Haier HDU-18HF03, HDU-18CF03, HDU-28CF03 installation manual Followings are not malfunction

Page 18

Malfunction

The followings are not malfunction

Water flowing sound is heard.

Shuru Shuru

When the air conditioner is started, when the compressor starts or stops during operation or when the air conditioner is stopped, it sometimes sounds "shuru shuru" or "gobo gobo". It is the flowing sound of the refrigerant, and it is not a trouble.

Cracking sound is heard.

This is caused by heat expansion or contraction of plastics.

 

It smells.

Air which blows out from the indoor unit sometimes smells.

 

 

The smell results from residents of tobacco smoke or cosmetics

 

stuck inside of unit.

 

During operation,

When the air conditioner is used at restaurant etc. where dense

white fog comes

edible oil fume is always exists, white fog sometimes blows out

out of indoor unit.

of air outlet during operation.

 

 

In this case consult sales dealer for cleaning the heat exchanger.

It is switched into the FAN mode

To prevent frost from being accumulated on the indoor unit heat

during cooling.

exchanger, it is sometimes automatically switched to the FAN mode

 

but it will soon return to the cooling mode.

 

The air conditioner can not be

Even if the operation switch is turned on, cooling, dehumidifying

restarted soon after it stops.

or heating is not operable for three minutes after the conditioner is

Unit does

stopped. Because the protecting circuit is activated.

Wait for

(During this time air conditioner operates in fan

three

not start

minutes

 

mode.)

 

Air does not blow or the fan

When it is excessively cooled during dehumidifying, the blower

speed can not be changed during

automatically repeats reducing and lowering the fan speed.

 

dehumidifying

 

 

During operation, operation mode

Isn't the AUTO mode selected?

 

has changed over automatically.

In the case of AUTO mode, operation mode is changed automati-

 

cally from cooling to heating or vise-versa according to the room

 

temperature.

 

Water or steam generates from

This results when frost accumulated on the outdoor unit is removed

the outdoor unit during heating.

(during defrosting operation).

 

17

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Contents Duct Type AIR Conditioner Table of Contents Disposal of the old air conditioner Safety Precautions Make sure the system is groundedDo not wash the air conditioner with water Outdoor Rated Maximum Minimum IndoorCooling Heating IndoorParts and Functions Power ON/OFF Parts and Functions OperationCool Fan operation Auto RUN, COOL,HEAT and DRY operation 3Timer setting 1After unit start, select your desired operation mode2TIMER mode selection 4Confirming your settingTime confirming for Timer on Press Timer button to change Timer mode3Time setting for Timer on 5Time setting for Timer OFFCooling, dehumidifying mode Heating mode This series changeover switch is set 1. on 2.OFF 3.OFF 4.OFF Malfunction Unit fails to startMalfunction Followings are not malfunction Care and Malntenance Points to observeWhen heating is started For Preparation of HeatingHot KeepIs The Unit Installed Correctly Installation placeInstallation Manual For Wire Controller Install wire controllerIndoor unit wiring Installation Manual For Indoor Unit Safety precautionsIndoor unit Installation Manual For Indoor Unit Sketch map of long duct Installation of air sending duct Installation of air return ductThermal insulation of duct Foundation bolt Requirements Pipe and insulation materialHose Allowable pipe length and drop Pipe material and size Supplementary refrigerantConnection of refrigerant pipe Vacuum pumping Open all valvesGas leakage detection Electric wiring Haier Group