Mitsubishi Electric PUMY-P112VKM3, Technical & Service Manual

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144
* 1 Branch box should be placed within the level between the outdoor unit and indoor units.
* 2 When a cylinder unit or hydrobox is connected, the maximum piping length is 150 m.
Mixed Method
Connection Examples
(Connecting to 2 Branch boxes)
A+B+C+D+E+a+b+c+d+e+f+g+h+i+j+k ≦ 240 m * 2
A+E+a ≦ 85 m
A+B+C+k ≦ 80 m
A+B+C+D ≦ 55 m
B+C or E+a ≦ 30 m
k ≦ 25m
A+B+C ≦ 55m
d+e+f+g+h+i+j+k ≦ 95 m
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)
h1+h2 ≦ 15 m
h2 ≦ 15 m
h3 ≦ 12 m
≦ 15
Total piping length
Farthest piping length (L1)
Farthest piping length. Via Branch box (L2)
Piping length between outdoor unit and branch boxes
Farthest piping length from the first joint
Farthest piping length after branch box
Farthest branch box form outdoor unit
Total pipong length between branch boxes and indoor units
In indoor/outdoor section (H) *
1
In branch box/indoor unit section (h1)
In each branch unit (h2)
In each indoor unit (h3)
Permissible
length
(One-way)
Permissible
height
difference
(One-way)
Number of bends
Liquid Line
Gas Line
Piping Diameter (mm) Model
{
9.52
{
15.88
Please select branching kit, which is sold separately, from the table below.
(The kit comprises sets for use with liquid pipes and for use with gas pipes.)
■
Select Each Section of Refrigerant Piping
■
Selecting the Refrigerant Branch Kit
Select the size from the table to the right.
(1) Refrigerant Piping Diameter In Section From Outdoor Unit to Branch box or Branch
header (Out-door Unit Piping Diameter)
(1) Section From Outdoor Unit
to Branch box or Branch
header (A to E)
(2) Sections From Branch
box or Branch header to
Indoor Unit (a to k)
(2) Refrigerant Piping Diameter In Section From Branch box or Branch header to
Indoor Unit (Indoor Unit Piping Diameter)
Each
Section of
Piping
Branch header (4 branches)
CMY-Y64-G-E
Branch header (8 branches)
CMY-Y68-G-E
PUMY-P112
PUMY-P125
PUMY-P140
15 to 50
50
71
35,50
60 to 100
60
63 to 140
15 to 42
{
6.35
{
6.35
{
9.52
{
9.52
{
6.35
Model number A Liquid pipe B Gas pipe Indoor unit series
CityMulti
M series or
S series
P series
{
6.35
{
12.7
{
15.88
{
15.88
{
6.35
{
12.7
{
9.52
{
15.88
{
15.88
{
9.52
{
12.7
Note:
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.
L2
L1
H
h2
H
h2
h1
h3
A
C
B
b c
a
b c
E
E
F
F F F
E
E
A
B B
A
D
C C
j i k
D
d e
g f h
F
F F
F
D
A
Outdoor Unit
B
First joint
C
Branch header (CMY)
D
Branch box
E
CityMulti Indoor unit
F
M/S/P series Indoor unit
■
Additional refrigerant charge
Refer to the same section in the previous page.
OCH632A