Viessmann Vitocal 350-G Installation And Service Instructions Manual
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Viessmann Vitocal 350-G Installation And Service Instructions Manual

Heat pumps with electric drive, 1 and 2-stage
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VIESMANN
Installation and service
instructions
for contractors
Vitocal 350-G
Type BW/WW 351.A07
Type BWS 351.A07
Heat pumps with electric drive, 1 and 2-stage
Type BWC/WWC 351.A07
Heat pumps with electric drive, 1-stage
For applicability, see the last page
VITOCAL 350-G
Please keep safe.
5609 667 GB
5/2013

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Summary of Contents for Viessmann Vitocal 350-G

  • Page 1 VIESMANN Installation and service instructions for contractors Vitocal 350-G Type BW/WW 351.A07 Type BWS 351.A07 Heat pumps with electric drive, 1 and 2-stage Type BWC/WWC 351.A07 Heat pumps with electric drive, 1-stage For applicability, see the last page VITOCAL 350-G Please keep safe.

  • Page 2: Safety Instructions

    Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and mate- rial losses. Safety instructions explained ■ Codes of practice of the relevant trade associations. Danger ■ All current safety regulations as This symbol warns against the defined by DIN, EN, DVGW, VDE and risk of injury.
  • Page 3 Repairing components that fulfil a safety function can compromise the safe operation of your sys- tem. Defective components must be replaced with genuine Viessmann spare parts. Auxiliary components, spare and wearing parts Please note Spare and wearing parts that have not been tested together with the system can compromise its function.
  • Page 4 Index Index Installation instructions Preparing for installation Intended use......................Product information....................General information on the electrical connection..........Siting........................Overview of possible system schemes..............13 Designations in the system examples..............14 Primary circuit, type BW/BWC (brine/water)............15 Primary circuit, type WW/WWC (water/water)............17 Primary circuit, type BW + BWS (2-stage, brine/water)........
  • Page 5 Index Index (cont.) Heat pump module, type BW/WW................ 136 Hydraulics, type BW/WW ..................138 Parts lists, type BWS.................... 140 Overview of assemblies, type BWS ..............141 Parts not shown, type BWS.................. 142 Casing assembly, type BWS................142 Electrical equipment, type BWS................144 Heat pump module, type BWS................

  • Page 6: Intended Use

    Preparing for installation Intended use The appliance is only intended to be Commercial or industrial usage for a pur- installed and operated in sealed unven- pose other than central heating/cooling ted heating systems that comply with or DHW heating shall be deemed inap- EN 12828, with due attention paid to the propriate.
  • Page 7 Preparing for installation Product information (cont.) Type WW/WWC 351.A07 The brine/water heat pump type BW/ BWC 351.A07 in conjunction with the conversion kit (accessories) becomes water/water heat pump type WW/WWC 351.A07. A separate well circuit supplies the primary circuit with heating energy via a separating heat exchanger (accessories).

  • Page 8: General Information On The Electrical Connection

    Preparing for installation General information on the electrical connection ■ Connecting cables, heat pump These connections are made inside stage 1 – stage 2: the heat pump control unit. Observe See page 75. information from page 76. ■ Electrical connection of system ■...
  • Page 9 Preparing for installation Siting (cont.) ■ Observe the required floor area and Single stage (type BW/BWC 351.A07) minimum room volume (to EN 378). Type Min. room volume BW 351.A07 9.4 m BWS 351.A07 9.4 m ≥ 400 BWC 351.A07 9.4 m ■...
  • Page 10 Preparing for installation Siting (cont.) Information on the use of accessories NC-Box for natural cooling function for a heating/cooling circuit or sepa- ■ The NC-Box can only be used up to a rate cooling circuit rated heating output of ≤ 16 kW. For AC-Box for active cooling function higher rated heating outputs, install all ■...

  • Page 11: Requirements For On-Site Connections

    Preparing for installation Siting (cont.) Requirements for on-site connections Single stage (type BW/BWC 351.A07) 230 V < 42 V...
  • Page 12 Preparing for installation Siting (cont.) Two-stage (type BW 351.A07 + BWS 351.A07) 230 V 230V 230 V < 42 V < 42 V < 42 V Install hydraulic connections on site stress-free. Cable lengths in the heat pump plus wall clearance: Type BW/BWC 351.A07 BWS 351.A07 Heat pump control unit pow-...

  • Page 13: Overview Of Possible System Schemes

    Preparing for installation Siting (cont.) Recommended power cables for all types: Cable cross-section Max. cable length Heat pump control unit – 3 x 1.5 mm (230 V~) (5 x 1.5 mm with pow- er-OFF) Compressor (400 V~) 50 m 5 x 2.5 mm Instantaneous heating water 50 m 5 x 2.5 mm...

  • Page 14: Designations In The System Examples

    Preparing for installation Overview of possible system schemes (cont.) Component "System scheme 7000" Cooling A1/HC1 – – – – – – M2/HC2 – – – – 0 0 0 0 0 0 0 0 M3/HC3 – – – – – –...
  • Page 15 Preparing for installation Primary circuit, type BW/BWC (brine/water) Hydraulic installation scheme --2/X3.8;3.9--...
  • Page 16 Preparing for installation Primary circuit, type BW/BWC (brine/water) (cont.) Note In type BW 351.A07, no circulation Type BWC 351.A07 is illustrated. In this pumps are fitted at the factory. For the case, the circulation pumps are fitted and connection of primary pump qT, see connected at the factory (primary pump "Primary circuit, type BW 351.A07 + qT, secondary pump 6 incl.
  • Page 17 Preparing for installation Primary circuit, type WW/WWC (water/water) Hydraulic installation scheme --2/X3.8;3.9-- --2/X3.8;3.9-- ---------...
  • Page 18 Preparing for installation Primary circuit, type WW/WWC (water/water) (cont.) Note In type WW 351.A07, no circulation Type WWC 351.A07 is illustrated. In this pumps are installed at the factory. For case, the circulation pumps are fitted and the connection, see "Electrical installa- connected at the factory (primary pump tion scheme".
  • Page 19 Preparing for installation Primary circuit, type WW/WWC (water/water) (cont.) With well pump connection 230 V~ 200 W 211.1 X2.N X3.3 230 V; 2 mA X3.4 X3.9 230 V; 0.15 A X3.8 230 v; 0.15 A On-site well pump connection 400 V~ 200 W 211.1 X2.N...
  • Page 20 Preparing for installation Primary circuit, type BW + BWS (2-stage, brine/water) With two primary pumps Hydraulic installation scheme --F2-- --2/X3.8;3.9-- --2/224.2-- --2/211.1-- --F3--...
  • Page 21 Preparing for installation Primary circuit, type BW + BWS (2-stage,… (cont.) Equipment required Pos. Description Heat pump stage 1 Heat pump control unit Heat pump stage 2 Primary pump, heat pump stage 1 Flow temperature sensor, primary circuit Return temperature sensor, primary circuit Brine accessory pack Pressure switch, primary circuit Brine distributor, geothermal probes/collectors...
  • Page 22 Preparing for installation Primary circuit, type BW + BWS (2-stage,… (cont.) 200 W 211.1 X2.N 200 W 224.2 X2.N X3.9 230 V; 0.15 A X3.8 PT500 PT500 With a common primary pump Note If heat pumps stage 1 and 2 (type BW 351.A07 + BWS) are installed with dif- ferent rated heating outputs, the different flow rates mean that two primary pumps...
  • Page 23 Preparing for installation Primary circuit, type BW + BWS (2-stage,… (cont.) Hydraulic installation scheme --F2-- --2/X3.8;3.9-- --F3-- Equipment required Pos. Description Heat pump stage 1 Heat pump control unit Heat pump stage 2 Common primary pump Primary circuit flow temperature sensor (for installation, see page 94) Primary circuit return temperature sensor (for installation, see page 94)

