Carrier 53QPCT24H-708F, 38QPCT24H-708, 38QPCT18H-708, 42QPCT18H-708F, 42QPCT24H-708F Installation Manual
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Hi Wall Split Air Conditioners
53QPCT 18C-24C Cool Only
53QPCT 18H-24H
Heat Pump
Rev. (0) - 2013
220-240V ~ 50Hz 1Ph
R
2
2
Quality
Management System
ISO 9001 : 2008
Certicate No.: QS-5519HH
Enviromental
Management System
ISO 14001 : 2004
Certicate No : 12 104 30334 TMS
Safety
Management System
BS OHSAS 18001 : 2007
Certicate No : 12 116 30334 TMS
03502767
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 specications subject to change without prior notice according to Carrier policy of continuous development.
INSTALLATION MANUAL
TABLE OF CONTENTS
PAGE NO.
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 WEIGHTS OF INDOOR UNIT 5
7. DIMENSIONS AND WEIGHTS 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 16
13.1 PREPARING UNIT BEFORE INSTALLATION 16
13.2 INSTALLATION STEPS 17
14. REMOTE CONTROL INSTALLATION 20
15. OUTDOOR UNIT INSTALLATION
15.1 PREPARING UNIT BEFORE INSTALLATION 22
15.2 INSTALLATION STEPS 22
16. CONNECTING REFRIGERANT PIPING LINES 23
17. CONNECTING CONDENSATE DRAIN LINE 38
18. CONNECTING ELECTRICAL WIRING 40
19. FINISHING INSTALLATION 45
20. TEST RUNNING 46
21. SUPPLY AIR CONTROL OF INDOOR UNIT 48
22. AFTER INSTALLATION CHECK LIST 49
23. SELF DIAGNOSTIC FUNCTION FOR MALFUNCTIONS DETECTION 51
1
1. GENERAL NOTES TO INSTALLER
CARRIER 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 during installation:
1. Standard screw driver 10. Flare tool set
2. Phillips head screw driver 11. Pipe bender
3. Hole core drill 12. Hexagonal wrench
4. Tape measure 13. Torque wrench
5. Water level 14. Vacuum pump
6. Pipe clamp 15. Gas leak detector
7. Pipe cutter 16. Manifold gauge
8. Spanner 17. Thermometer
9. Reamer 18. Electrical circuit tester
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
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 Carrier 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 Carrier 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 done through the owner.
Installation must be done by Carrier or one of Carrier authorized dealers.
7- Failure due to Service and Maintenance done through the owner.
Service and maintenance must be done by Carrier or one of Carrier authorized dealers.
8- Failure due to repair by using non-genuine Carrier Parts, or substituting other than Carrier
parts done through the owner. All repair works must be done by Carrier or one of Carrier
authorized dealers.
9- Product normal sound ( refrigerant – moving parts – plastic parts )
10- 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
3. SPLIT SYSTEM DESCRIPTION
1: Remote control signal receiver
2: Operating status leds 6: Supply air outlet of indoor unit
3: Supply air flap of indoor unit 7: Characteristics nameplate.
4: Air return to indoor unit 8: Refrigerant piping lines and electrical cables
5: Air filters inside indoor unit 9: Condensate drain line.
Indoor Unit
Outdoor Unit
3
8
7
2
5
4
6
1
9
4
4. MODELS
HEAT PUMP Cool only
System
Model
Indoor Unit
Model
Outdoor Unit
Model
System
Model
Indoor Unit
Model
Outdoor Unit
Model
53QPCT18H-708F 42QPCT18H-708F 38QPCT18H-708 53QPCT18C-708F 42QPCT18C-708F 38QPCT18C-708
53QPCT24H-708F 42QPCT24H-708F 38QPCT24H-708 53QPCT24C-708F 42QPCT24C-708F 38QPCT24C-708
NOTES :
53 = Split System
42 = Indoor Unit
38 = Outdoor Unit
QPC = xpression Series
T = High Ambient
18 = System Size
C = Cool Only
H = Heat Pump
7 = Nominal Power Supply 220-240V~ 50Hz 1Ph
0 = Wireless Remote Control
8 = Miraco – Carrier Mfg.
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
32
21
23
15
Indoor temperature
Maximum
Minimum
27
20
Outdoor temperature
Maximum
Minimum
52
21
Outdoor temperature
Maximum
Minimum
24
2
18
1
MAIN POWER SUPPLY
Nominal
220-240V~ 50Hz 1Ph
Min. Voltage 198
Max. Voltage 254
NOTES:
* When the system operates 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 completions of defrost cycle, the system will normally operate
5
860
665
665
350
384
575
371
350
6. DIMENSIONS AND WEIGHTS OF INDOOR UNIT
DIMENSIONS (mm)
Weight
Model Kg
42QPCT18 14
42QPCT24 14
7. DIMENSIONS AND WEIGHTS OF OUTDOOR UNIT
DIMENSIONS (mm)
Model
Mounting
Dimensions
(mm)
Unit
Dimensions
(mm)
Weight
A B C D E
38QPCT18 530 290 760 590 285 39.5
Weight
Model Kg
38QPCT24 58.7
Kg
1080
295
200
Mounting Plate
Main Body
Connection Tube
Drain Hose
Kg
Kg
B
A
E
D
C
6
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), (4)
and (5)
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
SR
OUTLET
LOCATION
1 Right Side
2 Right Bottom
3 Back Right
4 Left Side
5 Back Left
4
3
2
1
Dimensions (mm)
5
7
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
8
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.
