Carrier P5 Series Service manual

- 42XPL030C3P/38XPL030C3
- 42XPL030H3P/38XPL030H3
- 42XPL036C3P/38XPL036C3
- 42XPL036H3P/38XPL036H3

Thank you for selecting Carrier!
You can be justifiably proud of your purchase because the same pride
in craftsmanship and engineering know-how that goes into Carrier equip-
ment for cooling the Astrodome sports complex in Texas, the United
States Capitol’s Halls of Congress and countless other installations world-
wide have been built into your unit.
One of the pleasant benefits awaiting you with room air conditioning is
that in addition to being cooled, the room air is filtered and dehumidified.
This manual is designed to help you be familiar with the many comforts
and technological features your unit offers.
Moreover, it contains vital information about maintenance, service and
economical operation. Take the next few minutes to discover for yourself
how to get the most in personal comfort and economical operation from
your new Carrier room air conditioner.

Thank you for selecting Carrier!
You can be justifiably proud of your purchase because the same pride
in craftsmanship and engineering know-how that goes into Carrier equip-
ment for cooling the Astrodome sports complex in Texas, the United
States Capitol’s Halls of Congress and countless other installations world-
wide have been built into your unit.
One of the pleasant benefits awaiting you with room air conditioning is
that in addition to being cooled, the room air is filtered and dehumidified.
This manual is designed to help you be familiar with the many comforts
and technological features your unit offers.
Moreover, it contains vital information about maintenance, service and
economical operation. Take the next few minutes to discover for yourself
how to get the most in personal comfort and economical operation from
your new Carrier room air conditioner.
PRECAUTIONS 2
BEFORE OPERATION 5
UNIT OPERATION 9
GENERAL OPERATION
AUTOMATIC OPERATION(For Heat Pump Model)
TIMER OPERATION
COMBINATION OF ON, OFF AND DAILY TIMER
SLEEP TIMER
DISCHARGE AIR LOUVER CONTROL
AIR CLEANING OPERATION
CARE AND MAINTENANCE 17
POINTS TO NOTE
CLEANING THE FILTERS AND FRONT PANEL
CLEANING THE MAIN UNIT
AFTER-SEASON CARE
INSTALLATION TIPS 22
INDOOR UNIT INSTALLATION 23
INSTALLING THE WALL HANG BRACKET
MAKING THE WALL PENETRATION FOR THE INTERCONNECTING PIPING
INDOOR UNIT WIRING
FORMING THE DRAIN HOSE AND REFRIGERANT PIPING
INSTALLING THE INDOOR UNIT BODY TO THE WALL HANG BRACKET
CONNECTING THE PIPING 28
CONNECTING PIPE TO THE INDOOR UNIT
CONNECTING THE INTERCONNECTING PIPE TO THE OUTDOOR UNIT VALVE
AIR PURGE 29
USING THE VACUUM PUMP
GAS LEAK CHECK 30
FINISHING 30
OUTDOOR UNIT WIRING 31
ELECTRICAL CONNECTION 32
CONNECTING THE POWER SUPPLY 32
TEST RUNNING 33
HIGH PRESSURE CONTROL 33
CONFIGURATION 34
PUMP DOWN 35
TROUBLESHOOTING 36
OWNER’S MANUAL
INSTALLATION MANUAL
STANDARD INSTALLATION ACCESSORIES 20
CHOOSING THE UNIT LOCATION 21
INDOOR UNIT
OUTDOOR UNIT
CONTENTS

