Viessmann Vitocal 300-A Series Installation And Service Instructions For Contractors
  1. Manuals
  2. Brands
  3. Viessmann Manuals
  4. Heat Pump
  5. VITOCAL 300-A
  6. Installation and service instructions for contractors
Viessmann Vitocal 300-A Series Installation And Service Instructions For Contractors

Viessmann Vitocal 300-A Series Installation And Service Instructions For Contractors

Air/water heat pump with electric drive, 400 v
Hide thumbs Also See for Vitocal 300-A Series:
Table of Contents

Advertisement

Quick Links

Download this manual
VIESMANN
Installation and service instructions
for contractors
Vitocal 300-A
Type AWO-AC 301.B07 to B14
Air/water heat pump with electric drive, 400 V~
VITOCAL 300-A
Please keep safe.
5830928 GB
3/2018

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Vitocal 300-A Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Viessmann Vitocal 300-A Series

Summary of Contents for Viessmann Vitocal 300-A Series

  • Page 1 VIESMANN Installation and service instructions for contractors Vitocal 300-A Type AWO-AC 301.B07 to B14 Air/water heat pump with electric drive, 400 V~ VITOCAL 300-A Please keep safe. 5830928 GB 3/2018...
  • Page 2 Prior to removing covers from the appliances, Replace faulty components only with genuine wait at least 4 minutes until the voltage has Viessmann spare parts. completely dropped out. Safeguard the system against reconnection. ■ Wear suitable personal protective equipment when ■...
  • Page 3 Installing non-authorised components and making non-approved modifications or con- versions can compromise safety and may inva- lidate our warranty. For replacements, use only original spare parts supplied or approved by Viessmann.

  • Page 4: Table Of Contents

    Index Index 1. Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................2. Preparing for installation Requirements concerning on-site connections ........Siting and transport requirements ............Transportation ..................■ Installation site requirements .............. ■ Requirements for the heat pump controller installation location ..■...
  • Page 5 Index Index (cont.) Viessmann NTC 10 k (blue marking) ..........69 Ω ■ Viessmann Pt500A (green marking) ........... 70 ■ Checking MCB/fuses ................70 6. Parts lists Overview of assemblies ................. 73 Casing ....................74 Base frame .................... 76 Heat pump module ................78 Additional components ................

  • Page 6: Disposal Of Packaging

    Please dispose of packaging waste in line with statu- DE: Use the disposal system organised by tory regulations. Viessmann. AT: Use the ARA statutory disposal system (Altstoff Recycling Austria AG, licence number 5766). CH: Packaging waste is disposed of by the HVAC contractor.

  • Page 7: Product Information

    The heating water enters the System examples building via hydraulic connection lines. These lines are routed below ground and are frost-proof. For available system examples, see www.viessmann- schemes.com In the secondary circuit, the following components can be installed in the building: 1 high efficiency circulation pump for central heating ■...

  • Page 8: Requirements Concerning On-Site Connections

    Preparing for installation Requirements concerning on-site connections Ø 1100 Fig. 1 Electrical cable entries Heating water return G 1 (female thread): ¼ Heating water flow G 1 (female thread): Adaptor G 1 to Rp 1 supplied ¼ ¼ Adaptor G 1 to Rp 1 supplied Thermally insulated condensate hose (flexible) ¼...

  • Page 9: Installation Site Requirements

    Preparing for installation Siting and transport requirements (cont.) Please note Please note Impacts, compression and tensile loads can Tilting the compressor at a steep angle inside cause damage to the outside panels of the the heat pump can result in appliance damage. appliance.

  • Page 10: Minimum Clearances

    Preparing for installation Siting and transport requirements (cont.) Minimum clearances 1500 1500 1500 1500 Fig. 3 Fig. 2 Foundation Install the heat pump level on a permanently solid base. We recommend laying a concrete foundation as described in the following chapters. The thickness of cover represents an average value and should be matched to local conditions.
  • Page 11 Preparing for installation Siting and transport requirements (cont.) Foundation dimensions Sectional view No recess in the foundation for cables and hydraulic lines required. Plan view Fig. 5 Heat pump Concrete foundation (300 mm thick) consisting of: ■ Concrete slab C25/30, BSt 500 S and M ■...

