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5. Electrical installation
Safety standards
- The supply voltage must be within a range of 90% to 110% of nominal value.
- The thermal circuit breaker and breaker should be 1.5 times the nominal consumption.
- All installation and wiring must comply with local and national average and the installation should
be performed by qualified personnel.
-
The minimum section of wiring should be as follows according to consumption.
Connect the cable to the outdoor unit
1. Remove the electrical control board cover
from the outdoor unit by loosening the screw
as shown in figure.
2. Connect the connective cables to the
terminals as identified with their respective
matched numbers on the terminal block of
indoor and outdoor units.
3. Secure the cable onto the control board with
the cord clamp.
4. To prevent the ingress of water, from a loop
of the connective cable as illustrated in the
installation diagram of indoor and outdoor
units.
5. Insulate unused cords (conductors) with
PVC-tape.Process them so they do not
touch any electrical or metal parts.
Model
AM2-H18/4DR1
AM3-H27/4DR1
Interconnection wiring between the outdoor unit and indoor units
For the interconnection between the outdoor unit and each indoor unit, use
Outdoor unit
Terminal block
A
L N
230V - 50Hz
Indoor unit
Terminal block
N
L
Indoor unit
Wall type
ELECTRICAL INSTALLATION
Po w er W ire
2
2 x 2,5 + T mm
2
2 x 4 + T mm
B
PE
PE
L N
C
C
PE
PE
L N
C
S
Indoor unit
Cassette/Duct
40
ICP
Differential s w itch
16 A
2P 30mA
20 A
2P 30mA
2
3x1,5mm + T cable.
C
D
PE
L N
C
L N
C
PE
L N
C
L N
C
Screw
Cover
E
PE
L N
C
PE
L N
C
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