Viessmann VITOCAL 300-G Installation And Service Instructions For Contractors
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Viessmann VITOCAL 300-G Installation And Service Instructions For Contractors

Heat pump with electric drive
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Installation and service instructions
for contractors
Vitocal 300-G
Type BWC 301.C06 to C16
Heat pump with electric drive, 400 V~
■
Brine/water heat pump: 1.7 to 15.9 kW
With conversion kit to water/water heat pump: 2.3 to 20.7 kW
■
VITOCAL 300-G
6153640 GB
6/2020
VIESMANN
Please keep safe.

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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 BWC 301.C06 to C16 Heat pump with electric drive, 400 V~ ■ Brine/water heat pump: 1.7 to 15.9 kW With conversion kit to water/water heat pump: 2.3 to 20.7 kW ■...

  • Page 2: Safety Instructions

    Safety instructions Safety instructions Please follow these safety instruc- tions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Please note This symbol warns against the risk of material losses and environmen- tal pollution.
  • Page 3 Safety instructions Safety instructions (cont.) Safety instructions for working on the system Working on the system Please note Electronic assemblies can be dam- Isolate the system from the power sup- ■ aged by electrostatic discharge. ply, e.g. by removing the separate fuse Prior to commencing work, touch or by means of a mains isolator, and earthed objects such as heating or...

  • Page 4: Repair Work

    Further measures before starting work Replace faulty components only on the refrigerant circuit with flammable with genuine Viessmann spare refrigerants (R32): parts. Remove all flammable materials and ■ Auxiliary components, spare and...
  • Page 5 Draining heat pump on the secondary side ........... 66 Checking the temperature sensors ............66 Viessmann NTC 10 k (blue marking) ..........67 Ω ■ Viessmann Pt500A (green marking) ........... 68 ■ NTC 10 k (no marking) ..............69 Ω ■...
  • Page 6 Index Index (cont.) Appliance is too noisy ................70 6. Commissioning/service Hydraulic parameters report ..............71 reports Control parameter report ............... 71 7. Specification Specification for brine/water heat pumps ..........82 Specification for water/water heat pumps ..........84 8. Appendix Commissioning order ................

  • Page 7: Disposal Of Packaging

    Information Disposal of packaging Please dispose of packaging waste in line with statu- tory regulations. Symbols The steps in connection with commissioning, inspec- Symbol Meaning tion and maintenance are found in the "Commission- Reference to other document containing ing, inspection and maintenance" section and identified further information as follows: Step in a diagram:...

  • Page 8: Product Information

    Product information Design Room heating The Vitocal 300-G is a heat pump with brine/water The heat pump can supply up to 3 heating circuits, heat pump module for room heating, room cooling and 1 heating circuit without mixer and 2 heating circuits DHW heating in mono mode or mono energetic sys- with mixer.
  • Page 9 Information Product information (cont.) Spare parts lists Information about spare parts can be found at www.viessmann.com/etapp or in the Viessmann spare part app.
  • Page 10 Preparing for installation Requirements concerning on-site connections 230 V~/ < 42 V 400 V~ A B C D E Fig. 1 Primary circuit flow (heat pump brine inlet), con- Secondary circuit flow (heating circuits), connec- nection Cu 28 x 1.5 mm tion Cu 28 x 1.5 mm Primary circuit return (heat pump brine outlet), Secondary circuit return (heating circuits DHW cyl-...

  • Page 11: Preparing For Installation

    Preparing for installation Siting and transport requirements (cont.) Installation room requirements Please note Minimum clearances Unfavourable ambient conditions can lead to malfunctions and appliance damage. The installation room must be dry and free from the risk of frost: Ensure ambient temperatures between 0 and ■...
  • Page 12 Installation sequence Siting the heat pump Removing the front panel Fig. 3...
  • Page 13 Installation sequence Siting the heat pump (cont.) Removing the heat pump module Fig. 4...
  • Page 14 Installation sequence Siting the heat pump (cont.) Fig. 5 Fig. 6...

