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10 Fuses - boiler controller
Designation of plug-in posi-
tion
Z25 (BSK)
1 2 3 4 5 6
Z16 (UW)
13 PE N
Z17 (HK)
N PE 14
Z18 (ZUEND)
N PE 22
Z19 (ES)
2 3 N PE
6
Z34 (SZ)
17 PE N
Z33 (RM)
15 PE N
Z35 (LUFT)
N PE 11
Z36 (STB)
17 PE 19
Z10 (NETZ)
L PE N
Z38
16 17
(AOUT PWM 1)
Z39
3 4
Z40
5 6
Z37 (PF)
1 2
Z24 (FRT)
13 12
Z23 (UP)
4 3 2
Z22 (KF)
9 8
Z21 (AF)
41 42
Z20 (WW)
43 44
Z32
35 36
Z30
15 16
Z28
3 4 5
Z27
24 25 26
Z26 (BR1)
8 7
JMP
-
10.2
Reroute cables after dismantling the casing or other system components.
Voltage
Name of sensors, motors and pumps
24 Volt
Flame return gate (Belimo)
230 Volt
DHW pump/ Accumulator pump
230 Volt
Only active if a sensor is connected to terminal 43/44.
230 Volt
Ignition
230 Volt
Burner motor
230 Volt
Flue gas fan
230 Volt
Motor boiler cleaning device
230 Volt
Burner fan
230 Volt
Safety temperature sensor
230 Volt
Power supply boiler control unit
24 Volt
PWM signal for room thermostat Z26 or BR1
24 Volt
PWM pump signal for output of room thermostat Z27
24 Volt
PWM pump signal for output of room thermostat Z28
24 Volt
Accumulator sensor
24 Volt
Combustion chamber sensor
24 Volt
Negative draft measuring
24 Volt
Boiler sensor
24 Volt
Outdoor sensor
24 Volt
DHW sensor
24 Volt
Not used
24 Volt
Pilot switch for hopper
24 Volt
Room thermostat Z40
24 Volt
Room thermostat Z39
24 Volt
Burner contact - Room thermostat Z38
-
Jumper for speed controlled high-efficiency pump
Cable routing
31
Installation Manual
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