Viessmann Vitodens 222-F Installation Instructions For Contractors
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Viessmann Vitodens 222-F Installation Instructions For Contractors

Gas condensing storage combi boiler natural gas and lpg version
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VIESMANN
Installation and service instructions
for contractors
Vitodens 222-F
Type B2SB, 1.9 to 26.0 kW
Gas condensing storage combi boiler
Natural gas and LPG version
For applicability, see the last page
VITODENS 222-F
Please keep safe.
5778 729 GB
9/2016

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  • Page 1 VIESMANN Installation and service instructions for contractors Vitodens 222-F Type B2SB, 1.9 to 26.0 kW Gas condensing storage combi boiler Natural gas and LPG version For applicability, see the last page VITODENS 222-F Please keep safe. 5778 729 GB 9/2016...
  • Page 2 Hot surfaces can cause burns. Replace faulty components only with genuine ■ Before maintenance and service work, switch Viessmann spare parts. OFF the appliance and let it cool down. Never touch hot surfaces on the boiler, burner, ■ flue system or pipework.
  • Page 3 For replacements, use only original spare parts supplied or approved by Viessmann. Safety instructions for operating the system If you smell gas Condensate Danger...

  • Page 4: Table Of Contents

    Disposal of packaging ................Symbols ....................Intended use ..................Product information ................Vitodens 222-F, type B2SB ..............■ 2. Preparing for installation Preparing for boiler installation .............. Safety assembly to DIN 1988 and EN 806 on the cold water connec- ■...
  • Page 5 Index Index (cont.) Checking the boiler water temperature sensor, cylinder temperature ■ sensor or flow temperature sensor of low loss header ....... 70 Checking the flue gas temperature sensor ......... 71 ■ Checking the temperature limiter ............71 ■ Checking the fuse/MCB ..............72 ■...

  • Page 6: Information Disposal Of Packaging

    Please dispose of packaging waste in line with statu- tory regulations. DE: Use the disposal system organised by 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: Intended Use

    LL. For conversion to LPG P (without con- version kit), see "Commissioning, inspection and main- tenance". The Vitodens 222-F may only be delivered to countries listed on the type plate. For deliveries to other coun- tries, approved contractors must arrange individual approval on their own initiative and in accordance with the law of the country in question.

  • Page 8: Preparing For Installation Preparing For Boiler Installation

    Preparing for installation Preparing for boiler installation Use a connection set or connection kit, available as an Please note accessory, to make the connection on the gas and Avoid damaging the appliance. water sides. Connect all pipework free of load and torque stress.
  • Page 9 Preparing for installation Preparing for boiler installation (cont.) 1. Prepare the connections on the heating water side. Thoroughly flush the heating system. Note Should an additional expansion vessel be required on site, connect this vessel in the heating return. 2. Prepare the connections on the DHW side. Install the safety assembly (accessories or on-site provi- sion) in the cold water line to DIN 1988 and EN 806 (see page 10).

  • Page 10: Safety Assembly To Din 1988 And En 806 On The Cold Water Connection

    Preparing for installation Preparing for boiler installation (cont.) Safety assembly to DIN 1988 and EN 806 on the cold water connection GH D D H L D N K Fig. 4 Safety assembly (accessories for connection sets Drain for unfinished walls) Cold water Safety valve Drinking water filter...

  • Page 11: Installing The Boiler Removing The Front Panels

    Installing the boiler Removing the front panels Fig. 5...

  • Page 12: Siting And Levelling The Boiler

    Installing the boiler Siting and levelling the boiler SW17 Fig. 6 Note Align the boiler flush with the wall.

  • Page 13: Connections On The Heating Water And Dhw Side

    Flue system installation instructions. system" labels enclosed with the technical documenta- tion may only be used in conjunction with the Viessmann flue system made by Skoberne. Connecting several Vitodens to a shared flue sys- Back draught safety device installation instruc-...

  • Page 14: Gas Connection

    Installing the boiler Flue gas connection (cont.) Do not carry out commissioning until the following Danger conditions are met: Leaking or blocked flue systems or an insuffi- ■ Free passage through the flue gas pipes. cient supply of combustion air cause life threat- ■...

