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 type bw/bwc, ww/wwc
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VIESMANN
Installation and service
instructions
for contractors
Vitocal 300-G
Type BW/BWC, WW/WWC
Compact heat pump with electric drive
For applicability, see the last page
VITOCAL 300-G
Please keep safe.
5355 757 UAE
4/2008

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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/BWC, WW/WWC Compact heat pump with electric drive For applicability, see the last page VITOCAL 300-G Please keep safe. 5355 757 UAE 4/2008...

  • Page 2: Safety Instructions

    Repairing components that ful- all legal instructions regarding the fil a safety function can com- prevention of accidents, promise the safe operation of all legal instructions regarding your heating system. environmental protection, Replace faulty components only with original Viessmann spare parts.
  • Page 3 Instal- ling non-authorised compo- nents and non-approved modifications or conversions can compromise safety and may invalidate our warranty. For replacements, use only ori- ginal spare parts supplied or approved by Viessmann.

  • Page 4: Table Of Contents

    Index Index Installation instructions Preparing for installation General information regarding the electrical connection ......Handling ..................... Positioning ....................Overview of possible system diagrams............12 Function description in connection with the system versions......14 Internal components type BW/WW .............. 18 Internal components type BWC/WWC ............20 Connections on the primary side type BW (brine/water) .......
  • Page 5 Index Index (cont.) System definition control settings System diagram..................137 Language selection ..................137 Temperature differential heating..............137 Temperature differential cooling ..............138 Swimming pool ................... 139 Cascade control (lead appliance) ..............139 Cascade control (lag appliance) ..............140 Output lag heat pump.................. 140 External extension ..................
  • Page 6 Index Index (cont.) DHW with electric heating ................156 Control settings, electric heater Instantaneous heating water heater ............157 Electric heating................... 157 Max. stage electric booster heater .............. 157 Stage for power-OFF .................. 158 Control settings, hydraulics Heat pump for drying buildings ..............159 Screed program ..................
  • Page 7 Parts lists type BWC ................... 191 Parts lists type BW..................197 Commissioning/service reports Hydraulic parameter reports................ 203 Control parameter report................203 Specification ..................... 208 Appendix Order to commission the Vitocal 300-G ............213 Certificates Declaration of conformity ................214 Keyword index ..................215...

  • Page 8: General Information Regarding The Electrical Connection

    Preparing for installation General information regarding the electrical connection The total output of all connected If the compressor and/or the instan- appliances must not exceed taneous heating water heater are 1000 W. If the total output 1000 W, operated at a lower tariff (power- the individual rating of a component OFF), provide an additional cable can be greater than specified.
  • Page 9 Preparing for installation Positioning (cont.) Clearance dimensions (plan view) Clearance A Heat pump posi- tioning (including addi- tional accessories adjacent on the left) no limitation Heat pump alone Heat pump with AC-Box no limitation Heat pump (lead appliance) with lag heat pump (stage variable Heat pump in a...
  • Page 10 Preparing for installation Positioning (cont.) Dimensions of the top panels and connections A Primary return (brine) OUT B Primary flow (brine) IN C Safety assembly (only for type BWC/WWC) D Heating water flow E DHW cylinder flow F DHW cylinder return/heating water return...
  • Page 11 Preparing for installation Positioning (cont.) On-site connection requirements...

  • Page 12: Overview Of Possible System Diagrams

    Preparing for installation Positioning (cont.) A Top entry area for sensor leads B Lower entry area on the appliance and cables for accessories and back for 1 to 3 power cables with auxiliary functions. cable grommets. Cable/lead length approx. 1 m Length of the power cable plus wall clearance (see 2.00 m, if it is routed together...
  • Page 13 Preparing for installation Overview of possible system diagrams (cont.) System diagram (number of parameters/ID 7000 programmed in the control unit) 10 11 Heating circuit DHW cylinder Heating water buffer cy- linder External heat 0 0 X source Cooling at HC Cooling at HC Options Cooling at HC...

  • Page 14: Function Description In Connection With The System Versions

    Preparing for installation Function description in connection with the system versions Note The sample applications are recommendations and must be checked for com- pleteness and functionality on site. Please observe the applicable regulations and directives for design, installation and operation. Heating circuit Heat pumps require a minimum The system versions with heating...
  • Page 15 Preparing for installation Function description in connection with the system . . . (cont.) Protection of the heat pump in accor- dance with EN 12828 [or local regula- tions]. Systems without heating water buffer cylinder Maintain the minimum heating water e.g.

  • Page 16: Dhw Heating

    Preparing for installation Function description in connection with the system . . . (cont.) Active cooling (AC) function The AC-Box enables, together with a This operation prevails until AC suitable brine/water heat pump active operation (active cooling with acti- cooling (AC operation) and natural vated heat pump) becomes necessary cooling (NC operation).
  • Page 17 Preparing for installation Function description in connection with the system . . . (cont.) Power-OFF It is possible for the power supply uti- This is done through switching off the lity to shut down the compressor and main contactor (see page 93). instantaneous heating water heater This must not shut down the control together.

  • Page 18: Internal Components Type Bw/Ww

    Preparing for installation Internal components type BW/WW...
  • Page 19 Preparing for installation Internal components type BW/WW (cont.) H Condenser I LPG temperature sensor J Safety high pressure switch K Instantaneous heating water hea- ter (accessories) L Primary flow temperature sensor M Primary return temperature sen- N Primary pump (accessory) O Brine pressure switch (accessory) P Primary return (brine OUT) R Primary flow (brine IN)

  • Page 20: Internal Components Type Bwc/Wwc

    Preparing for installation Internal components type BWC/WWC...
  • Page 21 Preparing for installation Internal components type BWC/WWC (cont.) G Hot gas temperature sensor H Condenser I LPG temperature sensor J Safety high pressure switch K Instantaneous heating water hea- ter (accessories) L Primary flow temperature sensor M Primary return temperature sen- N Primary pump O Brine pressure switch (accessory) P Primary return (brine OUT)

  • Page 22: Connections On The Primary Side Type Bw (Brine/Water)

    Preparing for installation Connections on the primary side type BW (brine/water) Required equipment Pos. Description Heat pump Primary pump (accessory, max. 200 W) Geothermal probes/geothermal collectors Brine distributor for geothermal probes/collectors Brine accessory pack Brine pressure limiter (accessory, if no brine pressure limiter is con- nected, insert a jumper across terminals 1X3.8 and 1X3.9 prior to commissioning) Frost protection monitor of the AC-Box (if an AC-Box is connected,...

  • Page 23: Connections On The Primary Side Type Bwc (Brine/Water)

    Preparing for installation Connections on the primary side type BW . . . (cont.) Electrical connection LP PCB (see page 63) Connections on the primary side type BWC (brine/water)
  • Page 24 Preparing for installation Connections on the primary side type BWC . . . (cont.) Required devices Pos. Description Heat pump Primary pump (installed and connected) Geothermal probes/geothermal collectors Brine distributor for geothermal probes/collectors Brine accessory pack Brine pressure limiter (accessory, if no brine pressure limiter is con- nected, insert a jumper across terminals 1X3.8 and 1X3.9 prior to commissioning) Frost protection monitor of the AC-Box (if an AC-Box is connected,...

  • Page 25: Connections On The Primary Side Type Ww (Water/Water)

    Preparing for installation Connections on the primary side type WW (water/water) A Flow direction...
  • Page 26 Preparing for installation Connections on the primary side type WW . . . (cont.) Required devices Pos. Description Heat pump Primary pump (accessory, max. 200 W) Return well Delivery well Well pump Suction pump for groundwater Connect via on-site contactor with fuse protection Possibly provide three-phase power for the pump See conversion, type BW to type WW from page 77 Dirt trap...
  • Page 27 Preparing for installation Connections on the primary side type WW . . . (cont.) Electrical connection LP PCB (see page 63)

  • Page 28: System On The Primary Side Wwc (Water/Water)

    Preparing for installation System on the primary side WWC (water/water) A Flow direction Required devices Pos. Description Heat pump Integral primary pump Return well Delivery well Well pump Suction pump for groundwater Connect via on-site contactor with fuse protection Possibly provide three-phase power for the pump See conversion from type BW to type WW from page 77 Dirt trap Flow limiter (remove jumper when connecting)

  • Page 29: System Version 1 (Type Bw/Ww)

    Preparing for installation System on the primary side WWC (water/water) (cont.) Note For further information regarding the terminal markings and PCBs, see page 63. Electrical connection LP PCB (see page 63) System version 1 (type BW/WW) Select system diagram 2 (see page 137) 1 heating circuit without mixer (A1) DHW heating with DHW cylinder Natural cooling (NC) with mixer...

