Viessmann Vitovalor 300-P Installation And Service Instructions For Contractors
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Viessmann Vitovalor 300-P Installation And Service Instructions For Contractors

Micro chp unit based on a fuel cell with integral gas condensing boiler natural gas version
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VIESMANN
Installation and service instructions
for contractors
Vitovalor 300-P
Type C3TB, 1 to 20 kW
Micro CHP unit based on a fuel cell with integral gas condensing boiler
Natural gas version
For applicability, see the last page
VITOVALOR 300-P
Please keep safe.
5775 636 GB
1/2016

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Summary of Contents for Viessmann Vitovalor 300-P

  • Page 1 VIESMANN Installation and service instructions for contractors Vitovalor 300-P Type C3TB, 1 to 20 kW Micro CHP unit based on a fuel cell with integral gas condensing boiler Natural gas version For applicability, see the last page VITOVALOR 300-P Please keep safe.
  • Page 2 ■ installer or a qualified person authorised by the For replacements, use only original spare parts installer. supplied or approved by Viessmann. Regulations to be observed Safety instructions for operating the system National installation regulations If you smell gas ■...
  • Page 3 Safety instructions Safety instructions (cont.) What to do if water escapes from the appliance Danger When water escapes from the appliance there is a risk of electrocution. Switch off the heating system at the external iso- lator (e.g. fuse box, domestic power distribu- tion).

  • Page 4: Table Of Contents

    Dimensions of siting options ............... 10 ■ Preparing for installation ................ 11 Notes on connecting to the mains supply ..........14 Vitovalor 300-P in mains parallel mode ..........14 ■ Metering generated power ..............14 ■ Property boundaries and transfer point without power storage sys- ■...
  • Page 5 Index Index 5. Codes Coding level 1 ..................92 Calling up coding level 1 ..............92 ■ "General" ................... 92 ■ "Boiler" ....................93 ■ "DHW" ....................94 ■ "Heating circuit ..." ................94 ■ Coding level 2 ..................98 Calling up coding level 2 ..............
  • Page 6 Index Index (cont.) 9. Function description Control unit .................... 164 Heating mode ..................164 ■ Heating the DHW loading cylinder from cold ........164 ■ Operating the fuel cell module ............164 ■ Reheating when DHW is drawn off .............164 ■...
  • Page 7 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 8 Product information Vitovalor 300-P, type C3TB Preset for operation with natural gas E, adjustable to The Vitovalor 300-P may in principle be supplied only natural gas LL to the countries indicated on the type plate. For deliv- eries to other countries, approved contractors must arrange individual approval on their own initiative and in accordance with the law of the country in question.

  • Page 9: Handling

    Siting Room height required: min. 2250 mm The Vitovalor 300-P must be installed with the gas condensing module downstream of the fuel cell mod- ule in the flue gas flow direction.

  • Page 10: Dimensions Of Siting Options

    Preparing for installation Siting (cont.) Dimensions of siting options 1085 Fig. 3 Fuel cell module to the left of the gas con- densing module...

  • Page 11: Preparing For Installation

    Preparing for installation Siting (cont.) 1125 Fig. 4 Fuel cell module to the right of the gas con- densing module Preparing for installation Use a connection set – available as an accessory – to Preparing connections on site: make the connections on the gas and water sides. Connection set installation instructions Fitting accessories Before final siting, attach all of the accessories that are...
  • Page 12 Preparing for installation Preparing for installation (cont.) Ø 40 Fig. 5 Condensate drain in the wall Observe the necessary fall. 1085 1085 Fig. 6 Fuel cell module to the right of the gas condensing module Fuel cell module to the left of the gas condensing module Note All height dimensions have a tolerance of +15 mm on...
  • Page 13 Preparing for installation Preparing for installation (cont.) Connecting gas and water using connection sets (accessories) Fig. 7 All possible connection sets are shown (con- nection to the right, left or top). 1. Prepare the connections on the heating water side. 4.

  • Page 14: Notes On Connecting To The Mains Supply

    This operating mode is described ■ LV connection ordinances as well as supplementary as mains parallel mode. For this, the Vitovalor 300-P is conditions of the relevant grid operator mechanically coupled to the grid. ■...
  • Page 15 LV distribution board 400 V / 230 V~ L AC 400 V / 230 V~ K Fig. 8 Fig. 9 Vitovalor 300-P Vitovalor 300-P Internal circulation pump Internal circulation pump Internal consumers Internal consumers...

  • Page 16: Property Boundaries And Transfer Point Without Power Storage System

    400 V / 230 V~ Grid operator Customer Power distribution On-site consumers Short circuit protection Overload protection, RCD Vitovalor 300-P GS protection Inverter (DC/AC converter) S = 1.5 kVA EMAX Fuel cell Z1 Balancing bi-directional meter (observe meter cir- cuit)

  • Page 17: Property Boundaries And Transfer Point With Power Storage System

    Property boundaries and transfer point with power storage system 400 V / 230 V~ Grid operator Customer Power distribution On-site consumers Short circuit protection Overload protection, RCD Vitovalor 300-P GS protection Inverter (DC/AC converter) S = 1.5 kVA EMAX Fuel cell Power storage system inverter Power storage unit...

  • Page 18: Connection For Excess Export Without Power Storage System

    Bi-directional energy management meter Vitovalor 300-P (optional, not relevant to billing by the grid opera- GS protection tor) Inverter (DC/AC converter) S = 1.5 kVA EMAX Z3b Export/generation meter for Vitovalor 300-P alone Fuel cell GS protection for PV system...

  • Page 19: Connection For Excess Export With Power Storage System

    Grid operator PV inverter Customer Photovoltaic system Power distribution Power storage system inverter On-site consumers Power storage unit Short circuit protection Balancing bi-directional meter (observe meter cir- Overload protection, RCD cuit) Vitovalor 300-P Electricity meter for power export and drawing...

  • Page 20: Cable Sizing

    Cable lengths in m Recommended cable generating power. Consequently, select larger cross- ≤ NYM 3 x 2.5 mm sections for the Vitovalor 300-P power cable than is > 35 ≤ NYM 3 x 4 mm technically required. Cross-sections recommended in line with economic considerations: >...
  • Page 21 Fuel cell stack On-site consumers Z1 Balancing bi-directional meter (observe meter cir- Vitovalor 300-P cuit) RCD Vitovalor 300-P 25 A/30 mA, single pole (if Z2 Net electricity meter (standard delivery required) Vitovalor 300-P) Selective mains circuit breaker 3 x 63 A...

  • Page 22: Installing The Vitovalor 300-P

    Installation sequence Installing the Vitovalor 300-P Removing the front panel of the gas condensing module Fig. 16...

  • Page 23: Connecting The Fuel Cell Module On The Heating Water And Gas Sides

    Installation sequence Installing the Vitovalor 300-P (cont.) Connecting the fuel cell module on the heating water and gas sides Fig. 17 Heating water flow buffer cylinder Gas connection, fuel cell module connector G ½ Connector G Heating water return, fuel cell module connector ⅜...

  • Page 24: Mounting The Diaphragm Expansion Vessel

    Installation sequence Installing the Vitovalor 300-P (cont.) 01. Route the connection lines through the side open- 05. Position and align the gas condensing module ings in the gas condensing module: against the wall (see page 25). ■ the gas line and one heating water line through the rectangular aperture 06.

