Set Appliance State:
Mains Power Off
CH Demand
Turn Hot Water Tap On
CH temperature selector to Max
DHW temperature selector to Max
External controls calling for heat
DHW temperature selector to Max
External controls calling for heat
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Selector switch to DHW and CH position.
Observe position indicator on diverter valve.
Test 1:
Turn the DHW inlet isolator OFF.
Position indicator should move to CH position.
Test 2:
Turn the DHW inlet isolator ON.
Position indicator should move to DHW position.
Observe position indicator on diverter valve.
Test 1:
Turn the DHW inlet isolator OFF.
Position indicator should move to CH position.
Test 2:
Turn the DHW inlet isolator ON.
Position indicator should move to DHW position.