9
SELECTING INSTALLATION LOCATION OF OUTOOR UNIT (Cont.)
CONSIDERATIONS FOR SELECTING INSTALLATION LOCATION (Cont.)
Select the installation location of outdoor unit which is able to support operating weight
of outdoor unit, and not cause vibration.
Select the installation location of outdoor unit which is far away from the direct
sunlight.
Select the installation location of outdoor unit which is far away from heat sources,
steam or flammable gas.
Select the installation location of outdoor unit which is free of dust or any material,
which can cause clogging of condenser coil. When installing unit on the ground, select
a location not subjected to flooding.
Avoid installation location which is full of oil vapors which may result in malfunction.
Avoid installation location which is full of sulfuric gas which may result in malfunction.
Select installation location where the operation noise and discharged air are not
disruptive to your neighbors.
When the installation is made on the rooftop or other places subject to strong wind :
When the outdoor unit is to be installed on the rooftop or at the places where there are no other
buildings around. it is required to avoid the strong wind from blowing directly into the air outlet of the
outdoor unit so as to prevent the negative impacts on cooling or heating performances due to
insufficient airflow of the outdoor unit heat exchanger and to prevent from faulty performances.
When there are walls in the vicinity, the air outlet
should face the wall and keep a space of 500mm
from the wall.
When the air outlet is affected by the strong wind,
the installation position should be changed so as
to make the air outlet at a straight angle from the
wind direction.
10
SELECTING INSTALLATION LOCATION OF OUTOOR UNIT (Cont.)
9.3 MINIMUM CLEARANCES WHEN SELECTING INSTALLATION LOCATION
FOR SINGLE OUTDOOR UNIT INSTALLATION
Obstacle at unit front ( air outlet )
Select installation location which allows the
minimum clearances shown in the figures for
free air circulation and easy accessibility for
service and maintenance :
The front of outdoor unit ( air outlet )
should be away from any obstacle by 500 mm or
more to ensure free air circulation.
The back of outdoor unit ( air inlet )
should be away from any obstacle by 160 mm or
more. This distance is built in the design of wall
support to ensure free air circulation.
The left side of outdoor unit
should by away from any obstacle by 400 mm or
more to ensure easy access to refrigerant and
electrical connections.
The right side of outdoor unit ( air inlet )
should be away from any obstacle by 250 mm or
more to ensure free air circulation.
The top side of outdoor unit
should be away from any obstacle by 400 mm or
more to ensure easy access to the electrical
components, motor and fan.
Obstacle at unit front ( air outlet ) &
Obstacle at unit back ( air inlet )
Obstacle at unit front ( air outlet ) &
Obstacle at unit top
Obstacle at unit back ( air inlet )
Obstacle at unit back ( air inlet ) &
Obstacle at unit top
Obstacle at unit back ( air inlet ) &
Obstacle at unit right and left sides
500 mm
or more
160 mm
or more
1000 mm
or more
400 mm
or more
1000 mm
or more
160 mm
or more
400mm
or more
160mm
or more
160 mm
or more
400 mm
or more
250 mm
or more
11
SELECTING INSTALLATION LOCATION OF OUTOOR UNIT (Cont.)
9.4 MINIMUM CLEARANCES WHEN SELECTING INSTALLATION LOCATION
FOR SERIAL INSTALLATION OF MORE THAN ONE OUTDOOR UNIT
Obstacle at unit front ( air outlet )
Select installation location which allows the
minimum clearances shown in the figures for
free air circulation and easy accessibility for
service and maintenance :
The front of outdoor unit ( air outlet )
should be away from any obstacle by 500 mm or
more to ensure free air circulation.
The back of outdoor unit ( air inlet )
should be away from any obstacle by 160 mm or
more. This distance is built in the design of wall
support to ensure free air circulation.
The left side of outdoor unit
should by away from any obstacle by 400 mm or
more to ensure easy access to refrigerant and
electrical connections.
The right side of outdoor unit ( air inlet )
should be away from any obstacle by 250 mm or
more to ensure free air circulation.
The top side of outdoor unit
should be away from any obstacle by 400 mm or
more to ensure easy access to the electrical
components, motor and fan.
Obstacle at unit front ( air outlet ) &
Obstacle at unit back ( air inlet )
Obstacle at unit back ( air inlet )
Obstacle at unit back ( air inlet ) &
Obstacle at right and left sides
1000 mm
or more
160 mm
or more
1000 mm
or more
400 mm
or more
400 mm
or more
160 mm
or more
400 mm
or more
400 mm
or more
400 mm
or more
400 mm
or more
400 mm
or more
250 mm
or more
160 mm
or more
12
10. INSTALLATION LOCATION CHECK LIST
(A) INDOOR UNIT
- The installation location is close to the outdoor unit
- The wall hole (required to pass refrigerant piping, electrical cables and drain line)
is properly made as per installation required.
