Viessmann Vitocal 300-G Installation And Service Instructions Manual
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Viessmann Vitocal 300-G Installation And Service Instructions Manual

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VIESMANN
Installation and service
instructions
for contractors
Vitocal 300-G
Type BW/BWS 301.A06 to A17, 5.9 to 17.0 kW
Type WW 301.A06 to A17, 7.9 to 23.0 kW
Heat pump, single and two-stage
Type BWC 301.A06 to A17, 5.9 to 17 kW
Type WWC 301.A06 to A17, 7.9 to 23 kW
Heat pump, single stage
For applicability, see the last page
VITOCAL 300-G
Please keep safe.
5600 161 GB
12/2010

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  • Page 1 VIESMANN Installation and service instructions for contractors Vitocal 300-G Type BW/BWS 301.A06 to A17, 5.9 to 17.0 kW Type WW 301.A06 to A17, 7.9 to 23.0 kW Heat pump, single and two-stage Type BWC 301.A06 to A17, 5.9 to 17 kW Type WWC 301.A06 to A17, 7.9 to 23 kW...
  • Page 2 Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and mate- rial losses. Safety instructions explained ■ The Code of Practice of 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 Please note Repairing components that fulfil a safety function can compromise the safe operation of your sys- tem. Replace faulty components only with original Viessmann spare parts. Auxiliary components, spare and wearing parts Please note Spare and wearing parts that...

  • Page 4: Table Of Contents

    Index Index Installation instructions Preparing for installation General information - electrical connection............Installation......................Overview of possible system schemes..............12 Primary circuit, type BW 301.A, BWC 301.A (brine/water)........14 Primary circuit, type WW 301.A, WWC 301.A (water/water)........ 16 Primary circuit, type BW 301.A + BWS 301.A (two-stage, brine/water)....19 Primary circuit, type WW 301.A + BWS 301.A (two-stage, water/water).....
  • Page 5 Index Index (cont.) Commissioning/service reports................ 146 Specification....................... 152 Appendix Heat pump commissioning order................161 Certificates Declaration of conformity..................162 Keyword index....................163...

  • Page 6: Preparing For Installation

    Preparing for installation General information - electrical connection ■ Connecting cables, heat pump These connections are made inside stage 1 – stage 2: the heat pump control unit. Observe See page 71. information from page 72. ■ Electrical connection of system ■...
  • Page 7 Preparing for installation Installation (cont.) ■ Observe required minimum clearan- BW 301.A17 148 kg ces: BWS 301.A17 144 kg BWC 301.A17 158 kg Single stage (type BW 301.A, BWC 301.A) ■ To prevent structure-borne noise, never site the appliance on ceilings with wooden joists (e.g.
  • Page 8 Preparing for installation Installation (cont.) Two-stage (type BW 301.A + BWS 301.A) = 100 ≥ 400 A ■ With hydraulic module (acces- B ■ With AC-Box (accessory, for sory, for installation above the installation to the left of the heat heat pump): pump): ≥...
  • Page 9 Preparing for installation Installation (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 ≤ 16 kW. For rate cooling circuit rated heating output of AC-Box for active cooling function higher rated heating outputs, install all ■...
  • Page 10 Preparing for installation Installation (cont.) Requirements for on-site connections Single stage (type BW 301.A, BWC 301.A) 230 V < 42 V...
  • Page 11 Preparing for installation Installation (cont.) Two-stage (type BW 301.A + BWS 301.A) 230 V 230 V 230 V < 42 V < 42 V < 42 V Install hydraulic connections on site stress-free. Line lengths in the heat pump plus wall clearance: Type BW 301.A and BWC BWS 301.A...

  • Page 12: Overview Of Possible System Schemes

    Preparing for installation Installation (cont.) Recommended power cables for all Max. lead length: types: 50 m ■ Heat pump control unit (230 V~): ■ Instantaneous heating water heater (400 V~, if installed): 3 x 1.5 mm (5 x 1.5 mm with power- OFF) 5 x 2.5 mm...
  • Page 13 Preparing for installation Overview of possible system schemes (cont.) Components selected. 0 Components can be added.

  • Page 14: Primary Circuit, Type Bw 301.A, Bwc 301.A (Brine/Water)

    Preparing for installation Primary circuit, type BW 301.A, BWC 301.A (brine/water) Hydraulic installation scheme --2/X3.8;3.9-- 15 6 Note Type BWC 301.A is shown. The circulation pumps are installed and connected at the factory (primary pump qT, secondary pump 6, circulation pump for cylinder heating 7, instantaneous heating water heater 4 optional).
  • Page 15 Preparing for installation Primary circuit, type BW 301.A, BWC 301.A… (cont.) Required equipment Pos. Description Heat pump Heat pump control unit Primary pump Brine accessory pack Pressure switch, primary circuit Brine distributor for geothermal probes/collectors Geothermal probes/collectors Electrical installation scheme For an overview of the electrical connec- tions and more information on the PCBs, see from page 72 and the separate...