2
PRECAUTIONS
SAFETY CONSIDERATIONS
•Do not install by connecting them to other indoor or outdoor units without
consulting a Carrier or other competent air conditioning engineers.
Mismatching of the units and incompatibility between control devices in
the two units could lead to damage of both unit and voiding of the Carrier
warranty.
Carrier declines any responsibility, and warranty shall be void if these
installation instructions are not observed or if change are made to the
electrical connections.Contact your Carrier distributor if you need futher
help.
•Before performing service or maintenance operations on the system, turn
off the main power switches and breaker of the unit. Electric shock may
cause personal injury. “If the supply cord is damaged. It must be replaced
with a same size BS approved cord or contact Carrier distributor to
arrange for replacement.”
WARNING
TO DISCONNECT THE APPLIANCE FROM THE MAIN SUPPLY.
This appliance must be connected to the main by means of a circuit
breaker or a switch with a contact separation of at least 3 min.
Check that all current national safety code requirements have been fol-
lowed for the installaltion. In particular ensure that a properly sized and
connected ground wire is in place.
CAUTION
Do not switch off the split system by disconnecting the electric power
supply. The unit must always be switched off using the remote control.
WARNING
Installation and servicing of air conditioning equipment can be hazardous due to
system pressure and electric components. Only trained and qualified service per-
sonnel should install, repair or service air conditioning equipment.
Untrained personnel can perform basic maintenance functions of cleaning coils
and filters, and replacing filters. And untrained personnel don’t include children
and persons who with reduced physical sensory or mental capabilities, or lack
of experience and knowledge. They should have been given supervision or
instruction concerning use of the appliance by person responsible for their safety.
All other operations should be performed by trained service personnel. When
working on air conditioning equipment, observe precautions in the literature, tags
and labels attached to the unit and other safety precautions that may apply.
Follow all safety codes. Wear glasses and work gloves. Use a quenching cloth for
brazing and detaching brazed connections. Have a fire extinguisher available for
all brazing operations.
Check that the impedance of the mains power supply is inconformance
with the unit power input indicated in the electric data table, on page 32.
WARNING
The mains supply must be connected to the outdoor unit.
CAUTION
2

3
Do not use flammable sprays near the unit.
The unit can be damaged by gasoline,
benzene, thinner,
insecticide and other chemical agents.
To avoid the risk of serious electric shock,
never splash the indoor and the outdoor
unit with water.
Do not put hands or objects into
the discharge grille of outdoor unit.
This unit has a fan running at high speed.
It is very dangerous to touch the fan.
Use only fuses of the proper amperage.
PRECAUTIONS
WARNING
Keep heat sources away from the unit,
high temperature can cause damage.
Do not use circuit breaker as a means
of turning off the unit.
The unit must always be switched off
using remote control.
Use the correct voltage.
Using voltage other than specified will
damage the unit.
Do not obstruct the front of the discharge
grille of both units.
This will block air flow, reduce the cooling
effect and may result in unit malfunction.
In summer, if possible, prevent direct
sunlight from entering the room;
draw curtains or blinds.

4
PRECAUTIONS
Standard Safety Instructions for Air-Conditioning Units
The air conditioner is not intended for use by young
children or special needs persons without supervision
by a person that is responsible for their safety.
Wiring connections must be secured tightly and the
cable should be routed properly to avoid the risk
Do not place the power cord near the heater
Do not touch the unit with a wet hand , there is a risk of
Electric Shock
Two or more people should lift and transport the product
and use proper Safety precautions while lifting the
product to avoid personal injury.
Young children should be supervised to ensure that they
do not play with the air conditioner.
Don’t use a damaged power cord , or loose socket as it
may cause fire or electrical shock
Install the panel and cover the control box securely
Do not place anything on the power cable , there is a
risk of fire and Electric shock
Always check for gas leakage after installation or repair
of product

