Electrical installer
Installation, use and maintenance manual – GAHP A
25
4
Figure 4�1
GAHP A electrical panel
A
CAN-BUS cable gland
B
signal cable gland 0...10 V pump
Wilo Stratos Para
C
electronic boards
S61+Mod10+W10
D
terminal boxes
E
transformer 230/23 V AC
F
flame control unit
G
circulation pump power supply
and control cable gland
H
GAHP power supply cable gland
Terminals:
TER terminal box
L-(PE)-N
phase/earth/neutral GAHP power
supply
MA terminal box
N-(PE)-L
neutral/earth/phase circulation
pump power supply
3-4
circulation pump enable
How to perform connections
All electrical connections must be made in the appliance's Elec-
trical Board (Figure 4.1
p. 25):
1� Ensure the appliance's Electrical Panel is not live.
2� Remove the front panel of the appliance and the cover of the
Electrical Board.
3� Run the cables through the suitable holes in the Connection
Plate.
4� Run the cables through the suitable cable glands in the Elec-
trical Board.
5� Identify the appropriate connection terminals.
6� Perform the connections.
7� Close the Electrical Panel.and fit the front panel back on.
4.3
ELECTRICAL POWER SUPPLY
Power supply line
Provide (by the installer) a protected single phase line (230 V 1-N
50 Hz) with:
▶
1 three-pole cable type FG7(O)R 3Gx1.5;
▶
1 two-pole switch with two 5A type T fuses, (GS) or one 10A
magnetothermic breaker.
Figure 4�2
Electrical wiring diagram - Example of connection of appli-
ance to 230 V 1 N - 50 Hz electricity supply
TER
terminal block
L
phase
N
neutral
Components NOT SUPPLIED
GS
general switch
The switches must also provide disconnector capability,
with min contact opening 4 mm.
How to connect the power supply
To connect the three-pole power supply cable (Figure
4.2
p. 25):
1� Access the Electrical Board of the appliance accord-
ing to the Procedure 4.2