Basic Control
SiBE37-701_B
117
Function
2.5
Outdoor Unit Fan Control in Cooling Operation
While in cooling operation, if the outdoor temperature is low, this mode provides high-pressure
control using the outdoor unit fan to retain appropriate liquid pressure, thus ensuring refrigerant
circulation rate to be supplied to indoor units.
Fan step 9
Pc>3.28MPa
PI control
Fan step 8
Pc>3.18MPa
PI control
Fan step 7
Pc>3.08MPa
PI control
Lapse of 20 sec.
PI control
PI control
Lapse of 20 sec.
-1 step on
outdoor unit fan
Hold the current
step on outdoor
unit fan
+1 step on
outdoor unit fan
Summary of Contents for REYQ8-48PY1B
Page 1: ...Service Manual REYQ8 48PY1B R 410A Heat Recovery 50Hz SiBE37 701_B ...
Page 456: ...Piping Installation Point SiBE37 701_B 445 Appendix ...
Page 460: ...Example of connection SiBE37 701_B 449 Appendix ...
Page 476: ...Revision History Date News No Contents 2010 9 10 M 10011 Correction of service manual ...