  • Page 15: Siting The Heat Pump

    Installation sequence Siting the heat pump (cont.) Fig. 7 Transporting the heat pump module The heat pump module is removed. 2. At least 2 people are required to carry the heat pump module. 1. Insert the two arms of the transport aid at the front and rear of the heat pump module: See Fig.
  • Page 16 Installation sequence Siting the heat pump (cont.) Fitting the hydraulic connection set The pipes of the primary circuit/secondary circuit Note ■ connection set are located in the EPP box, which is We recommend fitting shut-off devices to the connec- positioned on top of the appliance on delivery. tion set on site.

  • Page 17: Hydraulic Connections

    Installation sequence Siting the heat pump (cont.) Levelling the heat pump 1. 4x Fig. 9 Hydraulic connections Connecting the primary circuit Please note 2. Ensure adequate thermal and anti-vibration insula- The heat transfer medium can cause corrosion tion where pipes penetrate walls. damage to on-site lines and components.

  • Page 18: Connecting The Secondary Circuit

    Installation sequence Hydraulic connections (cont.) 5. Fill the primary circuit with Viessmann heat transfer medium and vent. Note Ensure frost protection down to at least 15 °C. – Viessmann heat transfer medium is a ready-mixed ethylene glycol-based medium. It contains inhibi- tors for corrosion protection.
  • Page 19 Installation sequence Electrical connection (cont.) Danger Required cable lengths in the heat pump plus wall Incorrect wiring can lead to serious injury from clearance electrical current and result in appliance dam- age. Cable lengths Take the following measures to prevent drifting ■...
  • Page 20 Installation sequence Electrical connection (cont.) Opening the wiring chamber Fig. 10...
  • Page 21 Installation sequence Electrical connection (cont.) Fig. 11 Installing the programming unit Fig. 12...
  • Page 22 Installation sequence Electrical connection (cont.) [XÖ Fig. 13 Fig. 14...
  • Page 23 Installation sequence Electrical connection (cont.) Routing the cables to the wiring chamber < 42 V 230 V~ 400 V~ Fig. 15...
  • Page 24 Installation sequence Electrical connection (cont.) Connecting the Vitoconnect (accessories) < 42 V Fig. 16...

