10
ELECTRICAL WORK
Minimum norminal cross-sectional
area of conductors:
Rated current
of appliance
(A)
>3 and <6
>6 and <10
>10 and <16
>16 and <25
Nominal cross-sectional
area
2
(mm )
0.75
1
1.5
2.5
NOTE
: The cable size and the current of the fuse
or switch are determined by the maximum current
indicated on the nameplate which located on the
side panel of the unit. Please refer to the nameplate
before selecting the cable, fuse and switch.
Connect the cable to the outdoor unit
Connect the cable to the indoor unit
NOTE: Before performing any electrical
work, turn off the main power to the system.
,
1. The inside and outside connecting cable can
be connected without removing the front grille.
2. The indoor power cord type is H05VV-F or
H05V2V2-F, the outdoor power cord and
interconnected cord type is H07RN-F.
3. Lift the indoor unit panel up, remove the
electrical box cover by loosening the screw
as shown in Fig.22.
4. Ensure the colour of wires of outdoor unit
and the terminal Nos. are the same to the
indoor s respectively.
5. Wrap those cables not connected with
terminals with insulation tapes, so that they
will not touch any electrical components.
Secure the cable onto the control board with
the cord clamp.
,
Terminal block of indoor unit
Fig.22
To outdoor unit
To outdoor unit
1. Remove the cover control from the unit by
loosening the 3 screws. See Fig.23.
2. Dismount caps on the conduit panel.
3. Temporarily mount the conduit tubes(not included)
on the conduit panel.
4. Properly connect both the power supply and low
voltage lines to the corresponding terminals on
the terminal block.
5. Ground the unit in accordance with local codes.
6. Be sure to size each wire allowing several inches
longer than the required length for wiring.
7. Use lock nuts to secure the conduit tubes.
G
G
Cover control
Over
1 3/5i
n.(40m
m)
Terminal block
Conduit panel
Connecting
cable
Power supply
cord
Outdoor unit
Fig.23a
L N S
L1 L2 S
or
Electrical box
cover
Front Panel
