Electrical installer
28
4
Figure 4.7
External heating request connection
SCH Electronic board
R
Common 24 V AC
W Heating request terminal
Components NOT SUPPLIED
CS
External request
SCH
CS
4.5
WATER PUMP
4.5.1
Option (1) constant flow pump
It must be mandatorily controlled from the S61 electronic board.
The diagram in Figure 4.8
p. 28 is for pumps < 700 W. For
pumps > 700 W it is required to add a control relay and arrange
Jumper J10 OPEN.
How to connect the constant flow circulating pump
1. Access the electrical board of the appliance according to
the Procedure 4.2
2. Connect board S61, to terminals 3-4 of terminal block
(MA).
3. Jumper J10 open if the pump is > 700 W or is a Wilo elec-
tronic pump, otherwise closed.
Figure 4.8
Water pump connection (power absorption less than 700W)
controlled directly by the appliance's board
SCH Electronic board
J10 Jumper (1)
N.O. CONTACT
N.O. voltage-free contacts
MA Appliance terminal block
L
Phase
N
Neutral
Components NOT SUPPLIED
PM Water pump < 700 W
Note
1
Jumper J10 must be closed if the installed pump is not a Wilo electronic
pump.
Jumper J10 must be opened if the installed pump is a Wilo electronic
pump.
4.5.2
Option (2) variable flow pump
It must be mandatorily controlled from the Mod10 electronic
board (built into the S61).
How to connect the variable flow circulation pump
The Wilo Stratos Para pump is already standard supplied
with the power supply cable and signal cable, both 1,5
m long.
For longer distances, use respectively cable FG7 3Gx1,5 mm² m
and shielded cable 2x0,75 mm² suitable for 0-10 V signal.
To connect the Wilo Stratos Para pump (Figure 4.9
or 4.10
1. Connect the brown wire of the pump to terminal "-"
HPMP of the Mod10 board, and the white wire of the
pump to terminal "+" HPMP of the Mod10 board.
2. Isolate the black wire and the blue one.
3. Protect the pump's supply line with a double pole switch
with 2 A delayed fuse (Detail IP, Figure 4.9
p. 29), or
connect it directly to the terminals inside the appliance's
electrical board (Detail MA, Figure 4.10
Содержание GAHP A indoor
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