Outdoor unit connection pipe size : (A1), (A2), (A3)
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.
A3 : Select the main pipe of outdoor units with the following table
when if the farthest indoor unit’s length is over 90m(295´).
installing the unit
REFRIGERANT PIPING WORKS
Pipe selection for DVM PLUS III
Outdoor
unit
Pipe size (O.D)
Oil
balancing
pipe size
Ton
HP
Liquid Gas
mm inches mm inches
mm(inches)
6 7.5
Ø9.52 Ø3/8
Ø19.05 Ø3/4
-8 10.0 Ø22.23 Ø7/8
10 12.5 Ø12.70 Ø1/2 Ø28.58 Ø1-1/8
•
Example) 26 Ton
10Ton 8Ton
(C)
(F)
(D)
(A3)(A2)(A1)
8Ton
(A1)(A1)
(E)
(B)
Ton HP Mark
Pipe size (O. D.mm)
Liquid Gas
mm inches mm inches
8 10 (A1) Ø9.52 Ø3/8 Ø22.23 Ø7/8
8 10 (A1) Ø9.52 Ø3/8 Ø22.23 Ø7/8
10 12.5 (A1) Ø12.70 Ø1/2 Ø28.58 Ø1-1/8
18 22.5 (A2) Ø15.88 Ø5/8 Ø28.58 Ø1-1/8
26 32.5 (A3) Ø19.05 Ø3/4 Ø34.93 Ø1-3/8
*A1 : Pipes to the outdoor unit (Liquid, Gas)
*A2 : Pipes between outdoor joint kits (Liquid, Gas)
*A3 : Main pipes (Liquid, Gas)
Outdoor
unit
Pipe size (O.D)
Oil
balancing
pipe size
Ton
HP
Liquid Gas
mm inches mm inches
mm(inches)
12 15.0 Ø12.70 Ø1/2
Ø28.58 Ø1-1/8
Ø6.35
(Ø1/4)
14 17.5
Ø15.88 Ø5/8
16 20.0
18 22.5
20 25.0 Ø19.05 Ø3/4 Ø34.93 Ø1-3/8
Outdoor
unit
Pipe size (O.D)
Oil
balancing
pipe size
Ton
HP
Liquid Gas
mm inches mm inches
mm(inches)
6 7.5
Ø9.52 Ø3/8
Ø19.05 Ø3/4
-8 10.0 Ø22.23 Ø7/8
10 12.5
Ø12.70 Ø1/2
Ø28.58 Ø1-1/8
12 15.0
Ø6.35
(Ø1/4)
14 17.5
Ø15.88 Ø5/816 20.0
18 22.5
20 25.0
Ø19.05 Ø3/4 Ø34.93 Ø1-3/8
22 27.5
24 30.0
26 32.5
28 35.0
30 37.5
Outdoor
unit
Pipe size (O.D)
Oil
balancing
pipe size
Ton
HP
Liquid Gas
mm inches mm inches
mm(inches)
6 7.5
Ø12.70 Ø1/2
Ø22.23 Ø7/8
-8 10.0
Ø28.58 Ø1-1/8
10 12.5
Ø15.88 Ø5/8
12 15.0
Ø34.93 Ø1-3/8
Ø6.35
(Ø1/4)
14 17.5
Ø19.05 Ø3/416 20.0
18 22.5
20 25.0
Ø22.23 Ø7/8
22 27.5
24 30.0
26 32.5
28 35.0
Ø41.28 Ø1-5/8
30 37.5
DVM PLUS3_IM_E_31180-2.indd 16 2009-10-23 ソタネト 7:09:21