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July 2007 MS-SVU0013-EN

Owner Manual

NEW STYLUS TM

Split System, 1-5 TonsConvertible TypeMCX Series 50/60 Hz

50 Hz ModelsCooling OnlyMCX 512 GBMCX 518 GBMCX 524 GBMCX 530 GBMCX 536 GBMCX 042 GBMCX 048 GBMCX 060 GB

60 Hz ModelsCooling OnlyMCX 512 G1MCX 518 G1MCX 524 G1MCX 530 G1MCX 536 G1MCX 042 G1MCX 048 G1MCX 060 G1

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MS-SVU0013-EN© American Standard Inc. 2005

General InformationCongratulations on your choice of aTrane mini-split system. Thesesystems have been carefullydesigned and manufactured understrict Trane Worldwide QualityStandards to provide you with yearsof comfortable, convenient coolingor heating/cooling with a minimumof service.

This Owner Manual is given as aguide to start-up, operation andperiodic maintenance by the user ofMCX split system. It does not containthe full service procedures necessaryfor the continued successfuloperation of this equipment. Theservices of a qualified servicetechnician should be employed,through the maintenance contractwith a reputable service company.

Read it completely before doinganything with your air conditioningsystem.

About this ManualCautions appear at appropriateplaces in this Instruction Manual.Your personal safety and the properoperation of this machine requirethat you follow them carefully.The Trane Company assumes noliability for the inappropriate usageof the unit.

General Information

About the UnitThese MCX units are assembled,pressure tested, dehydrated,charged and run tested beforeshipment.The information contained in thismanual applies to MCX units aredesigned to operate in cooling modeonly and in cooling or heatingmodes.

Trane MCX series of mini-splitsystems offer three styles ofinstallation: floor, low wall and underceiling with both LCD wirelessremote control or wired control.Trane MCX series provide flexibilityand savings.Note: For model MCX 042, MCX 048and MCX 060, there are only twostyles of installation: under ceilingand low wall.

ReceptionOn arrival, inspect the unit beforesigning the delivery note. Specify anydamage of the unit on the deliverynote, and send a registered letter ofprotest to the last carrier of thegoods within 72 hours of delivery.Notify the dealer at the same time.

The unit should be totally inspectedwithin 7 days of delivery. If anyconcealed damage is discovered,send a registered letter of protest tothe carrier within 7 days of deliveryand notify the dealer.

WarningWarnings are provided atappropriate places in this manual toindicate to installers, operators andservice personnel of potentiallyhazardous situations which, if notavoided, COULD result in death orserious injury.

CautionCautions are provided at appropriateplaces in this manual to indicate toinstallers, operators, and servicepersonnel of potentially hazardoussituations which, if not avoided, MAYresult in minor or moderate injury ormalfunction of the unit.

WarrantyWarranty is based on the generalterms and conditions by country. Thewarranty is void if the equipment ismodified or repaired without thewritten approval of The TraneCompany, if the operating limits areexceeded or if the control system orthe electrical wiring is modified.

Damage due to misusage, lack ofmaintenance or failure to complywith the manufacturer’s instructions,is not covered by the warrantyobligation.If the user does not conform to therules described in Owner Manual, itmay entail cancellation of warrantyand liabilities by The Trane Company.

ImportantThese instructions do not cover allvariations in systems, nor do theyprovide for every possiblecontingency to be met.Should further information bedesired or should particularproblems arise which are notcovered sufficiently for thepurchaser’s purposes, the mattershould be referred to your authorizedTrane dealer.

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Contents

General Information 2Control Operation 4Wireless Remote Control 5Digital Wired Control 9System Operation 12Safety Precautions 13Maintenance 14Troubleshooting 15

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Infrared Remote ControlUnit Display and One-touchControl Switch

Control Operation

1

2

3

A

4

Display Panel

Four lamps on the unit showoperating status.

1. FAN LampThis lamp lights when the fan isoperating.

2. COOLING LampThis lamp lights when the unit isin COOL or DRY mode ofoperation.

3. TIMER LampThis lamp lights when the systemis being controlled by the timer.

4. Compressor LampThis lamp lights when compressoris operated.

One Touch Control Switch (A)This button is used for adjustingoperation without remote controlunit.

