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

Viessmann Vitocal 300-G BW Installation And Service Instructions Manual

Compact heat pump with electric drive
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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.
5368 522 UAE
2/2009

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Summary of Contents for Viessmann Vitocal 300-G BW

  • 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. 5368 522 UAE 2/2009...

  • Page 2: Safety Instructions

    ■ all legal instructions regarding the pre- Repairing components that fulfil a vention of accidents, safety function can compromise ■ all legal instructions regarding envi- the safe operation of your heating ronmental protection, system. Replace faulty components only with original Viessmann spare parts.
  • 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 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..............17 Internal components type BWC/WWC..............19 Connections on the primary side type BW (brine/water)........
  • Page 5 Index Index System definition control settings System diagram....................131 Language selection....................131 Temperature differential heating................131 Temperature differential cooling................132 Swimming pool..................... 133 Cascade control (lead appliance)................. 133 Cascade control (lag appliance)................134 Output lag heat pump................... 134 External extension....................135 External operating mode changeover heating circuits.........
  • Page 6 Index Index DHW with electric heating..................150 Control settings, electric heater Instantaneous heating water heater..............151 Electric heating..................... 151 Max. stage electric booster heater............... 152 Stage for power-OFF.................... 152 Control settings, hydraulics Heat pump for drying buildings................153 Screed program....................153 Set flow temperature, external demand...............
  • Page 7 Index Index (cont.) Components Sensor resistance curves..................168 Appliance fuse protection..................168 Connection and wiring diagrams Overview of the PCBs and connection options............ 169 PCB 1: Message and safety components............169 PCB 2: Function components 230 V..............172 PCB 3: Sensors and KM BUS................177 Safety chain (explanations)..................

  • Page 8: General Information Regarding The Electrical Connection

    Preparing for installation General information regarding the electrical connection ■ 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. ■...

  • Page 9: Positioning

    Preparing for installation Positioning Installation room requirements ■ The installation room must be dry and Clearance A Heat pump posi- safe from the risk of frost. tioning ■ To prevent corrosion damage, provide (including addi- the brine-side heat pump installation tional accessories with thermal insulation in accordance adjacent on the...
  • Page 10 Preparing for installation Positioning (cont.) C Safety assembly (only for type Dimensions of the top panels and connections BWC/WWC) D Heating water flow E DHW cylinder flow F DHW cylinder return/heating water return A Primary return (brine) OUT B Primary flow (brine) IN...
  • Page 11 Preparing for installation Positioning (cont.) On-site connection requirements A Top entry area for sensor leads and cables for accessories and auxiliary functions. ■ Cable/lead length approx. 1 m plus wall clearance (see page 64).

  • Page 12: Overview Of Possible System Diagrams

    Preparing for installation Positioning (cont.) B Lower entry area on the appliance back for 1 to 3 power cables with cable grommets. ■ Length of the power cable ≥ 2.00 m, if it is routed together with the power-OFF signal cable as 5-core cable (see page 86).
  • 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 cylin- External heat 0 0 X source Cooling at HC Cooling at HC Options Cooling at HC separate cool-...

  • 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 complete- ness and functionality on site. Please observe the applicable regulations and direc- tives for design, installation and operation. Heating circuit Heat pumps require a minimum Systems with large water volumes, e.g.
  • Page 15 Preparing for installation Function description in connection with the… (cont.) Because of the increased water volume Protection of the heat pump in accord- of the heat source and the fact that it may ance with EN 12828 [or local regula- have a separate shut-off facility, an addi- tions].

  • Page 16: Dhw Heating

    Preparing for installation Function description in connection with the… (cont.) Active cooling (AC) function The AC-Box enables, together with a This operation prevails until AC opera- suitable brine/water heat pump active tion (active cooling with activated heat cooling (AC operation) and natural cool- pump) becomes necessary through an ing (NC operation).

  • Page 17: Internal Components Type Bw/Ww

    Preparing for installation Internal components type BW/WW X Y Z...
  • Page 18 Preparing for installation Internal components type BW/WW (cont.) H Condenser X Y Z I LPG temperature sensor J Safety high pressure switch K Instantaneous heating water heater (accessories) L Primary flow temperature sensor M Primary return temperature sensor N Primary pump (accessory) O Brine pressure switch (accessory) P Primary return (brine OUT) R Primary flow (brine IN)

  • Page 19: Internal Components Type Bwc/Wwc

    Preparing for installation Internal components type BWC/WWC X Y Z...

  • Page 20: Connections On The Primary Side Type Bw (Brine/Water)

    Preparing for installation Internal components type BWC/WWC (cont.) H Condenser X Y Z I LPG temperature sensor J Safety high pressure switch K Instantaneous heating water heater (accessories) L Primary flow temperature sensor M Primary return temperature sensor N Primary pump O Brine pressure switch (accessory) P Primary return (brine OUT) R Primary flow (brine IN)
  • Page 21 Preparing for installation Connections on the primary side type BW… (cont.) 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 connected, insert a jumper across terminals 1X3.8 and 1X3.9 prior to commission- ing) Frost protection monitor of the AC-Box (if an AC-Box is connected, con-...

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

    Preparing for installation Connections on the primary side type BWC (brine/water) 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 connected, insert a jumper across terminals 1X3.8 and 1X3.9 prior to commission- ing) Frost protection monitor of the AC-Box (if an AC-Box is connected, con-...

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

    Preparing for installation Connections on the primary side type BWC… (cont.) Electrical connection x3.9 230V; 0.5A DW 6 x3.8 230V; 0.5A x3.8 LP PCB (see page 61) Connections on the primary side type WW (water/water) A Flow direction...
  • Page 24 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 ■...
  • Page 25 Preparing for installation Connections on the primary side type WW… (cont.) Electrical connection x8.5 UP 2 x2.N UP 5 x3.3 230V; 0.5A x3.4 x3.9 230V; 0.5A x3.8 230V; 0.5A x3.8 LP PCB (see page 61)

  • Page 26: 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 ■...

