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

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ON/OFF button ........................................................................................................................
Press this button and the COOL (AUTO for Heat Pump Model) operation is indicated.
•A receiving beep is heard.
•The green UNIT ON lamp of the indoor unit display illuminates.
MODE button...........................................................................................................................
Press this button to select the desired operation.
COOL FAN DRY (For Cooling Only Model)
FAN SPEED button .................................................................................................................
Press this button to select the desired fan speed.
AUTO LOW MED HIGH
TEMP.( ) button ...............................................................................................................
Press these buttons to set the desired temperature.
FLAP button .............................................................................................................................
Press this button to control the desired air flow direction.
ON/OFF button ........................................................................................................................
Press this button to stop the unit operation.
•A receiving beep is heard.
•The UNIT ON lamp is extinguished.
GENERAL OPERATION
1
6
2
4
3
5
ON/OFF
TEMP
. Ł
SLEEP
Ł
MODE FAN FLAP
CLOCK EVERYDAY HOUR MINUTE
RESERVE.
RST TA
TIMER
ON
ON
OFF
OFF
CANCEL
A
UNIT OPERATION
•Dry operation eliminates moisture economically by operating the compressor,
indoor and outdoor fan motor intermittently, so that the room temperature
is maintained at the set temperature.
NOTE
9
PROCEDURE

UNIT OPERATION
Automatic operation means that the air conditioner operates automatically by selecting the COOL or HEAT mode and automatically changes the fan speed
according to the indoor condition to keep the room temperature comfortable.
1
6
2
3
5
4
1
2
3
4
5
6
ON/OFF button .....................................................................................................................................................
Press this button and the unit startsAUTO operation.
MODE button........................................................................................................................................................
If the unit is operating in another mode, press the MODE botton to selectAuto.
AUTO DRY COOL FAN HEAT (For Heat Pump Model)
TEMP.( ) button ............................................................................................................................................
Set the desired temperature using the remote control buttons. At the start of theAUTO operation,
the temperature is set at 25°c and it is functional with in the total temperature range.
FLAP button ..........................................................................................................................................................
Press this button to control the desired air flow direction.
FAN button ............................................................................................................................................................
Set the desired fan speed. At start up, fan speed is set toAUTO.
ON/OFF button .....................................................................................................................................................
Press this button again to stop operation.
•When the room temperature is between 21°c ~ 29°c.
- If the room temperature is lower 1°c or more than the set temperature : HEAT mode will be operated.
- If the room temperature is higher1°c or more than the set temperature : COOL mode will be operated.
•When the room temperature is lower than 21°c or higher than 29°c, the operation mode is restricted
regardless of the set temperature.
- If the room temperature is lower than 21°c then only the heating mode is allowed.
- If the room temperature is higher than 29°c then only the cooling mode is allowed.
•TheAuto operation is not suitable for the application to the computer room or some food/wine stock storage.
NOTE
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AUTOMATIC OPERATION (For Heat Pump Model)
PROCEDURE

1
2
3
4
ON TIMER button ............................................................................
Press this button.
At start up, time is set at 6:00 A.M..
HOUR, MINUTE buttons ................................................................
Press these buttons to set the start-up time
desired while the ON Timer symbol is flashing.
RESERV. button ...............................................................................
Press this button by pointing the remote control towards
the receiver of the indoor unit.
•A receiving beep is heard.
•TIMER lamp of the indoor unit illuminates.
MODE, FAN, FLAP, and TEMP. buttons......................................
Set the desired operation mode with these buttons.
•When the ON Timer is set, the unit monitors the room temperature
for 1hour before the set time to make sure the room condition
is reached by the reserve a time.
•The actual on time of the unit is earlier than the reserved on time
by 0 to 40 minutes according to the difference between room
temperature and set temperature.
1
2
3
OFF TIMER button ................................................................................
Press this button.
At start up, the time is set at 2:00 A.M..
HOUR, MINUTE buttons ......................................................................
Press these buttons to set the stop time desired
while the OFF Timer symbol is flashing.
RESERV. button .....................................................................................
Press this button by pointing the remote control towards
the receiver of the indoor unit.
•A receiving beep is heard.
•TIMER lamp of the indoor unit illuminates.
•The current time is not indicated during the reservation of ON/OFF Timer.
•When you want to know the current time, press the CLOCK button and
you will see the current time for 5 seconds.
•If you reserve the ON Timer during operation, the unit will be operated continuously.
UNIT OPERATION
NOTE
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TIMER OPERATION
ON Timer PROCEDURE OFF Timer PROCEDURE
About ON Timer