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Infrared Remote Control

Name and function of buttons

1. Infrared Signal TransmitterTransmits the signal to indoor unit.

2. POWER ButtonPress this button to start unit operation.Press this button again to stop unitoperation.

3. Temperature Setting ButtonTEMP : Press this button to increasethe set temperature.TEMP : Press this button to decreasethe set temperature.

4. FAN SPEED ButtonPress this button to select fan speed.

5. MODE ButtonPress this button to select systemoperation mode. In cooling only system,a mode is selected in sequence as FAN,COOL, DRY, and back to FAN.

6. LOUVER ButtonPress this button to adjust bladedirection.

7. SWEEP ButtonPress this button to activate orinactivate sweep motor to distribute airflow.

8. FRONT BLADE ButtonPress this button to activate orinactivate front blade function.

9. ON TIMER ButtonPress this button to set the on timer ofthe unit operation.

10. OFF TIMER ButtonPress this button to set the off timerof the unit operation.

11. CLOCK ButtonPress this button to set the clock tothe present time or see the presenttime after ON or OFF TIMER was set.

Wireless Remote Control

2

3

5

6

7

8

10

11

12

13

14

15

16

1

4

9

12. LIGHT ButtonPress this button to turn on the LCDlight.

13. POWERCOOL ButtonPress this button to acceleratecapacity up.

14. ECONO ButtonPress this button to save energy.

15. SLEEP ButtonPress this button to controltemperature while sleeping andpress this button again to cancel.

16. SEND ButtonPress this button to confirm theoperation of the unit according tothe LCD display or press and holdfor 5 seconds to toggletemperature unit between Celsiusand Fahrenheit.

Installation of Batteries1. Slide the back cover of the remote

control down to take it off.2. Insert two dry batteries into the slot. Be

sure that the + and – directions arecorrect.

3. Fix the back cover to the remote controlas before.

Attentions• Batteries can be used approximately for

one year under normal conditions.• Always replace an identical type of two

batteries at the same time.• Do not use manganese dry batteries

since they may cause a malfunction.• Do not use rechargeable (Ni-Cd)

batteries, because such batteries maydiffer from standard dry cell batteriesin shapes, dimensions, or performance.

• Take out all batteries if you are not goingto use the air-conditioner for a longperiod of time.

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Auto –> Low –> Medium –> High

A


A


Operation Mode

FAN Mode- Press Mode button to select the

operation mode.- “FAN” will be shown on the display

when FAN mode is selected.- Press FAN SPEED button to select the

desired fan speed level and the displaywill show.

Auto, Low, Medium, and Highrespectively

Note:• In FAN mode, the LCD display will not

show set temperature and cannotadjust set temperature, SLEEP,ECONO, and POWERCOOL mode.

COOL Mode- Press Mode button to select the

operation mode.- “COOL” will be shown on the display

when COOL mode is selected.- Press either or button to set the

desired temperature between 15ºC to30ºC.

- Press FAN SPEED button to select thedesired fan speed level and the displaywill show.


DRY Mode- Press Mode button to select the

operation mode.- “DRY” will be shown on the display

when DRY mode is selected.- Press either or button to set the




Note:• In DRY mode, if the compressor stops

working, fan motor and SWEEPfunction will be stopped; fan motor andSWEEP function will operate whencompressor operates.

• SWEEP function will be cancelledwhenever LOUVER function is selected.

• ECONO mode cannot be activatedduring DRY mode operation.

CLOCK Setting- Press CLOCK button to set clock and

will be shown on the display withblinking hour number.

- Press either or button to set theclock to the present hour.

- Press CLOCK button again to confirmhour setting and minute number will beblinking.

- Press either or button to set theclock to the present minute.

- Press CLOCK button again to confirmminute setting; hour and minute numberwill stop blinking and the set time willbe shown on the display.

Note:• If there are no other buttons pressed

within 15 seconds, clock setting will becancelled.

• User can confirm CLOCK setting duringCLOCK setting process by pressingSEND button.