  • Page 27: System Version 1 (Type Bw/Ww)

    Preparing for installation System on the primary side WWC (water/water) (cont.) Note For further information regarding the ter- minal markings and PCBs, see page 61. Electrical connection x8.5 x2.N UP 5 x3.3 230V; 0.5A x3.4 x3.9 230V; 0.5A x3.8 230V; 0.5A x3.8 LP PCB (see page 61) System version 1 (type BW/WW)
  • Page 28 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 29 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 (acces- sory) Compressor ■ Implement the compressor power supply with 5 x 2.5 mm ■ For information regarding the power connection, see page 86 ■...
  • Page 30 Preparing for installation System version 1 (type BW/WW) (cont.) Pos. Description Primary cooling circuit pump Secondary cooling circuit pump Contact humidistat...
  • Page 31 Preparing for installation System version 1 (type BW/WW) (cont.) Electrical connection x7.10 x2.N sÖ x8.7 x2.N x3.9 x3.8 x7.11 x1. ? x2.N x8.5 x2.N 400 V/50 Hz 3/N/PE B Control module for instantaneous LP PCB (see page 61) A Plug aCH connected to the cable heating water heater harness For detailed information regarding the power supply, see from page 61.
  • Page 32 Preparing for installation System version 1 (type BW/WW) (cont.) x2.4 x8.6 x2.3 230 V/50 Hz x2.N 1/N/PE x5 ? x1.25 x2.25 F0/Ni 500 x1.16 ATS qP x2.16 F6/Pt 500 x1.14 STS wQ x2.14 230 V/50 Hz 1/N/PE ≤ 400 V/50 Hz 3/PE LP PCB (see page 61) Setting parameters...

  • Page 33: 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. DHW Switching times, 701B System definition circulation pump) setting natural cooling (NC) in heating circuit A1 Remote control 2003 Heating circ.
  • Page 34 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 35 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 86 ■ 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 ;...
  • Page 36 Preparing for installation System version 2 (type BW/WW) (cont.) Pos. Description Overflow valve 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 37 Preparing for installation System version 2 (type BW/WW) (cont.) Electrical connection x8.9 Open x2.N x8.10 x8.10 Close sÖ x8.11 UP M2 x2.N 230 V/ UP rT 50 Hz x7.6 230 V/ aMY] 50 Hz x2.N x8.6 fÖ AC qQ aMY] x2.N x3.9 x1.
  • Page 38 Preparing for installation System version 2 (type BW/WW) (cont.) x8.7 x1. ? x2.N x8.5 x2.N x7.10 x2.N 400 V/50 Hz 3/N/PE x7.11 x2.N B Control module for instantaneous LP PCB (see page 61) A Plug aCH connected to the cable heating water heater harness...
  • Page 39 Preparing for installation System version 2 (type BW/WW) (cont.) x1.25 M2 tW x2.25 x1.6 RTS rQ Ni 500 x2.6 F14/Ni 500 x1.8 VTS rW x2.8 F13/Pt 500 x1.9 x2.9 F12/Ni 500 x1.10 VTS M2 x2.10 F4/Pt 500 x1.22 x2.22 F0/Ni 500 x1.16 x2.16 F6/Pt 500...

  • Page 40: 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 107). Parameter Setting Parameter group Basic settings System diagram 7000 System definition Wtimer DHW Circ.
  • Page 41 Preparing for installation System version 3 (type BW/WW) (cont.) Hydraulic diagram...
  • Page 42 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 86 ■...
  • Page 43 Preparing for installation System version 3 (type BW/WW) (cont.) Pos. Description Boiler water temperature sensor in the external heat source for connection to the heat pump 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)
  • Page 44 Preparing for installation System version 3 (type BW/WW) (cont.) Pos. Description Vitotrol 200 remote control for heating circuit A1, for connection of separate room temperature sensor, see Vitotrol installation instructions; observe DIP switch Overflow heating circuit A1 Heating circuit pump A1 (max. 100 W) Heating circuit with mixer (M3) Radiator heating circuit M3 Vitotrol 200 remote control for heating circuit M3;...
  • Page 45 Preparing for installation System version 3 (type BW/WW) (cont.) Electrical connection x8.9 Open x2.N x8.10 x8.10 Close sÖ x8.11 UP M2 x2.N x7.9 UP A1 x2.N x7.1 x3.1 x7.2 x2.N x7.10 x2.N x7.7 Open x2.N x7.8 Close LP PCB (see page 61) B Place jumper from X3.1 (LP1) to A On-site contactor relay X7.1 (LP2)
  • Page 46 Preparing for installation System version 3 (type BW/WW) (cont.) x7.11 ZP eW x2.N x8.5 x2.N sÖ x8.7 x2.N 400 V/50Hz 3/N/PE x8.13 x2.N B Control module for instantaneous LP PCB (see page 61) A Plug aCH connected to the cable heating water heater harness...
  • Page 47 Preparing for installation System version 3 (type BW/WW) (cont.) x8.12 x2.N x3.8 x1. ? x3.9 x2.4 x8.6 x2.3 x2.N 230 V/50 Hz x5 ? x1.25 x2.25 230 V/50 Hz fÖ 1/N/PE sÖ sÖ UP M3 Ni 500 VTS M3 LP PCB (see page 61)
  • Page 48 Preparing for installation System version 3 (type BW/WW) (cont.) 230 V/50 Hz fÖ 400 V/ 50 Hz gÖ Pt 500 Pt 500 STB rT 230 V/50 Hz 1/N/PE F13/Pt 500 x1.9 x2.9 F12/Ni 500 x1.10 VTS M2 x2.10 F4/Pt 500 x1.22 x2.22 F20/Pt 500...
  • Page 49 Preparing for installation System version 3 (type BW/WW) (cont.) F0/Ni 500 x1.16 x2.16 F6/Pt 500 x1.14 x2.14 230 V/50 Hz ≤ 400 V/50 Hz LP PCB (see page 61) Setting parameters Note ■ Illustration of the required minimum settings. ■ Code to be entered by "contractors": 5243 (see page 107). Parameter Setting Parameter group...

  • Page 50: 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 51 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 ■...

  • Page 52: 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 out- Switching times, 701B System definition put (e.g.
  • Page 53 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 ■...
  • Page 54 Preparing for installation DHW heating 2 (cont.) x7.11 ZP 3 x2.N x8.12 x2.N UP qP L1 L2 L3 N x8.13 x2.N x7.10 UP 8 x2.N Pt 500 x1.13 x2.13 Pt 500 x1.14 STS 4 x2.14 LP PCB (see page 61) Note Information regarding the control operation, see operating instructions.
  • Page 55 Preparing for installation DHW heating 2 (cont.) Parameter Setting Parameter group Switching times, auxiliary out- Switching times, 701B System definition setting DHW heating Switching times DHW Switching times, 6001 DHW setting Booster heater Yes/No 6014 DHW Temp. sensor 2 Yes/No 600E DHW...

  • Page 56: Installation Sequence Installation Preparations

    Installation sequence Installation preparations Position and level the heat pump as described on page 9.

  • Page 57: Opening The Heat Pump

    Installation sequence Opening the heat pump...
  • Page 58 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 casing panels. Never rip off the earth 4. Undo the earth conductor, lift the front conductors when removing the top panel and pull away forward.