  • Page 12: Cables And Hydraulic Lines

    Preparing for installation Siting and transport requirements (cont.) Cables and hydraulic lines Laying the lines underground and routing in through the exterior wall O N M O N M Fig. 6 Concrete foundation (300 mm thick) consisting of: 2 connecting cables inside DN 100 KG conduit (on ■...
  • Page 13 Preparing for installation Siting and transport requirements (cont.) Expansion vessel with safety assembly (accesso- Recommendation: Use Viessmann "Tyfocor" heat ries) transfer medium which is based on ethylene glycol Clearance, house wall foundations: (ready-mixed down to 19 °C, light green). —...
  • Page 14 Preparing for installation Siting and transport requirements (cont.) Required cables and hydraulic lines Fig. 7 Heat pump Power cable, instantaneous heating water heater Electric terminal area in the heat pump (if installed), max. output 9 kW Power cable, compressor/fan (3/N/PE 400 V/ Connecting cable with plug for switching module/ 50 Hz, on site) instantaneous heating water heater, approx.
  • Page 15 Preparing for installation Siting and transport requirements (cont.) Required cable lengths: ■ For the heat pump controller (wall outlet centrally directly below the heat pump controller): 0.6 m from the wall outlet ■ Inside the heat pump (to the electric terminal area): 0.7 m from the top edge of the foundations...

  • Page 16: Installing The Heat Pump

    Installation sequence Installing the heat pump 1. Position the heat pump according to the details on 2. Align the appliance horizontally: See Fig. 8. page 8. If the adjustable feet are used to compensate for an uneven floor (max. 10 mm), distribute the pres- sure load on the feet evenly.

  • Page 17: Making The Hydraulic Connections

    Installation sequence Making the hydraulic connections Connecting heating water flow and heating water return at the heat pump Please note Note Mechanically loaded hydraulic connections lead The connecting hoses can be shortened. ■ to leaks, vibration and appliance damage. ■ Completely encase connecting hoses in the supplied ■...

  • Page 18: Fitting The Flow Temperature Sensor, Secondary Circuit

    Installation sequence Making the hydraulic connections (cont.) Note ■ In underfloor heating circuits, install a temperature limiter to restrict the maximum temperature of under- floor heating systems. ■ Ensure minimum flow rate: see "Specification". Fitting the flow temperature sensor, secondary circuit The flow temperature sensor for the secondary circuit 1.
  • Page 19 Installation sequence Making the hydraulic connections (cont.) Fig. 11...

  • Page 20: Electrical Connections, Heat Pump

    Installation sequence Electrical connections, heat pump Danger Danger Damaged wiring insulation wiring can lead to Incorrect wiring can lead to serious injury from serious injury from electrical current and result in electrical current and result in appliance dam- appliance damage. age.

  • Page 21: Connecting Cables

    Installation sequence Electrical connections, heat pump (cont.) Connecting cables Connecting cables from the heat pump controller < 42 V 230 V~ Fig. 13 Electrical cable: Control cable 230 V~ to heat Switching module for compressor pump control unit (accessories) EEV PCB (refrigerant circuit controller [4]): See Electrical cable: LV lead <...

  • Page 22: Installing The Heat Pump Control Unit

    Installation sequence Electrical connections, heat pump (cont.) 6. Ensure that the cover is properly closed and diffu- sion-proof. Please note If covers are not carefully closed, damage from condensation may occur. Ensure the diaphragm grommets at the ■ cable entries are seated correctly. ■...

  • Page 23: Fitting The Casing Front

    Installation sequence Installing the heat pump control unit (cont.) Fitting the casing front Fig. 15 Fig. 16 Cross connect PCB Casing front Plug-in connection ON/OFF switch Controller and sensor PCB...

  • Page 24: Opening The Heat Pump Control Unit

    Installation sequence Installing the heat pump control unit (cont.) Fig. 17 Opening the heat pump control unit Fig. 18...

  • Page 25: Electrical Connections, Heat Pump Controller

    Installation sequence Electrical connections, heat pump controller Inserting cables and applying strain relief Fig. 19 Cables with moulded strain relief On-site cables Connecting cables GN/YE Fig. 20 Cross connect PCB Connecting cable (accessories): LV lead < 42 V to Controller and sensor PCB heat pump Connecting cable (accessories): control cable 230 V~ to heat pump...