A

Indicators on Infrared RemoteControl

1. CLOCKDisplays present time.

2. ON TIMERDisplay ON TIMER when ON TIMERis set.

3. OFF TIMERDisplay OFF TIMER when OFF TIMERis set.

4. Transmission IndicatorThe transmission indicator lights whenremote control transmits signal to theindoor unit.

5. SLEEP ModeDisplay sleep symbol after activatingSLEEP mode.

6. Set TemperatureDisplays the set temperature (15ºC to30ºC) when FAN or POWERCOOLmode is selected. The set temperaturewill be disappeared until FAN orPOWERCOOL mode is cancelled orcomplete.

7. FAN SpeedDisplay the selected fan speed level:auto, low, medium, or high.

8. Operation ModeDisplays the current operation mode:FAN, COOL, or DRY in cooling onlysystem.

9. SWEEP FunctionDisplays “SW” when sweep motor isactivated.

10. ECONO ModeDisplays “ECONO” when ECONOmode is activated.

11. POWERCOOL ModeDisplays “POWERCOOL” whenPOWERCOOL mode is activated.

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9

10

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Timer OperationOnce you select the timer operation, thesettings are saved in the remote control.Thereafter, the air-conditioner will startoperating under the same conditions whenyou simply push the POWER button on theremote control.

ON TIMER SettingYou can set ON TIMER to start the unitautomatically at any desired time up to24 hours as real time.- Press ON TIMER button. ON symbol


- Press either or button to set thedesired hour.

- Press ON TIMER button again toconfirm hour setting and minutenumber will be blinking.

- Press either or button to set thedesired minute.

- Press ON TIMER button again toconfirm minute setting. Hour andminute number will stop blinking. Theunit is now standby for startingair-conditioner automatically at the settime.

- To cancel ON TIMER, press ON TIMERbutton again.

Note:• The user can confirm ON TIMER during

ON TIMER setting process by pressingSEND button.

• If there are no other buttons pressedwithin 15 seconds, ON TIMER will becancelled, and the LCD display willreturn to show clock.

• After pressing ON TIMER button, theLCD display will show the last on timerset by user with blinking hour number.

• When ON/OFF TIMER is set, thepresent time is not displayed.

• Press CLOCK button to see presenttime after ON/OFF TIMER was set. TheLCD display will show present timeabout 15 seconds and return to showON/OFF TIMER. If user press CLOCKbutton during the 15 seconds displayof present time, the operation will beCLOCK setting and return to ON/OFFTIMER.


• In case of power failure, ON TIMER willbe automatically cancelled as there isno electricity in the air-conditioner;however, the set time on the remotecontrol is still displayed due to batteries.The user has to cancel and set ONTIMER again or press SEND button toreactivate ON TIMER when theelectricity is back to normal conditions.

OFF TIMER SettingYou can set OFF TIMER to stop the unitautomatically at any desired time up to24 hours as real time.- Press OFF TIMER button. OFF symbol



- Press OFF TIMER button again toconfirm hour setting and minutenumber will be blinking.


- Press OFF TIMER button again toconfirm minute setting. Hour andminute number will stop blinking. Theunit is now standby for stopping air-conditioner automatically at the settime.

- To cancel OFF TIMER, press OFFTIMER button again.

Note:• The user can confirm OFF TIMER

during OFF TIMER setting process bypressing SEND button.

• If there are no other buttons pressedwithin 15 seconds, OFF TIMER will becancelled, and the LCD display willreturn to show clock.

• After pressing OFF TIMER button, theLCD display will show the last off timerset by user with blinking hour number.


• Press CLOCK button to see presenttime after ON/OFF TIMER was set. TheLCD display will show present timeabout 15 seconds and return to showON/OFF TIMER. If user press CLOCKbutton during the 15 seconds displayof present time, the operation will beCLOCK setting and return to ON/OFFTIMER.

• In case of power failure, OFF TIMER willbe automatically cancelled as there isno electricity in the air-conditioner;however, the set time on the remotecontrol is still displayed due to batteries.The user has to cancel and set OFFTIMER again or press SEND button toreactivate OFF TIMER when theelectricity is back to normal conditions.

POWERCOOL ModePOWERCOOL mode rapidly maximizesthe cooling capacity in COOL or DRYmode. With this simply mode, the user caneasily get the maximum cooling capacityand comfort.- Press POWERCOOL button.

“POWERCOOL” will be shown on thedisplay.