  • Page 30: Hydraulic Diagram

    Preparing for installation System version 1 (type BW/WW) (cont.) Note The hydraulic scheme is shown with heat pump type BW. For type BWC, primary pump, secondary pump and three-way valve are already integrated and connected within the appliance. Hydraulic diagram...
  • Page 31 Preparing for installation System version 1 (type BW/WW) (cont.) Required equipment Pos. Description Heat source Heat pump Instantaneous heating water heater with associated control module (ac- cessory) Compressor Implement the compressor power supply with 5 x 2.5 mm For information regarding the power connection, see page 89 On-site fuse protection If a full wave soft starter is installed (see type plate), fuses must have Z characteristics...
  • Page 32 Preparing for installation System version 1 (type BW/WW) (cont.) Pos. Description Primary cooling circuit pump Secondary cooling circuit pump Contact humidistat...
  • Page 33 Preparing for installation System version 1 (type BW/WW) (cont.) Electrical connection LP PCB (see page 63) A Plug aCH connected to the cable harness B Control module for instantaneous heating water heater For detailed information regarding the power supply, see from page 63.

  • Page 34: Setting Parameters

    Preparing for installation System version 1 (type BW/WW) (cont.) LP PCB (see page 63) Setting parameters Note Illustration of the required minimum settings. Code to be entered by "contractors": 5243 (see access rights, page 113)

  • Page 35: System Version 2 (Type Bw/Ww)

    Preparing for installation System version 1 (type BW/WW) (cont.) Parameter Setting Parameter group Basic settings System diagram 7000 System definition Wtimer DHW Circ. (e.g. Switching times, 701B System definition DHW circulation pump) setting natural cooling (NC) in heating circuit A1 Remote control 2003 Heating circ.
  • Page 36 Preparing for installation System version 2 (type BW/WW) (cont.) Hydraulic diagram Required equipment Pos. Description Heat source Heat pump Instantaneous heating water heater (accessories)
  • Page 37 Preparing for installation System version 2 (type BW/WW) (cont.) Pos. Description Compressor Implement the compressor power supply with 5 x 2.5 mm For information regarding the power connection, see page 89 On-site fuse protection If a full wave soft starter is installed (see type plate), fuses must have Z characteristics Integral control unit (implement the control unit power supply with 3 x 1.5 mm...
  • Page 38 Preparing for installation System version 2 (type BW/WW) (cont.) Pos. Description Vitotrol 200 remote control for underfloor heating circuit M2 Flow temperature sensor M2 Temperature limiter as maximum limiter for underfloor heating systems Heating circuit pump M2 (max 100 W) Mixer motor M2...
  • Page 39 Preparing for installation System version 2 (type BW/WW) (cont.) Electrical connection LP PCB (see page 63) For detailed information regarding the power supply, see from page 63.
  • Page 40 Preparing for installation System version 2 (type BW/WW) (cont.) LP PCB (see page 63) A Plug aCH connected to the cable harness B Control module for instantaneous heating water heater...
  • Page 41 Preparing for installation System version 2 (type BW/WW) (cont.) LP PCB (see page 63)

  • Page 42: System Version 3 (Type Bw/Ww)

    Preparing for installation System version 2 (type BW/WW) (cont.) Setting parameters Note Illustration of the required minimum settings. Code to be entered by "contractors": 5243 (see page 113). Parameter Setting Parameter group Basic settings System diagram 7000 System definition Wtimer DHW Circ. Switching times, 701B System definition setting...
  • Page 43 Preparing for installation System version 3 (type BW/WW) (cont.) Hydraulic diagram...
  • Page 44 Preparing for installation System version 3 (type BW/WW) (cont.) Required equipment Pos. Description Heat source Heat pump Instantaneous heating water heater (accessories) Compressor Implement the compressor power supply with 5 x 2.5 mm For information regarding the power connection, see page 89 On-site fuse protection If a full wave soft starter is installed (see type plate), fuses must have Z characteristics...
  • Page 45 Preparing for installation System version 3 (type BW/WW) (cont.) Pos. Description DHW heating with a cylinder primary system Dual-mode DHW cylinder Cylinder temperature sensor, heat pump DHW circulation pump Two-way valve, normally closed Flow limiter (Taco Setter) Plate-type heat exchanger (e.g. Vitotrans 100) Cylinder primary pump Solar DHW heating Solar-Divicon with solar circuit pump and expansion vessel...
  • Page 46 Preparing for installation System version 3 (type BW/WW) (cont.) Pos. Description Heating circuit pump A1 (max. 100 W) Heating circuit with mixer (M3) Radiator heating circuit M3 Vitotrol 200 remote control for heating circuit M3; for connection of se- parate room temperature sensor, see Vitotrol installation instructions; observe DIP switch Overflow valve, heating circuit M3 Temperature limiter as maximum limiter for underfloor heating systems...
  • Page 47 Preparing for installation System version 3 (type BW/WW) (cont.) Electrical connection LP PCB (see page 63) A On-site contactor relay B Place jumper from X3.1 (LP1) to X7.1 (LP2) For detailed information regarding the power supply, see from page 68.
  • Page 48 Preparing for installation System version 3 (type BW/WW) (cont.) LP PCB (see page 63) A Plug aCH connected to the cable harness B Control module for instantaneous heating water heater...
  • Page 49 Preparing for installation System version 3 (type BW/WW) (cont.) LP PCB (see page 63)
  • Page 50 Preparing for installation System version 3 (type BW/WW) (cont.) LP PCB (see page 63)
  • Page 51 Preparing for installation System version 3 (type BW/WW) (cont.) LP PCB (see page 63) Setting parameters Note Illustration of the required minimum settings. Code to be entered by "contractors": 5243 (see page 113). Parameter Setting Parameter group Basic settings System diagram 7000 System definition Wtimer DHW Circ.

  • Page 52: Dhw Heating 1

    Preparing for installation System version 3 (type BW/WW) (cont.) Parameter Setting Parameter group External heat source Ext. heat source 7B00 Ext. heat source Ext. heat source for DHW 7B0D Ext. heat source heating Direct heating circuit A1 Remote control 2003 Heating circ. 1 Natural cooling (NC) in heating circuit with mixer M2 Remote control 3003 Heating circ.
  • Page 53 Preparing for installation DHW heating 1 (cont.) Required devices Pos. Description DHW cylinder Electric immersion heater EHE (accessory) Must be installed below the upper cylinder temperature sensor 4 Not required if an instantaneous heating water heater is installed Only connect if the external heat source is not used for DHW heating On-site connection DHW circulation pump (max.

  • Page 54: Dhw Heating 2

    Preparing for installation DHW heating 1 (cont.) Note Information regarding the control operation, see operating instructions. Setting parameters Parameter Setting Parameter group Basic settings System diagram 0, 2, 4, 6, 8, 10 7000 System definition Switching times, auxiliary Switching times, 701B System definition output (e.g.
  • Page 55 Preparing for installation DHW heating 2 (cont.) Required devices Pos. Description DHW cylinder Electric immersion heater EHE (accessory) below the upper cylinder temperature sensor 4 not required if an instantaneous heating water heater is installed only connect if the external heat source is not used for DHW heating On-site connection DHW circulation pump (max.
  • Page 56 Preparing for installation DHW heating 2 (cont.) LP PCB (see page 63) Note Information regarding the control operation, see operating instructions.
  • Page 57 Preparing for installation DHW heating 2 (cont.) Setting parameters Parameter Setting Parameter group Basic settings System diagram 0, 2, 4, 6, 8, 10 7000 System definition Switching times, auxiliary Switching times, 701B System definition output setting DHW heating Switching times DHW Switching times, 6001 DHW setting...