  • Page 16: Primary Circuit, Type Ww 301.A, Wwc 301.A (Water/Water)

    Preparing for installation Primary circuit, type WW 301.A, WWC 301.A (water/water) Hydraulic installation scheme --2/X3.8;3.9-- --2/X3.8;3.9-- 15 6 --------- Note Type WWC 301.A is shown. The circulation pumps are installed and connected at the factory (primary pump qT, secondary pump 6, circulation pump for cylinder heating 7, instantaneous heating water heater 4 optional).
  • Page 17 Preparing for installation Primary circuit, type WW 301.A, WWC 301.A… (cont.) Equipment required Pos. Description Heat pump Heat pump control unit Primary pump Frost stat, primary circuit Brine accessory pack Pressure switch, primary circuit Separating heat exchanger, primary circuit Flow limiter, well circuit (remove jumper when connecting) Dirt trap Well pump (suction pump for groundwater;...
  • Page 18 Preparing for installation Primary circuit, type WW 301.A, WWC 301.A… (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 Well pump on-site connection 400 V~ 200 W 211.1 X2.N...

  • Page 19: Primary Circuit, Type Bw 301.A + Bws 301.A (Two-Stage, Brine/Water)

    Preparing for installation Primary circuit, type BW 301.A + BWS 301.A (two-stage, brine/water) With two primary pumps Hydraulic installation scheme --F2-- --2/X3.8;3.9-- --2/224.2-- --2/211.1-- --F3--...
  • Page 20 Preparing for installation Primary circuit, type BW 301.A + BWS 301.A… (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 21 Preparing for installation Primary circuit, type BW 301.A + BWS 301.A… (cont.) With a common primary pump Note If heat pumps stage 1 and 2 (types BW 301.A + BWS 301.A) are installed with different rated heating outputs, the dif- ferent flow rates mean that two primary pumps must be used (see page 19).
  • Page 22 Preparing for installation Primary circuit, type BW 301.A + BWS 301.A… (cont.) 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 90) Primary circuit return temperature sensor (for installation, see page 90) Brine accessory pack...
  • Page 23 Preparing for installation Primary circuit, type BW 301.A + BWS 301.A… (cont.) 211.1 200 W 224.2 X2.N X3.9 230 V; 0.15 A X3.8 PT500 PT500...

  • Page 24: Primary Circuit, Type Ww 301.A + Bws 301.A (Two-Stage, Water/Water)

    Preparing for installation Primary circuit, type WW 301.A + BWS 301.A (two-stage, water/water) With two primary pumps Hydraulic installation scheme --F2-- --2/X3.8;3.9-- --2/224.2-- --2/211.1-- --F3-- --2/X3.8;3.9-- ---------...
  • Page 25 Preparing for installation Primary circuit, type WW 301.A + BWS 301.A… (cont.) Equipment required Pos. Description Heat pump stage 1 Heat pump control unit Heat pump stage 2 Primary pump, heat pump stage 1 Primary circuit flow temperature sensor (for installation, see page 90) Primary circuit return temperature sensor (for installation, see page 90) Frost stat, primary circuit...
  • Page 26 Preparing for installation Primary circuit, type WW 301.A + BWS 301.A… (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 27 Preparing for installation Primary circuit, type WW 301.A + BWS 301.A… (cont.) Well pump on-site 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;...
  • Page 28 Preparing for installation Primary circuit, type WW 301.A + BWS 301.A… (cont.) With a common primary pump Note If heat pumps stage 1 and 2 (types WW 301.A + BWS 301.A) are installed with different rated heating outputs, the dif- ferent flow rates mean that two primary pumps must be used (see page 24).
  • Page 29 Preparing for installation Primary circuit, type WW 301.A + BWS 301.A… (cont.) Hydraulic installation scheme --F2-- --F3-- --2/X3.8;3.9-- ---------...
  • Page 30 Preparing for installation Primary circuit, type WW 301.A + BWS 301.A… (cont.) 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 90) Primary circuit return temperature sensor (for installation, see page 90) Frost stat, primary circuit...
  • Page 31 Preparing for installation Primary circuit, type WW 301.A + BWS 301.A… (cont.) Well pump on-site 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 32: Dhw Heating

    Preparing for installation DHW heating DHW cylinder with internal indirect coil Hydraulic installation scheme --2/212.3-- --2/F7-- --2/F6-- 15 6 Note Type BWC 301.A is shown. The circulation pumps are installed and connected at the factory (primary pump qT, secondary pump 6, circulation pump for cylinder heating 7, instantaneous heating water heater 4 optional).
  • Page 33 Preparing for installation DHW heating (cont.) Required equipment Pos. Description Secondary pump Circulation pump for cylinder heating DHW cylinder Cylinder temperature sensor, bottom (optional) Cylinder temperature sensor, top DHW circulation pump (optional) Immersion heater (create electrical circuit on site. Can only be used as an alternative to the external heat source for DHW reheating.) Electrical installation scheme For an overview of the electrical connec-...
  • Page 34 Preparing for installation DHW heating (cont.) DHW cylinder with primary store system Hydraulic installation scheme --2/212.3-- --2/F6-- --2/211.4-- 15 6 Note Type BWC 301.A is shown. The circulation pumps are installed and connected at the factory (primary pump qT, secondary pump 6, circulation pump for cylinder heating 7, instantaneous heating water heater 4 optional).
  • Page 35 Preparing for installation DHW heating (cont.) Required equipment Pos. Description Secondary pump Circulation pump for cylinder heating DHW cylinder Cylinder temperature sensor Cylinder primary pump (DHW side) Plate heat exchanger Flow limiter Motorised two-way valve, normally closed DHW circulation pump Electrical installation scheme For an overview of the electrical connec- tions and more information on the PCBs,...