  • Page 25: Overview Of Electrical Connections

    Installation sequence Electrical connection (cont.) Overview of electrical connections 193D Fig. 17 Luster terminals (connections N and Mains terminals for heat pump control unit: See X1 Terminals for earth conductors of all associ- page 40. ated system components F1 Fuse 6.3 A (slow) X2 Terminals for neutral conductors of all associ- Expansion PCB on main PCB (230 V~ compo- ated system components...
  • Page 26 Installation sequence Electrical connection (cont.) Main PCB (function components 230 V~) Information regarding the connection values Set the required parameters during commissioning: The specified output is the recommended connected See page 51 onwards. ■ load. ■ Total output of all components connected directly to the heat pump control unit (e.g.
  • Page 27 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 211.2 Additional secondary pump to in- In systems without a buffer cylinder, no other heating ■ crease residual head circuit pump is required: See connection 212.2. Installation outside the heat pump Connect a temperature limiter in series to restrict the ■...
  • Page 28 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 212.3 DHW circulation pump Supply values Output: 50 W ■ Voltage: 230 V~ ■ Max. switching current: 4(2) A ■ 212.4 3-way diverter valve for heating water Supply values buffer cylinder bypass or heat pump Output: 130 W ■...
  • Page 29 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 216.1 External hook-up, heating/cooling cir- 230 V~ digital input: cuits: 230 V~: Central heating demand for heating circuit ■ Central heating demand, heating cir- A1/HC1 active cuit A1/HC1 0 V: No demand ■...
  • Page 30 Installation sequence Electrical connection (cont.) Plug Clamps Function Explanation 222.1 Control of mixer motor for external Connection values: heat generator Output: 10 W ■ Mixer CLOSE signal Voltage: 230 V~ ■ Max. switching current: 0.2(0.1) A ■ 222.2 Control of mixer motor for external Connection values: heat generator Output: 10 W...
  • Page 31 Installation sequence Electrical connection (cont.) High limit safety cut-out in conjunction with exter- Please note nal heat generator In the case of incorrect parameter setting, the high limit safety cut-out might not switch off the X3.1 secondary pump immediately after being trig- gered, but instead with a time delay.
  • Page 32 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 224.6 Connect cylinder loading pump and 2-way shut-off valve in parallel. Cylinder loading pump (DHW side) Supply values 2-way shut-off valve Output: 130 W ■ Voltage: 230 V~ ■ Max. switching current: 4(2) A ■...
  • Page 33 Installation sequence Electrical connection (cont.) Plug Terminals Function Explanation 225.1 Heating circuit pump of the heating Connect a temperature limiter in series to restrict the circuit with mixer M2/HC2 maximum temperature of underfloor heating circuit (if installed). Note In systems without heating water buffer cylinder the temperature limiter is connected to X3.2/X3.14 at the luster terminals: See chapter "Temperature limiter to re- strict the maximum temperature of underfloor heating...
  • Page 34 Installation sequence Electrical connection (cont.) Clamps Function Explanation X3.2 In systems without heating water Floating contact (N/O contact) required: ■ X3.14 buffer cylinder: Temperature limiter Closed: Blocking active ■ to restrict the maximum tempera- Open: No blocking ■ ture of underfloor heating circuit (if Breaking capacity 230 V~, 2 mA ■...
  • Page 35 Installation sequence Electrical connection (cont.) Clamps Function Explanation Note No parameters need to be set ■ No jumper should be installed if a power-OFF contact ■ is connected. The compressor is "forced" off as soon as the contact ■ opens. The power-OFF signal switches off the supply voltage ■...
  • Page 36 Installation sequence Electrical connection (cont.) Plug Sensor/component Type Outside temperature sensor NTC 10 k Ω Buffer temperature sensor NTC 10 k Ω Top cylinder temperature sensor NTC 10 k Ω (X25.5/X25.6) Cylinder temperature sensor, bottom NTC 10 k Ω (X25.7/X25.8) Flow temperature sensor, heating circuit with mixer M2/HC2 NTC 10 k Ω...
  • Page 37 Installation sequence Electrical connection (cont.) Connecting a temperature limiter to restrict the maximum temperature of underfloor heating cir- cuit System without heating water buffer cylinder: Connection to X3.2/X3.14 If the temperature limiter installed to restrict the maxi- Converting temperature limiter part no. 7151728, mum temperature of the underfloor heating circuit 7151729 into a N/O contact responds, the heat pump and the secondary pump are...
  • Page 38 Installation sequence Electrical connection (cont.) Fig. 24 Colour coding to IEC 60757: Assembling the temperature limiter: Steps 1 to 3 in Brown reverse order Black GNYE Green/yellow System with heating water buffer cylinder If the temperature limiter installed to restrict the maxi- Please note mum temperature of underfloor heating circuit If the temperature limiter installed to restrict the...

  • Page 39: Swimming Pool Heating

    Installation sequence Electrical connection (cont.) Connecting the temperature limiter, part no. General connection of a temperature limiter 7151728, 7151729 to the mixer extension kit X2.N sÖ sÖ Fig. 25 Fig. 27 Connection 212.2 on main PCB Connection 225.1 on expansion PCB Plug sÖ...

