Carrier 53KHET 12 User manual

Rev. (0) - 2012

Quality

Management System

ISO 9001 : 2008

Certicate No.: QS-5519HH

Enviromental

Management System

ISO 14001 : 2004

Certicate No : 12 104 30334 TMS

Safety

Management System

BS OHSAS 18001 : 2007

Certicate No : 12 116 30334 TMS

220-240V ~, 50Hz

03502821

Carrier is committed to continuously improving its products according to national and international standards

to ensure the highest quality and reliability standards, and to meet market regulations and requirements.

All specications subject to change without prior notice according to Carrier policy of continuous development.

INSTALLATION MANUAL

Hi Wall Split Air Conditioners

53KHET 12-18-24 Cool Only

53QHET 12-18-24 Heat Pump

TABLE OF CONTENTS

PAGENO.

1. GENERAL NOTES TO INSTALLER 1

2. PRECAUTIONS BEFORE INSTALLATION 2

3. SPLIT SYSTEM DESCRIPTION 3

4. MODELS 4

5. OPERATING LIMITS 4

6. DIMENSIONS AND WEIGHT OF INDOOR UNIT 5

7. DIMENSIONS AND WEIGHT OF OUTDOOR UNIT 5

8. SELECTING INSTALLATION LOCATION OF INDOOR UNIT 6

9. SELECTING INSTALLATION LOCATION OF OUTDOOR UNIT 8

10. INSTALLATION LOCATION – CHECK LIST 12

11. INSTALLTION ACCESSORIES 13

12. INSTALLATION CHART 15

13. INDOOR UNIT INSTALLATION

12.1 PREPARING UNIT BEFORE INSTALLATION 16

12.2 INSTALLATION STEPS 17

14. REMOTE CONTROL INSTALLATION 20

15. OUTDOOR UNIT INSTALLATION

15.1 PREPARING UNIT BEFORE INSTALLATION 21

15.2 INSTALLATION STEPS 21

16. CONNECTING REFRIGERANT PIPING LINES 23

17. CONNECTING CONDENSATE DRAIN LINE 38

18. CONNECTING ELECTRICAL WIRING 40

19. FINISHING INSTALLATION 46

20. TEST RUNNING 47

21. ADJUSTING SUPPY AIR DIRECTION 50

22. AFTER INSTALLATION CHECK LIST 52

23. SELF DIAGNOSTIC FUNCTION FOR MALFUNCTIONS DETECTION 54

1. GENERAL NOTES TO INSTALLER

Split room air conditioner has been carefully designed and manufactured under strict Quality Control

conditions.

Therefore you are completely responsible for proper installation completion and operation of the

air conditioner.

Carefully read the manual carefully before proceeding with the installation to ensure correct

installation. This manual describes installation instructions to help ensure trouble free operation

and extended life of the air conditioner.

Make sure all accessory parts are with the system before beginning installation.

You will need the following tools for installation:

1. Standard screwdriver 10.

Flaring tool set

2. Phillips head screw driver 11.

Pipe bender

3. Electric drill, Hole core drill 12.

Hexagonal wrench ( 4mm )

4. Measure tape 13.

Torque wrench

5. Water level gauge 14.

Vacuum pump

6. Pipe clamp 15.

Gas leak detector

7. Pipe cutter 16.

Gauge manifold

8. Spanner ( half union ) 17.

Thermometer

9. Reamer 18.

Electrical millimeter

19.

Measuring tape

After completion of installation, perform a run test and give the customer full

instructions on the correct operation of the air conditioner including:

•Turning the unit on and off. •Removal and cleaning of the air filters.

•Functions of the remote control. •Re-installation of air filters after cleaning

Leave the owner manual with the customer so that it can to be used during operation of the air

conditioner.

Leave the installation manual with the customer so that it can be used for any service and

maintenance operations.

Advise the customer to the tips of energy saving while operating the air conditioner as

mentioned in the owner’s manual.