  • Page 36: Integration Of The Two-Stage Version In The System Examples

    Preparing for installation DHW heating (cont.) Required parameter settings for DHW heating Set the required parameters during com- missioning; see from page 108. Parameter Setting "System definition" ■ "System scheme 7000" "0" / "2" / "4" / "6" / "8" / "10"...
  • Page 37 Preparing for installation Integration of the two-stage version in the… (cont.) Hydraulic installation scheme --2/224.3-- --2/211.2-- ------ ------ --2/F2-- --2/F3-- --2/F0--...

  • Page 38: Integrating A Heat Pump Cascade Into The System Examples

    Preparing for installation Integration of the two-stage version in the… (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 39 Preparing for installation Integrating a heat pump cascade into the system… (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 40 Preparing for installation Integrating a heat pump cascade into the system… (cont.) Hydraulic installation scheme example: Heat pump cascade with two-stage heat pumps...
  • Page 41 Preparing for installation Integrating a heat pump cascade into the system… (cont.) Interface to the separate cooling Interface to the DHW cylinder circuit or heating/cooling circuit Lead appliance (two-stage) of Interface to the heating circuits the heat pump cascade or the heating water buffer cylin- II to IV Lag heat pumps 1 to 3, each two-stage Interface to the primary circuit...

  • Page 42: System Example 1, Id: 4605350_1008_01

    Preparing for installation Integrating a heat pump cascade into the system… (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 Setting system scheme 2 Type BW 301.A is shown.
  • Page 43 Preparing for installation System example 1, ID: 4605350_1008_01 (cont.) Note This scheme is a basic example without shut-off devices or safety equipment. This does not replace the need for local engineering.
  • Page 44 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 45 System example 1, ID: 4605350_1008_01 (cont.) Pos. Description Heat pump Vitocal 300-G Instantaneous heating water heater, 3, 6, or 9 kW Heat pump control unit Vitotronic 200, type WO1A Primary pump (integrated in type BWC) Secondary pump (integrated in type BWC)
  • Page 46 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 94. see from page 72 and the separate service instructions, Vitotronic 200 heat pump control unit.
  • Page 47 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 setting Set the required parameters during com-...

  • Page 48: System Example 2, Id: 4605351_1008_01

    Preparing for installation System example 1, ID: 4605350_1008_01 (cont.) Parameter Setting "System definition" ■ "System scheme 7000" "6" "Cooling" ■ "Cooling 7100" "2" ■ "Cooling circuit 7101" "1" DHW heating: "Time program DHW" Set time program (see oper- ating instructions) "Time prog.
  • Page 49 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-- --4/212.2-- --54/20-- --4/225.2;3-- --4/F13-- --4/212.1-- --4/211.2-- ---4/211.4-- --4/F6-- --B/137--...
  • Page 50 System example 2, ID: 4605351_1008_01 (cont.) Pos. Description Heat pump Vitocal 300-G Instantaneous heating water heater, 3, 6, or 9 kW Heat pump control unit Vitotronic 200, type WO1A Primary pump (integrated in type BWC) Secondary pump (integrated in type BWC)
  • Page 51 Preparing for installation System example 2, ID: 4605351_1008_01 (cont.) Pos. Description Radiator heating circuit Vitotrol 200A remote control 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 94.
  • Page 52 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 53 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 54: System Example 3, Id: 4605352_1008_01

    Preparing for installation System example 2, ID: 4605351_1008_01 (cont.) Parameter Setting "System definition" ■ "System scheme 7000" "6" ■ "External extension 7010" "1" ■ "Common flow temperature sensor system "1" 701B" "Cooling" ■ "Cooling 7100" "3" ■ "Cooling circuit 7101" "4"...
  • Page 55 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) ■ Solar thermal system Note ■ Heating water buffer cylinder This scheme is a basic example without ■ Natural cooling function at heating cir- shut-off devices or safety equipment. cuit M2 This does not replace the need for local ■...
  • Page 56 System example 3, ID: 4605352_1008_01 (cont.) Pos. Description Heat pump Vitocal 300-G Instantaneous heating water heater, 3, 6, or 9 kW Heat pump control unit Vitotronic 200, type WO1A Primary pump, UP (integrated in type BWC) Secondary pump, UP (integrated in type BWC)
  • Page 57 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) Pos. Description Collector temperature sensor KOL Solar collector Cylinder temperature sensor STS (for connection to solar control unit rQ) High limit safety cut-out STB solar Heating water buffer cylinder Heating water buffer cylinder Buffer temperature sensor PTS Heating circuit with mixer M2 Underfloor heating circuit with mixer M2...
  • Page 58 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) Pos. Description 3-way diverter valve External extension H1 Note The additional parameters for two-stage operation are set during commissioning by the certified heat pump contractor. 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 94.
  • Page 59 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 60 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) A Plug aCH connected to the cable C Move jumper from X3.1 to 222.3 harness D On-site contactor relay B Control module for instantaneous heating water heater...
  • Page 61 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 62 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 63 Preparing for installation System example 3, ID: 4605352_1008_01 (cont.) Parameter Setting "System definition" ■ "System scheme 7000" "6" ■ "Swimming pool 7008" "1" ■ "External extension 7010" "1" ■ "Common flow temperature sensor system "1" 701B" "Cooling" ■ "Cooling 7100" "2"...

