Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach temperature clamps as indicated by the red arrows
Boiler CH thermostat set to MAX
Boiler CH thermostat set to MAX
Gas On
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Measure the temperature differential at the time the system noise occurs.
Expected differential approximately 22°C or less.
Expected differential approximately 22°C or less.
 inner,covers,removed,resize.gif)
