
INsTALLATIoN
Specification
www.stiebel-eltron.com
WWK 221-301 electronic |
75
EN
GL
ISH
16.1.3 WWK 301 electronic SOL
695
770
g02
8-24
220
968
1290
1525
b01
d45
c06
c10
i43
h22
h23
c01
730
d33
325
d34
1905
g01
1750
290
405
g27
g26
389
D
00000
50
42
5
WWK 301 electronic soL
b01 Entry electrical cables
c01 Cold water inlet
Male thread
G 1
c06 DHW outlet
Male thread
G 1
c10 DHW circulation
Male thread
G 1/2
d33 Heat generator flow
Female thread
G 1
d34 Heat generator return
Female thread
G 1
d45 Condensate drain
Male thread
G 3/4
g01 Air intake
Nominal diameter
DN 200
g02 Air discharge
Nominal diameter
DN 200
g26 Air intake optional
Nominal diameter
DN 160
g27 Air discharge optional
Nominal diameter
DN 160
h22 Sensor heat source
Diameter
mm
9.6
h23 Sensor heat source optional
Diameter
mm
9.6
i43 Cover for manufacturing aperture
16.2 Wiring diagram
A1 Electronic assembly (control unit)
A2 Electronic assembly (programming unit)
C1 Capacitor
E1 Heating element
F1
High limit safety cut-out TSR
F2 Motor overload relay M1
F3 High pressure switch with automatic reset
F4 Fuse
G1 Impressed current anode
M1 Compressor
M2 Fan
N1 Thermostat TSR
R1 Resistance
S1 DIP switch ( Operating mode )
S2 DIP switch
T1
Cylinder top/integral temperature sensors
T2 Temperature sensor, hot gas
T3 Temperature sensor, air intake
T4
Temperature sensor, evaporator
X0 Mains terminal
X1 Terminals
X2 PWM terminals
X3 External terminals
V1 Solenoid valve (live in heating mode)
V2 Solenoid valve (live in defrost mode)
storage tank Cylinder
cap
Cover
coat
Jacket