type AWO/AWO-E/AWO-E-AC 201.A10 to A16 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 116: Outdoor Unit Casing 400 V

    Outdoor unit parts list 400 V~, type AWO/AWO-E/AWO-E-AC 201.A10 to A16 Outdoor unit casing 400 V~ 0001 0034 0028 0006 0029 0018 0003 0031 0030 0014 0007 0032 0024 0011 0006 0027 0033 0012 0034 0025 0010 0022 0016 0023 0011 0026 0020...
  • Page 117 Outdoor unit parts list 400 V~, type AWO/AWO-E/AWO-E-AC 201.A10 to A16 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 118: Outdoor Unit Refrigerant Circuit 400 V

    Outdoor unit parts list 400 V~, type AWO/AWO-E/AWO-E-AC 201.A10 to A16 Outdoor unit refrigerant circuit 400 V~ 0020 0019 0018 0017 0016 0005 0027 0009 0011 0008 0010 0012 0033 0034 0015 0023 0015 0028 0017 0018 0019 0013 0020 0055 0018 0019...
  • Page 119 Outdoor unit parts list 400 V~, type AWO/AWO-E/AWO-E-AC 201.A10 to A16 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 120: Outdoor Unit Electrical Equipment 400 V

    Outdoor unit parts list 400 V~, type AWO/AWO-E/AWO-E-AC 201.A10 to A16 Outdoor unit electrical equipment 400 V~ 0043 0084 0051 0008 0009 0064 0064 0064 0030 0066 0067 0022 0049 0070 0085 0063 Fig. 83...
  • Page 121 Outdoor unit parts list 400 V~, type AWO/AWO-E/AWO-E-AC 201.A10 to A16 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...

  • Page 122: Hydraulic Parameter Report

    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 123 Commissioning/service reports Control parameter report (cont.) Parameter Code Factory setting Commission- Maintenance/ service Output lag heat pump 700B Use of heat pump in cascade 700C Runtime balance cascade 700D ≙ Temperature range input 0...10 V, cooling 700E 500 ( 50 °C) mode Output control strategy, cascade 700F...
  • Page 124 Commissioning/service reports Control parameter report (cont.) External heat generator Parameter Code Delivered condition Commission- Maintenance/ service "Enable external heat source" 7B00 "Priority ext. heat source/instant. heating 7B01 water heater" ≙ "Dual mode temperature external heat 7B02 100 ( 10 °C) source"...
  • Page 125 Commissioning/service reports Control parameter report (cont.) Parameter Code Factory setting 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 126 Commissioning/service reports Control parameter report (cont.) Electric booster heater Parameter Code Delivered condition Commission- Maintenance/ service "Enable instantaneous heating water 7900 heater" "Enable electric heaters for DHW heat- 7901 ing" "Enable instant. heating water heater for 7902 central heating" "Start delay instantaneous heating water 7905 30 min heater"...
  • Page 127 Commissioning/service reports Control parameter report (cont.) Buffer cylinder Parameter Code Factory setting Commission- Maintenance/ service Enable buffer cylinder/low loss header 7200 ≙ Temp. in operating status fixed value for buf- 7202 500 ( 50 °C) fer cyl ≙ Hysteresis temperature heating buffer cylin- 7203 50 ( 5 K)
  • Page 128 Commissioning/service reports Control parameter report (cont.) Heating circuit 2 Parameter Code Factory setting Commission- Maintenance/ service ≙ Standard room temperature 3000 200 ( 20 °C) ≙ Reduced room temperature 3001 160 ( 16 °C) Remote control 3003 Room temperature control 3005 ≙...
  • Page 129 Commissioning/service reports Control parameter report (cont.) Cooling Parameter Code Factory setting Commission- Maintenance/ service Cooling function 7100 Cooling circuit 7101 ≙ Set room temperature separate cooling cir- 7102 200 ( 20 °C) cuit ≙ Min. flow temperature cooling 7103 200 ( 20 °C) Influence room temperature hook-up cooling 7104...
  • Page 130 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Fan for control voltage matching 7D28 Strategy, passive frost protection 7D2C Type of heat exchanger 7D2E Installation position 7D2F Function, external 230 V input, ventilation 7D3A Duration, bathroom vent. 7D3B 30 min Starting block, ventilation periods part 1...
  • Page 131 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Background ventilation, second fan duct C189 15 % Reduced ventilation, second fan duct C18A 25 % Standard ventilation, second fan duct C18B 50 % Intensive ventilation, second fan duct C18C 75 % Bypass mode...
  • Page 132 Commissioning/service reports Control parameter report (cont.) Smart Grid Parameter Code Delivered condition Commission- Maintenance/ Service "Enable Smart Grid" 7E80 "Smart Grid Enable elec heat" 7E82 ≙ "Smart Grid set value increase for DHW 7E91 0 K) heating" ≙ "Smart Grid set value increase for htg 7E92 0 K) wtr buff"...
  • Page 133 Specification Specification 230 V appliances Type AWO-M/AWO-M-E/AWO-M-E-AC 201.A0 201.A0 201.A0 201.A1 201.A1 201.A1 Heating performance data to EN 14511 (A2/W35) Rated heating output 2.61 3.11 4.04 5.01 5.92 6.47 Fan speed Power consumption 0.73 0.82 1.02 1.27 1.48 1.79 Coefficient of performance (COP) in heating 3.57 3.78...
  • Page 134 Specification Specification (cont.) Type AWO-M/AWO-M-E/AWO-M-E-AC 201.A0 201.A0 201.A0 201.A1 201.A1 201.A1 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 135 Specification Specification (cont.) Type AWO-M/AWO-M-E/AWO-M-E-AC 201.A0 201.A0 201.A0 201.A1 201.A1 201.A1 Compressor (hermetically sealed) Type Scroll Scroll Scroll Scroll Scroll Scroll Oil in compressor Type 3 MAF 3 MAF 3 MAF 3 MAF 3 MAF 3 MAF ■ Quantity of oil in compressor 0.76 0.76 0.76...
  • Page 136 Specification Specification (cont.) Type AWO-M/AWO-M-E/AWO-M-E-AC 201.A0 201.A0 201.A0 201.A1 201.A1 201.A1 Performance data as per EU Regulation no. 813/2013 (average climatic conditions) Low temperature applications (W35) Energy efficiency ■ η Rated heating output P 5.38 5.59 6.82 9.32 9.99 10.61 ■...
  • Page 137 Specification Specification (cont.) Type AWO/AWO-E/AWO-E-AC 201.A10 201.A13 201.A16 Heating performance data to EN 14511 (A35/W18) Rated cooling capacity 7.00 8.20 9.20 Fan speed Power consumption 1.75 2.10 2.42 Energy efficiency ratio EER in cooling mode 4.00 3.90 3.80 Output control Up to 9.5 Up to 11.5 Up to 13.2...
  • Page 138 Specification Specification (cont.) Type AWO/AWO-E/AWO-E-AC 201.A10 201.A13 201.A16 Max. power consumption 2 x 45 2 x 45 2 x 45 Outdoor unit 5.13 5.13 5.15 Secondary pump (PWM) Energy efficiency index EEI ■ ≤ ≤ ≤ Control unit/PCB, outdoor unit Control unit/PCB, indoor unit Control unit/PCB power, indoor unit 1000...
  • Page 139 Specification Specification (cont.) Type AWO/AWO-E/AWO-E-AC 201.A10 201.A13 201.A16 Sound power of outdoor unit at rated heating output (Measurements with reference to EN 12102/ EN ISO 9614-2) Weighted total sound power level dB(A) At A7 ± /W55 ± (max.) ■ dB(A) At A7 ±...