- The air-conditioner will acceleratecapacity up totally 20 minutes or untilroom temperature is lower than 18ºC.

- When POWERCOOL mode completelyoperates or is cancelled,“POWERCOOL” will be disappearedfrom the display and return to theformer settings before POWERCOOLmode.

- To cancel POWERCOOL mode, pressPOWERCOOL or MODE button again.

Note:• The LCD display will not show fan

speed and set temperature.• Fan speed and set temperature cannot

be changed while POWERCOOL modeis selected.

• In case of power failure, POWERCOOLmode will be automatically cancelled.

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SLEEP ModeSLEEP mode automatically and graduallyadjusts room temperature to provide greatcomfort during your rest.- Press SLEEP button, will be shown

on the display.- After one hour operation of SLEEP

mode, the unit will automatically raiseset temperature by 0.5ºC.

- After one and half hour operation ofSLEEP mode, the unit will automaticallyraise set temperature by 0.5ºC againand on the display will disappear.

- To cancel SLEEP mode, press SLEEPmode button again.

Note:• Set temperature shown on the display

still show the setting without 1ºCadded/reduced but it will plus/minus1ºC in the memory.

• will disappear from the LCD displaywhen SLEEP mode completelyoperates, after one and half hours, oris cancelled.

• In case of power failure, SLEEP modewill be automatically cancelled.

ECONO ModeECONO mode drastically saves energywith high efficient cooling capacity inCOOL mode by reducing powerconsumption. With this simply mode, theuser can easily get energy saving andcomfort.- Press ECONO button. “ECONO” will be

shown on the display.- The air-conditioner will operates at low

fan speed and raise temperature by 1ºCfrom set temperature.

- To cancel ECONO mode, press ECONOor MODE button again.


Note:• ECONO mode operates only in COOL

mode and automatically operates whenair-conditioner is closed without exitingor canceling ECONO mode.

• Fan speed can not be changed whileECONO mode is selected.

SWEEP FunctionSWEEP function swiftly distributes air flowand helps provide better air circulation inthe room with comfortable cooling.- Press SWEEP button, “SW” will be

shown on the display.- The air-conditioner will automatically

sweep the supply air grille back andforth.

- To cancel SWEEP function, pressSWEEP or LOUVER button again.

Note:• The supply air grille will be fully closed

when the unit is off.• The supply air grille will be fully opened

when the unit is on.• The supply air grille will automatically

stop sweeping when compressor stopsoperating and reactivate SWEEPfunction once compressor becomesoperating.

• SWEEP function is available only from12,000 to 36,000 Btu/h.

LOUVER FunctionLOUVER function provides you 5 levels ofair flow direction as your desire withcomfortable cooling.- Press LOUVER button to select the

desired air flow direction.

Note:• SWEEP function will be cancelled in

case LOUVER is selected.• LOUVER function is available only from

12,000 to 36,000 Btu/h.

FRONT BLADE FunctionFRONT BLADE function offers you theoptional supply air grille increasing air flowdirection and circulation with comfortablecooling or heating.- Press FRONT BLADE button to open

or close front supply air grille.

Note:• The front supply air grille will

automatically open when air-conditioner is closed without closingFRONT BLADE function during theoperation.

• FRONT BLADE function is availableonly from 12,000 to 36,000 Btu/h.

LIGHT ButtonLIGHT button offers you the optionalfeature to lighten the LCD display at anytime as you desire.- Press LIGHT button to lighten the LCD

display for 5 seconds.

Note:• Whenever you press any button from

6.00 pm to 6.00 am, the LCD displaywill automatically be lightened.

SEND ButtonSEND button offers you the optionalfeature to activate or confirm theoperations shown on the LCD display.- Press SEND button to activate or

confirm the operations shown on theLCD display.

Note:• Whenever you press any button from

6.00 pm to 6.00 am, the LCD displaywill automatically be lightened.

ºC/ºF ToggleThe optional feature offers you to changethe temperature display from ºC to ºF orfrom ºF to ºC.- Press and hold SEND button for

5 seconds to change temperaturedisplay.