  • Page 59: Overview Of Power Connections

    Installation sequence Overview of power connections The power terminals F, G and H are protected against accidental contact through a shield mounted in front. A PCB 3 (sensor PCB) D Entry area for electrical cables B Coding card slot except power supply cables E PCB 1 (cross connect circuit C PCB 2 (main PCB) board)
  • Page 60 Installation sequence Overview of power connections (cont.) F Control unit power supply M Instantaneous heating water heater (accessories) G Terminal block (internal) O Programming unit H Compressor power supply connec- P Heat pump module tion K Compressor control module L Control and power supply, instanta- neous heating water heater (acces- sory) Notes regarding electrical connec-...
  • Page 61 Installation sequence Overview of power connections (cont.) Installed positions of the PCBs X2 X3 X2 X1 T6.3A A PCB 3 (sensor PCB) D Entry area for cables B PCB 2 (main PCB) C PCB 1 (cross connect circuit board) with control unit fuse Note The terminal markings are preceded by figured 1 to 3.
  • Page 62 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 as PCB 1 (LP1) follows: X2. Terminal strip 2 Any neutral conductor terminal Example: Terminal 1X1.? PCB 1 (LP1) Example: Terminal 1X3.5...
  • Page 63 Installation sequence Overview of power connections (cont.) PCB 2 (main PCB LP2) 1 2 3 4 5 6 7 8 910111213 3 2 1 1 2 3 4 5 6 7 8 910111213 ~ Consecutive number 1 of the termi- nals The terminals of PCB 2 (operating com- Connection options on PCB 2 (LP2)

  • Page 64: Inserting Cables/Leads

    Installation sequence Overview of power connections (cont.) PCB 3 (sensor PCB LP3) The terminals of PCB 3 (sensors and KM Note BUS) are designated as follows: The consecutive numbers of the termi- nals are not the same as the sensor des- Example: Terminal 3X2.10 ignation.
  • Page 65 Installation sequence Inserting cables/leads (cont.) A Entry for LV cables < 42 V~ (e.g. KM D PCB 1 (cross connect circuit board BUS, sensors, remote control) with LP1) onward routing to PCB 3. E PCB 2 (main PCB LP2) B Cable entries for 230 V~ with F PCB 3 (sensor PCB LP3) onward routing to PCB 1 and 2.

  • Page 66: Positioning Of All Terminals

    Installation sequence Inserting cables/leads (cont.) 1. Route external cables to the rear top 3. Strip the insulation as close to the ter- edge of the appliance and through minal as possible. the cable trunking to the terminal ■ Length of the stripped part of mains area.
  • Page 67 Installation sequence Positioning of all terminals (cont.) Equipment Connection Comments Setting parameters (group) Cylinder primary 2X8.12 max. 130 W pump (only with cyl- 1X1.? 7000 System diagram with DHW inder loading sys- 1X2.N tem, DHW side) Heating circuit 2X7.9 100 W pump, direct heating 1X1.? 7000 System diagram with heating...
  • Page 68 Installation sequence Positioning of all terminals (cont.) Equipment Connection Comments Setting parameters (group) Circulation pump for 2X8.13 100 W, control only via on-site contac- cylinder reheating 1X2.N tor; no simultaneous operation with immersion heater EHE 7B00 Ext. heat source Ó Yes (ext. heat source) 7B0D Ext.
  • Page 69 Installation sequence Positioning of all terminals (cont.) Equipment Connection Comments Setting parameters (group) Vitosolic 2 3X1.25Ó1 aVG At terminals 145 of the Vitosolic 200, 3X2.25Ó2 aVG cores are interchangeable; see Vito- solic installation instructions 7016 Type Vitosolic Ó 2 (system configuration) Two-way shut-off 2X8.12 For DHW heating in a cylinder primary...
  • Page 70 Installation sequence Positioning of all terminals (cont.) NC-Box with integral mixer Equipment Connection Comments Setting parameters (group) NC-Box with mixer 2X8.6ÓX2.4 230 V control and additional KM BUS; 1X2.NÓX2.3 observe DIP switch 1X1.?ÓX5.? 7100 Cooling 3x1.25Ó1 aVG Ó 2 (cooling) 3x2.25Ó2 aVG 2003 Remote control (option) Ó...
  • Page 71 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 allo- 2X7.6Ó1 aMAE cation of cooling to the hydraulic circuit (heating circuit without separate cool- 1X2.NÓ2 aMAE ing circuit), control 230 V~ and addi- 1X1.?Ó? aMAE tional KM BUS;...
  • Page 72 Installation sequence Positioning of all terminals (cont.) Instantaneous heating water 1. Fit control module D above aperture heater (accessory) installation for the instantaneous heating water instructions. heater B with 2 screws on mounting plate A. Control module for the instantaneous heating water heater 2.

  • Page 73: 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 source heater EHE page 51 can be used for DHW heating; connec- tion on site 6014 Booster heater Ó...
  • Page 74 Installation sequence Positioning of all terminals (cont.) Equipment Connection Comments Setting parameters (group) Circulation pump for When using this pump, immersion cylinder heating (cyl- heater EHE cannot be used for DHW inder reheating) heating. 2X8.13 7B0D Ó Yes (ext. heat source) 1x3.1 2x7.1 2x7.2...
  • Page 75 Installation sequence Positioning of all terminals (cont.) Equipment Connection Comments Setting parameters (group) Frost protection 1X3.8 When using type BW in conjunction monitor and brine 1X3.9 with the AC-Box (accessory), the brine pressure limiter (see page 24 pressure limiter is connected in series and 37) with the frost protection monitor of the AC-Box (remove jumper)

  • Page 76: Connection Of Electrical Components

    Installation sequence Connection of electrical components Temperature limiter (maximum limit for underfloor heating sys- tems) Note Temperature limiter (maximum limiter for The temperature limiter must be connec- underfloor heating systems) ted in series with the circulation pump. Temperature limiter terminals Protection for the With heating Temperature limiter terminal...
  • Page 77 Installation sequence Connection of electrical components (cont.) Connection with temperature limiter to extension kit to heating circuit M3 sÖ sÖ A Plug sÖ for extension kit B Temperature limiter (maximum lim- iter for underfloor heating system, part no. 7151728, 7151729) C Heating circuit pump M3 "Ext.
  • Page 78 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 set Function "External See previous illus- Observe parameter 730C mixer open" tration and page 137 7014 Set external demand/mixer open...
  • Page 79 Installation sequence Connection of electrical components (cont.) Equipment Connection Comments Setting parameters (group) Mixer close See the previous Observe parameter 701A screen 7015 Set external blocking/mixer close 0 Ó 8 (system definition) Swimming pool water heating Applications with "External extension H1" can only be operated one at the time. Note ■...
  • Page 80 Installation sequence Connection of electrical components (cont.) L1 L2 L3 ? 3x1.25 gÖ 3x2.25 A Connection inside the heat pump E Circulation pump for swimming pool B KM BUS water heating (accessory) F Swimming pool thermostat (zero C External extension H1 volt N/O, accessory) D Three-way diverter valve "swim- ming pool"...
  • Page 81 Installation sequence Connection of electrical components (cont.) 1X3.7 For further information, see the following chapter: ■ Power connection from page 89. ■ Power connection, compressor, 1X3.6 page 92. A Terminals on PCB 1 Contact open: Block enabled B Zero volt N/C contact Contact closed: Block disabled Note...
  • Page 82 Installation sequence Connection of electrical components (cont.) Equipment Connection Comments Setting parameters (group) Cascade control See Fig. on The connection on the second, third (lead appliance) page 83. and fourth heat pump is made using the zero volt contact at the "Ext. demand" terminal.
  • Page 83 Installation sequence Connection of electrical components (cont.) 3x1.25 3x2.25 1x3.10 1x3.11 230V 2x7.13 fÖ 2x7.12 230V 2x7.13 2x7.12 230V sÖ 2x7.13 2x7.12 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...
  • Page 84 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 set cooling circuit 3x1.6 3x2.6 A Terminals on PCB 3...
  • Page 85 Installation sequence Connection of electrical components (cont.) 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. panel.

