Mitsubishi Electric PUMY-P112VKM1, Руководство по установке

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7
A (mm)
È
Liquid pipe
É
Gas pipe
PUMY-P112-140 ø9.52 ø15.88
B, C, D (mm)
Ê
Total capacity of indoor units
È
Liquid pipe
É
Gas pipe
ø9.52 ø15.88
a, b, c, d, e, f (mm)
Ë
Model number
È
Liquid pipe
É
Gas pipe
15, 20, 25, 32, 40, 50 ø6.35 ø12.7
63, 80, 100, 125, 140 ø9.52 ø15.88
Ì
Branch kit model
CMY-Y62-G-E
Í
4-Branching header
Î
8-Branching header
CMY-Y64-G-E CMY-Y68-G-E
* When connecting the CONNECTION KIT (PAC-LV11M-J) and an M-series indoor
unit, refer to the installation manual for the CONNECTION KIT when selecting the
pipe size and piping length.
4. Installing the refrigerant piping
A
H
B C
L
ℓ
D
e
a
h
b c d
A
a b c d e f
H
h
L
ℓ
A
: Outdoor Unit
B
: First Branch
C
: Indoor unit
D
: Cap
A+B+C+D+a+b+c+d+e 300 m
L = A+B+C+D+e 150 m
ℓ = B+C+D+e 30 m
H 50 m (Outdoor lower H 40 m)
h 15 m
A+a+b+c+d+e+f 300 m
L = A+f 150 m, ℓ = f 30 m
H 50 m (Outdoor lower H 40 m)
h 15 m
Fig. 4-1
4.2.2. Connection with Branch Box (Fig. 4-2)
Flared connections
• This unit has flared connections on each indoor unit and branch box and outdoor
unit sides.
• Remove the valve cover of the outdoor unit, then connect the pipe.
• Refrigerant pipes are used to connect the branch box and outdoor unit.
Fig. 4-2
L
I
h2
b2
b1
c1
a6 a5
a4 a3 a2
h3
h1
H
a1
a7 a8
Outdoor unit
Branch box
Indoor unit
Permissible
length
(one-way)
Total piping length c1 + b1 + b2 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 150 m
Farthest piping length (L)
c1 + b2 + a8 80 m (b2 55 m, a8 25 m)
Piping length between outdoor unit and branch boxes c1 + b1 + b2 55 m
Farthest branch box from the first joint (b2) b2 30 m
Farthest piping length after branch box (l) a8 25 m
Total piping length between branch boxes and indoor units a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 95 m
Permissible
height differ-
ence
(one-way)
In indoor/outdoor section (H)*1
H 50 m (In case of outdoor unit is set higher than indoor unit)
H 40 m (In case of outdoor unit is set lower than indoor unit)
In branch box/indoor unit section (h1) h1 + h2 15 m
In each branch unit (h2) h2 15 m
In each indoor unit (h3) h3 12 m
Number of bends
| c1 + b1 + a1 |, | c1 + b1 + a2 |, | c1 + b1 + a3 |, | c1 + b1 + a4 |, | c1 + b1 + a5 |, | c1 + b2 + a6 |,
| c1 + b2 + a7 |, | c1 + b2 + a8 |
15
*1 Branch box should be placed within the level between the outdoor unit and indoor units.
*1
4.2. Pipe length and height difference
4.2.1. Connection without Branch Box (Fig. 4-1)