  • Page 25: Aligning The Vitovalor 300-P

    Installation sequence Installing the Vitovalor 300-P (cont.) 4. Bend the connection line to the position of the dia- 5. Mount the diaphragm expansion vessel on the wall phragm expansion vessel. Never kink the connec- using the bracket supplied. tion line (min. bending radius 25 mm). Attach the connection line with gasket to the diaphragm 6.

  • Page 26: Heating Water And Dhw Connections

    Installation sequence Installing the Vitovalor 300-P (cont.) Heating water and DHW connections Fig. 20 The illustration shows all of the connection sets available as accessories. Heating flow R DHW circulation R ¾ ½ DHW R Cold water R ½ ½...

  • Page 27: Balanced Flue Terminal

    Note Fit safety assembly on site immediately upstream Never connect the safety valve of the DHW cylinder to of the cold water connection on the Vitovalor 300-P. hose . Never change the location of hose (it acts No shut-off equipment may be installed between the as vent).
  • Page 28 Route all horizontal sections of the flue pipe with a Only use the "System certificate" and "Skoberne constant fall of 3°. GmbH flue system" labels in conjunction with the Viessmann flue system made by Skoberne. Connecting the downstream balanced flue Flue system installation instructions...

  • Page 29: Routing Drain Lines

    Installation sequence Installing the Vitovalor 300-P (cont.) Routing drain lines Route the condensate hoses to the rear or side open- ings (see page 12). Route the drain hoses with a constant fall to the buil- ding's drainage system. If required, install a conden- sate removal pump (accessories).

  • Page 30: Opening The Control Unit Enclosure On The Gas Condensing Module

    Installation sequence Installing the Vitovalor 300-P (cont.) 2. Check the gas connections for tightness. Also 3. Vent the gas line. check the line to the fuel cell module. See page 23. Note Use only suitable and approved leak detection agents (EN 14291) and devices for the tightness test.

  • Page 31: Electrical Connections

    Installation sequence Opening the control unit enclosure on the gas… (cont.) Please note Electronic assemblies can be damaged by elec- trostatic discharge. Prior to commencing any work, touch earthed objects such as heating or water pipes to dis- charge static loads. Electrical connections Vitotronic 200 Fig.

  • Page 32: Process Controller

    Installation sequence Electrical connections (cont.) Process controller Opening the process controller Fig. 29...
  • Page 33 Installation sequence Electrical connections (cont.) Overview of the process controller Fig. 30 Control unit, gas condensing module Power distributor Vitocom 300 Power supply, fuel cell module Vitocom 300 power supply unit Internal electricity meter Differential temperature controller System power supply KM-BUS terminals Power supply for accessories Information on connecting accessories...

  • Page 34: Making The Electrical Connection Between The Fuel Cell Module And The Gas Condensing Module

    Installation sequence Electrical connections (cont.) Making the electrical connection between the fuel cell module and the gas condensing module Check that the fuel cell module is switched off Fig. 31 1. Remove the front panel of the fuel cell module (see 2.

  • Page 35: Outside Temperature Sensor

    Installation sequence Electrical connections (cont.) 2. Insert the plug on connecting cable from the fuel cell module into the process controller of the gas condensing module. 3. Pass LON cable through the left-most cable entry and plug it into the Vitocom 300 (see page 33).

  • Page 36: External Demand Via 0

    Installation sequence Electrical connections (cont.) Plug EA1 extension Floating contact Floating contact (when connected, remove jumper EA1 extension between L and 1) Codes Codes "4b:1" in group "General"/1 Set "3A" (DE1), "3b" (DE2) or "3C" (DE3) to 2 in ■ ■...

  • Page 37: Power Supply For Accessories (230 V ~)

    Installation sequence Electrical connections (cont.) Please note Live contacts lead to short circuits or phase fail- ure. The external connection must be floating and meet the requirements of protection class II. Plug EA1 extension Floating contact Floating contact (when connected, remove jumper EA1 extension between L and 1) Codes...

  • Page 38: Km-Bus Connections

    Installation sequence Electrical connections (cont.) KM-BUS connections Fig. 36 Connect the KM-BUS on accessories or the KM-BUS distributor to terminals...

  • Page 39: Connecting Vitocom 300 To Lan

    Installation sequence Electrical connections (cont.) Connecting Vitocom 300 to LAN Fig. 37 In its delivered condition, the LAN socket is attached to the rear of the top panel on the gas condensing module. If necessary, unclip the LAN socket and insert into aperture , on the left or right.
  • Page 40 Installation sequence Electrical connections (cont.) < 42 V fÖ 230 V~ Fig. 38 1. Connect the power cable for the entire system to ■ Install an isolator in the power line to provide omnip- plug on the distribution board. olar separation from the mains for all active conduc- fÖ...

  • Page 41: Installing Wireless Accessories (If Present)

    Installation sequence Electrical connections (cont.) Installing wireless accessories (if present) Wireless outside temperature sensor 1. Prepare the wireless outside temperature sensor for commissioning: Remove the outside temperature sensor from its packaging and position with its front facing a light source, so that the internal power supply can be charged.

  • Page 42: Routing The Connecting Cables And Leads

    Installation sequence Electrical connections (cont.) Routing the connecting cables and leads Please note If cables come into contact with hot components they will be damaged. When routing and securing cables/leads on site, ensure that the maximum permissible tempera- ture for these is not exceeded. Closing the control unit enclosure Fig.

  • Page 43: Closing The Process Controller

    Installation sequence Closing the control unit enclosure (cont.) Closing the process controller Fig. 42 Attach the earth cable to the casing cover.

  • Page 44: Fitting The Front Panels

    Installation sequence Fitting the front panels Fig. 43...

  • Page 45: If Required For Easier Handling: Dismantling The Gas Condensing Module

    Installation sequence If required for easier handling: Dismantling the gas condensing module Note Residual water may escape during dismantling. Fig. 44...
  • Page 46 Installation sequence If required for easier handling: Dismantling… (cont.) Fig. 45 Note Re-insert the serrated lock washer on the right-hand side panel when assembling.
  • Page 47 Installation sequence If required for easier handling: Dismantling… (cont.) Fig. 46...
  • Page 48 Installation sequence If required for easier handling: Dismantling… (cont.) Fig. 47...
  • Page 49 Installation sequence If required for easier handling: Dismantling… (cont.) Fig. 48...

  • Page 50: Steps - Commissioning, Inspection And Maintenance

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • • 1. Removing the front panels....................52 • 2. Marking the type on the type plate................... 52 • 3. Checking the power supply •...
  • Page 51 Commissioning, inspection, maintenance Steps - commissioning, inspection and… (cont.) Commissioning steps Inspection steps Maintenance steps Page • 40. 5-yearly maintenance of fuel cell module................ 86 • • 41. Checking the external diaphragm expansion vessel (heating circuit) and system pressure..........................86 •...

  • Page 52: Removing The Front Panels

    Check the fuel cell type on type plate of the fuel cell The following two types can be used: FC-V75CF1HD module and indicate it with on type plate of the Vitovalor 300-P (see fig. 49). FC-V75FS1AD Checking the power supply...