  • Page 58: Installation Sequence Installation Preparations

    Installation sequence Installation preparations Position and level the heat pump as described on page 8.

  • Page 59: Opening The Heat Pump

    Installation sequence Opening the heat pump...
  • Page 60 Installation sequence Opening the heat pump (cont.) Please note 3. Undo the screws of the front top The earth conductors are con- panel. nected to the inside of the cas- ing panels. Never rip off the 4. Undo the earth conductor, lift the earth conductors when remov- front top panel and pull away for- ing the external panels.

  • Page 61: Overview Of Power Connections

    Installation sequence Overview of power connections The power terminals F, G and H D Entry area for electrical cables are protected against accidental con- except power supply cables tact through a shield mounted in front. E PCB 1 (cross connect circuit board) A PCB 3 (sensor PCB) F Control unit power supply...
  • Page 62 Installation sequence Overview of power connections (cont.) H Compressor power supply con- M Instantaneous heating water hea- nection ter (accessories) K Compressor control module O Programming unit L Control and power supply, instan- P Heat pump module taneous heating water heater (accessory) Notes regarding electrical connec- tions...
  • Page 63 Installation sequence Overview of power connections (cont.) Installed positions of the PCBs A PCB 3 (sensor PCB) C PCB 1 (cross connect circuit B PCB 2 (main PCB) board) with control unit fuse D Entry area for cables Note The terminal markings are preceded by figured 1 to 3.
  • Page 64 Installation sequence Overview of power connections (cont.) PCB 1 (cross connect circuit board LP1) The terminals of PCB 1 (message and Example: Terminal 1X2.N safety components) are designated PCB 1 (LP1) as follows: X2. Terminal strip 2 Example: Terminal 1X1.? Any neutral conductor terminal PCB 1 (LP1) X1.
  • Page 65 Installation sequence Overview of power connections (cont.) PCB 2 (main PCB LP2) ~ Consecutive number 1 of the term- inals The terminals of PCB 2 (operating Connection options on PCB 2 (LP2) components 230 V) are designated as Terminals 2X7.1 to 2X7.13 follows: Terminals 2X8.1 to 2X3.13 Example: Terminal 2X7.3...

  • Page 66: Inserting Cables/Leads

    Installation sequence Overview of power connections (cont.) PCB 3 (sensor PCB LP3) The terminals of PCB 3 (sensors and Connection options on PCB 3 (LP3) KM BUS) are designated as follows: Terminals 3X1.1 to 3X1.27 Example: Terminal 3X2.10 Terminals 3X2.1 to 3X2.27 PCB 3 (LP3) Sensor terminals F0 to F23 X2.
  • Page 67 Installation sequence Inserting cables/leads (cont.) A Entry for LV cables < 42 V~ (e.g. C Secure and bundle cables/leads KM BUS, sensors, remote control) (separating LV <42 V~ and with onward routing to PCB 3. 230 V~), so that they cannot shift B Cable entries for 230 V~ with in relation to each other.

  • Page 68: Positioning Of All Terminals

    Installation sequence Inserting cables/leads (cont.) 1. Route external cables to the rear 3. Strip the insulation as close to the top edge of the appliance and terminal as possible. through the cable trunking to the Length of the stripped part of terminal area.
  • Page 69 Installation sequence Positioning of all terminals (cont.) Pumps Equipment Connection Comments Setting parameters (group) Circulation pump 2X7.10 max. 130 W for cylinder heating 1X1.? 7000 System diagram with DHW 1X2.N Cylinder primary 2X8.12 max. 130 W pump (only with cy- 1X1.? 7000 System diagram with DHW linder loading sys-...
  • Page 70 Installation sequence Positioning of all terminals (cont.) Equipment Connection Comments Setting parameters (group) Well pump control 2X8.5 Control only via on-site contactor 1X2.N No parameters need to be (see page 27) Circulation pump 2X8.13 100 W, control only via on-site con- for cylinder reheat- 1X2.N tactor;...
  • Page 71 Installation sequence Positioning of all terminals (cont.) Equipment Connection Comments Setting parameters (group) Vitosolic 100 3X1.25Ó 7 Connection to terminal 7 and 8 of the 3X2.25Ó 8 Vitosolic 100, KM BUS control; see Vitosolic installation instructions 7016 Type Vitosolic Ó 1 (system configuration) Vitosolic 2 3X1.25Ó1 aVG At terminals 145 of the Vitosolic 200,...
  • Page 72 Installation sequence Positioning of all terminals (cont.) Installation instructions NC- NC-Box with integral mixer Equipment Connection Comments Setting parameters (group) NC-Box with mixer 2X8.6ÓX2.4 230 V control and additional KM 1X2.NÓX2.3 BUS; observe DIP switch 1X1.?ÓX5.? 7100 Cooling 3x1.25Ó1 aVG Ó...

  • Page 73: Instantaneous Heating Water Heater

    Installation sequence Positioning of all terminals (cont.) AC-Box (control) Equipment Connection Comments Setting parameters (group) AC-Box AC signal: Parameters in accordance with the 2X7.6Ó1 aMAE allocation of cooling to the hydraulic 1X2.NÓ2 aMAE circuit (heating circuit without sepa- 1X1.?Ó? aMAE rate cooling circuit), control 230 V~ NC signal: and additional KM BUS;...
  • Page 74 Installation sequence Positioning of all terminals (cont.) Instantaneous heating water 1. Fit control module D above aper- heater (accessory) installation ture for the instantaneous heating instructions. water heater B with 2 screws on mounting plate A. Control module for the instanta- neous heating water heater 2.

  • Page 75: External Heat Source

    Installation sequence Positioning of all terminals (cont.) Electric immersion heater EHE Equipment Connection Comments Setting parameters (group) Electric immersion See DHW heating, Alternatively, the external heat heater EHE page 53 source can be used for DHW heat- ing; connection on site 6014 Booster heater Ó...
  • Page 76 Installation sequence Positioning of all terminals (cont.) Equipment Connection Comments Setting parameters (group) Mixer motor, exter- 2X7.7VOPEN Directly controlled mixer without KM nal heat source 1X1.? 1X2.N 2X7.8vCLOSE (see page 47) No parameters need to be set. Control of an exter- 2X7.1 Control via zero volt contact;...
  • Page 77 Installation sequence Positioning of all terminals (cont.) Conversion from type BW into type WW This requires the connection of additional appliances (see the following table). Equipment Connection Comments Setting parameters (group) Flow switch 1X3.3 Remove jumper and connect flow 1X3.4 limiter No parameters need to be Frost protection...

