Electrical Work - Mitsubishi Electric PAC-IF021B-E Mode D'emploi

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  • FRANÇAIS, page 53

4. Electrical work

C
Photo. 4-1
A
4.1.1. FTC unit power supplied from outdoor unit
The following connection patterns are available.
The outdoor unit must be powered properly. (Details are shown in its installation manual.)
D
A
B
C
S1
S2
S3
Photo. 4-2
FTC unit model
FTC unit-Outdoor unit
FTC unit-Outdoor unit earth
FTC unit-Outdoor unit S1-S2
FTC unit-Outdoor unit S2-S3
*1. Max. 80 m
*2. The figures are NOT always against the ground.
S3 terminal has DC 24 V against S2 terminal. However between S3 and S1, these terminals are not electrically insulated by the transformer or other device.
Notes: 1. Wiring size must comply with the applicable local and national codes.
2. Power supply cables and FTC unit/outdoor unit connecting cables shall not be lighter than polychloroprene sheathed flexible ca-
ble. (Design 0245 IEC 57)
3. Install an earth wire longer than other cables.

C
B
E
F
L
N
S1
S2
S3
E
*1
*1
*2
*2
4.1. FTC (Photo. 4-1)
1. Remove the cover.
2. Wire the power cable and control cable separately through the re-
spective wiring inlets given in the photo.
• Make sure to put screws tightly.
A Inlet for control cable
B Inlet for power
C Clamp
D FTC / Outdoor unit connecting terminals
E Earth terminal
D
A
Outdoor unit power supply
B
Earth leakage breaker
C
Wiring circuit breaker or isolating switch
D
Outdoor unit
E
FTC unit/outdoor unit connecting cables
F
FTC unit
TB6
L
N
Earth cable
PAC-IF021B-E
3× 1.5 (polar)
1 × Min.1.5
AC 230 V
DC24 V
S1
S2
S3
E: FTC unit/outdoor unit
connecting cables

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