  • Page 53: Overview Of Water Circuits

    Commissioning, inspection, maintenance Overview of water circuits Fig. 50 The system has three separate water circuits, each Fuel cell module process circuit (page 70) with different requirements in terms of the quality of fill water, plus the DHW water circuit. Gas condensing module and heating circuits (page 55) Fuel cell module and heating water buffer cylinder...
  • Page 54 Commissioning, inspection, maintenance Filling the fuel cell module and heating water… (cont.) Fig. 51 1. Check and if necessary adjust the pre-charge pres- 4. Fill the fuel cell module via tap sure at test connector on the diaphragm expan- sion vessel. Vent via: Set value: 0.9 bar (0.09 MPa) Air vent valve...

  • Page 55: Filling Gas Condensing Module And Heating Circuits

    Commissioning, inspection, maintenance Filling the fuel cell module and heating water… (cont.) 6. Fill the heating water buffer cylinder via tap 8. Turn the lever of tap to position Vent the heating water buffer cylinder via air vent valve 9. Remove the drain hose from air vent valve Remove the fill hose from tap 7.

  • Page 56: Filling The Dhw Cylinder

    Commissioning, inspection, maintenance Filling gas condensing module and heating… (cont.) 1. Check the pre-charge pressure of the diaphragm 5. If the control unit was already on before filling: expansion vessel. See page 86. Switch the control unit ON and activate the fill pro- gram (see next chapter).

  • Page 57: Filling The Trap On The Gas Condensing Module With Water

    Commissioning, inspection, maintenance Filling the trap on the gas condensing module with water Fig. 53 1. Pivot the control unit forwards. 7. Check that the condensate pipe is correctly attached to the trap and heat exchanger. 2. Pull off drain hose Note Route the drain hose without any bends and with a 3.

  • Page 58: Venting The Gas Condensing Module

    Commissioning, inspection, maintenance Venting the gas condensing module Fig. 54 1. Close the shut-off valves on the heating water side. 5. First close vent valve 2. Remove cover panel 6. Once the required operating pressure has built up, close fill valve .

  • Page 59: Changing Language Setting (Control Unit, Gas Condensing Module)

    Commissioning, inspection, maintenance Changing language setting (control unit, gas condensing module) At the commissioning stage, the display is in German Sprache (factory setting). Deutsch ê ç Bulgarski Extended menu: ê Cesky å ê 2. "Einstellungen" Dansk ê 3. "Sprache" Wählen mit 4.

  • Page 60: Registering The External Meter On Vitocom 300 As An M-Bus Subscriber

    Commissioning, inspection, maintenance Registering the external meter on Vitocom 300 as an M-Bus subscriber Note 07. Confirm with OK. The Vitocom 300 can be found in the process control- The display shows: ler junction box. "Scan: XX %" "Please wait" 01.
  • Page 61 Commissioning, inspection, maintenance Pairing wireless accessories (where present) (cont.) Logging on the wireless outside temperature sensor 1. Open the enclosure of the outside temperature sensor. 2. Briefly press on the outside temperature sen- sor. While the connection is being established, LED on the outside temperature sensor briefly flashes red.
  • Page 62 Commissioning, inspection, maintenance Pairing wireless accessories (where present) (cont.) Input wireless code Heating circuit selection Enter wireless code and Heating circuit 1 confirm with OK. Heating circuit 2 ç Heating circuit 3 ç Fig. 59 Fig. 61 Enter the 3-digit wireless key. The wireless key is Select the heating circuits that are to be operated displayed on the control unit.

  • Page 63: Naming The Heating Circuits

    Commissioning, inspection, maintenance Naming the heating circuits In the delivered condition, the heating circuits are des- Enter names for heating circuits: ignated "Heating circuit 1", "Heating circuit 2" and Operating instructions "Heating circuit 3" (if installed). If the system user prefers, the heating circuits can be designated differently to suit the specific system.
  • Page 64 Commissioning, inspection, maintenance Checking the static pressure and supply pressure (cont.) 9. Open the gas shut-off valve and start the appli- ance. Danger Gas escaping from the test connector leads to a risk of explosion. Check gas tightness at test connector On the fuel cell module Fig.

  • Page 65: Function Sequence And Possible Faults (Gas Condensing Module)

    Commissioning, inspection, maintenance Checking the static pressure and supply pressure (cont.) Supply pressure (flow pressure) Steps Below 17.4 mbar (1.74 kPa) Do not commission the appliance. Notify your gas supply utility. 17.4 to 25 mbar (1.74 to 2.5 kPa) Commission the appliance. Above 25 mbar (2.5 kPa) Connect the separate gas pressure governor upstream of the system and set the pre-charge pressure to 20 mbar (2.0 kPa).

  • Page 66: Preparing The Fuel Cell Module For Commissioning

    Commissioning, inspection, maintenance Function sequence and possible faults (gas… (cont.) Automatic calibration of Fault E3 Ensure adequate heat trans- the combustion controller fer. Press reset button R. Fault Eb Check gap between ionisa- tion electrode and burner gauze assembly. Check allocation of gas type (coding address 82, gas train setting).
  • Page 67 Commissioning, inspection, maintenance Preparing the fuel cell module for commissioning (cont.) ITEM STATE Fig. 66 Function display No function Status Power supply indicator Commissioning indicator (flashing or constant) Fault indicator Confirm selection/adjustment Commissioning/maintenance indicator Select/adjust value Power generation indicator Note The display switches off when, in standard mode (economy mode), no input has been made for 1 min.

  • Page 68: Changing The Gas Type On The Fuel Cell Module

    Commissioning, inspection, maintenance Preparing the fuel cell module for commissioning (cont.) Starting the fuel cell module (Commissioning/maintenance operating mode) ITEM STATE Fig. 67 1. Remove cover 3. Press SET. "oFF" flashes. 2. Turn ON/OFF switch on the fuel cell module to "I".

  • Page 69: Adjusting Country Settings For Grid Monitoring On The Fuel Cell Module

    Commissioning, inspection, maintenance Adjusting country settings for grid monitoring on the fuel cell module "Commissioning/maintenance" operating mode 4. Press SET to confirm. must be enabled (MNT illuminates). 5. Hold down SET until "END" and "nd" are dis- 1. Select "80" using / . played.
  • Page 70 Wait until cooling mode has terminated and the mode. "n2" message disappears. This process takes about 90 min. Fuel cell fault Inform Viessmann Technical Services. Commissioning process Since the complete commissioning process requires Note some time, there are two different ways in which it can Stopping commissioning (in emergency only).
  • Page 71 Commissioning, inspection, maintenance Commissioning the fuel cell module (cont.) 2. Press SET. Commissioning mode 1 is activated. 4. When "05" is displayed under STATE, the filling Under ITEM, a dot will flash while commissioning process has finished and the start phase will com- mode 1 is active.
  • Page 72 Commissioning, inspection, maintenance Commissioning the fuel cell module (cont.) 2. Press SET. Commissioning mode 3 is activated. 4. The filling process has been completed when Under ITEM, a dot will flash while commissioning "End" flashes under STATE. mode 3 is active. ITEM STATE ITEM...

  • Page 73: Activating Start Time Optimisation

    Commissioning, inspection, maintenance Commissioning the fuel cell module (cont.) Quitting "Commissioning/maintenance" mode 1. Select "01" under ITEM using / . 4. Press SET to confirm. The MNT indicator extinguishes. 2. Press SET to confirm. 3. Select "OFF" in SET using / . Activating start time optimisation Values for start time optimisation captured during com- 3.

