Carrier 42 HQX Manual de Usario

Carrier aire acondicionado 42 HQX

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42 HWX / 42 HQX

42HWX/42HQX

06 - 08 - 10 - 12

42HWX 18 - 24

OWNER’S MANUAL

42 HWX / HQX

Split system “HI-Wall” indoor unit

ENGLISH

GB - 1

IR Remote Control “Room Controller” “Group Controller” “Zone Manager”

The unit can be used with infrared Remote Control, with the Carrier “Room

Controller” or “Group Controller” remote control.

Some units can be used also with the Carrier “Zone Manager” remote control.

Infrared control instructions are contained in the present manual.

Remote controls instructions are contained in the relevant manuals.

The installation instructions for both the indoor and the outdoor unit are given in the

manuals for each unit.

Contents

Page

General information .................................................................................... 2

System description ..................................................................................... 3

Infrared remote controller ........................................................................... 4

Display of selected functions ...................................................................... 5

Unit protection devices ............................................................................... 5

Unit warning lights and controls .................................................................. 6

Periodical checks........................................................................................ 6

Use of the remote controller ....................................................................... 7/8

Optimum comfort and lowest consumption ................................................ 9

Correct cleaning.......................................................................................... 9

Before a long shutdown period .................................................................. 9

Troubleshooting .......................................................................................... 10

42 HWX / HQX

GB - 2

General information

Unit operation and maintenance

Read this instruction manual thoroughly before using the unit.

• This unit complies with low-voltage (EEC/73/23) and electro-

magnetic compatibility (EEC/89/336) directives.

• Check that the electrical mains supply has been connected to the

outdoor unit (for sizes 18, 24).

• Check that voltage and frequency of the mains power supply are

those required for the unit; power available must be adequate to

operate any other possible appliances connected to the same line.

• Keep all operation and maintenance manuals carefully and deliver

them to the next owner when the unit is passed on.

• Check that all current national safety code requirements have

been followed for the installation.

In particular ensure that a properly sized and connected

ground wire is in place.

• Use the unit only for factory approved applications: the unit cannot

be used in laundry premises.

• Do not use damaged equipment. In case of a malfunction turn the

unit oﬀ and disconnect mains supply.

• Disconnect the electrical mains supply prior to any maintenance

operations or prior to handling any internal unit parts.

• Manufacturer declines any liability for damage resulting from

modiﬁcations or errors in the electrical or refrigerant connections,

made during the installation, or from the improper use of this

equipment. This will void the unit warranty immediately.

• Failure to observe electrical safety codes may cause a ﬁre hazard

in case of short circuits.

• This unit will only work safely and correctly, if installed and tested

by qualiﬁed personnel.

• Do not open the electronic remote controller to avoid possible

damage. In case of malfunction contact a qualiﬁed service

engineer.

• This unit contains rotating equipment (fan). Ensure that this is out

of reach for children.

• Be conscious of the room temperature and general comfort,

particularly when this units is used near children, senior or

handicapped people.

• For correct use, the air conditioner must operate within the

temperature limits indicated in the table “Operating Limits”

included in the outdoor unit installation manual.

Incorrect use of the unit outside these limits may cause

malfunction and dripping water.

• Inspect equipment for damage due to improper transportation or

handling: In case of damage ﬁle an immediate claim with the

shipping company.

• This equipment contains ozone depleting substances.

Maintenance of the refrigerant circuit must only be carried out by

qualiﬁed personnel.

• All of the manufacturing and packaging materials used for

your new appliance are compatible with the environment and

can be recycled.

• Dispose of the packaging material in accordance with local

requirements.

• This equipment contains coolant that must be disposed of in a

proper manner. When disposing of the unit after its operational life,

remove it carefully. The unit must then be delivered to an

appropriate disposal center or to the original equipment dealer, for

proper environmentally friendly disposal.

• Controller batteries contain polluting elements. When exhausted,

they must be disposed of in accordance with local requirements.

WARNING:

Do not switch oﬀ the split system by disconnecting the electric

power supply. The unit must always be switched oﬀ using the

remote control.

