Basic Control
SiUS39-602
46
Function
2.4
Cooling Operation Fan Control
In cooling operation with low outdoor air temperature, this control is used to provide the
adequate amount of circulation air with liquid pressure secured by high pressure control using
outdoor unit fan.
Fan Steps
REYQ72M, 96M
STEP0
0rpm
STEP1
300rpm
STEP2
325rpm
STEP3
355rpm
STEP4
400rpm
STEP5
500rpm
STEP6
630rpm
STEP7
880rpm
STEP8
920rpm
Upper limit of fan
revolutions: Step 8
Upper limit of outdoor unit
fan revolutions
Step 7
-1 step / 90sec on
outdoor unit fan
+1step / 30sec on
outdoor unit fan
Pc
<
406psi
Pc
<
261psi
Pc
>
450psi
Pc
>
478psi
*For fan revolutions in each step,
refer to information on the chart
below
Pc: HP pressure sensor detection value
Pc
>
391psi
Pc
<
261psi
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...