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Document Type: Service Manual
Version: V1.0 04112018
SERVICE MANUAL
Koldfront Window Air Conditioner with
Supplemental Heat Function
MODEL:
WAC8001W
WAC12001W
WAC18001W
WAC25001W
CAUTION: READ ALL SAFETY PRECAUTIONS IN THIS
MANUAL BEFORE SERVICING THE UNIT
All manuals and user guides at all-guides.com
support.edgestar.com • service@edgestar.com • edgestar.com
*Warranty service should be performed by an authorized service representative only.
EdgeStar, 8606 Wall St, Suite 1800, Austin, TX 78754
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Summary of Contents for EdgeStar WAC8001W
- Page 1 WAC12001W WAC18001W WAC25001W CAUTION: READ ALL SAFETY PRECAUTIONS IN THIS MANUAL BEFORE SERVICING THE UNIT 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.
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Page 2: Table Of Contents
SAFETY PRECAUTIONS ........................2 ELECTRICAL SAFETY ........................3 GENERAL SAFETY ......................... 4 1 EXPLODED DIAGRAMS AND PART LISTS ..................5 1.1 WAC8001W AND WAC12001W .................... 5 1.2 WAC18001W ......................... 7 1.3 WAC25001W ......................... 9 1.4 DIMENSIONS ........................11 2 WIRING DIAGRAMS ........................12 2.1 WAC8001W ......................... -
Page 3: Safety Precautions
All manuals and user guides at all-guides.com 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. -
Page 4: Electrical Safety
All manuals and user guides at all-guides.com 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. -
Page 5: General Safety
All manuals and user guides at all-guides.com 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. ... -
Page 6: Exploded Diagrams And Part Lists
All manuals and user guides at all-guides.com 1 Exploded Diagrams and Part Lists 1.1 WAC8001W and WAC12001W... - Page 7 All manuals and user guides at all-guides.com Part Name Part Name Panel assembly 19.2 Top shutter frame Air filter 19.3 Right shutter assembly Remote control 19.3.1 Right shutter frame Electronic control box parts 19.3.2 Shutter Power cord 19.4 Screw bag Ambient temperature sensor assembly Condenser water tray Pipe temperature sensor assembly...
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Page 8: Wac18001W
All manuals and user guides at all-guides.com 1.2 WAC18001W Part Name Part Name Front panel 20.4 Ambient temperature sensor assembly Air filter 20.5 Discharge temperature sensor assembly Panel frame parts 20.6 Power cord Panel frame 20.7 Main control board assembly 3.1.1 Air outlet assembly 20.8... - Page 9 All manuals and user guides at all-guides.com Part Name Part Name Condenser water tray Discharge pipe assembly Upper volute shell Super-cooling pipe Centrifugal fan Condenser assembly Front right barrier Chassis assembly Rear volute shell assembly Drain valve Asynchronous motor Cabinet assembly Rear separating Box for Electronic heater Axial flow fan...
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Page 10: Wac25001W
All manuals and user guides at all-guides.com 1.3 WAC25001W Part Name Part Name Front panel 21.5 Capacitor for fan motor Air filter 21.6 Electronic control box Front panel and Panel frame parts 21.9 Room temperature sensor assembly Front panel and Panel frame assembly 21.10 Discharge/Heat sensor assembly Display box assembly... - Page 11 All manuals and user guides at all-guides.com Part Name Part Name Top shutter frame Front cover Chassis assembly Installation accessory Condenser assembly 31.1 Locking bar Cooling coil 31.2 Right bracket Discharge pipe 31.3 Shutter Evaporator assembly 31.4 Right shutter frame 18.1 Evaporator assembly 31.5...
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Page 12: Dimensions
All manuals and user guides at all-guides.com 1.4 Dimensions Width Height Depth WAC8001W 22-3/4” (575 mm) 16-1/8” (410 mm) 23” (584 mm) WAC12001W WAC18001W 23-5/8” (600 mm) 17-7/8” (455 mm) 25-3/8” (645 mm) WAC25001W 26-1/2” (673 mm) 18-5/8” (473 mm) -
Page 13: Wiring Diagrams
All manuals and user guides at all-guides.com 2 Wiring Diagrams 2.1 WAC8001W... -
Page 14: Wac12001W And Wac18001W
All manuals and user guides at all-guides.com 2.2 WAC12001W and WAC18001W... -
Page 15: Wac25001W
All manuals and user guides at all-guides.com 2.3 WAC25001W... -
Page 16: Main Components
All manuals and user guides at all-guides.com 3 Main Components 3.1 Major Parts 3.2 Electronic Control Box and Main PCB... -
Page 17: Sensor And Display Connections On Main Pcb
All manuals and user guides at all-guides.com 3.3 Sensor and Display Connections on Main PCB All sensor connections are clearly marked on the PCB (Heat, Room, Def) and are located near the display ribbon cable connection. Refer to this diagram when troubleshooting unit display issues or sensor error codes. -
Page 18: Operating Instructions
All manuals and user guides at all-guides.com 4 Operating Instructions 4.1 Display Panel Controls On-Off Button Press to turn on or off the unit. NOTE: The Energy Saver feature will automatically turn on in Cool, Dry, and Auto mode. Up and Down Button Press or hold either Up or Down button until desired temperature is seen on the digital... - Page 19 All manuals and user guides at all-guides.com Timer Button button and the “Timer On” indicator light When the unit is on or off, press the Timer illuminates. It indicates that the Auto Start/Stop program is initiated. button again and the “Timer Off” indicator light illuminates. It To switch to off press the Timer indicates that the Auto Stop program is initiated.