  • Page 24: Electrical Installation Scheme

    Preparing for installation Primary circuit, type BW + BWS (2-stage,… (cont.) Pos. Description Brine accessory pack Pressure switch, primary circuit Brine distributor, geothermal probes/collectors Geothermal probes/collectors Note Either fit primary circuit flow and return temperature sensors in the sensor wells of the hydraulic modules (accessories) or use a sensor well set (accessories).
  • Page 25 Preparing for installation Primary circuit, type WW + BWS (2-stage, water/water) With two primary pumps Hydraulic installation scheme --F2-- --2/X3.8;3.9-- --2/211.1-- --2/224.2-- --F3-- --2/X3.8;3.9-- --------- Equipment required Pos. Description Heat pump stage 1 Heat pump control unit Heat pump stage 2 Primary pump, heat pump stage 1...
  • Page 26 Preparing for installation Primary circuit, type WW + BWS (2-stage,… (cont.) Pos. Description Primary circuit flow temperature sensor (for installation, see page 94) Primary circuit return temperature sensor (for installation, see page 94) Frost stat, primary circuit Brine accessory pack Pressure switch, primary circuit Heat exchanger, primary circuit Flow switch, well circuit (remove jumper before connecting)
  • Page 27 Preparing for installation Primary circuit, type WW + BWS (2-stage,… (cont.) Well pump on-site connection 230 V~ 200 W 211.1 X2.N 200 W 224.2 X2.N X3.1 X2.N...
  • Page 28 Preparing for installation Primary circuit, type WW + BWS (2-stage,… (cont.) On-site well pump connection 400 V~ 200 W 211.1 X2.N 200 W 224.2 X2.N X3.1 X2.N Connecting the sensors and limiters X3.3 230 V; 2 mA X3.4 X3.8 230 V; 0.15 A X3.9 230 v;...
  • Page 29 Preparing for installation Primary circuit, type WW + BWS (2-stage,… (cont.) With a common primary pump Note If heat pumps stage 1 and 2 (type WW 351.A07 + BWS) are installed with dif- ferent rated heating outputs, the different flow rates mean that two primary pumps must be used (see page 25).
  • Page 30 Preparing for installation Primary circuit, type WW + BWS (2-stage,… (cont.) Hydraulic installation scheme --F2-- --F3-- --2/X3.8;3.9-- --------- Equipment required Pos. Description Heat pump stage 1 Heat pump control unit Heat pump stage 2 Common primary pump...
  • Page 31 Preparing for installation Primary circuit, type WW + BWS (2-stage,… (cont.) Pos. Description Primary circuit flow temperature sensor (for installation, see page 94) Primary circuit return temperature sensor (for installation, see page 94) Frost stat, primary circuit Brine accessory pack Pressure switch, primary circuit Heat exchanger, primary circuit Flow switch, well circuit (remove jumper before connecting)
  • Page 32 Preparing for installation Primary circuit, type WW + BWS (2-stage,… (cont.) On-site well pump connection 400 V~ 211.1 224.2 200 W X2.N X2.N Connecting the sensors and limiters X3.3 230 V; 2 mA X3.4 X3.8 230 V; 0.15 A X3.9 230 v;...
  • Page 33 Preparing for installation DHW heating DHW cylinder with internal indirect coil Hydraulic installation scheme --2/212.3-- --2/F7-- --2/F6-- KW Cold water WW DHW...
  • Page 34 Preparing for installation DHW heating (cont.) Note In type BW 351.A07, no circulation Type BWC 351.A07 is illustrated. In this pumps are fitted at the factory. For the case, the circulation pumps are fitted and connection, see "System examples" connected at the factory (primary pump (from page 45).
  • Page 35 Preparing for installation DHW heating (cont.) 50 W 212.3 X2.N L1 L2 L3 N 224.7 X2.N PT500 PT500 A On-site contactor...
  • Page 36 Preparing for installation DHW heating (cont.) DHW cylinder with cylinder loading system Hydraulic installation scheme --2/212.3-- --2/F6-- --2/211.4-- 15 6 Solar interface WW DHW KW Cold water...
  • Page 37 Preparing for installation DHW heating (cont.) Note In type BW/WW 351.A07, no circulation Type BWC 351.A07 is illustrated. In this pumps are fitted at the factory. For the case, the circulation pumps are fitted and connection, see "System examples" connected at the factory (primary pump (from page 45).
  • Page 38 Preparing for installation DHW heating (cont.) 50 W 212.3 X2.N 130 W 211.4 UPSB X2.N 130 W PT500 Required parameter settings for DHW heating Set the required parameters during com- missioning; see from page 112. Parameter Setting "System definition" ■ "System scheme 7000" "0"...
  • Page 39 Preparing for installation Integration of 2-stage version Note ■ A 2-stage heat pump comprises the heat pump stage 1 (type BW/WW 351.A07) and the heat pump stage 2 (type BWS). ■ Connect the DHW cylinder return only to heat pump stage 1. ■...
  • Page 40 Preparing for installation Integration of 2-stage version (cont.) Hydraulic installation scheme --2/224.3-- --2/211.2-- ------ ------ --2/F2-- --2/F3-- --2/F0--...
  • Page 41 Preparing for installation Integration of 2-stage version (cont.) C Interface to the separate cooling cir- P Interface to the primary circuit cuit or heating/cooling circuit W Interface to the DHW cylinder H Interface to the heating circuits or the heating water buffer cylinder Equipment required Pos.
  • Page 42 Preparing for installation Heat pump cascade integration (cont.) The following communication modules (accessories) must be fitted in the heat pump control units: – LON communication module for the cascade in the lead appliance – LON communication module in lag heat pumps ■...
  • Page 43 Preparing for installation Heat pump cascade integration (cont.) Hydraulic installation scheme example: Heat pump cascade with 2-stage heat pumps...
  • Page 44 Preparing for installation Heat pump cascade integration (cont.) Interface to the separate cooling Interface to the DHW cylinder circuit or heating/cooling circuit Lead appliance (2-stage) of the Interface to the heating circuits heat pump cascade or the heating water buffer cylin- II to IV Lag heat pumps 1 to 3, each 2- stage Interface to the primary circuit...
  • Page 45 Preparing for installation Heat pump cascade integration (cont.) 130 W 224.5 X2.N 130 W 211.4 X2.N 130 W 211.2 X2.N 200 W 211.1 X2.N 200 W 224.2 X2.N 130 W 224.3 X2.N Pt500 Pt500 Ni500 System example 1, ID: 4605350_1008_01 Note Selecting system scheme 2 Type BW/WW 351.A07 is illustrated.
  • Page 46 Preparing for installation System example 1, ID: 4605350_1008_01 (cont.) Note This scheme is a general example with- out shut-off valves or safety equipment. This does not replace the need for on- site engineering.
  • Page 47 Preparing for installation System example 1, ID: 4605350_1008_01 (cont.) Hydraulic installation scheme --11/145-- --4/211.2-- --4/X3.8;9-- --4/211.5-- --4/211.2-- --4/212.3-- --4/F6-- --B/137--...
