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Doc653/30CV02A
6.3 Boiler module KM628
Lid
closed
Lid
open
6
4 3
2
1
7
5
9 8
7
6
5
3
2
1
4
Fig.6 Boiler module
1
Operating
mode
1
Parameter
indication
K
Stand-by
P1 Actual/required fl ow temperature
q
Automatic operation (winter position)
P2 Actual/required hot water temperature
t
Hot water operation (summer position)
P3 Required fl ow temperature*
W
Service operation (constant load)
P5 Actual external temperature
2 Rotary selection switch: operating mode
P6 Actual fl ue gas temperature
3 Fault indicator
P9 Actual/maximum appliance load
4 Actual fl ow
temperature
P10
Password
5 Error code (fl ashing)
2 Optical bus connection for Kesslab
6
Operating
status
3
Reset/programming
push
button
B
Night
/
off
4
Alarm/programming
LED
D
Day / on operation
5 Rotary selection switch for parameter
D
(Flashing) Burner in operation
number selection and required setting
7 Service position
adjusting
W1
Service operation at minimum
6 Output status
burner load (P17) 7 Actual/required parameter value
W2
Service operation at maximum
8 Error code /parameter number
burner load (P9)
9 Status inputs
* Desired load required by the KKM if fi tted
Control functions with the lid in the closed position
With the lid in the close position and by operating the rotary selection switch, the operating mode
can be changed to:
K
Standby (the boiler is out of operation and the frost protection unit is active)
q
Automatic operation (the boiler is in operation for central heating and hot water production
t
Hot water operation (the boiler is only in operation for hot water production
W1
Service operation (the boiler is operating at constant minimum load set at P17)
W2
Service operation (the boiler is operating at constant maximum load set at P9)
Information and settings if the lid is opened
With the lid open and by operating the rotary selection switch, one can access the following 10
parameters. An arrow at the bottom of the display indicates the selected parameter and the actual
value of the same is simultaneously displayed.
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