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CT-65I24
Инструкция по эксплуатации Страница: 33

Centek CT-65I24 [33/44] Troubleshooting

AIR FILTER CLEANING

1. Raise the front panel to the stop, then lift the protruding part of the

filter and remove it.

2. Clean the filter with a vacuum cleaner or rinse it with water. If the

filter is heavily contaminated wash it in warm water with a mild

detergent. Let the filter dry completely in a shaded place.

3. Reinstall the filter and close the front panel.

MAINTENANCE

At the end of a season

The following action should be taken:

– turn on the AC in the VENTILATION for a prolonged time;

– disconnect the appliance from power supply;

– clean the air filter;

– wipe the indoor and outdoor units with a soft dry cloth;

– remove the batteries from the RC unit.

At the beginning of a season

The following action should be taken:

– ensure that the intake and exhaust openings on the indoor and

outdoor units are not blocked;

– ensure there is no corrosion or rust on the outdoor unit;

– ensure that the air filter has been cleaned;

– connect the AC to power supply;

– install the batteries into the RC unit.

6. TROUBLESHOOTING

The appliance will

not turn on

Check power supply connection. The safety device

has tripped; try to turn the AC on after waiting for

at least 3 minutes. Power supply voltage too high

or too low. Check if a turn-on delay timer has been

eventually set

The AC does not

respond to RC

commands

Possible influence of electromagnetic interference.

Try to disconnect the AC from power supply and

connect it again in 1 minute. Ensure that the RC

unit is within the signal coverage. Check the RC

batteries, replace them if necessary. Check the RC

unit for damage

Low cooling or

heating efficiency

Check correctness of the target temperature setting.

Check if the inlet and outlet openings of the indoor

unit have been blocked. Check the indoor unit air

filter, heat exchanger and fan for contamination,

have them cleaned if necessary. Ensure that

warm/cold air is not coming from an open door or

window. Check correctness of the fan speed set. The

cooling efficiency can be insufficient if the outdoor

temperature is too high. The heating efficiency can

be insufficient if the outdoor temperature is too low.

Check for additional heat sources in the room

Delayed operating

mode change

Operating mode changes during operation may take

up to 3 minutes

Delayed activation

of the heating

mode

A delay of 2 to 5 minutes is required for heating

up the indoor unit heat exchanger. This is not a

malfunction

Unusual smell

An AC can amplify the smells present in the room,

such as cigarette smoke, perfume, furniture smells,

etc. Contact a service centre if the odor persists for

a prolonged time

The sound of

running or

bubbling water

coming from the

indoor unit

These sounds are caused by the refrigerant flowing

in the tubes and boiling in the indoor unit evaporator.

This is not a malfunction

Crackling sound

coming from the

indoor unit

The crackling is caused by the temperature

expansion or contraction of the front panel. This is

not a malfunction

Faint mechanical

noise coming from

the indoor unit

The noise occurs when the indoor unit fan turns on

and off. This is not a malfunction

Hissing noise

coming from the

indoor unit

The noise occurs when the refrigerant flow changes

direction. This is not a malfunction

Indoor unit housing

discoloration

This may be the result of different factors (e.g.

ultraviolet radiation, temperatures, etc.); the plastic

housing can change color, which does not affect

the functionality of the appliance. This is not a

malfunction

Fog coming from

the indoor unit

outlet

If the indoor humidity and temperature is high, fog

can be formed at the AC outlet. It will disappear after

some time, as the indoor temperature decreases

Water flowing from

the outdoor unit

This is the condensate from the outdoor unit forming

during operation in the heating mode and at the start

of the defrosting mode. This is not a malfunction

7. AIR CONDITIONER INSTALLATION

OUTDOOR UNIT LOCATION SELECTION

Select a location where the surface can support the weight and

vibration of the outdoor unit and where the noise and air flows

generated by it would not be amplified and disturb the users of the

AC and their neighbors. There should be a sufficient free space for the

installation and subsequent maintenance of the outdoor unit.

There should be enough free space in order not to restrict air

circulation and no obstructions at the air intake and discharge sides.

The impact of strong winds on the outdoor unit should be excluded.

The impact of direct sunlight and precipitation on the outdoor unit

should be minimized. The installation of protective hoods and screens

is recommended in areas with abundant snowfalls. The outdoor unit

should be located at least 3 meters away from radio and TV receivers

in order to minimize the probability of sound and picture distortion

during operation. The outdoor unit should be installed perfectly level.

The support brackets of the outdoor unit should be securely fastened.

Since liquid may flow from the outdoor unit, no objects should be

located near it which can be damaged by moisture.

The following regulations should be observed during AC operation at

low ambient temperatures:

Do not install the outdoor init in locations where its air inlet and outlet

openings may be directly affected by winds. To avoid wind impact the

outdoor unit should be mounted with the intake side facing the wall,

and the outlet opening should be provided with a protective screen.

The outdoor unit should be installed above the snow cover level to

avoid the ingress of snow into the unit.

Centek CT-65I24 [33/44] Troubleshooting

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