Mitsubishi Electric CITY MULTI PLFY-WL NFMU-E Serie Manual De Instalación página 6

3. Connecting drain pipe
1
Max. 65 ft
5 to 7 ft
2
3
B
D E E
1-3/16 1-3/16
1-3/16
A
F
L
C
en
4
Max. 6 inch
Fig. 3-1
H
C,K
K
A
I
G
Fig. 3-2
3.1. Drainage piping work (Fig. 3-1)
• 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. 3-2)
(Affix the tube using PVC adhesive then secure it with a band.)
2. Install a locally purchased drain pipe (PVC pipe, O.D. ø32 mm (1-1/4 inch)).
(Affix 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 flows smoothly.
5. Insulate the drain port with insulating material, then secure the material with a
(inch)
band. (Both insulating material and band are supplied with the unit.)
A
Unit
B
Insulating material
J
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