Cooling Operation Fan Control - Daikin VRV II RXYQ5MY1B Service Manual

Basic Control
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.
Pc<2.8MPa
Pc>3.1MPa
Pc<2.7MPa
Pc<1.8MPa
Pc<1.8MPa
Pc<1.8MPa
Pc<1.8MPa
Pc<1.8MPa
Pc<1.8MPa
Pc<2.3MPa
84
STEP9
Pc>3.3MPa
STEP8-1
Pc>3.2MPa
STEP8-2
Pc>2.7MPa
STEP7
Pc>2.7 MPa
STEP6
Pc>2.7 MPa
STEP5
Pc>2.7 MPa
STEP4
Pc>2.7 MPa
STEP3
Pc>2.7 MPa
STEP2
Pc>2.7 MPa
STEP1
Pc: HP pressure sensor detection value
Fan Steps
RXYQ5M
STEP1 0rpm
STEP2 300rpm
STEP3 320rpm
STEP4 350rpm
STEP5 385rpm
STEP6 470rpm
STEP7 585rpm
STEP8-2 800rpm
STEP8-1 800rpm
STEP9 840rpm
SiE39-404
RXYQ RXYQ
8 and 10M 12 to 16M
0rpm 0rpm
300rpm 300rpm
320rpm 325rpm
345rpm 355rpm
385rpm 400rpm
465rpm 500rpm
575rpm 630rpm
660rpm 710rpm
785rpm 880rpm
825rpm 920rpm
Function