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

Compact heat pump with electric drive single and two-stage, type bw/bws, ww/wws
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See also: Technical Manual , User Manual
VIESMANN
Installation and service
instructions
for contractors
Vitocal 300-G
Type BW/BWS, WW/WWS, 21 to 45 kW
Compact heat pump with electric drive
Single and two-stage
For applicability, see the last page
VITOCAL 300-G
Please keep safe.
5442 829 GB
11/2009

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Summary of Contents for Viessmann VITOCAL 300-G

  • Page 1 VIESMANN Installation and service instructions for contractors Vitocal 300-G Type BW/BWS, WW/WWS, 21 to 45 kW Compact heat pump with electric drive Single and two-stage For applicability, see the last page VITOCAL 300-G Please keep safe. 5442 829 GB 11/2009...

  • Page 2: Safety Instructions

    Replace faulty components only with original Viessmann spare Regulations parts. Observe the following when working on this system ■ all legal instructions regarding the pre- vention of accidents, ■...
  • Page 3 Installing non-authorised components and non-approved modifications or conversions can compromise safety and may invalidate our warranty. For replacements, use only orig- inal spare parts supplied or approved by Viessmann.

  • Page 4: Table Of Contents

    Index Index Installation instructions Preparing for installation Product information....................General information - electrical connection............10 Installation......................10 Overview of possible system schemes..............15 Function description for the system examples............. 17 Primary circuit, type BW (brine/water)..............22 Primary circuit, type WW (water/water)..............24 Primary circuit, type BW + BWS (two-stage version)...........
  • Page 5 Index Index Parameter group system definition Parameter group system definition............... 173 7000 System scheme................... 173 7001 Language....................173 7003 Temperature differential for the heating limit..........174 7004 Temperature differential for the cooling limit..........174 7010 External extension..................175 7008 Swimming pool.................... 176 700A Cascade......................
  • Page 6 Index Index 6007/6008 DHW/booster heater hysteresis............190 6009 DHW start optimisation................191 600A DHW stop optimisation................192 600C Set DHW temperature 2................192 600E Temperature sensor 2................. 192 6016 DHW heating priority................... 192 6017 DHW at control high pressure..............193 6020 Cylinder primary pump operating mode............
  • Page 7 Index Index 200A Influence of room temperature hook-up............208 200B Room temperature hook-up (heating circuits)..........209 200E Maximum set flow temperature..............209 Parameter group cooling Parameter group cooling..................211 7100 Cooling mode....................211 7101 Cooling circuit....................212 7102 Room temperature separate cooling circuit..........212 7103 Minimum flow temperature for separate cooling circuit.......
  • Page 8 Index Index (cont.) Appendix Heat pump commissioning order................246 Certificates Declaration of conformity..................247 Keyword index....................248...

  • Page 9: Product Information

    BWS). Vitocal 300-G, type BWS and WWS The Vitocal 300-G, type BWS and WWS, are used to extend the output (stage 2) of heat pumps type BW and WW. Heat pump stage 2 (type BWS/WWS) can be used both for heating operation and DHW heating.

  • Page 10: General Information - Electrical Connection

    Preparing for installation General information - electrical connection ■ The total output of all components con- ■ The number of power cables from the nected directly to the heat pump con- distribution board (meter box) to the trol unit (e.g. pumps, valves, message heat pump control unit depends on the facilities, contactors) must not exceed system version and tariffs used (see...
  • Page 11 Preparing for installation Installation (cont.) Please note ■ Observe the required floor area and Observe the permissible floor minimum room volume (as per load. DIN EN 378): ■ Total weight BW 121 282 kg Type Floor Min. space area require- BWS 121 277 kg ment...
  • Page 12 Preparing for installation Installation (cont.) Two stage (type BW/BWS) ≥ 400 ≥ 400 = 300 A Clearance depends on on-site installation and location...
  • Page 13 Preparing for installation Installation (cont.) Requirements - on-site connections Single stage (type BW) 230 V < 42 V 400 V...
  • Page 14 Preparing for installation Installation (cont.) Two stage (type BW/BWS) 230 V < 42 V 230 V < 42 V 400 V 400 V = 300 ■ Install hydraulic connections on site stress-free. ■ Establish hydraulic connections between the two heat pumps (type BW/BWS) on site.

  • Page 15: Overview Of Possible System Schemes

    Preparing for installation Installation (cont.) Line lengths in the heat pump plus wall clearance: Type Heat pump control unit 1.0 m A connecting cable is used power supply (230 V~) for the power supply Compressor power supply 1.0 m 1.0 m (400 V~) Additional power cables 1.5 m...
  • Page 16 Preparing for installation Overview of possible system schemes (cont.) System diagram (ID 7000) Heating cir- cuit – – – – – – – – – – – – – – – – – – DHW cylin- – – – – —...

  • Page 17: Heating Circuit

    Preparing for installation Function description for the system examples Note The system examples are recommenda- tions only, which must be checked on site for completeness and function. Please observe the applicable regula- tions and directives for design, installa- tion and operation. Function description two-stage version For reasons of modularity, compressor For optimised starting and stopping of...
  • Page 18 Preparing for installation Function description for the system examples (cont.) Systems with large water volumes Because of the increased water volume of the heat source and the fact that it may Systems with large water volumes (for have a separate shut-off facility, an addi- example, underfloor heating systems) tional (or larger) expansion vessel can operate without a heating water buf-...
  • Page 19 Preparing for installation Function description for the system examples (cont.) Cooling operation Cooling mode is possible either with one Operating status of the available heating circuits, or with a separate cooling circuit (e.g. chilled ceil- Cooling mode in the heating circuits is ings or fan convectors).

  • Page 20: Dhw Heating

    Preparing for installation Function description for the system examples (cont.) Parameter "Slope room hook-up Operating status "Fixed val." 7104" specifies the strength of the room influence for cooling mode. In operating status "Fixed val.", cooling occurs at the min. flow temperature Operating status "Normal"...
  • Page 21 Preparing for installation Function description for the system examples (cont.) The heat pump control unit regulates this Parameter "Stage at power-OFF function ("Inst. heating water heater 790A" restricts the output stage of the 7900"). The instantaneous heating instantaneous heating water heater for water heater can be enabled separately the duration of the power-OFF period.

  • Page 22: Primary Circuit, Type Bw (Brine/Water)

    Preparing for installation Function description for the system examples (cont.) Power-OFF It is possible for the power supply utility This must not shut down the power sup- to shut down the compressor and instan- ply to the heat pump control unit. taneous heating water heater (see from page 108).

  • Page 23: Electrical Connection

    Preparing for installation Primary circuit, type BW (brine/water) (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 connection For further information regarding the PCBs, see from page 220.

  • Page 24: Primary Circuit, Type Ww (Water/Water)

    Preparing for installation Primary circuit, type WW (water/water) P Interface, primary circuit 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 25 Preparing for installation Primary circuit, type WW (water/water) (cont.) Electrical connection For further information regarding the PCBs, see from page 220. 200 W sYYA X2.N L1 ? X3.3 230 V; 2mA ´ X3.4 X3.9 230 V; 0.15 A wQ X3.8 230 V;...
  • Page 26 Preparing for installation Primary circuit, type WW (water/water) (cont.) Well pump on-site connection 400 V~ 200 W sYYA X2.N L1 L2 L3 I>I>I>...

  • Page 27: Primary Circuit, Type Bw + Bws (Two-Stage Version)

    Preparing for installation Primary circuit, type BW + BWS (two-stage version) With two primary pumps P Primary circuit interface (see sys- tem examples) Equipment required Pos. Description Heat pump stage 1 (type BW) Heat pump control unit Heat pump stage 2 (type BWS) Primary pump (heat pump stage 1, type BW) Flow temperature sensor, primary circuit Return temperature sensor, primary circuit...
  • Page 28 Preparing for installation Primary circuit, type BW + BWS (two-stage… (cont.) 200 W sYYA X2.N 200 W sXVS X2.N X3.9 230 V; 0.15 A wQ X3.8 Pt 500 Pt 500 With a common primary pump Note If types BW and BWS are installed with different rated outputs, the different flow rates mean that two primary pumps must be used (see page 27).
  • Page 29 Preparing for installation Primary circuit, type BW + BWS (two-stage… (cont.) P Interface, primary circuit Equipment required Pos. Description Heat pump stage 1 (type BW) Heat pump control unit Vitotronic 200, type WO1A Heat pump stage 2 (type BWS) Common primary pump Primary circuit flow temperature sensor (for installation, see page 84) Primary circuit return temperature sensor (for installation, see page 84)
  • Page 30 Preparing for installation Primary circuit, type BW + BWS (two-stage… (cont.) sYYA sXVS 200 W X2.N X3.9 230 V; 0.15 A wQ X3.8 Pt 500 Pt 500...

