Set Appliance State:
Mains Power Off
Turn Hot Water Tap On
ON/OFF Switch in ON Position
CH Temp Selector in Minimum position
DHW Temp Selector in Maximum position
Mode Selector Switch in Heat and Hot water position
CH Temp Selector in Minimum position
DHW Temp Selector in Maximum position
Mode Selector Switch in Heat and Hot water position
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
If required reset boiler, turn CH / DHW control to reset position.
Observe the Differential Pressure Switch Spindle.
As the Pump starts to run, does the Spindle rise to operate the Microswitch?
Observe the Differential Pressure Switch Spindle.
As the Pump starts to run, does the Spindle rise to operate the Microswitch?