2. PRECAUTIONS BEFORE INSTALLATION

SAFETY PRECAUTIONS

•Installation and maintenance of air conditioning equipment can be hazardous due to system

pressures, electrical components and rotating parts.

•The installation and maintenance of the air conditioner must be carried out by trained and

qualified technicians from Carrier or one of Carrier authorized dealers.

•After unpacking, Please check carefully for possible damage the indoor and outdoor units

of the air conditioner.

•Before undertaking any work on the indoor and outdoor units of the air conditioner, make sure

to disconnect the power supply.

WARNING

•This installation manual describes the installation procedures of split room air conditioner

consisting of an outdoor unit and an indoor unit manufactured by Carrier.

•The installation of air conditioner must be according to applicable national installation

standards.

•During installation, Proceed first with refrigerant connections between indoor and outdoor

units, and only then make the electrical connections.

Similarly, when disassembling, disconnect the electrical wiring first and only then open

refrigerant connections.

What is not covered in our warranty?

1- Failure due to wrong electrical connections between the electrical power supply and

circuit breaker of air conditioner leading to fire due to short-circuiting. As these electrical

connections are owner’s responsibility.

2- Failure due to Misuse, Abusing, overloading, negligence of air filters cleaning and

negligence of instructions included in the owner’s manual.

3- Failure due to Accident / Weather Natural catastrophe, accident due to bad weather

(Hail Storm, Sand Storm, lightning, Flooding, Acid Rain and Air Borne fallout, etc).

4- Failure due to damages during transport done through the owner.

5- Failure due to any modifications in the product done through the owner.

6- Failure due to Installation or Service and Maintenance or repair works

done through the owner.

7- Product normal sound ( refrigerant – moving parts – plastic parts )

8- Inconvenience or commercial loss is not covered.

The decision of Carrier in ascertaining the same will be final. Any such repairs will be carried -

out at the expense of the owner ( purchaser ).

3. SPLIT SYSTEM DESCRIPTION

Split System Models Sizes 12K – 18K

Split System Model 24K

1: Remote control signal receiver. 2: LCD Display panel

3: Panel frame 4: Chassis

5: Front panel 6: Horizontal supply air louver

7: Vertical supply air louvers 8: Air filters

9: Manual control button 10: Power cord

11: Inter-connecting refrigerant piping

and electrical cables between

indoor and outdoor units. 12: Drain hose

13: Wireless remote control

doo

8Air Inlet 4

Outdoor Unit

Air outlet

doo

8Air Inlet 4

Outdoor Unit

Air outlet

4. MODELS

HEATPUMP Coolonly

System

Model Indoor Unit

Model Outdoor Unit

Model

System

Model Indoor Unit

Model Outdoor Unit

Model

53QHET12-708F 42QHET12-708F 38QHET12-708

53KHET12-708F 42KHET12-708F 38KHET12-708

53QHET18-708F 42QHET18-708F 38QHET18-708

53KHET18-708F 42KHET18-708F 38KHET18-708

53QHET18-708F 42QHET18-708F 38QHET18-708

53KHET24-708F 42KHET24-708F 38KHET24-708

Notes:

53 = Split System

42 = Indoor Unit

38 = Outdoor Unit

Q = Heat Pump

K = Cool Only

H = Hi Wall System

E = Elite Series

T = High Ambient

12 = System Size

7 = Nominal Power Supply 220-240V~50Hz 1Ph

0 = Wireless Remote Control

8 = Miraco – Carrier

F = Ionizer

5. OPERATING LIMITS *

COOLING HEATING

Difference Dry Bulb

Temp. C° Wet Bulb

Temp. C° Difference Dry Bulb

Temp. C° Wet Bulb

Temp. C°

Indoor temperature

Maximum

Minimum

15 Indoor temperature

Maximum

Minimum

Outdoor temperature

Maximum

Minimum

Outdoor temperature

Maximum

Minimum

MAIN POWER SUPPLY

Nominal

220-240V~50Hz 1Ph

Min. Voltage 198

Max. Voltage 254

NOTES:

* When the system is operated above or below these limits for a long time, system

diagnostics may detect a malfunction and the system will not operate properly.

