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Viessmann Vitopend 100-W, Installation And Service Instructions Manual, Page: 32 / 60

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Viessmann Vitopend 100-W Installation And Service Instructions Manual Download Page 32

32

   

 

 

 

Display

 

Measure

 

  Control unit issues

a heat demand

 

No

 

Increase set value
and ensure heat is
drawn off

 

 

 

 

 

 

 

 

   

Yes

 

 

 

 

 

  Ignition

No

Fault 

"F4"

 

Check the ignition
module connec-
tion 

 

 

 

 

 

 

 

   

Yes

 

 

 

 

 

  Gas train opens

No

Fault 

"F4"

 

Check the gas
train (control volt-
age 230 V); check
the gas supply
pressure

 

 

 

   

Yes

 

 

 

 

 

  Ionisation current

builds (higher than
2µA)
Symbol 

A

No

Fault 

"F4"

 

Check the ionisa-
tion current, check
the electrode ad-
justment and the
gas line for air-
locks.

 

 

 

   

Yes

 

 

 

 

 

  Burner in opera-

tion

No

Stops below the set
boiler water tem-
perature and re-
starts immediately

 

Check the flue sys-
tem for tightness
(flue gas recircula-
tion), check the
gas flow pressure

 

 

 

   

 

 

 

 

 

Troubleshooting

Function sequence and possible faults

5441 514 UAE

Summary of Contents for Vitopend 100-W

Page 1: ...ontractors VIESMANN Vitopend 100 W Type WH1D 10 5 to 24 kW and 13 5 to 30 kW Gas system and combi boilers For open flue operation Natural gas and LPG version For applicability see the last page VITOPEND 100 W 5441 514 UAE 9 2012 Please keep safe ...

Page 2: ...tem all legal instructions regarding the pre vention of accidents all legal instructions regarding envi ronmental protection the Code of Practice of relevant trade associations all current safety regulations as defined by DIN EN DVGW TRGI TRF VDE and all locally applicable standards If you smell gas Danger Escaping gas can lead to explo sions which may lead to serious injury Do not smoke Prevent n...

Page 3: ... charge static loads Repair work Please note Repairing components that fulfil a safety function can compromise the safe operation of your heating system Replace faulty components only with original Viessmann spare parts Ancillary components spare and wearing parts Please note Spare and wearing parts that have not been tested together with the heating system can com promise its function Installing ...

Page 4: ...s commissioning inspection and maintenance 13 Further details regarding the individual steps 14 Troubleshooting Function sequence and possible faults 32 Fault messages on the display 33 Repairs 35 Function description Control and display elements 41 Heating mode 41 DHW heating 41 Extension for external connections accessory 42 Designs Connection and wiring diagram 43 Parts lists 45 Commissioning s...

Page 5: ...lve G Cold water H Safety assembly Safety assembly H to DIN 1988 is required if the mains water supply pres sure exceeds 10 bar and no DHW pres sure reducing valve is installed to DIN 4753 Only use a non return valve or a com bined shut off and non return valve in conjunction with a safety valve If a safety valve is installed remove the toggle from the cold water shut off valve of the boiler preve...

Page 6: ...ll pipework free of load and torque stresses Note Prepare the gas water and power connections using the installation template A supplied 350 Ø10 A Installation template Installation sequence Installing the boiler and making all connections 5441 514 UAE ...

Page 7: ...7 2 1 3 2x Installation sequence Installing the boiler and making all connections cont 5441 514 UAE Installation ...

Page 8: ...e flue pipe see diagram 3 Thermally insulate the flue pipe if required Gas connection A 1 Fix gas shut off valve to gas connec tion A Torque 30 2 Nm Conversion to other gas types Conversion kit installation instructions 2 Carry out a tightness test Note For the tightness test use only suita ble and approved leak detecting agents EN 14291 and devices Leak detecting agents with unsuita ble constitue...

Page 9: ...t pressure 150 mbar Where higher pressure is required for tightness tests separate the boiler and the gas valves from the gas sup ply pipe undo the fitting 3 Vent the gas line Opening the control unit casing 4x 1 2x 2 3 Installation sequence Gas connection cont 5441 514 UAE Installation ...

