Mitsubishi Electric NTXCKS A112 Serie Manuel D'installation page 8

6. Drainage piping work
1
Max. 65 ft
5 to 7 ft
A
B
2
K
B
3
Fig. 6-1
B
D E E
K
1-3/16 1-3/16 1-3/16
A
F
L
C
Fig. 6-2
7
C
L
M
Max. 6 in
H
C,K
A
I
G
6.1. Drainage piping work (Fig. 6-1)
• Use VP25 (O. D. ø32 mm (1-1/4 inch) PVC TUBE) for drain piping and provide
1/100 or more downward slope.
• Be sure to connect the piping joints using a polyvinyl type adhesive.
• Observe the fi gure for piping work.
1 Correct piping
2 Wrong piping
Do not place an air bleeder
It may cause overfl owing of drainage, K
Do not place a raised pipe on the piping, L
Do not place odor traps on the piping, M
3 Grouped piping
• Use the included drain hose to change the extraction direction.
A Insulation (9 mm (11/32 inch) or more)
B Downward slope (1/100 or more)
C Support metal
D O. D. ø32 mm (1-1/4 inch) 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 mm (1-1/2 inch) PVC TUBE for grouped piping
(9 mm (11/32 inch) or more insulation)
J Up to 850 mm (33 inch)
1. Connect the drain socket (supplied with the unit) to the drain port. (Fig. 6-2)
(Affi x the tube using PVC adhesive then secure it with a band.)
2. Install a locally purchased drain pipe (PVC pipe, O.D. ø32 mm (1-1/4 inch)).
(inch)
(Affi x the pipe using PVC adhesive then secure it with a band.)
3. Insulate the tube and pipe. (PVC pipe, O.D. ø32 mm (1-1/4 inch) and socket)
4. Check that drain fl ows smoothly.
J
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 Main unit
B Insulating material
C Band (large)
D Drain port (transparent)
E Insertion margin
F Matching
G Drain pipe (O.D. ø32 mm (1-1/4 inch)
PVC TUBE)
H Insulating material (purchased locally)
I Transparent PVC pipe
J O.D. ø32 mm (1-1/4 inch) PVC TUBE (Slope
1/100 or more)
K Band (middle)
L Drain socket