Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
DHW Demand
Thermostat turned to MAX
Connect a U-gauge to the Burner Gas Pressure Test Point
Fit temperature clamp on HW pipe under boiler to
monitor HW temperature
Connect a U-gauge to the Burner Gas Pressure Test Point
Fit temperature clamp on HW pipe under boiler to
monitor HW temperature
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Run tap on maximum flow rate.
Allow the burner to ignite.
Does the burner stay at 11.8 mbar of gas pressure?
Or does it modulate down before the temperature of the hot water rises?
Note:
When gauge is removed pressure test point should be tightened and checked for gas tightness.
Allow the burner to ignite.
Does the burner stay at 11.8 mbar of gas pressure?
Or does it modulate down before the temperature of the hot water rises?
Note:
When gauge is removed pressure test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary