Appendix
Si39-406
106
General Information
7.4
Pipe size selection
Piping between outdoor unit and refrigerant branch kit
Match to the size of the connection piping on the outdoor unit.
(Unit:in.)
Between two immediately adjacent refrigerant branch kits and BS unit
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:in.)
Between BS unit (refrigerant branch kit) and indoor unit
Pipe size for direct connection to indoor unit must be the same as the connection size of indoor
unit.
(Unit:in.)
*1 The BS unit (BSVQ36MVJU) port and connection pipe are different sizes. Use the reducing
joints included with the BS unit.
*2 When the indoor capacity is 60
≤
×
< 72
, use the attached pipes included with BS unit.
Outdoor unit capacity
type
Piping size (outer diameter)
Liquid pipe
Gas pipe
Suction
Discharge
REYQ96 type
φ
3/8
φ
7/8
φ
3/4
Indoor capacity Index
Piping size (outer diameter)
Liquid pipe
Gas pipe
Suction
Discharge
*1 < 24
φ
1/4
φ
1/2
φ
3/8
*2 24
≤
× < 72
φ
3/8
φ
5/8
φ
1/2
72
φ
7/8
φ
3/4
Indoor capacity type
Piping sizes (outer diameter)
Gas pipe
Liquid pipe
*1 12, 18 type
1/2
1/4
24, 30, 36, 48 type
5/8
3/8
Summary of Contents for REYQ96MTJU
Page 1: ...Design Installation Testing Instruction R410A Heat Recovery 60Hz REYQ96MTJU Si39 406...
Page 6: ...Si39 406 iv Table of Contents...
Page 34: ...Installation Si39 406 28 General Information Flaring Procedure...
Page 68: ...Installation Si39 406 62 General Information Caution Caution label 3P124617 4P124614...
Page 114: ...Appendix Si39 406 108 General Information 3P135887 1...
Page 126: ...Appendix Si39 406 120 General Information 7 8 3 BS Unit BSVQ36MVJ BSVQ60MVJ 4D045338...
Page 128: ...Appendix Si39 406 122 General Information 7 9 2 Field Wiring REYQ96MTJU 3D042647A...
Page 156: ...Refrigerant Piping Si39 406 150 Installation Manual REYQ96MTJU...
Page 158: ...Refrigerant Piping Si39 406 152 Installation Manual REYQ96MTJU...
Page 230: ...Precautions for New Refrigerant R410A Si39 406 224 Precautions for New Refrigerant R410...
Page 236: ...375 Park Avenue Suite 3308 New York N Y 10152 info daikinac com www daikinac com...