  • Page 74: Setting The Max. Heating Output (Gas Condensing Module)

    Set code "81:3". Control unit transmits outside Control unit receives outside — temperature. temperature. Set code "97:2". Set code "97:1". Viessmann system number. Viessmann system number. — Code "98:1" Code "98:1" LON subscriber fault monitor- LON subscriber fault moni- LON subscriber fault —...

  • Page 75: Tightness Test Of Balanced Flue System (Annular Gap Test)

    Commissioning, inspection, maintenance Setting the max. heating output (gas condensing… (cont.) 4. "Change?" Select "Yes". A value is shown on the display (e.g. "85"). In the delivered condition, this value represents 100 % of rated heating output. 5. Set the required value. Tightness test of balanced flue system (annular gap test) Fig.

  • Page 76: Removing The Burner (Gas Condensing Module)

    Commissioning, inspection, maintenance Removing the burner (gas condensing module) Fig. 70 1. Switch OFF the power supply and the ON/OFF 4. Undo gas supply pipe fitting switch at the control unit. 5. Undo four screws and remove the burner. 2. Close the gas shut-off valve and safeguard against reopening.

  • Page 77: Checking The Burner Gasket And Burner Gauze Assembly (Gas Condensing Module)

    Commissioning, inspection, maintenance Checking the burner gasket and burner gauze assembly (gas condensing module) Fig. 71 Check burner gasket and burner gauze assembly for possible damage and replace if required. 1. Remove electrodes 5. Fit thermal insulation ring 2. Undo 2 retaining clips on thermal insulation ring 6.

  • Page 78: Checking The Back Draught Safety Device

    Commissioning, inspection, maintenance Checking the back draught safety device 1. Undo two screws and remove fan 2. Remove back draught safety device 3. Check the damper and gasket of the back draught safety device for soiling and damage. Replace if necessary.

  • Page 79: Checking Condensate Drain And Cleaning The Trap (Gas Condensing Module)

    Commissioning, inspection, maintenance Cleaning heating surfaces (gas condensing… (cont.) Note Discolouration on the heat exchanger surface is a nor- mal sign of use. It has no bearing on the function and service life of the heat exchanger. The use of chemical cleaning agents is not required. 1.

  • Page 80: Fitting The Burner (Gas Condensing Module)

    Commissioning, inspection, maintenance Checking condensate drain and cleaning the trap… (cont.) 6. Fill bottle 8. Check that the condensate pipe is correctly with water and reattach with retaining clip attached to the trap and heat exchanger. 7. Reconnect drain hose Note Route the drain hose without any bends and with a constant fall.

  • Page 81: Cleaning The Air Intake On The Fuel Cell Module

    Commissioning, inspection, maintenance Cleaning the air intake on the fuel cell module Remove dirt from air intake with a vacuum cleaner. Fig. 77 2-yearly maintenance of fuel cell module Draining the distilled water Note This is required for the following maintenance work. The fuel cell module must be in service mode.
  • Page 82 Commissioning, inspection, maintenance 2-yearly maintenance of fuel cell module (cont.) 01. If these have not yet been actioned: Set service 07. Select "22" using / . mode (see page 75). 08. Press and hold SET for at least 3 s. Note Under STATE, "01"...
  • Page 83 "34" will appear on the display. In such a case, inform Viessmann Technical Services. 4. Press and hold SET for at least 3 s. 1. Turn on the ON/OFF switch on the fuel cell mod- "_CL"...
  • Page 84 Commissioning, inspection, maintenance 2-yearly maintenance of fuel cell module (cont.) 03. Press SET. A dot will flash under ITEM (commis- 07. When "05" is displayed under STATE, the filling sioning mode 1 enabled). process has finished and the start phase will com- mence.
  • Page 85 Commissioning, inspection, maintenance 2-yearly maintenance of fuel cell module (cont.) Checking the diaphragm expansion vessel and system pressure Fig. 80 Note 3. If the charge pressure of the diaphragm expansion Carry out this test on a cold system. vessel is lower than this, recharge with nitrogen via The system must be shut down.

  • Page 86: Yearly Maintenance Of Fuel Cell Module

    5-yearly maintenance of fuel cell module The 5-yearly maintenance work is carried out by A notification will appear in the control unit display. Viessmann Technical Services. Checking the external diaphragm expansion vessel (heating circuit) and system pressure Note 2.

  • Page 87: Checking For Tightness The Gas-Bearing Parts Of The Gas Condensing Module And Connections To The Fuel Cell Module Under Operating Pressure

    Commissioning, inspection, maintenance Checking for tightness the gas-bearing parts of the gas condensing module and connections to the fuel cell module under operating pressure Danger Note Escaping gas leads to a risk of explosion. Only use suitable and approved leak detection agents Check all gas equipment for tightness.

  • Page 88: Checking The Flue System For Unrestricted Flow And Tightness

    Commissioning, inspection, maintenance Checking the combustion quality (cont.) 5. Enter the actual value into the report. 3. Select the lower heating output: Select "Base load OFF". Then "Base load ON" 6. Set the upper heating output (see page 88). appears and the burner operates at its lower heating output.
  • Page 89 Commissioning, inspection, maintenance Adjusting the heating curves (cont.) Slope -5 -10 -15 -20 Outside temperature in °C Fig. 82 Slope setting ranges: Reduced set room temperature ■ Underfloor heating systems: 0.2 to 0.8 ■ Low temperature heating systems: 0.8 to 1.6 Selecting the set room temperature Individually adjustable for each heating circuit.

  • Page 90: Calling Up And Resetting "Service" On The Programming Unit Of The Gas Condensing Module

    Commissioning, inspection, maintenance Adjusting the heating curves (cont.) Extended menu: å 2. "Heating" 3. Select heating circuit. 4. "Heating curve" 5. "Slope" or "Level" 6. Select heating curve according to the system requirements. Outside temperature in °C Fig. 85 Changing the slope Changing the level (vertical parallel offset of the heating curve) Calling up and resetting "Service"...

  • Page 91: Instructing The System User

    Commissioning, inspection, maintenance Instructing the system user The system installer should hand the operating instruc- tions to the system user and instruct the user in oper- ating the system. This includes all components installed as accessories, e.g. remote control units. In addition, the system instal- ler must make the user aware of the required mainte- nance work.

  • Page 92: Codes Coding Level 1

    Codes Coding level 1 Calling up coding level 1 On weather-compensated control units, codes are 4. Select the coding address. ■ displayed as plain text. ■ Codes that are not assigned, due to the heating sys- 5. Set the value according to the following tables and tem equipment level or the setting of other codes, confirm with OK.

  • Page 93: Boiler

    Codes Coding level 1 (cont.) Coding in the delivered condition Possible change Function, internal circulation pump 51:0 The internal circulation pump al- 51:1 System with low loss header: ways starts when there is a heat The internal circulation pump only demand.

  • Page 94: Dhw

    Codes Coding level 1 (cont.) Coding in the delivered condition Possible change Service interval in months 23:0 No time set for burner service in- 23:1 Interval adjustable from 1 to terval 24 months 23:24 Service status 24:0 "Service" not shown on the dis- 24:1 "Service"...
  • Page 95 Codes Coding level 1 (cont.) Parameter address A5:... With heating circuit pump logic function: Heating circuit pump "OFF" > – > – Coding in the delivered condition Possible change Extended economy function, adjusted outdoor temperature A6:36 Extended economy mode disa- A6:5 Extended economy mode enabled: bled...
  • Page 96 Codes Coding level 1 (cont.) Parameter address With heating circuit pump logic function: b5:... Heating circuit pump "OFF" Heating circuit pump "ON" + 5 K < RT + 4 K > actual actual + 4 K < RT + 3 K >...
  • Page 97 Codes Coding level 1 (cont.) Coding in the delivered condition Possible change Min. pump speed E7:30 Only for heating systems without a E7:0 Minimum speed adjustable from 0 to heating circuit with mixer: 100 % of maximum speed Min. speed of the internal variable E7:100 speed heating circuit pump: 30 % of max.

  • Page 98: Coding Level 2

    Codes Coding level 2 Calling up coding level 2 In coding level 2 all codes are accessible. 5. Select the coding address. ■ Codes that are not assigned, due to the heating sys- ■ tem equipment level or the setting of other codes, 6.
  • Page 99 Codes Coding level 2 (cont.) Coding in the delivered condition Possible change 11:≠9 No access to the coding addresses 11:9 Access to the coding addresses for for the parameters of the combus- the parameters of the combustion tion controller controller open 2A:0 Without wireless outside tempera- 2A:1...
  • Page 100 Codes Coding level 2 (cont.) Coding in the delivered condition Possible change Internal circulation pump function: Coding address "3F" in this group. 3b:3 Function of input DE2: External blocking. Internal circulation pump function: Coding address "3E" in this group. 3b:4 Function of input DE2: External blocking with fault message input Internal circulation pump function:...
  • Page 101 Codes Coding level 2 (cont.) Coding in the delivered condition Possible change The internal circulation pump only starts upon heat demand if the burn- er is active. The circulation pump stops on expiry of the run-on time. 51:2 System with heating water buffer cylinder: The internal circulation pump only starts upon heat demand if the burn-...
  • Page 102 The control unit sends the outside unit is used internally. temperature to the Vitotronic 200-H. 98:1 With LON communication module: 98:1 System number adjustable from 1 to Viessmann system number in con- junction with monitoring several 98:5 systems via Vitocom 300 99:0 Never adjust 9A:0...

  • Page 103: Boiler

    Codes Coding level 2 (cont.) "Boiler" Select "Boiler" (see page 98). Coding Coding in the delivered condition Possible change 04:1 Minimum burner pause time sub- 04:0 Minimum burner pause time set per- ject to boiler load (specified by manently (specified by boiler coding boiler coding card) card) 04:2...
  • Page 104 Codes Coding level 2 (cont.) Coding Coding in the delivered condition Possible change 56:0 Set DHW temperature adjustable 56:1 Set DHW temperature adjustable from 50 to 60 °C from 50 to 60 °C Note Maximum value subject to boiler coding card. Observe the maximum permissible DHW temperature.

  • Page 105: Heating Circuit

    Codes Coding level 2 (cont.) "Heating circuit ..." Select "Heating circuit ..." (see page 98). Coding Coding in the delivered condition Possible change A0:0 Without remote control A0:1 With Vitotrol 200-A/200-RF in con- junction with an external wireless base station (recognised automati- cally) A0:2 With Vitotrol 300-A/300-RF or...
  • Page 106 Codes Coding level 2 (cont.) Coding in the delivered condition Possible change A4:0 With frost protection A4:1 No frost protection; this setting is on- ly possible if code "A3: 9" has been – set. Please note "Important": Observe for cod- ing address "A3".
  • Page 107 Codes Coding level 2 (cont.) Coding in the delivered condition Possible change A9:7 With pump idle time: heating circuit A9:0 Without pump idle time pump "OFF" when set value is A9:1 With pump idle time, adjustable from modified by changing the operating 1 to 15.
  • Page 108 Codes Coding level 2 (cont.) Coding in the delivered condition Possible change d5:0 With external heating program d5:1 Operating program switches to "con- changeover. stant operation with standard room Observe settings of coding ad- temperature". dresses "3A", "3b" and "3C" in "General"...
  • Page 109 Codes Coding level 2 (cont.) Coding in the delivered condition Possible change 30 % of max. speed (only for weather-compensated control units) E8:1 Only for heating systems without a E8:0 Speed corresponding to setting in heating circuit with mixer: coding address "E7" Min.

  • Page 110: Diagnosis And Service Gas Condensing Module

    Diagnosis and service scans Gas condensing module Service menu Calling up the service menu Note Do not adjust menu point "Multi boiler system". 1. Press OK and simultaneously for approx. 4 s. The menu point changes the function of the control å...

  • Page 111: Diagnosis

    Diagnosis and service scans Gas condensing module (cont.) Diagnosis Calling up operating data 2. "Diagnosis" Operating data can be called up in six areas. See 3. "Reset data" "Diagnosis" in the service menu overview. Operating data on heating circuits with mixer and solar 4.

  • Page 112: Checking Outputs (Actuator Test)

    Diagnosis and service scans Gas condensing module (cont.) Row (brief Field scan) Heating circuit A1 (without Heating circuit M2 (with Heating circuit M3 (with mix- mixer) mixer) Remote con- Software ver- Remote con- Software ver- Remote con- Software ver- trol sion, remote trol sion, remote...

  • Page 113: Fuel Cell Module

    System separation Output 173 on differential temperature controller CU 125 enabled pump Fuel cell module Calling up power generated Operating instructions for Vitovalor 300-P Calling up operating condition Operating instructions for Vitovalor 300-P Calling up grid monitoring parameters ITEM STATE Fig.

  • Page 114: Resetting Fuel Cell Module Data

    Diagnosis and service scans Fuel cell module (cont.) 2. On programming unit , select the required dis- play (81 to 85) under ITEM using / . In displays 81 to 85, the set value and the response time are shown alternately. For an explanation of the displays, see the follow- ing table: ITEM...

  • Page 115: Troubleshooting Fault Display On Gas Condensing Module

    Troubleshooting Fault display on gas condensing module Calling up acknowledged faults In the event of a fault, the red fault indicator flashes. In the display, " " flashes and "Fault" is shown. In the standard menu, select "Fault". Current faults will be listed.
  • Page 116 Fuel cell module shut down Communication error with Check LON connection fuel cell Fuel cell module shut down Fuel cell fault Inform Viessmann Technical Serv- ices Circulation pump for dis- Short circuit on return Check the return temperature sen- charging buffer stopped...
  • Page 117 Troubleshooting Fault codes for gas condensing module (cont.) Fault code dis- System characteristics Cause Measures played Circulation pump for dis- Lead break on top buffer Check top buffer temperature sen- charging buffer stopped temperature sensor sor (see page 130). Circulation pump for dis- Short circuit on bottom Check bottom buffer temperature charging buffer stopped...
  • Page 118 Troubleshooting Fault codes for gas condensing module (cont.) Fault code dis- System characteristics Cause Measures played Control mode without remote Communication error, Check connections, cable and cod- control Vitotrol remote control, ing address "A0" in group "Heat- heating circuit 1 (without ing circuit ...", and check remote mixer) control configuration (see...
  • Page 119 Troubleshooting Fault codes for gas condensing module (cont.) Fault code dis- System characteristics Cause Measures played Control mode Communication error, Check LON communication mod- No communication via LON LON communication mod- ule and replace if required. If no LON communication module is installed, set code "76:0"...
  • Page 120 Troubleshooting Fault codes for gas condensing module (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Ionisation current too low Check ionisation electrode: during calibration Distance to burner gauze assem- ■ bly (see page 78) Electrode soiled ■...
  • Page 121 Troubleshooting Fault codes for gas condensing module (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Flame is lost immediately Check gas supply (gas pressure after it has built (during and gas flow switch). safety time). Check balanced flue system for flue gas recirculation.