  • Page 15: Opening The Control Unit Enclosure

    Installing the boiler Opening the control unit enclosure Fig. 9 Electrical connections 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.

  • Page 16: Routing The Power Cable

    Installing the boiler Electrical connections (cont.) Routing the power cable 230 V~ Fig. 10 Note The power cable (already connected to the control unit) is packed in the appliance behind the control unit. LON communication module (accessories) Main PCB Internal extension (accessories)
  • Page 17 Installing the boiler Electrical connections (cont.) 230V~ 230V~ 3 2 1 Fig. 11 Radio clock receiver Jumper Connections to 230 V~ plugs X21 CO limiter (accessories) Power supply KM-BUS subscriber (accessories) fÖ Power supply for accessories To connect several accessories, see page 20. ■...

  • Page 18: Outside Temperature Sensor

    Installing the boiler Electrical connections (cont.) Outside temperature sensor For fitting the wireless outside temperature sensor Not immediately below balconies or gutters ■ (wireless accessory): ■ Never render over Wireless base station installation and service Outside temperature sensor connection instructions 2-core lead, length max.

  • Page 19: External Blocking Via Switching Contact

    Installing the boiler Electrical connections (cont.) Ensure DC separation between the earth conductor 0 to 1 V No specification for set boiler water and the negative pole of the on-site power source. temperature Set value 10 °C 10 V Set value 100 °C [{{] fÖ...

  • Page 20: Power Supply For Accessories At Plug Lh (230 V ~)

    Installing the boiler Electrical connections (cont.) Power supply for accessories at plug (230 V ~) Where the boiler is sited in a wet room, accessories If the total system current exceeds 6 A, connect one or outside the wet area must not be connected to the more extensions directly to the mains supply via an power supply at the control unit.

  • Page 21: Power Supply Fö

    Installing the boiler Electrical connections (cont.) Power supply fÖ Danger Install an isolator in the power cable to provide ■ Incorrectly executed electrical installations can omnipolar separation from the mains for all active result in injuries from electrical current and in conductors, corresponding to overvoltage cate- appliance damage.

  • Page 22: Closing The Control Unit Enclosure

    Installing the boiler Closing the control unit enclosure Fig. 16 Insert the programming unit (packed separately) into the control unit support. Note The programming unit can also be inserted into a wall mounting base (accessories) near the boiler. Wall mounting base installation instructions...

  • Page 23: Fitting The Front Panels

    Installing the boiler Fitting the front panels Fig. 17...

  • Page 24: Commissioning, Inspec-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....................25 • 2. Filling the heating system....................25 • 3. Filling the DHW cylinder on the DHW side..............26 •...

  • Page 25: Removing The Front Panels

    Commissioning, inspection, maintenance Removing the front panels See page 11. Filling the heating system Fill water According to EN 1717 with DIN 1988-100, as a heat Please note transfer medium for DHW heating, the heating water Unsuitable fill water increases the level of must meet fluid category ≤...

  • Page 26: Filling The Dhw Cylinder On The Dhw Side

    Commissioning, inspection, maintenance Filling the heating system (cont.) 5. If the control unit was already on before filling: 6. Close boiler drain & fill valve ■ Switch ON the control unit. ■ Activate the filling function (see next chapter). ■ Switch OFF the control unit.

  • Page 27: Venting The Boiler

    Commissioning, inspection, maintenance Venting the boiler 1. Close the shut-off valves on the heating water side. 2. Note Only carry out the following tasks with the control unit switched off. Pivot the control unit down. 3. Remove cover panel 4. Push the drain hose onto air vent valve connect to a drain.

  • Page 28: Switching On The Power Supply And The On/Off Switch

    Commissioning, inspection, maintenance Filling the trap with water (cont.) 3. Disconnect corrugated hose 7. Reassemble the trap in reverse order. from lute 4. Turn lute, tilt slightly and pull downwards. 8. Check that the condensate pipe is connected cor- rectly to the trap and heat exchanger. 5.

