Precautions for New Refrigerant (R-410A)
SiUS39-602
250
Precautions for New Refrigerant (R-410A)
2. Torque wrench
Specifications
2
Dimension B
Unit:mm
No change in tightening torque
No change in pipes of other sizes
Differences
2
Change of dimension B
Only 1/2", 5/8" are extended
3. Vacuum pump with check valve
Specifications
2
Discharge speed
z
Maximum degree of vacuum
50 l/min (50Hz)
Select a vacuum pump which is able to keep
60 l/min (60Hz)
the vacuum degree of the system in excess of
2
Suction port UNF7/16-20(1/4 Flare)
–14.6 psi (5 torr or 5000 micron or – 755 mmHg).
UNF1/2-20(5/16 Flare) with adapter
Differences
2
Equipped with function to prevent reverse oil flow
2
Previous vacuum pump can be used by installing adapter.
Nominal size
Class-1
Class-2
Previous
1/2
24
26
24
5/8
27
29
27
Dimension B
For class-1: R-407C
For class-2: R-410A
Vacuum pump adapter
Reverse flow preventive
vacuum adapter
Summary of Contents for REYQ72
Page 35: ...Specifications SiUS39 602 24 Specifications...
Page 121: ...Field Setting SiUS39 602 110 Test Operation...
Page 129: ...Troubleshooting by Remote Controller SiUS39 602 118 Troubleshooting...
Page 225: ...Troubleshooting OP Unified ON OFF Controller SiUS39 602 214 Troubleshooting...
Page 232: ...SiUS39 602 Piping Diagrams Appendix 221 1 3 BS Unit BSVQ36MVJU BSVQ60MVJU 4D045338...
Page 235: ...Wiring Diagrams for Reference SiUS39 602 224 Appendix REYQ144 168 192MTJU C 3D050354A...
Page 240: ...SiUS39 602 Wiring Diagrams for Reference Appendix 229 2 4 BS Unit BSVQ36M 60MVJU 3D045069A...
Page 249: ...Example of Connection R 410A Type SiUS39 602 238 Appendix...
Page 255: ...Method of Replacing The Inverter s Power Transistors and Diode Modules SiUS39 602 244 Appendix...
Page 265: ...Precautions for New Refrigerant R 410A SiUS39 602 254 Precautions for New Refrigerant R 410A...
Page 269: ...SiUS39 602 iv Index...