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18 | 

P a g e

 

The unit has worked for a 

long time, but the room is 

not cold enough 

Windows or doors are open.

There are too many people in

the room.

There is direct sunshine into

the room.

The room is a kitchen or with

many heat-producing

appliances

There is a server in the room.

The room is too large.

Close all windows and doors.

You may need additional cooling or another

air conditioner.

Close curtains or blinds and try to minimize

the amount of direct sunlight into the room.

You may need additional cooling or another

air conditioner.

You may need additional cooling or another

air conditioner.

You may need additional cooling or another

air conditioner.

The unit is very noisy 

The unit is not level.

The surface underneath the

unit is uneven.

Low power voltage.

Make sure the unit is on hard, level and

stable surface.

Move the unit to a location with a level and

hard floor.

Make sure the wall outlet and support the

required power consumption of the air

conditioner and do not use an extension cord.

The unit leaks water 

The unit is tilted or not leveled

The water tank is full.

Make use the unit is leveled.

Drain water from the drain plug at the back of

the air conditioner.

The unit needs to be 

drained too often 

The humidity in the area may

very high

Possible loose connection

Remove the intake hose if the outside

humidity is high or it is raining

Contact Whynter Service Department

Fan speed cannot be 

changed 

Fan speed differences are not

very noticeable

The fan speed difference is not very

noticeable when the compressor is on. Try

setting the unit to Fan only mode, you should

be able to hear the difference between high

and low fan speed settings.

The unit does not heat

 

The room temperature is too

low.

The heating mode is not on.

The compressor has not

turned on yet because of its

time delay.

The set temperature is too low.

The internal water reservoir is

full.

The humidity in the area may

very high

There may be a loose

connection

The heat pump of the air conditioner does not

operate when temperature is below 45F.

Press the MODE button until the HEAT light is

show on the display

Give the compressor 3 minutes to turn on

after the Heating mode has been selected.

Set the air conditioner to a higher

temperature. It is recommended to set the

temperature to at least 5F of the ambient

temperature.

Either manually drain the water by removing

the drain plug or allow the unit to exhaust the

water itself by running the fan only mode. The

cooling will resume.

Remove the intake hose if the outside

humidity is high or it is raining

Contact Whynter Service Department

Summary of Contents for ARC-143MX

Page 1: ...R WITH 3M FILTER c MODEL ARC 143MX Instruction Manual Congratulations on your new WHYNTER product To ensure proper operation please read this Instruction Manual carefully before using this product Kee...

Page 2: ...ACCESSORIES 6 IDENTIFICATION OF PARTS 7 OPERATING YOUR AIR CONDITIONER 8 INSTALLATION INSTRUCTIONS 9 10 AIR FILTERS INSTALLATION 11 OPERATION INSTRUCTIONS 12 13 WATER DRAINAGE 13 REMOTE CONTROL 14 CAR...

Page 3: ...provide the performance and reliability that we stand for Please keep this user manual in a safe place for future reference DISPOSAL This symbol on the product or its packaging indicates that the app...

Page 4: ...amy or wet areas Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliances Do not repair disassemble and or modify the unit by yourself Always...

Page 5: ...ing efficiency of the portable air conditioner At the end of each season all water must be drained from the unit and filter s must be cleaned before storage THE MANUFACTURER DISCLAIMS ANY RESPONSIBILI...

Page 6: ...rs 4 pieces Window slider kit 1 set Cover 2 pieces Remote control 1 piece Optional Intake filter sold separately 1 piece 3M Antimicrobial filter 1 piece Storage Cover 1 piece Carbon Filter sold separa...

Page 7: ...7 P a g e IDENTIFICATION OF PARTS Front 1 Air vent 2 Control panel Rear 3 Evaporator air intake 4 Air intake 5 Air exhaust 6 Casters 7 Drain plug 8 Power cord 9 Intake filter sold separately...

Page 8: ...in the unit If the internal reservoir becomes full the warning light and the STOP light will come on and the unit will stop until the water is drained Timer Temperature Set Control Adjusts set thermo...

Page 9: ...ional When the unit is operating in dehumidifying or fan only mode installation of the exhaust hose is optional 1 Expand each end of the exhaust and intake hoses about 6 2 Install the hose connectors...

Page 10: ...ding door additional security measures may be needed 1 Open the window approximately 5 2 Adjust the length of the window slider to the same length and width of the opening of the window Cut the window...

Page 11: ...inhibit the growth of mold and mildew Micro structured and electrostatically charged media traps and retains particles WARNING NEVER OPERATE THE AIR CONDITIONER WITHOUT THE PRE FILTER 1 Pull up the p...

Page 12: ...on In cooling mode the difference in noise level between the 3 fan speeds is not very noticeable when the compressor is on Try setting the unit to Fan only mode you should be able to hear the differen...

Page 13: ...d back air vents COMPRESSOR LOCK OUT This portable air conditioner is optimized to operate in an ambient temperature of 64 F 90 F The compressor circuit has an automatic 3 minute time delayed start if...

Page 14: ...ransmissions between the remote control and the air conditioner Remove the batteries if the remote control is not used for long periods INSTALLING BATTERIES Only use two AAA 1 5V Batteries in the remo...

Page 15: ...ter com for a list of optional accessories WARNING Never operate the air conditioner without the pre filter in place CLEANING THE AIR CONDITIONER Always switch off the air conditioner and disconnect t...

Page 16: ...f waiting until the hottest point of the day will allow the unit to be more effective The air conditioner will not have to work as hard to cool the room down and maintain the set temperature 3 Reduce...

Page 17: ...ling The room temperature is outside of the operational tolerances of the unit The Cooling mode is not on The compressor has not turned on yet because of its time delay The set temperature is too high...

Page 18: ...to be drained too often The humidity in the area may very high Possible loose connection Remove the intake hose if the outside humidity is high or it is raining Contact Whynter Service Department Fan...

Page 19: ...Use in commercial or industrial applications Damage accidental or otherwise to the product while in the possession of a consumer not caused by a defect in material or workmanship Damage caused by con...

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