  • Page 64: Installation Sequence

    Installation sequence Siting the heat pump Removing the transport brackets and levelling the heat pump Position and level the heat pump as Please note described on page 6. Operating the appliance without first removing the transport brackets may cause vibrations and excessive noise.
  • Page 65 Installation sequence Siting the heat pump (cont.) Removing the top panel...

  • Page 66: 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 104.
  • Page 67 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 68: Electrical Connections

    Installation sequence Electrical connections Installing the programming unit (type BW 301.A and BWC 301.A) [XÖ...
  • Page 69 Installation sequence Electrical connections (cont.) Routing cables to the connection area Danger When routing the on-site power cables, Damaged cable insulation can observe the location of the cable entries cause injury and damage to the into the appliance via its back panel (see appliance.
  • Page 70 Installation sequence Electrical connections (cont.) < 42 V 230 V 1. Route LV leads through the aperture 2. Route 230 V~ leads and power "< 42 V" to the heat pump control unit cables for the compressor through connection area and apply strain the aperture "230 V~"...
  • Page 71 Installation sequence Electrical connections (cont.) Connecting electrical connecting cables from the heat pump stage 2 (type BWS 301.A) to heat pump stage 1 (type BW 301.A) aJ B < 42 V 230 V~ < 42 V 230 V~ [C-Ö...
  • Page 72 Installation sequence Electrical connections (cont.) A Connection area, heat pump stage ■ With plugs aJB and aVG for the 2 (type BWS 301.A) connection area for heat pump B Connecting cables, LV < 42 V: stage 2 (type BWS 301.A). ■...
  • Page 73 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 Extension PCB on main PCB D Controller and sensor PCB...
  • Page 74 Installation sequence Electrical connections (cont.) Main PCB Information regarding the connection Set the required parameters during com- values missioning; see from page 108. ■ 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 75 Installation sequence Electrical connections (cont.) Operating 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 76 Installation sequence Electrical connections (cont.) Plug sYA Terminals Function Explanation 211.4 ■ 3-way diverter valve for Connection values heating/DHW ■ Output: 130 W ■ Circulation pump for cylin- ■ Voltage: 230 V~ der heating ■ Max. switching current: 4(2) A ■...
  • Page 77 Installation sequence Electrical connections (cont.) Plug sYS Terminals Function Explanation 212.2 Heating circuit pump for ■ This pump is installed in addition to the heating circuit without mixer secondary pump if a heating water buf- (A1) fer cylinder is connected. ■...
  • Page 78 Installation sequence Electrical connections (cont.) Connecting a temperature limiter as maximum temperature limiter for under- floor heating system General connection Connection with temperature limiter (part no. 7151 728, 7151 729) X2.N X2.N sÖ A Connection on the main PCB (211.2 or 212.2 in accordance with the A Connection on the main PCB (211.2 table above)
  • Page 79 Installation sequence Electrical connections (cont.) Connection with temperature limiter (part no. 7151 728, 7151 729) to exten- sion kit for heating circuit with mixer sÖ sÖ A Plug sÖ for extension kit B Temperature limiter C Heating circuit pump...
  • Page 80 Installation sequence Electrical connections (cont.) Extension PCB on main PCB Information regarding the connection Set the required parameters during com- values missioning; see from page 108. ■ 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 81 Installation sequence Electrical connections (cont.) Plug sXS Terminals Function Explanation 222.3 Switching external heat Zero volt contact 222.4 source with two high limit safety cut-outs (max. 70 °C) Note to protect the heat pump and ■ The switching contact is a zero volt to stop the secondary pump N/O contact that is closed when a heat demand is issued.
  • Page 82 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 83 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 84 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 85 Installation sequence Electrical connections (cont.) Plug sXG Terminals Function Explanation 225.1 Heating circuit pump of the Connect temperature limiter as maxi- heating circuit with mixer mum temperature limiter for underfloor heating circuit (if installed) in series. Connection values: ■ Output: 100 W ■...
  • Page 86 Installation sequence Electrical connections (cont.) Terminals Function Explanation ■ Power supply terminals Terminals for message and safety connec- of the control unit "L1" tions and auxiliary compo- nents Note ■ Switched phase L1: Switched phase can be used for on-site X3.1, X3.2, X3.3, X3.7, system components.
  • Page 87 Installation sequence Electrical connections (cont.) Terminals Function Explanation X3.6 Power-OFF Requires floating N/C contact: X3.7 ■ Closed: No blocking (safety chain has continuity) ■ Open: Blocking enabled ■ Breaking capacity 230 V~, 0.15 A With a connected power-OFF contact, no jumpers should be installed.
  • Page 88 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 With a connected message contact, no jumpers should be installed.
  • Page 89 Installation sequence Electrical connections (cont.) Sensors Plug Sensor Type Outside temperature sensor, connect on site Ni 500 (PTC) Primary circuit flow temperature sensor, connect on site Pt 500 (X5.2/X5.3) with two-stage heat pump (see the following chapter) (PTC) Primary circuit return temperature sensor, connect on Pt 500 (X5.4/X5.5) site with two-stage heat pump (see the following chap-...
  • Page 90 Installation sequence Electrical connections (cont.) Plug Sensor Type Connection of the LON communication module (plug in on site, see LON communication module installation instructions) Coding card slot 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...
  • Page 91 Installation sequence Electrical connections (cont.) Please note Identify sensor leads. Fasten sensor leads and disman- tled leads (with plug aS/aD) together with the other LV leads using the cable ties provided. Swimming pool water heating Note ■ Swimming pool water heating is switched via external extension H1 with KM BUS.
  • Page 92 Installation sequence Electrical connections (cont.) fÖ gÖ A Connection to controller and sensor F Circulation pump for swimming pool water heating (accessory) B External extension H1 G 3-way diverter valve "swimming pool" (at zero volt: heating of the C Thermostat for swimming pool tem- heating water buffer cylinder) perature control (zero volt contact, 230 V~;...
  • Page 93 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 appliance) E Lag heat pump 1 B KM BUS Connection at contact for "External C External extension H1 demand "...

