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Rev. (0) - 2013

Quality

Management System

ISO 9001 : 2008

Certificate No.: QS-5519HH

Enviromental 

Management System

ISO 14001 : 2004

Certificate No : 12 104 30334 TMS

Safety 

Management System

BS OHSAS 18001 : 2007

Certificate No : 12 116 30334 TMS

220-240V ~ 50Hz 1Ph

380-420V ~ 50Hz 3Ph

R22

Medium Static Pressure

 OWNER’S  MANUAL

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 specifications subject to change without prior notice according to Carrier policy of continuous development.

03502787

Slim Line

Ceiling Concealed Ducted Split Systems

 

53QDMT 12-18-24-30-36-42-48-60 

Heat Pump

Summary of Contents for 53QDMT 12

Page 1: ... R22 Medium Static Pressure OWNER S MANUAL 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 specifications subject to change without prior notice according to Carrier policy of continuous development 03502787 Slim Line Ceiling Conc...

Page 2: ... Delay Anti Freezing Protection 3 Min HighTemp Protection High Temp Protect Anti Freezing Cold Draft Protection Optional Drain Pump Durability Easy Installation Maintenance Self diagnostic function Refrigerant Leak Detection Fresh Air Slim Design Efficient Operation Efficient Anti dust Filters Display Panel IAQ Wired Control Wireless Control Auto Fan Speed Auto Super Quiet Hydrophilic Aluminum Fin...

Page 3: ...rcial applications where the units are practically hidden from view CONTENTS PAGE NO 1 GENERAL INFORMATION 1 2 SYSTEM SAFETY PROTECTIONS 2 3 TIPS OF ENERGY SAVING AND OPTIMUM COMFORT LEVEL 3 4 SPLIT SYSTEM DESCRIPTION 5 5 DESCRIPTION OF DISPLAY PANEL 6 6 USE OF WIRED CONTROLLER 7 7 CONSIDERATIONS FOR REMOTE CONTROL 19 8 USE OF REMOTE CONTROL 20 9 AIR FILTERS CLEANING 33 10 INDOOR UNIT CLEANING 34 ...

Page 4: ...e installed to be far away from any flammable materials curtains etc The circuit breaker size must be suitable for air conditioner Disconnect the electrical mains supply prior to any maintenance operations or prior to handling any internal unit parts The manufacturer declines any liability for damage resulting from modifications or errors in the electrical or refrigerant connections made during th...

Page 5: ...ters and when the air conditioner is operating in cool mode at low ambient temperature High temperature protection of outdoor coil when the air conditioner is operating in cool mode Cold draft protection when the system is operating in heat mode When starting heat mode the fan speed is regulated automatically from the lowest grade to the present level according to the temperature rise of indoor co...

Page 6: ... temperature intensity too cold Extreme temperatures are harmful to your health and waste energy Wireless Control Wired Control Adjust economical setting temperature for heating mode in winter for energy saving and optimum comfort level Keep room temperature to comfort levels Don t remain in direct contact with warm air for a long period This is harmful to health Don t wait until it is too cold Tu...

Page 7: ...oid overcooling or avoid overheating and to have comfortable healthy sleep Cool Model Heat Mode Cool Model Heat Mode Wireless Control Wired Control Clean periodically air filters of indoor unit every month to assure adequate air circulation and maximum cooling and heating efficiency Periodic service and maintenance of the air conditioner or upon customer request through Carrier or Carrier authoriz...

Page 8: ...t 2 Air inlet 3 Air filter 4 Electric control cabinet 5 Drain hose 6 Inter connecting refrigerant piping and electrical cables between indoor and outdoor units 7 Wired control 8 Wireless remote control Indoor Unit 7 Outdoor Unit 1 2 3 4 5 6 8 ...

