E
Manual mode:
Boiler is set to manual operation.
K
Yellow display with the symbols:
$
+
K
+
Z
(Maintenance message).
T
DHW programme deactivated:
The DHW mode is deactivated.
e
Water pressure:
The water pressure is too low.
?
Service menu:
Parameters at installer level can be changed.
g
Battery symbol:
Status of battery of wireless controller.
)
Energy-saving mode:
Economic mode activated.
[
Signal strength symbol:
Signal strength of the wireless controller.
c
Defect:
Boiler indicates a fault. This can be seen from the
e
code
and red display.
I
Burner level:
Boiler is running at full or low load.
]
Frost protection:
Boiler is running in frost protection mode.
d
Locking the keys:
Key lock-out is activated.
\
Hour counter menu:
Readout of the operating hours, number of successful
starts and hours on mains supply.
5.2
Check points before commissioning
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.
5. Commissioning
Calenta 25s - 28c - 35s - 40c
54
040412 - 7600585-01
