Viessmann VITOCAL 350-G Series Installation And Service Instructions For Contractors
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Viessmann VITOCAL 350-G Series Installation And Service Instructions For Contractors

Heat pump with electric drive, 1 and 2-stage, brine/water heat pump: 20.5 to 84.6 kw, with conversion kit to water/water heat pump: 25.4 to 104.6 kw
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Installation and service instructions
for contractors
Vitocal 350-G
Type BW/BWS 351.B20 to B42
Heat pump with electric drive, 1 and 2-stage
■
Brine/water heat pump: 20.5 to 84.6 kW
■
With conversion kit to water/water heat pump: 25.4 to 104.6 kW
VITOCAL 350-G
5855006 GB
8/2019
VIESMANN
Please keep safe.

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Summary of Contents for Viessmann VITOCAL 350-G Series

  • Page 1 VIESMANN Installation and service instructions for contractors Vitocal 350-G Type BW/BWS 351.B20 to B42 Heat pump with electric drive, 1 and 2-stage ■ Brine/water heat pump: 20.5 to 84.6 kW ■ With conversion kit to water/water heat pump: 25.4 to 104.6 kW VITOCAL 350-G Please keep safe.

  • Page 2: Safety Instructions

    Safety instructions Safety instructions Please follow these safety instruc- tions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Please note This symbol warns against the risk of material losses and environmen- tal pollution.
  • Page 3 Safety instructions Safety instructions (cont.) Safety instructions for working on the system Working on the system Please note Electronic assemblies can be dam- Isolate the system from the power sup- ■ aged by electrostatic discharge. ply, e.g. by removing the separate fuse Prior to commencing work, touch or by means of a mains isolator, and earthed objects such as heating or...

  • Page 4: Repair Work

    Replace faulty components only Before, during and after the work, ■ with genuine Viessmann spare check the surrounding area for escap- parts. ing refrigerant using a suitable refriger- Auxiliary components, spare and ant detector.
  • Page 5 Opening the casing door ................ 64 Overview of internal components ............65 Draining the heat pump on the primary/secondary side ......66 Checking the sensors ................66 Viessmann NTC 10 k (blue marking) ..........67 Ω ■ Viessmann Pt500A (green marking) ........... 68 ■...
  • Page 6 Index Index (cont.) Checking MCBs/fuses ................68 The appliance is too noisy ..............69 Condensation and moisture in the heat pump module ......69 Removing the heat pump module ............70 Installing the heat pump module ............72 6. Commissioning/service Hydraulic parameter report ..............

  • Page 7: Disposal Of Packaging

    Information Disposal of packaging Please dispose of packaging waste in line with statu- tory regulations. Symbols The steps in connection with commissioning, inspec- Symbol Meaning tion and maintenance are found in the "Commission- Reference to other document containing ing, inspection and maintenance" section and identified further information as follows: Step in a diagram:...

  • Page 8: Product Information

    Information Intended use (cont.) Incorrect usage or operation of the appliance (e.g. the Note appliance being opened by the system user) is prohibi- The appliance is intended exclusively for domestic or ted and will result in an exclusion of liability. Incorrect semi-domestic use, i.e.

  • Page 9: System Examples

    2. return temperature sensors are installed in the primary circuit on the shared flow and return. System examples Available system examples: See www.viessmann- schemes.com. Spare parts lists Information about spare parts can be found on the...
  • Page 10 Preparing for installation Requirements regarding on-site connections 1-stage: Type BW 351.B < 42 V 230 V~ 400 V~ < 42 V 230 V~ 400 V~ Fig. 1 Secondary circuit return Secondary circuit flow Primary circuit flow (heat pump brine inlet) Primary circuit return (heat pump brine outlet)

  • Page 11: Requirements Regarding On-Site Connections

    Preparing for installation Requirements regarding on-site connections (cont.) 2-stage: Type BW 351.B + BWS 351.B < 42 V 230 V~ < 42 V 230 V~ 400 V~ 400 V~ < 42 V 230 V~ < 42 V 230 V~ 400 V~ 400 V~ Fig.

