4 Electrical installer
Installation, Use and Maintenance Manual – GAHP-A
25
Installation must comply with applicable regulations in
force, based on the installation Country and site, in mat-
ters of safety, design, implementation and maintenance
of electrical systems.
Installation must also comply with the manufacturer's
provisions.
Live components
▶
After placing the appliance in the final position, and
prior to making electrical connections, ensure not to
work on live components.
Earthing
▶
After placing the appliance in the final position, and
prior to making electrical connections, ensure not to
work on live components.
▶
It is forbidden to use gas pipes as earthing.
Cable segregation
Keep power cables physically separate from signal ones.
Do not use the power supply switch to turn the ap-
pliance on/off�
▶
Never use the external isolation switch (GS) to turn
the appliance on and off, since it may be damaged
in the long run (occasional black outs are tolerated).
▶
To turn the appliance on and off, exclusively use the
suitably provided control device (DDC, CCP/CCI or
external request).
Control of water circulation pump
The water circulation pump of the hydraulic/primary
circuit must mandatorily be controlled by the unit's
electronic boards (S61 + Mod10). It is not admissible to
start/stop the circulating pump with no enable from the
appliance.
4�2 ELECTRICAL SYSTEMS
Electrical connections must provide:
▶
(a) power supply (Paragraph 4.3 p. 26);
▶
(b) control system (Paragraph 1.5 p. 13).
How to perform connections
All electrical connections must be made in the appli-
ance's Electrical Board (Figure 4.1 p. 26):
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 Con-
nection Plate.
4. Run the cables through the suitable cable glands in
the Electrical Board.
5. Identify the appropriate connection terminals.
6. Perform the connections.
7. Close the Electrical Panel.and fit the front panel back
on.