Design Technical Manual

Table Of Contents
PIPE SELECTION
z
RB unit pipe size
to outdoor unit
to indoor unit
Gas pipe
Suction gas pipe
Discharge gas pipe
Model name Discharge Gas pipe Suction Gas pipe Gas pipe
UTP-RU01AH 3/8" (9.52) 1/2" (12.70) 1/2" (12.70)
UTP-RU01BH 1/2" (12.70) 3/4" (19.05) 3/4" (19.05)
UTP-RU01CH 3/4" (19.05) 7/8" (22.22) 7/8" (22.22)
z
Connection pipe size
Connection pipe selection for when only 1 indoor unit is connected.
Indoor
unit
Liquid pipe
Discharge
gas pipe
Gas pipe
RB
unit
Suction
gas pipe
Model name
Indoor unit
capacity (Btu/h)
Liquid pipe Discharge Gas pipe Suction Gas pipe Gas pipe
UTP-RU01AH
4,000 7,500
9,500 12,000
14,000
1/4" (6.35) 3/8" (9.52) 1/2" (12.70) 1/2" (12.70)
18,000 24,000 3/8" (9.52)
1/2" (12.70)
+Reducer-A
5/8" (15.88)
+Reducer-B
5/8" (15.88)
+Reducer-B
UTP-RU01BH
4,000 7,500
9,500 12,000
14,000
1/4" (6.35)
3/8" (9.52)
+Reducer-C
1/2" (12.70)
+Reducer-E
1/2" (12.70)
+Reducer-E
18,000 24,000
30,000 34,000
3/8" (9.52) 1/2" (12.70)
5/8" (15.88)
+Reducer-E
5/8" (15.88)
+Reducer-E
36,000 48,000 3/8" (9.52) 1/2" (12.70) 3/4" (19.05) 3/4" (19.05)
60,000 3/8" (9.52)
15.88 (5/8")
+Reducer-B
3/4" (19.05) 3/4" (19.05)
UTP-RU01CH 72,000 96,000 1/2" (12.70) 3/4" (19.05) 7/8" (22.22) 7/8" (22.22)
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SYSTEM
DESIGN
SYSTEM
DESIGN