Temperature COOL MODE

23.0

22.5

22.0

0 Hour21

0 1 2 3 4 5 6 7 8 9 10 11 12START

Normal Econo

HOUR

SET POINT

ECONO MODE (COOLING)

The unit will operate at low fan speed and raise temperature by 1ºC from set temperature. It will automatically return to normal operation when the air-conditioner is switched off and on again.

+1ºC

+2ºC

–2ºC

–1ºC

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Digital Wired Control

Name and function of buttons

1. Infrared Signal Receiver (op-tional)Receives the signal from handheldremote control and transmits the signalto indoor unit.

2. POWER ButtonPress this button to start unit operation.Press this button again to stop unitoperation.

3. Temperature Setting ButtonTEMP : Press this button to increasethe set temperature.TEMP : Press this button to decreasethe set temperature.

4. MENU ButtonPress this button to select modes orfunctions in the menu.

5. MODE ButtonPress this button to select systemoperation mode. In cooling only system,a mode is selected in sequence as FAN,COOL, DRY, and back to FAN.

6. FAN SPEED ButtonPress this button to select fan speed.

1

2 3 4 5 6

Indicators on Digital WiredControl

1. CLOCKDisplays present time.

2. ON TIMERDisplay ON TIMER when ON TIMERis set.

3. OFF TIMERDisplay OFF TIMER when OFF TIMERis set.

4. SLEEP ModeDisplay sleep symbol after activatingSLEEP mode.

5. Room & Set Temperature- Displays the room temperature.

When FAN or TURBO mode isselected, the room temperature willbe disappeared until FAN or TURBOmode is cancelled or complete.

- Displays the set temperature (15ºCto 30ºC) when either or buttonis pressed.

6. FAN SpeedDisplay the selected fan speed level:auto, low, medium, or high.

7. Operation ModeDisplays the current operation mode:FAN, COOL, or DRY in cooling onlysystem.

8. ECONO ModeDisplays “ECONO” when ECONOmode is activated.

9. TURBO ModeDisplays “TURBO” when TURBO modeis activated.

10. SWEEP FunctionDisplays sweep symbol when sweepmotor is activated.

11. Compressor Status IndicatorDisplays compressor status.

Operation Mode

FAN Mode- Press Mode button to select the

operation mode.- will be shown on the display when

FAN mode is selected.- Press FAN SPEED button to select the

desired fan speed level and the displaywill show.


Note:• In FAN mode, the LCD display will not

show set temperature and cannotadjust set temperature, SLEEP,ECONO, and TURBO mode.

COOL Mode- Press Mode button to select the


COOL mode is selected.- Press either or button to set the





A


A

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7

8

9

10

4

2

3

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DRY Mode- Press Mode button to select the


DRY mode is selected.- Press either or button to set the




Note:• In DRY mode, if the compressor stops

working, fan motor and SWEEPfunction will be stopped; fan motor andSWEEP function will operate whencompressor operates.

• ECONO mode can not be activatedduring DRY mode operation.

CLOCK Setting- Press MENU button and select CLOCK

setting by pressing either or .- Press MENU button again to set clock

and will be shown on the display withblinking hour number.

- Press either or button to set theclock to the present hour.

- Press MENU button again to confirmhour setting and minute number will beblinking.

- Press either or button to set theclock to the present minute.

- Press MENU button again to confirmminute setting; hour and minute numberwill stop blinking and the set time willbe shown on the display.


within 15 seconds, clock setting will becancelled.

Timer OperationOnce you select the timer operation, thesettings are saved in the control.Thereafter, the air-conditioner will startoperating under the same conditions whenyou simply push the POWER button on thecontrol.

ON TIMER SettingYou can set ON TIMER to start the unitautomatically at any desired time up to24 hours as real time.- Press MENU button and select ON

TIMER setting by pressing either or .

- Press Menu button again to set ONTIMER and ON symbol will be shownon the display with blinking hournumber.




- Press MENU button again to confirmminute setting. Hour and minutenumber will stop blinking. The unit isnow standby for starting air-conditionerautomatically at the set time.

- To cancel ON TIMER, select ON TIMERsetting and press MENU button again.


within 15 seconds, ON TIMER will becancelled, and the LCD display willreturn to show clock.

• After selecting ON TIMER setting, theLCD display will show the last on timerset by user with blinking hour number.


