Mitsubishi Electric CITY MULTI PKFY-P VFM-E Series Installatiehandleiding pagina 6
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5. Drainage piping work (Fig. 5-1)
On-site drain pipe
Drain socket
Felt tape 5
Drain pipe
Fig. 5-1
6. Electrical work
A
B
C
D
E
A Terminal block cover
B Securing screw on the terminal block cover G Terminal block for transmission
C Wire fastening band
D Printed circuit board cover
E Right side panel
Fig. 6-1
B
A
1
M1 M2
M1 M2
S
TB3
TB5
B
2
M1 M2
TB3
TB5
Fig. 6-2
6
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Unit's drain pipe
Apply PVC adhesive
Liquid pipe
Gas pipe
F
G
H
I
J
F Terminal block for MA Remote controller
H Terminal block for power supply
I Power supply wiring & connection wiring
J Cord clamp
A
1
2
M1 M2
S
1
2
TB15 TB5
TB15
C
C
A
A
M1 M2
S
M1 M2
S
TB5
C
C
• Drain pipes should have an inclination of 1/100 or more.
• Use PVC pipe VP-20 (O.D. ø26 PVC TUBE) for drain piping.
• Drain pipes can be cut with a knife at the connection point according to the on-site
conditions.
• When connecting the VP-20, use adhesive to attach the supplied drain socket.
• To prevent dripping condensation, put felt tape 5 over the insulation materials on
the refrigerant and drain pipes within the unit as shown in the diagram.
Caution:
The drain pipe should be installed according to this Installation Manual to en-
sure correct drainage. Thermal insulation of the drain pipes is necessary to
prevent condensation. If the drain pipes are not properly installed and insu-
lated, condensation may drip on the ceiling, floor or other possessions.
6.1. Indoor unit (Fig. 6-1)
1 Remove the right side panel.
To do this, remove the screws on the lower and right sides.
Remove the securing screw on the terminal block cover to take away the cover.
• The top end is hanging on a catch. Slide the cover to the right and upward for
removal.
2 Connect the power line, control line from the outdoor unit, and remote con-
trol lines.
After connecting, secure the wires with the cable band.
s Fix power source wiring to control box using buffer bushing for tensile force.
(PG connection or the like.)
• Since the electric box may need to be pulled out for servicing or other occasions,
wires must have enough slack.
• Class 3 grounding work must be conducted (grounding wire diameter: 1.6 mm or
more)
After wiring is completed, reinstall the parts in the reverse order of removal.
Note:
• 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.
• Power cable size: more than 1.5 mm
• A means for the disconnection of the supply with an isolation switch, or simi-
lar device, in all active conductors shall be incorporated in the fixed wiring.
• Selecting non-fuse breaker (NF) or earth leakage breaker (NV).
• A switch with at least 3 mm contact separation in each pole shall be provided
by the air conditioner installation.
Warning:
Wiring should be done so that the power lines are not subject to tension. Oth-
erwise, heat may be generated or fire may occur.
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.
2
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