  • Page 94: 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 Zero volt contact "External demand N/C contact X3.10 / X3.11 triggers a "...
  • Page 95 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 96 Installation sequence Power supply (cont.) Heat pump control unit power supply (230 V~) Note max.16 A This supply must never be blocked. X3.18 1/N/PE X2.1 230 V / 50 Hz ■ Max. fuse rating 16 A X1.1 ■ Standard tariff (no optional low tariff with power-OFF) A Mains terminals inside the heat ■...
  • Page 97 Installation sequence Power supply (cont.) 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 F Backup fuse ripple control receiver (accessory) G TNC system feed C Compressor...
  • Page 98 Installation sequence Power supply (cont.) Two-stage (type BW 301.A + BWS 301.A) 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 (on site) G TNC system feed...
  • Page 99 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 in the heat pump tions of the relevant power supply util- control unit.
  • Page 100 Installation sequence Power supply (cont.) A Heat pump control unit (connection F High tariff meter on cross connect PCB) G Ripple control receiver (contact B Instantaneous heating water heater open: power-OFF enabled) with (on site) backup fuse C Compressor H Economy tariff meter D Control unit power supply K TNC system feed E Mains isolator...
  • Page 101 Installation sequence Power supply (cont.) H Economy tariff meter L Compressor, heat pump stage 2 K TNC system feed (type BWS 301.A) Phase monitor (if installed) The phase monitor is used to monitor the The phase monitor switches off (switch- mains power supply to the compressor.

  • Page 102: Connecting To Terminals X3.8/X3.9

    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 103: Closing The Heat Pump

    Installation sequence Closing the heat pump Please note Danger Seal the appliance so it is sound- An absence of component earth- proof and diffusion-proof. ing in the system can lead to seri- Check tightness of internal ous injury from electrical current hydraulic connections.

  • Page 104: Checking Diaphragm Grommets

    Installation sequence Checking diaphragm grommets Please note Seal diaphragm grommets A Seal the appliance so it is sound- with adhesive tape. proof and diffusion-proof. With hose outlets, ensure dia- phragm grommets A are seated correctly.

  • Page 105: Commissioning, Inspection, 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............ 106 • 2. Writing reports..............106 •...

  • Page 106: Further Details Regarding The Individual Steps

    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 103. can lead to severe injury from electric current. 2. When work is complete, close the Never touch terminal areas heat pump;...

  • Page 107: 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 108: Checking Expansion Vessels And The Primary Circuit/ Heating Circuit Pressure

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 2. Check the pre-charge pressure of the Please note expansion vessel. To prevent equipment dam- age, check the flow and return 3. Fill (flush) and vent secondary cir- connections of the secondary cuit.
  • Page 109 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Always observe the instructions Switch on the ON/OFF switch on the in the separate service instruc- heat pump control unit. tions of the Vitotronic 200 heat ■ The prompt "Start commission- pump control unit, otherwise the ing?"...
  • Page 110 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Language Date Time Date / time Start commissioning? Programming Parameter group Parameter level 1 select Sensor values Temperature sensors display Signal inputs Signal inputs display Actuator test Actuator test carry out Subscriber check Subscriber check LON carry out...
  • Page 111 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Commissioning without the commissioning assistant Activating 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 112 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 without "System scheme 7000" heating water buffer cyl- inder; no additional heat- ing circuit pump required) Heating circuit pump A1...
  • Page 113 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 114 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Two-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 functions...
  • Page 115 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) External functions Parameter Setting External blocking of the com- "System definition" Ó "0" to "8" pressor; mixer in control "Effect of external block- mode or CLOSED ing on heat pump/heating circuits 7015"...
  • Page 116 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) External heat source External heat source parameters Setting "External heat source" Ó "1" "Enable external heat source 7B00" With circulation pump for DHW reheating: "1" "External heat source" Ó "Enable booster heaters for DHW heating 6014"...
  • Page 117 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Cascade via LON Parameter Setting Lead appliance Lag heat pump "System definition" Ó "0" to "10" "11" "System scheme 7000" "System definition" Ó "2" "0" "Cascade control 700A" "System definition" Ó "1"...

  • Page 118: Instructing The System User

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Instructing the system user The system installer must hand the oper- ating instructions to the system user and instruct him/her in the operation of the system.