  • Page 48 Preparing for installation System example 1, ID: 4605350_1008_01 (cont.) Pos. Description Heat pump Instantaneous heating water heater, 3, 6 or 9 kW (accessories) Heat pump control unit Vitotronic 200, type WO1B Primary pump (integral in type BWC 351.A07) Secondary pump (integral in type BWC 351.A07) Circulation pump for cylinder heating UPSB (integral in type BWC 351.A07) Safety equipment block with safety assembly (part of the standard delivery...
  • Page 49 Preparing for installation System example 1, ID: 4605350_1008_01 (cont.) Electrical installation scheme For an overview of the electrical connec- For information regarding the power sup- tions and more information on the PCBs, ply, see page 98. see from page 76 and the separate service instructions for the Vitotronic 200 heat pump control unit.
  • Page 50 Preparing for installation System example 1, ID: 4605350_1008_01 (cont.) PT500 Ni500 Control unit power supply Compressor power supply 3 / PE X3.18 400 V, 50 Hz 1 / N / PE X2.1 230 V, 50 Hz X1.1 A Mains terminals on the cross con- nect PCB Required parameter settings Set the required parameters during com-...
  • Page 51 Preparing for installation System example 1, ID: 4605350_1008_01 (cont.) Parameter Setting Remote control: "Heating circuit 1" ■ "Remote control 2003" "1" System example 2, ID: 4605351_1008_01 Note ■ 1 underfloor heating circuit with mixer Type BW/WW 351.A07 is illustrated. In M2/HC2 type BWC/WWC 351.A07, the circula- ■...
  • Page 52 Preparing for installation System example 2, ID: 4605351_1008_01 (cont.) Hydraulic installation scheme --11/145-- --11/145-- --4/225.1--55-- --4/F16-- --4/F14-- --4/F12-- --54/20-- --4/212.2-- --4/225.2;3-- --4/F13-- --4/212.1-- --4/211.2-- ---4/211.4-- --4/F6-- --B/137--...
  • Page 53 Preparing for installation System example 2, ID: 4605351_1008_01 (cont.) Pos. Description Heat pump Instantaneous heating water heater, 3, 6 or 9 kW (accessories) Heat pump control unit Vitotronic 200, type WO1B Primary pump (integral in type BWC 351.A07) Secondary pump (integral in type BWC 351.A07) Circulation pump for cylinder heating UPSB (integral in type BWC 351.A07) Safety equipment block with safety assembly (part of the standard delivery...
  • Page 54 Preparing for installation System example 2, ID: 4605351_1008_01 (cont.) Pos. Description Heating circuit without mixer A1/HC1 Radiator circuit Remote control Vitotrol 200A (accessories) Heating circuit pump UP A1 Electrical installation scheme For an overview of the electrical connec- For information regarding the power sup- tions and more information on the PCBs, ply, see page 98.
  • Page 55 Preparing for installation System example 2, ID: 4605351_1008_01 (cont.) 230 V, 50 Hz UP AC 212.1 171E X2.N 230 V, 50 Hz 211.5 171D X2.N X3.9 X3.8 200 W 211.1 X2.N 100 W 212.2 UP A1 X2.N 130 W 211.4 UPSB X2.N 50 W...
  • Page 56 Preparing for installation System example 2, ID: 4605351_1008_01 (cont.) HK A1 HK M2 PT500 PT500 Ni500 PT500 Ni500 PT500 VTS M2 Ni500 Control unit power supply Compressor power supply 3 / PE X3.18 400 V, 50 Hz 1 / N / PE X2.1 230 V, 50 Hz X1.1...
  • Page 57 Preparing for installation System example 2, ID: 4605351_1008_01 (cont.) Parameter Setting "Cooling" ■ "Cooling 7100" "3" ■ "Cooling circuit 7101" "4" DHW heating: "Time program DHW" Set time program (see op- erating instructions) "Time prog DHW circ" Set time program (see op- erating instructions) "DHW"...
  • Page 58 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) Note This scheme is a general example with- out shut-off valves or safety equipment. This does not replace the need for on- site engineering. Hydraulic installation scheme -8/145- --8/145-- --8/145-- --4/F12-- --95/2-- --4/225.1--67-- --4/X3.9--15--...
  • Page 59 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) Pos. Description Heat pump Heat pump Instantaneous heating water heater, 3, 6 or 9 kW (accessories) Heat pump control unit Vitotronic 200, type WO1B Primary pump UP (integral in type BWC 351.A07) Secondary pump UP (integral in type BWC 351.A07) Circulation pump for cylinder heating UPSB (integral in type BWC 351.A07)
  • Page 60 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) Pos. Description DHW heating with solar backup Solar-Divicon with solar circuit pump R1 Solar control unit Vitosolic 100, type SD1 Collector temperature sensor KOL Solar collector Cylinder temperature sensor STS (for connecting to solar control unit rQ) High limit safety cut-out STB solar Heating water buffer cylinder Heating water buffer cylinder...
  • Page 61 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) Pos. Description Swimming pool Swimming pool Temperature controller for swimming pool temperature control TST Circulation pump for swimming pool heating UP Plate heat exchanger 3-way diverter valve External extension H1 Note The additional parameters for 2-stage operation are set during commissioning by a certified heat pump contractor.
  • Page 62 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) 211.5 X2.N 200 W 211.1 X2.N 100 W 212.2 UP A1 X2.N 130 W 211.4 UPSB X2.N 50 W 212.3 X2.N 130 W 211.2 X2.N 211.3 16 A 400 V, 50 Hz 224.4 3 / N / PE X2.N...
  • Page 63 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) A Plug aCH is connected to the cable C Move jumper from X3.1 to 222.3 harness D On-site contactor relay B Switching module for instantaneous heating water heater...
  • Page 64 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) HK A1 HK M3 HK M2 230 V/ 50 Hz 1 / N / PE UP M3 VTS M3 230 V/ 50 Hz N 20 N 18 230 V/ 50 Hz 1 / N / PE 400 V, 50 Hz D On-site contactor relay...
  • Page 65 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) PT500 PT500 PT500 PT500 Ni500 PT500 VTS M2 Control unit power supply Compressor power supply 3 / PE X3.18 400 V, 50 Hz 1 / N / PE X2.1 230 V, 50 Hz X1.1 A Mains terminals on the cross con- nect PCB...
  • Page 66 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) Parameter Setting DHW heating: "Time program DHW" Set time program (see op- erating instructions) "Time prog DHW circ" Set time program (see op- erating instructions) "DHW" ■ "Enable booster heaters for DHW heating 6014" "1"...
  • Page 67 Installation sequence Siting the heat pump Removing the transport brackets and levelling the heat pump Position and level the heat pump hori- Please note zontally as described on page 8. Operating the appliance without first removing the transport brackets may cause vibrations and excessive noise.
  • Page 68 Installation sequence Siting the heat pump (cont.) Removing the top panel...

