Set Appliance State:
Ensure DHW temperature control is set to Max (60°C)
Ensure boiler is cool (to create demand for preheat)
Ensure boiler is cool (to create demand for preheat)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Switch preheat On, press ECO button (approximately 1 second) display should display Preheat.
Ensure any internal / external programmers with hot water function are calling for hot water.
Allow boiler to ignite and run for preheat.
Observe the flow temperature, at approximately 60 - 68°C flow temperature, the boiler should shut down, preheat complete.
Ensure any internal / external programmers with hot water function are calling for hot water.
Allow boiler to ignite and run for preheat.
Observe the flow temperature, at approximately 60 - 68°C flow temperature, the boiler should shut down, preheat complete.