  • Page 119: Troubleshooting

    Troubleshooting Repairs Overview of electrical connection area Type BW 301.A and BWC 301.A...
  • Page 120 Troubleshooting Repairs (cont.) Type BWS 301.A A Transformer EEV PCB K Controller and sensor PCB B EEV PCB (electronic expansion L Main PCB valve) M Extension PCB on main PCB C Phase monitor N Compressor power supply D Compressor contactor O Cross connect PCB E Thermal relay Q Plug for connecting cable stage 1/2,...
  • Page 121 Troubleshooting Repairs (cont.) Opening the shield...
  • Page 122 Troubleshooting Repairs (cont.) Overview of internal components...
  • Page 123 Troubleshooting Repairs (cont.) A Condenser I Electronic expansion valve (EEV) B Evaporator J Compressor C Primary circuit flow temperature K Flow temperature sensor, secon- sensor (heat pump brine inlet) dary circuit D Schrader low pressure valve L Return temperature sensor, secon- E Schrader high pressure valve dary circuit F Instantaneous heating water heater...
  • Page 124 Troubleshooting Repairs (cont.) O Secondary pump (accessory for T High pressure sensor EEV type BW 301.A) U Filter dryer P Air vent valve on the secondary side V Primary circuit return temperature Q Low pressure sensor EEV sensor (heat pump brine outlet) R Suction gas temperature sensor W Drain valve, primary side S Safety high pressure switch...
  • Page 125 Troubleshooting Repairs (cont.) Temperature sensors type Pt 500 Capturing element "Pt 500" ■ System flow temperature sensor (F13) ■ Buffer temperature sensor (F4) ■ Cylinder temperature sensor (F6) ■ Flow/return temperature sensor, sec- ondary circuit (F8/F9) ■ All sensors inside the heat pump ■...

  • Page 126: Parts Lists

    Parts lists Parts lists Ordering parts The following information is required: Obtain standard parts from your local ■ Serial no. (see type plate A) supplier. ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list)

  • Page 127: Overview Of The Assemblies

    Parts lists Overview of the assemblies A Type plate D Assembly, heat pump module B Assembly, casing E Assembly, electrical equipment C Assembly, hydraulics...

  • Page 128: Parts Not Shown

    Parts lists Parts not shown 0005 Pack, casing 0009 Service instructions for 0006 Touch-up paint stick, Vitosilver Vitotronic 200, type WO1A 0007 Touch-up paint spray, Vitosilver 0010 Vitocal installation and service 0008 Operating instructions for instructions Vitotronic 200, type WO1A Assembly, casing Type BW 301.A, BWC 301.A, WW 0010 Anti-vibration mount...
  • Page 129 Parts lists Assembly, casing (cont.) Type BW 301.A, BWC 301.A, WW 301.A, WWC 301.A 0005 0007 0020 0016 0015 0009 0014 0008 0002 0015 0018 0003 0014 0019 0022 0002 0010 0003 0001 0001 0001 0001 0015 0006 0013 0021 0017 0012 0011...
  • Page 130 Parts lists Assembly, casing (cont.) Type BWS 301.A 0010 Anti-vibration mount 0001 Rubber cushion D 42 x 40, 0011 Bottom panel M8 x 13 0012 Lower panel 0002 Hinge, upper part 0013 Floor mat 0003 Hinge, lower part 0014 Rail 0004 Adjustable foot M12 x 19, foot cap 0015 Cable cover set D 64...
  • Page 131 Parts lists Assembly, casing (cont.) Type BWS 301.A 0020 0005 0007 0016 0015 0009 0008 0014 0002 0015 0018 0003 0014 0022 0002 0010 0003 0001 0001 0001 0001 0006 0015 0013 0021 0017 0012 0011 0004...

  • Page 132: Assembly, Hydraulics

    Parts lists Assembly, hydraulics Type BW 301.A, BWS 301.A, WW 0008 Hose, heating water return/DHW 301.A cylinder return 0001 Spring clip 0009 Tee 0002 Air vent valve G⅜ 0010 Hose, primary return (brine outlet) 0011 Hose, primary flow (brine inlet) 0003 Gasket A 30 x 44 x 2 0012 Hose, heating water flow 0004 Drain &...
  • Page 133 Parts lists Assembly, hydraulics (cont.) Type BW 301.A, BWS 301.A, WW 301.A 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...
  • Page 134 Parts lists Assembly, hydraulics (cont.) Type BWC 301.A, WWC 301.A 0012 Hose, primary return (brine outlet) 0001 Gasket A 35 x 45 x 2 0013 Check valve G 1½ 0002 Spring clip 0014 Hose, DHW cylinder flow 0003 Air vent valve G⅜ 0015 Hose, heating water flow 0016 Circulation pump VIRS25/7-3 0004 Temperature sensor Pt 500...
  • Page 135 Parts lists Assembly, hydraulics (cont.) Type BWC 301.A, WWC 301.A 0023 0005 0004 0002 0009 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...