  • Page 122: Fault Display, Fuel Cell Module

    Troubleshooting Fault codes for gas condensing module (cont.) Fault code dis- System characteristics Cause Measures played Burner blocked or in a fault Coding card or main PCB Press reset R. If the fault persists, state faulty, or incorrect coding check the coding card and replace card coding card or control unit.

  • Page 123: Fault Messages

    A8F0 No power generation Gas supply interrup- Check gas supply. Other fault mes- Inform Viessmann Technical Services. sages Repairs (gas condensing module) Putting the control unit into the service position If required for commissioning and servicing, the control unit can be put into a different position.
  • Page 124 Troubleshooting Repairs (gas condensing module) (cont.) Draining gas condensing module on the heating water side Fig. 92 1. Shut off the connections on the heating water side. 3. Open drain valve 2. Attach a hose to drain valve and connect to a drain.
  • Page 125 Troubleshooting Repairs (gas condensing module) (cont.) Draining the fuel cell module on the heating water side Fig. 94 1. If these have not yet been actioned: Set service 2. Place a shallow container of sufficient size (min. mode (see page 75). 5 l) below drain port Note 3.

  • Page 126: Checking The Outside Temperature Sensor

    Troubleshooting Repairs (gas condensing module) (cont.) 2. To vent, open a draw-off point in the domestic sys- 4. Attach a hose to connection and connect to a tem. drain. 3. Undo the cap at connection 5. Turn quadrant to the correct position. Checking the outside temperature sensor Fig.

  • Page 127: Checking The Boiler Water Temperature Sensor, Cylinder Temperature Sensor Or Flow Temperature Sensor Of Low Loss Header

    Troubleshooting Repairs (gas condensing module) (cont.) Checking the boiler water temperature sensor, cylinder temperature sensor or flow temperature sensor of low loss header Fig. 98 ■ Boiler water temperature sensor Pull off leads from boiler water temperature sen- and check resistance. ■...

  • Page 128: Checking The Outlet Temperature Sensor

    Troubleshooting Repairs (gas condensing module) (cont.) Checking the outlet temperature sensor Fig. 100 1. Pull leads from outlet temperature sensor 2. Check sensor resistance and compare it to the curve. 3. In the event of severe deviation replace the sensor. Danger The outlet temperature sensor is directly immersed in the DHW (risk of scalding).

  • Page 129: Checking The Return Temperature Sensor

    Troubleshooting Repairs (gas condensing module) (cont.) Checking the return temperature sensor Fig. 102 1. Pull leads from return temperature sensor 2. Check sensor resistance and compare it to the curve. 3. In the event of severe deviation replace the sensor. Danger The return temperature sensor is in direct contact with the heating water (risk of scald-...

  • Page 130: Checking The Buffer Temperature Sensor

    Troubleshooting Repairs (gas condensing module) (cont.) Checking the buffer temperature sensor Fig. 104 1. Pull plug A or B from the differential tempera- ture controller. 2. Check sensor resistance and compare it to the curve. 3. In the event of severe deviation replace the sensor. 10 30 50 70 90 110 Temperature in °C Fig.

  • Page 131: Checking The Flue Gas Temperature Sensor

    Troubleshooting Repairs (gas condensing module) (cont.) Fig. 106 1. Shut off and drain the boiler on the heating water 5. Undo two screws and remove plate heat and DHW sides. exchanger by pulling forwards. 2. Release side fasteners and pivot control unit for- 6.
  • Page 132 Troubleshooting Repairs (gas condensing module) (cont.) Fig. 107 1. Pull leads from flue gas temperature sensor 2. Check sensor resistance and compare it to the curve. 3. In the event of severe deviation replace the sensor. 10 30 50 70 90 110 Temperature in °C Fig.

  • Page 133: Checking The Temperature Limiter

    Troubleshooting Repairs (gas condensing module) (cont.) 3. Press reset button R and repeat commissioning. The check is repeated until it is completed suc- cessfully. Checking the temperature limiter If the burner control unit cannot be reset after a fault shutdown although the boiler water temperature is below approx.

  • Page 134: Checking The Fuse/Mcb

    Troubleshooting Repairs (gas condensing module) (cont.) Checking the fuse/MCB Fig. 110 1. Switch off the power supply. 3. Remove cover 2. Release the side closures and pivot the control unit 4. Check fuse F1 (see connection and wiring dia- down. gram).

  • Page 135: Checking The Vitotronic 200-H (Accessories)

    Troubleshooting Repairs (gas condensing module) (cont.) 2. At plug , swap the cores at terminals " " and " ". 3. Refit the casing cover. Check flow temperature sensor 1. Disconnect plug (flow temperature sensor). 2. Check the sensor resistance and compare it to the curve.
  • Page 136 Troubleshooting Repairs (gas condensing module) (cont.)

  • Page 137: Parts Lists 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. 113 Type plate Buffer cylinder Casing...

  • Page 138: Casing Assembly

    Parts lists Casing assembly 0003 0011 0014 0001 0004 0007 0001 0003 0001 0005 0003 0001 0005 0005 0015 0005 0003 0005 0009 0003 0006 0006 0013 0016 0012 0003 0010 0003 0008 0003 0002 Fig. 114...
  • Page 139 Adjustable foot 0003 Location stud (2 pce) 0004 Toggle fastener set (4 pce) 0005 Profiled seal 15 l = 520 0006 Viessmann logo 0007 Side panel, left PLB 0008 Side panel, right PLB 0009 Front panel, top PLB 0010 Front panel, bottom PLB...

  • Page 140: Heat Cell Assembly

    Parts lists Heat cell assembly 0035 0007 0007 0044 0048 0047 0007 0019 0007 0005 0011 0007 0031 0019 0045 0011 0048 0032 0004 0031 0006 0008 0033 0020 0051 0006 0007 0010 0026 0047 0008 __ 0008 0049 0015 0019 0009 0020...
  • Page 141 Parts lists Heat cell assembly (cont.) Pos. Part 0001 Condensate hose 0002 Thermal circuit breaker 0003 Temperature sensor 0004 Quick-action air vent valve G 3/8 0005 Flue gas temperature sensor 0006 Plug-in connector retainer (2 pce) 0007 Flue gasket 80 Viton 0008 O-ring 20.63 x 2.62 (5 pce) 0009...
  • Page 142 Parts lists Heat cell assembly (cont.) Pos. Part 0046 Ventilation air gasket DN 125 0047 Inspection bend cover with gasket 80/125 0048 Inspection cover internal bend 0049 Felt strip 100 x 50 x 2 (2 pce) 0050 Pipe clip 0051 Air vent valve G 3/8 0052 Hose 10 x 1.5 x 1500...
  • Page 143 Parts lists Heat cell assembly...