• In case of power failure, ON TIMER willbe automatically cancelled as there isno electricity in the air-conditioner.

OFF TIMER SettingYou can set OFF TIMER to start the unitautomatically at any desired time up to24 hours as real time.- Press MENU button and select OFF

TIMER setting by pressing either or .

- Press Menu button again to set OFFTIMER and OFF symbol will be shownon the display with blinking hournumber.




- Press MENU button again to confirmminute setting. Hour and minutenumber will stop blinking. The unit isnow standby for starting air-conditionerautomatically at the set time.

- To cancel OFF TIMER, select OFFTIMER setting and press MENU buttonagain.


within 15 seconds, OFF TIMER will becancelled, and the LCD display willreturn to show clock.

• After selecting OFF TIMER setting, theLCD display will show the last off timerset by user with blinking hour number.


• In case of power failure, OFF TIMER willbe automatically cancelled as there isno electricity in the air-conditioner.

TURBO ModeTURBO mode rapidly maximizes thecooling capacity in COOL or DRY mode.With this simply mode, the user can easilyget the maximum cooling capacity andcomfort.- Press MENU button and select TURBO

mode setting by pressing either or .

- The air-conditioner will acceleratecapacity up totally 20 minutes or untilroom temperature is lower than 18ºC.



A

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- When TURBO mode completelyoperates or is cancelled, “TURBO” willbe disappeared from the display andreturn to the former settings beforeTURBO mode.

- To cancel TURBO mode, either pressMODE button or select TURBO modeand press MENU button again.

Note:• The LCD display will not show fan

speed and set temperature.• Fan speed and set temperature cannot

be changed while TURBO mode isselected.

• In case of power failure, TURBO modewill be automatically cancelled.

SLEEP ModeSLEEP mode automatically and graduallyadjusts room temperature to provide greatcomfort during your rest.- Press MENU button and select SLEEP

mode by pressing either or .- Press Menu button again to confirm

SLEEP mode. will be shown on thedisplay.

- After one hour operation of SLEEPmode, the unit will automatically raiseset temperature by 0.5ºC.

- After one and half hour operation ofSLEEP mode, the unit will automaticallyraise set temperature by 0.5ºC againand on the display will disappear.

- To cancel SLEEP mode, either pressMODE button or select SLEEP modeand press MENU button again.

Note:• Set temperature shown on the display

still show the setting without 1ºCadded/reduced but it will plus/minus1ºC in the memory.

• will disappear from the LCD displaywhen SLEEP mode completelyoperates, after one and half hours, oris cancelled.

• In case of power failure, SLEEP modewill be automatically cancelled.

ECONO ModeECONO mode drastically saves energywith high efficient cooling capacity inCOOL mode by reducing powerconsumption. With this simply mode, theuser can easily get energy saving andcomfort.- Press MENU button and select ECONO

mode by pressing either or .- Press MENU button again to confirm

ECONO mode. “ECONO” will be shownon the display.

- The air-conditioner will operates at lowfan speed and raise temperature by 1ºCfrom set temperature.

- To cancel ECONO mode, either pressMODE button or select ECONO modeand press MENU button again.

Note:• ECONO mode operates only in COOL

mode and automatically operates whenair-conditioner is closed without exitingor canceling ECONO mode.

• Fan speed cannot be changed whileECONO mode is selected.

SWEEP FunctionSWEEP function swiftly distributes air flowand helps provide better air circulation inthe room with comfortable cooling orheating.- Press MENU button and select SWEEP

function by pressing either or .- Press MENU button again to confirm

SWEEP function. will be shown onthe display.

- The air-conditioner will automaticallysweep the supply air grille back andforth.

- To cancel SWEEP function, selectSWEEP function and press MENUbutton again.

Note:• The supply air grille will be fully closed

when the unit is off.• The supply air grille will be fully opened

when the unit is on.• The supply air grille will automatically

stop sweeping when compressor stopsoperating and reactivate SWEEPfunction once compressor becomesoperating.

• SWEEP function is available only from12,000 to 36,000 Btu/h.

ºC/ºF ToggleThe optional feature offers you to changethe temperature display from ºC to ºF orfrom ºF to ºC.- Press and hold both and button

for 5 seconds to change temperaturedisplay.