  • Page 29: Checking The Gas Type

    Commissioning, inspection, maintenance Venting the heating system (cont.) 5. Open the gas shut-off valve. Activating the venting function Service menu 3. Activate the venting function with OK. 1. Press OK and simultaneously for approx. 4 s. "EL on" is shown constantly. å...
  • Page 30 Commissioning, inspection, maintenance Checking the static pressure and supply pressure (cont.) 05. Check the static pressure and record the actual value in the report on page 103. Set value: max. 57.5 mbar (5.75 kPa). 06. Start the boiler. Note During commissioning, the boiler can enter a fault state (fault EE is displayed) because of air in the gas line.

  • Page 31: Function Sequence And Possible Faults

    Commissioning, inspection, maintenance Function sequence and possible faults Display Measure Control unit issues a heat Increase set value and en- demand sure heat is drawn off Fan starts After approx. 51 s fault F9 Check the fan, fan connect- ing cables, power at the fan and fan control Ignition Fault EE...

  • Page 32: Setting The Heating Output

    Commissioning, inspection, maintenance Setting the heating output A limit can be set on the maximum heating output for Service menu heating operation. The limit is set via the modulation 1. Press OK and simultaneously for approx. 4 s. å range. The upper limit of the max. adjustable heating 2.

  • Page 33: Removing The Burner

    Commissioning, inspection, maintenance Removing the burner Fig. 25 1. Turn off the ON/OFF switch on the control unit and 5. Undo the fitting from gas supply pipe the power supply. 6. Undo four screws and remove the burner. 2. Close the gas shut-off valve and safeguard against reopening.

  • Page 34: Checking The Burner Gasket And Burner Gauze Assembly

    Commissioning, inspection, maintenance Checking the burner gasket and burner gauze assembly Check burner gasket and burner gauze assembly for possible damage and replace if required. Fig. 26 1. Remove electrodes 5. Fit thermal insulation ring 2. Undo 2 retaining clips on thermal insulation ring 6.

  • Page 35: Checking And Adjusting The Ignition And Ionisation Electrodes

    Commissioning, inspection, maintenance Checking and adjusting the ignition and ionisation electrodes ±1 Fig. 27 Ignition electrodes Ionisation electrode 1. Check the electrodes for wear and contamination. 3. Check the electrode gaps. If the gaps are not as specified or the electrodes are damaged, replace 2.
  • Page 36 Commissioning, inspection, maintenance Checking the condensate drain and cleaning the… (cont.) Fig. 29 01. Pivot the control unit forwards. Remove cover 06. Clean the internal pipe and the lute of the trap. panel and insulating cover from DHW cylinder. 07. Fill lute with water, refit it and push on corruga- 02.

  • Page 37: Installing The Burner

    Commissioning, inspection, maintenance Installing the burner Fig. 30 1. Insert the burner and tighten screws 4. Connect the electrical cables/leads: diagonally. Torque: 8.5 Nm ■ Fan motor ■ Ionisation electrode 2. Fit gas supply pipe with a new gasket. Gas train ■...

  • Page 38: Checking The Anode Earth Current With An Anode Tester

    Commissioning, inspection, maintenance Checking the anode connection (cont.) Fig. 31 Magnesium anode Earth cable Checking the anode earth current with an anode tester Note We recommend checking the magnesium anode func- tion annually. This function test can be carried out with- out interrupting operation, by measuring the earth cur- rent with an anode tester.

  • Page 39: Draining The Boiler On The Dhw Side

    Commissioning, inspection, maintenance Checking the anode earth current with an anode… (cont.) 3. Connect the tester (up to 5 mA) in series across and earth cable ■ If the current measures 0.3 mA the magnesium > anode is OK. If the current measures < 0.3 mA or if there is no ■...

  • Page 40: Cleaning The Dhw Cylinder

    Commissioning, inspection, maintenance Cleaning the DHW cylinder Note According to EN 806, a visual inspection and (if neces- sary) cleaning must be carried out no later than two years after commissioning, and as required thereafter. Fig. 34 1. Drain the DHW cylinder. 5.