  • Page 40: Power Supply

    Installation sequence Electrical connection (cont.) [{{] 0-10V L1 N Fig. 28 EA1 extension Circulation pump for swimming pool heating Power supply 1/N/PE 230 V/50 Hz (accessories) Junction box (on site) Temperature controller for swimming pool temper- ature control (floating contact: 230 V~, 0.1 A, Fuses and contactor for circulation pump for swim- ming pool heating (accessories) accessories)
  • Page 41 Installation sequence Power supply (cont.) In negotiations with your power supply utility, differ- When using power generated on site (use of power ■ ■ ent supply tariffs for the main power circuits may be generated by the PV system to meet own require- offered.
  • Page 42 Installation sequence Power supply (cont.) Instantaneous heating water heater power supply 400 V~ Please note Economy tariff and power-OFF can be used ■ Operating the instantaneous heating water No parameters need to be set when using economy ■ heater without heating water damages the indi- tariff with power-OFF.
  • Page 43 Installation sequence Power supply (cont.) Power supply with power-OFF: With on-site load disconnect The power-OFF signal is connected to the on-site con- X3.7 tactor of the economy tariff power supply and to the X3.6 heat pump control unit. The compressor and instanta- neous heating water heater are "forced"...
  • Page 44 Installation sequence Power supply (cont.) Mains power supply in conjunction with on-site power consumption Without power-OFF E1E2 D /D L1 L1 L2 L2 L3 L3 Fig. 34 Heat pump Bi-directional meter (for PV systems to consume Additional consumers (of power generated on site) power on site): in the household Energy taken from power supply utility and energy...
  • Page 45 Installation sequence Power supply (cont.) Connection to EA1 extension Condition: "Enable Smart Grid 7E80" must be at "1". [{{] 0-10V Fig. 35 EA1 extension Floating N/O contact 2: The agreement of the Connection to controller and sensor PCB power supply utility may be required Floating N/O contact 1: The agreement of the Power supply 1/N/PE 230 V/50 Hz power supply utility may be required...

  • Page 46: Closing The Heat Pump

    Installation sequence Make connections at terminals X3.8/X3.9 After connecting the power supply, one of the follow- ing components must be connected at terminals X3.8 and X3.9: ■ Primary circuit pressure switch and/or frost stat jumper supplied ■ Closing the heat pump Please note Danger Leaking hydraulic connections lead to appliance...
  • Page 47 Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • • 1. Opening the heat pump..................... 48 • 2. Writing reports........................48 • • • 3. Checking the refrigerant circuit for leaks................ 48 •...

  • Page 48: Writing Reports

    Commissioning, inspection, maintenance Opening the heat pump Danger Please note Contact with 'live' components can lead to seri- Refrigerant can escape when working on the ous injury from electric current. refrigerant circuit. ■ Never touch the wiring chambers (heat pump Work on the refrigerant circuit must only be car- control unit and power supplies: See chapter ried out by a certified contractor (in accordance...

  • Page 49: Commissioning, Inspection, Maintenance

    Temperature differential between primary circuit flow and return: 3 K to 5 K. 1. Check the pre-charge pressure of the expansion vessel. 2. Charge the primary circuit with Viessmann heat transfer medium and vent. Note Ensure frost protection down to at least 15 °C.

  • Page 50: Checking The Expansion Vessel And Heating Circuit Pressure

    Commissioning, inspection, maintenance Filling and venting the secondary side Unsuitable fill and top-up water increases the level of 1. Open any non-return valves installed on site. deposits and corrosion. This can lead to system dam- age. 2. Check the pre-charge pressure of the expansion Hard water can also cause damage to the instantane- vessel.