  • Page 69: Hydraulic Connections

    5. Fill the primary circuit with insulation of all pipes routed through Viessmann heat transfer medium walls. and vent. Note Viessmann heat transfer medium is a ready-mixed ethylene glycol-based medium, for down to –15 °C, contain- ing inhibitors for corrosion protec- tion. Note For diaphragm grommets, see page 108.

  • Page 70: Connecting The Secondary Circuit

    Installation sequence Hydraulic connections (cont.) Connecting the secondary circuit 1. Equip the secondary circuit on site 3. Fill and vent secondary circuit. with an expansion vessel and safety assembly (in accordance with 4. Thermally insulate pipes inside the DIN 4757). building.

  • Page 71: Electrical Connections

    Installation sequence Electrical connections Installing the programming unit (types BW/WW 351.A07 and BWC 351.A01)
  • Page 72 Installation sequence Electrical connections (cont.) [XÖ Routing cables to the wiring chamber Danger Danger Damaged cable insulation can Incorrectly routed wiring can lead cause injury and damage to the to serious injury from electrical appliance. current and result in equipment Route cables so that they cannot damage.
  • Page 73 Installation sequence Electrical connections (cont.) ■ Route LV leads < 42 V and When routing the on-site power cables, cables > 42 V/230 V~/400 V~ observe the location of the cable entries separately. into the appliance through its back panel ■...
  • Page 74 Installation sequence Electrical connections (cont.) For power supply, see from Note page 98. Route LV leads and 230 V~ cables as far apart as possible.
  • Page 75 Installation sequence Electrical connections (cont.) Carry out electrical connection of heat pump stage 1 (type BW/WW 351.A07) and stage 2 (type BWS 351.A07) aJ B < 42 V 230 V~ < 42 V 230 V~ [C-Ö...
  • Page 76 Installation sequence Electrical connections (cont.) A Wiring chamber, heat pump stage 2 ■ With plugs aJB and aVG for the (type BWS 351.A07) wiring chamber for heat pump B < 42 V LV connecting cables: stage 2 (type BWS 351.A07). ■...
  • Page 77 Installation sequence Electrical connections (cont.) sXG sXF sXDsXS A Cross connect PCB C Main PCB F1 Fuse 6.3 A (slow) F3 Fuse 6.3 A (slow) B Expansion PCB on the main PCB D Controller and sensor PCB...
  • Page 78 Installation sequence Electrical connections (cont.) Main PCB Information regarding the connection Set the required parameters during com- values missioning; see from page 112. ■ The output given is the recommended connected load. ■ The total output of all components con- nected directly to the heat pump con- trol unit (e.g.
  • Page 79 Installation sequence Electrical connections (cont.) Function components 230 V~ Plug sYA Terminals Function Explanation 211.1 Primary pump (heat pump Connection values stage 1 or common primary ■ Output: 200 W pump), well pump control ■ Voltage: 230 V~ ■ Max. switching current: 4(2) A Connect on site.
  • Page 80 Installation sequence Electrical connections (cont.) Plug sYA Terminals Function Explanation 211.4 ■ 3-way diverter valve for Connection values "Heating/DHW heating" ■ Output: 130 W ■ Circulation pump for cylin- ■ Voltage: 230 V~ der heating ■ Max. switching current: 4(2) A ■...
  • Page 81 Installation sequence Electrical connections (cont.) Plug sYS Terminals Function Explanation Connection values ■ Output: 100 W ■ Voltage: 230 V~ ■ Max. switching current: 4(2) A Connect on site. 212.3 DHW circulation pump Connection values ■ Output: 50 W ■ Voltage: 230 V~ ■...
  • Page 82 Installation sequence Electrical connections (cont.) Connection A to Circulation pump C control unit Heating circuit without mixer A1/HC1 ■ Without heating water buffer cylin- 211.2 Secondary pump ■ With heating water buffer cylinder 212.2 Heating circuit pump A1/ Heating circuit with mixer M2/HC2 225.1 Heating circuit pump M2/HC2 Connecting the temperature limiter,...
  • Page 83 Installation sequence Electrical connections (cont.) Expansion PCB on main PCB Information regarding the connection Set the required parameters during com- values missioning; see from page 112. ■ The output given is the recommended connected load. ■ The total output of all components con- nected directly to the heat pump con- trol unit (e.g.
  • Page 84 Installation sequence Electrical connections (cont.) Plug sXS Terminals Function Explanation 222.3 Control of external heat Floating contact 222.4 sources and 1 high limit safety cut-out each (on site, Note max. 70 °C), to switch off or ■ The switching contact is a zero switch between the follow- volt N/O contact that is closed when a ing components:...
  • Page 85 Installation sequence Electrical connections (cont.) High limit safety cut-out for heat C Connection on the external heat pump in conjunction with an external source at terminals for external heat source demand D High limit safety cut-out (max. 70 °C) as heat pump protection X3.1 K1 Relay;...
  • Page 86 Installation sequence Electrical connections (cont.) Central fault message 223.1 230 V~, 0.5 A 223.2 A Terminals on extension PCB Plug sXF Terminals Function Explanation 224.2 Primary pump for heat pump Connection values stage 2 (if installed) ■ Output: 200 W ■...
  • Page 87 Installation sequence Electrical connections (cont.) Plug sXF Terminals Function Explanation 224.6 ■ Cylinder primary pump Switch cylinder primary pump and two- (DHW side) way shut-off valve in parallel ■ 2-way shut-off valve Connection values ■ Output: 130 W ■ Voltage: 230 V~ ■...
  • Page 88 Installation sequence Electrical connections (cont.) Plug sXG Terminals Function Explanation 225.1 Heating circuit pump of the Connect a temperature limiter to restrict heating circuit with mixer the maximum temperature for underfloor M2/HC2 heating circuits (if installed) in series. Connection values: ■...
  • Page 89 Installation sequence Electrical connections (cont.) Terminals Function Explanation ■ Power supply terminals Terminals for message and safety con- of control unit "L1" and nections auxiliary components ■ Switched phase L1: Note X3.1, X3.2, X3.3, X3.7, Switched phase can be used for on-site X3.11, X3.13 system components.
  • Page 90 Installation sequence Electrical connections (cont.) Terminals Function Explanation X3.6 Power-OFF Requires floating N/C contact: X3.7 ■ Closed: No blocking (safety chain con- tinuous) ■ Open: Blocking active ■ Breaking capacity 230 V~, 0.15 A If a power-OFF contact is connected, no jumper should be installed.
  • Page 91 Installation sequence Electrical connections (cont.) Terminals Function Explanation X3.10 Fault message, lag heat Floating contact required: X3.11 pump in a cascade ■ Closed: No faults ■ Open: Fault Jumper ■ Breaking capacity 230 V~, 0.15 A If a message contact is connected, no jumper should be installed.
  • Page 92 Installation sequence Electrical connections (cont.) Note ■ Plug F11: Nothing should be connec- ted to plug F11 on site. ■ Flow temperature sensor for heat- ing circuit with mixer (M3): The flow temperature sensor for one heating circuit with mixer (M3/HC3) is connec- ted to the mixer extension kit (acces- sories).
  • Page 93 Installation sequence Electrical connections (cont.) Plug Sensor Type KM BUS Connection of components on site (cores interchangea- ble). If more than one of the following devices are to be connected, use a KM BUS distributor (accessories). ■ Extension kit for one heating circuit with mixer (M3/ HC3) ■...
  • Page 94 Installation sequence Electrical connections (cont.) Connection of primary circuit flow/return temperature sensor, two-stage heat pump < 42 V aS Flow temperature sensor, primary aD Return temperature sensor, primary circuit circuit...
  • Page 95 Installation sequence Electrical connections (cont.) Please note Fasten sensor leads and disman- Identify sensor leads. tled leads (with plug aS/aD) together with the other LV leads using the cable ties provided. Swimming pool heating Note ■ Swimming pool heating is controlled via external extension H1 with KM BUS.
  • Page 96 Installation sequence Electrical connections (cont.) fÖ gÖ A Connection to controller and sensor E Fuses and contactor for circulation pump for swimming pool heating B External extension H1 (accessories) C Temperature controller for regulat- F Circulation pump for swimming pool ing the swimming pool temperature heating (accessories) G 3-way diverter valve for "swimming...
  • Page 97 Installation sequence Electrical connections (cont.) X3.10 X3.11 230V 223.1 fÖ 223.2 230V 223.1 223.2 230V sÖ 223.1 223.2 A Heat pump 1 (lead heat pump) E Lag heat pump 1 B KM BUS Connection at contact for "External demand " C External extension H1 F Floating contact "External demand D Floating contact "External demand...