  • Page 86: Power Supply

    Installation sequence Power supply Danger Incorrectly executed electrical installations can lead to injury through the transmission of dan- gerous body currents and result in equipment damage. Carry out the power supply con- nection and all earthing meas- ures (i.e fault current circuit) in accordance with IEC 364, the requirements of your local power supply utility, VDE or local and...
  • Page 87 Installation sequence Power supply (cont.) ■ The power supply to the control unit In negotiations with your power supply utility, different feed tariffs for the main (3x 1.5 mm ) and the cable for the power circuits may be offered. power-OFF signal (for the control unit) The control unit/electronics feed must can be combined in a 5-core cable.
  • Page 88 Installation sequence Power supply (cont.) Location of connections and cable entries Lower entry area F for 1 to 3 power cables. Cable length approx. 1.50 m plus wall clearance. 1. Remove the front, top and side panel 3. Fit cable fittings (in the pack) to the (see page 57).
  • Page 89 Installation sequence Power supply (cont.) 5. Guide the power cables through 6. Bundle and secure the power cables cable retainer E to the following ter- with the cable ties supplied and make minals: the connections. A Control unit mains terminals B Compressor mains terminals D Control module for the instanta- neous heating water heater with...
  • Page 90 Installation sequence Power supply (cont.) 1x3.7 1x3.6 ≈ Shown excluding fuses and RCD. A Compressor E Backup fuse ripple control receiver B Instantaneous heating water heater F High tariff meter C Control unit and accessories G TNC system feed D Ripple control receiver (contact H Low tariff meter open: power-OFF enabled) Power supply with power-OFF (with on-site load disconnecting...
  • Page 91 Installation sequence Power supply (cont.) 1x3.7 1x3.6 ≈ Shown excluding fuses and RCD. A Control unit and accessories F High tariff meter B Instantaneous heating water heater G Ripple control receiver (contact C Compressor open: power-OFF enabled) H Low tariff meter D Control unit power supply K TNC system feed E Heating system main isolator...
  • Page 92 Installation sequence Power supply (cont.) Note Control unit power supply If the compressor and/or the instantane- ous heating water heater are operated at a lower tariff (power-OFF), provide an 1 / N / PE additional cable for the switching contact 230 V, 50 Hz "power-OFF"...
  • Page 93 Installation sequence Power supply (cont.) ■ No parameters need to be set when using low tariff with power-OFF. Dur- ing the power-OFF period, the com- pressor will be mechanically shut down. ■ Recommended cable: 5 x 2.5 mm Instantaneous heating water heater power supply 3 / N / PE 400 V, 50 Hz A 5-core power cable (recommended...

  • Page 94: Phase Monitor

    Installation sequence Power supply (cont.) Sealing the low tariff connection A part of the contact shield (mains terminal cover) is used for sealing (see page 88). Note 1. Separating the smaller cover panel C from the contact shield A The power supply utility can demand that the low tariff connection is sealed.
  • Page 95 Installation sequence Power supply (cont.) The following different mains supplies (if The phase monitor automatically re-ena- adjustable) are permissible in the deliv- bles the power supply if the values fall ered condition: back to within the specified tolerance range. Over/undervoltage 15 % Remove the cause if the relay has Phase asymmetry...

  • Page 96: Connection On The Primary Side (Brine)

    ■ To ensure the perfect operation of the ■ Fill the brine circuit with Viessmann brine circuit, route pipes so that air heat transfer medium. pockets cannot form and that com- plete venting is ensured.
  • Page 97 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 limiter. Note Design the heating circuit as single line heating circuit or with an overflow valve...

  • Page 98: 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..........99 • 2. Removing the transport brackets......... 99 •...

  • Page 99: 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 the result in the transfer of dangerous installation and the commission- body currents. ing of the appliance to prevent Never touch the terminals near equipment damage.
  • Page 100 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. Maintaining service reports Enter measurements taken during com- missioning described in the following in the reports from page 198 onwards.
  • Page 101 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Opening the heat pump...
  • Page 102 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Please note 1. Undo the screws on the front sec- If the compressor is at a steep tion. angle in the heat pump module, the introduction of lubricant into 2. Remove the front section. the refrigerant circuit will damage the equipment.
  • Page 103 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 4. Only for commissioning: 5. Check the primary circuit pressure. Check the connections for possible The pressure should be approx. leaks. Replace faulty or displaced 2 bar. seals. Filling and venting the heating water side 4.
  • Page 104 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 10. Set the operating mode selector to See operating instructions "9". Checking the diaphragm expansion vessel and the heating cir- cuit pressure Carry out this test on a cold system. Note 3.
  • Page 105 Ice must not form on the outside of the compressor, and the casing must not become hotter than 60 °C (other- wise consult the Technical Service department at Viessmann). Setting the control parameters 1. Activate the "Contractor level". For 3. Acknowledge all fault messages (see information regarding the "Contrac-...
  • Page 106 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) Function Explanation "Commissioning" Testing the control characteristics, manual con- trol over setting parameters and programming the controller. "Standard mode" Starting regular operation Calling up the commissioning assis- 2. Safety check tant Safety check Commissioning...
  • Page 107 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 3. Access rights 4. Programming Please note For further help and information, Incorrect operation at the con- see the separate menu tree. tractor level can result in damage to the appliance and the heating Setting parameters (matching the system.
  • Page 108 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 6. Signal inputs Check whether all sensor inputs have been connected as per the connection diagram (see from page 169). ■ All signal inputs must be set to OFF. Change to the next function with key "BACK".
  • Page 109 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) 1. The display shows system compo- 2. Pressing key "F" twice brings the nent that were entered under "Pro- commissioning to an end. gramming" (step 4 of the commis- sioning assistant). Individual compo- Operating instructions and the nents can be chosen via the selection following table...
  • Page 110 Commissioning, inspection, maintenance Further details regarding the individual steps (cont.) System components Control unit tasks "Ext. heat pump" (cas- Function check Regulate the external heat cade) pump(s) to a set return temper- ature to the heating circuit of 30°C . "Ext.