Temperature COOL MODE

23.0

22.5

22.0

0 Hour21

0 1 2 3 4 5 6 7 8 9 10 11 12START

Normal Econo

HOUR

SET POINT

ECONO MODE (COOLING)

The unit will operate at low fan speed and raise temperature by 1ºC from set temperature. It will automatically return to normal operation when the air-conditioner is switched off and on again.

+1ºC

+2ºC

–2ºC

–1ºC


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System Operation

Up

Down

Right

Left

System Features

1. WatchdogThere is a circuit in the system towatch the operation of themicroprocessor.

2. Compressor Delay ProtectionThere is a time delay for restartingthe compressor.

3. Compressor Minimum on TimeOnce the compressor starts, it willoperate at least 24 seconds.

4. Non-Volatile Memory(Auto Restart)If there is a power interruption orfailure and back to normal, thecontrol will automatically resumeits operation with the same settingparameters except those relatedto time.

5. Freeze FunctionTo prevent the indoor coil freezing,this feature will stop compressorwhen the indoor coil temperatureis below 0ºC.

6. Defrost FunctionThis feature will protect thesystem operating in heat modeunder very low ambienttemperature.

7. Compressor Status IndicatorThis feature is the basic detectionof compressor status by showing

on the display whilecompressor is operating.

Error Code & Display

- Do not inspect or service the airconditioner while it is operating.Turn off the power supply beforedoing any inspection or servicework.

- The power cord should be keptaway from furniture with sharpcorners. It may cause fire orelectric shock.

- When the air conditioner will notused for a long time, be sure toturn OFF the power supply.

If you have any questions orproblems with your air conditioningsystem, please consult your nearestTrane dealer.

Adjust Air Flow Direction- The supply air grille may be

adjusted left, right, up or downmanually.

- Adjust the air flow directionproperly, otherwise, it may causediscomfort and make the roomtemperature uneven.

Adjust Air Flow Direction(with sweep option)- The sweep motor will sweep the

supply air grille upward anddownward.

- For left and right air flow, thesupply air grille can be adjustedmanually.

Operating Precautions

The air conditioner must be properlyinstalled by a qualified installer inaccordance with installationinstructions.

Anti-Recycle Timer- The control system has a built-in

3 minutes anti-recycle timer whichhelps to preserve the life ofsystem components.

- Anti-recycle timer will operates ascircumstances occur while the airconditioner is operating:• Temperature setting is adjusted

back and forth.• ON/OFF switch is turned ON

or OFF.• Room temperature reaches the

set point.• Power failure.

Once one of the above conditionsoccurs, the anti-recycle timer willstart preventing the outdoor unitoperation for approximately3 minutes.

Freeze ProtectionThe system is protected against lowindoor coil temperatures. Undercertain conditions, the LEDindicating the protective function hasbeen activated will blink, togetherwith error code 01 shown on thedisplay. System adjustment is notnecessary.

Stop the air conditioner at once ifany of the followings occurs:- The power cord is too hot to be

touched by hand.- The insulation of the power cord

is exposed at any point.- The fuse is blown or circuit

breaker trips frequently.- Malfunction or abnormal situation

of the air conditioning systemoccurs such as a burning smell.

Error code Description LED blinking

Freeze protection

Defrost function

Compressor overload protection

Anti overheat protection

Low ambient protection

Room sensor error

Deice sensor error

Freeze sensor error

yes

yes

yes

yes

yes

yes

yes

yes

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To avoid electrical shock or fire andpossible injury, the following pointsshould be noted and strictly adheredto:

■ Do not sit in the direct air pathfor long periods of time.Sitting in the direct air path of the airsteam for long periods of time isn’tgood for your health. Pay specialattention when sleeping, and wheninfants, senior citizens, and invalidsare present in the room.

■ Use only fuses of the properamperage.Making shift replacement such as apiece of wire should never be used.Not only could the unit itself bedamaged, but such action could bethe cause of a major fire.

■ Water should not be applieddirectly to the unit for cleaningpurpose.Electrical shock may be resulted.

■ Do not block or cover the returnair grille or discharge grille.Decreased performance as well asinability to operate normally could beresulted.

