Viessmann VITOCAL 350-G PRO Installation And Service Instructions Manual
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Viessmann VITOCAL 350-G PRO Installation And Service Instructions Manual

Heat pump with electric drive, 2 and 3-stage
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Viesmann
Installation and service instructions
for contractors
Vitocal 350-G Pro
Type BW 352.B027 to BW 353.B198, 27.2 to 197.0 kW
Heat pump with electric drive, 2 and 3-stage
VITOCAL 350-G PRO
Please keep safe.
5855865 GB
8/2019

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Summary of Contents for Viessmann VITOCAL 350-G PRO

  • Page 1 Viesmann Installation and service instructions for contractors Vitocal 350-G Pro Type BW 352.B027 to BW 353.B198, 27.2 to 197.0 kW Heat pump with electric drive, 2 and 3-stage VITOCAL 350-G PRO Please keep safe. 5855865 GB 8/2019...
  • Page 2 Safety instructions Safety instructions Please follow these safety instruc- tions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Please note This symbol warns against the risk of material losses and environmen- tal pollution.
  • Page 3 Safety instructions Safety instructions (cont.) Safety instructions for working on the system Working on the system Please note Electronic assemblies can be dam- Isolate the system from the power sup- ■ aged by electrostatic discharge. ply, e.g. by removing the separate fuse Prior to commencing work, touch or by means of a mains isolator, and earthed objects such as heating or...
  • Page 4 Further measures before starting work Replace faulty components only on the refrigerant circuit with flammable with genuine Viessmann spare refrigerants (R32): parts. Remove all flammable materials and ■ Auxiliary components, spare and...
  • Page 5 2. Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................10 Vitocal 350-G Pro ................10 ■ 3. Preparing for installation General information on electrical connection ......... 11 Transport and siting requirements: Heat pump ........11 Unloading and transport ..............
  • Page 6 8. Parts lists Ordering parts ..................65 Parts, heat pump ................... 66 Parts, heat pump, PCB ................68 9. Specification Specification – Vitocal 350-G Pro ............70 10. Appendix Heat pump commissioning request ............78 Final decommissioning Dismantling/disposal ................79 12.
  • Page 7 Safety and liability Occupational safety Responsibilities during the lifecycle Lifecycle System External Manufac- Refriger- Logistics Electri- Service Disposal user person- turer ation en- cian/ engineer contrac- gineer heating contrac- Manufacture Delivery, mov- ing, handling, siting Installation Commission- Operation Maintenance, repair, shut- down Dismantling, removal, col-...
  • Page 8 Safety and liability Occupational safety (cont.) Working on the heat pump Note Danger Before commissioning and after repair or maintenance Heavy and unwieldy heat pump components work, check that the heat pump is in the intended con- can result in life threatening crushing or break- dition.
  • Page 9 Dispose of component at a suitable collec- tion point. Do not dispose of component in domestic waste. Intended use The Vitocal 350-G Pro heat pump, types BW 352.B027 to BW 353.B198, can be used for the following purpo- ses: ■...
  • Page 10 Incor- authorised and trained personnel. rect use also occurs if the components in the heating system are modified from their intended function. Product information Vitocal 350-G Pro Medium Brine/water 2-stage heat pumps Type BW 352.B027, 352.B034, 352.B056, 352.B076,...
  • Page 11 Unloading and transport Note Note Before unloading, check the consignment for damage. Viessmann (Schweiz) AG accepts no liability for Note down any damage on the delivery note and notify any damage resulting from incorrect handling. the haulage contractor. ■...
  • Page 12 Preparing for installation Transport and siting requirements: Heat pump (cont.) Handling by crane Fig. 1 Lifting shackle attachment points Edge protection (e.g. 2 or 3 layers of corrugated Sling suitable for the weight (see page 13) cardboard) Cross beam to relieve the load on the frame Note Lifting with slings is only permitted without the side, front or back panels fitted.
  • Page 13 Preparing for installation Transport and siting requirements: Heat pump (cont.) Installation room requirements Please note Observe minimum room volume (to EN 378). ■ Unfavourable ambient conditions can lead to Observe additional country-specific regulations. malfunctions and appliance damage. ■ Observe the floor area and minimum clearances ■...
  • Page 14 Preparing for installation Transport and siting requirements: Heat pump (cont.) Minimum clearances Ensure adequate clearance around the system for Power cable entry maintenance, repair and dismantling. With connection set and anti-vibration expansion joints (accessories) One heat pump Clearances for installation and maintenance: 500 mm ≥...
  • Page 15 Preparing for installation Transport and siting requirements: Heat pump (cont.) Fig. 5 Reinforced concrete B25 Pressure-tested sound insulation layer, approx. Floor construction, screed 10 to 20 mm thick Top edge unfinished floor Heat pump Impact sound insulation as per regulations Pressure points of the heat pump feet Type BW 352.B076, BW 352.B097, BW 352.B114, BW 352.B132, BW 352.B156...
  • Page 16 Preparing for installation Transport and siting requirements: Heat pump (cont.) Type BW 353.B172, BW 353.B198 2800 Fig. 8 Pressure point, foot ê Connection area Operating side Service area Pressure-tested sound insulation layer, approx. 10 to 20 mm Requirements for on-site connections Dimensions, type BW 352.B027, BW 352.B034 and BW 352.B056 1848 Fig.
  • Page 17 Preparing for installation Requirements for on-site connections (cont.) Extra low voltage (ELV) < 50 V Power supply 230 V/50 Hz Power supply 400 V/50 Hz Note The dimensions excluding the side panels are the transport dimensions for handling. Dimensions, type BW 352.B076, BW 352.B097 and BW 352.B114 2153 Fig.
  • Page 18 Preparing for installation Requirements for on-site connections (cont.) Dimensions, type BW 352.B132 and BW 352.B156 2153 Fig. 11 Primary circuit flow (brine inlet) Primary circuit return (brine outlet) Secondary circuit flow (outlet) Secondary circuit return (inlet) Extra low voltage (ELV) < 50 V Power supply 230 V/50 Hz Power supply 400 V/50 Hz Note...
  • Page 19 Preparing for installation Requirements for on-site connections (cont.) Dimensions, type BW 353.B172 and BW 353.B198 2816 Fig. 12 Primary circuit flow (brine inlet) Extra low voltage (ELV) < 50 V Primary circuit return (brine outlet) Power supply 230 V/50 Hz Secondary circuit flow (outlet) Power supply 400 V/50 Hz Secondary circuit return (inlet)
  • Page 20 Preparing for installation Hydraulic connection requirements (cont.) Overall hydraulic diagram for heat sources geothermal and water Fig. 13 Black: Hydraulics of lead heat pump (master) Cascade (max. 2 heat pumps, one master and Grey: Hydraulics of lag heat pump (slave) and DHW one slave) circulation Heat pump communication via Modbus Ether-...
  • Page 21 Preparing for installation Hydraulic connection requirements (cont.) Extension for heating circuit 2 (HC2), ZK03863 Pos. Designation Extension for heating circuit 3 (HC3), ZK03864 Circulation pump for well/groundwater (on-site Extension for heating circuit 4 (HC4), ZK03865 sizing) Extension for cooling via HC1, ZK03866 Refrigerant sensor Extension for cooling via HC2, ZK03867 Flow switch, coolant buffer cylinder...
  • Page 22 Preparing for installation Hydraulic connection requirements (cont.) Pos. Designation Pos. Designation Temperature limiter HC1 2-way motorised damper, air/brine heat ex- changer, residual heat (on-site sizing for type 3-way diverter valve, heating/cooling HC1 (on- BW 352.B027, 034 and 056) site sizing) 2-way motorised damper, DHW heating inlet, Heating circuit pump HC1 (on-site sizing) heat pump (on-site sizing for type BW...
  • Page 23 Preparing for installation Hydraulic connection requirements (cont.) Hydraulic connection, geothermal probe Required components Pos. Designation Heat pump Heat pump control unit Primary pump (on-site sizing) MASTER Outside temperature sensor (on-site sizing) Expansion vessel (on-site sizing) Geothermal probe (on-site sizing) Geothermal probe manifold (on-site sizing) Safety assembly, primary circuit (on-site siz- ing) Pressure switch, primary circuit...
  • Page 24 Preparing for installation Hydraulic connection requirements (cont.) Hydraulic connection, coolant (from industrial waste heat) Note The max. inlet temperature for water/water heat pumps is 20 °C. At higher coolant temperatures, a low end controller (on site) must limit the inlet temperature. Note The separating heat exchanger must be resistant to the substances contained in the coolant.
  • Page 25 Preparing for installation Hydraulic connection requirements (cont.) Required components Pos. Designation Heat pump Heat pump control unit 2-way motorised damper, heating water buffer cylinder outlet (on-site sizing for type BW 352.B027, 034 and 056) Secondary pump (on-site sizing) Outside temperature sensor (on-site sizing) Safety assembly, secondary circuit Expansion vessel (on-site sizing) Refrigerant sensor...