  • Page 111: Control Unit Diagnostics

    Troubleshooting Control unit diagnostics Overview of the programming unit ° ¯ § 51 °C 21 °C 22 °C 23 °C 24 °C 21 °C THU 27.03.08 11:55 TYPE VX.XX A Standard display G No function B Rotary selector H Display area for current operating "Reduced room temperature"...
  • Page 112 Troubleshooting Control unit diagnostics (cont.) 1. Fault (highest priority) ■ The display of warnings is subject to 2. Warning (medium priority) access rights. 3. Note (lowest priority) ■ Warnings are written to the "Fault messages" and "Message history" Fault lists. ■...

  • Page 113: Acknowledging Messages

    Troubleshooting Control unit diagnostics (cont.) ■ "OK" ■ "Information" ■ "BACK" ■ "Fault messages" Calling up the message history ■ This is where all faults ("U"), warnings ■ "Device settings" ("!") and notes ("i") are displayed with ■ "Access rights" their associated symbol.
  • Page 114 Troubleshooting Control unit diagnostics (cont.) Skip messages To make adjustments/scans at the con- Access trol unit: ■ Press "Standard display" E on page 111: Messages appear. Note ■ "BACK":All messages will be If an acknowledged fault is not removed, acknowledged simultaneously, the the message will be re-displayed the fol- message display will be hidden, the lowing day at 07:00 h.
  • Page 115 Troubleshooting Control unit diagnostics (cont.) Message (pri- 1. Cause Access right ority) 2. Measures Outside temp. 1. Outside temperature sensor shorted Customer sensor ("U") 2. Check the sensor and replace, if required Outside temp. 1. Outside temperature sensor lead bro- Customer sensor ("U") 2.
  • Page 116 Troubleshooting Control unit diagnostics (cont.) Message (pri- 1. Cause Access right ority) 2. Measures Flow temp. 1. Short circuit, flow temperature sensor, Customer sens HK2 ("U") heating circuit 2 (mixer circuit) 2. Check the sensor and replace, if required Flow temp. 1.
  • Page 117 Troubleshooting Control unit diagnostics (cont.) Message (pri- 1. Cause Access right ority) 2. Measures DHW sens. 1. Short circuit, DHW temperature sensor, Customer Bottom ("U") bottom 2. Check the sensor and replace, if required DHW solar 1. Short circuit, DHW temperature sensor Customer ("U") solar - Vitosolic...
  • Page 118 Troubleshooting Control unit diagnostics (cont.) Message (pri- 1. Cause Access right ority) 2. Measures Room tempera- 1. Short circuit, room temperature sensor, Customer ture sensor heating circuit 1 HK1 ("U") 2. Check the sensor and replace, if required (see Vitotrol installation instructions) Room tempera- 1.
  • Page 119 Troubleshooting Control unit diagnostics (cont.) Message (pri- 1. Cause Access right ority) 2. Measures Collector sen- 1. Short circuit, collector temperature sen- Customer sor ("U") sor solar - Vitosolic 2. Check the sensor and replace, if required (see Vitosolic installation instructions) Return temper- 1.
  • Page 120 Troubleshooting Control unit diagnostics (cont.) Message (pri- 1. Cause Access right ority) 2. Measures Heat pump 1. Safety high pressure, control high pres- Customer ("U") sure 10 times in sequence/≥24 h period, fault refrigerant circuit control, all primary/secondary temperature sensors faulty, low pressure response 10 times in sequence 2.
  • Page 121 Troubleshooting Control unit diagnostics (cont.) Message (pri- 1. Cause Access right ority) 2. Measures DHW sens. 1. DHW top/bottom interchanged. The Heating engi- interchanged control unit interchanges the sensors neer ("i") internally. 2. No measures required Cylinder pri- 1. Cylinder primary pump, circulation Customer mary pump pump for cylinder heating or two-way...
  • Page 122 Troubleshooting Control unit diagnostics (cont.) Message (pri- 1. Cause Access right ority) 2. Measures KM BUS mixer 1. Communication error KM BUS mixer Customer NC ("U") NC, internal fault extension set for one heating circuit with mixer 2. Check appliance connections and cod- KM BUS FB 1.
  • Page 123 Troubleshooting Control unit diagnostics (cont.) Message (pri- 1. Cause Access right ority) 2. Measures Primary source 1. The monitoring primary source input Customer ("U") has responded (brine pressure, flow meter) 2. Check safety equipment (frost protec- tion brine pressure, frost protection AC- Box) on terminals 3X3.9 and 3X3.8;...
  • Page 124 Troubleshooting Control unit diagnostics (cont.) Message (pri- 1. Cause Access right ority) 2. Measures Control high 1. Air in the heating circuit; secondary or Contractor pressure ("i") heating circuit pump blocked; con- denser contaminated; pressure sensor faulty 2. Vent heating circuit; check secondary and heating circuit pump;...
  • Page 125 Troubleshooting Control unit diagnostics (cont.) Characteristics and effects of system/control unit Mixer heating circuit M2 is closed. Mixer heating circuit M3 is closed. Cooling mode" natural cooling" without regulating the flow. Control via exter- nal humidity sensor and frost stat. Use of the lower cylinder temperature sensor.
  • Page 126 Troubleshooting Control unit diagnostics (cont.) Access 0000 0000 0000 ■ Main menu ■ Device settings ■ The last 4 digits designate the version ■ Contractor level of the hardware and software of the ■ Further menu items heat pump module. ■...
  • Page 127 Troubleshooting Control unit diagnostics (cont.) The info line in the display contains a left hand and right hand group of figures: 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 ■...
  • Page 128 Troubleshooting Control unit diagnostics (cont.) Energy statement Calling up values to create the energy statement of the heat pump and the solar heating system (if installed). It will be shown how much electrical energy has been used to operate the system and how much heating energy has been transferred into the heating system.

  • Page 129: 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 the 2. Check the flow rate of the heating cir- heating curves (see operating cuit(s) concerned.

  • Page 130: Menu Structure Overview – Main Menu

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

  • Page 131: System Diagram

    System definition control settings System diagram Parameter ■ "System definition" ■ 7000 ■ "System diagram" ■ l or m Select the system diagram during com- missioning. Standard setting This selection automatically enables and Setting range 0 to 11 monitors all components associated with the respective scheme.