  • Page 98: Power Supply

    Installation sequence Electrical connections (cont.) G Lag heat pump 2 K Lag heat pump 3 Connection at contact for "External L Central fault message input, lag demand " heat pump H Floating contact "External demand N/C contact X3.10 / X3.11 triggers a "...
  • Page 99 Installation sequence Power supply (cont.) Danger ■ Protect the power supply to the heat Incorrect wire allocation can pump control unit with 16 A max. cause severe injury and damage ■ For accessories and external compo- the appliance. nents that are not to be connected to Never interchange wires "L"...

  • Page 100: Heat Pump Control Unit Power Supply (230 V~)

    Installation sequence Power supply (cont.) Heat pump control unit power supply (230 V~) ■ Max. fuse rating 16 A max.16 A ■ Standard tariff (no optional economy X3.18 1/N/PE tariff with power-OFF for the heat X2.1 230 V / 50 Hz pump control unit) X1.1 ■...
  • Page 101 Installation sequence Power supply (cont.) Note Observe the technical connection condi- tions of the relevant power supply util- ity. Single stage X3.7 X3.6 ≈ Diagram excluding fuses and RCD. A Heat pump control unit (connection E Ripple control receiver (contact on cross connect PCB) open: power-OFF enabled) B Instantaneous heating water heater...
  • Page 102 Installation sequence Power supply (cont.) Two-stage (type BW + BWS) X3.7 X3.6 ≈ Shown excluding fuses and RCD. A Heat pump control unit (connection E Ripple control receiver (contact on cross connect PCB) open: power-OFF enabled) B Instantaneous heating water heater F Backup fuse ripple control receiver (if installed) G Feed: TNC system...
  • Page 103 Installation sequence Power supply (cont.) Power-OFF with on-site load disconnection The power-OFF signal is connected to Note the on-site contactor of the economy tar- Observe the technical connection condi- iff power supply and to the heat pump tions of the relevant power supply util- control unit.
  • Page 104 Installation sequence Power supply (cont.) A Heat pump control unit (connection F Standard tariff meter on cross connect PCB) G Ripple control receiver (contact B Instantaneous heating water heater open: power-OFF enabled) with (if installed) backup fuse C Compressor H Economy tariff meter D Control unit power supply K Feed: TNC system E Mains isolator...
  • Page 105 Installation sequence Power supply (cont.) H Economy tariff meter L Heat pump compressor stage 2 K Feed: TNC system (type BWS) Phase monitor (if installed) The phase monitor is used to monitor the Remove the cause if the relay has mains power supply to the compressor.
  • Page 106 Installation sequence Power supply (cont.) Version 2 N 11 21 LEDs explained A Voltage "U": Illuminates green if voltage is L1 L2 L3 applied. B Relay "R": Illuminates yellow if the phase sequence is correct. Does not illuminate if the phase sequence is incorrect.

  • Page 107: Closing The Heat Pump

    Installation sequence Closing the heat pump Please note Danger Seal the appliance so it is sound- The absence of component proof and diffusion-proof. earthing can lead to serious injury Check tightness of internal from electric current if an electri- hydraulic connections. cal fault occurs.
  • Page 108 Installation sequence Checking diaphragm grommets Seal diaphragm grommets A Please note Seal the appliance so it is sound- with adhesive tape if necessary. proof and diffusion-proof. With the hose outlets, ensure dia- phragm grommets A are seated correctly.

  • Page 109: Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance For further information regarding the individual steps, see the page indicated Commissioning steps Inspection steps Maintenance steps Page • • • 1. Opening the heat pump............ 110 • 2. Writing reports..............110 •...

  • Page 110: Writing Reports

    Commissioning, inspection, maintenance Further details regarding the individual steps Opening the heat pump Danger 1. Remove front panel in reverse order; Contact with 'live' components see page 107. can lead to serious injury from electric current. 2. When work is complete, close the Never touch terminal areas heat pump;...

  • Page 111: Checking The Refrigerant Circuit For Leaks

    Viessmann heat transfer medium and vent. Note The system must be protected against frost down to –15 °C. Viessmann heat transfer medium is a ready-mixed ethylene glycol-based medium, for down to –15 °C, contain- ing inhibitors for corrosion protec- tion.

  • Page 112: Checking Expansion Vessels And The Primary Circuit/Heating Cir- Cuit Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Check the pre-charge pressure of the 5. Check the system pressure and top expansion vessel. up with water if required. Minimum system pressure: 0.8 bar/ 3. Fill (flush) and vent the secondary cir- 80 kPa cuit.
  • Page 113 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Commissioning with the commissioning wizard The commissioning assistant automati- Switch on the ON/OFF switch on the cally guides you through all the menus heat pump control unit. where settings have to be made. For ■...
  • Page 114 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Language Date Time Date/time Start commissioning? Parameter group Parameter Coding select level 1 Sensor values Temperature sensors display Signal inputs Signal inputs display Actuator test Actuator test carry out Subscriber check Subscriber check carry out Function check...
  • Page 115 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Commissioning without the commissioning assistant Enabling the service menu Service menu: 1. Press OK + å simultaneously for The service menu can be enabled from approx. 4 s any menu. 2.
  • Page 116 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Pumps and other components Pump/component Parameter Setting Secondary pump (for "System definition" Ó "1" to "11" heating circuit A1/HC1 "System scheme 7000" without heating water buffer cylinder; no addi- tional heating circuit pump required) Heating circuit pump A1/ "System definition"...
  • Page 117 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Pump/component Parameter Setting Circulation pump for "External heat source" Ó "1" DHW reheating "Enable external heat source 7B00" "External heat source" Ó "1" "Enable external heat source for DHW heating 7B0D"...
  • Page 118 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2-stage heat pump Parameter Setting Compressor 2: ■ "Enable compressor 5100" "1" ■ "Output compressor stage 2 5130" Value corresponding to the rated heating output of heat pump stage 2, see type plate External functions External function Parameter...
  • Page 119 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) External function Parameter Setting External blocking of the com- "System definition" Ó "0" to "8" pressor; mixer in control "Effect of ext. blocking on mode or CLOSED heat pump/heating circuits 7015"...
  • Page 120 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Instantaneous heating water heater Parameters for Setting Instantaneous heating water heater "Electr booster heater" Ó "1" "Enable instantaneous heating water heater 7900" "Electr booster heater" Ó if applicable "1" "Enable instant. heating water heater for cen- tral heating 7902"...
  • Page 121 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Heat pump cascade Cascade via external extension H1 Parameter Setting Lead heat pump Lag heat pump "System definition" Ó "0" to "10" "11" "System scheme 7000" "System definition" Ó "1" "0"...