  • Page 26 Preparing for installation Hydraulic connection requirements (cont.) Hydraulic connection, residual heat exchanger (air conditioning mode) Pos. Designation Geothermal probe manifold (on-site sizing) Safety assembly, primary circuit (on-site sizing) Pressure switch, primary circuit Separating heat exchanger, groundwater-brine Primary side flow switch Dirt filter (on-site sizing) Circulation pump for well/groundwater (on-site sizing)
  • Page 27 Preparing for installation Hydraulic connection requirements (cont.) Hydraulic connection, cylinder loading system Required components Pos. Designation Extension for DHW heating, DHW cylinder, ZK03856 Heat pump Heat pump control unit Secondary pump (on-site sizing) Outside temperature sensor (on-site sizing) Safety assembly, secondary circuit Expansion vessel (on-site sizing) Refrigerant sensor DHW cylinder (on-site sizing)
  • Page 28 Preparing for installation Hydraulic connection requirements (cont.) MASTER Fig. 22 External heat generator and DHW cylinder Required components Pos. Designation Pos. Designation Immersion heater, DHW cylinder (on-site sizing) Extension for DHW heating, DHW cylinder, Cylinder loading pump, high temperature main- ZK03856 tenance, DHW heating (on-site sizing) Extension for DHW heating with oil/gas boiler,...
  • Page 29 Preparing for installation Hydraulic connection requirements (cont.) Hydraulic connection, heating circuit/cooling circuit Fig. 23 Required components Pos. Designation Pos. Designation Temperature limiter HC2 Extension for heating circuit 1 (HC1), ZK03862 3-way diverter valve, heating/cooling HC2 (on- Extension for heating circuit 2 (HC2), ZK03863 site sizing) Extension for heating circuit 3 (HC3), ZK03864 Heating circuit pump HC2 (on-site sizing)
  • Page 30 Installation sequence Siting the heat pump Levelling the heat pump Site and level the heat pump horizontally as described on page 13 onwards. Fig. 24 Removing the transport brackets Please note Operating the appliance without first removing the transport brackets may cause vibrations and excessive noise.
  • Page 31 Installation sequence Siting the heat pump (cont.) Fitting the back panel, side panels and kicking plates Note After fitting the back panel, make the hydraulic and electrical connections. See following chapter. Fig. 26...
  • Page 32 Installation sequence Making the hydraulic connections Overview of hydraulic connections For information on the position of the hydraulic con- nections, see page 16 onwards. Connecting the heat pump Note Installation accessories The back panel must be fitted before the hydraulic Technical guide connection is made.
  • Page 33 Installation sequence Making the hydraulic connections (cont.) Dimensions Type in mm in mm in mm BW 352.B027 DN 65/PN 10, 380 mm 209 DN 65/PN 10, 540 mm ≥ 700 BW 352.B034 DN 65/PN 10, 380 mm 231 DN 65/PN 10, 540 mm ≥...
  • Page 34 4. Insulate primary lines inside the building with ther- mally insulating and vapour diffusion-proof materi- 2. Ensure adequate thermal and anti-vibration insula- als. tion of all pipes routed through walls. 5. Fill the primary circuit with Viessmann heat transfer medium and vent. See page 56.
  • Page 35 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 the secondary circuit in line with VDI sion vessel and safety assembly (in accordance 2035. See page 57. with DIN 4757).
  • Page 36 Installation sequence Electrical connections (cont.) 400 V~ 230 V~ <50 V Fig. 33 1. Route extra low voltage (ELV) leads through 3. Route power cable for compressor through "< 50 V" entry to heat pump wiring chamber. "400 V~" entry to heat pump wiring chamber. Always secure the power cable with strain relief fit- 2.
  • Page 37 Installation sequence Electrical connections (cont.) Wiring chamber Fig. 34 Mains isolator Load fuse, compressor 3 Load fuse, compressor 2 Load fuse, compressor 1 Backup fuse, plug-in socket system Power supply unit 24 V– 5-port switch Secondary fuses 24 V–/24 V~ Fuse, primary and secondary pumps Fuse, circulation pump, groundwater/waste heat Control fuse 230 V~...
  • Page 38 Installation sequence Electrical connections (cont.) Fuse, circulation pump, control extension, DHW heating Fuse, circulation pump, control extension, AC/NC cooling Terminals, oil sump heaters Soft start, compressor 1 Soft start, compressor 2 Soft start, compressor 3 External connections Danger Incorrectly executed electrical installations can result in injuries from electrical current and dam- age to the appliance.
  • Page 39 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 201XD3 Secondary pump control Floating N/O contact: 1: Start command EB signals Closed: Secondary pump demand 2: Start command EB Open: No demand 3: Set value 0-10 V Signal 0 to 10 V 4: GND 5: Operating message COM...
