VITODENS 200 WB2A - Heatingspares247.com
VITODENS 200 WB2A - Heatingspares247.com VITODENS 200 WB2A - Heatingspares247.com
5 Commissioning and TestingBefore commissioning the appliance, the whole gas installation including the meter MUST bepurged and tested for gas soundness in accordance with BS 6891: 1988. IMPORTANT: Open alldoors and windows; extinguish naked lights and DO NOT SMOKE whilst purging the gas line.Before commencing the commissioning procedure, ensure that the gas service cock is turnedon, the electricity supply is isolated and that the DHW and CH pipework is complete.Fill the system with cold water. It may be convenient to carry out this procedure before fittingthe boiler to the piping frame. Vent the system via the radiator valves and system air vents inaccordance with normal practice, close all air vents and check for system soundness.Drain the entire system to flush out any debris.The following instructions assume that the casing has not yet been fitted following initialinstallation. If the casing has been fitted, it is necessary to remove the casing as described insection 6.1 (a)5.1 Filling the Central Heating CircuitThe following procedure is recommended when the boiler has been fitted.a) Check that the central heating flow and return valves are open. Turn on themains water supply.b) Open the filling loop valves and fill the system via the boiler fill and drain valve(A). Check the system pressure on the gauge and vent all radiators and airvents in the normal way. Close the filling loop valves before the systempressure reaches 2.5 bar.c) Unscrew the pump spindle cover (in the centre of the pump head) and spin thepump shaft with a screwdriver to ensure that it routes freely. Replace thespindle cover.d) Check the operation of the pressure relief valve by rotating the plastic headanticlockwise 1/4 of a turn and checking that water is discharged. Ensure thatthe valve seats correctly and does not leak. If the valve leaks or is stuckclosed, replace it.e) Check the system for water leaks; the system should then be flushed inaccordance with BS 7593. Upon completion of correct flushing, the systemshould be re-filled to 0.2 bar above system design pressure. System designpressure should be between 1.0 and 1.5 bar.36
5 Commissioning and Testing5.1 Filling the Central Heating CircuitNOTE: To prevent air being trapped in the top of the heat exchanger it is recommended toflush the heat exchanger with the 12mm tubing (B) – see Fig 5/A. – connected to the flowpipe within the combustion chamber after completion of the above steps.5.2 Venting the BoilerNote: Control indicated is the Constant temperature model, if controls incorporating clockor weather compensation are used the same procedure applies.Figure 5/A: Venting the boiler, Venting the heating system, Adjusting Max boiler output (Range Rating)A Heating ProgramsB Comfort ModeC InformationD Basic SettingsE Confirm/acknowledgeF Setting ValvesG DHW temperatureH Emissions test functionK Boiler water temperaturea) Start the control unit and select code 1 by simultaneously pressing andfor approximately 2 seconds (See fig 5/A).b) Using + _ select coding 2F:2 when the diverter valve will be in the centralposition and display shows bF in Constant temperature mode. Weathercompensated mode will show ‘VENTING’.c) Close the isolation flow valve (A) on the central heating side.d) Connect the drain hose on the upper valve (B) to a drain point (See fig 5A)overleaf.37
- Page 1 and 2: VITODENS 200 WB2AINSTALLATION & SER
- Page 3 and 4: 1 General Information1.1 Appliance
- Page 5 and 6: 2 Technical Specifications2.2 Gener
- Page 8 and 9: 2 Technical Specifications2.6 Hydra
- Page 10 and 11: 3 Installation Requirements3.1 Stat
- Page 12 and 13: 3 Installation RequirementsPosition
- Page 14 and 15: 3 Installation Requirements3.4 Vent
- Page 16 and 17: 3 Installation RequirementsFigure 3
- Page 18 and 19: 3 Installation Requirements3.5 Cent
- Page 20 and 21: 3 Installation Requirements3.7 Gas
- Page 22 and 23: 4 Installation ProcedureFigure 4/A:
- Page 24 and 25: 4 Installation Procedure4.2.2 Fitti
- Page 27 and 28: 4 Installation ProcedureFigure 4/E:
- Page 29 and 30: 4 Installation Procedure4.7.2 Verti
- Page 31 and 32: 4 Installation Procedure4.8.2 Verti
- Page 33 and 34: 4 Installation Procedure4.9.1 Elect
- Page 35: 4 Installation Procedure4.11 Conden
- Page 39 and 40: 5 Commissioning and Testing5.3 Vent
- Page 41 and 42: 5 Commissioning and Testing5.6 Comm
- Page 43 and 44: 5 Commissioning and Testing5.9 Fina
- Page 45 and 46: 6 Routine Servicing6.1 Routine Serv
- Page 47 and 48: 6 Routine Servicing6.4 Combustion C
- Page 49 and 50: 6 Routine Servicing6.8 Re-commissio
- Page 51 and 52: 8 Fault FindingIt is the law that a
- Page 53 and 54: 9 Replacement of PartsBefore commen
- Page 55 and 56: 9 Replacement of Parts9.3 Burnera)
- Page 57 and 58: 9 Replacement of Parts9.7 Air Press
- Page 59 and 60: 9 Replacement of Parts9.10 Limit Th
- Page 61 and 62: 9 Replacement of Parts9.13 CH Therm
- Page 63 and 64: 9 Replacement of Parts9.16 DHW Heat
- Page 65 and 66: 9 Replacement of Parts9.17 DHW Flow
- Page 67 and 68: 9 Replacement of Parts9.21 Pressure
- Page 69 and 70: 9 Replacement of Parts9.23 Expansio
- Page 71 and 72: 10 Replacement Parts001 Quick Actin
- Page 73 and 74: 10 Replacement Parts004 Temperature
- Page 75: 11 Index6 . . . . . . . . . . . . .
5 Commissioning and Testing5.1 Filling the Central Heating CircuitNOTE: To prevent air being trapped in the top of the heat exchanger it is recommended toflush the heat exchanger with the 12mm tubing (B) – see Fig 5/A. – connected to the flowpipe within the combustion chamber after completion of the above steps.5.2 Venting the BoilerNote: Control indicated is the Constant temperature model, if controls incorporating clockor weather compensation are used the same procedure applies.Figure 5/A: Venting the boiler, Venting the heating system, Adjusting Max boiler output (Range Rating)A Heating ProgramsB Comfort ModeC InformationD Basic SettingsE Confirm/acknowledgeF Setting ValvesG DHW temperatureH Emissions test functionK Boiler water temperaturea) Start the control unit and select code 1 by simultaneously pressing andfor approximately 2 seconds (See fig 5/A).b) Using + _ select coding 2F:2 when the diverter valve will be in the centralposition and display shows bF in Constant temperature mode. Weathercompensated mode will show ‘VENTING’.c) Close the isolation flow valve (A) on the central heating side.d) Connect the drain hose on the upper valve (B) to a drain point (See fig 5A)overleaf.37