  • Page 26: Adapting The Heat Pump Control Unit

    Installation sequence Electrical connections, heat pump controller (cont.) Adapting the heat pump control unit The secondary pump, the circulation pump for cylinder heating and/or the instantaneous heating water heater (accessories) can only be installed outside the heat pump. The wiring for this needs to be matched. Fig.

  • Page 27: Overview Of Electrical Connections

    Installation sequence Electrical connections, heat pump controller (cont.) Overview of electrical connections Danger Incorrect wiring can lead to serious injury from electrical current and result in appliance dam- age. Take the following measures to prevent wires drifting into the adjacent voltage area: Route LV leads <...

  • Page 28: Main Pcb (230 V~ Operational Components)

    Installation sequence Electrical connections, heat pump controller (cont.) Main PCB (230 V~ operational components) Information regarding the connection values Set the required parameters during commissioning: The specified output is the recommended connected See page 55 onwards. ■ load. ■ The total output of all components connected directly to the heat pump control unit (e.g.
  • Page 29 Installation sequence Electrical connections, heat pump controller (cont.) Plug Terminals Function Explanation 212.2 Heating circuit pump for heating cir- If a heating water buffer cylinder is installed, this ■ cuit without mixer A1/HC1 pump will be installed in addition to the secondary pump.
  • Page 30 Installation sequence Electrical connections, heat pump controller (cont.) Connecting the temperature limiter, part no. 7151728, 7151729 to the mixer extension kit sÖ sÖ Fig. 26 Connect plug sÖ to the extension kit. Temperature limiter Heating circuit pump M3/HC3 Plug Terminals Function Explanation 214.1...

  • Page 31: Expansion Pcb (230 V~ Components)

    Installation sequence Electrical connections, heat pump controller (cont.) Plug Terminals Function Explanation 216.1 Central heating demand, heating cir- 230 V~ digital input: cuit A1/HC1 230 V~: Central heating demand for heating circuit ■ A1/HC1 active 0 V: No demand ■ Breaking capacity 230 V, 2 mA ■...
  • Page 32 Installation sequence Electrical connections, heat pump controller (cont.) Plug Terminals Function Explanation 222.3 Control of external heat generator Floating contact 222.4 and 1 high limit safety cut-out each (on site, max. 70 °C), to switch off or Connection values (contact breaking capacity) switch between the following compo- Voltage: 230 V~ ■...
  • Page 33 Installation sequence Electrical connections, heat pump controller (cont.) Plug Terminals Function Explanation 223.1 223.2 Central fault message Floating contact: Closed: Fault ■ Open: No fault ■ Not suitable for safety LV ■ Connection values (contact rating): Voltage: 230 V~ ■ Max.

  • Page 34: Cross Connect Pcb (Signal And Safety Connections)

    Installation sequence Electrical connections, heat pump controller (cont.) Immersion heater EHE 400 V~ Immersion heater 230 V~ (on site) 224.7 224.7 X2.N X2.N Fig. 29 Fig. 30 Immersion heater EHE, power supply 3/N/PE Immersion heater, power supply 1/N/PE 400 V/50 Hz 230 V/50 Hz Terminals of the heat pump control unit Terminals of the heat pump control unit...
  • Page 35 Installation sequence Electrical connections, heat pump controller (cont.) Signal and safety connections Terminals Function Explanation Fuse 6.3 A (slow) Note Observe the total load of 1000 W for all connected components. Earth conductor X1. Terminals for earth conductors of all associated system components Neutral conductor X2.N Terminals for neutral conductors of all associated sys-...

  • Page 36: Controller And Sensor Pcb (Sensors)

    Installation sequence Electrical connections, heat pump controller (cont.) Terminals Function Explanation X3.8 Frost stat Requires floating contact: ■ X3.9 and/or Closed: Safety chain has continuity ■ Contact humidistat 230 V~ Open: Safety chain interrupted; heat pump shut down ■ or jumper Breaking capacity 230 V~, 0.15 A ■...
  • Page 37 Connection for EEV PCB in the heat pump (refrigerant circuit controller [4]): See "Vitotronic 200" service instructions. Note If other Viessmann appliances are to be connected to Modbus 1 (e.g. Vitovent 300-F), insert Modbus distributor (accessories): See the "Modbus distributor" installation instructions.
  • Page 38 Installation sequence Electrical connections, heat pump controller (cont.) Note Flow temperature sensor for heating circuit with mixer M3/HC3: The flow temperature sensor for one heating circuit with mixer M3/HC3 is connected to the mixer exten- sion kit (accessories). Swimming pool heating Note ■...

