Set Appliance State:
Mains Power Off
CH Demand
Gas On; Pilot On
Boiler On/Off Switch ON
CH Switch ON
DHW Switch in INSTANT position
CH Temperature Control in Maximum position
Boiler On/Off Switch ON
CH Switch ON
DHW Switch in INSTANT position
CH Temperature Control in Maximum position
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
With the central heating operating does the system water pressure rise excessively?
Note:
This test only applies to boilers installed on sealed systems, pass this test if boiler is installed on an open vented system.
Note:
This test only applies to boilers installed on sealed systems, pass this test if boiler is installed on an open vented system.