  • Page 51: Commissioning The System

    Commissioning, inspection, maintenance Checking the electrical connections for firm seating Danger Contact with live components can lead to seri- ous injury from electric current. Some compo- nents on PCBs remain live even after the power supply has been switched off. Never touch the wiring chambers (for heat ■...
  • Page 52 Commissioning, inspection, maintenance Commissioning the system (cont.) Switch ON the ON/OFF switch on the control unit. ■ The prompt "Start commissioning?" appears auto- matically on commissioning. Note The commissioning assistant can also be started manually: To do this, press and hold when switching on the control unit (progress bar visible).
  • Page 53 Commissioning, inspection, maintenance Commissioning the system (cont.) Select language Date/time Time Date setting setting setting Commissioning start? Check Secondary circuit "Secondary circuit filled" filled? Instantaneous heating Instantaneous heating water heater enable water heater blocked Code Parameter group Parameter level 1 select setting Temperature...
  • Page 54 Commissioning, inspection, maintenance Commissioning the system (cont.) Setting parameters using "System scheme 7000" Alternatively, if the service menu was already active: as an example Extended menu: To set a parameter, first select the parameter group and then the parameter. å Service menu: 2.
  • Page 55 Energy meter — Ventilation unit — X Component is selected. For detailed information on system examples: See Component may be added. www.viessmann-schemes.com. Parameters for circulation pumps and other components Heating circuit pump Parameter Setting "System definition" Ó "System scheme 7000"...
  • Page 56 Commissioning, inspection, maintenance Commissioning the system (cont.) External extension Parameter Setting "System definition" Ó "External extension 7010" "1" EA1 extension "2" AM1 extension "3" EA1 and AM1 extensions Note For parameters for external functions, see the following table. Parameters for external functions External demand Parameter Setting...
  • Page 57 Commissioning, inspection, maintenance Commissioning the system (cont.) External hook-up for heating/cooling circuits Parameter Setting "Heating circuit 1"/"Heating circuit 2"/"Heating circuit 3" Ó "Remote control 2003" "2" "Remote control 3003" "Remote control 4003" Cooling function parameters Parameter Setting "Cooling" Ó "Cooling function 7100" "0"...
  • Page 58 Commissioning, inspection, maintenance Commissioning the system (cont.) Please note After the value "1" has been set for "Enable instantaneous heating water heater 7900", the prompt "Secondary circuit filled?" auto- matically appears. If this prompt is responded to with "No", the instantaneous heating water heater will not be enabled.
  • Page 59 Commissioning, inspection, maintenance Commissioning the system (cont.) Possibly set additional parameters. Parameter Setting "System definition" Ó ≙ "Start hysteresis solar air absorber 7031" "0" to "500" ( 0 to 50 K) "Min. runtime to suppress summer mode 7035" "0" to "1440" min "Last calendar week for summer mode 7036"...
  • Page 60 Commissioning, inspection, maintenance Commissioning the system (cont.) Adjust values for Vitovent 200-W/300-C/300-W if necessary Parameter Setting "Ventilation" Ó "Set room temperature C108" Max. 4 K higher or lower than "Stand- ard room temperature 2000" (adjust- ≙ ment value: 1 0.1 °C) "Background ventilation C109"...
  • Page 61 Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for utilisation of power generated on site Parameter Setting "Photovoltaics" Ó "Enable own energy consumption PV 7E00" "1" ≙ "Threshold for electrical power 7E04" "0" to "300" ( 0 to 30 kW) Enable required functions for utilisation of power generated on site Parameter Setting...
  • Page 62 Commissioning, inspection, maintenance Checking the system function Displaying the system overview The system overview displays the status of the heat "Vitotronic 200" service instructions pump and system components as well as the tempera- tures. Note Service menu: The "System overview generator" also displays the output of the primary and secondary pump.

  • Page 63: Checking The Heat Pump For Noise

    Commissioning, inspection, maintenance Closing the heat pump Please note Danger Leaking hydraulic connections lead to appliance The absence of system component earthing can damage. lead to serious injury from electrical current and ■ Check for leaks in the internal and on-site component damage in the event of an electrical hydraulic connections.

  • Page 64: Overview Of Electrical Components

    Maintenance Opening the casing door Open the casing door: See chapter "Removing the heat pump module" on page 13. Overview of electrical components Fig. 42 Inverter Mains terminals for instantaneous heating water EEV PCB (refrigerant circuit controller) heater (left) and compressor (right) Main PCB (MB 761) Heat pump control unit power supply Controller and sensor PCB (CU 401)

  • Page 65: Overview Of Internal Components

    Maintenance Overview of internal components Fig. 43 Oil separator Primary circuit air vent valves Safety high pressure switch Secondary circuit air vent valve, condenser High pressure sensor Condenser Low pressure sensor 3-way diverter valve "central heating/DHW heat- Low pressure Schrader valve ing"...

  • Page 66: Checking The Temperature Sensors

    For PCB locations in the heat pump: See page 64. For sensor locations in the heat pump: See page 65. Sensor Test element Connection Outside temperature sensor (F0) Viessmann NTC 10 k Controller and sensor PCB Ω ■ Buffer temperature sensor (F4) (blue marking) ■...
  • Page 67 Maintenance Checking the temperature sensors (cont.) Viessmann NTC 10 k (blue marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k ϑ...
  • Page 68 Maintenance Checking the temperature sensors (cont.) Viessmann Pt500A (green marking) / °C / °C R / / °C R / / °C R / / °C R / / °C R / ϑ Ω ϑ Ω ϑ Ω ϑ Ω...

