Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove the Programmer from its back plate
Fit a link between the mains live and both the Heating and Hot Water On terminals of the back plate
Ensure the link you have fitted is safe then refit the Programmer to its back plate
Fit a link between the mains live and both the Heating and Hot Water On terminals of the back plate
Ensure the link you have fitted is safe then refit the Programmer to its back plate
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
This link will bypass the Programmer and provide a demand for heating and hot water regardless of the Programmers setting, however, the room and cylinder thermostats will still control the temperature so must both be calling during this test.
Once power is applied both valves should move to the open position.
Do both zone valves open?
Once power is applied both valves should move to the open position.
Do both zone valves open?
