U-23
G-084383_EN • 03
I
nstructIons
for
the
u
ser
Starting the Appliance
The first start-up of the boiler after its
installation must be performed by a
qualified professional, according to the
procedure in
“Start-up and Commis
-
sioning” on page I-53
.
Conditions:
Procedure:
1.
Make sure that the power supply cable is
connected to the boiler.
2.
Push the On/Off switch located on the right
side of the boiler.
When in the ON position, the switch
remains pushed in and is illuminated.
3.
Select the heating mode as required.
4.
Activate the DHW mode as required.
Follow-on tasks:
Check the pressure of the primary circuit in operation.
It should be between 1.2 and 6 bar (with pump on).
i
i
Stopping the Appliance
Conditions:
None
Procedure:
1.
Push the On/Off switch located on the right
side of the boiler.
When in the OFF position, the switch
is released from its pushed in position.
Its built-in light goes off and the button
comes flush with the outer frame.
2.
To completely cut the power supply to the
boiler, either disconnect the power supply
cable from the boiler, or use the external cir-
cuit breaker.
Follow-on tasks:
None
i
To remove an error code from the display temporarily and go back to the Home screen, de-
press the rotary selector for more than 3 seconds.
i
What to Do if...
Cause
Action
Boiler does not start
No power supply
1. Check that the power button is in ON position (pushed in
and illuminated).
2. Make sure the power supply is connected to the mains.
3. Check the external power supply box (circuit breaker) and
reset it as required.
No water comes out of the
hot water taps
The hot water circuit from the
water heater is closed
Open the hot water circuit stop valve
There is air in the water circuit
1. Make sure that the tank is filled with water
2. Bleed air from the circuit by opening a hot water tap until
water flows out
Only cold water is coming
out of the hot water tap
Appliance not in operation
Check the correct operation of the appliance
Error code 133 displayed
Time out for flame ignition
1. Open controller removable panel and depress Reset but-
ton. Refer to
“Control Panel and Main Functions” on
page G-10
.
2. If the fault appears several times, call your installer.
Error code 111 displayed
Temperature limit switch open
Check that radiator valves are open/that there is flow across
the boiler.
Error code 105 displayed
Maintenance message
Select and activate the Information icon (
) for details on the
error and maintenance code.
Maintenance icon (
)
Error code 118 displayed
Low water pressure
Top up the heating system.
Содержание COILMASTER 100
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