  • Page 132: Temperature Differential Cooling

    System definition control settings Temperature differential heating (cont.) D Heating OFF E Heating ON 20 °C 18 °C Access 16 °C ■ "Device settings" ■ "Programming" ■ "System definition" ■ y to "Temp. diff. heating" ■ 5 or % A Set room temperature B Outside temperature Standard setting C Selected value "Temp.

  • Page 133: Swimming Pool

    System definition control settings Temperature differential cooling (cont.) C Selected value "Temp. diff. cool- ■ "System definition" ing" ■ y to "Temp. diff. cooling" D Adjusted outside temperature ■ 5 or % E Cooling function ON F Cooling function OFF Standard setting 4,0 K Setting range...

  • Page 134: Cascade Control (Lag Appliance)

    System definition control settings Cascade control (lead appliance) (cont.) Note Observe parameter 5735 (number of external heat pumps). Cascade control (lag appliance) Parameter Setting for the lag heat pumps in a cas- ■ 700A cade. ■ 7000 Access ■ "Device settings" Setting ■...

  • Page 135: External Extension

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

  • Page 136: 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 M2: Heating circuit with mixer...

  • Page 137: External Demand/Mixer Open

    System definition control settings External operating mode changeover duration (cont.) Access Settings explained: ■ "Device settings" No specified duration; change- ■ "Programming" over takes place as long as the ■ "System definition" changeover contact remains ■ y to"Op. mode change time" closed.

  • Page 138: External Blocking/Mixer Close

    System definition control settings External demand/mixer OPEN (cont.) No. Function of the following system components 4 M2/M3: Heating circuits with mixer – control mode Heat demand to the heat pump 5 M2: Heating circuit with mixer – moves into the OPEN position M3: Heating circuit with mixer - control mode Heat demand to the heat pump 6 M2: Heating circuit with mixer –...

  • Page 139: Type Vitosolic

    System definition control settings External Blocking/mixer CLOSE (cont.) No. Function to the associated setting 2 M2: Heating circuit with mixer – control mode M3: Heating circuit with mixer – moves into the CLOSE position No heat pump blocking 3 M2/M3: Heating circuits with mixer – move into the CLOSE position No heat pump blocking 4 M2/M3: Heating circuits with mixer –...

  • Page 140: Vitocom 100

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

  • Page 141: Additional Output With Switching Times (E.g. Dhw Circulation Pump)

    System definition control settings External blocking effect (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 Additional output with switching times (e.g. DHW circulation pump) Parameter Operating instructions...

  • Page 142: 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 ª or ■ 5030 Pressing standard settings key i to achieve a reset from the main menu returns the output value into the Entry of the output for the energy state- delivered condition (standard setting).

  • Page 143: Number Of External Heat Pumps

    Compressor control settings Number of external heat pumps Parameter Details of the number of heat pumps (lag ■ 5735 appliances) that are connected in addi- tion to the main heat pump (lead appli- ance). Access ■ "Device settings" ■ "Programming" Explanation: ■...

  • Page 144: 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 source has been confirmed with "YES". Details of an external heat source (ext. HS) integrated into the heating system. Access Standard setting ■...

  • Page 145: External Heat Source For Dhw

    Control settings, external heat source Dual-mode temperature (cont.) Access Standard setting 10 °C ■ "Device settings" Setting range -50 to 50 °C ■ "Programming" ■ "Ext. heat source" ■ y to "Dual-mode temp" ■ 1 or ! External heat source for DHW Parameter If the acknowledgement Yes is entered, ■...

  • Page 146: 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 below ■ 6005 the min. temperature, the DHW cylinder is heat up to that value plus hysteresis. This is independent of the selected oper- The minimum temperature prevents the ating program.

  • Page 147: 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 60 °C, ■ y to"Max. temp." install a mixing device, e.g. an ■...

  • Page 148: Start Optimisation Dhw

    DHW control settings Hysteresis/Hysteresis booster heater (cont.) Note The value selected for "Hysteresis" should be higher than the expected tem- perature drop due to heat losses in a sin- gle night (approx. 5 K). A lower value for "Hyst. booster heater"...

  • Page 149: Dhw Auxiliary Function

    DHW control settings DHW auxiliary function Parameter Operating instructions ■ 600B Set DHW temperature 2 Parameter Operating instructions ■ 600C Temp. sensor 2 Parameter ■ 600E Access ■ "Device settings" A second temperature sensor offers an ■ "Programming" improved utilisation of the DHW cylinder. ■...

  • Page 150: Dhw With Electric Heating

    DHW control settings Booster heater (cont.) Access Standard setting ■ "Device settings" Setting range Yes/No ■ "Programming" ■ "DHW" ■ y to"Booster heater" ■ "YES" or "NO" DHW with electric heating Parameter DHW with electric booster heater. ■ 6015 Operating instructions...

  • Page 151: Instantaneous Heating Water Heater

    Control settings, electric heater Instantaneous heating water heater Parameter Operating instructions ■ 7900 Setting an electric booster heater (accessory) fitted into the heating flow. Otherwise it cannot be controlled by the control unit. Please note If this parameter is used to block the electric heater, then the instantaneous heating water heater cannot protect the system...

  • Page 152: Max. Stage Electric Booster Heater

    Control settings, electric heater Max. stage electric booster heater Parameter The available output is subject to the way ■ 7907 the instantaneous heating water heater is connected. This setting determines, with what max. output (stage 1, 2 or 3) DHW and heating water will be boosted.

  • Page 153: Heat Pump For Drying Buildings

    Control settings, hydraulics Heat pump for drying buildings Parameter This function must be set to "NO" if the ■ 7300 heat pump is not ready for operation because the heat pump primary circuit is not ready when building drying takes This setting determines whether the heat place.
  • Page 154 Control settings, hydraulics Screed program (cont.) Note Temperature/time profile 3 (to The power consumption increases when ÖNORM) 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 Temperature/time profile 2 (to ZV par-...

  • Page 155: Set Flow Temperature, External Demand

    Control settings, hydraulics Screed program (cont.) Temperature/time profile 6 10 15 20 25 30 A Flow temperature B Days Within the temperature/time profiles 7 to 12, the system regulates to the program- med value (max. flow temperature) for a Access period of between 5 and 30 days (see ■...
  • Page 156 Control settings, hydraulics Set flow temperature, external demand (cont.) Access Standard setting 50 °C ■ "Device settings" Setting range 0 to 70 °C ■ "Programming" ■ "Internal hydraulics" ■ y to "Set flow ex. demand" ■ 1 or !

  • Page 157: 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 10, In system scheme 2, if a heating water the buffer cylinder will be defined auto- buffer cylinder is part of the system, that matically as a system component.

