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1. PREFACE
1.1 SAFETY PRECAUTIONS................................2
1.2 INSULATION RESISTANCE TEST.................2
1.3 SPECIFICATIONS...........................................3
1.4 FEATURES......................................................4
1.5 CONTROL LOCATIONS .................................4
2.
DISASSEMBLY INSTRUCTIONS
2.1 MECHANICAL PARTS ....................................5
2.1.1 FRONT GRILLE .....................................5
2.1.2 CABINET................................................5
2.1.3 CONTROL BOX .....................................5
2.2 AIR HANDLING PARTS ..................................6
2.2.1 AIR GUIDE AND BLOWER....................6
2.2.2 FAN AND SHROUD ...............................6
2.3 ELECTRICAL PARTS......................................7
2.3.1 OVERLOAD PROTECTOR....................7
2.3.2 COMPRESSOR......................................7
2.3.3 CAPACITOR...........................................7
2.3.4 POWER CORD ......................................8
2.3.5 THERMOSTAT.......................................8
2.3.6 ROTARY SWITCH .................................8
2.3.7 MOTOR ..................................................8
2.4 REFRIGERATION CYCLE ...................................9
2.4.1 CONDENSER.........................................9
2.4.2 EVAPORATOR.......................................9
2.4.3 CAPILLARY TUBE .................................9
3.
INSTALLATION
3.1 INSTALLATION HARDWARE
................................
12
3.2 SELECT THE BEST LOCATION
...........................
12
3.3 WINDOW REQUIREMENTS
.................................
13
3.4 STORM WINDOW REQUIREMENTS
...................
13
3.5 PREPARING THE UNIT FOR INSTALLATION .....14
3.6 BEFORE INSTALLATION......................................14
3.7 INSTALL THE CASE IN THE WINDOW ................15
3.8 INSTALL THE WINDOW LOCKING BRACKET
AND THE FOAM TOP WINDOW GASKET ...........15
3.9
INSTALL THE AIR CONDITIONER IN THE CASE ...
16
3.10 TO REVERSE THE GRILLE OPENING ..............16
4.
TROUBLESHOOTING GUIDE
4.1 OUTSIDE DIMENSIONS...............................17
4.2 PIPING SYSTEM...........................................18
4.3 TROUBLESHOOTING GUIDE ......................19
5. SCHEMATIC DIAGRAM
• CIRCUIT DIAGRAM ..........................................24
6. EXPLODED VIEW ..................................25
7. REPLACEMENT PARTS LIST........26
1. PREFACE
This
SERVICE MANUAL provides various service information, the mechanical and electrical parts etc.
This room air conditioner was manufactured and assembled under a strict quality control system.
The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit.
1.1 SAFETY PRECAUTIONS
1. When servicing the unit, set the ROTARY SWITCH
or POWER SWITCH to OFF and unplug the power
cord.
2. Observe the original lead dress.
If a short circuit is found, replace all parts which
have been overheated or damaged by the short
circuit.
3. After servicing the unit, make an insulation resis-
tance test to protect the customer from being
exposed to shock hazards.
1.2
INSULATION RESISTANCE TEST
1. Unplug the power cord and connect a jumper
between 2 pins (black and white).
2. The grounding conductor (green or green & yellow)
should be open.
3. Measure the resistance value with an ohm meter
between the jumpered lead and each exposed
metallic part on the equipment at all the positions
(except OFF or O) of the ROTARY SWITCH.
4. The value should be over 1MΩ.
CONTENTS