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IOM  -  

RXTS Series

32

Air Conditioner 

Features

DISPLAYS

NOTICE:

If the unit turns off unexpectedly due to 

the power being cut, it will automatically 

restart with the previous function setting 

when the power resumes.

DISPLAYS:

Shows the set temperature in " 

" or " 

" and the Auto-timer settings. While 

on Fan only mode, it shows the room temperature. If the room temperature is too 
high or low, it will display " HI" or " LO".The control is capable of displaying 

temperature in degrees Fahrenheit or degrees Celsius.  To convert from one to the 

other, press and hold the Up and Down buttons at the same time for 3 seconds.

Display

Error codes:

The unit may stop operation or continue to run safely. If the error codes appear, wait for about 10 minutes. 
The problem may resolve itself. If not, disconnect the power, then connect it again. Turn the unit on. 
If the problem persists, disconnect the power and contact your nearest customer service center.  

Error code appears andbegins with the letters as the following in the window display of  indoor unit:
EH(xx), EL(xx), EC(xx) , PH(xx), PL(xx), PC(xx).

ADDITIONAL THINGS YOU SHOULD 
KNOW

Now that you have mastered the operating 

procedure, here are more features in your 

control that you should become familiar with.

• The Cool circuit has an automatic 3 minutes time 

   delayed start if the unit is turned off and on 

   quickly. This prevents overheating of the 

   compressor and possible circuit breaker tripping.

   The fan will continue to run during this time.

NOTICE:

   If your problem persists after performing the checks and diagnostics above,

   turn off your unit immediately and contact an authorized service center.

SLEEP 

button

Press Sleep button to initiate the sleep mode. In this mode the selected temperature will increase

(in cooling mode)  by 2

/1 (or 2)

 30 minutes after the mode is selected. The temperature will then 

increase (in cooling mode) by another 2

/1 (or 2)

 after an additional 30 minutes. This new 

temperature will be maintained for 7 hours before it returns to the originally selected temperature. 
This ends the Sleep mode and the unit will continue to operate as originally programmed.
The Sleep mode program can be cancelled at any time during operation by pressing the Sleep 
button again.

8

SWING 

button

Used to initiate the Auto swing feature.  When the operation is ON, pressing the SWING button

 can stop the louver at the desired angle.

Press SWING button 

for 3 seconds to initiate the filter feature. This feature is a reminder to clean the 

Air Filter for more efficient operation.  The LED(the light above the button) will illuminate after 250 

hours of operation. 

9

 Page 32 

10

LED

 button

•  Press LED button

 to turn the LED display on and off, which create a comfortable environment.

Summary of Contents for Comfort-Aire RXTS Series

Page 1: ...IOM RXTS Series 1 www comfort aire com Installation and Operation Manual RXTS Series U Rack Window Type Room Air Conditioner RXTS 81A RXTS 101A RXTS 121A...

Page 2: ...RXTS Series 2 Table of Contents Important Safety Instructions 03 Installation Instructions 14 Normal Sounds Sound Performance 28 Air Conditioner Features 29 Care and Cleaning 33 Troubleshooting Tips...

Page 3: ...e possibility of injury or damage to property Indicates information considered important but not hazard related WARNING DANGER Plug in power plug properly Do not modify power cord length Always ensure...

Page 4: ...the power cord near flammable gas or combustibles such as gasoline benzene thinner etc Keep firearms away WARNING When the air filter is to be removed do not touch the metal parts of the unit It may...

Page 5: ...not drink water drained from air conditioner Do not place obstacles around air inlets or inside of air outlet Use caution when unpacking and installing Sharp edges could cause injury CAUTION If water...

Page 6: ...s Your air conditioner must be used in a properly grounded wall receptacle If the wall receptacle you intend to use is not adequately grounded or protected by a time delay fuse or circuit breaker have...

Page 7: ...pecified for operation Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry accredited assessment authority which...

Page 8: ...gnition of the flammable refrigerant used Please follow the instructions carefully to store or maintain the air conditioner to prevent mechanical damage from occurring Flammable refrigerant R32 is use...

Page 9: ...Work in confined spaces shall be avoided The area around the workspace shall be sectioned off Ensure that the conditions within the area have been made safe by control of flammable material 4 Checkin...

Page 10: ...g corroded or are suitably protected against being so corroded 9 Checks to electrical devices Repair and maintenance to electrical components shall include initial safety checks and component inspecti...

Page 11: ...shall not be used 11 Leak detection methods The following leak detection methods are deemed acceptable for systems containing flammable refrigerants Electronic leak detectors shall be used to detect...

Page 12: ...e taken not to overfill the refrigeration system Prior to recharging the system it shall be pressure tested with OFN The system shall be leak tested on completion of charging but prior to commissionin...