■ Avoid getting objects such assticks, sand, or stones into thereturn air or discharge grilles.Since the fan revolves at high speed,it is very dangerous. Be especiallycareful with children.

■ Be sure to always have the airfilter properly installed when theunit is operated.Otherwise, dirt can get into the innerworkings and cause damages.

■ Do not use the air conditionerfor preservation purposes.Do not use it for preserving precisioninstruments, foods, plants, animals,works of fine arts etc. performanceor quality may deteriorate and animalor plant life may be shorter.

■ Do not use flammable spraysnear the air conditioner.Such action could be the cause ofmajor fire.

■ Be sure the power is disconnectbefore maintenance.Do not inspect or service the airconditioner while it is operating. Turnoff the power supply before doingany inspection or service work.

■ Be sure the power cord is keptaway from furniture with sharpcorners.Electric shock or fire may beresulted.

■ When the air conditioner willnot be used for a long time, besure to turn off the power supply.

If you have any questions orproblems with your air conditioningsystem, please consult Trane dealeror The Trane Company.

Safety Precautions

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14 MS-SVU0013-EN

Maintenance

Regular MaintenanceBe sure to disconnect the powerbefore inspection or maintenance ofair conditioner.

1. Cleaning the air filterAir flow is reduced and coolingefficiency impaired if the filter isclogged. Be sure to clean the filterevery two weeks during thecooling season.1.1 How to remove the air

filters- Remove each return air

grille by pushing downand pulling forward.

- Remove each air filterframe from the return airgrille.

2. Cleaning the front panelDo not pour water directly on thefront panel to clean it. Dust orwipe it lightly with a soft cloth. If itis very dirty, use a soft clothsoaked in water or neutraldetergent.

Cautions- Do not use water over 50ºC to

clean the front panel or it maybecome discolored.

- Do not use benzine, gasoline,thinner, polishing compound,machine oil, etc. when cleaningthe front panel, or paint may peeloff, or it may become deformedor damaged.

3. Maintenance before prolongedidle period- Operate the fan for about half

a day to dry the inside of theunit.

- Stop the air conditioner anddisconnect the power byturning off the safety breaker.

- Clean the air filter and return itto its original position.

- Place the protective cover overthe condensing unit.

- Outdoor unit internalcomponents must be cleanedperiodically.

1.2 How to clean the air filterWash away dust from the airfilter with clean water orvacuum it with an electricvacuum cleaner.

Note: Once the air filter is washed,dry it completely before returning itto its original position.After cleaning, be sure to return it toits original position.

Cautions- Do not wash the air filter in water

that is over 40ºC or it may shrink.- Do not expose the air filter to fire.- Do not expose the air filter to

direct sunlight for a long time.- Clean the air filter more frequently

when the air is very dirty.

Pull Upward

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15MS-SVU0013-EN

Before calling for service, pleasecheck the following.

The air conditioner does notoperate at all:- Check if the control ON/OFF

switch is “OFF”. Turn the switchto ON.

- Check whether the fuse has beenblown or circuit breaker thrown.Set the ON/OFF Control Switchto OFF, and turn on the circuitbreaker or replace to a new fuse.

- Check whether the power supplyis interrupted. Wait until the poweris resupplied and then operate theair conditioner.

Troubleshooting

Cooling is insufficient:- Check whether the air filter is

clogged. Clean it.- Check whether the thermostat

setting is too high. Set thethermostat to lower temperature.

- Check whether windows or doorsare opened. If opened, close it.

- Check whether there are sourcesof heat in the room, cooling is lesseffective.

- Check whether the return air grilleor the supply air grille on theindoor unit and outdoor unit areblocked. If they are blocked,remove obstacles to make airpassage clear.

- Check whether the fan speed isset at low. Set the fan switch from“LOW” to “MED” or “HIGH”.

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Literature Order Number: MS-SVU0013-EN

Date: Jul 2007

Supersedes: Oct 2002

Stocking Location: Bangkok, Thailand

TraneA business of American Standard Companieswww.trane.com

For more information, contact your local district office

Trane has a policy of continuous product and product data improvement and reserves the right to change design and specific ations without notice. Only qualified technicians should perform the installation and servicing of equipment referred to in this publication.

MS-SVU0013-EN.p65 20/7/2007, 11:52AM16

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