  • Page 31: Primary Circuit, Type Ww + Wws (Two-Stage Version)

    Preparing for installation Primary circuit, type WW + WWS (two-stage version) With two primary pumps P Primary circuit interface (see sys- tem examples)
  • Page 32 Preparing for installation Primary circuit, type WW + WWS (two-stage… (cont.) Equipment required Pos. Description Heat pump stage 1 (type WW) Heat pump control unit Heat pump stage 2 (type WWS) Primary pump (heat pump stage 1, type WW) Primary circuit flow temperature sensor (for installation, see page 84) Primary circuit return temperature sensor (for installation, see page 84) Frost stat, primary circuit...
  • Page 33 Preparing for installation Primary circuit, type WW + WWS (two-stage… (cont.) Well pump on-site connection 230 V~ 200 W sYYA X2.N 200 W sXVS X2.N L1 ? N X3.1 X2.N...
  • Page 34 Preparing for installation Primary circuit, type WW + WWS (two-stage… (cont.) Well pump on-site connection 400 V 200 W sYYA X2.N 200 W sXVS X2.N L1 L2 L3 X3.1 X2.N I>I>I>...
  • Page 35 Preparing for installation Primary circuit, type WW + WWS (two-stage… (cont.) Connecting the sensors and limiters X3.3 230 V; 2 mA ´ X3.4 X3.8 230 V; 0.15 A wQ X3.9 230 V; 0.15 A qO Pt 500 Pt 500 With a common primary pump Note If types WW and WWS are installed with different rated outputs, the different flow...
  • Page 36 Preparing for installation Primary circuit, type WW + WWS (two-stage… (cont.) P Interface, primary circuit...
  • Page 37 Preparing for installation Primary circuit, type WW + WWS (two-stage… (cont.) Equipment required Pos. Description Heat pump stage 1 (type WW) Heat pump control unit Heat pump stage 2 (type WWS) Common primary pump Primary circuit flow temperature sensor (for installation, see page 84) Primary circuit return temperature sensor (for installation, see page 84) Frost stat, primary circuit...
  • Page 38 Preparing for installation Primary circuit, type WW + WWS (two-stage… (cont.) Well pump on-site connection 400 V L1L2L3 sYYA sXVS 200 W I>I>I> X2.N X2.N...

  • Page 39: Integration Of The Two-Stage Version In The System Examples

    Preparing for installation Primary circuit, type WW + WWS (two-stage… (cont.) Connecting the sensors and limiters X3.3 230 V; 2 mA ´ X3.4 X3.8 230 V; 0.15 A wQ X3.9 230 V; 0.15 A qO Pt 500 Pt 500 Integration of the two-stage version in the system examples Note ■...
  • Page 40 Preparing for installation Integration of the two-stage version in the… (cont.) Two-stage heat pump C Cooling interface H Heating interface P Primary circuit interface (see pri- mary circuit) W DHW interface (see also DHW heat- ing)
  • Page 41 Preparing for installation Integration of the two-stage version in the… (cont.) Two-stage heat pump cascade Cooling interface DHW interface Heating interface Primary circuit interface...
  • Page 42 Preparing for installation Integration of the two-stage version in the… (cont.) Lead appliance (two-stage) of the heat pump cascade II to IV Lag heat pump (two-stage) 1 to Equipment required Pos. Description Heat source Heat pump stage 1 Note For recommended compressor power cable, see page 15, on-site fuse pro- tection (see from page 104 and 242) Outside temperature sensor Heat pump control unit (for the power supply, use a 3 x 1.5 mm...
  • Page 43 Preparing for installation Integration of the two-stage version in the… (cont.) 130 W sXVG X2.N 130 W sYYF X2.N 130 W sYYS X2.N 200 W sYYA X2.N 200 W sXVS X2.N 130 W sXVD UP qP X2.N Pt 500 Pt 500 Ni 500 ATS 3 [Ö...

  • Page 44: System Example 1

    Preparing for installation System example 1 Select system scheme 8 (see ■ Solar thermal system page 173) ■ Heating water buffer cylinder ■ Single stage heat pump, type BW ■ 1 underfloor heating circuit with mixer Note (M2) This scheme is a basic example without ■...
  • Page 45 Preparing for installation System example 1 (cont.) C Cooling interface W DHW interface (see also DHW heat- H Heating interface ing) P Primary circuit interface (see pri- X Solar interface or external heat mary circuit) source (see system examples)
  • Page 46 Preparing for installation System example 1 (cont.) Pos. Description Heat source Heat pump Heat pump control unit Outside temperature sensor Circulation pump for cylinder heating (heating water side) Secondary pump KM BUS distributor Safety equipment block with safety assembly Expansion vessel Primary circuit Primary pump Primary circuit flow temperature sensor (integrated into heat pump)
  • Page 47 Preparing for installation System example 1 (cont.) Pos. Description Heating water buffer cylinder Heating water buffer cylinder Buffer cylinder temperature sensor System flow temperature sensor Solar buffer temperature sensor (connection S4 to Vitosolic) Solar circuit pump R4 for heating up the heating water buffer cylinder High limit safety cut-out for heating water buffer cylinder to switch off the solar circuit pump R4 zZ Heating circuit with mixer (M2)
  • Page 48 Preparing for installation System example 1 (cont.) 200 W sYYA X2.N 130 W sYYS X2.N 130 W sYYF X2.N 50 W sYXD X2.N 130 W sXVH X1. ? X2.N sÖ 100 W sXBA UP M2 uZ X2.N sXBD Open M2 uU X2.N sXBS Closed...
  • Page 49 Preparing for installation System example 1 (cont.) 230 V / 50 Hz fÖ sÖ...
  • Page 50 Preparing for installation System example 1 (cont.) 230 V/50 Hz...
  • Page 51 Preparing for installation System example 1 (cont.) Ni 500 ATS 3 [Ö Pt 500 PTS zQ Pt 500 STS eW Ni 500 VTS M2 uE Pt 500 Control unit power supply Compressor power supply X3.18 3/PE 1/N/PE X2.1 400 V, 50 Hz 230 V/ 50 Hz X1.1 A Mains terminals on the cross con-...

  • Page 52: System Example 2

    Preparing for installation System example 1 (cont.) Required parameters Parameter Setting "System definition" ■ "System scheme 7000" "8" "Solar" ■ "Solar control unit type 7A00" "2" Note Vitosolic parameters must be set (see Vitosolic instal- lation and service instructions) For accessories (if installed): DHW circulation pump Set switching times (see operating instructions)
  • Page 53 Preparing for installation System example 2 (cont.) C Cooling interface P Primary circuit interface (see pri- H Heating interface mary circuit)
  • Page 54 Preparing for installation System example 2 (cont.) W DHW interface (see also DHW heat- ing) X Solar interface or external heat source (see system examples) Pos. Description Heat source Heat pump stage 1 (type BW) Heat pump control unit Outside temperature sensor Circulation pump for cylinder heating (heating water side) for heat pump stage 1 (type BW) Secondary pump for heat pump stage 1 (type BW)
  • Page 55 Preparing for installation System example 2 (cont.) Pos. Description DHW heating with a primary store system DHW cylinder Cylinder temperature sensor Cylinder primary pump (DHW side) Plate heat exchanger Flow limiter Motorised two-way valve, normally closed DHW circulation pump External heat source High limit safety cut-out (STB) to switch off the secondary pumps 6 and External heat source, e.g.
  • Page 56 Preparing for installation System example 2 (cont.) Pos. Description Natural cooling function (NC) Note All required components (with a suitably designed plate heat exchanger) for the cooling circuit must be provided on site. Three-way diverter valve Note When using a three-way diverter valve without spring-loaded return, at contact gS2 (from pos.
  • Page 57 Preparing for installation System example 2 (cont.) Pos. Description Heating circuit with mixer (M3) q¢P Radiator heating circuit with mixer, controlled via KM BUS q¢Q Vitotrol 200 remote control (accessory) q¢E Flow temperature sensor q¢T Extension kit for one heating circuit with mixer q¢Z Heating circuit pump q¢U...
  • Page 58 Preparing for installation System example 2 (cont.) 200 W sYYA X2.N STB qR 70 °C 130 W sYYS X2.N 130 W sYYF X2.N 100 W sYXS UP A1 oZ X2.N 50 W sYXD X2.N 130 W sXVH X1. ? X2.N sÖ...
  • Page 59 Preparing for installation System example 2 (cont.) sXXS Open X2.N sXXA Closed sXXD X3.1 70°C sXXF X2.N 200 W sXVS UP wT X2.N STB qR 70°C 130 W sXVD UP qP X2.N 130 W sXVG X2.N sXVJ X2.N UP tW sXBD Open X2.N...
  • Page 60 Preparing for installation System example 2 (cont.) A On-site contactor B Use jumper from X3.1 to 222.3 X2.4 sYYG X2.N X2.3 X2.2 230 V / 50 Hz X2.1 sÖ sÖ 230 V/1 A φ X3.1 X3.2 230 V / 1 A X3.3 X3.4 24 V / 10 mA...
  • Page 61 Preparing for installation System example 2 (cont.) 230 V / 50 Hz fÖ sÖ...
  • Page 62 Preparing for installation System example 2 (cont.) 230 V / 50 Hz fÖ 230 V / 50 Hz fÖ L1 L2 L3 gÖ...
  • Page 63 Preparing for installation System example 2 (cont.) Pt 500 KTS tE [XÖ Pt 500 Ni 500 VTS M2 uE Pt 500 STS eW Ni 500 ATS 3 [Ö Pt 500 PTS zQ Pt 500 Pt 500 Control unit power supply Compressor power supply X3.18 3/PE...
  • Page 64 Preparing for installation System example 2 (cont.) Required parameters Parameter Setting "System definition" ■ "System scheme 7000" "10" ■ "Ext. extension 7010" "1" ■ "Swimming pool 7008" "1" "Compressor 2" ■ "Enable 5100" "1" "Ext. heat source" ■ "External heat source 7B00" "1"...
  • Page 65 Preparing for installation DHW heating DHW interface (see system Cold water examples) DHW DHW Solar interface or external heat source (see system examples) Required Equipment Pos. Description DHW cylinder Cylinder temperature sensor Cylinder primary pump (DHW side) Plate heat exchanger Flow limiter Motorised two-way valve, normally closed DHW circulation pump...
  • Page 66 Preparing for installation DHW heating (cont.) 50 W sYXD ZP eU X2.N 130 W sXVH UP eE X2.N Pt 500 Required parameters Parameter Setting "System definition" ■ "System scheme" "0", "2", "4," "6", "8", "10" ■ DHW circulation pump Set switching times (see operating instructions) "DHW"...