  • Page 41: Reassembling And Filling The Dhw Cylinder

    Commissioning, inspection, maintenance Reassembling and filling the DHW cylinder Fig. 35 1. Reconnect the DHW cylinder to the pipework. 4. Push the earth cable onto the tab. 2. Insert a new gasket underneath the flange cover. 5. Fit the cover. 3.

  • Page 42: Checking The Pre-Charge Pressure And The Dhw Expansion Vessel (If Installed)

    Commissioning, inspection, maintenance Checking the expansion vessel and system… (cont.) Note Check whether the installed diaphragm expansion ves- The diaphragm expansion vessel can lose some sel is adequate for the system water volume. charge pressure over time. When the boiler heats up, the pressure gauge indicator may rise to 2 or 3 bar (0.2 or 0.3 MPa).

  • Page 43: Checking All Gas Equipment For Tightness At Operating Pressure

    Commissioning, inspection, maintenance Checking all gas equipment for tightness at 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. (EN 14291) and devices for the tightness test. Leak detection agents with unsuitable constituents (e.g.

  • Page 44: Matching The Control Unit To The Heating System

    Commissioning, inspection, maintenance Checking the combustion quality (cont.) Selecting higher/lower heating output Service menu 4. Selecting the upper heating output: 1. Press OK and simultaneously for approx. 4 s. press å ä 2. Select " " with and confirm with OK. 5.

  • Page 45: Fitting The Front Panels

    Commissioning, inspection, maintenance Fitting the front panels Fig. 39 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.

  • Page 46: Codes Coding Level 1

    Codes Coding level 1 Calling up coding level 1 Codes that are not assigned, due to the heating sys- 3. "I" flashes on the display for the coding addresses tem equipment level or the setting of other codes, are in Group 1. not displayed.

  • Page 47: Boiler"/Group 2

    Codes Coding level 1 (cont.) Coding in the delivered condition Possible change Subscriber no. 77:1 LON subscriber number (only for 77:2 LON subscriber number adjustable control unit for weather-compensa- from 1 to 99: ted operation) 77:99 1 - 4 = Boiler 5 = Cascade 10 - 90 = Vitotronic 200-H 97 = Vitogate 300, type BN/NB...

  • Page 48: Dhw"/Group 3

    Codes Coding level 1 (cont.) Coding in the delivered condition Possible change Filling/venting 2F:0 Venting program/filling program 2F:1 Venting program enabled disabled 2F:2 Filling program enabled "DHW"/Group 3 Select "3" (see page 46). Coding Coding in the delivered condition Possible change Set DHW temperature reheating suppression 67:40 For solar DHW heating: set DHW...

  • Page 49: Coding Level 2

    Codes Coding level 2 Calling up coding level 2 In coding level 2 all codes are accessible. 3. Select " " with for coding level 2 and confirm ■ Ú Codes that are not assigned, due to the heating sys- ■...
  • Page 50 Codes Coding level 2 (cont.) Coding in the delivered condition Possible change 36:0 Function of output at EA1 ex- 36:1 Function of output : feed pump tension: fault message 36:2 Function of output : DHW circu- lation pump 3A:0 Function, input DE1 at EA1 exten- 3A:1 Function of input DE1: operating sion: not assigned...
  • Page 51 Codes Coding level 2 (cont.) Coding in the delivered condition Possible change Set flow temperature setting: coding address 9b. Internal circulation pump function: coding address 3F. 3C:3 Function of input DE3: external blocking. Internal circulation pump function: coding address 3E 3C:4 Function of input DE3: external blocking with fault message input...
  • Page 52 Codes Coding level 2 (cont.) Coding in the delivered condition Possible change 53:3 Function of terminal : external cir- culation pump for cylinder heating 54:0 Without solar thermal system 54:1 With Vitosolic 100 (automatic recog- nition). 54:2 With Vitosolic 200 (automatic recog- nition).

