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Installation and Operation
Instruction Manual
CEW121AS - 12,000
CEW151AS - 15,000
CEW183AS - 18,000
CEW243AS - 24,000

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MELISSA J LINSEA
June 12, 2025

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Summary of Contents for Coast-Air CEW121AS

  • Page 1 Installation and Operation Instruction Manual CEW121AS - 12,000 CEW151AS - 15,000 CEW183AS - 18,000 CEW243AS - 24,000...
  • Page 2: Table Of Contents

    Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS Foreword Please have professional technicians do the installation for you. This Instruction Manual is a universal verson for multiple models of window-type air conditioners manufactured by our Co. The appearance of the unit that you purchase might be slightly different from those described in this Manual, but it does not affect proper operation and usage.
  • Page 3: Cew121As -

    Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS INSTRUCTI0 � TO END-USERS INSTRUCTIONS TO END-USERS ____ _ Read this Manual carefully before using your air conditioner to ensure proper operation. • i:f.ii iJlt:ii M:t-J i · li:f.i M ! •· S ; M: • INSTRUCTIONS TO INSTALLATION INSTALLATION INSTRUCTIONS •...
  • Page 4: Instructions To End-Users

    Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS INSTRUCTIONS TO END-USERS INSTRUCTIONS TO END-USERS l . . . ""' ' " ''"" � - Try to reduce the generation of If the air conditioner and the Try as much as possible to heat in the room during cooling cooking appliances have to avoid the sunlight and warm...
  • Page 5: Nomencaluture And Functions Of Various Parts

    Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS NOMENCLATURE AND FUNCTIONS NOMENCLATURE AND FUNCTIONS OF VARIOUS PARTS OF VARIOUS PARTS FEATURES © Cabinet Upper guide @ Curtain(window filler) @ Operation panel ® Left/right air directiion fin ® Fresh air switch (optional, some Fresh air switch(optional,some models are not supplied with this) models are not supplied with this)
  • Page 6 Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS NOMENCLATURE AND FUNCTIONS NOMENCLATURE AND FUNCTIONS OF VARIOUS PARTS OF VARIOUS PARTS G) DIGITAL DISPLAY In usual operation.In FAN mode.It indicates room temperature;ln COOL or DRY mode.It indicates setting temperature;ln timer operation.when pressing the timer button ,it indicates timer time,if the time has not been be adjusted after 5 seconds,it indicates temprature again;lf ROOM TEMP SENSOR °...
  • Page 7: Use Of Remote Controller

    Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS USE OF REMOTE CONTROLLER USE OF REMOTE CONTROLLER REMOTE CONTROLLER Note:1.0nly certain models are supplied with a remote controller. 2.There are two types of remote controllers, Please check to refer to the instructions for the matching remote controller for your air-conditioner.
  • Page 8 Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS USE OF REMOTE CONTROLLER USE OF REMOTE CONTROLLER METHOD OF TRANSMISSION Point the remote controller at the air conditioner as shown in the figure and press the button on the controller. The instruction signal will be transmitted to the air conditioner.
  • Page 9: Maintenance

    Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS MAINTENANCE METHODS OF MAINTENANCE *Before doing the maintenance, make sure that the air conditioner is turned off and the plug is pulled out from the socket. Before the operational season During the operational season Before the operational seasons During the operational seasons Check to see if there are any blocking...
  • Page 10: Troubleshooting

    Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS TROUBLESHOOTING DIAGNOSIS ON PHENOMENA AND TREATMENTS Inspection and treatment prior to maintenance Please check the following items before asking dealer or authorized maintenance shop for after-sale service: The air conditioner does not work at all. Is the power plug inserted into the socket properly? °...
  • Page 11 Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS TROUBLESHOOTING DIAGNOSIS ON PHENOMENA AND TREATMENTS The following phenomena occurring during the operation do not mean faults of the machine. You may use the air conditioner with peace of mind. Phenomena Diagnosis The air conditioner cannot be started for Wait after 3 minutes.
  • Page 12: Installation

    Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS INSTALLATION INSTALLATION INSTALLATION REQUIREMENTS This room air conditioner is designed for installation in standard double-hung windows with actual opening widths from 31"to 43"(787 mm to 1092 mm)(FIG. 1). Lower sash must open sufficiently to allow a clear vertical opening of 18-5/8"(473mm).Side louvers and the rear of the air conditioner must have clear air space to allow enough airflow through the condenser...
  • Page 13 Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS INSTALLATION INSTALLATION • Locate the four front screws and remove. These screws will be needed to re-install the front later (See FIG.4). • Pry away front from cabinet sides (See FIG.5). • Gently lift front off unit and place to one side. Remove the ground screw and save to reinstall later ( See FIG.6) .
  • Page 14 Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS INSTALLATION INSTALLATION FIG.9 PLACE CABINET IN THE WINDOW • Open window and mark center of window still(See FIG.10). • Place cabinet in window. Bring window down temporarily behind upper guide to hold cabinet in place. Shift cabinet left or right as needed to line up center of cabinet on center line marked on still.
  • Page 15 Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS INSTALLATION INSTALLATION INSTALL WINDOW LOCK AND SASH SEAL • Trim sash seal to fit window width. Insert into space between upper and lower sashes (See FIG.15). • Attach safety lock as shown (See FIG.16). WINDOW SASH SEAL SAFETY LOCK SCRE...
  • Page 16: Removal From Window

    Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS INSTALLATION INSTALLATION IF AC IS BLOCKED BY STORM WINDOW • Add wood as shown in FIG.18,or remove storm window before air conditioner is installed. � -" • If storm window frame must remain.be sure the drain 1 1/2''MIN 1/2"MIN holes or slots are not caulked or painted shut.
  • Page 17 Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 18 Installation and Operation Instruction Manual 12-24K - CEW121/151/183/243AS THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 19 Coast-Air warrants this Room Air Conditioner to be free from defects warranty period, Coast-Air shall have the right to allow a credit in the in workmanship and materials for normal use and maintenance for amount of the current suggested retail price of the product instead of one (1) year from the date of purchase by the original consumer.
  • Page 20 5/2017...

This manual is also suitable for:

Cew151asCew243asCew183as

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