  • Page 67: Installing The Heat Pump

    Installation sequence Installing the heat pump Levelling the heat pump Position and level the heat pump as described on page 10.
  • Page 68 Installation sequence Installing the heat pump (cont.) Removing the transport brackets Please note If transport brackets are not removed, they cause vibrations and excessive development of noise. Remove transport brackets and secure with lower screws on to the base carrier (see step 4.).
  • Page 69 Installation sequence Installing the heat pump (cont.) Remove top panel...

  • Page 70: Hydraulic Connections

    Installation sequence Hydraulic connections Overview of connections < 4 Connecting the primary circuit Please note 1. Equip the primary circuit with an The components used must be expansion vessel and safety valve (in resistant to the heat transfer accordance with DIN 4757). medium.
  • Page 71 5. Fill the primary circuit with the heat transfer medium. Viessmann heat transfer medium ■ Blow-off and drain lines must con- and vent. verge in one container that can...

  • Page 72: Electrical Connections

    Installation sequence Hydraulic connections (cont.) Please note 3. Fill and vent secondary circuit. To prevent equipment dam- 4. Thermally insulate pipes inside the age, connect on-site secon- building. dary lines to the heat pump so that they are free of load and Note torque stresses.
  • Page 73 Installation sequence Electrical connections (cont.) ≤ 1000 W, the indi- Note If the total output ■ The total output of all components con- vidual rating of a component (e.g. nected directly to the heat pump con- pump, valve, message facility, contac- trol unit (e.g.
  • Page 74 Installation sequence Electrical connections (cont.) Install programming unit rl a u ft iz u /K ü ra tu h lu la re In fo rg ie °C a ti W ä h le [XÖ...
  • Page 75 Installation sequence Electrical connections (cont.) Overview of connections Type BW...
  • Page 76 Installation sequence Electrical connections (cont.) Type BWS A Transformer, EEV PCB G Main PCB B EEV PCB (electronic expansion H Main PCB extension valve) K Controller and sensor PCB C Compressor contactors, control unit L Programming unit starter, three phase monitor M Plug for connecting cable stage 1/2 D Cable trunking 230 V~...
  • Page 77 Installation sequence Electrical connections (cont.) Terminal area, heat pump control unit fÖ sYD sYS F3/F4 F8/F9 F13/F14 F0/F2 F6/F7 F18/F20 F21/F23 F11/F12 F16/F17 sXD sXS sXA sYÖ sXÖ A Cross connect PCB D Main PCB B Fuse F1 for heat pump control unit E Control and sensor PCB C Extension of main PCB Terminal strips on cross connect PCB...
  • Page 78 Installation sequence Electrical connections (cont.) ■ Mixer motor control, external heat X31 Coding card slot source Sensor connections: ■ Central fault message ■ Outside temperature sensor ■ Circulation pump of separate cooling ■ Buffer cylinder temperature sen- circuit and "AC" signal for cooling sor above ■...
  • Page 79 Installation sequence Electrical connections (cont.) Inserting the LON communication module (accessory) Inserting cables for the heat pump control unit terminal area When routing the on-site power cables, observe the location of the cable entries into the appliance on its back panel (see page 13).
  • Page 80 Installation sequence Electrical connections (cont.) <42 V 230 V 400 V 1. Route LV cables through opening "< Danger 42 V" to the heat pump control unit Incorrectly routed wiring can connection area. lead to serious injury from electrical current and result in 2.
  • Page 81 Installation sequence Electrical connections (cont.) Route electrical cables from heat pump stage 2 (type BWS) to the heat pump control unit < 42 V 230 V < 42 V 230 V aJ B A Heat pump stage 2 (type BWS) ter- C <...
  • Page 82 Installation sequence Electrical connections (cont.) < 42 V 230 V [C-Ö B 230 V~ connecting cables with D Primary pump power cable, if instal- plugs "X300" and aBH led (connection to terminals 4X41.4; see next chapter) C < 42 V low voltage leads with plugs aJ and aVG...

  • Page 83: Connecting Sensors

    Installation sequence Electrical connections (cont.) Danger Route 230 V cables and LV leads Incorrectly routed wiring can lead separately, bundle tightly near to serious injury from electrical the terminals and secure using current and result in equipment the cable ties provided. This damage.
  • Page 84 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 Please note Identify sensor leads. Fasten sensor leads and disman- tled leads (with plug aS/aD) together with the other low volt- age leads using the cable ties...

  • Page 85: Connecting Pumps

    Installation sequence Electrical connections (cont.) Connecting pumps ■ For PCB locations (terminal and plug markings), see from page 75. ■ For examples of connecting pumps, see system examples from page 44. ■ For connections of all pumps to main PCB with extension, see page 221. For connection of all ? and N cables to cross connect PCB, see page 225.
  • Page 86 Installation sequence Electrical connections (cont.) Appliance Connection Required parameters: Parameter Ó setting Circulation pump, separate 212.1 "System definition" cooling circuit with AC cool- X1.? ■ "System scheme 7000" Ó X2.N "0" to "10" (max. 10 W) "Cooling" ■ "Cooling 7100" Ó "3" ■...
  • Page 87 Installation sequence Electrical connections (cont.) Additional pumps for two stage heat pump (type BW/BWS) Appliance Connection Required parameters: Parameter Ó setting Circulation pump for cylin- 224.5 "System definition" der heating, heat pump X1.? ■ "System scheme 7000" Ó stage 2 (heating water X2.N with DHW heating side)
  • Page 88 Installation sequence Electrical connections (cont.) Connecting the temperature limiter for limiting the maximum temperature of underfloor heating systems Connection with temperature limiter, Connection with temperature limiter general (part no. 7151 728, 7151 729) X2.N X2.N sÖ A For connection to A For connection to main PCB with main PCB with extension, see table extension, see table below...
  • Page 89 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 M3 Connections for conversion from type BW to type WW ■...

  • Page 90: Other Components

    Installation sequence Electrical connections (cont.) Appliance Connection Required parameters: Parameter Ó setting Well pump (max. 200 W) Contactors for well pump 211.1 No parameters need to be set (common connection with X1.? primary pump) X2.N Primary circuit pressure X3.8 No parameters need to be set switch and/or frost stat (in X3.9 series)
  • Page 91 Installation sequence Electrical connections (cont.) Appliance Connection Required parameters: Parameter Ó setting Directly controlled mixer 225.3V OPEN "System definition" motor, heating circuit M2 1X1.? ■ "System scheme 7000" Ó with heating circuit M2 1X2.N 225.2v CLOSE Extension kit with mixer for aVGÓ...
  • Page 92 Installation sequence Electrical connections (cont.) Appliance Connection Required parameters: Parameter Ó setting aVGÓ aVG Vitosolic 200 "Solar" ■ "Solar control unit type aVGÓ aVG 7A00" Ó "2" Motorised two-way valve 224.6 "System definition" and cylinder primary pump X2.N ■ "System scheme 7000" Ó (DHW side, DHW heating X1.? with DHW heating...
  • Page 93 Installation sequence Electrical connections (cont.) Cooling function Connection Required parameters: Parameter Ó setting Natural cooling with extension kit with mixer NC signal (230 V~) 211.5ÓX2.4 "Cooling" X2.NÓX2.3 ■ "Cooling 7100" Ó "2" ■ "Cooling circuit 7101" Ó X1.?ÓX5.? Mixer (via KM BUS) aVGÓ...
  • Page 94 Installation sequence Electrical connections (cont.) Room temperature sensor for sepa- Note rate cooling circuit (part no. 7408 012) No parameters need to be set. A Connection to controller and sensor B Room temperature sensor (Ni 500) Instantaneous heating water heater (on site) Connection Installation instructions Instantaneous heating water...
  • Page 95 Installation sequence Electrical connections (cont.) Required parameters: Parameter Ó setting "Electric heater" ■ "Inst. heating water heater 7900" Ó "1" ■ If necessary "Heating with electro 7902" Ó "1" Power-OFF The supply voltage to the relevant components (subject to power supply utility) is switched off by the power-OFF contact signal.
  • Page 96 Installation sequence Electrical connections (cont.) Please note X3.1 Protect the heat pump against temperatures over 70 °C from the 222.3 external heat source. Install high limit safety cut-out (STB) or, if required, also take 222.4 additional measures (e.g. second STB to switch off the secondary pump).
  • Page 97 Installation sequence Electrical connections (cont.) External hook-up The external components can also be hooked up via "External extension H1". Installation instructions "External extension H1" Note If the components for swimming pool heating are connected to "External extension H1", no further hook-up (e.g. operating status changeover) can be connected. ■...
  • Page 98 Installation sequence Electrical connections (cont.) Required parameters Function Parameter Ó setting External demand No parameters need to be set; the set flow tem- perature for external demand can be specified (parameter "Set flow temperature, external demand 730C", see page 202). External mixer "OPEN"...
  • Page 99 Installation sequence Electrical connections (cont.) Required parameters Function Parameter Ó setting External blocking "System definition" ■ "External blocking effect 701A" Ó "0" to "31". External mixer "CLOSED" "System definition" ■ "External blocking mixer "CLOSED" 7015" Ó "0" to "8" (see page 183) Observe parameter "External blocking effect 701A".
  • Page 100 Installation sequence Electrical connections (cont.) fÖ gÖ A Connection on controller and sensor F Circulation pump for swimming pool water heating (accessory) B External extension H1 G Three-way diverter valve "swim- C Thermostat for swimming pool tem- ming pool" (zero volt: Heating the perature control (zero volt contact, heating water buffer cylinder) 230 V~;...
  • Page 101 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 the contact for "Exter- nal demand" C External extension H1 F Zero volt contact "External D Zero volt contact "External...
  • Page 102 Installation sequence Electrical connections (cont.) G Lag heat pump 2 L Central fault message input, lag Connection at the contact for "Exter- heat pump nal demand" Open contact X3.10 / X3.11 triggers H Zero volt contact "External a message (see central fault mes- demand"...