  • Page 53: Boiler"/Group 2

    Control unit transmits outside tem- unit is utilised internally (only for perature to Vitotronic 200-H control unit for weather-compensa- ted operation) 98:1 Viessmann system number (in 98:1 System number adjustable from 1 to conjunction with monitoring of sev- eral systems via Vitocom 300) 98:5...
  • Page 54 Codes Coding level 2 (cont.) Coding Coding in the delivered condition Possible change 01:1 Do not adjust (only for constant temperature control units) 04:2 Minimum burner pause time sub- 04:0 Minimum burner pause time set per- ject to the boiler load and taking in- manently (specified by boiler coding to account a threshold value card)

  • Page 55: Dhw"/Group 3

    Codes Coding level 2 (cont.) "DHW"/Group 3 Select "3" (see page 49). Coding Coding in the delivered condition Possible change 56:0 Set DHW temperature adjustable 56:1 Set DHW temperature adjustable from 10 to 60 °C from 10 to above 60 °C Note Max.

  • Page 56: Heating Circuit

    Codes Coding level 2 (cont.) Coding in the delivered condition Possible change 6C:100 6F:... Max. heating output for DHW heat- 6F:0 Max. heating output for DHW heat- ing in %; specified by the boiler ing adjustable from min. heating out- coding card 6F:100 put to 100 %...

  • Page 57: Diagnosis And Service Service Menu

    Diagnosis and service scans Service menu Calling up the service menu 1. Press OK and simultaneously for approx. 4 s. å " " flashes on the display. Ü 2. Select required function. See following pages. Exiting the service menu 1. Select "Serv" with Note Ú...
  • Page 58 Diagnosis and service scans Brief scan (cont.) Brief scan Display SNVT configu- Software version Software version ration Communication coprocessor LON communication module 0: Auto 1: Tool Subnet address/system number Node address Burner control unit type Appliance type Diverter valve Flow switch sta- Max.

  • Page 59: Checking Outputs (Actuator Test)

    Diagnosis and service scans Brief scan (cont.) Brief scan Display Solar control module SM1 Stagnation time of the solar thermal system in h Night circulation, solar thermal system (number) Monitoring of differential temperature, solar thermal system Reheating sup- Output 22 switch- pression ing state 0: disabled...

  • Page 60: Troubleshooting Fault Display

    Troubleshooting Fault display Constant temperature control unit In the event of a fault, red fault indicator flashes. Any fault message facility connected will be switched off. The 2-digit fault code and (subject to the type of fault) " " or " " flash on the programming unit display. If an acknowledged fault is not remedied, the fault message will be redisplayed the following day and the fault message facility restarted.
  • Page 61 Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Regulates without flow tem- Short circuit, system flow Check low loss header sensor (see perature sensor (low loss temperature sensor page 70) header) Control mode Sensor outside tolerance Check sensors on DHW cylinder Display fault in energy cock- range...
  • Page 62 Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner blocked CO limit exceeded Danger The burner starts again once An increased concentration the CO level is below the of carbon monoxide can CO limit. cause potentially fatal car- bon monoxide poisoning.
  • Page 63 Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Control mode without remote Communication error, Check connections, cable, coding control Vitotrol remote control, address "A0" in the "Heating cir- heating circuit 1 (without cuit..."/5 group and remote control mixer) configuration.
  • Page 64 Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Control mode Input DE2 at EA1 exten- Remove fault at appliance con- sion reports a fault cerned Control mode Input DE3 at EA1 exten- Remove fault at appliance con- sion reports a fault cerned Control mode without room...
  • Page 65 Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state Repeated flame loss or 1. Check system for excessive deactivation during cali- temperature. If fault F1 or F2 is bration present, ensure there is ade- quate heat transfer.
  • Page 66 Troubleshooting Fault codes (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 67: Maintenance

    Troubleshooting Fault codes (cont.) Fault code dis- System characteristics Cause Measures played Burner in a fault state and ad- Boiler coding card miss- Insert the boiler coding card. ditional fault B7 is displayed. ing. Press reset button R. Replace control unit if fault per- sists.