  • Page 122: Instructing The System User

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Parameter Setting Lead heat pump Lag heat pump "System definition" Ó – "0" to "700" (≙ 0 to "Flow temperature for external 70 °C) demand 730C" "Communication" Ó – "1" to "4" (unique) "Heat pump number in cas- cade (LON) 5707"...
  • Page 123 Troubleshooting Maintenance Overview of electrical components Type BW/WW 351.A07 and BWC/WWC 351.A07...
  • Page 124 Troubleshooting Maintenance (cont.) Type BWS 351.A07 A Transformer EEV PCB K Controller and sensor PCB B EEV PCB (electronic expansion L Main PCB valve) M Expansion PCB on the main PCB C Phase monitor N Compressor power supply D Compressor contactor O Cross connect PCB E Thermal relay Q Plug for <...
  • Page 125 Troubleshooting Maintenance (cont.) Opening the casing door...
  • Page 126 Troubleshooting Maintenance (cont.) Overview of internal components Type BWC 351.A07...
  • Page 127 Troubleshooting Maintenance (cont.) Type BWC 351.A07 A Condenser G Primary pump (accessory for B Evaporator type BW/WW 351.A07) C Primary circuit flow temperature I Electronic expansion valve EEV sensor (heat pump brine inlet) J Compressor D Schrader low pressure valve K Secondary circuit flow temperature E Schrader high pressure valve sensor...

  • Page 128: Checking Sensors

    Troubleshooting Maintenance (cont.) M Drain valve on the secondary side P Air vent valve, secondary side N Circulation pump for cylinder heat- Q Low pressure sensor EEV ing (accessory for R Suction gas temperature sensor S Safety high pressure switch type BW/WW 351.A07, installation outside the heat pump) with check T High pressure sensor EEV...