  • Page 103: Power Supply

    Installation sequence Power supply Danger Isolators for non-earthed conductors Incorrectly executed electrical ■ The main isolator (if installed) must installations can lead to injury simultaneously isolate all non-earthed from electrical current and result conductors from the mains with a min- in equipment damage.
  • Page 104 Installation sequence Power supply (cont.) General information regarding the power supply Information regarding the compres- Information regarding the power sup- sor power supply ply utility ■ ■ In negotiations with your power supply Please note utility, different supply tariffs for the An incorrect phase sequence main power circuits may be offered.
  • Page 105 Installation sequence Power supply (cont.) Connecting power cables The power supply is separated into two 230 V~ 1/N/PE areas with two power cables: 400 V~ 3/PE A Power supply to heat pump control unit B Power supply to compressor stages 1 and 2 Recommended power cables: Type...
  • Page 106 Installation sequence Power supply (cont.) Connect heat pump control unit power cable (230 V~) 1/N/PE 230 V, 50 Hz L1 N Note ■ Max. fuse rating 16 A This supply must never be blocked. ■ Standard tariff (no optional low tariff with power-OFF)
  • Page 107 Installation sequence Power supply (cont.) Connect compressor power cable (400 V~) Single stage (type BW) 3/PE 400 V, 50 Hz L3 L1...
  • Page 108 Installation sequence Power supply (cont.) Two stage (type BW/BWS) L3 L1 3/PE 400 V, 50 Hz ■ Fuse protection in accordance with the compressor rating (see specification). ■ Low tariff and power-OFF can be used. ■ No parameters need to be set when using low tariff with power-OFF.
  • Page 109 Installation sequence Power supply (cont.) Note Observe the technical connection condi- tions of the relevant power supply util- ity. Single stage (type BW) X3.7 X3.6 ≈ Diagram excluding fuses and RCD. A Heat pump control unit (for connec- D High tariff meter tion on cross connect PCB, see E Ripple control receiver (contact page 225)
  • Page 110 Installation sequence Power supply (cont.) Two stage (type BW/BWS) X3.7 X3.6 ≈ Shown excluding fuses and RCD. A Heat pump control unit (for connec- E Ripple control receiver (contact tion on cross connect PCB, see open: power-OFF enabled) page 225) F Backup fuse ripple control receiver B Instantaneous heating water heater G TNC system feed...
  • Page 111 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 low tariff Observe the technical connection condi- power supply and in the heat pump con- tions of the relevant power supply util- trol unit (heat pump type BW).
  • Page 112 Installation sequence Power supply (cont.) D Control unit power supply H Low tariff meter E Main isolator K TNC system feed F High tariff meter G Ripple control receiver (contact open: power-OFF enabled) with backup fuse Two stage (type BW/BWS) X3.7 X3.6 ≈...
  • Page 113 Installation sequence Power supply (cont.) K TNC system feed L Heat pump compressor stage 2 (type BWS) Phase monitor The phase monitor is factory-fitted in the The phase monitor switches off (switch- type BW and is available as an acces- ing contact opens) if these tolerances sory for type BWS.

  • Page 114: Connecting To Terminals X3.8/X

    Installation sequence Power supply (cont.) A Over/undervoltage in % B Phase asymmetry in % <>U <>U C Switching delay in s D Contact used in safety chain (N/O) E Operating display ("Rel") F Fault display phase failure/phase sequence ("Ph") G Fault display asymmetry ("Asy") H Fault display over/undervoltage ("<>U") LEDs explained...

  • Page 115: Closing The Heat Pump

    Installation sequence Closing the heat pump Please note Danger Seal the appliance to be sound- The absence of component proof and diffusion-proof. earthing in the system can lead to Check tightness of internal serious injury from electrical cur- hydraulic connections. rent if an electrical fault occurs.

  • Page 116: Checking Grommets

    Installation sequence Closing the heat pump (cont.) 4. 10x Checking grommets Please note Seal the appliance to be sound- proof and diffusion-proof. With hose outlets, ensure grom- mets A are seated correctly. Seal grommets A with adhesive tape.
  • Page 117 Installation sequence Checking grommets (cont.)

  • Page 118: 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..........119 • 2. Writing reports..............119 •...

  • Page 119: 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 Contact with 'live' components order. can lead to severe injury from electric current. 2. When work is complete, close the Never touch terminal areas heat pump;...
  • Page 120 1. Check the pre-charge pressure of the expansion vessel (see page 121). 2. Fill the primary circuit with Viessmann heat transfer medium and vent. Note The system must be protected against frost down to –15 °C.
  • Page 121 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Filling and venting the solar circuit Danger Please note Overheated collector areas and overheated heat transfer medium To prevent equipment dam- can cause burns/scalding and age, only fill the solar circuit equipment damage.
  • Page 122 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Sprache Deutsch ç Cesky Dansk English Wählen mit ■ Messages are displayed by manually controlling some components during commissioning. These do not indicate appliance faults.
  • Page 123 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Language Date Time Date / time Start commissioning? Parameter group Parameter Programming 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 124 Parameter setting: "LON module installed" set to "1" Subscriber no. 1 Subscriber no. 99 Parameter setting: "Subscriber number 7710" set to "1" Viessmann system number — Parameter setting: "System number 7798" set to "1" Control unit is fault manager Device is fault manager Parameter setting: "Fault manager 7779"...