햲
햳
햴
햳
햲
1
2
1
2
UNIT OPERATION
햳
햲
For example, when you want the operation to start at 5:30
P.M. and stop at 10:30 P.M..
Reserve the ON Timer at 5:30 P.M..
Reserve the OFF Timer at 10:30 P.M..
When you want to stop the operation at 10:30 P.M.
and start again at 7:30A.M. with the same condition.
Reserve the OFF Timer at 10:30 P.M. during operation.
Reserve the ON Timer at 7:30A.M..
When you want to start operation at 5:30 P.M. and stop at
10:30 P.M. everyday with the same operating condition.
Reserve the ON Timer at 5:30 P.M..
Reserve the OFF Timer at 10:30 P.M..
Press the EVERYDAY button and RESERV. button.
PROCEDURE .................................................................................
1
2
3
•In the ON and OFF Timer operation, the earlier setting compared to the current time will be applied first.
•The EVERYDAY Timer can be selected in case of a combination of the ON and OFF Timer reservation or ON and SLEEP Timer reservation.
•You can change the ON/OFF reservation time during the EVERYDAY Timer reservation.
•If you cancel the ON Timer or OFF Timer reservation while EVERYDAY Timer is reserved, EVERYDAY Timer will be automatically canceled.
•When the electricity fails while EVERYDAY Timer is reserved, EVERYDAY Timer reservation will be canceled.
Reserve the EVERYDAY Timer again after the electricity comes on.
•The current time will not be indicated and the TIMER lamp of the indoor unit will be on if either the ON Timer or the OFF Timer is reserved.
NOTE
Press the ON TIMER button to cancel the ON Timer
or press OFF TIMER button to cancel the OFFTimer.
To cancel the EVERYDAY Timer reservation, press
the EVERYDAY, ON TIMER or OFF TIMER button.
Press the CANCEL button by pointing the remote
control towards the receiver of the indoor unit.
•A receiving beep is heard.
•TIMER lamp of the indoor unit lights off.
1
2
CANCELLATION ....................................................................
12
Combination of ON, OFF and EVERYDAY Timer

SLEEP
A
A
TEMP.
ON/OFF
If you want to stop the operation after 3 hours from now,
Press the SLEEP button 3 times, 3:hr will be displayed and the signal
will be flashing.
After 5 seconds, the stopping time will be displayed.
The unit operates in sleep mode for 3 hours and will switch off at
the end of the 3 hours.
To change the reserved time or to cancel, press the SLEEP Button again.
1:hr 2:hr 3:hr 7:hr 9:hr Cancel
This function enables the user to automatically switch off the unit. PROCEDURE ............................................................................................................................
SLEEP
SLEEP
SLEEP
•When the SLEEP timer is set, the luminosity of the unit lamps will be dimmed
so as not to interrupt sleep.
•The SLEEP timer can be combined with the ON timer.
NOTE
UNIT OPERATION
1
2
3
4
13
Sleep Timer
1

UNIT OPERATION
The air discharge direction can be controlled to swing up and down and can be fixed at a preferred position or at automatic position by the remote control.
•If you select the flap position using the FLAP button in the remote control, the flap in the unit
will move to that position automatically.
Once you select the position, the unit remembers that position and whenever you turn on
the unit, the flap will be positioned to that position.
•If you select SWING, the flap will swing up and down. In the COOL, DRY and FAN mode,
the flap will swing in the cool range. In the HEAT mode, the flap will swing in the heat range.
•If you selectAUTO, the flap will position itself to the preset position according to the operation mode.
CLOSE
Remote Control Auto Position
Swing Range
If you want to adjust the direction of the discharge air left or right, adjust the vertical louver with
the handle after opening the flap.
COOL
HEAT
COOL
HEAT
•Always use the remote control to adjust the flap position,
otherwise it may cause abnormal operation.
Please turn off the unit and turn it on again when you
manually adjust the flap out of range.
NOTE
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DISCHARGE AIR LOUVER CONTROL
Up and Down Control
14
Left and Right Control
•Please do not fix the flap at position 햷for a long time, because this position minimizes air circulation resulting in uneven room temperature.
•Do not adjust the flap by the hand during SWING operation because it may damage the air swing mechanism.
•If you want maximum cooling or heating capacity, please set flap at position 햴.
NOTE
HANDLE
AUTO
SWING

UNIT OPERATION
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AIR CLEANING OPERATION
Information for filters
•Filters Air filters
Option 1 : Electrostatic +Active carbon filter
Option 2 : Electrostatic + Photo-catalyst filter
•Air filters eliminate dust and lint
•Optional Electrostatic filter/Photo-catalyst filter effectively eliminates microscopic dust and cigarette smoke in the room air.
•Optional Electrostatic filter/Active carbon filter is particularly effective in eliminating odor and microscopic dust.
Standard
Air Filter
Ele trostati Filter
(White, Optional)
+
Photo-Catalyst Filter
(Blue, Optional)
Ele trostati Filter
(White, Optional)
+
A tive Carbon Filter
(Bla k, Optional)
•The life of above filters varies according to the amount of cigarette smoke, room size and the operating time.
•Air filters can be cleaned with a vacuum cleaner or rinsed under running water after using a month.
•The life time of optionalActive carbon filter is about 2 years and that of optional Electrostatic filter is about 3 months.Active carbon filter can be washed using neutral
detergent, rinsed water and exposed under direct sunlight.
•The life time of optional Photo-catalyst filter is about 2 years. This filter can be washed under running water and can be refreshed by exposing under direct sunlight.
Exposed time is 6 hours after using 3 months.
Life time of filters