  • Page 39: Power Supply

    Installation sequence Power supply Isolators for non-earthed conductors The assignment of the power-OFF (for compressor ■ ■ Install an isolator in the power cable to provide and/or instantaneous heating water heater) is made omnipolar separation from the mains for all active via the type of connection and by setting parameters conductors, corresponding to overvoltage category in the heat pump control unit.

  • Page 40: Heat Pump Control Unit Power Supply 230 V

    Installation sequence Power supply (cont.) Heat pump control unit power supply 230 V~ Max. fuse rating 16 A ■ max.16 A Standard tariff: No economy tariff with power-OFF ■ X3.18 1/N/PE X2.1 possible for the heat pump control unit 230 V/50 Hz X1.1 ■...

  • Page 41: Power Supply With Power-Off: With On-Site Load Disconnect

    Installation sequence Power supply (cont.) X3.7 Note Observe the technical connection conditions of the rel- evant power supply utility. X3.6 Fig. 35 Diagram excluding fuses and RCD Heat pump control unit Instantaneous heating water heater Compressor Heat pump control unit power supply Premium tariff meter Backup fuse, ripple control receiver Ripple control receiver (contact open: power-OFF...
  • Page 42 Installation sequence Power supply (cont.) X3.7 X3.6 Fig. 36 Diagram excluding fuses and RCD Heat pump control unit Instantaneous heating water heater Compressor Heat pump control unit power supply Premium tariff meter Backup fuse, ripple control receiver Ripple control receiver (contact open: power-OFF enabled) with backup fuse Economy tariff meter Feed: TNC system...

  • Page 43: Mains Power Supply In Conjunction With On-Site Power Consumption

    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. 37 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 44 Installation sequence Power supply (cont.) Connection to EA1 extension Condition: "Enable Smart Grid 7E80" must be at "1". [{{] 0-10V Fig. 38 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 45: Closing The Heat Pump

    Installation sequence Closing the heat pump Closing the wiring chamber Please note Please note Leaking hydraulic connections lead to appliance If the casing is not securely closed, this can lead damage. to damage from condensation, vibrations and ■ Check the internal and on-site hydraulic con- excessive noise.

  • Page 46: Fitting The Air Routing Components

    Installation sequence Closing the heat pump (cont.) Fitting the air routing components Fig. 41...

  • Page 47: Fitting The Outer Casing

    Installation sequence Closing the heat pump (cont.) Fitting the outer casing 1. Put a check mark against the heat pump type cor- responding to the type plate. Use a weatherproof marker. Type plate location: See page 73. Please note The protective foil can no longer be removed once the outer casing has been fitted.
  • Page 48 Installation sequence Closing the heat pump (cont.) 1 Nm Fig. 43 12. The "upper casing part with logo" can be installed on either side.

  • Page 49: Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • • 1. Opening the heat pump..................... 50 • 2. Preparing reports....................... 50 • • 3. Checking the refrigerant circuit for tightness..............50 •...

