Design Technical Manual

Table Of Contents
z
Selection of branch kit
Branch kit
No.
Total cooling
capacity of
downstream indoor
units (kBtu/h)
Model
DX1 - UTP-DX567A
BX1 228.0 UTP- BX567A
BX2 198.0 UTP-BX567A
AX1 90.0 UTP-AX090A
AX2 60.0 UTP-AX090A
AX3 36.0 UTP-AX090A
z
Selection of RB unit
RB unit
No.
Total cooling
capacity of
downstream indoor
units (kBtu/h)
Model
RB1 30.0 UTP-RU01BH
RB2 90.0 UTP-RU01CH
RB3
24.0
108.0
(Total)
UTP-RU04BH
24.0
24.0
36.0
z
Selection of pipe size
1) 3pipes
3a 3b 3c 3d 3e 3f 3g
Liquid pipe
in. (mm)
1/2
(12.70)
1/2
(12.70)
5/8
(15.88)
5/8
(15.88)
1/2
(12.70)
3/8
(9.52)
1/2
(12.70)
Discharge
gas pipe
in. (mm)
3/4
(19.05)
3/4
(19.05)
1-1/8
(28.58)
1-1/8
(28.58)
3/4
(19.05)
1/2
(12.70)
3/4
(19.05)
Suction gas
pipe
in. (mm)
1-1/8
(28.58)
7/8
(22.22)
1-3/8
(34.92)
1-3/8
(34.92)
1-1/8
(28.58)
5/8
(15.88)
7/8
(22.22)
Length ft. (m)
Example
6
(2)
6
(2)
164
(50)
33
(10)
66
(20)
16
(5)
16
(5)
2) 2pipes
2a 2b 2c 2d 2e 2f 2g 2h 2i 2j
Liquid pipe
in. (mm)
3/8
(9.52)
1/2
(12.70)
1/2
(12.70)
3/8
(9.52)
3/8
(9.52)
3/8
(9.52)
3/8
(9.52)
3/8
(9.52)
3/8
(9.52)
3/8
(9.52)
Gas pipe
in. (mm)
5/8
(15.88)
7/8
(22.22)
7/8
(22.22)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
5/8
(15.88)
Length ft. (m)
Example
16
(5)
16
(5)
16
(5)
16
(5)
16
(5)
26
(8)
16
(5)
16
(5)
22
(7)
26
(8)
2k 2l
Liquid pipe
in. (mm)
3/8
(9.52)
3/8
(9.52)
Gas pipe
in. (mm)
5/8
(15.88)
5/8
(15.88)
Length ft. (m)
Example
16
(5)
26
(8)
Model Q'ty
UTP-DX567A 1
UTP-BX567A 2
UTP-AX090A 3
Model Q'ty
UTP-RU01BH 1
UTP-RU01CH 1
UTP-RU04BH 1
- (06 - 52) -
SYSTEM
DESIGN
SYSTEM
DESIGN