  • Page 136: Assembly, Heat Pump Module

    Parts lists Assembly, heat pump module All types 0014 Line, hot gas 0001 Compressor 0015 Spacer 0002 Evaporator 0016 Line, electronic expansion valve - 0003 Condenser evaporator 0004 Electronic expansion valve 0017 Compressor fixing EXL B1G 0018 Line, filter dryer - electronic 0005 Filter dryer DML084 expansion valve 0006 Pressure sensor PT5-18T...
  • Page 137 Parts lists Assembly, heat pump module (cont.) All types 0002 0022 0009 0013 0026 0025 0006 0015 0020 0021 0025 0026 0023 0008 0022 0025 0026 0009 0003 0007 0013 0019 0014 0015 0005 0001 0026 0025 0018 0011 0012 0004 0016 0024...

  • Page 138: Assembly, Electrical Equipment

    Parts lists Assembly, electrical equipment Type BW 301.A06, WW 301.A06, BWC 0030 Coding card 301.A06, WWC 301.A06 0033 Programming unit 0001 Base carrier CU 401 0002 PCB CU401 with cover Parts not shown 0003 Base carrier MB 761 0006 Connecting cable, compressor 0004 PCB MB761 with cover 0007 Cable harness 230 V~ 0005 PCB SA135 with cover...
  • Page 139 Parts lists Assembly, electrical equipment (cont.) Type BW 301.A06, WW 301.A06, BWC 301.A06, WWC 301.A06 0030 0005 0011 0002 0004 0024 0001 0003 0029 0033 0012 0016 0023 0022 0015 0017 0025 0014...
  • Page 140 Parts lists Assembly, electrical equipment (cont.) Type BW 301.A08 to 301.A17, WW 0030 Coding card 301.A08 to 301.A17, BWC 301.A08 to 0033 Programming unit 301.A17, WWC 301.A08 to 301.A17 0001 Base carrier CU 401 Parts not shown 0002 PCB CU401 with cover 0006 Connecting cable, compressor 0003 Base carrier MB 761 0007 Cable harness 230 V~...
  • Page 141 Parts lists Assembly, electrical equipment (cont.) Type BW 301.A08 to 301.A17, WW 301.A08 to 301.A17, BWC 301.A08 to 301.A17, WWC 301.A08 to 301.A17 0030 0005 0011 0002 0004 0024 0001 0003 0029 0033 0013 0012 0016 0023 0022 0015 0017 0025 0014...
  • Page 142 Parts lists Assembly, electrical equipment (cont.) Type BWS 301.A06 Parts not shown 0012 Cable channel 0006 Connecting cable, compressor 0014 Control module 400 V~, 6-9 A 0007 Cable harness 230 V~ 0015 PCB IU210-A10 H_1 S_14 0008 Cable harness X5, low voltage 0016 Expanding rivets 0009 Cable kit EEV 4-17 kW 0017 Transformer...
  • Page 143 Parts lists Assembly, electrical equipment (cont.) Type BWS 301.A06 0024 0012 0016 0023 0022 0015 0017 0014...
  • Page 144 Parts lists Assembly, electrical equipment (cont.) Type BWS 301.A08 to 301.A17 0023 Thermal relay (6.0-9.0 A) 0012 Cable channel 0024 Mains terminals 0013 Full wave soft starter 0014 Control module 400 V~, 6-9 A Parts not shown 0015 PCB IU210-A10 H_1 S_14 0006 Connecting cable, compressor 0016 Expanding rivets 0007 Cable harness 230 V~...
  • Page 145 Parts lists Assembly, electrical equipment (cont.) Type BWS 301.A08 to 301.A17 0024 0013 0016 0012 0023 0022 0015 0017 0014...

  • Page 146: Commissioning/Service Reports

    Commissioning/service reports Commissioning/service reports Hydraulic parameters report Setting and test values Set value Commission- Frost protection (brine medium) °C – 15 Testing the external heating circuit pumps Circulation pump type Circulation pump stage Overflow valve setting Primary circuit commissioning Primary circuit flow temperature °C Primary circuit return temperature °C...
  • Page 147 Commissioning/service reports Commissioning/service reports (cont.) Parameter Code Delivered condi- Commis- tion sioning System definition System scheme (see chapter "Overview 7000 of possible system schemes") Temperature differential for calculating 7003 40 (≙ 4 K) the heating limit Temperature differential for calculating 7004 40 (≙...
  • Page 148 Commissioning/service reports Commissioning/service reports (cont.) Parameter Code Delivered condi- Commis- tion sioning Ext. heat source Enable external heat source 7B00 Priority ext. heat source/instant. heating 7B01 water heater Dual mode temperature external heat 7B02 100 (≙ 10 °C) source Enable external heat source for DHW 7B0D heating Set DHW temperature...
  • Page 149 Commissioning/service reports Commissioning/service reports (cont.) Parameter Code Delivered condi- Commis- tion sioning Electric booster heater Enable instantaneous heating water 7900 heater Enable instant. heating water heater for 7902 central heating Max. output instantaneous heating water 7907 heater Output for instant. heating water heater at 790A power-OFF Dual mode temp.
  • Page 150 Commissioning/service reports Commissioning/service reports (cont.) Parameter Code Delivered condi- Commis- tion sioning Heating circuit 2 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 3007 6 (≙...
  • Page 151 Commissioning/service reports Commissioning/service reports (cont.) Parameter Code Delivered condi- Commis- tion sioning Time Automatic changeover summertime - 7C00 wintertime Start summertime - month 7C01 Start summertime - week 7C02 Start summertime - day 7C03 Start wintertime - month 7C04 Start wintertime - week 7C05 Start wintertime - day 7C06...