  • Page 140: Commissioning Order

    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...

  • Page 141: Declaration Of Conformity

    The product characteristics determined as system values for the product Vitocal 200-A (see technical guide) can be utilised to assess the energy consump- tion of heating and ventilation systems to DIN V 4701-10 specified by the EnEV [Germany].

  • Page 142: Keyword Index

    Keyword index Keyword index Connecting cables........17, 18, 20, 27 Air discharge..........13, 14, 15 Connection Air intake............13, 14, 15 – Cooling circuit............26 Air short circuit............12 – Electric..............27 Air vent valve, secondary circuit......78, 80 – Electrical components..........27 Ambient temperatures..........24 –...
  • Page 143 Keyword index Keyword index (cont.) Electronic expansion valve........78, 80 Heat pump control unit Energy meter..............41 – Power cable............27 Evaporator............78, 79 High limit safety cut-out........73, 76 Evaporator temperature sensor......78, 80 High pressure fault............. 12 Expansion PCB............36 High pressure switch..........80 Expansion vessel............
  • Page 144 Keyword index Keyword index (cont.) Minimum clearances – Heat pump cascade..........14 Parameter group selection......... 63 – Indoor unit............... 24 Parameters – Outdoor unit............13 – Cooling function............67 Mixer extension kit......... 35, 41, 65 – DHW circulation pump..........65 Modbus connection............
  • Page 145 Keyword index Keyword index (cont.) Premium tariff meter..........51, 52 Smart Grid..............72 Pressure, checking.............59 – Connection to EA1 extension........55 Product information............7 – Connection to heat pump control unit..... 55 Programming unit, opening........74 Solar DHW heating............ 68 Protective gloves............58 Sound power............ 135, 139 Pumps............
  • Page 146 Keyword index Keyword index (cont.) Wind direction.............11 Wind loads..............11...
  • Page 148 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 E-mail: info-uk@viessmann.com...

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