Set Appliance State:
Mains Power Off
CH Demand
Boiler ON/OFF Switch OFF
CH Temperature Selector to Max
DHW Temperature Selector OFF
CH Temperature Selector to Max
DHW Temperature Selector OFF
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Boiler ON/OFF Switch ON.
Allow Boiler to fire and start to heat. Observe System Pressure Gauge on the Control Panel.
After the System has been running for a short while, does the System Pressure remain constant?
Note: Initial System Pressure should be approximately 0.5-1 bar.
Allow Boiler to fire and start to heat. Observe System Pressure Gauge on the Control Panel.
After the System has been running for a short while, does the System Pressure remain constant?
Note: Initial System Pressure should be approximately 0.5-1 bar.
Isolate as per TOPs P4
and refit as necessary