  • Page 68: Draining The Boiler On The Heating Water Side

    Troubleshooting Maintenance (cont.) Draining the boiler on the heating water side Please note Risk of scalding. Residual water will escape when the boiler or one of the following components is fitted or removed: ■ Water-filled pipework Circulation pumps ■ Plate heat exchanger ■...

  • Page 69: Checking The Outside Temperature Sensor

    Troubleshooting Maintenance (cont.) Checking the outside temperature sensor Fig. 44 1. Pull plug "X3" from the control unit. 2. Test the resistance of the outside temperature sen- sor across terminals "X3.1" and "X3.2" on the dis- connected plug and compare it with the curve. 3.

  • Page 70: Checking The Boiler Water Temperature Sensor, Cylinder Temperature Sensor Or Flow Temperature Sensor Of Low Loss Header

    Troubleshooting Maintenance (cont.) Checking the boiler water temperature sensor, cylinder temperature sensor or flow temperature sensor of low loss header Fig. 46 2. Check the sensor resistance and compare it with the curve. 3. In the event of severe deviation replace the sensor. Danger The boiler water temperature sensor is directly immersed in the heating water (risk...

  • Page 71: Checking The Flue Gas Temperature Sensor

    Troubleshooting Maintenance (cont.) Checking the flue gas temperature sensor The flue gas temperature sensor locks out the boiler if the permissible flue gas temperature is exceeded. After the flue system has cooled down, press reset button R to cancel the lock. 10 30 50 70 90 110 Temperature in °C Fig.

  • Page 72: Checking The Fuse/Mcb

    Troubleshooting Maintenance (cont.) 1. Disconnect the leads from temperature limiter 2. Check continuity of the temperature limiter with a multimeter. 3. Remove faulty temperature limiter. 4. Coat the new temperature limiter with heat con- ducting paste and install it. 5. After commissioning, press reset button R on the control unit.

  • Page 73: Parts Lists Overview Of Assemblies

    Parts lists Overview of assemblies Ordering parts The following information is required: ■ Serial no. (see type plate ■ Assembly (from the parts list) ■ Position number of the individual part within the assembly (from this parts list) Fig. 52 Type plate Casing assembly Heat cell assembly with MatriX cylinder burner...

  • Page 74: Casing

    Parts lists Casing 0010 0006 0013 0011 0004 0005 0001 0003 0003 0012 0015 0007 0005 0009 0001 0005 0008 0003 0014 0002 Fig. 53...
  • Page 75 Parts lists Casing (cont.) Pos. Part 0001 Logo 0002 Adjustable foot 0003 Fixings for location stud (2 pce) 0004 Toggle fastener (4 pce) 0005 Profiled seal 15 l=520 0006 Top panel 0007 Cylinder mounting bracket 0008 Control unit support 0009 Cover panel with gaskets 0010 Top panel insert...

  • Page 76: Heat Cell

    Parts lists Heat cell 0009 0003 0023 0008 0005 0002 0011 0009 0002 0005 0015 0011 0004 0007 0004 0005 0005 0015 0016 0023 0013 0014 0004 0011 0026 0005 0016 0011 0024 0026 0020 0011 0010 0006 0011 0019 0025 0019 0006...
  • Page 77 Parts lists Heat cell (cont.) Pos. Part 0001 MatriX cylinder burner 0002 Plug for boiler flue connection 0003 Flue gas temperature sensor 0004 Heat exchanger mounting bracket (set) 0005 O-ring 20.63 x 2.62 (5 pce) 0006 Gasket A 17 x 24 x 2 (5 pce) 0007 Heat exchanger 0008...

  • Page 78: Matrix Cylinder Burner

    Parts lists MatriX cylinder burner 0001 0004 0007 0012 0011 0016 0004 0018 0012 0001 0005 0009 0004 0010 0003 0002 0014 0016 0018 0012 0013 0011 0006 0007 0018 0011 0017 0007 0017 0008 0015 0017 Fig. 55...
  • Page 79 Parts lists MatriX cylinder burner (cont.) Pos. Part 0001 Burner gasket 0002 Thermal insulation ring 0003 Cylinder burner gauze assembly 0004 Burner gauze assembly gasket 0005 Ignition electrode 0006 Ionisation electrode 0007 Gasket, burner door flange 0008 Radial fan iNR77 0009 Burner door 0010...