  • Page 12: Installation Room Requirements

    Preparing for installation Siting and transport requirements (cont.) Please note Please note Impacts, compression and tensile loads can Tilting the compressor at a steep angle inside cause damage to the outside panels of the the heat pump can result in appliance damage. appliance.
  • Page 13 Preparing for installation Siting and transport requirements (cont.) Minimum clearances for 2-stage (type BW 351.B + Note BWS 351.B) ■ Observe clearances for installation and mainte- nance. ■ Additional strain relief clamps are required for the power cables if the clearance behind the heat pump is more than 80 mm.
  • Page 14 Installation sequence Positioning the heat pump Position the heat pump according to the details on page 11. Levelling the heat pump Note If the adjustable feet are used to compensate for an uneven floor (max. 10 mm), the pressure load on the feet must be distributed evenly.

  • Page 15: Positioning The Heat Pump

    Installation sequence Positioning the heat pump (cont.) Removing the transport brackets Please note Operating the appliance without first removing the transport brackets will cause vibrations and excessive noise. Undo the transport brackets and secure them to the base support. Fig. 6...

  • Page 16: Removing The Top Panel

    Installation sequence Positioning the heat pump (cont.) Removing the top panel Fig. 7 Making the hydraulic connections For arrangement of hydraulic connections: See ■ page 10. ■ Make the hydraulic connections between the two heat pumps above the heat pumps (on site). ■...

  • Page 17: Connecting The Secondary Circuit

    The components and lines used must be resist- 5. Charge the primary circuit with Viessmann heat ant to the heat transfer medium. Never use zinc- transfer medium and vent. plated/galvanised pipes.

  • Page 18: Preparing The Electrical Connections

    Installation sequence Making the hydraulic connections (cont.) 2. Connect secondary lines to the heat pump 3. Fill and vent secondary circuit. 54 mm). Observe additional information regarding filling and 7 ≥ venting: See page 51. Please note Mechanically loaded hydraulic connections 4.
  • Page 19 Installation sequence Electrical connection (cont.) Recommended power cables Power supply Cable Max. cable length Compressor 400 V~ Type BW/BWS 351.B20 50 m 5 x 2.5 mm Type BW/BWS 351.B27 50 m 5 x 4.0 mm Type BW/BWS 351.B33 50 m 5 x 4.0 mm Type BW/BWS 351.B42 50 m...
  • Page 20 Installation sequence Electrical connection (cont.) [XÖ Fig. 9 Routing cables to the wiring chamber When routing the on-site power cables, observe the location of the cable entries into the appliance through its back panel: See page 10.
  • Page 21 Installation sequence Electrical connection (cont.) <42 V 230 V 400 V Fig. 10 1. Route LV leads through the "< 42 V" opening to the 3. Route the compressor power cable through the terminal area of the heat pump control unit. Pro- "400 V"...
  • Page 22 Installation sequence Electrical connection (cont.) Making the electrical connection of heat pump stage 1 (type BW 351.B) and stage 2 (type BWS 351.B) < 42 V 230 V~ < 42 V 230 V~ [C-Ö Fig. 11 Wiring chamber, heat pump stage 2 (type BWS) 230 V~ connecting cables: LV <...
  • Page 23 Installation sequence Electrical connection (cont.) Overview of electrical connections in the heat pump control unit (type BW 351.B) 193C 193A 193B Fig. 12 Cross connect PCB: See page 31. Main PCB: See page 23. F1 Fuse 6.3 A (slow) F3 Fuse 6.3 A (slow) Expansion PCB on main PCB: See page 27.
  • Page 24 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 211.1 Primary pump (heat pump stage 1 Connection values ■ or shared primary pump) Output: 200 W ■ Control of well pump Voltage: 230 V~ ■ ■ Max. switching current: 4(2) A ■...
  • Page 25 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 26 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 27 Installation sequence Electrical connection (cont.) Expansion PCB on 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 51 onwards. ■ load. ■ The total output of all components connected directly to the heat pump control unit (e.g.
  • Page 28 Installation sequence Electrical connection (cont.) High limit safety cut-out for heat pump in conjunc- tion with external heat generator X3.1 222.3 222.4 X2.N Fig. 16 Terminals on extension PCB Connect jumper across X3.1 and 222.3. Connection on external heat generator to terminals for "External demand"...
  • Page 29 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 224.2 Primary pump for heat pump stage 2 Connection values Output: 200 W ■ Voltage: 230 V~ ■ Max. switching current: 4(2) A ■ 224.3 Secondary pump for heat pump Connection values stage 2 Output: 130 W ■...
  • Page 30 Installation sequence Electrical connection (cont.) Control and power circuit of the instantaneous Immersion heater EHE 400 V~ heating water heater 224.7 X2.N 211.3 224.4 X2.N Fig. 19 Fig. 18 Immersion heater EHE, power supply 3/N/PE Instantaneous heating water heater 400 V/50 Hz Connection to the main PCB and expansion PCB Terminals of the heat pump control unit 211.3 stage 1...
  • Page 31 Installation sequence Electrical connection (cont.) Cross connect PCB (message and safety connections) Set the required parameters during commissioning: See page 51 onwards. Terminals Function Explanation Fuse 6.3 A (slow) Note Observe the total load 1000 W of all connected compo- nents.
  • Page 32 Installation sequence Electrical connection (cont.) Terminals Function Explanation Note No parameters need to be set ■ No jumper should be installed if a power-OFF contact ■ is connected. The compressor is "forced" off as soon as the contact ■ opens. The power-OFF signal switches off the power supply ■...
  • Page 33 Modbus 1 Viessmann appliances, e.g. ventilation unit Vitovent 300-F Note If further Viessmann appliances are to be connected to Modbus 1, plug in the Modbus distributor (accessories): See "Modbus distributor" installation in- structions. Connection, LON communication module (accessories): See installation in- structions "LON communication module".
  • Page 34 Installation sequence Electrical connection (cont.) Plug Sensor Type PWM signal, primary pump a:DA PWM signal, secondary pump a:DB PWM signal, circulation pump for cylinder heating a:DC Note Flow temperature sensor for heating circuit with mixer M3/HC3: The flow temperature sensor for one heating circuit with mixer M3/HC3 is connected to the mixer extension kit (accessories).