  • Page 78: Connection Of Electrical Components

    Installation sequence Positioning of all terminals (cont.) A Terminals at PCB 1 and 2 B Primary pump (max. 200 W, already integrated and connected for type BWC/WWC) C Contactor relay (on site) D Protective motor switch (on site) E Well pump Connection of electrical components Temperature limiter (maximum limit for underfloor heating systems)
  • Page 79 Installation sequence Connection of electrical components (cont.) Connection to heating circuit A1, Connection to heating circuit A1, A Terminals on PCB 2 A Terminals on PCB 2 (remove plug B Temperature limiter (maximum on temperature limiter) limit for underfloor heating sys- B Temperature limiter (maximum tems) limiter for underfloor heating sys-...
  • Page 80 Installation sequence Connection of electrical components (cont.) Connection with temperature lim- iter to extension kit to heating cir- cuit M3 A Plug sÖ for extension kit B Temperature limiter (maximum limiter for underfloor heating sys- tem, part no. 7151728, 7151729) C Heating circuit pump M3 "Ext.
  • Page 81 Installation sequence Connection of electrical components (cont.) Equipment Connection Comments Setting parameters (group) External demand See the previous Observe parameter 730C screen No parameters need to be Function "External See previous illus- Observe parameter 730C mixer open" tration and page 143 7014 Set external demand/mixer open 0 Ó...
  • Page 82 Installation sequence Connection of electrical components (cont.) Equipment Connection Comments Setting parameters (group) External blocking See the previous Observe parameter 701A screen No parameters need to be Mixer close See the previous Observe parameter 701A screen 7015 Set external blocking/mixer close 0 Ó...
  • Page 83 Installation sequence Connection of electrical components (cont.) A Connection inside the heat pump E Circulation pump for swimming B KM BUS pool water heating (accessory) C External extension H1 F Swimming pool thermostat (zero D Three-way diverter valve "swim- volt N/O, accessory) ming pool"...
  • Page 84 Installation sequence Connection of electrical components (cont.) For further information, see the follow- ing chapter: Power connection from page 92. Power connection, compressor, page 96. A Terminals on PCB 1 Contact open: Block enabled B Zero volt N/C contact Contact closed: Block disabled Note Generally, the compressor is switched...
  • Page 85 Installation sequence Connection of electrical components (cont.) Cascade control (lag appliance) Note Terminals of the "External extension H1" (see Fig. on page 86) Open contact 1X3.10/1X3.11 trig- gers a fault message (see central fault message, page 87). Subject to the lag heat pump, pro- gram parameters in accordance with the following table.
  • Page 86 Installation sequence Connection of electrical components (cont.) A Heat pump 1 (lead appliance) F Zero volt contact B KM BUS G Heat pump 3 (lag appliance) C External extension H1 H Zero volt contact D Zero volt contact K Heat pump 4 (lag appliance) E Heat pump 2 (lag appliance)
  • Page 87 Installation sequence Connection of electrical components (cont.) Room temperature sensor for separate cooling circuit Equipment Connection Comments Setting parameters (group) Room temperature See the following Sensor type: Ni 500 sensor for separate illustration No parameters need to be cooling circuit A Terminals on PCB 3 B Room temperature sensor (part no.
  • Page 88 Installation sequence Connection of electrical components (cont.) Fitting the front top panel When all electrical connections have been made in the upper wiring area, fit the front top panel as cover. 1. Guide the front top panel with the 2. Push on earth conductor A and angled tabs on both sides into the insert the front screw to secure the associates slots and push back.

  • Page 89: Power Supply

    Installation sequence Power supply Danger Incorrectly executed electrical installations can lead to injury through the transmission of dangerous body currents and result in equipment damage. Carry out the power supply connection and all earthing measures (i.e fault current cir- cuit) in accordance with IEC 364, the requirements of your local power supply utility, VDE or local and national regu-...
  • Page 90 Installation sequence Power supply (cont.) We recommend making the power Danger connection for accessories and The absence of component external components to the same earthing can transfer danger- fuse, with at least the same phase ous body currents, should an as the control unit.
  • Page 91 Installation sequence Power supply (cont.) Connecting the brine pressure limiter or a jumper After the power supply has been Note made, connect a brine pressure lim- Carry out all other preparations in iter or the jumper supplied in the pack connection with commissioning across terminals 1X3.8 and 1X3.9.
  • Page 92 Installation sequence Power supply (cont.) Lower entry area F for 1 to 3 power 5. Guide the power cables through cables. Cable length approx. 1.50 m cable retainer E to the following plus wall clearance. terminals: 1. Remove the front, top and side Control unit mains terminals panel (see page 59).
  • Page 93 Installation sequence Power supply (cont.) Shown excluding fuses and RCD. D Ripple control receiver (contact open: power-OFF enabled) A Compressor E Backup fuse ripple control recei- B Instantaneous heating water hea- F High tariff meter C Control unit and accessories G TNC system feed H Low tariff meter Power supply with power-OFF (with on-site load disconnect-...
  • Page 94 Installation sequence Power supply (cont.) Shown excluding fuses and RCD. E Heating system main isolator F High tariff meter A Control unit and accessories G Ripple control receiver (contact B Instantaneous heating water hea- open: power-OFF enabled) H Low tariff meter C Compressor K TNC system feed D Control unit power supply...
  • Page 95 Installation sequence Power supply (cont.) Note If the compressor and/or the instanta- neous heating water heater are oper- ated at a lower tariff (power-OFF), provide an additional cable for the switching contact "power-OFF" (e.g. NYM 3x1.5 mm ) from the distribution board (meter box) to the heat pump.
  • Page 96 Installation sequence Power supply (cont.) Compressor power supply connection Low tariff and power-OFF can be used. Fuse protection in accordance with the compressor rating (see specifi- cation). No parameters need to be set when using low tariff with power-OFF. During the power-OFF period, the A Mains terminals inside the heat compressor will be mechanically pump...
  • Page 97 Installation sequence Power supply (cont.) Max. fuse rating 16 A Fit contact shield (see page 59 With enabled power-OFF (see also and 98) in front of the mains terminals page 83), the compressor is gener- or seal the low tariff connection (see ally shut down mechanically and a the following chapter).

  • Page 98: Phase Monitor

    Installation sequence Power supply (cont.) 1. Separating the smaller cover 3. Push separated cover panel C panel C from the contact with both mounting holes over the 2 shield A by breaking along the studs and secure it on the studs. perforation E.
  • Page 99 Installation sequence Power supply (cont.) LEDs explained LED "Rel" illuminates green: All voltages and the rotating field (clockwise) are healthy. LED "Ph" illuminates red: The relay has responded; the rotat- ing field is anti-clockwise. All LED's off: One or several phases have dropped out.

  • Page 100: Connection On The Primary Side (Brine)

    Fill the brine circuit with Viessmann complete venting is ensured. heat transfer medium. Equip the brine circuit, in line with DIN 4757, with an expansion vessel and a safety valve.
  • Page 101 Installation sequence Connections on the secondary side (heating . . . (cont.) Please note With underfloor heating cir- cuits, there is a risk of building damage through overheating the screed, if the control fails. Equip underfloor heating cir- cuits with a temperature lim- iter.

  • Page 102: Commissioning, Inspection, Maintenance 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. Removing the top panels ........... 2.

  • Page 103: Further Details Regarding The Individual Steps

    Commissioning, inspection, maintenance Further details regarding the individual steps Removing the top panels Danger Please note Touching 'live' components can Wait at least 30 min between result in the transfer of danger- the installation and the com- ous body currents. missioning of the appliance to Never touch the terminals prevent equipment damage.
  • Page 104 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. Undo and remove gusset plate. 2. Undo the transport brackets on the base plate of the heat pump mod- ule.
  • Page 105 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Maintaining service reports Enter measurements taken during commissioning described in the fol- lowing in the reports from page 203 onwards.
  • Page 106 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Opening the heat pump...
  • Page 107 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Please note If the compressor is at a steep angle in the heat pump module, the introduction of lubricant into the refrigerant circuit will damage the equipment. Never tilt the heat pump module more than 45°. 2.
  • Page 108 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Filling the primary circuit, venting it and checking its pres- sure Please note 3. Only for commissioning: To prevent equipment damage, Fill the primary circuit with heat it is vital to prevent the com- transfer medium and vent the cir- pressor from being switched on cuit.
  • Page 109 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Filling and venting the heating water side 4. Fill the heating circuit via fill & drain valve A with water; during filling, check the system pressure at the pressure gauge. Minimum system pres- 0.8 bar sure...
  • Page 110 10 min (see page, point compressor casing exterior while it 1 and 2). is in operation. Ice must not form on the outside of the compressor, and the casing must not become hotter than 60 °C (otherwise consult the Technical Service department at Viessmann).
  • Page 111 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Setting the control parameters 1. Activate the "Contractor level". 3. Acknowledge all fault messages For information regarding the (see page 119). "Contractor level" and regarding control parameters, see chapter Note "Control settings"...
  • Page 112 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Calling up the commissioning assistant 2. Starting the system with ON/OFF switch A. A progress bar "Check System" appears in the display 3. Press key 6 C on the program- ming unit whilst the progress bar is filling from left to right.
  • Page 113 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. Access rights Please note Note Incorrect operation at the con- The contractor level remains active tractor level can result in until key"Standard display" is damage to the appliance and pressed again or no operation took the heating system.
  • Page 114 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. If displayed values deviate by more 2. Change to the next function with than 1 K from actual values, cali- key "BACK". brate the sensors via keys 0 and =. 6.
  • Page 115 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 9. Commissioning Call up, adjust or enable all parameters from the entire menu tree (see separate menu tree). 1. The display shows system compo- 2. Pressing key "F" twice brings the nent that were entered under "Pro- commissioning to an end.
  • Page 116 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System components Control unit tasks "Heat pump" Function check Start the primary and the sec- ondary pump. Regulate the heat pump to a return tem- perature to the heating circuit of 30 °C.
  • Page 117 Troubleshooting Control unit diagnostics Overview of the programming unit A Standard display G No function B Rotary selector H Display area for current operating "Reduced room temperature" conditions C Rotary selector K Message display area "Standard room temperature" L Set temperature display area D Operating mode selector M Enabled system components dis- E "Standard display"...