  • Page 152: Specification

    Specification Specification Type BW 301.A/BWS 301.A Output data to DIN EN 14511 (B0/ W35 °C, 5 K spread) Rated heating output 5.94 7.86 10.07 13.07 17.17 Cooling capacity 4.71 6.27 8.08 10.54 13.77 Power consumption 1.32 1.71 2.14 2.72 3.65 Coefficient of performance ε...
  • Page 153 Specification Specification (cont.) Type BW 301.A/BWS 301.A Electrical values, heat pump Rated voltage, compressor 3/N/PE 400 V/50 Hz Rated current, compressor 10.3 15.0 Starting current, compres- 25.0 14.0 20.0 22.0 25.0 (with starting current limiter, not in type BW/BWS/BWC 301.A06) Starting current, compressor 26.0 35.0...
  • Page 154 Specification Specification (cont.) Type BW 301.A/BWS 301.A Connections Primary flow and return 1½ Heating flow and return 1½ Weight Heat pump stage 1 (type BW 301.A) Heat pump stage 2 (type BWS 301.A) Sound power level at dB(A) B0/W35 °C (test with reference to DIN EN ISO 9614-2) Type WW 301.A/BWS 301.A in con-...
  • Page 155 Specification Specification (cont.) Type WW 301.A/BWS 301.A in con- junction with "conversion kit for water/water heat pump" Electrical values, heat pump Rated voltage, compressor 3/N/PE 400 V/50 Hz Rated current, compressor 10.3 15.0 Starting current, compres- 25.0 14.0 20.0 22.0 25.0 (with starting current limiter, not in type BW/BWS/BWC...
  • Page 156 Specification Specification (cont.) Type WW 301.A/BWS 301.A in con- junction with "conversion kit for water/water heat pump" Connections Primary flow and return 1½ Heating flow and return 1½ Weight Heat pump stage 1 (type WW 301.A) Heat pump stage 2 (type BWS 301.A) Sound power level at dB(A)
  • Page 157 Specification Specification (cont.) Type BWC 301.A Heating water (secondary circuit) Content Min. flow rate (spread 10 K) l/h 1080 1490 Residual head (at min. flow mbar rate) Max. flow temperature °C Electrical values, heat pump Rated voltage, compressor 3/N/PE 400 V/50 Hz Rated current, compressor 10.3 15.0...
  • Page 158 Specification Specification (cont.) Type BWC 301.A Dimensions Total length Total width Total height (programming 1155 unit open) Connections Primary flow and return 1½ Heating flow and return 1½ Weight Sound power level at dB(A) B0/W35 °C (test with reference to DIN EN ISO 9614-2) Type WWC 301.A Output data to DIN EN 14511 (W10/...
  • Page 159 Specification Specification (cont.) Type WWC 301.A Electrical values, heat pump Rated voltage, compressor 3/N/PE 400 V/50 Hz Rated current, compressor 10.3 15.0 Starting current, compres- 25.0 14.0 20.0 22.0 25.0 (with starting current limiter, not in type BW/BWS/BWC 301.A06) Starting current, compressor 26.0 35.0 48.0...
  • Page 160 Specification Specification (cont.) Type WWC 301.A Connections Primary flow and return 1½ Heating flow and return 1½ Weight Sound power level at dB(A) B0/W35 °C (test with reference to DIN EN ISO 9614-2)

  • Page 161: Appendix

    All windows and external doors sealed Geothermal probes/well and connection lines fully installed Components for cooling mode fully installed (option) 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 162: Certificates

    Certificates Declaration of conformity We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, declare as sole respon- sible body that the product Vitocal 300-G, type BW, WW, BWS, BWC, WWC incl. Vitotronic 200, type WO1A complies with the following standards: DIN 7003 DIN EN 61 000-3-3;...

  • Page 163: Keyword Index

    Keyword index Keyword index Activating, service menu....111 Electrical connection Appliance fuse.........125 ■ General information......6 Appliance too noisy......125 ■ Heat pump control unit....72 Assembly.........104 Electrical connections ■ Inserting cables......69 Electrical installation scheme Brine pressure switch.......102 ■ DHW heating......33, 35 Enable ■ External extension......116 Cascade Expansion vessel, checking.....108 ■...
  • Page 164 Keyword index Keyword index (cont.) Internal components ■ Overview........122 Parameter Isolators..........94 ■ Setting example......111 Parameters ■ Cascade via H1......116 Lag heat pump........38 ■ Cascade via LON......117 LON communication module....39 ■ Cooling function......115 LON module........39 ■ External functions......114 ■ External heat source.....116 ■...
  • Page 165 Keyword index Keyword index (cont.) Three phase monitor......101 Sealing faces........104 Tilting angle..........6 Secondary circuit Transport brackets......64 ■ Connecting........67 Transport locking bracket....125 ■ Filling and venting......107 Sensors..........122 Sensors, checking......124 Underfloor heating circuit....78 Service menu Underfloor heating system....78 ■ Activating........111 Use of heat pump in a cascade116, 117 ■...
  • Page 168 7440982 7440983 7440984 7440985 7440986 7440987 7440988 7440989 7440990 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...

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