VI-25
I
NSTALLATION
DVM PLUS III HR
Outdoor unit connection pipe size : (A1), (A2), (A3)
Branch joint : (D), (E), (F)
8HP
ø9.52
ø19.05 ø15.88
10HP ø22.23 ø19.05
12HP
ø25.40
14HP ø12.70
16HP
18HP
ø28.58
20HP
ø15.88
22HP
24HP
26~30HP
ø28.58
32~34HP ø19.05
ø31.75
36~48HP ø38.10 ø31.75
50~64HP ø22.23 ø44.45 ø38.10
ø6.35
Pipe size (O.D. mm), (A)
Liquid
pipe
Gas
pipe
High
gas pipe
Outdoor
unit
Oil
balancing
pipe size
ø22.23
ø25.40
Model
Capacity of outdoor unit
MXJ-T3819K Below 48 HP
MXJ-T4422K Above 50 HP
MXJ-T3100K Below 48 HP
MXJ-T3800K Above 50 HP
■ Branch joint of outdoor unit’s multi connection (D)
Liquid &
Low gas pipe
High gas pipe
Total indoor unit’s capacity
Pipe size (O.D. mm)
Liquid Gas High
pipe pipe gas pipe
15.0 kW and below ø15.88
ø15.88
Over 15.0~23.2 kW and below ø9.52 ø19.05
Over 23.2~29.0 kW and below ø22.23 ø19.05
Over 29.0~40.6 kW and below
ø12.70
ø25.40
ø22.23
Over 40.6~46.4 kW and below
ø28.58
Over 46.4~69.6 kW and below ø15.88 ø25.40
Over 69.6~98.6 kW and below
ø19.05
ø31.75 ø28.58
Over 98.6~139.2 kW and below ø38.10 ø31.75
Over 139.2 kW ø22.23 ø44.45 ø38.10
Pipe size between branch joints : (B)
Select the pipe size according to the capacity sum of
indoor units which are air connected below this pipe.
Indoor unit’s
Pipe size (O.D. mm)
capacity
Liquid pipe Gas pipe
2.2~5.6 kW ø6.35 ø12.70
7.1~14.0 kW ø9.52 ø15.88
Pipe size between branch joints and indoor unit (C)
Select the pipe size according to the indoor's capacity.
Model Total indoor unit’ capacity
MXJ-YA1509K 15.0 kW and below
MXJ-YA2512K Over 15.0 ~ 40.6 kW and below
MXJ-YA2812K Over 40.6 ~ 46.4 kW and below
MXJ-YA2815K Over 46.4 ~ 69.6 kW and below
MXJ-YA3119K Over 69.6 ~ 98.6 kW and below
MXJ-YA3819K Over 98.6 ~ 139.2 kW and below
MXJ-YA4422K Over 139.2 kW
Liquid &
low
pressure
gas
Y-joint
(F)
■ Branch joint (F)
Model Total indoor unit’ capacity
MXJ-YA1500K 23.2 kW and below
MXJ-YA2500K Over 23.2 ~ 69.6 kW and below
MXJ-YA3100K Over 69.6 ~ 139.2 kW and below
MXJ-YA3800K Over 139.2 kW
High
pressure
gas
Y-joint
(F)
Outdoor unit Model
8, 10, 12, 14 HP MXJ-YA2512K
16 HP MXJ-YA2812K
18, 20, 22, 24HP MXJ-YA2815K
26, 28, 30, 32, 34HP MXJ-YA3119K
36, 28, 40, 42, 44, 46, 48HP
MXJ-YA3819K
50HP~ MXJ-YA4422K
Liquid & Low
pressure gas
Y-joint
(E)
■ First branch joint (E)
Select branch joint according to outdoor unit's capacity
Outdoor unit Model
8 HP MXJ-YA1500K
10 ~ 24 HP MXJ-YA2500K
26 ~ 48 HP MXJ-YA3100K
50HP ~ MXJ-YA3800K
High
pressure gas
Y-joint
(E)
A1 : Select the pipes according to the outdoor unit
capacity with following table.
A2 : Select the pipes according to sum of outdoor
unit capacities behind the outdoor joint with
following table.
A3 : Select the main pipe of outdoor units with the
following table.
12Hp
(A1)
(A1)
(A2)
(A1)
(F)
(D)
(A3)
(E)
(B)
(C)
14Hp 16Hp
*A1 : Pipes to the outdoor unit (Liquid, Gas, High pressure gas)
*A2 : Pipes between outdoor joint kits (Liquid, Gas, High pressure gas)
*A3 : Main pipes (Liquid, Gas, High pressure gas)
Pipe size(O. D.mm)
HP Mark
Liquid
Low High
gas gas
12 HP (A1) ø12.70 ø25.40 ø22.23
14 HP (A1) ø12.70 ø25.40 ø22.23
16 HP (A1) ø12.70 ø28.58 ø22.23
26 HP (A2) ø19.05 ø31.75 ø28.58
42 HP (A3) ø19.05 ø38.10 ø31.75
❈
Example) 42HP of compact
combinations
06_Installation(02~45) 3/15/08 4:34 Page 25
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