12 Rittal air/water heat exchanger assembly instructions
4 Assembly and connection
EN
Fig. 17: Electrical wiring plan no. 1
Key
A1 Power PCB (Basic 2)
A2 Display terminal
B1 Temperature sensor, internal temperature
C2 Operating capacitors
(does not apply to 3375.XXX)
Kx Collective fault relay
M2 Fan
S2 Float-actuated switch (optional)
X1 Main terminal strip (terminals 1 and 2 are free)
Y1 Magnetic valve
T1 Transformer (optional)
Contact data Kx (Basic controller)
Tab. 3: Contact data Kx
Fig. 18: Electrical wiring plan no. 2
Key
A1 Power PCB (Comfort)
A2 Temperature sensor
B1 Temperature sensor, internal temperature
Kx Relay K1 collective fault 1
Relay K2 collective fault 2
M2 Fan
C2 Operating capacitor
(does not apply to 3375.XXX)
S1 Door limit switch
(without door limit switch: terminal 1, 2 open)
S2 Float-actuated switch (closed without water)
X1 Main terminal strip
X2 Master-slave connection
X3 Serial interface (optional)
T1 Transformer (optional)
Y1 Magnetic valve
Contact data K1, K2 (e-Comfort controller)
Tab. 4: Contact data K1, K2
AC
cos f = 1
DC
Res. load
I
max.
= 4 A
U
max.
= 250 V
I
max.
= 4 A
I
min.
= 100 mA
U
max.
= 200 V
U
min.
= 10 V
Note:
For technical data, refer to the rating plate.
2
NTC_I
2
NTC_E
PE
PE
Power/G1
L N
Kx
PE
1
2
3
3
2
1
D0-E D0-I
/Y1 /M2
1
34
2
A2
A1
Mains
L1 N PE 21345
X1
M2Y1
1~
M
C2
D0-E/Kx
8 pol.
TO INTERFACE
8
S2
B1
Option T1
L1
L2
N
T1
L1 L1/N
L1 L2/N
3363.1XX, 3364.1XX,
3373.1XX, 3374.1XX, 3375.1XX
(does not apply to
3375.XXX)
AC
cos f = 1
DC
Res. load
I
max.
= 2 A
U
max.
= 250 V
I
max.
= 1 A
U
max.
= 30 V
83
PE
Term
Level
NTC_E
NTC_I
NTC_A
NTC_C
F2
Power/G1
Kx
PE
L
S1 K2 K1
1
2
3
1
2
3
1
2
1
2
3
2
1
2
33
1
N
M1
M2
M4
1
2
S
S2
1~
M2
AC
A1
A2
X2
MS1 Serial
X3
Mains
S1
L1 PE 2134
22
21
5
L2
N
X1
Y1
PE
PE
PE
PE PE
Option T1
L1
L2
N
T1
L1 L1/N
L1
L2/N
4
2
B1
C2
3363.5XX, 3364.5XX,
3373.5XX, 3374.5XX, 3375.5XX
(does not apply to 3375.XXX)
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