  • Page 118: Troubleshooting Control Unit Diagnostics

    Troubleshooting Control unit diagnostics (cont.) Fault (highest priority) Warning (medium priority) Note (lowest priority) Fault Standard display: The fault symbol The fault message with an addi- "U" flashes on the l.h. side at the tional identifier appears in the dis- bottom of the display (display area play.

  • Page 119: Acknowledging Messages

    Troubleshooting Control unit diagnostics (cont.) Calling up messages This is where all messages are dis- "Device settings" played. Messages with the highest "Access rights" priority are shown at the top in the dis- Enter code: 5243 play. The most recent message is "OK"...
  • Page 120 Troubleshooting Control unit diagnostics (cont.) Access "BACK" to acknowledge all faults Press "Standard display" (see Press "Standard display" page 117): Fault messages appear. "ALL" ("º" appear behind all mes- sages) Skip messages To make adjustments/scans at the Access control unit: Press "Standard display"...
  • Page 121 Troubleshooting Control unit diagnostics (cont.) Message Cause Access (priority) Measures right Fault EEV ("U") 1. Fault message from the EEV : Customer Refrigerant circuit control The system must be reconfigured Message EEV Message from the EEV: Refrigerant Heating en- ("i") circuit control gineer No measures required...
  • Page 122 Troubleshooting Control unit diagnostics (cont.) Message Cause Access (priority) Measures right Flow sens. pri- Break, primary flow temperature Customer mary ("U") sensor (IN) Check the sensor and replace, if required Return sens. Break, primary return temperature Customer primary ("U") sensor (OUT) Check the sensor and replace, if required Flow temp.
  • Page 123 Troubleshooting Control unit diagnostics (cont.) Message Cause Access (priority) Measures right DHW sens. Short circuit, DHW temperature sen- Customer Top ("U") sor, top Check the sensor and replace, if required DHW sens. Short circuit, DHW temperature sen- Customer Bottom ("U") sor, bottom Check the sensor and replace, if required...
  • Page 124 Troubleshooting Control unit diagnostics (cont.) Message Cause Access (priority) Measures right Ext. Heat Break, external heat source tem- Customer source ("U") perature sensor Check the sensor and replace, if required Room tem- Short circuit, room temperature sen- Customer perature sen- sor, heating circuit 1 sor HK1 ("U") Check the sensor and replace, if...
  • Page 125 Troubleshooting Control unit diagnostics (cont.) Message Cause Access (priority) Measures right Room tem- Break, room temperature sensor nat- Customer perature sen- ural cooling sor NC ("U") Check the sensor and replace, if required Collector sen- Short circuit, collector temperature Customer sor ("U") sensor solar - Vitosolic Check the sensor and replace, if...
  • Page 126 Troubleshooting Control unit diagnostics (cont.) Message Cause Access (priority) Measures right Heat pump Safety high pressure, control high Customer ("U") pressure 10 times in sequence/ 24 h period, fault refrigerant circuit con- trol, all primary/secondary tempera- ture sensors faulty, low pressure response 10 times in sequence Message history: Scan further mes- sages (page 119), check flow rates,...
  • Page 127 Troubleshooting Control unit diagnostics (cont.) Message Cause Access (priority) Measures right Cylinder pri- Cylinder primary pump, circulation Customer mary pump pump for cylinder heating or two-way ("U") valve on the cylinder primary system faulty. Check components and replace, if required. Appliance re- Error in recognising appliance ver- Customer...
  • Page 128 Troubleshooting Control unit diagnostics (cont.) Message Cause Access (priority) Measures right KM BUS mixer Communication error KM BUS mixer Customer NC ("U") NC, internal fault extension set for one heating circuit with mixer Check appliance connections and coding KM BUS FB Communication error KM BUS Customer HK1 ("U")
  • Page 129 Troubleshooting Control unit diagnostics (cont.) Message Cause Access (priority) Measures right Primary The monitoring primary source input Customer source ("U") has responded (brine pressure, flow meter) Check safety equipment (frost pro- tection brine pressure, frost protec- tion AC-Box) on terminals 3X3.9 and 3X3.8;...
  • Page 130 Troubleshooting Control unit diagnostics (cont.) Message Cause Access (priority) Measures right Control high Air in the heating circuit; secondary Contractor pressure ("i") or heating circuit pump blocked; con- denser contaminated; pressure sen- sor faulty Vent heating circuit; check second- ary and heating circuit pump; flush heating circuit;...
  • Page 131 Troubleshooting Control unit diagnostics (cont.) Characteristics and effects of system/control unit The heat pump will not start. Mixer heating circuit M2 is closed. Mixer heating circuit M3 is closed. Cooling mode" natural cooling" without regulating the flow. Control via external humidity sensor and frost stat. Use of the lower cylinder temperature sensor.
  • Page 132 Troubleshooting Control unit diagnostics (cont.) The information line (second line from the top of the display) contains the fol- lowing details: 0000 0000 0000 The last 4 digits designate the ver- sion of the hardware and software of the heat pump module. Terms and values of the display details: Err/Msg "Error Message"...
  • Page 133 Troubleshooting Control unit diagnostics (cont.) The info line in the display contains a left hand and right hand group of fig- ures: Compressor stage 1 Compressor stage 2 Fault Reports Fault Reports Group 1 Group 2 Group 3 Group 4 Group 5 Group 6 Group 7 Group 8 In connection with compressor 10 LPG temperature sensor faulty...
  • Page 134 Troubleshooting Control unit diagnostics (cont.) Load classes In case of temperature ramp 32 to In case of temperature ramp < 25 to 41 K 32 K In case of temperature ramp 41 to In case of temperature ramp 25 to 50 K 32 K In case of temperature ramp >...

  • Page 135: Diagnosis

    Troubleshooting Diagnosis Measures in case the room temperature is constantly too low Carry out the following steps to troubleshoot the problem. 1. Vent the heating circuit. 5. Increase the set room temperature for standard operation and match 2. Check the flow rate of the heating the heating curves (see operating circuit(s) concerned.

  • Page 136: Control Unit Settings By The Contractor

    Control unit settings Menu structure overview main menu Separate document; menu tree Control unit settings by the contractor Only those settings are described on Access the following pages that are the Should "fault messages" already be exclusive domain of specialists oper- displayed, these can be skipped ating at the contractor level.

  • Page 137: System Diagram

    System definition control settings System diagram Parameter "System definition" 7000 "System diagram" Select the system diagram during l or m commissioning. This selection automatically enables Standard setting and monitors all components asso- Setting range 0 to 11 ciated with the respective scheme. Access Note "Device settings"...

  • Page 138: Temperature Differential Cooling

    System definition control settings Temperature differential heating (cont.) Access "Device settings" "Programming" "System definition" y to "Temp. diff. heating" 5 or % Standard setting Setting range 0 to 20 K A Set room temperature B Outside temperature C Selected value "Temp. diff. heat- ing"...

  • Page 139: Swimming Pool

    System definition control settings Temperature differential cooling (cont.) Access "Device settings" "Programming" "System definition" y to "Temp. diff. cooling" 5 or % Standard setting 4,0 K Setting range 1,0 to 20,0 K A Set room temperature B Cooling limit temperature C Selected value "Temp.

