Viessmann VITOCAL 300-G, Инструкции по установке и обслуживанию для подрядчиков

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39
General connection of a temperature limiter
B
M
1~
C
B
X2.N
?
A
X1.
Fig. 25
A Connection 212.2 on main PCB
Or
Connection 225.1 on expansion PCB
B Temperature limiter to restrict the maximum tem-
perature of underfloor heating circuit
C Heating circuit pump A1/HC1 or M2/HC2
Connecting the temperature limiter, part no.
7151728, 7151729
B
M
1~
C
B
sÖ
X2.N
?
A
X1.
Fig. 26
A
Connection 212.2 on main PCB
Or
Connection 225.1 on expansion PCB
B
Temperature limiter to restrict the maximum tem-
perature of underfloor heating circuit
C
Heating circuit pump A1/HC1 or M2/HC2
Connecting the temperature limiter, part no.
7151728, 7151729
B
to the mixer extension kit
M
1~
C
B
A
sÖ
sÖ
N
?
Fig. 27
A Plug sÖ : Connect to extension kit.
B
Temperature limiter to restrict the maximum tem-
perature of underfloor heating circuit
C
Heating circuit pump M3/HC3
Swimming pool heating
Note
■ Swimming pool heating is controlled via EA1 exten-
sion with KM-BUS.
■ Make connections to EA1 extension only in accord-
ance with Fig. 28.
■ A filter circuit pump cannot be controlled via the heat
pump control unit.
Installation sequence
Electrical connection
(cont.)
6153640
Installation