  • Page 50: Opening The Heat Pump

    Commissioning, inspection, maintenance Opening the heat pump Danger Please note Contact with live components can lead to seri- Commissioning immediately after installation ous injury from electric current. can lead to appliance damage. ■ Never touch wiring chambers. Wait at least 30 min between installing and –...
  • Page 51 Commissioning, inspection, maintenance Filling and venting on the secondary side (cont.) Flush the heating system thoroughly before filling. 1. Open any non-return valves installed on site. ■ ■ Only fill with water of potable quality. ■ If the fill and top-up water has a water hardness 2.
  • Page 52 Commissioning, inspection, maintenance Checking the expansion vessel and heating… (cont.) 3. Top up with water until the filling pressure exceeds 4. During commissioning, mark this value on the the pre-charge pressure of the expansion vessel. pressure gauge as minimum charge pressure. On a cold system, the charge pressure must be approx.
  • Page 53 Commissioning, inspection, maintenance Commissioning the system (cont.) Starting the heat pump Switch ON the system power supply, e.g. at the sepa- rate MCB/fuse or at a mains isolator. Commissioning with the commissioning assistant The commissioning assistant automatically guides you Switch ON the ON/OFF switch on the control unit. through all the menus where settings have to be made.
  • Page 54 Commissioning, inspection, maintenance Commissioning the system (cont.) Language Date/Time Time Date Start commissioning? Coding Parameter group Parameters level 1 select Temperature Sensor values sensors display Signal inputs Signal inputs display Actuator test Actuator test carry out Subscriber check (LON) Subscriber check carry out Function check Function...
  • Page 55 X Component is selected. Note Component may be added. Set system scheme 11 for the lag heat pumps in a For detailed information on system examples: See heat pump cascade. www.viessmann-schemes.com. Only in conjunction with a heating water buffer cylinder.
  • Page 56 Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for circulation pumps and other components Heating circuit pump Parameter Setting "System definition" Ó "System scheme 7000" With heating circuit HC1 without mix- ■ With heating circuit HC2 with mixer ■ With heating circuit HC3 with mixer ■...
  • Page 57 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 58 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 Cooling function on systems without buffer cylinder Parameter Setting "Cooling"...
  • Page 59 Commissioning, inspection, maintenance Commissioning the system (cont.) Room temperature sensor for separate cooling circuit Parameter Setting "Cooling" Ó "Ranking room temp sensor separate cooling circuit 7106" "0" Connection F16 "1" Heating circuit HC1 "2" Heating circuit HC2 "3" Heating circuit HC3 "4"...
  • Page 60 Commissioning, inspection, maintenance Commissioning the system (cont.) Enable external heat source for DHW heating Parameter Setting "External heat source" Ó "Enable external heat source for DHW heating 7B0D" "1" Parameters for immersion heater Parameters Setting "DHW" Ó "Enable electric heaters for DHW heating 6015" "1"...
  • Page 61 Commissioning, inspection, maintenance Commissioning the system (cont.) Adjust values for Vitovent 200-C if necessary Parameter Setting "Ventilation" Ó ≙ "Set room temperature 7D08" "100" to "300" ( 10 to 30 °C) "Flow rate reduced ventilation 7D0A" Subject to sizing "Flow rate nominal ventilation 7D0B" Ventilation unit service instruc- "Flow rate intensive ventilation 7D0C"...
  • Page 62 Commissioning, inspection, maintenance Commissioning the system (cont.) Further enabling for Vitovent 300-F if necessary Parameter Setting "Ventilation" Ó "Enable preheater bank electric 7D01" "1" "Enable reheater bank hydraulic 7D02" "1" "Enable humidity sensor 7D05" "1" "Enable CO2 sensor 7D06" "1" "Type of heat exchanger 7D2E"...
  • Page 63 Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters for Smart Grid Parameter Setting "Smart Grid" Ó "Enable Smart Grid 7E80" "1" Connection to EA1 extension "4" Connection to heat pump control unit "Smart Grid Enable elec heat 7E82" "1" Stage 1 "2"...
  • Page 64 Commissioning, inspection, maintenance Commissioning the system (cont.) Parameters Setting Lead heat pump Lag heat pump "Electric heater" Ó "Enable instantaneous heating water heater 7900" "0" or "1" "0" or "1" "Enable electric heaters for DHW heating 6015" "0" or "1" —...

  • Page 65: Overview Of Electrical Components

    Maintenance Overview of electrical components Heat pump: See page 21. ■ ■ Heat pump control unit: See page 27. Removing the outer casing Remove the complete outer casing on all 4 sides of the To find the required side of the heat pump, you will heat pump: Steps 2 to 10 on page 48 in reverse order.

  • Page 66: Removing The Side Panel

    Maintenance Removing the side panel Please note Constant heat pump operation without the side panel can cause appliance damage. Never switch on the heat pump if the side panel has been removed. Fig. 49 Opening the electrical wiring chamber Open the door of the wiring chamber: See page 20.

  • Page 67: Overview Of Internal Components

    Maintenance Overview of internal components Fig. 50 Low pressure sensor Liquid separator Electronic expansion valve for suction gas super- Liquid gas temperature sensor (downstream of heating (AHX) condenser) (NTC 10 k Ω Electronic expansion valve for refrigerant collector Suction gas temperature sensor (downstream of level control (PHX) evaporator) (NTC 10 k Ω...