  • Page 140: Cascade Control (Lag Appliance)

    System definition control settings Cascade control (lead appliance) (cont.) Access Explanation: "Device settings" 0 No cascade "Programming" 1 Cascade control via "External "System definition" extension H1" y to"Cascade control" 2 No function l or m Note Standard setting Observe parameter 5735 (number of Setting range 0 to 2 external heat pumps).

  • Page 141: External Extension

    System definition control settings External extension Parameter 7010 Details whether an external extension H1 is connected. The external extension H1 can be Access used for the following functions: "Device settings" Swimming pool water heating "Programming" Heat pump cascade "System definition" Externally changing operating y to"Ext.

  • Page 142: External Operating Mode Changeover Effect

    System definition control settings External operating mode changeover heating . . . (cont.) No. Affects the following system components 6 A1: Direct heating circuit M2: Heating circuit with mixer, DHW heating 7 M2: Heating circuit with mixer M3: Heating circuit with mixer 8 M2: Heating circuit with mixer M3: Heating circuit with mixer, DHW heating 9 A1: Direct heating circuit...

  • Page 143: External Operating Mode Changeover Duration

    System definition control settings External operating mode changeover duration Parameter Duration of the operating mode chan- 7013 geover, even if "Party mode" is cur- rently enabled. Access Settings explained: "Device settings" No specified duration; change- "Programming" over takes place as long as the "System definition"...

  • Page 144: External Blocking/Mixer Close

    System definition control settings External demand/mixer OPEN (cont.) No. Function of the following system components 2 M2: Heating circuit with mixer control mode M3: Heating circuit with mixer moves into the OPEN position No heat demand to the heat pump 3 M2/M3: Heating circuits with mixer move into the OPEN position No heat demand to the heat pump...

  • Page 145: Type Vitosolic

    System definition control settings External Blocking/mixer CLOSE (cont.) No. Function to the associated setting 0 M2/M3: Heating circuits with mixer control mode No heat pump blocking 1 M2: Heating circuit with mixer moves into the CLOSE position M3: Heating circuit with mixer control mode No heat pump blocking 2 M2: Heating circuit with mixer...

  • Page 146: Vitocom 100

    System definition control settings Vitocom 100 Parameter Specify whether a Vitocom 100 is 7017 installed in the system. Access y to"Vitocom 100" "Device settings" "YES" or "NO" "Programming" "System definition" Standard setting Setting range Yes/No External blocking effect Parameter Any combination of individual compo- 701A nents is possible.

  • Page 147: Additional Output With Switching Times (E.g. Dhw Circulation Pump)

    System definition control settings External blocking effect (cont.) Value Secondary Cylinder Heating Heating Heating cir- pump/ pump circuit circuit cuit pump compres- blocked pump pump A1 blocked blocked blocked blocked Additional output with switching times (e.g. DHW circulation pump) Parameter Operating instructions 701B...

  • Page 148: Compressor Control Settings Compressor Enable

    Compressor control settings Compressor enable Parameter 5000 Access Standard setting "Device settings" Setting range Yes/No "Programming" "Compressor" y to"Enable" Heat pump output Parameter Note 5030 Pressing standard settings key ª or i to achieve a reset from the Entry of the output for the energy main menu returns the output value statement.

  • Page 149: Number Of External Heat Pumps

    Compressor control settings Number of external heat pumps Parameter Details of the number of heat pumps 5735 (lag appliances) that are connected in addition to the main heat pump (lead appliance). Access Setting range 0 to 4 "Device settings" "Programming" "System definition"...

  • Page 150: Control Settings, External Heat Source External Heat Source

    Control settings, external heat source External heat source Parameter Note 7B00 All following parameters will only become visible after an external heat Details of an external heat source source has been confirmed with (ext. HS) integrated into the heating "YES". system.

  • Page 151: External Heat Source For Dhw

    Control settings, external heat source Dual-mode temperature (cont.) Access y to "Dual-mode temp" "Device settings" 1 or ! "Programming" "Ext. heat source" Standard setting 10 °C Setting range -50 to 50 °C External heat source for DHW Parameter In case of higher heating demand 7B0D made of the DHW cylinder that cannot be covered by the heat pump alone,...

  • Page 152: Dhw Control Settings Cylinder Temperature Dhw

    DHW control settings Cylinder temperature DHW Parameter Operating instructions 6000 Switching times, DHW Parameter Operating instructions 6001 Min. temperature Parameter When the actual temperature falls 6005 below the min. temperature, the DHW cylinder is heat up to that value plus The minimum temperature prevents hysteresis.

  • Page 153: Hysteresis/Hysteresis Booster Heater

    DHW control settings Max. temperature (cont.) Danger Access DHW with temperatures in "Device settings" excess of 60 ºC can cause "Programming" scalding. "DHW" To limit the temperature to y to"Max. temp." 60 °C, install a mixing device, T or U e.g.

  • Page 154: Start Optimisation Dhw

    DHW control settings Hysteresis/Hysteresis booster heater (cont.) Note The value selected for "Hysteresis" should be higher than the expected temperature drop due to heat losses in a single night (approx. 5 K). A lower value for "Hyst. booster hea- ter" increases the proportion of elec- trical DHW heating, i.e.

  • Page 155: Stop Optimisation Dhw

    DHW control settings Stop optimisation DHW Parameter Operating instructions 600A DHW auxiliary function Parameter Operating instructions 600B Set DHW temperature 2 Parameter Operating instructions 600C Temp. sensor 2 Parameter DHW heating is started with the 600E switching times stages using the upper temperature sensor, in case of A second temperature sensor offers max.

  • Page 156: Booster Heater

    DHW control settings Booster heater Parameter Access 6014 "Device settings" "Programming" The DHW can be boosted either by an "DHW" electric booster heater (e.g. electric y to"Booster heater" immersion heater EHE) or by a sec- "YES" or "NO" ond heat source (control or enabling the pump for the external heat Standard setting source).

  • Page 157: Electric Heating

    Control settings, electric heater Instantaneous heating water heater Parameter Please note 7900 If this parameter is used to block the electric heater, then Setting an electric booster heater the instantaneous heating (accessory) fitted into the heating water heater cannot protect the flow.

  • Page 158: Stage For Power-Off

    Control settings, electric heater Max. stage electric booster heater (cont.) Standard setting Access Setting range 1 to 3 "Device settings" "Programming" Settings explained: "Electric heater" 1 max. 3 kW y to "Max. e heating stage" 2 max. 6 kW l or m 3 max.

  • Page 159: Screed Program

    Control settings, hydraulics Heat pump for drying buildings Parameter This function must be set to "NO" if 7300 the heat pump is not ready for opera- tion because the heat pump primary This setting determines whether the circuit is not ready when building dry- heat pump is used to dry the building ing takes place.
  • Page 160 Control settings, hydraulics Screed program (cont.) Note Temperature/time profile 3 (to The power consumption increases ÖNORM) when using an instantaneous heating water heater (accessory) for drying buildings. Temperature/time profile 1 (in acc. with EN 1264-4) A Flow temperature B Days Temperature/time profile 4 A Flow temperature B Days...

  • Page 161: Set Flow Temperature, External Demand

    Control settings, hydraulics Screed program (cont.) Temperature/time profile 6 A Flow temperature B Days Within the temperature/time profiles 7 to 12, the system regulates to the pro- grammed value (max. flow tempera- Access ture) for a period of between 5 and 30 "Device settings"...
  • Page 162 Control settings, hydraulics Set flow temperature, external demand (cont.) Access y to "Set flow ex. demand" "Device settings" 1 or ! "Programming" "Internal hydraulics" Standard setting 50 °C Setting range 0 to 70 °C...

  • Page 163: Buffer Cylinder Switching Times

    Control settings, heating water buffer cylinder Buffer cylinder Parameter 7200 Note This function is only available for system scheme 1 and 2. When selecting system scheme 3 to In system scheme 2, if a heating 10, the buffer cylinder will be defined water buffer cylinder is part of the sys- automatically as a system compo- tem, that must be selected by opting...