  • Page 40 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 205XD1 Circulation pump load, ex- Fuse protection from load fuse 105FC1 (ob- 1: Phase conductor L1 ternal heat generator serve the total current of max. 16 A) 2: Phase conductor L2 Connection values: 3: Phase conductor L3 Max.
  • Page 41 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 209XD1 DHW circulation pump load Fuse protection from load fuse 105FC1 (ob- 1: Phase conductor L1 serve the total current of max. 16 A) N: Neutral conductor Connection values: PE: Protective conductor Max.
  • Page 42 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 213XD3 Heating circuit pump con- Floating N/O contact: trol signals, heating circuit Closed: Heating circuit pump demand, heat- 1: Start command EB ing circuit 4 2: Start command EB Open: No demand 3: Operating message COM...
  • Page 43 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 433XD1 2-way motorised damper, Connection values: 1: Valve OPEN well/groundwater, geother- Voltage: 24 VDC ■ 2: Valve CLOSED mal probes Max. switching current: 5 A ■ 3: 24 VDC 4: 0 VDC PE: Protective conductor 434XD1...
  • Page 44 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 440XD7 Operating message, cool- Floating N/O contact: 1: External potential ing, heating circuit 2 Closed: Operation 2: Signal (digital) Connection values: Max. voltage: 250 V~ ■ Max. switching current: 5 A (AC1) ■...
  • Page 45 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 462XD1 3-way mixer, heating/cool- Connection values: 1: 24 VDC ing circuit 1 Voltage: 24 VDC ■ 2: 0 VDC Signal 0 to 10 V ■ 3: Set value 0-10 V 4: GND PE: Shield connection 462XD5...
  • Page 46 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 502XD5 Temperature limiter, heat- Open: Fault 1: 24 VDC ing circuit 3 2: Contact NC PE: Protective conductor 502XD7 Temperature limiter, heat- Open: Fault 1: 24 VDC ing circuit 4 2: Contact NC PE: Protective conductor 503XD1...
  • Page 47 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 552XD5 Flow temperature sensor Pt1000 1: R+ NC/AC 2: R– PE: Shield connection 552XD7 Temperature sensor, heat Pt1000 1: R+ exchanger, residual heat, 2: R– water outlet PE: Shield connection 553XD1 Temperature sensor, heat Pt1000...
  • Page 48 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 600XD2 Start command, stage 1 External N/O contact 1: 24 VDC Potential 24 VDC from heat pump 2: Signal (digital) Closed: Active 600XD3 Start command, stage 2 External N/O contact 1: 24 VDC Potential 24 VDC from heat pump 2: Signal (digital)
  • Page 49 Installation sequence Electrical connections (cont.) Terminals No. in Function Explanation dia- gram 630XD3 Collective message, priority Floating N/O contact: 1: External potential Closed: Standard mode 2: Signal (digital) Note Open: Fault Heat pump Connection values: Max. voltage: 250 V~ ■ Max.
  • Page 50 Installation sequence Power supply Isolators for non-earthed conductors Consult your power supply utility, which may offer dif- ■ ■ The integral ON/OFF switch must simultaneously ferent supply tariffs for the power circuits. isolate all non-earthed conductors from the mains Observe the technical connection requirements of with a minimum contact separation of 3 mm.
  • Page 51 Installation sequence Power supply (cont.) Type BW 2-stage 352.B027 352.B034 352.B056 352.B076 352.B097 Electrical values, heat pump Rated voltage 3/N/PE 400 V/50 Hz Starting system Soft start Starting current per compressor Total starting current (per stage) Max. total operating current Max.
  • Page 52 Installation sequence Power supply (cont.) Power supply with power-OFF without on-site load disconnect (delivered condition) The power-OFF signal is connected directly potential- Note free to the heat pump control unit. The compressors Observe the technical connection requirements of the are shut down when power-OFF is enabled. relevant power supply utility.
  • Page 53 Installation sequence Fitting the shaft and dial for the ON/OFF switch and installing the programming unit Note The shaft and dial for the ON/OFF switch as well as the programming unit are delivered inside the wiring chamber of the heat pump. Only fit the programming unit after all electrical connections have been made.
  • Page 54 Installation sequence Closing the heat pump (cont.) Have all cable entries been correctly applied and Have transport brackets been removed? ■ ■ sealed against moisture ingress? ■ Are the back and side panels securely attached? ■ Do all hydraulic connections have airtight sealing and insulation with thermal and vapour diffusion- proof materials? Fig.

