Set Appliance State:
Mains Power Off
Turn Hot Water Tap On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Reset appliance as required.
Allow the burner to ignite and establish and the appliance to run with a DHW demand for 30 seconds.
Turn the hot water tap OFF (if the tap is not near the appliance, then close the cold water isolation valve)
Once the hot water tap is turned OFF (or the cold water isolation valve is closed) the burner should extinguish immediately and the flame symbol should disappear from the display.
Does the burner extinguish immediately or does the burner remain alight ?
Note:
This test is to confirm the gas valve is closing as soon as the demand ends.
Allow the burner to ignite and establish and the appliance to run with a DHW demand for 30 seconds.
Turn the hot water tap OFF (if the tap is not near the appliance, then close the cold water isolation valve)
Once the hot water tap is turned OFF (or the cold water isolation valve is closed) the burner should extinguish immediately and the flame symbol should disappear from the display.
Does the burner extinguish immediately or does the burner remain alight ?
Note:
This test is to confirm the gas valve is closing as soon as the demand ends.
