Mitsubishi Electric PEFY-P-NMHU-E2 Manuel D'installation page 3

[Fig. 6.3.1]
A
B
C
E
G
I
H
J
K
20
[13/16]
20
[13/16]
K
20
[13/16]
J
20
[13/16]
7
[Fig. 7.2.1]
Max. 20m [65 ft]
1.5-2m [5-7 ft]
B
A
K
B
D
E
F
F
H
[Fig. 7.2.2]
A
35 32
B
[1-7/16 in] [1-5/16 in]
C D
A Indoor unit
B Tie band (large) (accessory)
C Visible part
D Insertion margin
E Drain socket (accessory)
F Drain pipe (O.D. ø32 mm [1-1/4 in] PVC TUBE, field supply)
G Insulating material (field supply)
H Tie band (small) (accessory)
M
O
D
F
O
S
E
L
C
L
M
D D
F
G
I
F
E
25
[1 in]
G
D
H H
6.3
(Unit: mm [in])
A Thermal insulation tubing 1
B Caution:
C Refrigerant piping (liquid)
D Refrigerant piping (gas)
N
E Main body
F Thermal insulation tubing 2
R G Site refrigerant piping
P
H Ensure that there are no gaps between the insulation and the
Q
I Thermal insulation tubing (small) (accessory) 1
J Tie band (large) (accessory) 4
K Ensure that there is no gap here. Place join upwards.
L Thermal insulation tubing (large) (accessory) 2
M Cut
N Release gas before removing the brazing.
O Thermal insulation
P Pull
T
Q Pipe end
R Wrap with damp cloth
S Return to original position
T Ensure that there is no gap here.
7.2
Max. 300mm [1-13/16 in]
N
B
J
F
O
[Fig. 7.3.1]
A Insert pump's end 2 to 4 cm [13/16-1-5/8 in].
B Maintenance panel
C About 1000 cc
D Water
E Filling port
Pull out the thermal insulation on the refrigerant piping at the site,
braze the piping, and replace the insulation in its original position.
Take care to ensure that condensation does not form on exposed
copper piping.
main body.
Correct piping
Wrong piping
A Insulation (9 mm [3/8 in] 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 mm [1-1/4 in] PVC TUBE
E Make it as large as possible. About 10 cm [3-15/16 in].
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 in] PVC TUBE for grouped piping.
(9 mm [3/8 in] or more insulation)
J Up to 700 mm [27-9/16 in]
N Drain socket (accessory)
O Horizontal or slightly upgradient
7.3
B
A
E
C
D
3