•If the operating mode changes from COOL and DRY to HEAT, there will be
3 minutes~5 minutes 15 sec time delay between compressor turning off
and turning on including starting the heat operation.
•If the operating mode changes from Heat to Cool and Dry, there will be
3 minutes~3 minutes 15 sec time delay .
•When heating operation starts, hot air delivery might be delayed due to
a warm up period.
•In normal operation, there is a minimum operation time of 3 minutes between
compressor turning on and turning off.
•In the heating mode, when the outdoor coil is frosted, the indoor fan and
outdoor fan will turn off while the compressor will turn on to remove the frost
on the outdoor coil.
•The defrost mode stops after 5 minutes 20 sec or 9 minutes 40 sec according
to outdoor coil status or when compressor operates according to preset condition.
•When the power is off, the defrost operation is automatically conducted to
eliminate frost accumulation on the outdoor coil.
CARE AND MAINTENANCE
When the unit is operates at a low ambient temperature, frost may appear on
the indoor coil. When the indoor coil temperature is below 0°c, the microcom-
puter makes the compressor stop to protect the unit from frost.
Any of the following can occur during normal operation:
•A sound like a “GURGLE”can sometimes be heard during operation or
when the unit stops.
- It is the sound of the refrigerant flowing through the unit.
•Bad smells can come from the unit.
- Smells such as smoke or cosmetics can accumulate while room air
circulates through the unit.
- Cleaning the filters will reduce this problem.
•UNIT ON lamp on the indoor unit displays flashes and no air comes from the unit.
- It indicates malfunction of the unit and the compressor will stop operating.
•A “BAK-BAK”sounding noise can sometimes be heard during operation or
when the unit turns on.
- It is the sound of plastic expanding due to an abrupt temperature change.
•Temperature ranges suitable for
unit operation are as follows.
•When the unit operates above or below these conditions for a long time,
system diagnostics may detect a malfunction and the unit will not operate properly.
•If the unit operates for a long time under abnormal situation of extremely high
humidity, condensed water may drip from the unit.
•When the electricity fails while the unit is operating, the unit memorizes the
operating condition, and it will start operation automatically when the
electricity is restored.
•When you leave home during an electricity failure, please unplug the power
cord, or the unit will automatically restart in your absence.
•This function is field selectable by pressing the ‘EMER’button upto field
requirements. Default from the factory is to have this function but it can be
selected as follows.
In order to cancel it, press ‘EMER’(EMERGENCY) button for more than 10 consecutive
seconds, then the buzzer beeps once and this function is set not to work.
In order to recover it, press ‘EMER’(EMERGENCY) button for more than 10 consecutive
seconds again, then the buzzer beeps once and this function is set to work.
Auto recovery Operation (Field selection)
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POINTS TO NOTE
16
Operating Condition
MODE INDOOR OUTDOOR
COOL 21 ~ 32
° 21 ~ 46 °
HEAT Below 27
° Below 21 °
DRY 17 ~ 32
° 12 ~ 46 °
Time Delay
inimum Operation Time
Defrost Operation (For Heat Pump odel)
Frost Prevention of Indoor Unit
Normal Operation

Lift the front panel and pull the air filters
downward.
Clean the filters with a vacuum cleaner.
Rinse the filters under running water,
dry completely. and refit correctly into
their guides.
•Turn off the unit and pull out the power plug before cleaning.
•Clean the air filters once a month.
NOTE
17
CARE AND MAINTENANCE
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CLEANING THE FILTERS AND FRONT PANEL
Cleaning the Air Filter
1
2
3
Refreshing the optional Photo-catalyst filter
1
2
3
Liftthefront panel andpullthe optional Photo-
catalyst filter downward.
Blow off the dust from the filter with fresh air
or wash the filter under running water.
Expose under direct sun light for 6 hours and
refit correctly into its guide.

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•Use only a damp soapy towel.
CARE AND MAINTENANCE
18
•Turn off the unit and pull out the power plug before washing.
•Clean the front panel if it becomes dirty and spotted.
•Front panel is removable.
NOTE
Washing the Front Panel
1
2
3
Lift the front panel up to the top of the
unit and separate it from the unit.
Rinse the panel under running water
and dry completely in a shaded area.
Refit it correctly. Installation procedure
is reverse to the removal procedure.
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CLEANING THE MAIN UNIT
•When cleaning the unit, first turn it off and pull out the power plug.
NOTE
AFTER-SEASON CARE
1
2
Clean the filters and refit them into the unit.
If the unit is to be switched off for an extended
period, run the unit on FAN only for two hours
to dry inside of the unit.