Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Control Thermostat in high position
High/Low Switch in High position
Connect a U-Gauge to the gas valve burner pressure test point
High/Low Switch in High position
Connect a U-Gauge to the gas valve burner pressure test point
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow the Boiler to purge itself and the Burner to ignite.
Does the U-Gauge indicate a pressure as per the table below;
Does the High/Low Switch High Flame Neon (Green) illuminate?
Does the U-Gauge indicate a pressure as per the table below;
Does the High/Low Switch High Flame Neon (Green) illuminate?