  • Page 35: Swimming Pool Heating

    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. 21. ■ A filter circuit pump cannot be controlled via the heat pump control unit.
  • Page 36 Installation sequence Power supply (cont.) Danger When using power generated on site (use of power ■ The absence of system component earthing can generated by the PV system to meet own require- lead to serious injury from electrical current and ments): component damage in the event of an electrical During the power-OFF period, it is not possible to...
  • Page 37 Installation sequence Power supply (cont.) Compressor power supply 400 V~ Economy tariff and power-OFF can be used ■ No parameters need to be set when using economy ■ tariff with power-OFF. The compressor is shut down 3/N/PE 400 V/50 Hz during the power-OFF time.
  • Page 38 Installation sequence Power supply (cont.) 1-stage (type BW 351.B) X3.7 X3.6 ≈ Fig. 24 Shown without fuses and RCDs Heat pump control unit (connection on cross con- Ripple control receiver (contact open: Power-OFF nect PCB) enabled) Instantaneous heating water heater (if installed) Backup fuse, ripple control receiver Compressor Feed: TNC system...
  • Page 39 Installation sequence Power supply (cont.) 2-stage (type BW 351.B + BWS 351.B) X3.7 X3.6 ≈ Fig. 25 Shown without fuses and RCDs Heat pump control unit (connection on cross con- Backup fuse, ripple control receiver nect PCB) Feed: TNC system Instantaneous heating water heater (if installed) Economy tariff meter Compressor, heat pump stage 1 (type BW 351.B)
  • Page 40 Installation sequence Power supply (cont.) 1-stage (type BW 351.B) X3.7 X3.6 ≈ Fig. 26 Shown without fuses and RCDs Heat pump control unit (connection on cross con- Premium tariff meter nect PCB) Ripple control receiver (contact open: Power-OFF Instantaneous heating water heater (if installed) enabled) with backup fuse Compressor Economy tariff meter...
  • Page 41 Installation sequence Power supply (cont.) 2-stage (type BW 351.B + BWS 351.B) X3.7 X3.6 ≈ Fig. 27 Shown without fuses and RCDs Heat pump control unit (connection on cross con- Premium tariff meter nect PCB) Ripple control receiver (contact open: Power-OFF Instantaneous heating water heater (if installed) enabled) with backup fuse Compressor, heat pump stage 1 (type BW 351.B)
  • Page 42 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. 28 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 43 Installation sequence Power supply (cont.) Connection to EA1 extension Condition: "Enable Smart Grid 7E80" must be at "1". [{{] 0-10V Fig. 29 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 44 Installation sequence Power supply (cont.) Phase monitor (if installed) The phase monitor monitors the compressor power LEDs explained in Fig. 31 ■ supply. "Rel" illuminates green: ■ ■ If the internal tolerance range is exceeded or under- All voltages and the rotating field (clockwise) are OK. shot, the phase monitor interrupts the safety chain ■...

