Set Appliance State:
Isolate Mains Power to appliance as per TOPs P4
DHW Demand
DHW Selector in Maximum (+) position
CH Selector in Minimum (-) position
ON/OFF Switch in ON position
Attach temperature clamp/probe on the flow pipe as close to the primary heat exchanger as possible
Attach temperature clamp/probe on return pipe above the pump
DHW Demand
DHW Selector in Maximum (+) position
CH Selector in Minimum (-) position
ON/OFF Switch in ON position
Attach temperature clamp/probe on the flow pipe as close to the primary heat exchanger as possible
Attach temperature clamp/probe on return pipe above the pump
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Allow the burner to ignite and appliance to run for at least 1 minute.
With the appliance still running measure the temperature differential across the plate heat exchanger.
Expect approximately 20°C.
With the appliance still running measure the temperature differential across the plate heat exchanger.
Expect approximately 20°C.
