Edgestar WAC12002WCO, WAC10002WCO, WAC8002WCO User Manual
EdgeStar, 8606 Wall St, Suite 1800, Austin, TX 78754
support.edgestar.com • service@edgestar.com • edgestar.com
*Warranty service should be performed by an authorized service representative only.
SERVICE MANUAL
Koldfront Cool Only Window Air Conditioner
MODELS COVERED:
WAC8002WCO
WAC10002WCO
WAC12002WCO
Document Type: Service Manual
Version: V1.0 04112018
CAUTION: READ ALL SAFETY PRECAUTIONS IN THIS
MANUAL BEFORE SERVICING THE UNIT
1
CONTENTS
CONTENTS ..................................................................................................................................................... 1
SAFETY PRECAUTIONS ................................................................................................................................... 2
ELECTRICAL SAFETY .................................................................................................................................. 3
GENERAL SAFETY ...................................................................................................................................... 4
1 EXPLODED DIAGRAMS AND PART LISTS ..................................................................................................... 5
1.1 WAC8002WCO .................................................................................................................................... 5
1.2 WAC10002WCO .................................................................................................................................. 7
1.3 WAC12002WCO .................................................................................................................................. 9
1.4 DIMENSIONS ..................................................................................................................................... 11
2 WIRING DIAGRAM (ALL MODELS) ............................................................................................................ 12
3 MAIN COMPONENTS ................................................................................................................................ 13
3.1 MAJOR PARTS ................................................................................................................................... 13
3.3 SENSOR AND DISPLAY CONNECTIONS ON MAIN PCB ...................................................................... 13
4 OPERATING INSTRUCTIONS ..................................................................................................................... 14
4.1 DISPLAY PANEL CONTROLS ............................................................................................................... 14
4.2 REMOTE CONTROLS .......................................................................................................................... 16
5 INSTALLATION AND CLEANING ................................................................................................................ 17
5.1 PROPER INSTALLATION AND DRAINAGE .......................................................................................... 17
5.2 CLEANING THE FILTER ....................................................................................................................... 18
6 MODES AND OPERATING CONDITIONS ................................................................................................... 19
6.1 TERMS AND DEFINITIONS ................................................................................................................. 19
6.2 PROTECTION FUNCTIONS ................................................................................................................. 19
6.3 AUTO MODE ..................................................................................................................................... 19
6.4 FAN-ONLY MODE .............................................................................................................................. 20
6.5 DRY MODE ........................................................................................................................................ 20
6.6 COOLING MODE ................................................................................................................................ 20
6.7 AUTO-DEFROST FUNCTION............................................................................................................... 21
6.8 SLEEP MODE ..................................................................................................................................... 21
7 TROUBLESHOOTING ................................................................................................................................. 22
7.1 TROUBLESHOOTING GUIDE .............................................................................................................. 22
7.2 ERROR CODES AND SENSOR MALFUNCTIONS .................................................................................. 23
7.3 TEMPERATURE SENSOR RESISTANCE TEST TABLE ............................................................................ 24
2
SAFETY PRECAUTIONS
WARNING: This manual and the information contained herein is intended for use
by certified technicians. The manufacturer or seller is not responsible for the
interpretation or misuse of the information provided, nor does it assume any
liability in connection with its use.
The safeguards and warnings indicated in this manual do not cover all possible
conditions which may occur. Common sense, caution, and care must be
exercised.
To prevent electric shock, always unplug an appliance from the power supply before attempting
any service.
Disconnect the power cord by grasping the plug, not the cord.
Do not bypass, cut, or remove the grounding plug.
Prevent water from spilling onto electric elements or the machine parts.
Always refer to the rating label on the appliance for rated current and voltage.
Always check line voltage and amperage.
Always use exact replacement parts.
Any attempt to repair a major appliance may result in personal injury and property damage.
3
Electrical Safety
Do not exceed the power outlet ratings.
It is recommended that the unit be connected to its own circuit.
A standard electrical supply that is properly grounded in accordance with the National Electrical Code
and all state and local codes and ordinances is required.
Do not use outlets that can be turned off by a switch or pull chain.
Always turn the unit off and unplug it from the outlet when cleaning.
Unplug the unit if it is not going to be used for an extended period of time.
Do not operate the unit with a power plug missing the ground plug, a damaged cord, or a loose socket.
Be sure the appliance is properly grounded.
Do not bypass, cut, or remove the grounding plug.
If the power cord is damaged, it must be replaced by the manufacturer or a qualified technician.
Do not use extension cords or power strips with this unit. You may need to contact an electrician if it is
necessary to use a longer cord or if you do not have a properly grounded outlet. Do not modify the
power cord’s length or share the outlet with other appliances.
Do not start or stop the unit by switching the electrical circuit’s power on and off.
Immediately unplug the unit if it makes strange sounds, emits an odor or smoke and contact customer
service.
Do not remove any part of the casing unless instructed by an authorized technician.
Before the appliance is removed from service or discarded, remove any doors and cut off the power
cord.
4
General Safety
Always unplug an appliance from the power supply before attempting any service. Disconnect the
power cord by grasping the plug, not the cord.
Do not allow children or pets to play on or in the appliance.
This machine is not intended for use by persons (including children) with reduced physical, sensory or
mental capabilities, or lack of experience and knowledge, unless they have been given supervision or
instruction concerning use of the machine by a person responsible for their safety.
Do not install or store this appliance where it will be exposed to the weather.
Disconnect from the power socket before cleaning or maintenance.
If the plug (power cord) is damaged, it must be replaced by the manufacturer or an authorized service
representative.
This machine shall be repaired only by an authorized service representative. Only genuine
replacement parts should be used.
If connected to a circuit protected by fuses, use time-delay fuses with this appliance.
Do not lean items against the glass door.
Please do not close the door with excessive force. If it is found difficult to close the door, please check
for obstruction.
When you plan to dispose of this unit in the future, please comply with the local waste disposal
regulations. Remove any doors so that children and pets will not be trapped in the unit.
5
1 Exploded Diagrams and Part Lists
1.1 WAC8002WCO
6
No.
Part Name
No.
Part Name
1
Front panel assembly
14
Fan motor
1.1
Front panel
15
Fan housing
1.2
Air outlet frame
16
Left pulling rod of fan motor
1.4
Panel frame
17
Right puling rod of fan motor
1.5
Vertical vane I
18
Centrifugal fan
1.6
Louver holder
20
Volute shell assembly
1.7
Vertical vane II
20.1
Mid volute shell
1.8
Display box assembly
20.2
Top volute shell
2
Evaporator assembly
22
Electronic control box assembly
3
Compressor
22.2
Electronic control box
4
Condenser assembly
22.3
Main control board subassembly
5
Installation accessories
22.4
Room temperature sensor
7
Cabinet assembly
22.5
Capacitor
8
Upper shutter frame Assembly
22.6
Power supply cord
9
Chassis assembly
23
Cover of electronic control box
11
Parts of compressor return pipe
24
Remote control
12
Compressor exhaust pipe
25
Filter
13
Axial fan
7
1.2 WAC10002WCO
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