Viessmann Vitocal 300-G Series Installation And Service Instructions Manual
  1. Manuals
  2. Brands
  3. Viessmann Manuals
  4. Heat Pump
  5. VITOCAL 300-G
  6. Installation and service instructions manual

Viessmann Vitocal 300-G Series Installation And Service Instructions Manual

Heat pump with electric drive
Hide thumbs Also See for Vitocal 300-G Series:
Table of Contents

Advertisement

Quick Links

Installation and service instructions
for contractors
Vitocal 300-G
Type BW/BWS 301.A21 to A45
Heat pump with electric drive, 1- and 2-stage
■
Brine/water heat pump: 21.2 to 85.6 kW
■
With conversion kit to water/water heat pump: 28.1 to 117.8 kW
VITOCAL 300-G
5546256 GB
9/2018
VIESMANN
Please keep safe.

Advertisement

Table of Contents
loading

Related Manuals for Viessmann Vitocal 300-G Series

Summary of Contents for Viessmann Vitocal 300-G Series

  • Page 1 VIESMANN Installation and service instructions for contractors Vitocal 300-G Type BW/BWS 301.A21 to A45 Heat pump with electric drive, 1- and 2-stage ■ Brine/water heat pump: 21.2 to 85.6 kW ■ With conversion kit to water/water heat pump: 28.1 to 117.8 kW VITOCAL 300-G Please keep safe.
  • Page 2 Safeguard the system against reconnection. ■ Wear suitable personal protective equipment when Please note ■ carrying out any work. Repairing components that fulfil a safety func- tion can compromise the safe operation of the system. Replace faulty components only with genuine Viessmann spare parts.
  • Page 3 For replacements, use only original spare parts supplied or approved by Viessmann. Safety instructions for operating the system What to do if water escapes from the appliance Danger...

  • Page 4: Table Of Contents

    Type BWS 301.A ................63 ■ Opening the casing door ................ 63 Overview of internal components ............64 Draining the heat pump on the primary/secondary side ......64 Checking the sensors ................64 Viessmann NTC 10 k (blue marking) ..........66 Ω ■...
  • Page 5 Index Index (cont.) Viessmann Pt500A (green marking) ........... 67 ■ Checking fuses ..................67 Appliance too noisy ................68 Condensation and humidity in the heat pump module ......68 Removing the heat pump module ............69 Installing the heat pump module ............71 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

    Information Intended use (cont.) The range of functions can be extended with additional Incorrect usage or operation of the appliance (e.g. the components and accessories. appliance being opened by the system user) is prohibi- ted and will result in an exclusion of liability. Incorrect Intended use presupposes that a fixed installation in usage also occurs if the components in the heating conjunction with permissible, system-specific compo-...

  • Page 8: System Examples

    Irrespective of this, the flow and 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.

  • Page 9: Requirements Regarding On-Site Connections

    Preparing for installation Requirements regarding on-site connections 1-stage: Type BW 301.A Secondary circuit return <42 V 230 V~ Secondary circuit flow 400 V~ Primary circuit flow (heat pump brine in- let) Primary circuit return (heat pump brine outlet) <42 V 230 V~ 400 V~ Fig.

  • Page 10: 2-Stage: Type Bw 301.A + Bws 301.A

    Preparing for installation Requirements regarding on-site connections (cont.) 2-stage: Type BW 301.A + BWS 301.A < 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 11: Siting And Transport Requirements

    Preparing for installation Siting and transport requirements Transport For handling purposes, the heat pump module can be Please note removed: See page 69. Tilting the compressor at a steep angle inside the heat pump can result in appliance damage. Please note Max.
  • Page 12 Preparing for installation Siting and transport requirements (cont.) Minimum clearances for 2-stage (type BW 301.A + Note BWS 301.A) ■ 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 13: Positioning The Heat Pump

    Installation sequence Positioning the heat pump Position the heat pump according to the details on page 11. Levelling the heat pump Fig. 5 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 14: Removing The Top Panel

    Installation sequence Positioning the heat pump (cont.) Fig. 6 Removing the top panel Fig. 7...