Page 10: ...e sensor if sup plied Plug 230 V sÖ Circulation pump internal connec tion dG Gas solenoid valve internal con nection a Ö Interlocking extractor fans Connection via external extension H3 accessory Power supply on site Danger Incorrect core allocation can result in serious injury and dam age to the appliance Never interchange cores L and N Installation sequence Electrical connections 5441 514 UAE ...

Page 11: ...be made immediately at the control unit if the boiler is installed outside wet areas This connection is controlled directly with the system ON OFF switch max 1A Recommended power cable NYM with the required number of con ductors for the external connections Accessories Vitotrol 100 type RT Vitotrol 100 type UTA Vitotrol 100 type UTDB Vitotrol 100 type UTDB RF Connection of accessories Accessory in...

Page 12: ...p 1 Secure power cable to the con trol unit support with the cable ties sup plied Close and flip up the control unit Hook in and secure the front panel Installation sequence Electrical connections cont 5441 514 UAE ...

Page 13: ...ating system 22 10 Checking and cleaning the burner 22 11 Checking the diaphragm expansion vessel and system pressure 24 12 Checking and cleaning the flue gas heat exchanger 25 13 Checking and adjusting the ignition and ionisation electrodes 26 14 Flow limiter 27 15 Checking the function of safety valves 16 Checking firm seating of electrical connections 17 Checking all gas equipment for tightness...

Page 14: ...peration Viessmann accepts no liability for damage or conse quential damage as a result 1 Check the pre charge pressure of the diaphragm expansion vessel 2 Close the gas shut off valve 3 Fill the heating system at the fill valve in the heating return on site Minimum system pressure 0 8 bar Note If the control unit has not been switched ON prior to filling the sys tem then the servomotor of the div...

Page 15: ...supply utility or LPG supplier and compare them with the details above 2 Convert the burner to the available gas type in accordance with the details provided by the gas supply utility or your LPG supplier if the details do not match 3 Record the gas type in the Reports table Wobbe index range Ws Ws kWh m3 MJ m3 Natural gas H 12 7 to 15 2 45 6 to 54 8 LPG P 20 3 to 24 4 72 9 to 87 8 Note The indica...

Page 16: ... ON again after approx 3 s The igni tion process will then be repeated 6 Check the supply flow pressure Set value Natural gas 20 25 mbar LPG 28 30 37 50 mbar Note Use a suitable measuring device with a resolution of at least 0 1 mbar to check the supply pressure 7 Record the actual value in the Reports table Take the action shown in the follow ing table 8 Switch OFF the system at the control unit ...

Page 17: ...charge pressure to 20 mbar for natu ral gas or 37 mbar for LPG Notify your gas supply utility or LPG supplier Checking the nozzle pressure Note When operating with natural gas E the factory settings must not be altered Only check the nozzle pressure at the lower and upper rated heating output with cap B on The values given in the following tables are control values for adjusting the max heating ou...

Page 18: ...e upper heating output 1 2 3 4 5 6 Turn rotary selector tw clockwise as far as it will go leave at that posi tion briefly then turn it back Serv appears Note The operation with the upper rated heating output is automatically reset after approx 30 min or by switching the power OFF and ON again 06 Remove cap B from the gas train 07 Test the nozzle pressure at the upper rated heating output In case o...

Page 19: ...ew C SW 10 10 Fit cap B 11 Check the setting values and record them in the Reports table 12 Switch OFF the ON OFF switch at the control unit the boiler shuts down close the gas shut off valve remove the pressure gauge and close test nipple A with the screw 13 Turn the rotary selectors tw and tr back to their original posi tions 14 Open the gas shut off valve and start the appliance Danger Gas esca...

Page 20: ...ed on a supply pressure of 37 mbar Gas Nozzle ø in mm LPG P 0 84 mbar 5 2 6 8 9 6 12 9 16 8 21 2 26 1 Note The values in the nozzle pressure table apply to the following ambient condi tions Air pressure 1013 mbar Temperature 15 C Wobbe index see page 15 Setting the maximum heating output The maximum heating output for heat ing operation can be limited The limit is set via the modulation range 01 S...