  • Page 55: Table Of Contents

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • • 1. Opening the heat pump..................... 56 • 2. Compiling reports......................56 • • • 3. Checking the refrigerant circuit for leaks................ 56 •...

  • Page 56: Opening The Heat Pump

    Commissioning, inspection, maintenance Opening the heat pump Danger Note Contact with live components can lead to seri- Work on the refrigerant circuit may only be carried out ous injury from electric current. by qualified refrigeration engineers. Work on electrical ■ Never touch the terminal areas for the heat equipment may only be carried out by qualified electri- pump control unit or power supply;...

  • Page 57: Filling And Venting On The Secondary Side

    Commissioning, inspection, maintenance Filling and venting on the primary side (cont.) 3. Fill the primary circuit with Viessmann heat transfer medium and vent. Note A minimum frost protection level of –16.1 °C (freez- ing point) must be observed. Please note Leaking hydraulic connections lead to appli- ance damage.

  • Page 58: Checking The Electronic Flow Switch, Type Ifm

    Commissioning, inspection, maintenance Commissioning the system (cont.) Note Note The type and extent of parameters depend on the heat Commissioning must only be carried out by trained pump type and the system configuration. and authorised contractors. Observe the instructions in the separate service instructions for the Vitotronic SPS heat pump control unit, type 2.0, otherwise the appliance warranty will be void.

  • Page 59: Fitting The Top Panel And Front Panel (Closing The Heat Pump)

