Wolf FWS-2-60 Instructions D'utilisation page 44

Time-independent
DHW circulation - Wiring Option A
In this mode, the DHW circulation pump
is enabled by briefly operating the hot
water draw-off point and is shut off by
the built-in thermostat when the
preset DHW circulation return tempera-
ture is reached. The time switch is not
used with this mode (to avoid continu-
ous operation).
Set function selector (C) to ON.
1 Power supply (230 V - 50 Hz)
2 Flow switch (FLS)
3 Freshwater module primary
pump (HE pump)
4 HE pump PWM signal
5 DHW circulation unit (CIRC
PUMP)
Time-dependent
DHW circulation - Wiring Option B
The DHW circulation pump is started
by a separately adjustable time switch.
DHW circulation stops when the preset
DHW circulation return temperature is
reached. The pump cycling operation is
thermostat-driven. DHW circulation is
disabled outside of the preset periods.
Set function selector (C) to
Electrical connection configuration
for a non-high-efficiency pump
44
Installing the ZP-3 DHW circulation mo-
dule
=
Circ
5
Pump
HE ~
3
Pump
=
4
=
=
Circ
5
Pump
HE
~
3
Pump
=
4
.
=
~
3
M
=
2
Connection of a non-high-efficiency pump; see appro-
priate electrical connection configuration
2
2
~
1
~
1
~ ~
1
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