  • Page 69: Checking The Fuses

    Maintenance Checking the temperature sensors (cont.) NTC 10 k (no marking) Ω / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k / °C R / k ϑ...
  • Page 70 Maintenance Checking the fuses (cont.) 2. Opening the wiring chamber. Danger Removing the fuse does not switch the power 3. Check fuses. Replace if necessary. circuit to zero volt. Contact with 'live' compo- nents can lead to serious injury from electric cur- Danger rent.

  • Page 71: Hydraulic Parameters Report

    Commissioning/service reports Hydraulic parameters report Setting and test values Setpoint Commissioning Maintenance/ Service Frost protection (brine medium) °C min. – Testing the external heating circuit pumps Circulation pump type Circulation pump stage Overflow valve setting Commissioning, primary circuit Primary circuit flow temperature °C ("Diagnosis"...
  • Page 72 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Use of heat pump in cascade 700C Runtime balance cascade 700D Do not adjust! External extension 7010 System components for external change- 7011 over Operating status for external changeover 7012 Duration of external changeover 7013...
  • Page 73 Commissioning/service reports Control parameter report (cont.) External heat generator Parameter Code Delivered condition Commission- Maintenance/ service "Enable external heat source" 7B00 "Priority ext. heat source/instant. heating 7B01 water heater" ≙ "Dual mode temperature external heat 7B02 100 ( 10 °C) source"...
  • Page 74 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service ≙ Shutdown hysteresis inst. heating water 601E 10 ( 1 K) heater Cylinder primary pump enable 601F Operating mode cylinder primary pump 6020 Change in secondary pump speed during 6033 DHW heating Enable elec.
  • Page 75 Commissioning/service reports Control parameter report (cont.) Internal hydraulics Parameter Code Delivered condition Commission- Maintenance/ service Heat pump for drying a building 7300 Time program for screed drying 7303 ≙ Set flow temperature external demand 730C 500 ( 50 °C) ≙ Start threshold 730E 300 (...
  • Page 76 Commissioning/service reports Control parameter report (cont.) Heating circuit 1 Parameter Code Delivered condition Commission- Maintenance/ Service ≙ "Standard room temperature" 2000 200 ( 20 °C) ≙ "Reduced room temperature" 2001 160 ( 16 °C) "Remote control" 2003 Room temperature control 2005 ≙...
  • Page 77 Commissioning/service reports Control parameter report (cont.) Cooling Parameter Code Delivered condition Commission- Maintenance/ service Cooling function 7100 Cooling circuit 7101 ≙ Set room temperature separate cooling cir- 7102 200 ( 20 °C) cuit ≙ Min. flow temperature cooling 7103 200 ( 20 °C) Influence room temperature hook-up cooling 7104...
  • Page 78 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service ≙ Control voltage matching 7D27 0 V) Fan for control voltage matching 7D28 Strategy, passive frost protection 7D2C Type of heat exchanger 7D2E Installation position 7D2F Function, external 230 V input, ventilation 7D3A Duration, bathroom vent.
  • Page 79 Commissioning/service reports Control parameter report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Intensive ventilation C10C Vitovent 200-W: ■ 75 % Vitovent 300-C: ■ 125 m Vitovent 300-W: ■ 225 m Background ventilation, second fan duct C189 15 % Reduced ventilation, second fan duct C18A 25 % Standard ventilation, second fan duct...
  • Page 80 Commissioning/service reports Control parameter report (cont.) Photovoltaics Parameter Code Delivered condition Commission- Maintenance/ service Enable own energy consumption PV 7E00 ≙ Prop. of external current 7E02 0 %) Threshold for electrical power 7E04 Type BWC ■ 331.C06: ≙ 19 ( 1.9 W) Type BWC ■...
  • Page 81 Commissioning/service reports Control parameter report (cont.) Communication Parameter Code Delivered condition Commission- Maintenance/ service Enable LON communication module 7710 LON subscriber number 7777 LON fault manager 7779 LON system number 7798 Interval for data transfer via LON 779C 20 min Source outside temperature 77FC Send outside temperature...
  • Page 82 Specification Specification for brine/water heat pumps Type BWC 301.C06 301.C12 301.C16 Performance data to EN 14511 (B0/W35, 5 K spread) Rated heating output 4.28 5.31 7.44 Cooling capacity 3.45 4.35 5.84 Power consumption 0.91 1.10 1.50 Coefficient of performance (COP) 4.70 4.80 4.95...

