Set Appliance State:
Mains Power Off
DHW Demand
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow fan to run and boiler to fire and allow system to reach a reasonable operating temperature then turn off demand.
Using FGA temp clamps measure the temperature of the flow and return pipes close to the boiler and ascertain temperature difference between flow and return.
Expected differential approx. 20°C.
Click on your observation:
1. DIFFERENTIAL OK NOISE DUE TO EXCESSIVE HEAT
2.DIFFERENTIAL NOT OK NOISE LOCAL BOILING (KETTLING)
3.DIFFERENTIAL OK SYSTEM NOISE
Using FGA temp clamps measure the temperature of the flow and return pipes close to the boiler and ascertain temperature difference between flow and return.
Expected differential approx. 20°C.
Click on your observation:
1. DIFFERENTIAL OK NOISE DUE TO EXCESSIVE HEAT
2.DIFFERENTIAL NOT OK NOISE LOCAL BOILING (KETTLING)
3.DIFFERENTIAL OK SYSTEM NOISE