Page 21: ... a screwdriver until the noz zle pressure at the pressure gauge corresponds to the required heating output in accordance with the nozzle pressure table on page 19 07 Close and flip up the control unit 08 Switch OFF the ON OFF switch on the control unit close the gas shut off valve remove the pressure gauge and close test nipple A 09 Turn the rotary selectors tw and tr back to their original posi t...

Page 22: ...e The boiler or the heating system can only be drained if the servomotor of the diverter valve is in its centre position see page 14 As soon as the servomotor of the diverter valve is in its centre position switch OFF the ON OFF switch on the control unit to prevent the pump from running dry Checking and cleaning the burner Switch OFF the power supply and the ON OFF switch at the control unit Clos...

Page 23: ...rner if required with com pressed air or with a soapy solution Flush with clean water Installation with new gaskets Commissioning inspection maintenance Further details regarding the individual steps cont 5441 514 UAE Service ...

Page 24: ... diaphragm expansion vessel pre charge pressure at test nipple A and recharge if required Note Using key B supplied you can refill the gas combi boiler at the fill valves B Commissioning inspection maintenance Further details regarding the individual steps cont 5441 514 UAE ...

Page 25: ...terhold the torque with a second open ended spanner Note Clean the flue gas heat exchanger if required with compressed air or with a soapy solution and flush with clean water Installation with new gaskets Commissioning inspection maintenance Further details regarding the individual steps cont 5441 514 UAE Service ...

Page 26: ...nd ionisation electrodes 1 0 3 3 6 8 20 46 2 5 23 2 5 3 5 0 2 2 0 5 3 0 5 Note Clean the ignition electrodes with a small brush or sandpaper Commissioning inspection maintenance Further details regarding the individual steps cont 5441 514 UAE ...

Page 27: ...anger Escaping gas leads to a risk of explosion Check all gas equipment for tight ness Note Only use suitable and approved leak detection agents EN 14291 and devi ces for the tightness test Leak detection agents with unsuitable constituents e g nitrite sulphide can result in material losses Remove residues of the leak detection agent after testing Commissioning inspection maintenance Further detai...

Page 28: ...terminated Maintain limits to EN 297 CO content 1000 ppm Note Operate the appliance with uncontami nated combustion air to prevent operat ing faults and damage If the actual value falls outside the per missible range check the following Static and supply pressure see page 15 Nozzle pressure see page 17 Checking the flue gas monitoring device 1 Pull the flue pipe from the draught hood 2 Fit the fro...

Page 29: ...r than after 2 min check flue gas monitor ing sensor A see page 38 and replace it if required e g if there are signs of corrosion If the flue gas monitoring device still does not shut down the burner even after a new flue gas monitoring sen sor has been installed or if the burner does not start replace the control unit 6 Shut down the boiler 7 Clear the aperture and push the flue pipe onto the dra...

Page 30: ...nisation current when the flame is first established Min 4 µA If ionisation current 4 µA Check the electrode gap see page 26 4 Switch off the control unit ON OFF switch Operation with the upper rated heat ing output is terminated 5 Record the actual value in the Reports table Commissioning inspection maintenance Further details regarding the individual steps cont 5441 514 UAE ...

Page 31: ... system installer must hand the oper ating instructions to the system user and instruct him her in the operation of the system Commissioning inspection maintenance Further details regarding the individual steps cont 5441 514 UAE Service ...

Page 32: ...heck the gas supply pressure Yes Ionisation current builds higher than 2µA Symbol A No Fault F4 Check the ionisa tion current check the electrode ad justment and the gas line for air locks Yes Burner in opera tion No Stops below the set boiler water tem perature and re starts immediately Check the flue sys tem for tightness flue gas recircula tion check the gas flow pressure Troubleshooting Functi...

Page 33: ...imes within a 24 h period the burner en ters a fault state fault F6 is displayed F2 Burner in a fault state The temperature limiter has respon ded Check heating system fill level Check circulation pump Vent the system Check the temperature limiter see page 38 and connecting cables To reset briefly turn rotary selector tr clockwise as far as it will go and then back again reset F3 Burner in a fault...

Page 34: ...t boiler water temperature sensor Check the boiler water temperature sensor see page 38 F38 Burner blocked Lead break boiler water temperature sensor Check the boiler water temperature sensor see page 38 F50 No DHW heating Short circuit cylin der temperature sensor gas sys tem boiler Check the sensor see page 38 F51 No DHW heating Short circuit outlet temperature sen sor gas combi boiler Check the...