    Commissioning, inspection, maintenance Checking the electronic flow switch, type IFM (cont.) Flow switch operating displays Meaning Several LEDs illuminate green. Indication between no flow rate (no LED illuminates) and maximum flow rate (all LEDs illuminate green). The higher the flow rate, the more LEDs illuminate green. LED "9"...
  • Page 60 Troubleshooting Diagnosis Excessive noise Possible causes: Hydraulic line not connected free of load and torque ■ Transport bracket not removed stress ■ ■ Front panel not tightly closed ■ Anti-vibration elements for hydraulic connection are ■ Side panels not securely closed missing ■...
  • Page 61 Repairs Removing the front panel and top panel 1. Set the ON/OFF switch to OFF or 0. 4. Carefully remove the top panel (see page 54). 2. Undo both screws on the underside of the front panel. Please note The cables between the programming unit and the wiring chamber can sustain dam- age.
  • Page 62 Repairs Overview of internal components Fig. 39 Example: 3-stage heat pump Secondary circuit return temperature sensor (inlet) Suction gas temperature sensor High pressure sensor Low pressure sensor Primary circuit return temperature sensor (outlet) Safety high pressure switch, stage 2 Refrigerant sight glass Piston compressor 3 Secondary circuit flow temperature sensor (outlet) Safety high pressure switch, stage 1...
  • Page 63 Repairs Draining the heat pump on the primary/secondary side Drain the heat pump at the on-site drain valve on the primary/secondary side. Checking the sensors For the position of the sensors in the heat pump: See Connect the sensors: See separate "Connection and Fig.
  • Page 64 Repairs 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 65 Parts lists Ordering parts The following details are required when ordering parts: ■ Serial no. (see type plate) ■ Position number of the part (from this parts list)
  • Page 66 Parts lists Parts, heat pump 0014 0001 0002 0014 0016 0010 0011 0012 0003 0004 0004 0047 0009 0004 0014 0015 0008 0014 0006 0013 0005 0007 0005 0005 0005 Fig. 41...
  • Page 67 Parts lists Parts, heat pump (cont.) Pos. Part 0001 Condenser 0002 Evaporator 0003 Pressure transmitter 0004 High pressure control 0005 Piston compressor 0006 Pressure transmitter 0007 Oil sump heater 0008 Pressure transmitter 0009 Filter dryer/filter dryer housing 0010 Plug-in temperature sensor 0011 Sensor clip 0012...
  • Page 68 Parts lists Parts, heat pump, PCB Separate "connection and wiring diagram" Pos. Part No. in connection and wiring diagram 0017 Motor overload relay -118BA3 0018 Outside temperature sensor 551WD1 0019 Circuit breaker 104FC1, 105FC1 0020 Circuit breaker 108FC7 0021 Neutral conductor isolator 102FC1 0022 Shaft and dial for ON/OFF switch...
  • Page 69 Parts lists Parts, heat pump, PCB (cont.) Pos. Part No. in connection and wiring diagram 0040 Relay socket for 2 changeover contacts 110KF7, 110KF8, 118KF5, 120KF7, 120KF8, 128KF5, 130KF7, 130KF8, 138KF5, 200KF8, 201KF8, 202KF8, 203KF8, 204KF8, 205KF8, 206KF8, 207KF8, 208KF8, 209KF8, 210KF8, 211KF8, 212KF8, 213KF8, 380KF8, 430KF8, 431KF8, 432KF8, 433KF8, 434KF8, 435KF8, 436KF8, 437KF8, 438KF8, 439KF8, 440KF8,...
  • Page 70 (COP) ε Parameters need to be adjusted in connection with ice store systems. Viessmann must be consulted. Always observe the minimum flow rate. It may be necessary to install a flow switch. The max. flow temperature at brine inlet temperature...
  • Page 71 Parameters need to be adjusted in connection with ice store systems. Viessmann must be consulted. Always observe the minimum flow rate. It may be necessary to install a flow switch. The max. flow temperature at brine inlet temperature...