  • Page 158: Hysteresis

    Control settings, heating water buffer cylinder Fixed temperature (cont.) Access Standard setting 50 °C ■ "Device settings" Setting range 10 to 70 °C ■ "Programming" ■ "Buffer cylinder" ■ y to "Fixed temp." ■ 1 or ! Hysteresis Parameter This setting determines, at what devia- ■...

  • Page 159: 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 Standard setting 60 °C...

  • Page 160: Control Settings, Heating Circuits Standard Room Temperature

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

  • Page 161: Heating Curve Level

    Control settings, heating circuits Activating the remote control (cont.) ■ "YES" or "NO" Vitotrol 200 installation instruc- ■ As for heating circuit 2 and heating cir- tions cuit 3 Standard setting Setting range Yes/No Heating curve level Parameter Separate setting of switching times for all ■...

  • Page 162: Room Temperature Hook-Up (Heating Circuit)

    Control settings, heating circuits Room hook-up slope (cont.) ■ l or m Access ■ "Device settings" ■ As for heating circuit 2 and heating cir- ■ "Programming" cuit 3 ■ "Heating circ. 1" ■ y until "Room t hook-up slope" is Standard setting highlighted Setting range...

  • Page 163: Maximum Flow Temperature

    Control settings, heating circuits Maximum flow temperature Parameter Note ■ 200E - HK A1 This parameter is unsuitable for limiting ■ 300E - HK M2 the actual flow temperature (e.g. to pro- ■ 400E - HK M3 tect underfloor heating circuits). Limiting the set heating circuit flow tem- perature to a maximum value.

  • Page 164: Cooling Control Settings Cooling

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

  • Page 165: Min. Flow Temperature

    Cooling control settings Min. flow temperature Parameter Limiting the flow temperature of the sep- ■ 7103 arate cooling circuit to a minimum value. Access Standard setting 10 °C ■ "Device settings" Setting range 1 to 30 °C ■ "Programming" ■ "Cooling" ■...
  • Page 166 Cooling control settings Cooling curve level/slope (cont.) A specific outside temperature can be ■ The "Cooling curve slope" parame- assigned to a certain cooling circuit flow ter assigns a lower flow temperature to temperature using the "Cooling curve the same outside temperature if there level"...

  • Page 167: 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/disable"Auto. ■ 7C05 su./wi. change" ■ 7C06 ■...

  • Page 168: Sensor Resistance Curves

    Components Sensor resistance curves Temperature sensor Further sensors 140 180 Temperature heat transfer medium in ºC -40 -30 -20 -10 10 20 30 40 50 60 Temperature in °C Further sensors: Room temperature sensors: ■ Capturing element made of "Pt 500" ■...

  • Page 169: 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 diagrams. For PCB overview, see from page 59. PCB 1: Message and safety components F1 q-I q¢Q ON/OFF switch q¢E External demand, zero volt con- q¢W External blocking, zero volt con-...
  • Page 170 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: Appliance delivered condition, remove operational (delivered condition: jumper if making this connection, jumper fitted) outside the safety chain) q¢T Brine pressure limiter, frost stat...
  • Page 171 Connection and wiring diagrams PCB 1: Message and safety components (cont.) Function Explanation Connection Brine pressure limiter, frost If both limiters are installed wire in ser- 1X3.9 stat (fault message from ies: 1X3.8 AC-Box) ■ Closed = safety chain has continuity ■...

  • Page 172: Pcb 2: Function Components 230 V

    Connection and wiring diagrams PCB 2: Function components 230 V w¢Q Primary pumps/well pump control w¢R Instantaneous heating water heater control (stage 1) w¢W NC-Box control (cooling) w¢T Mixer motor, heating circuit M2 - w¢E Secondary pump OPEN...
  • Page 173 Connection and wiring diagrams PCB 2: Function components 230 V (cont.) w¢Z Mixer motor, heating circuit M2 - wYR Mixer motor, external heat source CLOSE - CLOSE w¢U Circulation pump, heating cir- wYT Circulation pump, direct heating cuit M2 circuit A1 (if heating water buffer w¢I Cylinder primary pump (in case of cylinder is installed) a primary system at the DHW cyl-...
  • Page 174 Connection and wiring diagrams PCB 2: Function components 230 V (cont.) Function Explanation Connection Control of the instantane- ■ Install control module (accessory) 2X7.5 ous heating water heater ■ P=10 W control (stage 2) Control of the AC-Box or the ■...
  • Page 175 Connection and wiring diagrams PCB 2: Function components 230 V (cont.) Function Explanation Connection Auxiliary output with switch- ■ Pmax.=150 W 2X7.11 ing times (e.g. DHW circu- ■ Observe the information regarding lation pump) the total current drawn (from the table)! ■...
  • Page 176 Connection and wiring diagrams PCB 2: Function components 230 V (cont.) Function Explanation Connection Secondary pump ■ In systems without heating water buf- 2X8.7 fer cylinder, the secondary pump is sufficient (see terminals 2X7.9 on page 174) ■ Pmax.=130 W ■...

  • Page 177: 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 mixer M2 e¢W Heating water buffer cylinder e¢U System flow (downstream of the e¢E Outside temperature sensor heating water buffer cylinder or e¢R DHW cylinder, top external heat source) e¢T DHW cylinder, bottom...
  • Page 178 Connection and wiring diagrams PCB 3: Sensors and KM BUS (cont.) e¢I Flow, cooling (heating circuit or eYP External heat source separate cooling circuit) e¢O Room temperature sensor, cooling circuit Connection markings Note ■ Terminal strip X1: ■ "Internal" sensors are partially (subject Terminals 3X1.1 to 3X1.27 to appliance version) connected ■...

  • Page 179: Safety Chain (Explanations)

    Connection and wiring diagrams PCB 3: Sensors and KM BUS (cont.) Sensor / KM BUS Type Connection Sensor, external heat source Pt 500 3X1.4 / 3X2.4 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 safety Three phase monitor...

  • Page 180: 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 59) A Power supply B Connection, control circuit (part 1), see page 182 C External demand D Fault message, lag heat source E Flow switch F External blocking G Power-OFF...

  • Page 181: 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 59) Connection, safety chain (part 1), see page 180 Brine pressure limiter, poss. frost stat, frost protection AC- Box (for commissioning, insert jumper from the pack supplied)

  • Page 182: 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 ≤ 1000 W, the individual rat- total output ing of a component can be greater than specified.

  • Page 183: Control Circuit (Part 2)

    Connection and wiring diagrams Control circuit (part 2) A Connection, control circuit (part 1), see page 182 B Compressor relay (control unit ena- ble) 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 184: Power Circuit - Compressor

    Connection and wiring diagrams Power circuit - compressor A Compressor power supply connec- tion B Three phase monitor (see also page 180) C Compressor contactor (see also page 181) D Protective motor relay (see also page 181) E Starter (not for 6 kW) F Compressor...

