Fujitsu Airstage VR-II Series User Manual

CONTENTS
3-2 MASTER CONTROL..................................................................................................
3-1-2 "AUTO" Position...................................................................................................
3-1-1 Fan Speed Setting...............................................................................................
3-1 FAN CONTROL..........................................................................................................
3. INDOOR UNIT AND RB UNIT OPERATION
3-2-1 Operation Mode Control.......................................................................................
3-2-2 Auto Changeover Heating / Cooling Operation....................................................
03-01
03-01
03-01
03-02
03-02
03-04
3-3 LOUVER CONTROL..................................................................................................
3-2-3 Auto Changeover Cooling / Dry Operation..........................................................
03-05
3-2-5 "COOL" Position..................................................................................................
03-07
03-08
3-5 DRAIN PUMP OPERATION.......................................................................................
3-4 ELECTRONIC EXPANSION VALVE CONTROL......................................................
3-6 FUNCTION..................................................................................................................
03-11
03-11
03-12
3-6-1 Auto Restart.........................................................................................................
03-12
3-6-2 Freeze Prevention Control...................................................................................
03-12
3-6-3 Oil Recovery Operation / Defrost Operation .......................................................
03-12
3-6-4 Outdoor temperature protected operation for Outdoor air unit ............................
03-12
+1
3-7 RB UNIT COMPONENT.............................................................................................
03-13
3-7-1 Position of Solenoid coil.......................................................................................
03-13
3-7-2 Position of Solenoid valve.................................................................................... 03-13
3-7-3 PCBs layout......................................................................................................... 03-14
2-9 PROTECTIVE FUNCTION........................................................................................
02-16
02-16
2-9-1 Discharge temperature protection.......................................................................
02-18
2-9-2 High pressure protection......................................................................................
02-20
2-9-3 Low pressure protection......................................................................................
02-21
2-9-4 Heatsink temperature protection.........................................................................
02-21
2-9-5 Compressor temperature protection....................................................................
02-21
2-9-6 O.U Heat - Ex.1(2) Gas Temp. abnormal stop....................................................
02-22
2-9-7 Over current protection........................................................................................
02-22
2-9-8 Compressor Frequency Maximum setting protection..........................................
02-22
2-9-9 Compressor compress ratio protection................................................................
02-23
2-9-10 Fan Motor, Motor Driver abnormal stop protection............................................
02-23
2-9-11 EEV Coil abnormal Stop....................................................................................
3-2-6 "HEAT" Position..................................................................................................
03-07
3-7-4 PCB component.................................................................................................. 03-14
3-7-5 Solenoid Valve controlling................................................................................... 03-15
3-7-6 Refrigerant Flow.................................................................................................. 03-15
3-2-4 Custom auto Heating / Cooling Operation ..........................................................
03-06

Fujitsu Airstage VR-II Series Specifications

General

Brand	Fujitsu
Model	Airstage VR-II Series
Category	Air Conditioner
Language	English