Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Preheat OFF
Attach temp probes to the Flow and Return pipes as close to the boiler as possible
Attach temp probes to the Flow and Return pipes as close to the boiler as possible
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow the boiler to fire for Heating and once it has reached a reasonable operating temperature turn off demand.
Using temp probes and Performance Tester (FGA) measure the temperature
of the flow and return pipes as close to the boiler as possible and
ascertain temperature difference between flow and return.
Expect a differential of approx 20°C.
Click on your observation:
1. DIFFERENTIAL OK NOISE DUE TO EXCESSIVE HEAT
2. DIFFERENTIAL NOT OK NOISE LOCAL BOILING
3. DIFFERENTIAL OK SYSTEM NOISE
Using temp probes and Performance Tester (FGA) measure the temperature
of the flow and return pipes as close to the boiler as possible and
ascertain temperature difference between flow and return.
Expect a differential of approx 20°C.
Click on your observation:
1. DIFFERENTIAL OK NOISE DUE TO EXCESSIVE HEAT
2. DIFFERENTIAL NOT OK NOISE LOCAL BOILING
3. DIFFERENTIAL OK SYSTEM NOISE