4
PRECAUTIONS
Do not obstruct the front of the discharge
grille of both units.
This will block air flow, reduce the cooling
effect and may result in unit malfunction.
Keep heat sources away from the unit,
high temperature can cause damage.
In summer, if possible, prevent direct
sunlight from entering the room;
draw curtains or blinds.
Use the correct voltage.
Using voltage other than specified will
damage the unit.
Do not use circuit breaker as a means
of turning off the unit.
The unit must always be switched off
using remote control.
WARNING
5
Emergency Operation
BEFORE OPERATION
Ioniser(Left) light : illuminated during Ioniser activated.
Power(Right) light : illuminated during operation.
Timer(Middle) light : illuminated during timer mode.
EMER. button
When the remote control is lost, damaged or the battery is discharged, the EMER. button can be used to run the unit.
•Press the EMER. button once briefly at the off mode condition shorter than for 5 sec.
- According to the room temperature, the unit operates the Cool mode in cool only model and the Auto mode
in Heat pump model.
•If you want to stop the emergency operation, push the EMER. button again or operate the remote control.
•The setting conditions of emergency operation are as follows:
Indoor Unit Display
•EMER. button :
Can be used when the remote
control is lost or inoperative.
EMER.
button
Test Operation
This operation is used for checking after unit installation.
•Press the EMER. button continuously during 5~10sec. And then unit will be
operated as test mode.
•Press the EMER. button once more after checking to activate the remote
control. If there is any input signal ( remote control signal or EMER. button
press ) during test operation, the TEST mode will change to the input
signal mode.
•The setting conditions of the test operation are as follows:
-Operation mode : COOL - Fan speed : HIGH
- Timer mode : Disable - Discharge air direction : SWING
Cooling
only
Heat
Pump
ModelOperation Preset modeFan speedTimer mode Discharge air direction
temperature
COOL 24°CAUTO DisableHorizontal
AUTO 25°CAUTO DisablePreset location according
to ‘Cool’ or ‘Heat’ mode

6
Setting Current Time and Reset
BEFORE OPERATION
Replacing Batteries
•Changing batteries should be done after turning off the unit.
NOTE
4
For this setting always use either button or .
With the remote control On or OFF, press button for more than
5 seconds
Once the current time is set, press button to confirm it.
5
The current hour figure flashes.Press either button or to
set the current hour. Press button to move to minutes and
set them.
Press reset button with a sharp object if the remote control is not
operating properly or after replacing the batteries.
3
1
Remove the cover of the battery compartment at the back
of the remote control by sliding it out in the direction of the arrow.
Remove the used batteries and insert new batteries. The remote
control uses two batteries.(1.5V(L)R03x2)
26
7

7
When two units are used in the same room, you can match the address of
the remote control to that of the unit.
Refer the page 35.
BEFORE OPERATION
Matching Address betweenIndoor Unit and Remote Control
•This function must only be performed by qualified service personnel.
NOTE
Signal Receiving
Use the remote control where its signals can reach the receiver of the air
conditioner. (A distance of 5m is allowed)
•You can hear a beep from the unitwhich indicates that the signal is received.
5m maximum
Indoor Unit
Remote control
•The air conditioner will not operate if curtained, doors or other
materials block the signals from the remote control to the unit.
•If the infrared signal receiver on the unit is exposed to direct sunlight, the air
conditioner may not work properly. Draw the curtains to avoid direct sunlight.
CAUTION
•A mounting bracket for the remote control is supplied with the unit.
Install the mounting bracket on the wall where the remote signal
can be easily received from the remote.
Refer the page 34.
•If the room using the air conditioner has florescent lighting with
electronic starter, signals may not be properly received. If you are
planning to use such fluorescent lamps, consult your local dealer.

8
BEFORE OPERATION
Remote Control Display
3
5
7
8
9
11
17
13
15 16 14
1
2
4
6
10
12
1. Operating mode (from left to right):
• Ventilation (fan only)
• Heating (heat pump models only)
•Automatic (heat pump models only)
• Cooling and dehumidification
• Dehumidification only
2. Signal transmission symbol
3. Temperature selected
4. Address selector
5. Temperature unit of measurement (°C or °F)
6. Unit configuration
7. Batteries exhausted indicator
8. Vertical louver swing indicator
9. Louvre positioning (Flap)
10.Fan speed
11. Turbo mode
12.ON timer selected
13.Night timer active
14.DAILY timer active (Everyday)
15.ON timer, OFF timer and current time
16.OFF timer selected
17.Ioniser active