  • Page 45: Closing The Heat Pump

    Installation sequence Power supply (cont.) Version 3 LEDs explained in Fig. 33 Voltage "Un": ■ Illuminates green if voltage is present. Relay "R": ■ Illuminates yellow if the phase sequence is cor- rect. L1, L2, L3 Does not illuminate if the phase sequence is ■...
  • Page 46 Installation sequence Closing the heat pump (cont.) Danger The absence of system component earthing can lead to serious injury from electrical current and component damage in the event of an electrical fault. All earth conductor connections must be recon- nected. The appliance and pipework must be connected to the equipotential bonding of the building.
  • Page 47 Installation sequence Closing the heat pump (cont.) Fig. 35...
  • Page 48 Installation sequence Checking the diaphragm grommets Please note If the casing is not securely closed, this can lead to damage from condensation, vibrations and excessive noise. ■ Seal the appliance so it is soundproof and dif- fusion-proof. Ensure the diaphragm grommets at the hose ■...

  • Page 49: Opening The Heat Pump

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • • 1. Opening the heat pump..................... 49 • 2. Compiling reports......................50 • • • 3. Checking the refrigerant circuit for leaks................ 50 •...

  • Page 50: Compiling Reports

    Have your heat pump checked over by a refrigeration engineer. Filling and venting the primary side Please note 2. Charge the primary circuit with Viessmann heat Commissioning when the primary circuit is transfer medium and vent. empty causes appliance damage.

  • Page 51: Filling And Venting The Secondary Side

    Commissioning, inspection, maintenance Filling and venting the primary side (cont.) 3. Check the connections for possible leaks. Replace faulty or displaced gaskets. Filling and venting the secondary side Unsuitable fill and top-up water increases the level of ■ Flush the heating system thoroughly before filling. deposits and corrosion.
  • Page 52 Commissioning, inspection, maintenance Commissioning the system (cont.) Commissioning with the commissioning assistant The commissioning assistant automatically guides you Switch ON the ON/OFF switch on the control unit. through all the menus where settings have to be made. The prompt "Start commissioning?" appears auto- ■...
  • Page 53 Commissioning, inspection, maintenance Commissioning the system (cont.) Select language Date/time Time Date setting setting setting Commissioning start? Check Secondary circuit "Secondary circuit filled" filled? Instantaneous heating Instantaneous heating water heater enable water heater blocked Code Parameter group Parameter level 1 select setting Temperature...
  • Page 54 Commissioning, inspection, maintenance Commissioning the system (cont.) Setting parameters using "System scheme 7000" Alternatively, if the service menu was already active: as an example Extended menu: To set a parameter, first select the parameter group and then the parameter. å Service menu: 2.
  • Page 55 Energy meter — Ventilation unit — X Component selected For detailed information on system examples: See Component can be added www.viessmann-schemes.com. Parameters for circulation pumps and other components Heating circuit pump Parameter Setting "System definition" Ó "System scheme 7000"...
  • Page 56 Commissioning, inspection, maintenance Commissioning the system (cont.) Remote control for heating/cooling circuit or Vitocomfort 200 Parameter Setting "Heating circuit 1"/"Heating circuit 2"/"Heating circuit 3" Ó "Remote control 2003" "1" "Remote control 3003" Note To assign a heating circuit, set the "Remote control 4003"...
  • Page 57 Commissioning, inspection, maintenance Commissioning the system (cont.) External changeover of the operating status of various system components Parameter Setting "System definition" Ó "System components for external changeover 7011" "0" to "127" "Operating status for external changeover 7012" "0" to "3" "Duration of external changeover 7013"...
  • Page 58 Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for solar DHW heating Parameters in conjunction with solar control module type SM1 Setting "Solar" Ó "Type solar control unit 7A00" "3" Parameter C0xx See installation and service instruc- tions for "Solar control module, type SM1".
  • Page 59 Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for swimming pool water heating Parameter Setting "System definition" Ó "External extension 7010" "1" or "3" "Swimming pool 7008" "1" Parameters for ice store system Parameter Setting "System definition" Ó "Select primary source 7030" "1"...
  • Page 60 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 61 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 62 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 63: Checking The System Function

    Commissioning, inspection, maintenance Commissioning the system (cont.) Parameter 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 64 Maintenance Overview of wiring chamber Type BW 351.B Type BWS 351.B Fig. 40 Fig. 39 Transformer, EEV PCB EEV PCB (refrigerant circuit controller) Transformer, EEV PCB Compressor contactors, starter control, phase EEV PCB (refrigerant circuit controller) monitor Compressor contactors, starter control, phase Cable channel monitor Compressor power supply...