Page 35: ...page 38 b8 Burner blocked Lead break flue gas monitoring sensor Check the sensor see page 38 Repairs Checking and cleaning the plate heat exchanger Shut off and drain the boiler on the heating water and DHW sides Note Residual water may drain from the plate heat exchanger Troubleshooting Fault messages on the display cont 5441 514 UAE Service ...

Page 36: ...tamination Clean or replace the plate heat exchanger if required Replacing the plate heat exchanger 1 Push stepper motor A slightly upwards 2 Turn the stepper motor adaptor B with stepper motor A anti clockwise by 1 8 of a turn and remove 3 Remove two screws C from the plate heat exchanger and remove plate heat exchanger D with gas kets Troubleshooting Repairs cont 5441 514 UAE ...

Page 37: ...nstallation ensure that fixing holes are aligned and gaskets seated correctly Mount the plate heat exchanger with the correct orientation Observe the marking Top 5 Reassemble the boiler in reverse order 6 Fill the boiler with water flush vent and check for leaks Troubleshooting Repairs cont 5441 514 UAE Service ...

Page 38: ...e limiter and sensors 5 A Temperature limiter B Boiler water temperature sensor C Outlet temperature sensor D Flue gas monitoring sensor Cylinder temperature sensor gas system boiler Troubleshooting Repairs cont 5441 514 UAE ...

Page 39: ... back again The ignition process will then be repeated 2 Boiler water temperature sensor Pull the leads from the sensor Check the sensor resistance and compare it with the curve Replace the sensor in the case of severe deviation Please note The boiler water tempera ture sensor is immersed in the heating water risk of scalding Drain the boiler before replacing the sensor 3 Outlet temperature sensor...

Page 40: ... Note Function check of the flue gas mon itoring device see page 28 5 Cylinder temperature sensor gas system boiler Pull plug from the cable har ness outside the control unit Check the sensor resistance and compare it with the curve Replace the sensor in the case of severe deviation Checking the fuse Note Switch off the power F1 Troubleshooting Repairs cont 5441 514 UAE ...

Page 41: ...rature when there is no demand The electronic temperature limiter inside the burner control unit limits the boiler water temperature to 84 C Flow temperature setting range 40 to 76 C DHW heating Gas system boiler If the cylinder temperature drops 2 5 K below the set cylinder temperature the burner and circulation pump switch on and the three way valve changes over to DHW heating The set boiler wat...

Page 42: ...he DHW outlet temperature and is limited on the boiler side by the temperature limiter 84 C Extension for external connections accessory The external extension H3 can be con nected to the Vitopend 100 W control unit Installation instructions External extension H3 With the external extension H3 extractor fans can be locked out in the case of open flue operation Function description DHW heating cont...

Page 43: ...ler B Gas pressure switch acces sory C Power supply D Vitotrol 100 UTA E Vitotrol 100 RT F Vitotrol 100 UTD G Vitotrol 100 UTD RF CN8 Stepper motor for diverter valve Designs Connection and wiring diagram 5441 514 UAE Service ...

Page 44: ... boilers Cylinder temperature sensor only gas system boilers sÖ Internal circulation pump dG Gas solenoid valve fJ Temperature limiter aVL Flow switch a Ö aBL Interlocking of extractors via external extension H3 aNS Flue gas monitoring sensor a Ö Modulation coil Designs Connection and wiring diagram cont 5441 514 UAE ...

Page 45: ...pply pipe 046 Safety valve connection pipe 047 Gas restrictor 048 Control unit support 049 Wall mounting bracket 055 Quick action air vent valve car tridge 056 Safety valve 057 Plate heat exchanger 058 Flow sensor 059 Stepper motor 060 Circulation pump head 5 m 6 m 061 Quadrant top up facility 062 Flow limiter 063 Gasket set plate heat exchanger 064 Hydraulic block for gas combi boil ers 065 Hydra...