  • Page 144: Burner Assembly

    Parts lists Burner assembly 0019 0015 0018 0009 0015 0019 0008 0007 0005 0005 0003 0004 0001 0019 0005 0025 0016 0028 0008 0009 0024 0008 0003 0003 0006 0011 0020 0011 0003 0010 0002 0023 0007 0003 0003 0014 0011 0001 0022...
  • Page 145 Parts lists Burner assembly (cont.) Pos. Part 0001 Diaphragm back draught safety device 0002 Blade terminal (10 pce) 0003 Gasket A 17 x 24 x 2 (5 pce) 0004 Cylinder burner gauze assembly 0005 Burner gauze assembly gasket 0006 Ignition electrode 0007 Gasket, ionisation electrode (5 pce) 0008...

  • Page 146: Heat Cell Hydraulic Assembly

    Parts lists Heat cell hydraulic assembly 0013 0006 0005 0017 0009 0018 0007 0025 0017 0022 0005 0031 0006 0009 0027 0007 0007 0017 0017 0029 0031 0020 0014 0014 0012 0017 0031 0012 0011 0009 0027 0014 0009 0031 0007 0012 0009...
  • Page 147 Parts lists Heat cell hydraulic assembly (cont.) Pos. Part 0001 Pressure gauge 0 to 4 bar 0002 Temperature sensor 0003 Quick-action air vent valve G 3/8 0004 Air vent valve G 3/8 0005 Pipe clips (2 pce) 0006 O-ring 17.86 x 2.62 (5 pce) 0007 Gasket A 17 x 24 x 2 (5 pce) 0008...

  • Page 148: External Connection Assembly

    Parts lists External connection assembly 0002 0001 0004 0001 0002 0003 0003 Fig. 118...
  • Page 149 Parts lists External connection assembly (cont.) Pos. Part 0001 0002 Gasket A 17 x 24 x 2 (5 pce) 0003 Gasket A 10 x 15 x 1.5 (5 pce) 0004 Corrugated pipe, back, heat exchanger...

  • Page 150: Buffer Cylinder Assembly

    Parts lists Buffer cylinder assembly 0013 0012 0014 0023 0014 0003 0002 0004 0002 0002 0003 0019 0004 0018 0005 0007 0003 0013 0006 0003 0014 0005 0008 0019 0015 0001 0007 0014 0005 0002 0017 0008 0022 0004 0001 0024 0005 0002...
  • Page 151 Parts lists Buffer cylinder assembly (cont.) Pos. Part 0001 Sensor retainer 0002 Plug-in connector retainer (2 pce) 0003 O-ring 17.86 x 2.62 (5 pce) 0004 Gasket A 17 x 24 x 2 (5 pce) 0005 Gasket A 11.5 x 18.5 x 2 (5 pce) 0006 Gasket A 10 x 15 x 1.5 (5 pce) 0007...

  • Page 152: Dhw Cylinder Assembly

    Parts lists DHW cylinder assembly 0015 0009 0012 0012 0011 0006 0001 0008 0010 0011 0010 0005 0013 0001 0004 0014 0003 0009 0018 0017 0004 0005 0018 0006 0007 0014 0006 0006 0007 0008 0002 0002 0016 0006 0007 Fig.
  • Page 153 Parts lists DHW cylinder assembly (cont.) Pos. Part 0001 Strain relief 0002 Temperature sensor 0003 Cylinder temperature sensor NTC l = 500 0004 Plug-in connector retainer (2 pce) 0005 O-ring 17.86 x 2.62 (5 pce) 0006 Gasket A 17 x 24 x 2 (5 pce) 0007 Clip 8 (5 pce)

  • Page 154: Miscellaneous Assembly

    Parts lists Miscellaneous assembly 0004 0005 0003 0002 0001 0006 Fig. 121...
  • Page 155 Parts lists Miscellaneous assembly (cont.) Pos. Part 0001 Operating instructions 0002 Installation and service instructions 0003 Heat conducting paste 0004 Touch-up spray paint, Vitosilver, 150 ml can 0005 Touch-up paint stick, Vitosilver 0006 Special grease...

  • Page 156: Vitovalor Vbc 132 Control Unit Assembly

    Parts lists Vitovalor VBC 132 control unit assembly 0008 0002 0005 0008 0015 0001 0003 0015 0027 0014 0005 0004 0017 0015 0006 0018 0010 0011 0012 0020 0021 0022 0023 0024 0025 0026 Fig. 122...
  • Page 157 Parts lists Vitovalor VBC 132 control unit assembly (cont.) Pos. Part 0001 Control unit VBC132-D21.0xx 0002 Casing back panel 0003 Coding card 2681:02F2 0004 Fuse, 6.3 A (slow), 250 V (10 pce) 0005 Locking handle 0006 Programming unit 0008 PCB IU100-B30 0010 Cable harness X8/X9/ion 0011...

  • Page 158: Vitovalor Vuc 170 Control Unit Assembly

    Parts lists Vitovalor VUC 170 control unit assembly 0001 0015 0015 0003 0004 0002 0005 0014 0016 0006 0007 0008 0009 0010 0011 0012 0013 Fig. 123...
  • Page 159 Parts lists Vitovalor VUC 170 control unit assembly (cont.) Pos. Part 0001 Control unit VUC170-A10.0xx 0002 Process controller CU125-A40 (differential temperature regulator) 0003 Base module, Vitocom 300, type LAN3 0004 Power supply unit, accessories 0005 PCB, distribution board with fuse 0006 Power cable, power supply unit 0007...

  • Page 160: Fuel Cell Assembly

    Parts lists Fuel cell assembly Parts not shown 0009 PCB IU100-B30...
  • Page 161 Parts lists Fuel cell assembly (cont.)
  • Page 162 Parts lists Fuel cell assembly (cont.) 0002 0001 0004 0004 0005 0003 0004 0006 0007 0005 0008 Fig. 124...
  • Page 163 Parts lists Fuel cell assembly (cont.) Pos. Part 0001 Distilled water 5 l 0002 4-pole 3-phase meter with M-Bus (not for GB) 0003 Front panel, fuel cell 0004 Location stud (2 pce) 0005 Panasonic logo 0006 Distilled water filter element 0007 Air filter 0008...

  • Page 164: Function Description Control Unit

    Function description Control unit Boiler water temperature 48 °C Heating Fuel cell Information Select with Fig. 125 Heating mode The control unit determines a set boiler water tempera- The electronic temperature limiter inside the burner ture subject to outside temperature or room tempera- control unit limits the boiler water temperature.

  • Page 165: Boosting Dhw Heating

    Function description Control unit (cont.) The heating circuit pump is switched ON and the 3- DHW is regulated to the set temperature via the outlet way diverter valve is changed over, if the cylinder tem- temperature sensor. perature sensor captures a temperature lower than the After the draw off process has ended the loading cylin- defaulted set value.

  • Page 166: Internal H2 Extension (Accessories)

    Function description Internal H2 extension (accessories) Fig. 127 The internal extension can be installed in the control An extractor fan can be switched off via connection unit enclosure in place of internal H1 extension. Con- when the burner starts. nect the internal cylinder loading pump to relay output...