  • Page 15: Making The Hydraulic Connections

    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 16: Connecting The Secondary Circuit

    Installation sequence Making the hydraulic connections (cont.) Connecting the secondary circuit 1. Equip the secondary circuit on site with an expan- 3. Fill and vent secondary circuit. sion vessel and safety assembly (in accordance Observe additional information regarding filling and with DIN 4757).

  • Page 17: Installing The Programming Unit (Type Bw 301.A)

    Installation sequence Electrical connection (cont.) Required cable lengths in the heat pump plus distance to wall Type BW 301.A BWS 301.A Heat pump control unit power supply 230 V~ 1.0 m — Compressor power supply 400 V~ 1.0 m 1.0 m Additional connecting cables 1.5 m —...

  • Page 18: Routing Cables To The Wiring Chamber

    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 entry into the appliance through its back panel: See page 9.
  • Page 19 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 20: Make The Electrical Connection Of Heat Pump Stage 1 (Type Bw 301.A) And Stage 2 (Type Bws 301.A)

    Installation sequence Electrical connection (cont.) Make the electrical connection of heat pump stage 1 (type BW 301.A) and stage 2 (type BWS 301.A) < 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 21: Overview Of Electrical Connections In The Heat Pump Control Unit (Type Bw 301.A)

    Installation sequence Electrical connection (cont.) Overview of electrical connections in the heat pump control unit (type BW 301.A) 193C 193A 193B Fig. 12 Cross connect PCB: See page 28. Main PCB: See page 21. F1 Fuse 6.3 A (slow) F3 Fuse 6.3 A (slow) Expansion PCB on main PCB: See page 25.
  • Page 22 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 23 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 24 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 25: Expansion Pcb On Main Pcb (230 V~ Components)

    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 50 onwards. ■ load. ■ The total output of all components connected directly to the heat pump control unit (e.g.
  • Page 26 Installation sequence Electrical connection (cont.) High limit safety cut-out for heat pump in conjunc- tion with an external heat source X3.1 222.3 222.4 X2.N Fig. 16 Terminals on extension PCB Move jumper from X3.1 to 222.3 Connection on the external heat source at termi- nals for external demand High limit safety cut-out (max.
  • Page 27 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 28: Cross Connect Pcb (Message And Safety Connections)

    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 29 Installation sequence Electrical connection (cont.) Terminals Function Explanation Fuse 6.3 A (slow) Note Observe the total load 1000 W of all connected compo- nents. Earth conductor X1. Terminals for earth conductor of all associated system components Neutral conductor X2.N Terminals for neutral conductor of all associated sys- tem components Power supply terminals of control Terminals for signal and safety connections...
  • Page 30 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 31: Controller And Sensor Pcb (Sensors)

    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 32: Connecting The Primary Circuit Flow/Return Temperature Sensor, 2-Stage Heat Pump

    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 33: 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 34: Heat Pump Control Unit Power Supply 230 V

    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 35: Compressor Power Supply (400 V~)

    Installation sequence Power supply (cont.) Compressor power supply (400 V~) Economy tariff and power-OFF can be applied. ■ No parameters need to be set when using economy ■ tariffs with power-OFF facility. The compressor is 3/N/PE 400 V/50 Hz shut down during the power-OFF time. Fig.
  • Page 36 Installation sequence Power supply (cont.) 1-stage (type BW 301.A) X3.7 X3.6 ≈ Fig. 24 Diagram excluding 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 37: Power Supply With Power-Off: With On-Site Load Disconnect

    Installation sequence Power supply (cont.) 2-stage (type BW 301.A + BWS 301.A) X3.7 X3.6 ≈ Fig. 25 Diagram excluding 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 301.A)
  • Page 38 Installation sequence Power supply (cont.) 1-stage (type BW 301.A) X3.7 X3.6 ≈ Fig. 26 Diagram excluding 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 39 Installation sequence Power supply (cont.) 2-stage (type BW 301.A + BWS 301.A) X3.7 X3.6 ≈ Fig. 27 Diagram excluding 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 301.A)

  • Page 40: 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. 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 41 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 42: Phase Monitor (If Installed)

    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 43: Make Connections At Terminals X3.8/X3.9

    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 44 Installation sequence Closing the heat pump (cont.) 8. 2. Fig. 34...
  • Page 45 Installation sequence Closing the heat pump (cont.) Fig. 35...