Page 46: ...combi boiler 085 Cable harness CN7 for gas system boiler 087 Power cable gas valve auxiliary earth 088 Power cable stepper motor 090 Cable ties 10 pce 100 O ring 19 8 x 3 6 5 pce 250 Installation and service instructions 251 Operating instructions 300 Spray paint Vitowhite 301 Touch up paint stick Vitowhite 321 Gas pressure switch 341 Installation instructions for installa tion aid 342 Installatio...

Page 47: ...47 200 201 201 202 034 019 035 018 017 021 024 024 Parts lists Parts lists cont 5441 514 UAE Service ...

Page 48: ...48 104 045 010 047 114 003 005 104 008 004 001 068 022 040 041 042 024 024 039 020 002 Parts lists Parts lists cont 5441 514 UAE ...

Page 49: ...49 116 048 081 011 082 080 Parts lists Parts lists cont 5441 514 UAE Service ...

Page 50: ...50 108 006 065 104 064 049 044 101 101 118 007 102 104 043 Parts lists Parts lists cont 5441 514 UAE ...

Page 51: ...51 105 012 061 109 107 068 106 072 072 117 117 117 046 063 060 070 067 067 070 073 056 055 062 059 071 074 069 066 069 058 069 057 Parts lists Parts lists cont 5441 514 UAE Service ...

Page 52: ...52 316 317 318 319 320 314 315 316 Parts lists Parts lists cont 5441 514 UAE ...

Page 53: ...53 329 330 331 332 333 334 336 335 337 328 Parts lists Parts lists cont 5441 514 UAE Service ...

Page 54: ...dioxide con tent CO2 at the lower rated heating output by vol at the upper rated heating output by vol Oxygen content O2 at the lower rated heating output by vol at the upper rated heating output by vol Carbon monoxide content CO at the lower rated heating output ppm at the upper rated heating output ppm Ionisation current µA min 2 µA Max heating output kW Commissioning service reports Commissioni...

Page 55: ... II2H3P Note The connection values are only for doc umentation purposes e g in the gas contract application or to estimate a supplementary volumetric settings check Due to the factory settings the gas pressure must not be altered from these values Connection values 10 5 to 24 kW Rated heating output kW 10 5 11 12 15 18 21 24 Rated heat in put kW 11 7 12 3 13 3 16 7 20 0 23 3 26 7 Supply values rel...

Page 56: ...ut kW 14 5 16 7 20 0 23 3 26 7 30 0 33 3 Supply values relative to the max load Natural gas H m3 h 1 53 1 77 2 12 2 47 2 82 3 17 3 53 l min 25 29 29 18 34 94 40 74 46 56 52 38 58 2 LPG P kg h 1 13 1 31 1 56 1 82 2 08 2 35 2 61 Product ID _ 0085 BQ 0447 Specification Specification cont 5441 514 UAE ...

Page 57: ...00 3 3 EN 55 014 This product is designated _ 0085 BQ 0447 in accordance with the following Direc tives 2006 95 EC 2009 142 EC 2004 108 EC 92 42 EEC This product meets the requirements of the Efficiency Directive 92 42 EEC for low temperature boilers Allendorf 1 August 2012 Viessmann Werke GmbH Co KG Authorised signatory Manfred Sommer Certificates Declaration of Conformity for the Vitopend 100 W ...

Page 58: ... Flow limiter 27 Flue gas connection 8 Flue gas emissions test 28 Flue gas heat exchanger 25 Function descriptions 41 Function sequence 32 Fuse 40 G Gas connection 8 Gas solenoid valve 10 Gas supply pressure 16 Gas train 16 Gas type 15 H Heating mode 41 Heating output max 20 I Ignition electrode 26 Installing the boiler 6 Ionisation current 30 Ionisation electrode 26 L Lower heating output 19 Low ...

Page 59: ...em 14 Specification 55 Static pressure 16 Supply pressure 15 System pressure 14 T Temperature limiter 38 Test pressure 9 U Upper heating output 18 W Wiring diagram 43 Wobbe index 15 Keyword index Keyword index cont 5441 514 UAE ...

Page 60: ...64529 Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com Viessmann Middle East FZE E Wing Office 603 HQ Building Dubai Silicon Oasis PO Box 341330 Dubai UAE Tel 971 4 3724240 Fax 971 4 3724241 5441 514 UAE Subject to technical modifications ...

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