** During heat pump operation, the system will undergo several defrost cycles to eliminate ice

that might possibly collect on the outdoor unit in very low ambient temperatures.

After completion of defrost cycle, the system will normally operate

860

665

350

384

575

371

350

6. DIMENSIONS AND WEIGHT OF INDOOR UNIT

DIMENSIONS (mm)

Indoor Unit

Model Type Dimensions (mm) Weight

W H D

42KHET12-708F Cool Only 790 265 195 9

42QHET12-708F Heat Pump

42KHET18-708F Cool Only 920 292 225 12

42QHET18-708F Heat Pump

42KHET24-708F Cool Only 1080 330 228 17

42QHET24-708F Heat Pump

7. DIMENSIONS AND WEIGHT OF OUTDOOR UNIT

DIMENSIONS (mm)

Model

Mounting

Dimensions

(mm)

Unit

Dimensions

(mm) Weight

A B C D E

38KHET12

38QHET12 549 276 780 540 250 33

38KHET18

38QHET18 530 290 760 590 285 39.5

Weight

Model Kg

38KHET24

38QHET24 58.7

8. SELECTING INSTALLATION LOCATION OF INDOOR UNIT

8.1 CONSIDERATIONS OF SELECTING INSTALLATION LOCATION

Select installation location which allows

minimum clearances for free air circulation

and easy accessibility for service and

maintenance.

•Select outlet location of piping from

indoor unit which allows easy access to

the ends of refrigerant piping lines to

facilitate refrigerant leak testing and to

facilitate service and maintenance.

•Select installation location so that the

wall hole required to pass the outlet

refrigerant piping lines, electrical cables

and condensate drain line from indoor

unit can be in one of the following Four

outlet locations as indicated by (1), (2),

(3) and (4)

Avoid installation location which can lead to

excessive length of refrigerant piping lines

between indoor and outdoor units

Avoid installation location which can lead to

excessive height difference between indoor

and outdoor units

Dimensions (mm)

Back right

outlet location

Back left

outlet location

Right side

outlet location

Left side

outlet location

SELECTING INSTALLATION LOCATION OF INDOOR UNIT (Cont.)

CONSIDERATIONS OF SELECTING INSTALLATION LOCATION (Cont.)

Select installation location which permit the

unit to deliver air to all of the space to be

uniformly air-conditioned.

Avoid installation of the indoor unit at too

low a position.

Avoid installation location which is

subjected to direct sun light that may affect

performance of the unit

Avoid installation location which is near to

heat sources that may affect performance

of the unit.

Avoid installation location where there are

obstacles such as curtains and such as

curtains, furniture near the air inlet or outlet

that may affect air flow and performance of

the unit.

Avoid an installation location, which has an

environment with oil vapors.

Avoid an installation location which has an

environment affected by high frequency

waves generated as from radio equipment’s

welders and medical equipment’s.

Select installation location which has flat wall surface to allow easy and safe installation.

The wall structure should be strong enough to carry the unit weight and avoid

deformation, rupture or vibration during operation.

1900 mm

or more

obstacle

9. SELECTING INSTALLATION LOCATION OF OUTOOR UNIT

9.1 INSTALLATION LOCATIONS

The outdoor unit can be installed in any outside location, on a wall, on a roof or on a ground level.

9.2 CONSIDERATIONS FOR SELECTING INSTALLATION LOCATIONS

Avoid installation location which can lead

to excessive distance between outdoor

and indoor units to avoid alteration on

system cooling and heating performance.

Avoid installation location which can lead

to excessive height difference between

indoor and outdoor units to avoid

alteration on system cooling and heating

performance.

Avoid installation location which can lead

to unnecessary turns and bends in the

refrigerant piping lines connecting

outdoor unit with indoor unit.

Avoid installation location where there are

obstacles near the air outlet or inlet that

may affect air flow and performance of the

unit

Avoid multiple unit installation with units

facing each other and blowing discharged

air into each other.

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