4 Assembly and connection
Rittal air/water heat exchanger assembly instructions
15
EN
4.7.2 Installing the power supply
• Complete the electrical installation inside the air/
water heat exchanger underneath the cover as per
the wiring plan (cf. Fig. 30 on page 27).
• If you would like the system messages from the air/
water heat exchanger to be evaluated via the
system message relay, you should also connect a
suitable low-voltage cable to connection terminals
3 – 5.
Fig. 14:
Electrical wiring plan no. 1
Mains
S1
A2
Power
Term
S2
Kx
F2
PE
A1
T1
C2
M4
M2
M1
X1
NTC E blue
NTC I red
1~
M
M2
MV1
5
N
L
1
S1
1
2
3
2
3
2
1
3
2
1
L1
5
4
N
L2
PE
3
2
1
3
2
1
3
2
1
PE
8
2
B1
R1
L2
L1
22
S
21
2
1
L2
L1
L N
SK 3209.1xx, SK 3210.1xx
Содержание SK 3209. Series
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