  • Page 80: Hydraulics

    Parts lists Hydraulics 0002 0007 0029 0005 0044 0012 0005 0007 0013 0002 0012 0036 0020 0003 0003 0042 0004 0014 0004 0006 0006 0007 0010 0010 0011 0014 0013 0010 0012 0018 0007 0007 0041 0007 0025 0011 0012 0001 0021 0029...
  • Page 81 Parts lists Hydraulics (cont.) Pos. Part 0001 Hydraulic block, flow unit 0002 Plug, oil preheater 0003 Temperature sensor 0004 Air vent valve G3/8 0005 Pipe clip (2 pce) 0006 Thermal circuit breaker 0007 O-ring 17.86 x 2.62 (5 pce) 0008 Gasket A 17 x 24 x 2 (5 pce) 0009 Spring clip DN 25 (5 pce)
  • Page 82 Parts lists Hydraulics (cont.) Pos. Part 0045 Wire fuse (5 pce) 0046 Circulation pump motor UPM3 15-75 KM 0047 Overflow valve...
  • Page 83 Parts lists Hydraulics (cont.)

  • Page 84: Hydraulic Block

    Parts lists Hydraulic block 0004 0005 0001 0002 0005 0005 0005 0003 0004 0003 0005 0004 0006 Fig. 57...
  • Page 85 Parts lists Hydraulic block (cont.) Pos. Part 0001 Valve insert 0002 Flow unit 0003 Plug Ø 8/10 0004 Clip Ø 10 (5 pce) 0005 O-ring 9.6 x 2.4 (5 pce) 0006 Mounting plate, flow unit...

  • Page 86: Dhw Cylinder

    Parts lists DHW cylinder 0006 0005 0004 0004 0003 0002 0001 0007 Fig. 58...
  • Page 87 Parts lists DHW cylinder (cont.) Pos. Part 0001 DHW cylinder 0002 Strain relief 0003 Magnesium anode 0004 Gasket 0005 Flange with gasket 0006 Flange insulation 0007 Cylinder temperature sensor NTC 10k Ω...

  • Page 88: Control Unit

    Parts lists Control unit 0013 0002 0009 0029 0009 0008 0009 0005 0020 0015 0003 0001 0015 0021 0014 0005 0004 0006 0017 0015 0007 0018 0010 0022 0023 0011 0012 0019 Fig. 59...
  • Page 89 Parts lists Control unit (cont.) Pos. Part 0001 Control unit VBC138-A60.1xx 0002 Casing back panel 0004 Fuse, 6.3A (slow), 250V (10 pce) 0005 Fuse holder 6.3 A (slow) 0006 Vitotronic 100 HC1B 0007 Vitotronic 200 HO2B 0008 LON HO1 communication module 0009 PCB adaptor 0010...

  • Page 90: Miscellaneous

    Parts lists Miscellaneous 0001 0002 0003 0004 0005 0007 0006 0008 0009 Fig. 60...
  • Page 91 Parts lists Miscellaneous (cont.) Pos. Part 0001 Special grease 0002 Touch-up spray paint, white 0003 Touch-up paint stick, white 0004 HC1B operating instructions 0005 HO1B operating instructions 0006 HO2B operating instructions 0007 Installation and service instructions with HC1B 0008 Installation and service instructions with HO1B 0009 Installation and service instructions with HO2B...

  • Page 92: Ordering Individual Parts For Accessories

    Parts lists Ordering individual parts for accessories Please affix accessory labels with part numbers here. Please state the relevant part no. when ordering indi- vidual parts.

  • Page 93: Function Description Constant Temperature Control Unit

    Function description Constant temperature control unit °C Fig. 61 Heating mode The selected set boiler water temperature will be main- The electronic temperature limiter inside the burner tained when a demand is being raised by the room control unit limits the boiler water temperature. thermostat and the heating program is set to DHW and Flow temperature setting range: 20 to 74 °C.

