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Mitsubishi Electric PAC-SF46EPA Manuel D'installation page 6

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  • FRANÇAIS, page 20
2. Connect the power supply and transmission wiring. (Refer to 4-2 and 4-3.)
3. After connection for the each cable, fasten the each cable with the cable fixture.
4. After finishing the wiring, be sure to secure the cover with the screws before turning on the power source.
4-2. Power Line
Wire the power cable and protective earth cable (grounding cable) to L/L1, N/L2 and the earth line (grounding line) terminals on the TB1 as shown in
the Fig.4-3.
Power source
EU: ~220 V - 240 V 50 Hz
US: ~208 V - 230 V 60 Hz
Fig.4-3
4-3. M-NET transmission line
Wire the M-NET transmission cable to A, B (non-polarity data) and S (shield) terminals on the TB2 and TB3 as shown in the Fig.4-4.
NOTES:
• The shield wire of M-NET transmission line shall be grounded by one point similar to earthing (grounding) method.
• The shield wire shall be connected to the S terminal of the only one unit on the common transmission line.
CAUTION:
• Do not mistake transmission line terminal block 1 (TB2) and transmission line terminal block 2 (TB3) when performing the wiring. The
Transmission Booster will not operate correctly if the terminal blocks are connected in reverse.
• Since the M-NET transmission line is 30 VDC, do not mistake it with the power line when performing the wiring. (The machine will be broken if
the power line is connected to TB2 or TB3.)
• In order to prevent erroneous operations, do not store the power line and M-NET transmission line banded together or in the same conduit.
• Connect the ground wire certainty.
(If the ground wire is not correctly connected, there is a danger of electric shocks or incorrect operations due to the influence of the noise.)
• Never use a megohm tester on the transmission line terminal blocks (TB2 and TB3).
6
Circuit breaker
Power cable
Protective earth cable
Ground
(Grounding cable)
Power cable
Protective
earth cable
(Grounding cable)
* EU shows L/N and the
US shows L1/L2
Fig.4-4
PAC-SF46EPA
Shield
(ADDITIONAL INDOOR UNIT SIDE)
(OUTDOOR UNIT SIDE)
M-NET transmission A, B line
(Non-polarity DC30V)

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