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Page 20: Remote Controls
All manuals and user guides at all-guides.com 4.2 Remote Controls The remote control has an operating range of 16 ft. from the appliance. The remote signal receiver/sensor is located on the control panel of the air conditioner. Reception of signal commands is confirmed by an audible beep. -
Page 21: Installation And Cleaning
All manuals and user guides at all-guides.com 5 Installation and Cleaning 5.1 Proper Installation and Drainage Older Koldfront window air conditioners included a drain plug that could be removed to assist with water drainage in excessively humid operating environments. Current models DO NOT use drain plugs. WAC series air conditioners were modified to increase unit operating efficiency and as a result the drain hole and plug have been removed. -
Page 22: Cleaning The Filter
All manuals and user guides at all-guides.com 5.2 Cleaning the Filter In order to maintain energy efficiency and prolong the life of the unit the air filter should be checked at least once a month to see if cleaning is necessary. In addition, trapped particles in the filter can quickly build up and cause frost on the evaporator. -
Page 23: Modes And Operating Conditions
All manuals and user guides at all-guides.com 6 Modes and Operating Conditions 6.1 Terms and Definitions TA: Temperature of indoor ambient. TE: Temperature of evaporator. TS: The set temperature. DAHT: Heater sensor. 6.2 Protection Functions The compressor restart protection has a delay of 3 minutes. -
Page 24: Fan-Only Mode
All manuals and user guides at all-guides.com 6.4 Fan-Only Mode If the temperature can’t be controlled by the selected mode and the room ambient temperature is shown on the display the unit will default to fan only mode. The readout can only display a temperature of 32 to 99 ℉... -
Page 25: Auto-Defrost Function
All manuals and user guides at all-guides.com 6.6 Auto-Defrost Function The Auto-defrost function operates according to the chart below: TE ℉ compressor on compressor off when TE is lower than 30 ℉ lasting for 5 seconds When TE is below 30℉ the evaporator will frost. As the unit defrosts the indoor fan will continue to operate. -
Page 26: Dry Mode
All manuals and user guides at all-guides.com 6.8 Dry Mode In this mode, the air conditioner will operate as a dehumidifier. Because the conditioned space is closed or sealed, some degree of cooling will continue to occur. The dry mode temperature can be set from 62 to 86℉ (17 to 30℃.) ... -
Page 27: Troubleshooting
All manuals and user guides at all-guides.com 7 Troubleshooting Generally, problems are classified in three ways. The first is Starting Failure which is caused by an electrical defect. The second is an Air Conditioning failure caused by a defect in the refrigeration system or improper air circulation. - Page 28 All manuals and user guides at all-guides.com Problem Possible Cause Solution Clean air filter. Refer to Installation and Dirty air filter- air restricted. Cleaning section. Temperature is set too High. Set to a Lower temperature. The directional louvers on the Position louvers for better air distribution.
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Page 29: Error Codes And Sensor Malfunctions
All manuals and user guides at all-guides.com 7.2 Error Codes and Sensor Malfunctions Display Error Solution Room temperature sensor error.* 1) Check sensor connection to main PCB and Room sensor is an open circuit.* secure any detached or loose connections. Room sensor is a short circuit.* 2) Check sensor wire for damage and repair if possible. -
Page 30: Temperature Sensor Resistance Test Table
All manuals and user guides at all-guides.com 7.3 Temperature Sensor Resistance Test Table Temp.℃ Temp.℉ Resistance KΩ Temp.℃ Temp.℉ Resistance KΩ Temp.℃ Temp.℉ Resistance KΩ 62.2756 62.6 14.6181 111.2 4.3874 15.8 58.7079 64.4 13.918 4.2126 17.6 56.3694 66.2 13.2631 114.8 4.0459 19.4 52.2438... - Page 31 All manuals and user guides at all-guides.com DATE REVISION NOTES 04/11/2018 INITIAL DOCUMENT 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.
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