Operating instructions

20 RITTAL cooling unit assembly and operating instructions
4 Assembly and connection
EN
Fig. 31: Electrical wiring plan no. 11
Fig. 32: Electrical wiring plan no. 12
SK 3304.540, SK 3304.542, SK 3305.540, SK 3305.542, SK 3328.540, SK 3329.540, SK 3304.640,
SK 3305.640, SK 3328.640, SK 3329.640, SK 3366.540, SK 3377.540, SK 3366.640, SK 3377.640
M4
M1
NTC I red
A2
B1
B2
P
V
U
F3
W
PE
X2
L1
PE
1
23
45
L3L2
T1
321
Power
1
2
241
3
S1
A1
1
2
3
4
F3 F2
F4
M2
1
2
3
4
1
2
1
2
3
12
M4 F5
2
3~
M
5
X1
X3
83
22
21
S1
NTC E blue
NTC C white
NTC A yellow
Level green
Te rm
MS1
Serial
2
2
2
2
4
B3
B4
B5
Kx
M1
1
2
3
4
3
M2
3~
M
F2
K2
K1
F11 F12
E1
Mains
M2
6
NTC I red
NTC E blue
Te rm
L1
L2
R1
B1
B2
P
3~
V
U
W
PE
S1
22
21
L1
PE
1
23
45
L3L2
T1
321
Power
RST
12 241
3
Kx
M1
1
2
3
4
1
2
3
4
F3 F2
F4M2
1
2
3
4
1
2
1
2
3
12
M4 F5
2
2
M
M4
3~
M
X1
S1
A1
A2
3
M1
F2
8
SK 3332.140/.240
F11 F12
E1
Mains