Mitsubishi Electric CITY MULTI PUMY-P200YKM Manuel D'installation page 7

4 Installing the re rigerant piping
A+a+b+c+d+e+f
L = A+f
H 50 m (Outdoor lower H
h 15 m
A
L
a b c d e
Fig 4-1
45°± 2°
A Flare cutting dimensions
B Flare nut tightening torque
Fig 4-2
A (Fig. 4-2)
Copper pipe O.D. Flare dimensions
(mm) øA dimensions (mm)
ø6.35 8.7 - 9.1
ø9.52 12.8 - 13.2
ø12.7 16.2 - 16.6
ø15.88 19.3 - 19.7
ø19.05 23.6 - 24.0
B (Fig. 4-2)
Copper pipe O.D. Flare unt O.D.
(mm)
ø6.35
ø6.35
ø9.52
ø12.7
ø12.7
ø15.88
ø15.88
ø19.05
Fig 4-
A+B+C+D+a+b+c+d+e 150 m
L = A+B+C+D+e 80 m
30 m
H 50 m (Outdoor lower H
h 15 m
A
L
e
B C D
a b c d
150 m
30 m
40 m)
A : Outdoor Unit
B : First Branch
C : Indoor unit
D : Cap
f
Tightening torque
(mm)
17 14 - 18
22 34 - 42
22 34 - 42
26 49 - 61
29 68 - 82
29 68 - 82
36 100 - 120
36 100 - 120
A
A
Die
B Copper pipe
A
L 60 m
40 m)
B, C, D
C Total capacity of indoor units
~
16.1
~
a, b, c, d, e, f
D Model number
15, 20, 25, 32, 40, 50
63, 80, 100, 125, 140
200
F 4-Branching header
CMY-Y64-G-E
pipe size and piping length.
4 2 Connecting pipes Fig 4-2
Fig. 4-1 is a sample of piping system.
from the refrigerant piping. (liquid pipe/gas pipe)
is installed, or condensation may occur on the surface of the insulation material.
(Insulation material Heat-resistant temperature: 120 °C, Thickness: 15 mm or more)
humidity such as in the attic, further addition of insulation may be required.
the indoor unit and insulation material as well as to the net between the insulation
(Condensation forming on the piping may result in condensation in the room or
burns when contacting the piping.)
A
completed.
Gas side Pipe size (mm)
Liquid side Pipe size (mm)
Make sure the pipes do not contact the compressor. Abnormal noise or vibration
may result.
1 Pipes must be connected starting from the indoor unit.
Flare nuts must be tightened with a torque wrench.
2 Flare the liquid pipes and gas pipes and apply a thin layer of refrigeration oil (Ap-
plied on site).
pipes.
arning
hen installing the unit securel connect the re rigerant pipes e ore starting
the co pressor
Table 3 (Fig. 4-3)
Copper pipe O.D. (mm)
ø6.35
ø9.52
ø12.7
ø15.88
ø19.05
A Liquid pipe B Gas pipe
ø9.52 ø19.05
ø12.7 ø19.05
A Liquid pipe B Gas pipe
ø9.52 ø15.88
ø9.52 ø19.05
A Liquid pipe B Gas pipe
ø6.35 ø12.7
ø9.52 ø15.88
ø9.52 ø19.05
E Branch kit model
CMY-Y62-G-E
G 8-Branching header
CMY-Y68-G-E
B
D
Indoor unit
15 - 50 63 - 140 200
ø12.7 ø15.88 ø19.05
ø6.35 ø9.52 ø9.52
A (mm)
Flare tool for R410A Flare tool for R22·R407C
Clutch type
0 - 0.5
0 - 0.5
0 - 0.5
0 - 0.5
0 - 0.5
(mm)
(mm)
(mm)
-
C
Outdoor unit
ø19.05
ø9.52
1.0 - 1.5
1.0 - 1.5
1.0 - 1.5
1.0 - 1.5
1.0 - 1.5