INSTALLATIoN
Specification
22
| CK 20 S | CKZ 20 S | CKR 20 S | CKT 20 S www.stiebel-eltron.com
18.4 Wiring diagram CKR 20 S
6(1a)
5(1)
3(2a)
1(2b)
2(2)
26
�0
7�
31
�00
46
A1 Electric heater element assembly
F1 Overheating protection
M1 Fan
N1 Temperature controller
R1 Heating resistor
R2 Heating resistor
W1 Rocker switch
X1 Socket terminal
X2 Plug-in connection
18.5 Wiring diagram CKT 20 S
> 174°F ± 41°F
> 80°C ± 5K
ϑ
ϑ
> 174°F ± 41°F
> 80°C ± 5K
ϑ
1
3
2
4
6
5
1
2
N1
R1
R2
F1
F1
X1
X2
T1
M1
PE
L
N
A1
M
1 ~
26
�0
7�
31
�0
215
A1 Electric heater element assembly
F1 Overheating protection
M1 Fan
N1 Temperature controller
R1 Heating resistor
R2 Heating resistor
T1
60 minute time switch
X1 Socket terminal strip
