Electrical Work - Mitsubishi Electric CITY MULTI PKFY-P VGM-E Manuel D'installation

5. Drainage piping work
1
A
3
A
4
B
Fig. 5-2
A
C
B
D C
Fig. 5-3

6. Electrical work

A
Fig. 6-1
B A
1
M1 M2 M1 M2
TB3 TB5
B
2
M1 M2
TB3
Fig. 6-2
6
2
a
b
A
A Gas pipe
B Liquid pipe
C Felt tape 3
D Drain hose
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
Preparing left and left rear piping (Fig. 5-2)
1 Remove the drain cap.
• Remove the drain cap by holding the bit that sticks out at the end of the pipe and
pulling.
A Drain cap
2 Remove the drain hose.
• Remove the drain hose by holding on to the base of the hose a (shown by arrow)
and pulling towards yourself b.
3 Insert the drain cap.
• Insert a screwdriver etc into the hole at the end of the pipe and be sure to push to
the base of the drain cap.
4 Insert the drain hose.
• Push the drain hose until it is at the base of the drain box connection outlet.
• Please make sure the drain hose hook is fastened properly over the extruding drain
box connection outlet.
B Hooks
Remove the side panel of the indoor unit on the drain side. Pour water in the drain
pan and check that it comes out the drain pipe end. After confirmation, reinstall the
side panel.
5.2. Completing the piping (Fig. 5-3)
Using the unit's pipe storage space (for left and left rear piping)
• To prevent cooling pipes from gathering moisture, wrap the pipes that are in the
unit's pipe storage space with the felt tape provided 3.
• When wrapping with the felt tape, be sure to double over by no more than half the
width of the tape.
• Use a bandage clip etc to fasten the end to the felt tape.
6.1. Indoor unit (Fig. 6-1)
1. Remove the corner box.
2. Install each wire into the unit.
3. Open the front grill, remove 1 tapping screw and remove the terminal block cover.
4. Connect each wire properly to the terminal block.
• In consideration of future servicing, please leave some leeway for the wiring length.
5. Put all the parts back the way they were.
6. Use a clamp from the bottom of the electric parts box to fasten each wire.
A Terminal block cover
B Terminal block for transmission cable
Non polarized M1, M2
C Terminal block for power supply
Polarized L, N,
D Clamp to fasten wires
E MA remote controller terminals
Non polarized 1, 2
Power supply wiring
• Power supply codes of appliance shall not be lighter than design 245 IEC 53 or 227
IEC 53.
• Install an earth longer and thicker than other cables.
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.
6.2. Connecting remote controller, indoor and outdoor
transmission cables (Fig. 6-2)
• 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
2
2 junction cable.