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Covers siting, clearances, bathroom safety, and compartment installation requirements.
Details gas supply consultation, pipe sizing, electrical regulations, and connection methods.
Covers wall mounting, required clearances, and timber framed building considerations.
Instructions for connecting the gas supply pipe to the appliance's service cock.
Covers earthing, isolation methods, cord connection, and terminal wiring for the mains supply.
Covers checks for electrical installation, gas soundness, and purging according to standards.
Details system flushing, filling, air removal, boiler venting, and pressure relief valve testing.
Steps for the initial lighting of the boiler by a qualified fitter.
Method for testing gas soundness of burner connections using a test point.
Procedure for testing the flame supervision device (FSD) by interrupting the gas supply.
Procedure for checking main burner gas pressure using a test point and factory settings.
Emphasizes switching off power, gas, and performing safety checks before maintenance.
Covers inspection of exterior, air/ventilation, and burner operation.
Steps for safely turning off the boiler's electrical, gas, and water supplies.
Detailed steps for recommissioning the boiler after servicing or part replacement.
Emphasizes safety and lists key components for replacement.
Guides for replacing electrodes, NTC resistor, air vent, and diverter valve parts.
Guides for replacing the fan and electronic thermostat circuit boards.
Procedures for changing the flame supervision and main switch circuit boards.
Initial checks and a flowchart for troubleshooting electrical supply issues.
Troubleshooting flowchart for issues related to the main switch and overheat cut-off device.
Troubleshooting flowchart for issues related to the pump's operation.
Troubleshooting flowchart for issues with the flue fan system and air pressure switch.
Troubleshooting flowchart for issues related to the diverter valve's operation.
Troubleshooting flowchart for ignition system and gas section issues.
Troubleshooting flowchart for issues related to burner modulation and gas pressure.
Troubleshooting flowchart for issues related to domestic hot water operation.
Provides the detailed wiring diagram for VCW GB 242 EH and VCW GB 282 EH models.
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General