Electrical Work - Mitsubishi Electric City Multi PMFY-P VBM-E Série Manuel D'installation

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  • FRANÇAIS, page 18
3. Refrigerant pipe and drain pipe
B
Fig. 3-5
A
Fig. 3-6

4. Electrical work

A
B
F
A Cover
B Electrical box
C Terminal block for power supply
D Terminal block for transmission cable
E Control board
F Address board
G Secure with the wiring clamp
H Terminal block for MA Remote controller
Fig. 4-1
B
A
1
M1 M2
M1 M2
TB3
TB5
B
2
M1 M2
TB3
Fig. 4-2
6
E
F
G
C
H
D
I
C
D
G
H
E
F
A
S
1
2
M1 M2
S
1
2
TB15 TB5
TB15
C
C
A
A
M1 M2
S
M1 M2
S
TB5
TB5
C
C
In cases of upward drainage (Fig. 3-5)
• The largest dimension possible for the vertical section at B is 60 cm from the
lower surface of the ceiling. Make this vertical section as short as possible.
Water drainage check (Fig. 3-6)
1. Fill the drainage pan with about 0.5 liters of water. (Don't pour water directly into
the drain pump.)
2. Make a test run of the unit (in Cooling mode).
3. Check for water drainage at the transparent check window and the outlet of the
drainage pipe.
4. Stop the test run. (Don't forget to turn off the power.)
A Ceiling panel
B Max. 60 cm
C Position of drain outlet
D Make as short as possible (Max. 15 cm)
E Make as small as possible
4.1. Electric wiring (Fig. 4-1)
* Make sure all electrical wiring is complete before installing the cover panel.
1. Remove the cover from the address board (two bolts).
2. Remove the cover from the electrical box (one bolt).
3. Remove the bolts securing the electrical box and lower the box (two bolts).
4. Insert the wires into the electrical box.
5. Connect the wires securely to the terminal block.
* Be sure to make the various wires long enough so the box may be lowered from
the unit during servicing.
6. Secure the wires with the wiring clamp on the side of the electrical box.
7. Replace the parts you have removed to their original locations.
A means for the disconnection of the supply with an isolation switch, or similar de-
vice, in all active conductors shall be incorporated in the fixed wiring.
Power supply wiring
• Power supply codes of appliance shall not be lighter than design 245 IEC 53 or 227
IEC 53.
• A switch with at least 3 mm contact separation in each pole shall be provided by the
air conditioner installation.
2
Power cable size: more than 1.5 mm
• Install an earth longer and thicker than other cables.
4.2. Connecting remote controller, indoor and outdoor
transmission cables (Fig. 4-2)
• Connect indoor unit TB5 and outdoor unit TB3. (Non-polarized 2-wire)
The "S" on indoor unit TB5 is a shielding wire connection. For specifications about
the connecting cables, refer to the outdoor unit installation manual.
• Install a remote controller following the manual supplied with the remote controller.
• Connect the remote controller's transmission cable within 10 m using a 0.75 mm
core cable. If the distance is more than 10 m, use a 1.25 mm
1 MA Remote controller
• Connect the "1" and "2" on indoor unit TB15 to a MA remote controller. (Non-polar-
ized 2-wire)
• DC 9 to 13 V between 1 and 2 (MA remote controller)
2 M-NET Remote controller
• Connect the "M1" and "M2" on indoor unit TB5 to a M-NET remote controller. (Non-
polarized 2-wire)
• DC 24 to 30 V between M1 and M2 (M-NET remote controller)
A Terminal block for indoor transmission cable
B Terminal block for outdoor transmission cable
C Remote controller
F Downward slope (1/100 or more)
G Make as great as possible (Min. 10 cm)
H Drainage pipe vertical section
I Water bottle (procure locally)
2
junction cable.
2

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