Set Appliance State:
Mains Power Off
CH Demand
ON/OFF Switch in ON position
CH Temp Selector in Maximum position
DHW Temp Selector in Minimum position
Mode Selector Switch in Heat and Hot water position
CH Temp Selector in Maximum position
DHW Temp Selector in Minimum position
Mode Selector Switch in Heat and Hot water position
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Allow boiler to fire and system to heat.
Observe System Pressure on Pressure Gauge on the Facia Panel.
Does the System Pressure remain constant?
Note:
Initial system pressure should be approximately 1 bar.
Observe System Pressure on Pressure Gauge on the Facia Panel.
Does the System Pressure remain constant?
Note:
Initial system pressure should be approximately 1 bar.
Isolate as per TOPs P4
and refit as necessary