Set Appliance State:
Mains Power Off
Gas On; Pilot On
CH Demand
On/Off Switch in ON position
Mode Selector Switch to Constant
Heating Thermostat to MAX
Mode Selector Switch to Constant
Heating Thermostat to MAX
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Run the boiler until the CH flow pipe reaches approximately 55°C or above.
Slowly turn the Heating Thermostat down to mid range, the boiler should modulate to low flame, continue to turn the Heating Thermostat down and the boiler should modulate to off.
Turn the Heating Thermostat to maximum the boiler should fire at high flame.
Slowly turn the Heating Thermostat down to mid range, the boiler should modulate to low flame, continue to turn the Heating Thermostat down and the boiler should modulate to off.
Turn the Heating Thermostat to maximum the boiler should fire at high flame.
