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6. Drainage piping work
Max. 20m
1.5–2m
A
B
K
B
E
D
D
F
F
H
I
Fig. 6-1
A
B
C
L
F
11
25
25
25
D E
E
Fig. 6-2
7. Electrical work
A
B
E
D
J,K
Fig. 7-1
6
C
Max. 15cm
J
F
L
M
D
F
G
(mm)
G
C,K
H
I
K
C
G
F
H
I
6.1. Drainage piping work (Fig. 6-1)
• Use VP25 (O. D. ø32 PVC TUBE) for drain piping and provide 1/100 or more down-
ward slope.
• Be sure to connect the piping joints using a polyvinyl type adhesive.
• Observe the figure for piping work.
• Use the included drain hose to change the extraction direction.
1 Correct piping
2 Wrong piping
A Insulation (9 mm or more)
B Downward slope (1/100 or more)
C Support metal
K Air bleeder
L Raised
M Odor trap
Grouped piping
D O. D. ø32 PVC TUBE
E Make it as large as possible
F Indoor unit
G Make the piping size large for grouped piping.
H Downward slope (1/100 or more)
I O. D. ø38 PVC TUBE for grouped piping.
(9 mm or more insulation)
J Up to 85 cm
1. Connect the drain socket (supplied with the unit) to the drain port. (Fig. 6-2)
(Affix the tube using PVC adhesive then secure it with a band.)
2. Install a locally purchased drain pipe (PVC pipe, O.D. ø32).
(Affix the pipe using PVC adhesive then secure it with a band.)
3. Insulate the tube and pipe. (PVC pipe, O.D. ø32 and socket)
4. Check that drain flows smoothly.
5. Insulate the drain port with insulating material, then secure the material with a
band. (Both insulating material and band are supplied with the unit.)
A Unit
B Insulating material
C Band (large)
D Drain port (transparent)
J
E Insertion margin
F Matching
G Drain pipe (O.D. ø32 PVC TUBE)
H Insulating material (purchased locally)
I Transparent PVC pipe
J O.D. ø32 PVC TUBE (Slope 1/100 or more)
K Band (small)
L Drain socket
7.1. Indoor unit (Fig. 7-1)
1. Remove the two electrical wiring service panels.
2. Wire the power cable and control cable separately through the respective wiring
entries given in the diagram.
• Do not allow slackening of the terminal screws
• Always install an earth, longer than other cables.
(Earth cable dia: Thicker than 1.6 mm)
• Leave excess cable so that the electrical box can be suspended below the unit
during servicing. (Approx. 50 to 100 mm)
A Entry for control cable
B Entry for power
C Clamp
D Service panel for indoor controller switch setting
E Service panel for electrical wiring
F Electric heater power supply terminals (PLH models)
G Indoor / Outdoor unit connecting terminals
H Remote controller connector
I Secure with the clamp
J Intake sensor
K Holder
s Selecting non-fuse breaker (NF) or earth leakage breaker (NV).
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