Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Central Heating Switch in constant position
Boiler Switch in ON position
Connect U gauge to burner pressure test point
Boiler Switch in ON position
Connect U gauge to burner pressure test point
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow burner to ignite and establish, once it has run for 2 minutes,
gone to high flame and system has started to heat:
Vary the CH Temperature Selector.
Does main burner modulate?
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
gone to high flame and system has started to heat:
Vary the CH Temperature Selector.
Does main burner modulate?
Note:
When U-gauge is removed pressure test point should be tightened & checked for gas soundness.
Isolate as per TOPs P4
and refit as necessary