
Si39-303
Appendix
General Information
115
7.5
Pipe size selection
For an outdoor unit multi installation (RXYQ18
~
48MY1B), make the settings in accordance
with the following figure.
Piping between outdoor unit and refrigerant branch kit (part A)
!
Match to the size of the connection piping on the outdoor unit.
Outdoor unit connection piping size
(Unit:mm)
Piping between refrigerant branch kits
!
Choose from the following table in accordance with the total capacity of all the indoor units
connected below this.
!
Do not let the connection piping exceed the refrigerant piping size chosen by general system
model name.
(Unit:mm)
Piping between outdoor branches (part B)
!
Choose from the following table in accordance with the total capacity of all the outdoor units
connected below this.
(Unit:mm)
Piping between outdoor branch
and indoor unit (part C)
Oil-equalizing line (part D)
Piping between outdoor branches (part B)
Piping between outdoor unit and refrigerant
branch kit (part A)
Outdoor unit capacity type
Piping size (outer diameter)
Gas pipe
Liquid pipe
RXYQ5 type
ø15.9
ø9.5
RXYQ8 type
ø19.1
RXYQ10 type
ø22.2
RXYQ12,14,16 type
ø28.6
ø12.7
RXYQ18 ~ 22 type
ø15.9
RXYQ24 type
ø34.9
RXYQ26 ~ 34 type
ø19.1
RXYQ36 ~ 48 type
ø41.3
Indoor capacity index
Piping size (outer diameter)
Gas pipe
Liquid pipe
< 200
ø15.9
ø9.5
200
≤
x
≤
290
ø22.2
290
≤
x
≤
420
ø28.6
ø12.7
420
≤
x < 640
ø15.9
640
≤
x < 920
ø34.9
ø19.1
920 <
ø41.3
Outdoor capacity index
Piping size (outer diameter)
Gas pipe
Liquid pipe
< 22HP
ø28.6
ø15.9
24HP
ø34.9
26HP <
ø19.1
Содержание VRV II Series
Страница 6: ...Si39 303 iv Table of Contents...
Страница 31: ...Si39 303 Installation General Information 25 Flaring Procedure...
Страница 124: ...Appendix Si39 303 118 General Information 3P114237A...
Страница 130: ...Appendix Si39 303 124 General Information BHFP22M135 Refer P 120 for Table 7 8 and 9 After connection piping...
Страница 140: ...Appendix Si39 303 134 General Information 7 10 Piping System Diagrams 7 10 1 Outdoor Unit RXYQ5MY1B...
Страница 141: ...Si39 303 Appendix General Information 135 RXYQ8MY1B RXYQ10MY1B RXYQ12MY1B 4D040338A...
Страница 142: ...Appendix Si39 303 136 General Information RXYQ14MY1B RXYQ16MY1B 4D040339A...
Страница 144: ...Appendix Si39 303 138 General Information 7 11 Wiring Diagrams 7 11 1 Outdoor Unit RXYQ5MY1B...
Страница 145: ...Si39 303 Appendix General Information 139 RXYQ8MY1B RXYQ10MY1B RXYQ12MY1B 3D038582...
Страница 146: ...Appendix Si39 303 140 General Information RXYQ14MY1B RXYQ16MY1B 3D038058...
Страница 147: ...Si39 303 Appendix General Information 141 7 11 2 Field Wiring RXYQ5 16MY1B 3D040746...
Страница 148: ...Appendix Si39 303 142 General Information RXYQ18 32MY1B 3D040747...
Страница 149: ...Si39 303 Appendix General Information 143 RXYQ34 48MY1B 3D040748...
Страница 158: ...Appendix Si39 303 152 General Information...
Страница 180: ...Refrigerant Piping Si39 303 174 Installation Manual...
Страница 226: ...Troubleshooting Si39 303 220 Operation Manual...