  • Page 164: Hysteresis

    Control settings, heating water buffer cylinder Fixed temperature (cont.) Access y to "Fixed temp." "Device settings" 1 or ! "Programming" "Buffer cylinder" Standard setting 50 °C Setting range 10 to 70 °C Hysteresis Parameter This setting determines, at what 7203 deviation from the selected set room temperature the heating of the heating Note...

  • Page 165: Max. Temperature

    Control settings, heating water buffer cylinder Max. temperature Parameter 7204 Note This function is only available in case of system scheme 1 and 2, if the option "Yes" was selected under "Buffer cylinder". Setting of the maximum temperature in the heating water buffer cylinder. Access y to "Max.

  • Page 166: Control Settings, Heating Circuits Standard Room Temperature

    Control settings, heating circuits Standard room temperature Parameter Separate setting of switching times for 2000 - HK A1 all heating circuits A1, M2 and M3. 3000 - HK M2 4000 - HK M3 Operating instructions Reduced room temperature Parameter Separate setting of switching times for 2001 - HK A1 all heating circuits A1, M2 and M3.

  • Page 167: Heating Curve Level

    Control settings, heating circuits Activating the remote control (cont.) Vitotrol 200 installation instruc- tions Heating curve level Parameter Separate setting of switching times for 2006 - HK A1 all heating circuits A1, M2 and M3. 3006 - HK M2 4006 - HK M3 Operating instructions Heating curve slope Parameter...

  • Page 168: Room Temperature Hook-Up (Heating Circuit)

    Control settings, heating circuits Room temperature hook-up (heating circuit) Parameter This setting determines, when the 200B - HK A1 room temperature hook-up should be 300B - HK M2 enabled in addition to the weather- 400B - HK M3 compensated control. Settings: No room temperature hook-up Room temperature hook-up only in reduced mode...

  • Page 169: Cooling Circuit

    Cooling control settings Cooling Parameter Determining the function of active 7100 cooling. Access Standard setting "Device settings" Setting range 0 to 3 "Programming" Settings explained: "Cooling" 0 No cooling "Cooling" 1 NC-Box without mixer l or m 2 NC-Box with mixer 3 AC-Box Cooling circuit Parameter...

  • Page 170: Min. Flow Temperature

    Cooling control settings Min. flow temperature Parameter Limiting the flow temperature of the 7103 separate cooling circuit to a minimum value. Access y to " Min. flow temp." "Device settings" 1 or ! "Programming" "Cooling" Standard setting 10 °C Setting range 1 to 30 °C Room hook-up slope, separate cooling circuit Parameter...
  • Page 171 Cooling control settings Cooling curve level/slope (cont.) The "Cooling curve level" para- The "Cooling curve slope" para- meter moves the cooling curve meter assigns a lower flow tempera- along the flow temperature axis. ture to the same outside temperature if there is a greater slope.

  • Page 172: Control Settings, Time Automatic Summer/Winter Time Changeover

    Control settings, time Automatic summer/winter time changeover Parameter Access 7C00 "Device settings" 7C01 "Programming" 7C02 "Time" 7C03 "Auto. Su./wi. time" 7C04 "YES"/"NO" to enable/dis- 7C05 able"Auto. su./wi. change" 7C06 y/x until the value to be Date and time are factory-set and may adjusted is highlighted (see the be changed manually.

  • Page 173: Sensor Resistance Curves

    Components Sensor resistance curves Temperature sensor Further sensors Further sensors: Room temperature sensors: Capturing element made of "Pt 500" Capturing element made of "Ni 500" DHW cylinder sensors, top/bottom Flow temperature sensors heating/ Heating water buffer cylinder sensor cooling circuit System flow sensor Outside temperature sensor External heat source sensor...

  • Page 174: Connection And Wiring Diagrams Overview Of The Pcbs And Connection Options

    Connection and wiring diagrams Overview of the PCBs and connection options Note No accurate physical layout is shown in any of the following connection dia- grams. For PCB overview, see from page 61. PCB 1: Message and safety components q¢Q ON/OFF switch q¢E External demand, zero volt con- q¢W External blocking, zero volt con- tact...
  • Page 175 Connection and wiring diagrams PCB 1: Message and safety components (cont.) q¢R Fault message, lag heat source, q¢U Flow limiter (jumper fitted in the zero volt contact closed: Appli- delivered condition, remove jum- ance operational (delivered con- per if making this connection, dition: jumper fitted) outside the safety chain) q¢T Brine pressure limiter, frost...
  • Page 176 Connection and wiring diagrams PCB 1: Message and safety components (cont.) Function Explanation Connection Brine pressure limiter, If both limiters are installed wire in 1X3.9 frost stat (fault message series: 1X3.8 from AC-Box) Closed = safety chain has continu- Open = safety chain break; appli- ance not operational Either jumper or limiter(s) must be connected...

  • Page 177: Pcb 2: Function Components 230 V

    Connection and wiring diagrams PCB 2: Function components 230 V w¢Q Primary pumps/well pump con- w¢R Instantaneous heating water trol heater control (stage 1) w¢W NC-Box control (cooling) w¢T Mixer motor, heating circuit M2 - w¢E Secondary pump OPEN...
  • Page 178 Connection and wiring diagrams PCB 2: Function components 230 V (cont.) w¢Z Mixer motor, heating circuit M2 - wYE Mixer motor, external heat CLOSE source - OPEN w¢U Circulation pump, heating wYR Mixer motor, external heat circuit M2 source - CLOSE w¢I Cylinder primary pump (in case wYT Circulation pump, direct heating of a primary system at the DHW...
  • Page 179 Connection and wiring diagrams PCB 2: Function components 230 V (cont.) Function Explanation Connection 2X7.3 2X7.4 Control of the instanta- Install control module (accessory) 2X7.5 neous heating water hea- P=10 W ter control (stage 2) Control of the AC-Box or This pump is started in parallel if 2X7.6 the circulation pump of...
  • Page 180 Connection and wiring diagrams PCB 2: Function components 230 V (cont.) Function Explanation Connection Central fault message Zero volt contact: 2X7.12 closed=fault 2X7.13 open=no fault Contact breaking capacity 250 V~, 4(2) A unsuitable for safety LV Function components 230 V on PCB 2 (motherboard, terminal strip X8) Function Explanation Connection...
  • Page 181 Connection and wiring diagrams PCB 2: Function components 230 V (cont.) Function Explanation Connection Instantaneous heating Instantaneous heating water heater 2X8.8 water heater (stage 1) control signal, stage 1 Install control module (accessory) P=10 W Control of the mixer 230 V 2X8.9 motor, heating circuit M2, signal OPEN...

  • Page 182: Pcb 3: Sensors And Km Bus

    Connection and wiring diagrams PCB 3: Sensors and KM BUS e¢Q KM BUS e¢Z Flow, heating circuit with e¢W Heating water buffer cylinder mixer M2 e¢E Outside temperature sensor e¢U System flow (downstream of the e¢R DHW cylinder, top heating water buffer cylinder or e¢T DHW cylinder, bottom external heat source)
  • Page 183 Connection and wiring diagrams PCB 3: Sensors and KM BUS (cont.) e¢I Flow, cooling (heating circuit or e¢O Room temperature sensor, cool- separate cooling circuit) ing circuit eYP External heat source Connection markings For PCB overview, see from page 61. Terminal strip X1: Terminals 3X1.1 to 3X1.27 Note...

  • Page 184: Safety Chain (Explanations)

    Connection and wiring diagrams PCB 3: Sensors and KM BUS (cont.) Sensor / KM BUS Type Connection KM BUS 3X1.25 / 3X2.25 Safety chain (explanations) The following diagrams showing the Power-OFF Power supply utility block safety chain contain the individual Three phase monitor safety elements.

  • Page 185: Safety Chain (Part 1)

    Connection and wiring diagrams Safety chain (part 1) 1 Terminal 1 on the 10-pole terminal block behind the contact shield (see page 61) A Power supply B Connection, control circuit (part 1), see page 187 C External demand D Fault message, lag heat source E Flow switch F External blocking G Power-OFF...

  • Page 186: Safety Chain (Part 2)

    Connection and wiring diagrams Safety chain (part 2) 4 - qP Terminals 4 to 10 on the 10- pole terminal block behind the contact shield (see page 61) Connection, safety chain (part 1), see page 185 Brine pressure limiter, poss. frost stat, frost protection AC- Box (for commissioning, insert jumper from the pack...