  • Page 46: Checking The Diaphragm Grommets

    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 47: 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..................... 48 • 2. Compiling reports......................48 • • • 3. Checking the refrigerant circuit for leaks................ 48 •...

  • Page 48: 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 installation ous injury from electric current. can lead to appliance damage. ■ Never touch wiring chambers: For heat pump Wait at least 30 min between installing and control unit and power supplies, see page 21.

  • Page 49: Filling And Venting On The Primary Side

    Charge and vent the primary circuit before con- necting the power supply. 1. Check the pre-charge pressure of the expansion vessel. 2. Charge the primary circuit with Viessmann heat transfer medium and vent. Note Ensure frost protection down to 19 °C.

  • Page 50: 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 51 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 52 Coolant buffer cylinder — Ice store and solar air ab- sorber Energy meter — Ventilation unit — X Component selected For detailed information on system examples: See Component can be added www.viessmann-schemes.com. Only in conjunction with a heating water buffer cylinder.
  • Page 53 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 A1/HC1 without ■ mixer With heating circuit M2/HC2 with ■ mixer With heating circuit M3/HC3 with ■...
  • Page 54 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 55 Commissioning, inspection, maintenance Commissioning the system (cont.) External blocking of the compressor; mixer in control mode or CLOSED Parameter Setting "System definition" Ó "Effect of ext. blocking on heat pump/heating circuits 7015" "0" to "8" "Effect of external blocking on pumps/compressor 701A" "0"...
  • Page 56 Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for instantaneous heating water heater Parameter Setting "Electr booster heater" Ó "Enable instantaneous heating water heater 7900" "1" "Output for instant. heating water heater at power-OFF 790A" "1" 3 kW "2" 6 kW "3"...
  • Page 57 Commissioning, inspection, maintenance Commissioning the system (cont.) Possibly set additional parameters. Parameter Setting "System definition" Ó ≙ "Start hysteresis solar air absorber 7031" "0" to "500" ( 0 to 50 K) "Min. runtime to suppress summer mode 7035" "0" to "1440" min "Last calendar week for summer mode 7036"...
  • Page 58 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 59 Commissioning, inspection, maintenance Commissioning the system (cont.) Enable required functions for utilisation of power generated on site Parameter Setting "Photovoltaics" Ó "Enable own energy consumption for set DHW temperature 2 "1" 7E10" "Enable own energy consumption for DHW heating 7E11" "1"...

  • Page 60: Closing The Heat Pump

    Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for heat pump cascade Parameter Setting Lead heat pump Lag heat pump "Compressor" Ó "Enable use of compressor stage 5012" "0" to "15" — "System definition" Ó "System scheme 7000" "0" to "10" "11"...

  • Page 61: Checking The System Function

    Commissioning, inspection, maintenance Checking the system function Check the function of all system components: See 4. Start the required function, e.g. "DHW". Only those ■ "Function check". functions are shown that correspond to the actual ■ Call up temperatures at the heat pump control unit. system equipment level.

  • Page 62: Overview Of Wiring Chamber

    Maintenance Overview of wiring chamber Type BW 301.A Fig. 39 Transformer, EEV PCB EEV PCB (refrigerant circuit controller) Compressor contactors, starter control, three- phase monitor Cable channel Compressor power supply Cross connect PCB Main PCB Expansion PCB on main PCB Controller and sensor PCB Programming unit...

  • Page 63: Type Bws 301.A

    Maintenance Overview of wiring chamber (cont.) Type BWS 301.A Fig. 40 Transformer, EEV PCB EEV PCB (refrigerant circuit controller) Compressor contactors, starter control, three- phase monitor Cable channel Compressor power supply Plug for connecting cable, heat pump stage 1 – stage 2 230 V~ Plug for connecting cable, heat pump stage 1 –...

