STIEBEL ELTRON WWS 20 - Page 29

64 | WWS 20 www.stiebel-eltron.com
INSTALLATION
Specication
9
F2 E1E2E3F3 F1 NCNC
WWS 20
E3 E2F2 F1
x1
x2
Y1
P
11
12
S1
3
M
M2
x1
x2
C2
2 1 2 1 2 1 2 1 6 5 4 3 1 2 1
x1
x2
F3
X1
E3 E2
PE
PE
3
M
BN BK BU PE
BN BK BU PE
M1
W12W11W9W8
x1
x2
C1
W10
W6 W5 W4 W3
P
11
12
HD
W2 W1
NC
1~
M
1 2
PE
M3
W7
L N PE
13
14
K3
13
14
K2
F1
PE
L N PE L N PE L N PE L N PE L N PE
2
L N PE
X2
x1
x2
F1
x1
x2
F2
F2
PE
L
N
PE
A1
D0000068748
1
1 Power plug
A1 Controller
E2 Power supply utility input
E3 Smart grid input
F1 Control sensor (temperature at the centre of the DHW cylinder)
F2 Display sensor (temperature at the top of the DHW cylinder)
F3 Defrost sensor on the evaporator
HD Pressure switch
M1 Compressor motor
M2 Fan motor
M3 Charging pump motor
X1 Terminal box
X2 Terminal box
Y1 Defrosting
W7 Appliance power supply
W8 Compressor
W9 Electric heater rod
W10 Charging pump
W11 Valve
W12 Fan