  • Page 167: External Extensions (Accessories)

    Function description External extensions (accessories) AM1 extension Fig. 128 Circulation pump A Power supply for additional accessories fÖ Circulation pump KM BUS Power supply fÖ Functions Select the output functions via the codes on the boiler control unit. One of the following circulation pumps can be connec- ted to each of the connections A1 and A2: Heating circuit pump for heating circuit without mixer ■...

  • Page 168: Ea1 Extension

    Function description External extensions (accessories) (cont.) EA1 extension Fig. 129 MCB/fuse Power supply for additional accessories fÖ Digital input 1 Central fault message/feed pump/DHW circula- Digital input 2 tion pump (potential-free) Digital input 3 Connect DHW circulation pumps with stand- ∼...

  • Page 169: Control Functions

    Function description External extensions (accessories) (cont.) The duration of the changeover is set via coding 1 V is taken as "no set boiler water temperature – address F2 in the "Heating circuit" group. default". ≙ Set value 10 °C ≙ Effect of external blocking function on the pumps 10 V Set value 100 °C...

  • Page 170: External Blocking

    Function description Control functions (cont.) Heating program changeover Code Changeover via input DE1 d8:1 Changeover via input DE2 d8:2 Changeover via input DE3 d8:3 You can select the direction of the operating program changeover in coding address "d5" in the "Heating circuit"...

  • Page 171: Venting Program

    Function description Control functions (cont.) External demand Code Input DE1 3A:2 Input DE2 3b:2 Input DE3 3C:2 The effect on the internal circulation pump is selected The set minimum boiler water temperature for external in coding address "3F" in the "General" group. demand is selected in coding address "9b"...
  • Page 172 Function description Control functions (cont.) Temperature profile 1: (EN 1264-4) code "F1:1" Days Fig. 130 Temperature profile 2: (ZV parquet and flooring technology) code "F1:2" Days Fig. 131 Temperature profile 3: Code "F1:3" Days Fig. 132 Temperature profile 4: Code "F1:4" Days Fig.

  • Page 173: Raising The Reduced Room Temperature

    Function description Control functions (cont.) Temperature profile 6: Code "F1:6" Days Fig. 135 Ends after 21 days Temperature profile 7: Code "F1:15" Days Fig. 136 Raising the reduced room temperature During operation at reduced room temperature, the The outside temperature limits for the start and end of reduced set room temperature can be automatically temperature raising can be set in coding addresses raised subject to the outside temperature.

  • Page 174: Reducing The Heat-Up Time

    Function description Control functions (cont.) Example using the settings in the delivered condition Outside temperature in °C Fig. 137 Heating curve for operation with standard room temperature Heating curve for operation with reduced room temperature Reducing the heat-up time During the transition from operation with reduced room The value and duration for the additional increase of temperature to operation with standard room tempera- the set boiler water or flow temperature is selected in...

  • Page 175: Assigning Heating Circuits To The Remote Control

    Function description Control functions (cont.) Example using the settings in the delivered condition Time Fig. 138 Start of operation with standard room temperature Set boiler water or flow temperature in accordance with the selected heating curve Set boiler water or flow temperature in accordance with coding address "FA": 50 °C + 20 % = 60 °C Duration of operation with raised set boiler water...

  • Page 176: Electronic Control Unit On The Peak Load Boiler

    Function description Electronic control unit on the peak load boiler The electronic combustion controller utilises the physi- To check the combustion quality, the CO content or cal correlation between the level of the ionisation cur- the O content of the flue gas is measured. The pre- rent and the air ratio .

  • Page 177: Connection And Wiring Dia-Connection Diagram, Internal (Gas Condensing Module)

    Connection and wiring diagram Connection diagram, internal (gas condensing module) Fig. 139 Main PCB Stepper motor for diverter valve dÖ X... Electrical interfaces Thermal circuit breaker Boiler water temperature sensor § Ignition unit Outlet temperature sensor Fan motor a-Ö Cylinder temperature sensor (plug on cable har- A Fan motor control a-Ö...

  • Page 178: Gram Connection Diagram, External (Gas Condensing Module)

    Connection and wiring diagram Connection diagram, external (gas condensing module) Fig. 140 Main PCB Flow temperature sensor, low loss header Switching mode power supply Cylinder temperature sensor (plug on cable har- Optolink ness) Burner control unit Internal circulation pump sÖ Programming unit Cylinder loading pump Coding card...

  • Page 179: Differential Temperature Controller

    Connection and wiring diagram Differential temperature controller Fig. 141 Main PCB Return temperature sensor X... Electrical interfaces Power supply fÖ A Buffer temperature sensor, top KM-BUS B Buffer temperature sensor, bottom Circulation pump for buffer discharge...

  • Page 180: Commissioning/Service

    Commissioning/service reports Commissioning/service reports Settings and test values Set value Commissioning Maintenance/ service Date Signature Type of fuel cell FC-V75CF1HD FC-V75FS1AD Tick type. Static pressure mbar 57.5 ≤ 5.75 ≤ Supply pressure (flow pressure) for natural gas E mbar 17.4-25 for natural gas LL 1.74-2.5 Tick gas type.

  • Page 181: Specification

    Specification Specification Rated voltage 230 V Rated frequency 50 Hz Rated current Protection class IP rating IP 20 to EN 60529 Permissible ambient temperature Operation +3 to +35 °C ■ Storage and transport 20 to +65 °C – ■ Setting, electronic temperature limiter 82 °C Setting, temperature limiter 100 °C (fixed)

  • Page 182: Disposal Final Decommissioning And Disposal

    Disposal Final decommissioning and disposal Viessmann products can be recycled. Components and substances from the system are not part of ordi- nary household waste. For decommissioning the system, isolate the system from the power supply and allow components to cool down where appropriate.

  • Page 183: Certificates Declaration Of Conformity

    Certificates Declaration of conformity We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole responsible body that the product Vitovalor 300-P, type C3TB complies with the following standards: DIN 4753 EN 15 502-2-1 EN 483 EN 50 465...

  • Page 184: Keyword Index

    Keyword index Keyword index Acknowledging a fault display........115 Electronic combustion controller......176 Air filter, replacing............82 Energy manager............86 Appliance Energy meter..............14 – Aligning..............25 Excess export............18, 19 – Dismantling............. 45 Excess export system..........15 Extension – AM1...............167 Bi-directional meter...... 15, 16, 17, 18, 19, 21 –...
  • Page 185 Keyword index Keyword index (cont.) Handling............... 9 Raising reduced room temperature......173 Heating circuit assignment........175 RCD..............20, 21 Heating curve............. 88 Reduced set room temperature......... 89 Heating curve level.............89 Reducing heat-up output..........173 Heating curve slope........... 89 Reducing heat-up time..........174 Heating surfaces, cleaning........78, 80 Relay test..............112 Heating water, filling...........
  • Page 186 Keyword index Keyword index (cont.) Venting............... 58 Water circuits..............53 Venting program............171 Wireless accessories Vitocom..............73 – Forgetting..............62 Vitotronic 200-H............135 – Pairing..............60 Wireless components, installing.........41 Wiring diagram............177...
  • Page 188 Applicability Serial No.: 7357351 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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