  • Page 64: Overview Of Internal Components

    Maintenance Overview of internal components Fig. 41 Compressor Secondary circuit return Secondary circuit return temperature sensor Drain valve on the secondary side Secondary circuit flow Sight glass Electronic expansion valve EEV Primary circuit flow (heat pump brine inlet) Drain valve, primary side Filter dryer Primary circuit return (heat pump brine out- Primary circuit return temperature sensor (heat...
  • Page 65 Maintenance Checking the sensors (cont.) Sensor Test element Outside temperature sensor (F0) NTC 10 k Ω ■ Buffer temperature sensor (F4) ■ Cylinder temperature sensor, top (F6) ■ Cylinder temperature sensor, bottom (F7) ■ Flow temperature sensor, heating circuit with mixer M2/HC2 (F12) ■...

  • Page 66: Viessmann Ntc 10 K Ω

    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 67: Viessmann Pt500A (Green Marking)

    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 68: Appliance Too Noisy

    Maintenance Checking 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 69: Removing The Heat Pump Module

    Maintenance Removing the heat pump module Please note Impacts, compression and tensile loads can cause damage to the outside panels of the appliance. Never apply loads/weight to the top, front or side panels of the appliance. [{{] U/V/W Fig. 42 Casing door 4.
  • Page 70 Maintenance Removing the heat pump module (cont.) Fig. 43 6. Mark the plug-in and threaded connections that 8. To stabilise the heat pump module on its support, belong together. screw on the transport bracket if necessary: See Disconnect all electrical connections. page 13.

  • Page 71: Installing The Heat Pump Module

    Maintenance Installing the heat pump module Install in reverse order to removal. Please note If a casing door is not securely closed this can lead to damage from condensation, vibrations and excessive noise. Seal the casing door so it is soundproof and ■...
  • Page 72 Maintenance Installing the heat pump module (cont.)

  • Page 73: Parts List Type Bw 301.A Overview Of Assemblies

    Parts list type BW 301.A Overview of 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 74: Casing

    Parts list type BW 301.A Casing 0002 0005 0004 0007 0008 0006 0003 0001 0008 Fig. 45...
  • Page 75 Parts list type BW 301.A Casing (cont.) Pos. Part 0001 Front panel 0002 Side panel, left 0003 Side panel, right 0004 Top panel, front 0005 Top panel, back 0006 Front panel support 0007 Back panel 0008 Logo 0009 Location stud M 5...

  • Page 76: Electrical Equipment

    Parts list type BW 301.A Electrical equipment 0040 0038 0007 0006 0002 0030 0039 0041 0004 0022 0003 0042 0023 0005 0001 0012 0036 0020 0009 0021 0024 0025 0026 0027 0028 0072 0025 0008 0027 0026 0057 0055 0028 0037 0072 0049...
  • Page 77 Parts list type BW 301.A Electrical equipment (cont.) Pos. Part 0001 Programming unit, Vitotronic 200 heat pump control unit 0002 Controller and sensor PCB with cover (CU401) 0003 Base support, controller and sensor PCB (CU401) 0004 Main PCB with cover (MB761) 0005 Base support, main PCB (MB761) 0006...

  • Page 78: Heat Pump Module

    Parts list type BW 301.A Heat pump module 0032 0033 0034 0002 0008 0031 0031 0017 0012 0042 0034 0042 0042 0033 0018 0014 0022 0025 0013 0036 0034 0005 0032 0026 0028 0015 0010 0034 0034 0037 0037 0027 0042 0033 0035...
  • Page 79 Parts list type BW 301.A Heat pump module (cont.) Pos. Part 0001 Compressor 0002 Heat exchanger (evaporator) 0003 Heat exchanger (condenser) 0004 High pressure sensor (PT5-50T) 0005 Low pressure sensor (PT5-18T) 0007 Electronic expansion valve (EX5-U21) 0008 Filter dryer 0009 Safety high pressure switch 0010 Sight glass...