  • Page 65: Overview Of Internal Components

    Maintenance Overview of internal components Fig. 41 Flow temperature sensor, primary circuit (heat Suction gas temperature sensor pump brine inlet) Low pressure sensor Evaporator Solenoid valve, vapour injection Secondary circuit flow temperature sensor Return temperature sensor, primary circuit (heat Condenser pump brine outlet) Safety high pressure switch Liquid gas temperature sensor...

  • Page 66: Checking The Sensors

    Maintenance Draining the heat pump on the primary/secondary side 1. Shut off the connection to the heating network. 2. Drain the heat pump at the primary/secondary side drain valve: See page 65. Checking the sensors For sensor connections to the controller and sensor For the position of the sensors in the heat pump: See PCB: See page 33.
  • Page 67 Maintenance Checking the sensors (cont.) 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 ϑ...
  • Page 68 Maintenance Checking the sensors (cont.) Viessmann Pt500A (green marking) / °C / °C R / / °C R / / °C R / / °C R / / °C R / ϑ Ω ϑ Ω ϑ Ω ϑ Ω ϑ...
  • Page 69 Maintenance Checking MCBs/fuses (cont.) Danger Removing the fuse does not switch the power circuit to zero volt. Contact with 'live' compo- nents can lead to serious injury from electric cur- rent. Before working on the equipment, always ensure that the power circuit is also at zero volt.
  • Page 70 Maintenance Removing the heat pump module Please note 4. Drain the primary and secondary sides: For drain Impacts, compression and tensile loads can valves, see page 65. cause damage to the outside panels of the appliance. Please note Never apply loads/weight to the top, front or Steep tilting of the compressor in the heat pump side panels of the appliance.

  • Page 71: Removing The Heat Pump Module

    Maintenance Removing the heat pump module (cont.) Fig. 43 6. Mark the plug-in and threaded connections that 8. Note belong together. To stabilise the heat pump module on its support, it Disconnect all electrical connections. may be necessary to attach the transport bracket: See page 15.
  • Page 72 Maintenance Installing the heat pump module Install in reverse order to removal. Please note If the casing is not securely sealed, this can lead to damage from condensate, vibrations and excessive noise. Seal the casing door so it is soundproof and ■...

  • Page 73: Hydraulic Parameter Report

    Commissioning/service reports Hydraulic parameter report Settings and test values Set value Commissioning Maintenance/ service Frost protection (brine medium) °C – Testing the external heating circuit pumps Circulation pump type Circulation pump stage Overflow valve setting Primary circuit commissioning Primary circuit flow temperature °C ("Diagnosis"...
  • Page 74 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ Service Runtime balance cascade 700D Output control strategy, cascade 700F 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/ 7014...
  • Page 75 Commissioning/service reports Control parameter report (cont.) Compressor 2 Parameter Code Delivered condition Commission- Maintenance/ service Enable compressor 5100 Enable use of compressor stage 5112 Primary source output 5143 Output compressor stage 5130 Rated heating output according to type plate External heat generator Parameter Code Delivered condition Commission-...
  • Page 76 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 77 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 78 Commissioning/service reports Control parameter report (cont.) Heating water buffer cylinder Parameters Code Delivered condition Commission- Maintenance/ service "Enable buffer cylinder/low loss header" 7200 ≙ "Temp in operating status fixed value for 7202 500 ( 50 °C) buffer cyl" ≙ "Hysteresis temperature heating buffer 7203 50 ( 5 K)
  • Page 79 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 160 ( 16 °C) "Remote control" 4003 Room temperature control 4005 ≙...

