Set Appliance State:
Mains Power Off
Mode selector switch to Off/Reset position
CH Demand ON
Central heating temperature control set to maximum
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Mode selector switch to CH position.
Allow burner to ignite and system to heat.
Observe system pressure gauge.
Does the system pressure stay constant?
Note:
System pressure should be approximately 1 bar.
Allow burner to ignite and system to heat.
Observe system pressure gauge.
Does the system pressure stay constant?
Note:
System pressure should be approximately 1 bar.
Isolate as per TOPs P4
and refit as necessary