  • Page 68: Draining Heat Pump On The Secondary Side

    Maintenance Draining heat pump on the secondary side 1. Close the on-site boiler drain & fill valve. 2. Drain the heat pump at the drain valve: See Fig. 50 on page 67. Checking the temperature sensors ■ For sensor connections to the controller and sensor PCB: See page 27.
  • Page 69 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 70: Viessmann Pt500A (Green Marking)

    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 71 Maintenance Checking MCB/fuses (cont.) Danger Fuses in the heat pump control unit Removing the fuse does not switch the power circuit to zero volt. Contact with 'live' compo- For fuse locations: See page 27 onwards. nents can lead to serious injury from electric cur- rent.
  • Page 72 Maintenance Checking MCB/fuses (cont.)

  • Page 73: Overview Of Assemblies

    Parts lists Overview of assemblies The following details are required when ordering parts: ■ Serial no. (see type plate ■ Assembly (from this parts list) ■ Position number of the individual part within the assembly (from this parts list) Fig. 51 Type plate Air routing assembly Casing assembly...

  • Page 74: Casing

    Parts lists Casing 0001 0012 0003 0003 0008 0012 0008 0004 0004 0008 0008 0006 0006 0002 0003 0003 0010 0008 0010 0013 0008 0004 0004 0008 0008 0005 0006 Fig. 52...
  • Page 75 Parts lists Casing (cont.) Pos. Part 0001 Cover with gasket 0002 Casing, top part with logo 0003 Casing, top part 0004 Casing, central part 0005 Casing, bottom part with recess 0006 Casing, bottom part 0008 Fins (set) 0010 Logos 0012 Cover support 0013 Screws EPP (set)

  • Page 76: Base Frame

    Parts lists Base frame 0002 0003 0003 0002 0006 0006 0013 0001 0006 0011 0006 0011 0018 0004 0010 0010 0005 0018 0014 0014 0012 0012 0014 0014 0007 0008 0012 0009 0014 0008 0014 0019 0016 0015 0017 Fig. 53...
  • Page 77 Parts lists Base frame (cont.) Pos. Part 0001 Evaporator 0002 Brace, left/right 0003 Brace, front/rear 0004 Condensate pan 0005 Fan mounting plate 0006 Side brace with recess 0007 Top panel 0008 Front brace 0009 Base plate 0010 Side brace 0011 Side brace with entry 0012 Side panel...

  • Page 78: Heat Pump Module

    Parts lists Heat pump module 0014 0043 0038 0026 0028 0039 0029 0040 0030 0027 0020 0028 0029 0015 0020 0016 0016 0060 0069 0037 0023 0025 0009 0024 0022 0021 0041 0010 0018 0003 0012 0019 0010 0017 0011 0018 0020 0012...
  • Page 79 Parts lists Heat pump module (cont.) Pos. Part 0001 Support, right/left 0002 Mounting panel 0003 Hot gas line, 4-way diverter valve 0004 Refrigerant line, 4-way diverter valve evaporator — 0005 Suction gas line, 4-way diverter valve 0006 Low pressure sensor PT5-18T 0007 4-way diverter valve 0008...
  • Page 80 Parts lists Heat pump module (cont.) Pos. Part 0046 Refrigerant line, refrigerant collector — 0048 Refrigerant line, intermediate injection 0049 Intermediate injection solenoid valve 0050 Refrigerant line, refrigerant collector compressor — 0051 Refrigerant collector 0052 Gasket 8 x 50 x 5 mm 0053 Fill level sensor 0054...
  • Page 81 Parts lists Heat pump module (cont.)

  • Page 82: Additional Components

    Parts lists Additional components 0001 0013 0004 0003 0009 0014 0005 0010 0012 0007 0002 0008 0011 0015 Fig. 55...
  • Page 83 Parts lists Additional components (cont.) Pos. Part 0001 Axial fan with cable ties (hook and loop fastening) 0002 Condensate hose with thermal insulation 0003 Condensate drain connector 0004 Cover, condensate drain connector 0005 Diaphragm grommets (set) 0007 Insulation mat 0008 Hydraulic connectors with thermal insulation (2 pce) 0009 Temperature sensor Pt500A...

  • Page 84: Air Module

    Parts lists Air module 0001 0002 0006 0003 0003 0003 0003 0004 0005 0004 0007 0007 0007 Fig. 56...
  • Page 85 Parts lists Air module (cont.) Pos. Part 0001 Cover 0002 Top cover 0003 Air routing, top 0004 Insert for brace 0005 Flow hood 0006 Condensate pan 0007 Air routing, bottom...

  • Page 86: Miscellaneous

    Parts lists Miscellaneous 0001 0002 0003 Fig. 57...
  • Page 87 Parts lists Miscellaneous (cont.) Pos. Part 0001 Installation and service instructions 0002 System examples 0003 Connection and wiring diagram...

  • Page 88: Electrical Equipment

    Parts lists Electrical equipment 0085 0007 0066 0008 0049 0067 0025 0030 0024 0102 0036 0105 0035 0063 0009 0101 0063 0063 0106 0050 0037 0084 0104 0070 0043 0103 Fig. 58...
  • Page 89 Parts lists Electrical equipment (cont.) Pos. Part 0007 Coding card 0008 EEV PCB [4] 0009 Inverter 0024 Compressor switching module 0025 Contactor, 3-pole 230 V~ 0030 Mains terminal, 5-pole 0035 Spring clip 0036 Fuses 6.3 A (slow) (5 pce) 0037 Outside temperature sensor NTC 10 k Ω...

  • Page 90: Heat Pump Controller

    Parts lists Heat pump controller 0020 0016 0021 0025 0026 0027 0002 0018 0012 0030 0031 0022 0032 0019 0001 0023 0017 0015 0010 0013 0014 0011 0009 0008 0024 0003 0006 0004 0005 0007 Fig. 59...
  • Page 91 Parts lists Heat pump controller (cont.) Pos. Part 0001 Programming unit 0002 ON/OFF switch 0003 Ribbon cable AWG 28, 24 x 0.09 folded 0004 Ribbon cable, 16-pole 0005 Ribbon cable, 10-pole 0006 Cable harness ON/OFF switch 0007 4-pole connecting cable, length 85 mm 0008 Main PCB with cover (MB761) 0009...

  • Page 92: Hydraulic Parameter Report

    Commissioning/service reports Hydraulic parameter report Settings and test values Set value Commissioning Maintenance/ service Checking external heating circuit pumps Circulation pump type Circulation pump stage Overflow valve setting Commissioning, primary circuit Air intake temperature °C ("Diagnosis" "System overview") Ó Air discharge temperature °C ("Diagnosis"...
  • Page 93 Commissioning/service reports Control parameters report (cont.) System definition Parameters Code Delivered condition Commission- Maintenance/ service "System scheme" (see chapter "System 7000 scheme") Interval for long term average outside tem- 7002 180 min perature ≙ "Temperature differential for calculating 7003 40 ( 4 K) the heating limit"...
  • Page 94 Commissioning/service reports Control parameters 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 95 Commissioning/service reports Control parameters report (cont.) Parameters Code Delivered condition Commission- Maintenance/ service "Priority DHW heating with combi cylin- 6016 der" "Start attempts for DHW after high pres- 6017 sure shutdown" ≙ Shutdown hysteresis inst. heating water 601E 10 ( 1 K) heater "Cylinder primary pump enable"...
  • Page 96 Commissioning/service reports Control parameters report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Compressor performance at min. outside 730F 50 % temperature Compressor performance at max. outside 7310 20 % temperature Cycle rate heating circuit pumps 7319 Operating mode secondary pump 7340 Secondary circuit pump type 735A...
  • Page 97 Commissioning/service reports Control parameters report (cont.) Heating circuit 1 Parameter Code Factory setting 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 98 Commissioning/service reports Control parameters report (cont.) Heating circuit 3 Parameter Code Factory setting Commission- Maintenance/ service ≙ Standard room temperature 4000 200 ( 20 °C) ≙ Reduced room temperature 4001 200 ( 20 °C) Remote control 4003 Room temperature control 4005 ≙...
  • Page 99 Commissioning/service reports Control parameters report (cont.) Ventilation: Vitovent 200-C and Vitovent 300-F Parameter Code Delivered condition Commission- Maintenance/ service Vitovent enable 7D00 Enable preheater bank electric 7D01 Enable reheater bank hydraulic 7D02 Enable humidity sensor 7D05 Enable CO2 sensor 7D06 ≙...
  • Page 100 Commissioning/service reports Control parameters report (cont.) Ventilation: Vitovent 200-W, Vitovent 300-C and Vitovent 300-W Parameter Code Delivered condition Commission- Maintenance/ service Vitovent enable 7D00 Heating circuit for blocking bypass damper 7D21 Preheating coil C101 Reheater C102 Humidity sensor C105 Set CO2 value C106 ≙...
  • Page 101 Commissioning/service reports Control parameters report (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Function, input 1 C1B0 ≙ Min. voltage, input 1 C1B1 0 (10 1 V) ≙ Min. voltage, input 2 C1C1 0 (10 1 V) Flow rate correction C1C7 Photovoltaics Parameter...
  • Page 102 Commissioning/service reports Control parameters report (cont.) Time Parameter Code Delivered condition Commission- Maintenance/ Service "Automatic changeover summertime - 7C00 wintertime" "Start summertime - month" 7C01 "Start summertime - week" 7C02 "Start summertime - day" 7C03 "Start wintertime - month" 7C04 "Start wintertime - week"...
  • Page 103 Specification Specification Type AWO-AC 301.B07 301.B11 301.B14 Heating performance data to EN 14511 (A2/W35) Rated heating output 7.42 7.00 8.50 Electrical power consumption 1.84 1.79 2.18 Coefficient of performance (COP) 4.04 3.90 3.90 ε Output control 5.80 to 9.66 5.80 to 12.00 7.20 to 13.40 Heating performance data to EN 14511 (A7/W35, 5 K spread)
  • Page 104 Specification Specification (cont.) Type AWO-AC 301.B07 301.B11 301.B14 Electrical values Rated voltage 3/N/PE 400 V/50 Hz Max. rated current 14.5 ϕ Starting current 10.0 Fuse protection B16A 3-pole Fan protection 6.3 A H (slow) Control circuit rated voltage 230 V/50 Hz Control circuit protection 6.3 A H (slow) Power consumption...
  • Page 105 Specification Specification (cont.) Type AWO-AC 301.B07 301.B11 301.B14 Performance data as per EU Regulation no. 813/2013 (average climatic conditions) Low temperature applications (W35) Energy efficiency η ■ Rated heating output P ■ rated Seasonal coefficient of performance (SCOP) 4.33 3.88 3.93 ■...

  • Page 106: Commissioning Order

    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 Final decommissioning and disposal Viessmann products can be recycled. Components...

  • Page 107: Declaration Of Conformity

    Certificates Declaration of conformity Using the serial number, the Declaration of Conformity www.viessmann.co.uk/eu-conformity can be found on the following website: The product characteristics determined as system values for the product Vitocal 300-A (see technical guide) can be utilised to assess the energy consumption of heating and ventilation systems to DIN V 4701-10 specified...

  • Page 108: Keyword Index

    Keyword index Keyword index Connection values Adjustable feet............16 – Circulation pumps........... 31 Air intake temperature..........103 – Function components..........31 Air routing..............46 Contact humidistat............. 37 Air vent valve..............67 – Connecting.............. 36 Ambient temperatures..........9 Control cable..........12, 13, 14 Antifreeze............... 9, 13 Controller and sensor PCB....
  • Page 109 Keyword index Keyword index (cont.) Fill & drain facility............14 Filling................50 KG conduit..............13 Fill level sensor............ 67, 80 KM-BUS distributor............ 37 Fill water..............50 Filter dryer............67, 79 Floor unevenness............16 Laying Flow switch............67, 79 – Cables..............12 Flow temperature............. 103 –...
  • Page 110 Keyword index Keyword index (cont.) Rated current............104 Parameter group selection......... 54 Rated heating output..........103 Parameters Rated voltage............104 – Cooling function............58 RCD..............41, 42 – DHW circulation pump..........56 Refrigerant............... 104 – Electric booster heater..........59 Refrigerant charge........... 104 –...
  • Page 111 Keyword index Keyword index (cont.) Symbols............... 6 System commissioning..........52 Underfloor heating............29 System examples............7 Underfloor heating circuit........... 29 System flow temperature sensor........37 Use................6 System pressure, checking........51 Utilisation of power generated on site......39 System scheme............55 System user instruction..........64 Ventilation.............60, 61 Venting...............
  • Page 112 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...

This manual is also suitable for:

Vitocal 300-a awo-ac 301.b07Vitocal 300-a awo-ac 301.b11Vitocal 300-a awo-ac 301.b14

Table of Contents