  • Page 83: Specification

    Specification Specification for brine/water heat pumps (cont.) Type BWC 301.C06 301.C12 301.C16 Power consumption Primary pump (high efficiency circulation pump) 5.7 to 87 5.7 to 87 5.7 to 87 Energy efficiency index EEI 0.21 0.21 0.21 ≤ ≤ ≤ ■ Secondary pump (high efficiency circulation 4 to 60 4 to 60...
  • Page 84 Specification Specification for brine/water heat pumps (cont.) Type BWC 301.C06 301.C12 301.C16 Connections Primary circuit flow/return Cu 28x1.5 Cu 28x1.5 Cu 28x1.5 Secondary circuit flow (heating circuits) Cu 28x1.5 Cu 28x1.5 Cu 28x1.5 Secondary circuit flow (DHW cylinder) Cu 28x1.5 Cu 28x1.5 Cu 28x1.5 Secondary circuit return (heating circuits and...
  • Page 85 Specification Specification for water/water heat pumps (cont.) Type BWC in conjunction with "conversion kit for water/ 301.C06 301.C12 301.C16 water heat pump" Brine (primary intermediate circuit) Capacity Minimum flow rate 1220 1520 1800 Residual head at minimum flow rate mbar 75.0 66.0 59.0...
  • Page 86 Components for ventilation fully installed (optional) Components for PV system fully installed (optional) Preferred appointment: Date Time Date Time The work that is requested to be carried out by Viessmann will be billed in accordance with the latest Viessmann pricelist. Place / Date Signature...

  • Page 87: Declaration Of Conformity

    Declaration of Conformity Declaration of conformity We, Viessmann Werke GmbH & Co. KG, D-35107 Using the serial number, the full Declaration of Con- Allendorf, declare as sole responsible body that the formity can be found on the following website: named product complies with the European directives www.viessmann.co.uk/eu-conformity...
  • Page 88 Keyword index Keyword index Control unit Air vent valve – Controller and sensor PCB........35 – Condenser...............65 – Expansion PCB............29 – Secondary circuit.............65 – Main PCB..............26 Air vent valves Cooling............... 26 – Primary circuit............65 Cooling circuit.............18 Ambient temperatures..........11 Cooling function...........
  • Page 89 Keyword index Keyword index (cont.) Flow – DHW cylinder............ 10, 16 KM-BUS distributor............ 36 – Primary circuit........... 10, 16 – Secondary circuit..........10, 16 Flow temperature sensor Leak test...............46, 63 – Cooling circuit............36, 66 Liquid gas temperature sensor......65, 66 – Heating circuit............66 Low pressure sensor..........65 –...
  • Page 90 Keyword index Keyword index (cont.) Pt500A............... 66 Parameter group selection......... 54 Pumps..............26, 65 Parameters – Circulation pump for DHW reheating...... 55 – Cooling function............57 RCD..............42, 43 – DHW circulation pump..........55 Recommended power cable........19 – Electric booster heater..........57 Refrigerant circuit............
  • Page 91 Keyword index Keyword index (cont.) Sound power.............. 84 TNC system............42, 43 Sound power level............84 Top-up water.............. 50 Specification Total weight............11, 83 – Brine/water heat pumps.......... 82 Transport..............10 – Water/water heat pumps......... 84 Transport bracket............70 Strain relief fittings............64 Structure-borne noise transmission......11 Suction gas temperature sensor......
  • Page 92 Viessmann Werke GmbH & Co. KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com Fax: +44 1952 675040 E-mail: info-uk@viessmann.com...

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