Wiring System Diagram - Technibel Climatisation MCAF78 Instructions D'installation

WARNING
G
Be sure to comply with local codes on running
the wire from the indoor unit to the outdoor unit
(size of wire and wiring method, etc.).
G Each wire must be firmly connected.
G
No wire should be allowed to touch refrigerant
tubing, the compressor, or any moving part.
G
Be sure to connect power wires correctly
matching up numbers on terminals of the
outdoor unit and respective indoor units A – D.
CAUTION
G Be sure to connect the power supply line to the
outdoor unit as shown in the wiring diagram.
The indoor unit draws its power from the
outdoor unit.
G Do not run wiring for antenna, signal, or power
lines of television, radio, stereo, telephone,
security system, or intercom any closer than
1 meter from the power cable and wires between
the indoor and outdoor units. Electrical noise
may affect the operation.

5-3. Wiring System Diagram

3 indoor units with GRF248MR5IAB
Grounding line
4
(B)
3
C
(B)
(C)
2
1
Grounding line
4
(B)
3
B
(B)
(C)
2
1
Grounding line
4
(B)
3
A
(B)
(C)
2
1
Fig. 25b
OUTDOOR UNIT
Terminal ( 9P )
9
8
7
6
5
4
3
2
1
1
Terminal
( 2P )
2
(A)
20
WARNING
G
To avoid the risk of electric shock, each air
conditioner unit must be grounded.
G
For the installation of a grounding device,
please observe local electrical codes.
G
Grounding is necessary, especially for units
using inverter circuits, in order to release
charged electricity and electrical noise
caused by high tension.
Otherwise, electrical shock may occur.
G
Place a dedicated ground more than 2 meters
away from other grounds and do not have it
shared with other electric appliances.
2 indoor units with GRF198MR5IAA
(A)
Grounding line
Single-phase 220-240VAC 50Hz
220VAC 60Hz
Power supply
Grounding line
4
(B)
3
B
(B)
(C)
2
1
Grounding line
4
(B)
3
A
(B)
(C)
2
1
Fig. 25a
4 indoor units with GRF248MR5IAA-318MR5IAA
Grounding line
4
(B)
3
(B)
D
(C)
2
1
Grounding line
(B)
4
(C)
3
(B)
C
2
1
(B)
Grounding
line
4
3
(B)
B
(C)
2
1
Grounding line
(B)
4
(C)
3
(B)
A
2
1
Fig. 25c
OUTDOOR UNIT
Terminal ( 8P )
8
7
6
5
4
3
2
1
OUTDOOR UNIT
Terminal ( 12P )
12
11
10
9
8
7
6
5
4
3
2
1
1
Terminal
2
( 2P )
(A)