  • Page 72 Specification Specification – Vitocal 350-G Pro (cont.) Operation: Water/water with brine intermediate circuit (W10/W35) at brine inlet temperature in heat pump +8 °C (B8) Type BW 2-stage 352.B027 352.B034 352.B056 352.B076 352.B097 Performance data to EN 14511 Rated heating output 37.2...
  • Page 73 Specification Specification – Vitocal 350-G Pro (cont.) Type BW 2-stage 3-stage 352.B114 352.B132 352.B156 353.B172 353.B198 Primary circuit (brine) Spread Frost protection limit/freezing point (rec- °C -9.0 -9.0 -9.0 -9.0 -9.0 ommended heat transfer medium Tyfocor) Heat exchanger capacity (brine) 21.9...
  • Page 74 Specification Specification – Vitocal 350-G Pro (cont.) Type BW 2-stage 352.B027 352.B034 352.B056 352.B076 352.B097 Electrical values, heat pump Rated voltage 3/N/PE 400 V/50 Hz Starting system Soft start Starting current per compressor Total starting current (per stage) Max. total operating current Max.
  • Page 75 Specification Specification – Vitocal 350-G Pro (cont.) Type BW 2-stage 352.B027 352.B034 352.B056 352.B076 352.B097 Dimensions Total length 1848 1848 1848 2153 2153 Total width Handling width Total height 1450 1450 1450 1650 1650 Total weight of standard unit 1065...
  • Page 76 Specification Specification – Vitocal 350-G Pro (cont.) Type BW 2-stage 3-stage 352.B114 352.B132 352.B156 353.B172 353.B198 Refrigerant circuit Number of refrigerant circuits Number of compressors Compressor type Piston Refrigerant R134a Refrigerant charge (standard value), see 12.0 14.0 17.0 19.0 22.0...
  • Page 77 Information on refrigerant The specifications in the datasheets and the product The EC safety datasheet for the refrigerant used can description describe purely physical characteristics. be obtained from Viessmann Werke Technical Service. Additional assurances or guarantees require a sepa- rate contractual agreement.
  • Page 78 Geothermal probes/well and connection lines fully installed, filled and vented 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 79 Final decommissioning Dismantling/disposal Once the appliance reaches the end of its service life, The heat pump is filled with refrigerant R134a. The or when replacing components, observe the statutory refrigerant is a fluorocarbon and has a global warming regulations on dismantling, recovery and disposal. potential (GWP) of 1430.
  • Page 80 The product characteristics determined as system values for the product Vitocal 350-G Pro (see technical guide) can be utilised to assess the energy efficiency of heating and ventilation systems in buildings to DIN V 4701-10 as specified by the EnEV [Germany].
  • Page 81 Keyword index Keyword index Adjusting operating display........59 Inspection..............56 Ambient temperatures..........13 Installation room............13 Appliance fuses............63 – Heat pump...............11 Appliance too noisy............ 60 Instructing system user..........59 Intended use..............9 Internal components Brine/water heat pump..........10 – Overview..............62 Isolators..............50 Cable lengths............. 50 Clearances..............
  • Page 82 Keyword index Keyword index (cont.) Transport bracket............60 Seal ring replacement..........57 Transport bracket removal......... 30 Secondary circuit, filling..........57 Secondary circuit, filling and venting......57 Secondary circuit connection........35 Venting Sensors..............62 – Primary side............56 Sensors, checking............63 – Secondary side............57 Siting..............
  • Page 84 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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