Fujitsu AR 18LUAD Series User Manual

CONTENTS
1. SPECIFICATIONS
SPECIFICATIONS.......................................................................................................... 01-01
2. DIMENSIONS
DIMENSIONS.................................................................................................................. 02-01
3. REFRIGERANT SYSTEM DIAGRAM
REFRIGERANT CIRCUIT............................................................................................... 03-01
4. CIRCUIT DIAGRAM
CIRCUIT DIAGRAM........................................................................................................ 04-01
5. DESCRIPTION OF EACH CONTROL OPERATION
5-1-1 COOLING CAPACITY CONTROL......................................................................
5-1 COOLING OPERATION............................................................................................
5-4 AUTO CHANGEOVER OPERATION........................................................................
5-5 INDOOR FAN CONTROL.........................................................................................
5-6 OUTDOOR FAN CONTROL......................................................................................
05-01
05-01
5-2-1 HEATING CAPACITY CONTROL......................................................................
5-2 HEATING OPERATION.............................................................................................
05-02
05-02
5-3-1 INDOOR UNIT CONTROL.................................................................................
5-3 DRY OPERATION......................................................................................................
05-03
05-03
05-04
05-05
05-07
5-7 COMPRESSOR CONTROL......................................................................................
05-08
5-8 TIMER OPERATION CONTROL...............................................................................
05-10
5-9 ELECTRONIC EXPANSION VALVE CONTROL....................................................
05-12
5-10 TEST OPERATION CONTROL...............................................................................
05-12
5-11 PREVENT TO START FOR 3 MINUTES (3 MINUTES ST)....................................
05-12
5-12 4-WAY VALVE EXTENSION SELECT....................................................................
05-12
5-13 AUTO RESTART.....................................................................................................
05-12
5-14 PUMP DOWN (For AR*30/ 36/ 45LUAN/ 45/ 54LUAK)..........................................
05-13
5-15 COMPRESSOR PREHEATING...............................................................................
05-13
5-17 EXTERNAL ELECTRICAL HEATER CONTROL....................................................
05-13
5-16 FRESH AIR CONTROL...........................................................................................
05-13
5-19 ENERGY SAVE FUNCTION....................................................................................
05-17
5-20 VARIOUS PROTECTIONS......................................................................................
05-18
5-18 DEFROST OPERATION CONTROL.......................................................................
05-14

Fujitsu AR 18LUAD Series Specifications

General

Brand	Fujitsu
Model	AR 18LUAD Series
Category	Air Conditioner
Language	English