  • Page 187: Control Circuit (Part 1)

    Connection and wiring diagrams Control circuit (part 1) Note The total output of all connected appli- ances must not exceed 1000 W. If the total output 1000 W, the individual rating of a component can be greater than specified. A Connection, safety chain (part 1), see page 185 B Switched phase C Control of external heat source...

  • Page 188: Control Circuit (Part 2)

    Connection and wiring diagrams Control circuit (part 2) A Connection, control circuit (part 1), see page 187 B Compressor relay (control unit enable) C Primary pump (already integrated for type BWC/WWC) D Protective motor switch, primary pump (primary pump already inte- grated in type BWC/WWC;...

  • Page 189: Power Circuit - Compressor

    Connection and wiring diagrams Power circuit - compressor A Compressor power supply con- nection B Three phase monitor (see also page 185) C Compressor contactor (see also page 186) D Protective motor relay (see also page 186) E Starter (not for 6 kW) F Compressor...

  • Page 190: Power Circuit - Instantaneous Heating Water Heater

    Connection and wiring diagrams Power circuit - instantaneous heating water heater A Instantaneous heating water hea- ter power supply B Control module for instantaneous heating water heater C Stage 1 D Stage 2 E Instantaneous heating water hea- ter (accessory) with high limit safety cut-out...
  • Page 191 Parts lists Parts lists type BWC When ordering spare parts: 033 Rubber cushion Quote the part and serial no. (see 034 Compressor insulation type plate) and the item no. of the 036 Hose clip required part (as per this parts list). 037 Retaining clip 038 Connector Obtain standard parts from your local...

  • Page 192: Parts Lists Parts Lists Type Bwc

    Parts lists Parts lists type BWC (cont.) 200 Front panel 123 Line set, instantaneous heating 201 Front top panel water heater 202 Side panel, right 128 Connecting cable, starter 203 Side panel, left 131 Cable set, electronic expansion 204 Fixing panel valve (EEV) 205 Decorative caps 132 Cable harness, high pressure...
  • Page 193 Parts lists Parts lists type BWC (cont.)
  • Page 194 Parts lists Parts lists type BWC (cont.)
  • Page 195 Parts lists Parts lists type BWC (cont.)
  • Page 196 Parts lists Parts lists type BWC (cont.)

  • Page 197: Parts Lists Type Bw

    Parts lists Parts lists type BW When ordering spare parts: 039 Connector Quote the part and serial no. (see 040 Pipe clip type plate) and the item no. of the 044 Single stage profile hose required part (as per this parts list). 045 Profile hose 047 Casing front, heat pump module Obtain standard parts from your local...
  • Page 198 Parts lists Parts lists type BW (cont.) Parts not shown 128 Connecting cable, starter 103 Ribbon cable, 50-PIN 131 Cable set, electronic expansion 104 Ribbon cable, 24-PIN valve (EEV) 105 Ribbon cable, 26-PIN 132 Cable harness, high pressure 109 Coding card 133 Cable harness, low pressure 110 Fuse holder 134 Connecting cable, electronic...
  • Page 199 Parts lists Parts lists type BW (cont.)
  • Page 200 Parts lists Parts lists type BW (cont.)
  • Page 201 Parts lists Parts lists type BW (cont.)
  • Page 202 Parts lists Parts lists type BW (cont.)

  • Page 203: Control Parameter Report

    Commissioning/service reports Hydraulic parameter reports Setting and test values Set value Commis- sioning Antifreeze concentration (brine med- °C ium) Testing the external heating circuit pumps Circulation pump type Circulation pump stage Overflow valve setting Commissioning, primary pump Temperature "Primary flow" °C Primary outlet temperature °C...
  • Page 204 Commissioning/service reports Control parameter report (cont.) Setting parameters Setting range Standard Commission- setting Temperature differen- 0 to 20 K tial heating Temperature differen- 1 to 20 K tial cooling Swimming pool Yes/No Cascade control (lead 0 to 2 appliance) Cascade control (lag 7000Ó0 to 11? 7000Ó11 appliance)
  • Page 205 Commissioning/service reports Control parameter report (cont.) Setting parameters Setting range Standard Commission- setting Dual-mode tempera- -50 to 50 °C 10 °C ture External heat source Yes/No for DHW Cylinder temperature, 10 to 70 °C 10 °C Switching times, DHW 0 to 3 Min.
  • Page 206 Commissioning/service reports Control parameter report (cont.) Setting parameters Setting range Standard Commission- setting Set DHW temperature 10 to 70 °C 60 °C Temp. sensor 2 Yes/No Booster heater Yes/No DHW with electric Yes/No power Electric heating Instantaneous heating Yes/No water heater Electric heating Yes/No Max.
  • Page 207 Commissioning/service reports Control parameter report (cont.) Setting parameters Setting range Standard Commission- setting Room temperature 0 to 3 hook-up (heating cir- cuits) Max. flow temperature 10 to 70 °C 40 °C Cooling Cooling 0 to 3 Cooling circuit 1 to 4 Room temperature, 10 to 30 °C 20 °C...

  • Page 208: Specification

    Specification Specification Note The output in watt is the recom- mended connected load. The total output of all connected appliances must not exceed 1000 W. If the total output 1000 W, the individual rating of a component can be greater than specified. The stated current indicates the max.
  • Page 209 4(2) heat source 2X7.2 contact Central fault message 2X7.12 zero volt 4(2) 2X7.13 contact Total current max. 5(3) A Vitocal 300-G Output details heat pump type BW/BWC Heat pump mod- 300/ 300/ 300/ 300/ 300/ 110 300/112 Rated output 10,2...
  • Page 210 Specification Specification (cont.) Vitocal 300-G Power consump- tion Coefficient of Performance (COP) during heating operation Instantaneous stepped 3/6/9 heating water heater perfor- mance details (accessories) Output Max. heating 15,2 17,4 19,2 21,1 24,1 26,6 output Operating point B0/W35 with in-...
  • Page 211 Specification Specification (cont.) Vitocal 300-G Max. flow tem- °C perature Electrical va- lues Rated voltage 1/N/PE 230 V~/50 Hz (control unit/elec- tronics) Rated voltage 3/N/PE 400 V~/50 Hz (heat pump) Rated voltage 3/N/PE 400 V~/50 Hz (instantaneous heating water heater)
  • Page 212 Specification Specification (cont.) Vitocal 300-G Compressor Hermetically sealed scroll compressor Dimensions Total length Total width Total height 1065 1065 1065 1065 1065 1065 Weights Total weight Permissible op- erating pressure Brine circuit (pri- mary) Heating water cir- cuit (secondary) Connections Primary flow and G¼"...
  • Page 213 Appendix Order to commission the Vitocal 300-G Please send the following order, We would ask that a competent together with the enclosed system employee of yours be present during layout, by fax to your local Viessmann the commissioning. sales office.

  • Page 214: Certificates Declaration Of Conformity

    A The product characteristics determined as system values for the product Vitocal 300-G as part of EC type testing according to the Efficiency Direc- tive (see specification table), can be utilised to assess the energy consumption of heating and ventilation equipment to DIN V 4701-10 specified by the EnEV [Germany].

  • Page 215: Keyword Index

    Keyword index Keyword index Sensors Cables/leads ........Inserting cables/leads .
  • Page 216 Keyword index Keyword index (cont.) Declaration of Conformity Handling ........... DHW auxiliary function Heat pump output .
  • Page 217 Keyword index Keyword index (cont.) Maintenance Parts lists 191, 197 .......
  • Page 218 Keyword index Keyword index (cont.) safety chain (part 1) Temperature differential cooling ..... . . safety chain (part 2) Temperature differential heating .
  • Page 220 Applicability Applicable for heat pumps: Brine/water heat pump Vitocal 300-G, type BW, BWC, WW, WWC 400 V and single stage Type BW from serial no.: 7346 300 8 01000 ... 7346 301 8 01000 ... 7346 302 8 01000 ...

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