  • Page 129: Checking Fuses

    Troubleshooting Maintenance (cont.) Temperature sensors type Ni500 Temperature sensors, type Pt500 140 180 Temperature in °C -40 -20 Temperature in °C Checking fuses Fuse arrangement (see page 76): Danger ■ Fuse F1 is located on the cross con- Contact with 'live' components nect PCB.
  • Page 130 Parts lists Spare parts lists, type BW/WW Ordering individual parts The following information is required: Standard parts are available from your ■ Serial no. (see type plate A) local dealer. ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list)
  • Page 131 Parts lists Overview of assemblies, type BW/WW 0003 A Type plate D Assembly, heat pump module B Assembly, casing E Assembly, hydraulics C Assembly, electrical equipment...
  • Page 132 Parts lists Parts not shown, type BW/WW 0005 Small parts, casing 0009 Vitotronic 200 service instructions 0006 Touch-up paint stick, Vitosilver 0010 Operating instructions 0007 Touch-up spray paint, Vitosilver Vitotronic 200, type WO1B 0008 Heat pump installation and serv- ice instructions Casing assembly, type BW/WW 0001 Rubber mounts 7 42 x 40 mm 0011 Bottom panel...
  • Page 133 Parts lists Casing assembly, type BW/WW (cont.) 0005 0007 0020 0016 0015 0009 0014 0008 0002 0015 0018 0003 0014 0022 0002 0010 0003 0001 0001 0001 0001 0015 0006 0013 0019 0017 0012 0011 0004...
  • Page 134 Parts lists Electrical equipment, type BW/WW 0001 Base support, controller and sen- 0023 Thermal relay 10 to 14 A sor PCB 0024 Mains terminals 0002 Controller and sensor PCB with 0025 Three-phase monitor cover (CU401) 0029 Casing, programming unit 0003 Base support, main PCB 0033 Programming unit, Vitotronic 200 0004 Main PCB with cover (MB761) heat pump control unit...
  • Page 135 Parts lists Electrical equipment, type BW/WW (cont.) 0030 0005 0011 0002 0004 0024 0001 0003 0029 0033 0013 0012 0016 0023 0022 0015 0017 0025 0014...
  • Page 136 Parts lists Heat pump module, type BW/WW 0001 Compressor 0014 Refrigerant line (hot gas) 0002 Heat exchanger (evaporator) 0015 Spacer 0003 Heat exchanger (condenser) 0016 Connection line, electronic expan- 0004 Electronic expansion valve (EEV) sion valve , evaporator 0005 Filter dryer 0017 Fixings for compressor (4 pce) 0006 Pressure sensor (PT5-7T) 0018 Connection line, filter dryer, elec-...
  • Page 137 Parts lists Heat pump module, type BW/WW (cont.) 0002 0022 0009 0013 0026 0025 0006 0015 0020 0021 0025 0026 0023 0008 0022 0025 0026 0009 0007 0003 0013 0019 0014 0015 0005 0001 0026 0025 0018 0011 0012 0004 0016 0024 0017...
  • Page 138 Parts lists Hydraulics, type BW/WW 0001 Spring clip for temperature sensor 0009 Tee 0002 Air vent valve G ⅜ 0010 Hose, brine outlet, heat pump 0003 Gasket A 30 x 44 x 2 mm 0011 Hose, brine inlet, heat pump 0004 Drain &...
  • Page 139 Parts lists Hydraulics, type BW/WW (cont.) 0010 0003 0011 0012 0017 0005 0013 0016 0001 0014 0017 0016 0005 0005 0001 0002 0017 0006 0005 0017 0009 0001 0016 0017 0005 0004 0003 0007 0017 0005 0006 0008...
  • Page 140 Parts lists Parts lists, type BWS Ordering individual parts The following information is required: Standard parts are available from your ■ Serial no. (see type plate A) local dealer. ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list)
  • Page 141 Parts lists Overview of assemblies, type BWS A Type plate D Assembly, heat pump module B Assembly, casing E Assembly, hydraulics C Assembly, electrical equipment...
  • Page 142 Parts lists Parts not shown, type BWS 0005 Small parts, casing 0009 Vitotronic 200 service instructions 0006 Touch-up paint stick, Vitosilver 0010 Operating instructions 0007 Touch-up spray paint, Vitosilver Vitotronic 200, type WO1B 0008 Heat pump installation and serv- ice instructions Casing assembly, type BWS 0001 Rubber mounts 7 42 x 40 mm 0010 Support, heat pump module...
  • Page 143 Parts lists Casing assembly, type BWS (cont.) 0007 0020 0005 0016 0009 0015 0014 0002 0014 0010 0003 0022 0015 0006 0002 0003 0022 0015 0001 0013 0017 0011 0012 0004...
  • Page 144 Parts lists Electrical equipment, type BWS 0012 Cable trunking Parts not shown 0013 Full wave soft starter 0006 Connecting cable 0014 Switching module 400 V~ 0007 Cable harness 0015 PCB (IU210-A10 H_1 S_14) 0008 Cable harness, low voltage 0016 Body-bound rivet 0009 Cable set, EEV 0017 Transformer 0018 Connecting cable 4-pole, length...
  • Page 145 Parts lists Electrical equipment, type BWS (cont.) 0024 0013 0016 0012 0023 0022 0015 0017 0014...
  • Page 146 Parts lists Heat pump module, type BWS 0001 Compressor 0014 Refrigerant line (hot gas) 0002 Heat exchanger (evaporator) 0015 Spacer 0003 Heat exchanger (condenser) 0016 Connection line, electronic expan- 0004 Electronic expansion valve (EEV) sion valve , evaporator 0005 Filter dryer 0017 Fixings for compressor (4 pce) 0006 Pressure sensor (PT5-7T) 0018 Connection line, filter dryer, elec-...
  • Page 147 Parts lists Heat pump module, type BWS (cont.) 0002 0022 0009 0013 0026 0025 0006 0015 0020 0021 0025 0026 0023 0008 0022 0025 0026 0009 0007 0003 0013 0019 0014 0015 0005 0001 0026 0025 0018 0011 0012 0004 0016 0024 0017...
  • Page 148 Parts lists Hydraulics, type BWS 0001 Spring clip for temperature sensor 0009 Tee 0002 Air vent valve G ⅜ 0010 Hose, brine outlet, heat pump 0003 Gasket A 30 x 44 x 2 mm 0011 Hose, brine inlet, heat pump 0004 Drain &...
  • Page 149 Parts lists Hydraulics, type BWS (cont.) 0010 0003 0011 0012 0017 0005 0013 0016 0001 0014 0017 0016 0005 0005 0001 0002 0017 0006 0005 0017 0009 0001 0016 0017 0005 0004 0003 0007 0017 0005 0006 0008...
  • Page 150 Parts lists Parts lists, type BWC/WWC 351.A07 Ordering individual parts The following information is required: Standard parts are available from your ■ Serial no. (see type plate A) local dealer. ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list)
  • Page 151 Parts lists Overview of assemblies, type BWC/WWC A Type plate C Assembly, electrical equipment B Assembly, casing...
  • Page 152 Parts lists Overview of assemblies, type BWC/WWC (cont.) D Assembly, heat pump module E Assembly, hydraulics Parts not shown, type BWC/WWC 0005 Small parts, casing 0009 Vitotronic 200 service instructions 0006 Touch-up paint stick, Vitosilver 0010 Operating instructions 0007 Touch-up spray paint, Vitosilver Vitotronic 200, type WO1B 0008 Heat pump installation and serv- ice instructions...
  • Page 153 Parts lists Casing, type BWC/WWC (cont.) 0005 0007 0020 0016 0015 0009 0014 0008 0002 0015 0018 0003 0014 0022 0002 0010 0003 0001 0001 0001 0001 0015 0006 0013 0019 0017 0012 0011 0004...
  • Page 154 Parts lists Electrical equipment, type BWC/WWC 0001 Base support, controller and sen- 0024 Mains terminals sor PCB 0025 Three-phase monitor 0002 Controller and sensor PCB with 0029 Casing, programming unit cover (CU401) 0033 Programming unit, Vitotronic 200 0003 Base support, main PCB heat pump control unit 0004 Main PCB with cover (MB761) 0005 Expansion PCB with cover...
  • Page 155 Parts lists Electrical equipment, type BWC/WWC (cont.) 0030 0005 0011 0002 0004 0024 0001 0003 0029 0033 0013 0012 0016 0023 0022 0015 0017 0025 0014...
  • Page 156 Parts lists Heat pump module, type BWC/WWC 0001 Compressor 0014 Refrigerant line (hot gas) 0002 Heat exchanger (evaporator) 0015 Spacer 0003 Heat exchanger (condenser) 0016 Connection line, electronic expan- 0004 Electronic expansion valve (EEV) sion valve , evaporator 0005 Filter dryer 0017 Fixings for compressor (4 pce) 0006 Pressure sensor (PT5-7T) 0018 Connection line, filter dryer, elec-...
  • Page 157 Parts lists Heat pump module, type BWC/WWC (cont.) 0002 0022 0009 0013 0026 0025 0006 0015 0020 0021 0025 0026 0023 0008 0022 0025 0026 0009 0007 0003 0013 0019 0014 0015 0005 0001 0026 0025 0018 0011 0012 0004 0016 0024 0017...
  • Page 158 Parts lists Hydraulics, type BWC/WWC 0001 Gasket A 35 x 45 x 2 mm 0016 Circulation pump for cylinder 0002 Spring clip for temperature sensor heating (VIRS 25/7-3) 0003 Air vent valve G ⅜ 0017 Circulation pump head for circula- 0004 Temperature sensor Pt500 tion pump for cylinder heating 0005 Gasket A 30 x 44 x 2 mm...
  • Page 159 Parts lists Hydraulics, type BWC/WWC (cont.) 0023 0005 0004 0002 0009 0015 0015 0012 0001 0014 0005 0013 0001 0011 0001 0013 0003 0018 0001 0007 0016 0021 0005 0017 0019 0005 0021 0005 0022 0004 0010 0002 0002 0004 0021 0022 0007...

