Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Water Off
Measurement:
Remove Flow Restrictor from outlet port of Flow Switch and inspect for signs of damage and/or blockage. Reconnect Flow Switch WITHOUT Flow Restrictor in position.
Turn on Water, open DHW Tap, is a Flow Rate of 8 l/min or above obtainable?
If flow rate obtainable - Restrictor Faulty - FAIL this test.
If flow rate is not obtainable - Restrictor Not Faulty - PASS this test
Replace restrictor after test.
Turn on Water, open DHW Tap, is a Flow Rate of 8 l/min or above obtainable?
If flow rate obtainable - Restrictor Faulty - FAIL this test.
If flow rate is not obtainable - Restrictor Not Faulty - PASS this test
Replace restrictor after test.
Isolate as per TOPs P4
and refit as necessary