Wolf FWS-2-80, Installation Instructions Manual, Page: 35 / 104

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Electrical terminal assignment
It is recommended that you have the system serviced annually by a qualified contractor.
Recommended cylinder temperature:
The cylinder temperature should be approx. 5-10 K above the required DHW temperature.
Notes
Commissioning
VBus
VBus
PWM
A
12
V
Out
S3
GND
DIP
S4
Sensors
S2 S1
100 ... 240 V
T2A
50-60 Hz
N
N N N N
R3
R3 R2 R1
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
R2 R1 L
L
R1-R3|1 (1) A 240 V~ R4|1 (1) A 30V
R4 TX PWM
B
R4 RX
1 4 3 2
FreshControl
2
12 V
Out
T-WW/dV
VFS
S4
S1
R1
R2
PWMA PWMB
T-VL
2 2 3 3 3
Netz
Mains
4
V
IP 20
40
45
50 55
60
65
°C
SERVICE
>70° C
WARNING!
Electric shock!
When the casing is open, live
components are exposed.