  • Page 160: Control Parameters Report

    Commissioning/service reports Commissioning/service reports Hydraulic parameter report Setting and test values Set value Commis- sioning Frost protection (brine medium) °C –15 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 161 Commissioning/service reports Commissioning/service reports (cont.) System definition Parameter Code Delivered condi- Commis- tion sioning "System scheme" (see chapter "System 7000 scheme") "Temperature differential for calculat- 7003 40 (≙ 4 K) ing the heating limit" "Temperature differential for calculat- 7004 40 (≙ 4 K) ing the cooling limit"...
  • Page 162 Commissioning/service reports Commissioning/service reports (cont.) Compressor Parameter Code Delivered condi- Commis- tion sioning "Enable compressor" 5000 "Output compressor stage" 5030 Rated heating out- put according to type plate "Enable compressor" 5100 "Output compressor stage 2" 5130 Rated heating out- put according to type plate External heat source Parameter...
  • Page 163 Commissioning/service reports Commissioning/service reports (cont.) Parameter Code Delivered condi- Commis- tion sioning "Stop optimisation for DHW heating" 600 A "Set DHW temperature 2" 600C 600 (≙ 60 °C) "Temperature sensor at bottom of 600E DHW cylinder" "Enable booster heaters for DHW heat- 6014 ing"...
  • Page 164 Commissioning/service reports Commissioning/service reports (cont.) Internal hydraulics Parameter Code Delivered condi- Commis- tion sioning "Heat pump for drying a building" 7300 "Time program for screed drying" 7303 "Set flow temperature for external de- 730C 500 (≙ 50 °C) mand" "Operating mode primary pump" 7320 Do not adjust "Operating mode secondary pump"...
  • Page 165 Commissioning/service reports Commissioning/service reports (cont.) Heating circuit 2 Parameter Code Delivered condi- Commis- tion sioning "Standard room temperature" 3000 200 (≙ 20 °C) "Reduced room temperature" 3001 200 (≙ 20 °C) "Remote control" 3003 "Heating curve level" 3006 0 (≙ 0 K) "Heating curve slope"...
  • Page 166 Commissioning/service reports Commissioning/service reports (cont.) Parameter Code Delivered condi- Commis- tion sioning "Influence room temperature hook-up 7104 cooling circuit" "Cooling curve level" 7110 0 (≙ 0 K) "Cooling curve slope" 7111 12 (≙1.2) "Enable active cooling" 71FE Time Parameter Code Delivered condi- Commis- tion...
  • Page 167 Specification Specification for brine/water heat pumps Type BW/BWS 351.A07 Output data to EN 14511 (B0/W35, 5 K spread) Rated heating output 7.35 Cooling capacity 5.83 Power consumption 1.63 Coefficient of performance ε (COP) 4.50 Output data to EN 14511 (B0/W35, 10 K spread) Rated heating output 7.55 Cooling capacity...
  • Page 168 Specification Specification for brine/water heat pumps (cont.) Type BW/BWS 351.A07 Refrigerant circuit Refrigerant R134a Refrigerant charge 2.35 Permiss. operating pressure, low pressure side Permiss. operating pressure, high pressure side Compressor Type Hermetic scroll Permiss. operating pressure Primary circuit Secondary circuit Dimensions Total length Total width...
  • Page 169 Specification Specification for brine/water heat pumps (cont.) Type BWC 351.A07 Brine (primary circuit) Capacity Min. flow rate (spread 5 K) 1100 Residual head (at min. flow rate) mbar Max. flow temperature °C Min. flow temperature °C –10 Heating water (secondary circuit) Capacity Min.
  • Page 170 Specification Specification for brine/water heat pumps (cont.) Type BWC 351.A07 Permiss. operating pressure Primary circuit Secondary circuit Dimensions Total length Total width Total height without programming unit Total height (programming unit open) 1155 Weight Connections Primary circuit flow/return 1½ Secondary circuit flow/return 1½...
  • Page 171 Specification Specification for water/water heat pumps Type BW in conjunction with "conversion kit for water/wa- 351.A07 ter heat pump" Output data to EN 14511 (W10/W35, 5 K spread) Rated heating output 10.22 Cooling capacity 8.59 Power consumption 1.75 Coefficient of performance ε (COP) 5.83 Brine (primary circuit) Capacity...
  • Page 172 Specification Specification for water/water heat pumps (cont.) Type BW in conjunction with "conversion kit for water/wa- 351.A07 ter heat pump" Refrigerant circuit Refrigerant R134A Refrigerant charge 2.35 Permiss. operating pressure, low pressure side Permiss. operating pressure, high pressure side Compressor Type Hermetic scroll Permiss.
  • Page 173 Specification Specification for water/water heat pumps (cont.) Type BWC in conjunction with "conversion kit for water/ 351.A07 water heat pump" Output data to EN 14511 (W10/W35, 5 K spread) Rated heating output 10.26 Cooling capacity 8.69 Power consumption 1.69 Coefficient of performance ε (COP) 6.07 Brine (primary circuit) Capacity...
  • Page 174 Specification Specification for water/water heat pumps (cont.) Type BWC in conjunction with "conversion kit for water/ 351.A07 water heat pump" Refrigerant circuit Refrigerant R134a Refrigerant charge 2.35 Permiss. operating pressure, low pressure side Permiss. operating pressure, high pressure side Compressor Type Hermetic scroll Permiss.

  • Page 175: Heat Pump Commissioning Order

    All windows and external doors sealed. Geothermal probes/well and connection lines fully installed. Components for cooling mode fully installed (optional). Preferred appointment: Date Time Date Time All work ordered from Viessmann will be charged to me/us in accordance with the current Viessmann pricelist. Place/date Signature...

  • Page 176: Declaration Of Conformity

    Declaration of conformity We, Viessmann Werke GmbH & Co KG, D-35107 Allendorf, confirm as sole respon- sible body that the product Vitocal 350-G, type BW 351.A07, type WW 351.A07, type BWS 351.A07, type BWC 351.A07, type WWC 351.A07 incl. the heat pump...

  • Page 177: Keyword Index

    Keyword index Keyword index Charging the secondary circuit..112 AC-Box.........10, 53 Checking Accessories, cooling......10 ■ Sensors........128 Active cooling.......51, 53 Checking diaphragm grommets..108 Appliance fuses........129 Checking the system pressure..112 Appliance too noisy......129 Circulation pump for cylinder heat- Assembly......130, 140, 150 ing......48, 53, 59, 116, 128 Assembly, casing Circulation pump for cylinder reheat- ■...
  • Page 178 Keyword index Keyword index (cont.) Cross connect PCB....77, 124 Electric booster heater.....120 Curve Electronic expansion valve....127 ■ Temperature sensor, type Pt500. .129 Electronic expansion valve EEV..6 ■ Temperature sensor type Ni500...129 Enable external extension....121 Cylinder loading pump.......59 Expansion PCB....77, 83, 124 Cylinder primary pump.....116 Expansion vessel....48, 53, 59 Cylinder temperature sen-...
  • Page 179 Keyword index Keyword index (cont.) Frost stat Instantaneous heating water ■ Connection.......28, 32 heater......6, 48, 53, 59, 127 Full wave soft starter......124 ■ Parameters........120 Fuses, checking.......129 ■ Switching module.....55, 63 Instructing the system user....122 Intended use........6 Geothermal collector....48, 53, 59 Internal components Geothermal probe....48, 53, 59 ■...
  • Page 180 Keyword index Keyword index (cont.) Output extension........6 Power supply.........8, 98 Output lag heat pump......121 ■ Compressor....50, 56, 65, 124 Outside temperature sensor. .48, 53, 59 ■ Heat pump control unit..50, 56, 65 ■ Curve..........128 Power supply, compressor Overflow valve........48 ■ Required cable length.....12 Overview Power supply, heat pump control unit ■...
  • Page 181 Solar control unit........60 Transport brackets......67 Solar-Divicon........60 Solar thermal system....57, 117 Specification Underfloor heating......81 ■ Vitocal 350-G........167 Underfloor heating circuit....81 Standard tariff meter..101, 102, 104 ■ With mixer.....51, 53, 57, 60 Swimming pool.......57, 61, 95 ■ Without mixer......45, 48 System example 1......45 Uneven floor.........8...
  • Page 182 Keyword index Keyword index (cont.) Weight..........8 Wall clearances........9 Well pump Warranty..........113 ■ Electrical connection...19, 28, 32 Water/water heat pump......7...
  • Page 184 Applicability Serial No.: 7452609 7452610 7452611 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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