  • Page 125: Instructing The System User

    Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Heat pump control unit Vitocom Control unit transmits outside temperature — Parameter setting: "Outside temperature 7797" set to "2" LON subscriber fault monitoring — Parameter setting: "Receive heartbeat 779C" set to "20"...
  • Page 126 Troubleshooting Messages Scanning messages Note When opening up the heat pump control unit, the top part of the control unit clicks into a specific position. You can change this position by pushing C on the side. A ON indicator (green) D Top part of the control unit with inte- B Fault indicator (red) gral programming unit...
  • Page 127 Troubleshooting Messages (cont.) Explanation of messages Warning " " ■ The operation of the appliance is limi- Fault " " ted and the cause of the warning must ■ The central fault message terminal is be removed. activated. ■ Message via communication facility Note "...
  • Page 128 Troubleshooting Messages (cont.) Message System characteristics Cause Measures 03 Configuration fault System configuration Check and match associ- fault: ated parameters, reset to ■ Incorrect system delivered condition if scheme (contains non- required ("Reset", see supported heating cir- operating instructions), cuit) and reconfigure system.
  • Page 129 Troubleshooting Messages (cont.) Message System characteristics Cause Measures 18 Outside temp sensor Operation with outside Lead break, outside tem- Check resistance (Ni 500) temperature -40 °C perature sensor at plug-in connection F0; replace sensor if required. 20 Flow sensor secondary Operation with tempera- Short circuit, secondary Check resistance (Pt 500)
  • Page 130 Troubleshooting Messages (cont.) Message System characteristics Cause Measures 28 Flow sensor secondary Operation with tempera- Lead break, secondary Check resistance (Pt 500) ture value of return tem- circuit flow temperature at plug-in connection F8 perature sensor in sec- sensor and terminals X5.8/X5.9; ondary circuit, plus 5 K.
  • Page 131 Troubleshooting Messages (cont.) Message System characteristics Cause Measures 31 Return sensor primary Operation with tempera- Short circuit, primary cir- Check resistance (Pt 500) ture value of flow temper- cuit temperature sensor, at plug-in connection F3 ature sensor in primary brine outlet and terminals X5.4/X5.5;...
  • Page 132 Troubleshooting Messages (cont.) Message System characteristics Cause Measures 43 Flow sensor system Short circuit, system flow Check resistance (Pt 500) temperature sensor at plug-in connection F13; (downstream of heating replace sensor if water buffer cylinder) required. 44 Flow sensor cooling Short circuit, flow tem- Check resistance (Ni 500) perature sensor, cooling...
  • Page 133 Troubleshooting Messages (cont.) Message System characteristics Cause Measures 54 DHW solar No heating of the DHW Short circuit, Vitosolic Check sensor and replace cylinder/primary store by cylinder temperature if required (see Vitosolic the solar thermal system; sensor installation and service solar circuit pump instructions).
  • Page 134 Troubleshooting Messages (cont.) Message System characteristics Cause Measures 6B Ext. heat source External heat source is Lead break, external Check pressure drop blocked. Instantaneous heat source temperature value (Pt 500) at plug-in heating water heater (if sensor connection F20 and termi- installed) is enabled nals X6.8/X6.9;...
  • Page 135 Troubleshooting Messages (cont.) Message System characteristics Cause Measures 78 Room sensor HC1 ■ No frost protection Lead break, room tem- Check remote control mode via room temper- perature sensor heating sensor and replace if ature sensor circuit A1 required (see Vitotrol ■...
  • Page 136 Troubleshooting Messages (cont.) Message System characteristics Cause Measures 9A Collector sensor Lead break, Vitosolic col- Check sensor and replace lector temperature sen- if required (see Vitosolic installation and service instructions). 9B Return sensor solar Lead break, Vitosolic Check sensor and replace return temperature sen- if required (see Vitosolic installation and service...
  • Page 137 Troubleshooting Messages (cont.) Message System characteristics Cause Measures A9 Heat pump Heat pump fault Scan further messages ■ Heat pump faulty ("Message history" see ■ Safety high pressure page 127); check volume switch has responded. flow rates, motor currents/ ■ High pressure or low motor protection, and pressure sensor has safety high pressure...
  • Page 138 Troubleshooting Messages (cont.) Message System characteristics Cause Measures ■ Check power supply, connecting cable and plug for the instantane- ous heating water heater. ■ Test instantaneous heating water heater control signal at con- nections 211.3 (stage 1) and 224.4 (stage 2); check high limit safety cut-out and reset if required;...
  • Page 139 Troubleshooting Messages (cont.) Message System characteristics Cause Measures B0 Device recognition Error in recognising ■ Check sensor input F11 appliance version, incor- on the controller and rect coding card or PCBs sensor PCB. No con- faulty. nection should be made at terminal F11.
  • Page 140 Troubleshooting Messages (cont.) Message System characteristics Cause Measures B2 KM BUS EEV Communication fault Check KM BUS connec- with EEV controller tion. At the connection (refrigerant circuit con- between KM BUS and trol), heat pump stage 2 EEV, a fluctuating DC (type BWS) voltage between approx.
  • Page 141 Troubleshooting Messages (cont.) Message System characteristics Cause Measures BA KM BUS mixer HC KM BUS communication Check extension kit con- error or internal fault in nections and code. extension kit for one heating circuit with mixer BB KM BUS mixer cooling KM BUS communication Check connections and error or internal fault in...
  • Page 142 Troubleshooting Messages (cont.) Message System characteristics Cause Measures C2 Power supply monitor Compressor power sup- Check connections, ply fault or phase monitor phase connection and faulty power supply; check phase monitor. The switching signal can be tested at connection 215.2. C5 Power-OFF Power-OFF enabled No measures required.
  • Page 143 Troubleshooting Messages (cont.) Message System characteristics Cause Measures CA Primary source Primary circuit fault: ■ Check safety equip- ■ Primary circuit pres- ment on cross connect sure switch/frost pro- PCB, terminals X3.9 tection monitoring has and X3.8; in systems responded without safety equip- ■...
  • Page 144 Troubleshooting Messages (cont.) Message System characteristics Cause Measures CE KM BUS ext. extension Communication error - Check external exten- KM BUS external exten- sion H1 connections and sion H1 connecting cables. Check connections at the controller and sensor PCB, plug aVG KM BUS. A fluctuating DC voltage between approx.
  • Page 145 Troubleshooting Messages (cont.) Message System characteristics Cause Measures D1 Compressor Compressor fault, heat ■ Reset compressor ther- pump stage 1 (type BW): mal relay, check setting, ■ Compressor thermal restore delivered condi- relay has responded. tion ("Standard set- ■ Separate compressor tings", see menu struc- motor protection (if ture).
  • Page 146 Troubleshooting Messages (cont.) Message System characteristics Cause Measures D3 Low pressure Low pressure fault, heat ■ Have heat pump tested pump stage 1 by a refrigeration engi- (type BW): neer. ■ Heat pump faulty ■ Check pressure gauge, ■ Primary pump faulty primary pump and shut- ■...
  • Page 147 Troubleshooting Messages (cont.) Message System characteristics Cause Measures DA Compressor 2 Compressor fault, heat ■ Reset compressor ther- pump stage 2 mal relay, check setting, (type BWS): restore delivered condi- ■ Compressor thermal tion ("Standard set- relay has responded. tings", see menu struc- ■...
  • Page 148 Troubleshooting Messages (cont.) Message System characteristics Cause Measures DB Refrigerant circuit 2 Refrigerant circuit fault, ■ Check flow and return heat pump stage 2 temperature sensors in (type BWS): primary and secondary ■ Safety high pressure circuits. switch has responded. ■...
  • Page 149 Troubleshooting Messages (cont.) Message System characteristics Cause Measures DE Primary source 2 Primary circuit fault: ■ Check safety equip- ■ Primary circuit pres- ment (frost protection, sure switch/frost pro- brine pressure, frost tection monitoring has protection AC-Box) on responded cross connect PCB, ter- ■...

  • Page 150: Scanning Operating Data

    Troubleshooting Messages (cont.) Note The system is out of use if "Simula- tion" is displayed. Connection F11 must not be assigned. Diagnosis (service scans) Calling up diagnosis Service menu: 1. Press OK + å simultaneously for approx. 4 s. 2. "Diagnosis" 3.
  • Page 151 Troubleshooting Diagnosis (service scans) (cont.) Note Only connected temperature sensors are displayed. In case of faults, the dis- play shows "- - -". System overview Service menu: Note 1. Press OK + å simultaneously for The display depends on the system ver- sion (e.g.
  • Page 152 Troubleshooting Diagnosis (service scans) (cont.) Outside temperature sensor Refrigerant circuit (compressor stage 2) Outside temp DHW heating via heat pump Primary circuit flow temperature stage 2 (type BWS) (brine inlet temperature) Secondary circuit return temper- Primary circuit return tempera- ature ture (brine outlet temperature) Secondary pump Hot gas temperature...
  • Page 153 Troubleshooting Diagnosis (service scans) (cont.) Heating circuit with mixer M3 DHW temperature, top Room temperature Set DHW temperature Set room temperature Circulation pump for cylinder Heating circuit flow temperature heating Set heating circuit flow tempera- DHW circ pump ture Heating circuit pump Mixer Heating water buffer cylinder Heating water buffer cylinder...
  • Page 154 Troubleshooting Diagnosis (service scans) (cont.) Heat pump module diagnosis The refrigerant circuit is controlled by the EEV controller, which communicates per- manently with the control unit via KM BUS. You can scan the following information in the heat pump module diagnosis: ■...
  • Page 155 Troubleshooting Diagnosis (service scans) (cont.) Displays Display Explanation I [–] Information index (commands, status, versions): 12 digits, 4 different codes possible at each position, hexadecimal dis- play; observe the subsequent display system Tsh, Tc [°C] Tsh: Set superheating temperature Tc: Set hot gas temperature for start of the vapour injection (EVI) Pmop Max.
  • Page 156 Troubleshooting Diagnosis (service scans) (cont.) How to analyse the information index and fault index 1. Check the display value for each posi- tion individually. 2. Determine active codes C from the table. 3. See tables E and I for explana- tions of active codes.
  • Page 157 Troubleshooting Diagnosis (service scans) (cont.) Posi- Display Codes Explanation (Tab. I) tion (Tab. C) "0" — "1" Enable refrigerant circuit control "0" — "0" — "4" Refrigerant circuit control of heat pump control unit enabled via digital input "9" Refrigerant circuit control of heat pump control unit enabled via KM BUS Compressor on "0"...
  • Page 158 Troubleshooting Diagnosis (service scans) (cont.) Position Code Explanation Maximum operating pressure (MOP) was reached; control type (superheating/evaporation pressure control) in refrigerant cir- cuit was adjusted. Fault due to impermissible combination of refrigerant circuit conditions. A serious EEV controller fault has occurred, as the heat pump control unit only transfers permissible parameter combinations to the EEV controller.
  • Page 159 Troubleshooting Diagnosis (service scans) (cont.) Two stage (type BW/BWS):stages 1 Service menu: and 2 1. Press OK + å simultaneously for approx. 4 s. 2. "Diagnosis" EEV 1+2 (last run) Ü 3. "Heat pump" Heat pump 4. "EEV module (last run)" °C : 19.8 19.8...
  • Page 160 Troubleshooting Diagnosis (service scans) (cont.) 3. "Heat pump" ΔT Differential, evaporation and con- 4. "Runtime compressor" densation temperature The compressor hours run ("Hours run") can be scanned with for every "Load class". Assigning the load classes: Load class Hours run for ΔT ΔT <...

  • Page 161: Brief Scan

    Troubleshooting Diagnosis (service scans) (cont.) Brief scan In the brief scan, you can scan temperatures, software versions and connected com- ponents, for example. Service menu: Brief scan Ü 1. Press OK + å simultaneously for approx. 4 s. 2. "Diagnosis" 3.
  • Page 162 Troubleshooting Diagnosis (service scans) (cont.) Line (brief Field scan) 0: no 0: no External 0 to 10 V hook-up external external Display in % demand blocking 0: no external hook-up 1: exter- 1: exter- nal block- demand Number of LON sub- Check scribers digit...

  • Page 163: Function Check

    Troubleshooting Testing outputs (actuator test) (cont.) Service menu: Note 1. Press OK + å simultaneously for ■ If a cylinder primary pump is controlled approx. 4 s. via the PWM signal, activate both out- puts "Cylinder prim pump". 2. "Actuator test" ■...

  • Page 164: Steps If The Room Temperature Is Too Low

    Troubleshooting Function check (cont.) Function System characteristics Solar If the Vitosolic is connected, the display for the solar circuit pump is activated in the system overview. Start the solar circuit pump via the Vitosolic (see Vitosolic service instructions). Primary source The primary pump starts.
  • Page 165 Troubleshooting No display indication on the programming unit (cont.) 5. Replace programming unit if 6. Replace controller and sensor PCB if required. required. Repairs Overview of internal components A Primary circuit flow temperature G Secondary circuit return tempera- sensor (heat pump brine inlet) ture sensor B Suction gas temperature sensor H Drain valve on the secondary side...

  • Page 166: Checking Sensors

    Troubleshooting Repairs (cont.) O Primary circuit return temperature R Low pressure sensor EEV sensor (heat pump brine outlet) S Safety high pressure switch P Hot gas temperature sensor T Schrader low pressure valve Q Schrader high pressure valve U Evaporator Draining the heat pump on the primary/secondary side 1.
  • Page 167 Troubleshooting Repairs (cont.) Temperature sensors type Pt 500 Capturing element "Pt 500" ■ Flow temperature sensor, system (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 168 Troubleshooting Repairs (cont.) Removing the heat pump module Please note Never put weight on the top, front Avoiding device damage. or side panels of the appliance. [{{] U/V/W 5. Drain the primary and secondary side (for drain valves, see page 165).
  • Page 169 Troubleshooting Repairs (cont.) Note on step 7. Please note Identify the plug-in and threaded con- Installing a compressor at a steep nections that belong together. angle inside the heat pump can Disconnect all electrical connections. result in equipment damage. Never tilt the heat pump module more than 45°.
  • Page 170 Troubleshooting Repairs (cont.) Note on step 9. To stabilise the heat pump module on the carrier, the transport brackets can be screwed on (see page 68). Installing the heat pump module Install in reverse order to removal. Please note To prevent the formation of con- densate and extreme noise development, tightly seal the control unit door.
  • Page 171 Control unit settings by the contractor Control unit settings by the contractor The following pages only describe those Note parameters that can only be adjusted by The available parameters depend on the specialists operating in the service menu individual system configuration (e.g. at "Coding level 1".
  • Page 172 Control unit settings by the contractor Control unit settings by the contractor (cont.) Alternatively, if the service menu was 5. Select parameter: "System scheme" already activated: 6. Confirm parameter code: "7000" 7. Adjust system scheme: "2" Extended menu 1. å Note 2.

  • Page 173: Parameter Group System Definition

    Parameter group system definition Parameter group system definition Service menu: 3. "System definition" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 7000 System scheme "System scheme 7000" Adjust the system scheme during com- The components associated with the missioning according to the system ver- corresponding system scheme are auto-...

  • Page 174: Temperature Differential For The Heating Limit

    Parameter group system definition 7001 Language (cont.) Operating instructions 7003 Temperature differential for the heating limit "Temperature differential heating 7003" Temperature differential for calculating the heating limit. 20°C Heating limit: Set room temperature 18°C minus "Temperature differential heat- 16°C ing" If the average outside temperature cal- culated over 3 hours falls below the heat- ing limit, central heating starts.

  • Page 175: External Extension

    Parameter group system definition 7004 Temperature differential for the cooling… (cont.) If the average outside temperature cal- Room cooling stops if the average out- culated over 3 hours exceeds the cooling side temperature falls below 23 °C limit, room cooling is switched on. (because of the specified hysteresis of 1 K).

  • Page 176: Swimming Pool

    Parameter group system definition 7008 Swimming pool "Swimming pool 7008" Swimming pool heating Note The thermostat for swimming pool tem- Valu Explanation perature control is connected to the con- trol unit via external extension H1. Set parameter "External extension 7010" "0"...

  • Page 177: B Output Of Lag Heat Pumps

    Parameter group system definition 5735 Number of lag heat pumps (cont.) Number of lag heat pumps in a cascade that are connected via LON or via external extension H1. Note Valu Explanation Parameter "Cascade control 700A" on the lead appliance must be set to "1" (for Number of lag heat pumps for control via external extension H1) or control via external extension H1...
  • Page 178 Parameter group system definition 7011 External operating status changeover (cont.) Note ■ The operating status to be set is speci- fied with the parameter "Effect of operating mode changeover 7012". The duration of the changeover is set with the parameter "Duration of oper- ating mode changeover 7013".
  • Page 179 Parameter group system definition 7011 External operating status changeover (cont.) Value Heating cir- Heating cir- Heating cir- DHW heat- Heating cuit without cuit with cuit with water buffer mixer A1 mixer M2 mixer M3 cylinder "36" — — — "37" —...
  • Page 180 Parameter group system definition 7012 Operating status for external changeover (cont.) Value Operating status (see operating instructions) Heating/cooling Heating water buffer cylinder "2" "Normal" "Normal" "Normal" "3" "Fixed val." (set flow "Temp. 2 "(heating "Fixed val." (heating temperature is "Max- with "Set tempera- with "Fixed tempera- imum flow tempera-...

  • Page 181: Duration Of External Operating Status Changeover

    Parameter group system definition 701A Pumps and compressor, external blocking (cont.) Value Secondary Cylinder Heating cir- Heating cir- Heating cir- pump/com- pump cuit pump cuit pump cuit pump pressor blocked M3 blocked M2 blocked A1 blocked blocked "15" "16" "17" "18"...
  • Page 182 Parameter group system definition 7013 Duration of external operating status… (cont.) Example: The diagram shows the duration of the external changeover B, subject to sig- nal duration A, with parameter "Dura- tion of operating mode changeover 7013" set to 8 h (delivered condition). The external operating status change- over is enabled for at least 8 h (delivered condition), independently of the length of...
  • Page 183 Parameter group system definition 7014 External demand mixer "OPEN" (cont.) Note ■ The "External blocking" signal takes higher priority than the "External demand" signal. ■ See also "Set flow temperature, exter- nal demand" on page 202. Value Heating circuit with Heating circuit with Heat demand to the mixer M2...

  • Page 184: B Common System Temperature Sensor

    Parameter group system definition 7015 External blocking mixer "CLOSED" (cont.) Value Heating circuit with Heating circuit with Heat pump blocking mixer M2 mixer M3 "3" Mixer "Close" Mixer "Close" "4" Control mode Control mode "5" Mixer "Close" Control mode "6" Control mode Mixer "Close"...
  • Page 185 Parameter group compressor Parameter group compressor Service menu: 3. "Compressor" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 5000 Enable compressor "Enable 5000" Enabling the heat pump for operation. Note To block the heat pump for drying a Valu Explanation building, use parameter "Heat pump for...

  • Page 186: Enabling Heat Pump Stage

    Parameter group compressor 2 Parameter group compressor 2 Service menu: 3. "Compressor 2" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 5100 Enabling heat pump stage 2 "Enable 5100" Enabling the heat pump stage 2 (type Delivered condition BWS).

  • Page 187: Parameter Group External Heat Source

    Parameter group external heat source Parameter group external heat source Service menu: 3. "Ext. heat source" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 7B00 Enabling an external heat source "External heat source 7B00" To enable an additional, external heat Valu Explanation...

  • Page 188: B02 Dual-Mode Temperature Of External Heat Sources

    Parameter group external heat source 7B02 Dual-mode temperature of external heat sources "Dual-mode temperature 7B02" Outside temperature limit for operating Above the dual-mode temperature, the the external heat source. heat pump control unit only starts the If the average outside temperature is external heat source if, for example, a lower than the set limit temperature over heat pump fault is present.

  • Page 189: Parameter Group Dhw

    Parameter group DHW Parameter group DHW Service menu: 3. "DHW" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 6000 Set cylinder temperature "Cylinder temperature DHW 6000" DHW cylinder set temperature for DHW Operating instructions heating.

  • Page 190: Minimum Temperature For Dhw Cylinder

    Parameter group DHW 6005 Minimum temperature for DHW cylinder "Minimum temperature 6005" Lower set temperature for DHW cylinder Temperature capture is carried out via (minimum temperature). the temperature sensor integrated into When the actual temperature falls below the top of the DHW cylinder. the minimum temperature selected, the DHW cylinder is heated up to that value Delivered...

  • Page 191: Dhw Start Optimisation

    Parameter group DHW 6007/6008 DHW/booster heater hysteresis (cont.) The set value determines the deviation C Booster heater hysteresis ("Boos- from the set DHW cylinder temperature ter heater hysteresis 6008") D Actual DHW temperature at the top ("Cylinder temperature DHW 6000") at which DHW heating is started and stop- cylinder temperature sensor ped.

  • Page 192: A Dhw Stop Optimisation

    Parameter group DHW 6009 DHW start optimisation (cont.) Delivered condition Setting range 0 / 1 600A DHW stop optimisation "Stop optimisation 600A" Comfort function for DHW cylinder heat- Delivered condition ing. Setting range 0 / 1 Operating instructions 600C Set DHW temperature 2 "Set temperature 2 600C"...

  • Page 193: Dhw At Control High Pressure

    Parameter group DHW 6016 DHW heating priority (cont.) To shorten the heat-up time, heating cir- Delivered condition cuit heating can be interrupted during Setting 0 / 1 DHW heating. For this, the heating circuit pumps of all heating circuits are switched off.
  • Page 194 Parameter group DHW 6020 Cylinder primary pump operating mode (cont.) Cylinder primary pump operating mode. Delivered condition Do not adjust.

  • Page 195: Parameter Group Solar

    Parameter group solar Parameter group solar Service menu: 3. "Solar" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 7A00 Solar control unit "Solar control unit type 7A00" For adjusting the solar control unit used.

  • Page 196: Parameter Group Electric Heater

    Parameter group electric heater Parameter group electric heater Service menu: 3. "Electric heater" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 7900 Instantaneous heating water heater (on site) "Inst. heating. water heater 7900" If an instantaneous heating water heater (on site) is installed in the heating water flow, it must be enabled.

  • Page 197: Heating Mode With Booster Heater

    Parameter group electric heater 7902 Heating mode with booster heater "Heating with electro 7902" Enabling heating mode with the instan- Valu Explanation taneous heating water heater (on site). If the set flow temperature cannot be "0" Instantaneous heating water achieved with the heat pump, an on-site heater (on site) is disabled for instantaneous heating water heater can heating mode.
  • Page 198 Parameter group electric heater 790A Stage at power-OFF (cont.) Valu Explanation Delivered condition Setting range 0 to 3 "0" Instantaneous heating water heater remains off during power- OFF, except for frost protection. "1" Output stage 1, e.g. 3 kW "2" Output stage 2, e.g.

  • Page 199: Parameter Group Internal Hydraulics

    Parameter group internal hydraulics Parameter group internal hydraulics Service menu: 3. "Internal hydraulics" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 7300 Heat pump for drying a building "Heat pump for drying a building 7300" For drying buildings, the heat pump can Valu Explanation...
  • Page 200 Parameter group internal hydraulics 7303 Screed program (cont.) ■ The screed programme affects all ena- Valu Temperature:time profile bled heating circuits in parallel. A Flow temperature ■ The selected "Screed program" is B Days continued after a power failure or after "0"...

  • Page 201: D 3-Way Diverter Valve Mode

    Parameter group internal hydraulics 7303 Screed program (cont.) Valu Temperature:time profile Valu Temperature:time profile A Flow temperature A Flow temperature B Days B Days "4" Temperature/time profile 4 "7" Fixed value temperature pro- gramme Duration: 5 days "8" Fixed value temperature pro- gramme Duration: 10 days "9"...

  • Page 202: C Set Flow Temperature, External Demand

    Parameter group internal hydraulics 730D 3-way diverter valve mode (cont.) If, on site, only one pump and one three- Delivered condition way diverter valve are used to switch Setting 0 / 1 between DHW heating and central heat- ing mode, parameter "Heating/DHW diverter valve 730D"...

  • Page 203: Secondary Pump Operating Mode

    Parameter group internal hydraulics 7340 Secondary pump operating mode "Secondary pump type 7340" Secondary pump operating mode. Delivered condition Do not adjust.

  • Page 204: Parameter Group Heating Water Buffer Cylinder

    Parameter group buffer cylinder Parameter group heating water buffer cylinder Service menu: 3. "Buffer cylinder" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 7200 Heating water buffer cylinder "Buffer cylinder 7200" This function is only available for sys- Valu Explanation...

  • Page 205: Maximum Temperature

    Parameter group buffer cylinder 7203 Hysteresis (cont.) The set value determines the deviation C Heating the heating water buffer cyl- from the set temperature of the heating inder "OFF" D Heating the heating water buffer cyl- water buffer cylinder (subject to the oper- ating status) at which heating is started inder "ON"...

  • Page 206: Dual-Mode Temperature, Heating Water Buffer Cylinder

    Parameter group buffer cylinder 7204 Maximum temperature (cont.) Delivered 600 (≙ 60 °C) condition Setting 10 to 700 range (≙ 1 to 70 °C) 7208 Dual-mode temperature, heating water buffer cylinder "Temperature block fixed value mode buffer cylinder 7208" Temperature limit for the "Fixed val." operating status with heating water buf- fer cylinder (see the operating instruc- tions for further details regarding the...

  • Page 207: Parameter Group Heating Circuits

    Parameter group heating circuits/cooling circuit Parameter group heating circuits Service menu: Note 1. Press OK + å simultaneously for The parameters in the parameter groups approx. 4 s. Heating circuit 1, Heating circuit 2 and Heating circuit 3 are identical. 2.
  • Page 208 Parameter group heating circuits/cooling circuit 2003 Enabling the remote control (cont.) A Vitotrol 200 remote control unit can be Note used for each heating circuit. Remote control units have no function when the heat pump is set to "Manual Vitotrol 200 installation instruc- mode".

  • Page 209: B Room Temperature Hook-Up (Heating Circuits)

    Parameter group heating circuits/cooling circuit 200A Influence of room temperature hook-up (cont.) The influence of room temperature hook- Delivered condition up can be selected, subject to a room Setting range 0 to 50 temperature sensor being installed and room temperature hook-up being ena- bled (see page 209).
  • Page 210 Parameter group heating circuits/cooling circuit 200E Maximum set flow temperature (cont.) The set flow temperature, which is cal- culated from the outside temperature and the heating curve, is limited by this parameter to a maximum set flow tem- perature. For the heating circuit without mixer (A1), limited modulation properties mean the heat pump regulates to the return temperature.

  • Page 211: Cooling Mode

    Parameter group cooling Parameter group cooling Service menu: 3. "Cooling" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 7100 Cooling mode "Cooling 7100" Type of cooling mode. Cooling results Delivered condition either through a heating/cooling circuit or Setting range 0 to 3...

  • Page 212: Cooling Circuit

    Parameter group cooling 7101 Cooling circuit "Cooling circuit 7101" This parameter specifies whether cool- Note ing occurs in one of the heating circuits Cooling mode is not possible for several or in a separate cooling circuit. heating or cooling circuits simultane- ously.

  • Page 213: Room Hook-Up Cooling Circuit

    Parameter group cooling 7103 Minimum flow temperature for separate… (cont.) Delivered 100 (≙ 10 °C) condition Setting 10 to 300 range (≙ 1 to 30 °C) 7104 Room hook-up cooling circuit "Slope room hook-up 7104" The influence of room temperature hook- Delivered condition up can be selected, subject to a room Setting range...

  • Page 214: Parameter Group Time

    Parameter group time Parameter group time Service menu: 3. "Time" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 7C00 - 7C06 Summertime/wintertime In the delivered condition, the change- over will always take place in the night from Saturday to Sunday on the last weekend in March and October.

  • Page 215: Lon Communication Module

    The first part communication interface always has is permanently set to the same value for subscriber number 99. all Viessmann appliances. The other parts comprise system and subscriber number. This enables subscribers to be grouped according to system number, for example to separate the external heat source in the LON as well.
  • Page 216 Parameter group communication 7798/7777 LON system number/subscriber number (cont.) "Subscriber number" "System number" Delivered condition Setting range 1 to 99 1 to 5 7779 Fault manager "Fault manager 7779" Device is fault manager within a sys- Valu Explanation tem. This parameter determines whether the "0"...

  • Page 217: Outside Temperature Via Lon

    Parameter group communication 7797 Outside temperature via LON "Outside temperature 7797" If several subscribers use the current Delivered condition outside temperature value, this can be Setting range 0 to 2 made available centrally by one device within a system. All other subscribers in the same system can receive the tem- perature values.

  • Page 218: Heat Pump Numbers In A Cascade

    Parameter group communication 77FF Time via LON (cont.) This parameter determines the source Delivered condition from which the control unit receives the Setting range 0 to 2 time and whether it is to be transmitted via LON to other subscribers. Note Only one subscriber within a system may transmit the time.

  • Page 219: Parameter Group Operation

    Parameter group operation Parameter group operation Service menu: 3. "Control" 1. Press OK + å simultaneously for 4. Select parameter. approx. 4 s. 2. "Coding level 1" 8800 Lock out controls "Lock out controls 8800" For locking and enabling the controls. Valu Explanation "0"...
  • Page 220 Connection and wiring diagrams Overview of the PCBs and connection options General information regarding the electrical connections For further information see chapter ■ The KM BUS wires are interchangea- "Electrical connection", page 72. ble. ■ The total output of all components con- ■...
  • Page 221 Connection and wiring diagrams Overview of the PCBs and connection options (cont.) Main PCB with extension (operational components 230 V~) sXÖ a:C] Ù 1 2 3 4 1 2 3 4 1 2 3 4 5 6 7 1 2 3 sYÖ...
  • Page 222 Connection and wiring diagrams Overview of the PCBs and connection options (cont.) sYD-sYH Factory connections sXD-sXG On site connections sXÖ-sXS Factory connections Operational components 230 V~ Plug Terminals Function Explanation fÖ Power supply PCBs Factory connection sYÖ 210.1 Compressor control ■...
  • Page 223 Connection and wiring diagrams Overview of the PCBs and connection options (cont.) Plug Terminals Function Explanation 212.1 AC function control ■ Max. output: 10 W "active cooling" ■ Voltage: 230 V~ Create circuit on site 212.2 Heating circuit pump ■ This pump is installed in addition for heating circuit with- to the secondary pump if a heat- out mixer (A1)
  • Page 224 Connection and wiring diagrams Overview of the PCBs and connection options (cont.) Plug Terminals Function Explanation 224.2 Primary pump for heat ■ Max. output: 200 W pump stage 2 ■ Voltage: 230 V~ (type BWS) Connect on site 224.3 Secondary pump for ■...
  • Page 225 Connection and wiring diagrams Overview of the PCBs and connection options (cont.) Cross connect PCB (message and safety connections) 1/N/PE 230V / 50 Hz F1 Fuse 6.3 A (slow) X3 ■ Power supply terminals of the X1 Terminals X1.? for earth conduc- control unit "L1"...
  • Page 226 Connection and wiring diagrams Overview of the PCBs and connection options (cont.) Message and safety connections Terminals Function Explanation X3.1 Phase switched X3.2 External blocking, mixer Zero volt contact required: X3.14 CLOSED ■ Closed: Blocking enabled or to exter- ■ Open: No blocking nal exten- ■...
  • Page 227 Connection and wiring diagrams Overview of the PCBs and connection options (cont.) Terminals Function Explanation X3.12 External demand to the Zero volt contact required: X3.13 heat pump; mixer OPEN; ■ Closed: Demand or to exter- operating status change- ■ Open: No demand nal exten- over ■...
  • Page 228 Connection and wiring diagrams Overview of the PCBs and connection options (cont.) Controller and sensor PCB Plug for sensor "X31" Coding card slot Slot for LON module KM BUS Sensors Plug Sensor Type Outside temperature sensor Ni 500 Connect on site Flow temperature sensor, primary circuit Pt 500 Factory connection...
  • Page 229 Connection and wiring diagrams Overview of the PCBs and connection options (cont.) Plug Sensor Type Cylinder temperature sensor, top Pt 500 Connect on site Flow temperature sensor, secondary circuit Pt 500 Factory connection Return temperature sensor, secondary circuit for heat Pt 500 pump stage 1 (type BW) Factory connection...
  • Page 230 Connection and wiring diagrams Overview of the PCBs and connection options (cont.) EEV PCB 230 V~ 24 V~ A Compressor relay L LPG temperature sensor B Mains voltage M Hot gas temperature sensor C EVI relay N Pressure gas temperature sensor D Defrost O Suction gas temperature sensor E Modulation compressor...

