Carrier Air Conditioner Specifications download pdf (Page 7)

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OPERATION TIPS

The following events may occur during normal operation.

1. Protection of the air conditioner.

Compressor protection

The compressor can't restart for 3 minutes after it stops.

Anti-cold air (Cooling and heating models only)

The unit is designed not to blow cold air on HEAT mode, when the indoor heat exchanger is in

one of the following three situations and the set temperature has not been reached.

A) When heating has just starting.

B) Defrosting.

C) Low temperature heating.

The indoor or outdoor fan stop running when defrosting (Cooling and heating models only).

Defrosting (Cooling and heating models only)

Frost may be generated on the outdoor unit during heat cycle when outdoor temperature is low

and humidity is high resulting in lower heating efficiency of the air conditioner.

During this condition air conditioner will stop heating operation and start defrosting automatically.

The time to defrost may vary from 4 to 10 minutes according to the outdoor temperature and

the amount of frost build up on the outdoor unit.

2. A white mist coming out from the indoor unit

A white mist may generate due to a large temperature difference between air inlet and air outlet

on COOL mode in an indoor environment that has a high relative humidity.

A white mist may generate due to moisture generated from defrosting process when the air

conditioner restarts in HEAT mode operation after defrosting.

3. Low noise of the air conditioner

You may hear a low hissing sound when the compressor is running or has just stopped running.

This sound is the sound of the refrigerant flowing or coming to a stop.

You can also hear a low "squeak" sound when the compressor is running or has just stopped

running. This is caused by heat expansion and cold contraction of the plastic parts in the unit

when the temperature is changing.

A noise may be heard due to louver restoring to its original position when power is first turned on.

4. Dust is blown out from the indoor unit.

This is a normal condition when the air conditioner has not been used for a long time or during first

use of the unit.

5. A peculiar smell comes out from the indoor unit.

This is caused by the indoor unit giving off smells permeated from building material, from furniture,

or smoke.

6. The air conditioner turns to FAN only mode from COOL or HEAT (For cooling and

heating models only) mode.

When indoor temperature reaches the temperature setting on air conditioner, the compressor will

stop automatically, and the air conditioner turns to FAN only mode. The compressor will start again

when the indoor temperature rises on COOL mode or falls on HEAT mode (For cooling and heating

models only) to the set point.

CARE AND MAINTENANCE

Maintenance

Checks before operation

If you plan to idle the unit for a long time, perform

the following:

(1) Operate the fan for about half a day to dry the

inside of the unit.

(2) Stop the air conditioner and disconnect power.

Remove the batteries from the remote controller.

(3) The outdoor unit requires periodic maintenance

and cleaning. Do not attempt to do this yourself.

Contact your dealer or servicer.

Check that the wiring is not broken off or

disconnected.

Check that the air filter is installed.

Check if the air outlet or inlet is blocked after the

air conditioner has not been used for a long time.

Do not touch the metal parts of the unit when

removing the filter. Injuries can occur when

handling sharp metal edges.

Do not use water to clean inside the air conditioner.

Exposure to water can destroy the insulation,

leading to possible electric shock.

When cleaning the unit, first make sure that the

power and circuit breaker are turned off.

Caution

Air freshening filter

4. Remove the Air Freshening Filter from its support

frame (on some models).

(The optional filter include :Plasma Dust Collector/

Silver Ion filter /Bio filter /Vitamin C filter/3M air

purifier filter, etc. The removing and installation

methods are slightly different, see the pictures

marked and on the left.

Clean the air freshening filter at least once a

month, and replace it every 4-5 months.

Clean it with vacuum cleaner, then dry it in cool

place.

5. Install the air freshening filter back into position.

6. Insert the upper portion of air filter back into the

unit, taking care that the left and right edges line

up correctly and place filter into position.

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Do not touch the Plasma Dust Collector

Filter within 10 minutes after opening the

front panel, it may cause an electric shock.

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Carrier Air Conditioner Specifications Page 7

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