16
Rittal air/water heat exchanger assembly instructions
4 Assembly and connection
EN
Fig. 15:
Electrical wiring plan no. 2
Legend
A1
Power PCB
A2
Basic or Comfort controller
B1
Temperature sensor, internal temperature
C2
Operating capacitor
K1
Relay collective fault 1
K2
Relay collective fault 2
L1
LED operational green
L2
LED alarm red
M2
Fan
MV1
Magnetic valve
R1
Potentiometer for setting the temperature
S1
Door limit switch
(without door limit switch: terminal 1, 2 open)
S2
Float switch (closed without water)
T1
Transformer (optional)
X1
Main terminal strip
X2
Master-slave connection
X3
Optional interface
Tab. 2: Contact data
T1
L2
L1
L N
Mains
S1
A2
Power
Term
S2
Kx
F2
PE
A1
M4
M2
M1
X1
NTC E blue
NTC I red
5
N
L
1
S1
3
2
1
2
3
2
1
3
2
1
L1
5
4
N
L2
PE
3
2
1
3
2
1
3
2
1
4
2
B1
22
S
21
X2
X3
8
3
K2
K1
NTC C white
NTC A yellow
Level green
1
2
MS1
Serial
C2
1~
M
M2
MV1
SK 3209.5xx, SK 3210.5xx
Note:
For technical data refer to the rating plate.
AC
cos f = 1
DC
L/R = 20 ms
I max. = 2 A
U max. = 250 V
I min. = 100 mA
U max. = 200 V
U min. = 18 V
I max. = 2 A
Summary of Contents for SK 3209. Series
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