- The installation location permit the unit to deliver air to all of the space
to be air-conditioned
- The installation location is far away from any sunlight
- The installation location is far away from any heat sources
- The installation location avoid obstructions, which affect motion of supply and/or
return air to the unit
- The installation location permit free service space around the unit right, left, front
back and top
(B) OUTDOOR UNIT
- The electrical power supply is close to the outdoor unit
- The installation location is close to the indoor unit
- The installation location is able to support operating weight of outdoor unit
- The installation location is far away from any sunlight
- The installation location is free of dust or any material,
which can cause clogging of outdoor coil
- The installation location allow sufficient space
for air circulation around the unit
- The installation location allow sufficient space
for service and maintenance around the unit
- The installation location is selected so that the operation
noise and discharge air do not disturb the neighbors
(C) REFRIGERANT PIPING LINES BETWEEN INDOOR AND OUTDOOR UNITS
- The excessive length of refrigerant piping lines is avoided
- The excessive height between indoor and outdoor units is avoided
- The excessive number of turns and bends in the refrigerant piping lines is avoided
13
11. INSTALLATION ACCESSORIES
11.1 STANDARD INSTALLATION ACCESSORIES SUPPLIED FROM THE FACTORY
DESCREPTION SHAPE QTY USE
Battery 1.5 volt size AAA
alkaline type
2 To operate the wireless remote control
Wireless remote control
1 To operate the air conditioner
Plastic holder for remote
1 To mount remote control on the wall
Owner manual
1 To illustrate control functions of operation
Installation Manual 1 To illustrate installation instructions.
Wall hang bracket
1 For indoor unit installation on the wall.
Self tapping screw 5 x L50
5 For wall hang bracket installation
Screws 4 x L10
2
For adjustment the gap between indoor
unit and wall.
Wall support for outdoor unit
( Only for domestic market )
1 To mount outdoor unit on the wall
Floor support for outdoor unit
( Only for domestic market )
1
To mount outdoor unit on the ground
or floor
Insulated refrigerant piping
lines with flare nuts of
lengths 3 meter
( Only for domestic market )
1
To connect refrigerant between outdoor
and indoor units and refrigerant piping
lines
11.2 STANDARD INSTALLATION ACCESSORIES SUPPLIED FROM THE FACTORY
( Only for Export markets )
DESCREPTION SHAPE QTY USE
Flare nuts ( 1/2” & 1/4" )
supplied with outdoor unit
38QPCT18
1 + 1
To be mounted on the refrigerant piping
lines before being connected to the
outdoor unit.
Flare nuts ( 5/8” & 1/4" )
supplied with outdoor unit
38QPCT24
1 + 1
To be mounted on the refrigerant piping
lines before being connected to the
outdoor unit.
Flare nuts ( 1/2” & 1/4" )
supplied with indoor unit
42QPCT18
1 + 1
To be mounted on the refrigerant piping
lines before being connected to the
indoor unit.
Flare nuts ( 5/8” & 1/4" )
supplied with indoor unit
42QPCT24
1 + 1
To be mounted on the refrigerant piping
lines before being connected to the
indoor unit .
14
INSTALLATION ACCESSORIES (Cont.)
11.3 OTHER INSTALLATION ACCESSORIES
Not supplied from the factory but must be used in the installation field to complete installation.
DESCREPTION USAGE
Electrical Connection
Cables
To electrically connect the indoor unit, the outdoor unit and circuit
breaker
ـ Wall Sleeve
ـ Wall Cap
ـ Sealer putty
To fill the gap between the wall hole and the lump of refrigerant piping
lines, electrical connection cables and condensate drain line.
ـ Finishing tape PVC film
To tie together the refrigerant piping lines, electrical connection cables
and condensate drain line.
ـ Vinyl tape
To stick pipe insulation.
ـ Drain hose ID 16-17mm
To remove condensate water, from the indoor unit to the outside.
ـ Refrigerant piping lines
To connect refrigerant R22 between indoor and outdoor units
ـ Pipe insulation
To insulate gas and liquid refrigerant piping lines
- Refrigerant R22
To adjust refrigerant charge for long refrigerant piping lines
(more than 3 meter)
- Clamps or saddles
To secure the lump of refrigerant piping lines, electrical cables and
condensate drain line
15
12. INSTALLATION CHART
1) Installing outdoor unit
5) Connecting refrigerant
piping lines
9) Air purging with
a vacuum pump
2) Drilling hole thru the
wall
6) Connecting condensate
drain line
10) Refrigerant leak test
3) Installing indoor unit
7) Connecting electrical
wiring
11) Opening service valves
4) Pipes flaring
8) Finishing outer pipe
covering
12) Finishing installation
13) Test Running
14) Description of operation
Outdoor
unit
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