Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Slacken the upper test point screw of the Gas Valve and attach a U-gauge
Selector switch to DHW and CH position
CH temperature selector to maximum
DHW temperature selector to minimum
Selector switch to DHW and CH position
CH temperature selector to maximum
DHW temperature selector to minimum
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow burner to ignite and ramp up to full pressure and heat system to approximately 60 degrees C.
Restricting the heating system by turning off some radiator will reduce the time taken for the system to reach temperature
Slowly turn the CH temperature selector to minimum position.
Does the gas pressure decrease as the CH temperature selector is adjusted?
Restricting the heating system by turning off some radiator will reduce the time taken for the system to reach temperature
Slowly turn the CH temperature selector to minimum position.
Does the gas pressure decrease as the CH temperature selector is adjusted?
