Carrier p3 series Service manual

A

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
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GENERAL OPERATION
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AUTOMATIC OPERATION(For Heat Pump Model)
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TIMER OPERATION
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COMBINATION OF ON, OFFAND EVERYDAY TIMER
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SLEEP TIMER
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DISCHARGE AIR LOUVER CONTROL
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AIR CLEANING OPERATION
CARE AND MAINTENANCE 16
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POINTS TO NOTE
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CLEANING THE FILTERS AND FRONT PANEL
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CLEANING THE MAIN UNIT
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AFTER-SEASON CARE
INSTALLATION TIPS 21
INDOOR UNIT INSTALLATION 22
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INSTALLING THE WALL HANG BRACKET
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MAKING THE WALL PENETRATION FOR THE INTERCONNECTING PIPING
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INDOOR UNIT WIRING
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FORMING THE DRAIN HOSEAND REFRIGERANT PIPING
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INSTALLING THE INDOOR UNIT BODY TO THE WALL HANG BRACKET
CONNECTING THE PIPING 27
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CONNECTING PIPE TO THE INDOOR UNIT
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CONNECTING THE INTERCONNECTING PIPE TO THE OUTDOOR UNIT VALVE
AIR PURGE 28
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USING THE VACUUM PUMP
GAS LEAK CHECK 29
FINISHING 29
OUTDOOR UNIT WIRING 30
ELECTRICAL CONNECTION 31
CONNECTING THE POWER SUPPLY 31
TEST RUNNING 32
AUTO RECOVERY OPERATION - FIELD SELECTION 32
PUMP DOWN 33
ADDRESS SWITCHES 33
TROUBLESHOOTING 34
OWNER’S MANUAL
CONTENTS
INSTALLATION MANUAL
Chargeless
•No additional refrigerant required (refer page. 35)
NOTE
STANDARD INSTALLATION ACCESSORIES 19
CHOOSING THE UNIT LOCATION 20
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INDOOR UNIT
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OUTDOOR UNIT

PRECAUTIONS
Installation and servicing of air conditioning equipment can be hazardous due to system pressure and electric components. Only trained and qualified service
personnel should install, repair or service air conditioning equipment.
Untrained personnel can perform basic maintenance functions of cleaning coils and filters, and replacing filters.
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.
•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, contact Carrier distributor to arrange for replacement.”
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.
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.
If this is not possible, a power supply plug with earth must be used. This plug must be easily accessible after installation. The plug must be disconnected from
the power supply socket in order to disconnect the appliance completely from the main. The appliance must be positioned so that the plug is accessible.
Check that all current national safety code requirements have been followed for the installaltion. In particular ensure that a properly sized and connected
ground wire is in place.
CAUTION
2
SAFETY CONSIDERATIONS

Do not use flammable sprays near the unit.
The unit can be damaged by gasoline,
benzene, thinner, insecticide and other
chemical agents.
When unplugging the power plug,
do not pull by the power cord.
The power cord will get damaged
and it can cause electric shock.
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.
Check the power plug.
If the power plug is not inserted tightly, or
if there is any damage to the power cord,
it could result in leakage or electric shock.
Use only fuses of the proper amperage.
PRECAUTIONS
WARNING
3

PRECAUTIONS
4
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 the power cord as a means
of turning off the unit.
WARNING

Test Operation
Emergency Operation
BEFORE OPERATION
•UNIT ON(Green): When the unit is switched on by the remote control,
a green light will be displayed.
•TIMER(Orange) : When the unit is in reservation mode,
an orange light will be displayed.
• EMER. button :
Can be used when the remote
control is lost or inoperative.
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 theAuto 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:
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
Indoor Unit Display
UNIT ON TIMER
EMER.
Cooling
only
Heat
Pump
Model Operation Preset mode Fan speed Timer mode Discharge air direction
temperature
COOL 24°C AUTO Disable Horizontal
AUTO 25°C AUTO Disable Preset location according
to ‘Cool’or ‘Heat’mode
5

Setting Current Time
BEFORE OPERATION
4 5 6
Press the TA button with a sharp object and
the current time indication symbol flashes.
In the beginning, 6:00A.M. will flash.
Set the current time with the hour and the
minute buttons while the current time
indication flashes.
Press the TA button again.
The flashing will stop and the current time
will be set.
•Changing batteries should be done after turning off the unit.
•When the air conditioner does not operate normally after replacing the batteries, remove the batteries, refit and repress the RST button after 5 seconds.
NOTE
RESERV . CANCEL
RESERV. CANCEL
6
Replacing Batteries
1 2 3
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)
Press the RST button with a sharp object
to reset the remote control before closing
the cover of the battery compartment.
RESERV. 
TA
OFF

When two units are used in the same room, you can match the address of
the remote control to that of the unit.
Turn off the unit and pull out the power plug. Remove the insert grille and
terminal block cover.
Assign the address switch of one indoor unit as B.
Remove the lid of the battery case.Assign the address switch of one
remote control as B.
Press the RST button with a sharp object.
•A mounting bracket for the remote control is
supplied with the unit. Install the mounting bracket
on the wall 30cm below the receiver of the unit.
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 unit which indicates that the signal is received. 5m maximum
•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
7
BEFORE OPERATION
atching Address between Indoor Unit and Remote Control
Signal Receiving
Indoor Unit
Remote control
•This function must only be performed by qualified service personnel.
NOTE

BEFORE OPERATION
1
2
3
4
5
Lightsupwhenthesignalfromtheremotecontrolistransmitted.
A receiving beep is heard from the unit.
Lights up when the batteries must be replaced with new ones.
When this mark appears, replace the batteries within a week.
Lights up when the unit is operating.
Indicates the selected temperature.
6
7
8
9
For Cooling Only odel
Indicates flap modes
Indicates the reserved status of SLEEP timer or
EVERYDAY timer.
Indicates the reservation time of ON timer and
OFF timer or the current time.
Indicates the selected fan speed.
8
Remote Control Display
햲
햳
햴
햷
햸
햺
햶
햹
햵
A
SWING
Indicates the selected
operating mode.
COOL DRY FAN
Automatic position
User selected position
Swing up and down
AUTO
SWING
AUTO LOW MED HIGH
A
1
2
3
4
5
Lightsupwhenthesignalfromtheremotecontrolistransmitted.
A receiving beep is heard from the unit.
Lights up when the batteries must be replaced with new ones.
When this mark appears, replace the batteries within a week.
Lights up when the unit is operating.
Indicates the selected temperature.
6
7
8
9
For Heat Pump odel
Indicates flap modes
Indicates the reserved status of SLEEP timer or
EVERYDAY timer.
Indicates the reservation time of ON timer and
OFF timer or the current time.
Indicates the selected fan speed.
Indicates the selected
operating mode. Automatic position
User selected position
Swing up and down
AUTO
SWING
AUTO LOW MED HIGH
A
햲
햳
햴
햷
햸
햺
햶
햹
햵
A
SWING
A
COOL DRY FAN
A
HEAT
AUTOMATIC CHANGEOVER