  • Page 94: Internal Extensions (Accessories)

    Function description Internal extensions (accessories) Internal H1 extension Fig. 62 The internal extension is integrated into the control unit ■ Heating circuit pump for heating circuit without mixer enclosure. The following alternative functions can be (code "53:2") connected to relay output .

  • Page 95: Internal H2 Extension

    Function description Internal extensions (accessories) (cont.) Internal H2 extension Fig. 63 The internal extension is integrated into the control unit Heating circuit pump for heating circuit without mixer ■ enclosure. The following alternative functions can be (code "53:2") connected to relay output .

  • Page 96: External Extensions (Accessories)

    Function description External extensions (accessories) AM1 extension Fig. 64 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 97: Ea1 Extension

    Function description External extensions (accessories) (cont.) EA1 extension Fig. 65 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 98: 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 99: 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 External blocking The functions "External blocking" and "External block- The function is selected via the following coding ing with fault message input"...

  • Page 100: Fill Program

    Function description Control functions (cont.) Fill program In the delivered condition, the diverter valve is set to its Filling with the control unit switched on central position, enabling the system to be filled com- pletely. After the control unit has been switched on, the If the system is to be filled with the control unit diverter valve no longer goes into its central position.

  • Page 101: Connection And Wiring Dia-Connection And Wiring Diagram - Internal Connections

    Connection and wiring diagrams Connection and wiring diagram internal connections – Fig. 66 Main PCB Gas solenoid valve X... Electrical interfaces Thermal circuit breaker § Boiler water temperature sensor Ignition unit Ionisation electrode Fan motor a-Ö Flue gas temperature sensor A Fan motor control a-Ö...

  • Page 102: Grams Connection And Wiring Diagram - External Connections

    Connection and wiring diagrams Connection and wiring diagram external connections – Fig. 67 Main PCB Flow temperature sensor, low loss header Switching mode power supply Cylinder temperature sensor Optolink (plug on the cable harness) Burner control unit Internal circulation pump sÖ...

  • Page 103: Commissioning/Service

    Commissioning/service reports Commissioning/service reports Settings and test values Set value Commissioning Maintenance/ service Date Signature Static pressure mbar 57.5 ≤ 5.75 ≤ Supply pressure (flow pressure) for natural gas E mbar 17-25 1.70-2.5 for natural gas LL mbar 17-25 1.70-2.5 for LPG mbar 42.5-57.5...

  • Page 104: Specification

    Specification Specification Rated heating output range at T 50/30 °C 1.9 - 13 1.9 - 19 2.6 - 26 at T 80/60 °C 1.7 - 12.1 1.7 - 17.6 2.4 - 24.1 for DHW heating 1.7 - 16 1.7 - 17.2 2.4 - 23.7 Rated heating input range 1.8 - 16.7...
  • Page 105 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 106: Certificates Declaration Of Conformity

    Certificates Declaration of conformity Vitodens 222-F, type B2SB We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole responsible body that the named product complies with the provisions of the following directives and regulations: 92/42/EEC Efficiency Directive 2009/142/EC...

  • Page 107: Manufacturer's Certificate According To The 1St Bimschv [Germany]

    Certificates Manufacturer's certificate according to the 1st BImSchV [Germany] We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, confirm that the product Vitodens 222-F, type B2SB, complies with the NO limits specified by the 1st BImSchV Paragraph 6 [Germany]. Allendorf, 01 May 2016 Viessmann Werke GmbH &...

  • Page 108: Keyword Index

    Keyword index Keyword index Gas type..............29 Actuator test............... 59 Gas type conversion..........29 Anode, checking............40 Anode, replacing............40 Assembly..............73 Heating surfaces, cleaning........35, 37 Boiler, draining on the DHW side....... 39 Ignition................35 Boiler water temperature sensor........ 70 Ignition electrodes............35 Burner gasket.............34 Ionisation electrode............
  • Page 112 Applicability Serial No.: 7570816 7570817 7570818 7570819 7570820 7570821 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...

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