  • Page 80: Base Frame

    Parts list type BW 301.A Base frame 0005 0007 0008 0011 0004 0004 0010 0009 0007 0004 0012 0001 0002 0003 0006 0006 0004 0006 0001 0002 Fig. 48...
  • Page 81 Parts list type BW 301.A Base frame (cont.) Pos. Part 0001 Plinth trim, front/back 0002 Plinth trim, left/right 0003 Base plate 0004 Casing bracket (set) 0005 Support panel, heat pump control unit 0006 Adjustable foot 0007 Upper hinge section for casing door 0008 Lower hinge section for casing door 0009...

  • Page 82: Miscellaneous

    Parts list type BW 301.A Miscellaneous 0001 0002 0003 0004 0005 Fig. 49...
  • Page 83 Parts list type BW 301.A Miscellaneous (cont.) Pos. Part 0001 Touch-up spray paint, Vitosilver 0002 Touch-up paint stick, Vitosilver 0003 Installation and service instructions 0004 Service instructions for Vitotronic 200, type WO1C 0005 Operating instructions for Vitotronic 200, type WO1C...

  • Page 84: Parts List, Type Bws 301.A Overview Of Assemblies

    Parts list, type BWS 301.A Overview of 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)
  • Page 85 Parts list, type BWS 301.A Overview of assemblies (cont.)
  • Page 86 Parts list, type BWS 301.A Overview of assemblies (cont.) Fig. 50 Type plate Heat pump module assembly Casing assembly Base frame assembly Electrical equipment assembly Miscellaneous assembly...
  • Page 87 Parts list, type BWS 301.A Overview of assemblies (cont.)

  • Page 88: Casing

    Parts list, type BWS 301.A Casing 0002 0005 0004 0007 0006 0003 0001 Fig. 51...
  • Page 89 Parts list, type BWS 301.A Casing (cont.) Pos. Part 0001 Front panel 0002 Side panel, left 0003 Side panel, right 0004 Top panel, front 0005 Top panel, back 0006 Front panel support 0007 Back panel 0008 Location stud M 5...

  • Page 90: Electrical Equipment

    Parts list, type BWS 301.A Electrical equipment 0030 0009 0020 0021 0024 0025 0026 0027 0072 0008 0025 0027 0026 0055 0057 0072 0049 0054 0056 0071 0043 Fig. 52...
  • Page 91 Parts list, type BWS 301.A Electrical equipment (cont.) Pos. Part 0008 EEV PCB 0009 Full wave soft starter 0020 Cable channel 0021 Body-bound rivet 0024 Switching module, compressor 400 V~ 0025 Contactor, 3-pole 230 V~ (K3-40A00) 0026 Only for types BWS 351.B20 to B33: Contactor, 3-pole 230 V~ (K2-30A10) 0027 Thermal relay (17 to 23 A)

  • Page 92: Heat Pump Module

    Parts list, type BWS 301.A Heat pump module 0032 0033 0034 0002 0008 0031 0031 0017 0012 0042 0034 0042 0042 0033 0018 0014 0022 0025 0013 0036 0034 0005 0032 0026 0028 0015 0010 0034 0034 0037 0037 0027 0042 0033 0035...
  • Page 93 Parts list, type BWS 301.A Heat pump module (cont.) Pos. Part 0001 Compressor 0002 Heat exchanger (evaporator) 0003 Heat exchanger (condenser) 0004 High pressure sensor (PT5-50T) 0005 Low pressure sensor (PT5-18T) 0007 Electronic expansion valve (EX5-U21) 0008 Filter dryer 0009 Safety high pressure switch 0010 Sight glass...

  • Page 94: Base Frame

    Parts list, type BWS 301.A Base frame 0005 0007 0008 0011 0004 0004 0010 0009 0007 0004 0012 0001 0002 0003 0006 0006 0004 0006 0001 0002 Fig. 54...
  • Page 95 Parts list, type BWS 301.A Base frame (cont.) Pos. Part 0001 Plinth trim, front/back 0002 Plinth trim, left/right 0003 Base plate 0004 Casing bracket (set) 0005 Support panel, heat pump control unit 0006 Adjustable foot 0007 Upper hinge section for casing door 0008 Lower hinge section for casing door 0009...