Page 13: ...ief valve and associated shut off valves in good working order Empty recovery cylinders are evacuated and if possible cooled before recovery occurs The recovery equipment shall be in good working orde...

Page 14: ...IOM RXTS Series 14 Installation Instructions NOTICE The unit you purchased may look like one of the followings Page 14 Installation Instructions Model A Model B...

Page 15: ...IOM RXTS Series 15 Page 15 Installation Instructions NOTICE All the illustrations in this manual are for explanation purpose only The actual installation may vary Model C Model D...

Page 16: ...se IMPORTANT Observe all governing codes and ordianaces Note to Installer Be sure to leave these instructions with the Consumer Note to Consumer Keep these instructions for future reference Skill leve...

Page 17: ...pe B Screw 2 2 Window Sash Lock Window Sash Foam Window Sealing Foam Bracket Sealing Foam Additional Side Arm Foam 1 Type A Screw 2 2 1 1 1 1 Angled Support Arms Horizontal Bracket Spring Push Pin Mai...

Page 18: ...in adjust the Left Extension Arm out and then install the Right Extension Arm Measure the width of the inner windowsill on your window Making sure that the center of the bracket will line up with the...

Page 19: ...wsill by drilling 1 8 pilot holes and installing the 1 2 and 1 Type A screws as shown in Fig 7 B Move the Angled Support Arms toward the exterior wall until the feet touch the wall Place the level on...

Page 20: ...level again and ensure the bracket feels secure After making any necessary adjustments insert the cotter pins into the Main Support Pins Cotter Pin E If necessary cover the holes on the front of the b...

Page 21: ...n top of the support bracket Ensure the grooves on the bottom of the air conditioner align with the Main Supports Using a level check for proper tilt towards the outside WARNING Do not leave the unit...

Page 22: ...screws as shown Use the 1 2 Type B screw Use the 1 4 Type B screw Fig 16 A Measure the distance between the Side Arm Hinge and the closest part of the window frame in line with the Side Arm Add 1 4 t...

Page 23: ...conditioner Air Conditioner Side Vinyl Type Windows with Lipped Sill Window Sealing Foam Fig 18 Additional Side Arm Foam Wooden Type Windows with Flat Sill Window Sealing Foam Fig 19 Fig 20 C Insert S...

Page 24: ...iew Extend into Window Track The factory installed 1 2 screw must be re used to secure the Anti Tip Bracket Failing to use this screw could damage the air conditioner Top of Unit D The Anti Tip Bracke...

Page 25: ...Extend the Integrated Window Locks located in the U channel until they contact the window For additional security you can install the optional Sash Lock as shown Fig 25 Fig 26 FOAM SEAL Fig 24 G To s...

Page 26: ...drain holes or slots are not caulked or painted shut Accum ulated rain water or condensation must be allowed to drain out You must secure the support bracket to the added wood piece using the provided...

Page 27: ...its bottom portion 75 150cm above the floor level 6 The power cord must be connected to an independent circuit The yellow green wire must be grounded Installations of the unit into the wall OPTION A...

Page 28: ...In front of the unit you may hear the sound of rushing air being moved by the fan High Pitched Chatter Vibration Unit may vibrate and Trickling Sound Gurgle Hiss noises may be heard NOTICE All the il...

Page 29: ...w see Air Directional Louvers 6 Once the room has cooled adjust the thermostat to the setting you find most comfortable 7 Make sure the air flow inside and outside is not obstructed by anything Coolin...

Page 30: ...he timer settings Press or hold the UP or DOWN button to change the Auto time by 0 5 hour increments up to 10 hours then at 1 hour increments up to 24 hours The control will count down the time remain...

Page 31: ...e fan speed cannot be adjusted it starts automatically at a speed according to the room temperature 2 To operate on COOL mode Choose Cool Mode to set the cooling function Use the Up and Down buttons t...

Page 32: ...n automatic 3 minutes time delayed start if the unit is turned off and on quickly This prevents overheating of the compressor and possible circuit breaker tripping The fan will continue to run during...

Page 33: ...r from the filter Be sure the filter is thoroughly dry before replacing Instead of washing you may vacuum the filter clean Cabinet Cleaning Be sure to unplug the air conditioner to prevent shock or fi...

Page 34: ...filter Refer to Care and Cleaning section To defrost set to FAN ONLY mode Thermostat set too cold for night time cooling To defrost the coil set to FAN ONLY mode Then set temperature to a higher sett...

Page 35: ...ty of moisture from humid room This is normal during excessively humid days Remote Sensing Deactivating Prematurely some models Remote control not located within range Place remote control within 20 f...

Page 36: ...__________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _...

Page 37: ...__________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _...

Page 38: ...__________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _...

Page 39: ...emedy under the Limited Warranty is replacement of the defective unit Labor to diagnose and replace the defective unit is not covered by this Limited Express Warranty If for any reason the replacement...

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