Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach U-gauge to the burner pressure test point
ON/OFF Switch ON
Summer/Winter button set to Summer
CH Temperature selector to minimum
Set flow rate at tap to approx. 4ltr/min
DHW Temperature selector to maximum
ON/OFF Switch ON
Summer/Winter button set to Summer
CH Temperature selector to minimum
Set flow rate at tap to approx. 4ltr/min
DHW Temperature selector to maximum
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow burner to ignite and water to heat for approximately 30 seconds
Slowly turn down the DHW temperature selector while observing the U-gauge
Does the pressure decrease as the temperature demand is met?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Slowly turn down the DHW temperature selector while observing the U-gauge
Does the pressure decrease as the temperature demand is met?
Note:
When pressure gauge is removed the pressure test point should be tightened and checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary