57
RG-4
56
RG-2
55
RG-1
54
53
52
Black (5)
51
Black (4)
N
Neutral
115
Blue
13
Black (open)
14
Brown (close)
PE
119
N
18
L1
21
Communication with heat pump
PE
L3
L2
Power supply
L1
Power supply 230V 1N
No
Information
61
60
59
58
57
RG-4
56
RG-2
55
RG-1
54
53
52
Black (5)
51
Black (4)
N
Neutral
115
Blue
13
Black (open)
14
Brown (close)
PE
119
N
L1
18
21
Communication with heat pump
PE
N
Power supply
L1
Room sensor.
RG
RG-4 are the marked poles inside the
room sensor housing.
Night temp / External control.
See description.
Mixing valve position switch.
Factory mounted.
Mixing valve signal.
Factory mounted.
Radiator circulation pump
Installation of:
Primary flow sensor.
Free polarity of cables
Outdoor sensor.
Free polarity of cables
Room sensor.
RG
RG-4 are the marked poles inside the
room sensor housing.
Night temp / External control.
See description.
Mixing valve position switch.
Factory mounted.
Mixing valve signal.
Factory mounted.
Radiator circulation pump