  • Page 80: Maintenance & Service

    Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Flow rate nominal ventilation 7D0B Vitovent 200-C: ■ 115 m Vitovent 300-F: ■ 170 m Flow rate intensive ventilation 7D0C Vitovent 200-C: ■ 155 m Vitovent 300-F: ■...
  • Page 81 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Reduced ventilation C10A Vitovent 200-W: ■ 25 % Vitovent 300-C: ■ 75 m Vitovent 300-W: ■ 100 m Standard ventilation C10B Vitovent 200-W: ■ 50 % Vitovent 300-C: ■...
  • Page 82 Commissioning/service reports Control parameter report (cont.) Photovoltaics Parameter Code Factory setting Commission- Maintenance/ service "Enable own energy consumption PV" 7E00 ≙ "Prop. of external current" 7E02 10 ( 10 %) ≙ "Threshold for electrical power" 7E04 0 W) "Enable own energy consumptn for set 7E10 DHW temperature 2"...
  • Page 83 Commissioning/service reports Control parameter report (cont.) Communication Parameter Code Delivered condition Commission- Maintenance/ Service "Number of heat pump in cascade" 7707 "Enable LON communication module" 7710 "LON subscriber number" 7777 "LON fault manager" 7779 "LON system number" 7798 "Interval for data transfer via LON" 779C 20 min "Source outside temperature"...
  • Page 84 Specification Specification for brine/water heat pumps Type BW/BWS 351.B20 351.B27 351.B33 351.B42 Performance data to EN 14511 (B0/W35, 5 K spread) Rated heating output 20.5 28.7 32.7 42.3 Cooling capacity 16.4 23.0 26.3 33.6 Power consumption 4.30 5.90 6.50 8.70 Coefficient of performance (COP) 4.80 4.90...

  • Page 85: Specification

    Specification Specification for brine/water heat pumps (cont.) Type BW/BWS 351.B20 351.B27 351.B33 351.B42 Refrigerant circuit Refrigerant R410A R410A R410A R410A Refrigerant charge ■ Global warming potential (GWP) 1924 1924 1924 1924 ■ equivalent 10.2 13.5 16.5 16.7 ■ Permiss. operating pressure, high pressure side Permiss.
  • Page 86 Specification Specification for brine/water heat pumps (cont.) Type BW/BWS 351.B20 351.B27 351.B33 351.B42 Performance data as per EU Regulation no. 813/2013 (average climatic conditions) Low temperature applications (W35) Energy efficiency η ■ Rated heating output P ■ rated Seasonal coefficient of performance (SCOP) 5.10 5.28 5.53...

  • Page 87: 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 88 Certificates Declaration of conformity We, Viessmann Werke GmbH & Co. KG, D-35107 Using the serial number, the full Declaration of Con- Allendorf, declare as sole responsible body that the formity can be found on the following website: named product complies with the European directives www.viessmann.co.uk/eu-conformity...
  • Page 89 Keyword index Keyword index Dimensions..............10 Adjustable feet............14 Draining, secondary side..........66 AM1 extension............33 Drain valve Ambient temperatures..........12 – Primary side............65 Appliance MCBs/fuses..........68 – Secondary side............65 Appliance too noisy............ 69 Application..............7 EA1 extension............33 Economy tariff meter........ 38, 39, 40, 41 Base support..............
  • Page 90 Keyword index Keyword index (cont.) Heating circuit pump..........55 Noise..........15, 45, 48, 69, 72 – Parameters..............55 Noise level..............69 Heat pump Non-return valves, opening........51 – Checking for noise..........63 – Closing..............45 – Positioning...............14 ON/OFF switch.............49, 52 – Siting............... 11 On-site power consumption........
  • Page 91 Keyword index Keyword index (cont.) Power supply............35, 44 Secondary pump............34 – Compressor..........36, 37, 64 – Parameters..............55 – Heat pump control unit..........36 Sensors..............65 – Regulations............. 35 – Checking..............66 Power supply with power-OFF – Refrigerant circuit............ 66 – With on-site load disconnect........39 Service menu –...

  • Page 92: Keyword Index

    Wiring chamber............64 Venting – Primary side............50 – Secondary side............51 Vitocom 100............... 56 Vitocomfort 200............56 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...

This manual is also suitable for:

Vitocal 350-g bw 351.b20Vitocal 350-g bw 351.b27Vitocal 350-g bw 351.b33Vitocal 350-g bw 351.b42Vitocal 350-g bws 351.b20Vitocal 350-g bws 351.b27 ... Show all

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