Set Appliance State:
Set boiler to DHW comfort (preheat) function (see below for instructions)
Ensure boiler is cool
Ensure boiler is cool
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
The comfort function makes DHW available faster at the selected set DHW temperature.
With the DHW set temperature at 60°C, the boiler should maintain the primary heat exchanger to approximately 40 - 60°C.
Does the DHW comfort (preheat) function operate correctly?
Note.
When power is removed to the boiler, boiler will default to preheat Off mode (ECO).
With the DHW set temperature at 60°C, the boiler should maintain the primary heat exchanger to approximately 40 - 60°C.
Does the DHW comfort (preheat) function operate correctly?
Note.
When power is removed to the boiler, boiler will default to preheat Off mode (ECO).