Check Points Before Commissioning; Preparing The Boiler For Commissioning - REMEHA Calenta 25s Installation And Service Manual

5. Commissioning
Manual mode:
E
Boiler is set to manual operation.
DHW programme deactivated:
T
The DHW mode is deactivated.
Service menu:
?
Parameters at installer level can be changed.
Energy-saving mode:
)
Economic mode activated.
Defect:
c Boiler indicates a fault. This can be seen from the e code
and red display.
Frost protection:
]
Boiler is running in frost protection mode.
Hour counter menu:
\ Readout of the operating hours, number of successful
starts and hours on mains supply.
5.2

Check points before commissioning

54
Yellow display with the symbols:
K
$ + K + Z (Maintenance message).
Water pressure:
e
The water pressure is too low.
Battery symbol:
g
Status of battery of wireless controller.
Signal strength symbol:
[
Signal strength of the wireless controller.
Burner level:
I Boiler is running at full or low load.
Locking the keys:
d
Key lock-out is activated.
5.2.1.

Preparing the boiler for commissioning

WARNING
Do not put the boiler into operation if the supplied gas is
not in accordance with the approved gas types.
Preparatory procedure for boiler commissioning:
4 Check that the gas type supplied matches the data shown on the
boiler's data plate.
4 Check the gas circuit.
4 Check the hydraulic circuit.
4 Check the water pressure in the heating system.
4 Check the electrical connections to the thermostat and the other
external controls.
4 Check the other connections.
4 Test the boiler at full load. Check the setting of the gas/air ratio
and, if necessary, correct it.
4 Test the boiler at part load. Check the setting of the gas/air ratio
and, if necessary, correct it.
4 Finalizing work.
Calenta 25s - 28c - 35s - 40c
040412 - 7600585-01