  • Page 231: Parts List

    Parts lists Parts list Information for ordering spare parts. Obtain standard parts from your local Quote the part and serial no. (see type supplier. A Type plate plate) and the position no. of the required part (as per this parts list). Individual parts for type BW/WW+BWS/WWS 001 Compressor 029 Rubber cushion...
  • Page 232 Parts lists Parts list (cont.) 745 Thermal relay (only in type BW/ 777 Compressor line BWS145) 778 Cable kit, EEV 746 Thermal relay (only in type BW/ 779 Cable harness 230 V~ BWS121) 780 Cable harness, pressure switch 747 PCBs, terminal box 230 V~ with 781 Cable harness, low voltage cable harness 782 Power cable...
  • Page 233 Parts lists Parts list (cont.) 211 206...
  • Page 234 Parts lists Parts list (cont.)
  • Page 235 Parts lists Parts list (cont.) 745/ 746/...

  • Page 236: Hydraulic Parameters Report

    Commissioning/service reports Hydraulic parameters report Setting and test values Set value Commission- Antifreeze (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 237 Commissioning/service reports Control parameters report (cont.) Parameter Code Delivered condi- Commis- tion sioning System definition System scheme 7000 Language 7001 English Temperature differential heating 7003 40 (≙ 4 K) Temperature differential cooling 7004 40 (≙ 4 K) External extension 7010 Swimming pool 7008 Cascade control...
  • Page 238 Commissioning/service reports Control parameters report (cont.) Parameter Code Delivered condi- Commis- tion sioning Cylinder temperature DHW 6000 500 (≙ 50 °C) DHW with e heating 6015 Minimum temperature 6005 100 (≙ 10 °C) Maximum temperature 6006 600 (≙ 60 °C) DHW hysteresis 6007 70 (≙...
  • Page 239 Commissioning/service reports Control parameters report (cont.) Parameter Code Delivered condi- Commis- tion sioning Heating circuit 1 Standard room temperature 2000 200 (≙ 20 °C) Reduced room temperature 2001 160 (≙ 16 °C) Party temperature 2022 200 (≙ 20 °C) Remote control 2003 Heating curve slope 2006...
  • Page 240 Commissioning/service reports Control parameters report (cont.) Parameter Code Delivered condi- Commis- tion sioning Cooling curve level 7111 0 (≙ 0 K) Time Automatic summer/wintertime change- 7C00 over Summertime - month 7C01 Summertime - week 7C02 Summertime - day 7C03 Wintertime - month 7C04 Wintertime - week 7C05...
  • Page 241 Specification Specification Note ■ The stated current indicates the max. ■ The output given is the recommended switching current of the switching con- connected load. tact (observe the total current of 5 A). ■ The total output of all connected appli- ■...
  • Page 242 Specification Specification (cont.) Components Connec- Connected Voltage [V] Max. tion load [W] switching current [A] Secondary pump, heat 224.3 4(2) pump stage 2 (type BWS/ WWS) Instantaneous heating 224.4 4(2) water heater control, stage 2 Circulation pump for cylin- 224.5 4(2) der heating (on the heat- ing water side) or three-...
  • Page 243 Specification Specification (cont.) BW/BWS Brine (primary circuit) Capacity 12.7 Minimum flow rate (always main- 3300 4200 6500 tain) Pressure drop mbar Max. flow temperature °C Min. flow temperature °C –5 –5 –5 Heating water (secondary circuit) Capacity 12.7 Minimum flow rate (always main- 1900 2550 3700...
  • Page 244 Specification Specification (cont.) Type BW/BWS, WW/WWS BW/BWS, WW/WWS Rated voltage, compressor, heat 3/PE 400 V/50 Hz pump stage 2 (type BWS/WWS) Rated current, compressor Starting current, compressor (with <30 starting current limiter) Starting current, compressor with stalled armature Compressor fuse 1xC16A 1xC25A 1xC40A...
  • Page 245 Specification Specification (cont.) BW/BWS, WW/WWS Dimensions Total length 1085 1085 1085 Total width Total height 1074 1074 1074 Connections Primary flow and return Heating flow and return Weight Heat pump stage 1 (type BW/WW) kg Heat pump stage 2 (type BWS/ WWS) Sound power level at 0/35 °C dB(A)
  • Page 246 All windows and external doors are 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 247: Declaration Of Conformity

    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/BWS, WW incl. Vitotronic 200, type WO1A complies with the following standards: DIN 7003 DIN EN 61 000-3-3; 2009-06 DIN 8901 DIN EN 61 000-3-11;...

  • Page 248: Keyword Index

    Keyword index Keyword index Checking the expansion vessel..121 Acknowledging messages....127 Checking the fuse......167 Activating, service menu....171 Checking the pressure.....121 Active cooling........19 Checking the refrigerant circuit for Actuator test........162 leaks..........119 A-D converter........140 Checking the system pressure..121 Appliance fuse.........167 Coding card........143 Appliance too noisy......167 Coding card slot.......228 Applicability........260 Coding level 1........171...
  • Page 249 Keyword index Keyword index (cont.) Configuration fault......128 Cylinder prim pump......138 Connection and wiring diagrams..220 Cylinder reheating......189 Connections........13 Cylinder temperature DHW....189 ■ Electrical........72, 97 Cylinder temperature sensor....133 ■ Hydraulic.........70 ■ Primary circuit.........70 ■ Secondary circuit......71 Declaration of Conformity....247 Contractor........171 Device recognition......139 Control high pressure shutdown..193 Controller PCB.........228 ■...
  • Page 250 Keyword index Keyword index (cont.) Diagnosis.........150 Electric heater......94, 137 ■ Brief scan........161 ■ dual-mode temperature electric ■ Calling up........150 heater...........198 ■ energy statement......160 ■ Heating with electro......197 ■ fault index........157 ■ inst. heating water heater.....196 ■ heat pump module......154 ■ maximum stage electric heater..197 ■...
  • Page 251 Keyword index Keyword index (cont.) Fault message........99 Heating circuits/cooling circuit Filling ■ heating curve level......208 ■ Primary side........120 ■ heating curve slope......208 ■ Secondary side......120 ■ maximum flow temperature..209 ■ Solar circuit........121 ■ party temperature......207 Fixed temperature......204 ■ Remote control......207 Flow sensor cooling ■...
  • Page 252 Keyword index Keyword index (cont.) Information index Lag heat pump.........176 ■ Display system......155 ■ number.........176, 218 Information regarding the electrical ■ output..........177 connections........220 Language.........173 Inspection.........119 Lead appliance.........176 Inst. heating water heater....196 Level Installation........10, 13 ■ cooling curve........213 Installation room.........10 ■ heating curve........208 Instantaneous heating water heater...94 Load class........159 ■...
  • Page 253 Keyword index Keyword index (cont.) Message EEV........128 Outside temperature......217 Message history.......127 Outside temp sensor Messages ■ 10..........128 ■ acknowledging......127 ■ 18..........129 ■ Calling up the message history..127 Overview ■ Explanation........127 ■ Hydraulic connections....70 ■ Overview........127 ■ internal components.....165 ■ recalling........127 ■...
  • Page 254 Keyword index Keyword index (cont.) Remote monitoring module....184 ■ Controller PCB......228 Repairs..........165 ■ cross connect PCB.......225 Repair work........119 ■ EEV..........230 Reports..........236 ■ extension PCB......221 ■ Control parameter......236 ■ overview........220 Required Equipment....23, 65 ■ Sensor PCB........228 Reset..........172 Phase monitor........113 Return sensor primary.....131 Power-OFF......95, 108, 142 Return sensor sec.
  • Page 255 Keyword index Keyword index (cont.) Solar Safety connections......225 ■ Parameter group......195 Scanning messages......126 ■ Solar control unit......195 Scanning operating data....150 Solar circuit Scanning temperatures....150 ■ Filling and venting......121 Scanning the fault display....126 Solar control unit......195 Screed program.......199 Solar control unit type......195 Sealing faces........116 SPF (seasonal performance factor).
  • Page 256 Warranty..........171 ■ Summertime.........214 Weather-compensated control...19 ■ Wintertime........214 Wintertime........214 Total seasonal performance factor. .160 Applicability Brine/water and water/water heat pump Vitocal 300-G, single and two-stage Serial no. Output Type BW/WW Type BWS/WWS (heat pump stage 2) 21 kW 7424 066 9 00000 ...

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