  • Page 96: Miscellaneous

    Parts list, type BWS 301.A Miscellaneous 0001 0002 0003 0004 Fig. 55...
  • Page 97 Parts list, type BWS 301.A Miscellaneous (cont.) Pos. Part 0001 Touch-up spray paint, Vitosilver 0002 Touch-up paint stick, Vitosilver 0003 Installation and service instructions 0004 Service instructions for Vitotronic 200, type WO1C...

  • Page 98: Commissioning/Service Hydraulic Parameters Report

    Commissioning/service reports Hydraulic parameters report Setting and test values Setpoint Commissioning Maintenance/ Service Frost protection (brine medium) °C – Testing the external heating circuit pumps Circulation pump type Circulation pump stage Overflow valve setting Commissioning, primary circuit Primary circuit flow temperature °C ("Diagnosis"...
  • Page 99 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ Service "Use of heat pump in cascade" 700C Runtime balance cascade 700D ≙ Temperature range input 0...10 V, cooling 700E 500 ( 50 °C) mode External extension 7010 System components for external change- 7011 over...
  • Page 100 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 101 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 102 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 103 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 104 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 105 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 106 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 107 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 108 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 109: Specification Specification For Brine/Water Heat Pumps

    Specification Specification for brine/water heat pumps Type BW/BWS 301.A21 301.A29 301.A45 Performance data to EN 14511 (B0/W35, 5 K spread) Rated heating output 21.2 28.8 42.8 Cooling capacity 17.0 23.3 34.2 Power consumption 4.48 5.96 9.28 Coefficient of performance (COP) 4.73 4.83 4.60...
  • Page 110 Specification Specification for brine/water heat pumps (cont.) Type BW/BWS 301.A21 301.A29 301.A45 Refrigerant circuit Refrigerant R410A R410A R410A Refrigerant charge ■ Global warming potential (GWP) 2088 2088 2088 ■ equivalent 13.0 16.1 ■ Permiss. operating pressure, high pressure side Permiss. operating pressure, low pressure side Compressor Type Hermetically sealed scroll compressor...

  • Page 111: Specification For Water/Water Heat Pumps

    Specification Specification for brine/water heat pumps (cont.) Type BW/BWS 301.A21 301.A29 301.A45 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) 5.23 5.48 5.18...

  • Page 112: Appendix 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 113: Certificates Declaration Of Conformity

    Certificates Declaration of conformity We, Viessmann Werke GmbH & Co. KG, D-35107 Conformity has been verified with the CE designation. Allendorf, declare as sole responsible body that the Using the serial number, the full Declaration of Con- named product complies with the European directives...

  • Page 114: Keyword Index

    Keyword index Keyword index Cylinder loading pump Adjustable feet............13 – Parameters..............53 AM1 extension............31 Cylinder temperature sensor........31, 65 Ambient temperatures..........11 Appliance fuses............67 Appliance too noisy............ 68 DHW circulation pump..........53 Assembly Diaphragm grommets.......15, 16, 46, 71 – Control unit and electrical equipment......90 –...
  • Page 115 Keyword index Keyword index (cont.) Outside temperature sensor.........31, 65 Heating circuit pump..........53 Overview – Parameters..............53 – Internal components..........64 Heat pump – Pumps..............64 – Checking for noise..........60 – Sensors..............64 – Closing..............60 – Valves..............64 – Positioning...............13 Overview of system schemes........52 –...
  • Page 116 Keyword index Keyword index (cont.) Primary circuit pressure switch........43 Solar DHW heating............ 55 Primary pump.............32 Spare parts..............73 Product information............7 Specification Programming unit............62 – Brine/water heat pumps........109 Programming unit installation........17 – Water/water heat pumps........111 Pumps................ 64 Starting PWM signal..............32 –...
  • Page 120 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...

This manual is also suitable for:

Vitocal 300-g bw 301.a seriesVitocal 300-g bw 301.a21Vitocal 300-g bws 301.a seriesVitocal 300-g bw 301.a29Vitocal 300-g bws 301.a21Vitocal 300-g bw 301.a45 ... Show all

Table of Contents