42 HWX / HQX

GB - 3

E N G L I S H

A. Outdoor unit

B. Indoor unit

System description

1 2 3 4 5 67

1 2 3 4 5 6 7

1. Automatic swinging louver

2. Air return

3. Air ﬁlters

4. Air outlet

5. Indicators of unit operating status

6. Receiver of signals from remote controller

7. Characteristics nameplate

8. Interconnecting tubing

9. Condensate drain

Mod.

06 - 08 - 10 - 12

Mod.

18 - 24

42 HWX / HQX

GB - 4

Insert batteries paying attention to the correct polarity indicated in

the battery compartment; replace cover.

The maximum operating range for the remote controller is approx. 6 m.

No obstructions such as curtains or plants should be between controller

and unit. Direct sun on the unit receiver may interfere with good

signalreception.

The controller must be directed toward the unit receiver when pressing

the buttons of the desired functions. An acoustical acknowledgement

sound (beep) will indicate that signal has been received. If the signal has

not been received, renewed transmission is necessary by pressing any of

the buttons E, F, L or J situated under the sliding cover. After the

acknowledgment (beep), check the function displayed on the controller

readout and adjust or modify the selection made, if necessary. During

signal transmission symbol 1

will appear on the display (see next

page). When symbol 1 is lit it is not possible to send other signals.

A new signal can be sent only after symbol 1 has disappeared.

Fix to the wall the remote control holder using the screw.

The remote controller operates with two 1.5 V non re-chargeable

batteries, type IEC LR03.

A fading display and reduced controller operating range indicate that

the batteries are exhausted.

How to insert batteries:

Open sliding cover.

Remove the cover by pressing on the plastic catch at the rear of

the controller.

Infrared remote controller

Press

BEEP

A. Display readout

B. On/Oﬀ button

C. Timer mode On/Oﬀ button

D. Mode selection button

E. Increase temperature button

F. Decrease temperature button

G. Timer program selection button

H. Set clock or timer hour button (Up)

I. Set clock or timer hour button (Down)

J. Fan speed selection button

K. Night mode button

L. Function not enabled

M. Clock set button

M O D E

M O D EM O D E

T E M P E R A

T U R E

T I M E R

C L O C K

C L O C KC L O C K

42 HWX / HQX

GB - 5

E N G L I S H

Display of selected functions

1. Symbol of signal transmission

2. Operating mode display

3. Dehumidiﬁcation only

4. Cooling and dehumidiﬁcation

5. Automatic

6. Heating

7. Ventilation (fan only)

8. Temperature readout

9. Temperature selected

10. Timer display

11. Combined timer start / stop program

12. Night stop program

13. Stop program

14. Start program

15. Time display

16. Time of the day or start / stop programmed hour

17. Air function display

18. Fan speed

19. Operating position of the air louver

M O D E

M O D EM O D E

T E M P E R A

T U R E

T I M E R

T I M E RT I M E R

C L O C K

C L O C KC L O C K

Table I: Unit protection devices (1)

Type of protection Effect of protection Operation mode When on

Cold draft prevention Indoor fan off or operating at Heating in At unit start and

speed lower than selected. heat pump mode during operation

Defrost cycle Indoor fan off or operating at Heating in During unit operation

speed lower than selected. heat pump mode

Against freeze-up Compressor off Cooling During unit operation

of cooling coil

Against frequent Compressor off Cooling or At unit start

compressor cycling heat pump

On electric heaters Fan will stop for 30 sec. Electric heating At unit stop

after unit is turned off.

(1) In some temporary operating conditions (red indicator light on the indoor unit lit) the fan and the louver will not be in the selected position. It is not possible

to change the position until the red indicator light goes oﬀ. When this appens, the fan louver automatically return to the position initially selected.

WARNING:

(models with electric heater):

If the manual thermostat trips the circuit, contact your local Assistance centre.

During heat pump operation unit will undergo several defrost cycles to eliminate ice that might possibly collect on the outdoor unit in very low ambient

temperatures. In these cycles, fan speed will automatically reduce and cannot be varied until defrost cycle is completed.