  • Page 185: Power Circuit - Instantaneous Heating Water Heater

    Connection and wiring diagrams Power circuit - instantaneous heating water heater A Instantaneous heating water heater power supply B Control module for instantaneous heating water heater C Stage 1 D Stage 2 E Instantaneous heating water heater (accessory) with high limit safety cut-out...

  • Page 186: Parts Lists Parts Lists Type Bwc

    Parts lists Parts lists type BWC When ordering spare parts: 033 Rubber cushion Quote the part and serial no. (see type 034 Compressor insulation plate) and the item no. of the required 036 Hose clip part (as per this parts list). 037 Retaining clip 038 Connector Obtain standard parts from your local...
  • Page 187 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 188 Parts lists Parts lists type BWC (cont.)
  • Page 189 Parts lists Parts lists type BWC (cont.)
  • Page 190 Parts lists Parts lists type BWC (cont.)
  • Page 191 Parts lists Parts lists type BWC (cont.)

  • Page 192: Parts Lists Type Bw

    Parts lists Parts lists type BW When ordering spare parts: 039 Connector Quote the part and serial no. (see type 040 Pipe clip plate) and the item no. of the required 044 Single stage profile hose part (as per this parts list). 045 Profile hose 047 Casing front, heat pump module Obtain standard parts from your local...
  • Page 193 Parts lists Parts lists type BW (cont.) 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 111 LV cable harness expansion valve (EEV) 112 Cable harness 230 V 135 Connecting cable, compressor 115 Auxiliary contact 137 Cable fittings...
  • Page 194 Parts lists Parts lists type BW (cont.)
  • Page 195 Parts lists Parts lists type BW (cont.)
  • Page 196 Parts lists Parts lists type BW (cont.)
  • Page 197 Parts lists Parts lists type BW (cont.)

  • Page 198: Hydraulic Parameter Reports

    Commissioning/service reports Hydraulic parameter reports Setting and test values Set value Commission- Antifreeze concentration (brine medium) °C –15 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 Temperature differential ΔT at:...

  • Page 199: Control Parameter Report

    Commissioning/service reports Control parameter report (cont.) Setting parameters Setting range Standard Commission- setting Language English Temperature differential 0 to 20 K heating Temperature differential 1 to 20 K cooling Swimming pool Yes/No Cascade control (lead 0 to 2 appliance) Cascade control (lag 7000Ó0 to 11? 7000Ó11 appliance)
  • Page 200 Commissioning/service reports Control parameter report (cont.) Setting parameters Setting range Standard Commission- setting External heat source External heat source Yes/No Priority Yes/No Dual-mode temperature -50 to 50 °C 10 °C External heat source for Yes/No Cylinder temperature, 10 to 70 °C 10 °C Switching times, DHW 0 to 3...
  • Page 201 Commissioning/service reports Control parameter report (cont.) Setting parameters Setting range Standard Commission- setting 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. stage, electric 1 to 3 booster heater Stage for power-OFF 0 to 3...
  • Page 202 Commissioning/service reports Control parameter report (cont.) Setting parameters Setting range Standard Commission- setting Slope, room tempera- 0 to 50 ture hook-up 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...

  • Page 203: Specification

    Specification Specification Note ■ The output in watt is the recommended connected load. ■ The total output of all connected appli- ances must not exceed 1000 W. If the ≤ 1000 W, the individual total output rating of a component can be greater than specified.
  • Page 204 Specification Specification (cont.) Components Connec- Connected Voltage [V] max. break- tion load [W] ing capacity Actuation of external heat 2X7.1 zero volt 4(2) 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...
  • Page 205 Specification Specification (cont.) Vitocal 300-G Coefficient of Per- formance ∊ (COP) during heating operation Instantaneous stepped 3/6/9 heating water heater perform- ance details (accessories) Output Max. heating out- 15,2 17,4 19,2 21,1 24,1 26,6 Operating point B0/W35 with instantaneous heating water heater (acces- sory) Brine (primary)
  • Page 206 Specification Specification (cont.) Vitocal 300-G Electrical values 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) Rated current 11,6 13,5 (compressor) Starting current (compressor) Starting current (compressor...
  • Page 207 Specification Specification (cont.) Vitocal 300-G ■ Total width ■ Total height 1065 1065 1065 1065 1065 1065 Weights ■ Total weight Permissible operating pres- sure Brine circuit (pri- mary) Heating water cir- cuit (secondary) Connections Primary flow and G¼" return (brine) Heating flow and return...

  • Page 208: Order To Commission The Vitocal 300-G

    □ Geothermal probes and interconnecting lines completed. Requested date: 1. Date: ......Time: ....... 2. Date: ......Time: ....... All work ordered from Viessmann will be charged to me/us in accordance with the current Viessmann pricelist. Place/Date: ............. Signature: ..........

  • Page 209: 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, BWC, WW, WWC incl. heat pump control unit complies with the following standards: DIN 7003...

  • Page 210: Keyword Index

    Keyword index Keyword index Cooling..........164 AC-Box..........164 Cooling circuit........164 Appliance fuse protection Cooling curve........165 ■ ............168 Cooling curve level......165 Applicability........216 Cooling curve slope......165 Cooling in the heating circuit....164 Cylinder temperature DHW....146 Booster heater.........149 Buffer cylinder........157 Declaration of Conformity....209 DHW auxiliary function.....149 Cables/leads DHW circulation pump.....141 ■...
  • Page 211 Keyword index Keyword index (cont.) Messages.........111, 112 Handling..........8 ■ Acknowledging......113 Heating circuit connection....96 ■ Display..........114 Heating curve level......161 ■ Skip..........114 Heating mode changeover Minimum flow temperature....165 ■ Heating circuits......135 Minimum temperature......146 Heating water buffer cylinder...157 Mixer CLOSE........138 Heat pump Mixer OPEN........137 ■...
  • Page 212 Keyword index Keyword index (cont.) Priority Specification........204 ■ External heat source.....144 Standard room temperature.....160 Programming unit......111 Start optimisation DHW....148 Stop optimisation DHW....148 Summertime changeover....167 Reduced room temperature.....160 Swimming pool......79, 133 Remote control.........160 Switching times, DHW.....146 Repair work........99 Switching times additional output..141 Reports..........198 Switching times HK......160 Required equipment..21, 29, 34, 42...
  • Page 216 7417 796 9 01000 ... 14 kW 7346 304 8 01000 ... 7417 797 9 01000 ... 17 kW 7346 305 8 01000 ... 7417 798 9 01000 ... Viessmann Werke GmbH&Co KG D-35107 Allendorf Telephone: +49 6452 70-0 Fax: +49 6452 70-2780 www.viessmann.com...

This manual is also suitable for:

Vitocal 300-g bwcVitocal 300-gwwVitocal 300-g wwc

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