Page 9: ...o cool with a wind speed of HIGH for 30 minutes The remote controller operation is disabled OFF The OPERATION lamp goes off The air conditioner is OFF while the remote controller operation is enabled 2 OPERATION green led OPERATION green led lights on when the air conditioner operates OPERATION green led lights off when the air conditioner stops 3 TIMER green led TIMER green led lights on when tim...

Page 10: ... Press CLOCK button for 4 seconds then the hour part on the clock display flashes every 0 5 second then press Clock button again to adjust hours 2 Press clock button then the minute s part flashes every 0 5 second then press clock button again to adjust minutes 3 When set clock or after clock setting press OK button to confirm and complete clock setting 1 2 ...

Page 11: ...ioner OPERATION lamp on the display panel will light on COOL mode starts after approximately 3 minutes STOP If you want to stop the air conditioner Press ON OFF button again NOTES If the room temperature is higher than the selected temperature the system will start COOL mode If the room temperature is equal to or less than the selected temperature the system will stop COOL mode If you use AUTO fan...

Page 12: ...oner OPERATION lamp on the display panel will light on HEAT mode starts after approximately 3 minutes STOP If you want to stop the air conditioner Press ON OFF button again NOTES If the room temperature is lower than the selected temperature the system will start HEAT mode If the room temperature is equal to or higher than the selected temperature the system will stop HEAT mode If you use AUTO fan...

Page 13: ... after approximately 3 minutes STOP If you want to stop the air conditioner Press ON OFF button again NOTES 1 In the AUTO mode the air conditioner can logically choose the mode of Cooling Fan only or Heating operation by sensing the difference between the actual room temperature and the set temperature on the unit control panel 2 In the AUTO mode you cannot switch the fan speed It has already been...

Page 14: ...DRY mode starts after approximately 3 minutes STOP If you want to stop the air conditioner Press ON OFF button again NOTES In DRY mode you can not switch the indoor fan speed The indoor fan speed will be automatically selected AUTO The DRY mode will automatically select the drying operation based on the difference between the set temperature and the actual room temperature The temperature is regul...

Page 15: ... Press ON OFF button to start the air conditioner OPERATION lamp on the display panel will light on FAN ONLY mode starts immediately STOP If you want to stop the air conditioner Press ON OFF button again NOTES In FAN mode the unit will start immediately In FAN mode you can not change temperature The setting temperature is not displayed on the control display In FAN mode you can not operate ECO fun...

Page 16: ...u want to cancel ECO function Press ECO button again ECO function with HEAT Mode If you want to operate ECO function with Heat mode to save energy and maintain the most comfortable temperature during HEAT mode apply the following steps Start Press ECO button to activate ECO function The fan speed will automatically change to low speed The set temperature will be automatically decreased by 1 C afte...

Page 17: ... setting time of TIMER ON function Each time you press the button the time moves forward by 0 5 hour When the set time is over 10 hours each time you press the button the time move forward by 1 hour 3 0 5 seconds later after setting the time for TIMER ON function the wire controller sends the information of timer on and the time on setting is completed TIMER indicator symbol TIMER will illuminate ...

Page 18: ...ER OFF function Each time you press the button the time moves forward by 0 5 hour When the set time is over 10 hours each time you press the button the time move forward by 1 hour 3 0 5 seconds later after setting the time for TIMER OFF function the wire controller sends the information of timer off and the time off setting is completed TIMER indicator symbol TIMER will illuminate on the display p...

Page 19: ...r 3 Press TIMER OFF button to set TIMER OFF function the wired controller displays the icons of HOUR and OFF display on the timer setting area 4 Press TIMER OFF button again and then adjust setting time of TIMER OFF function Each time you press the button the time moves forward by 0 5 hour When the set time is over 10 hours each time you press the button the time move forward by 1 hour 5 0 5 secon...

Page 20: ...orward by 1 hour 3 Press TIMER ON button to set TIMER ON function the wired controller displays the icons of HOUR and ON display on the timer setting area 4 Press TIMER ON button again and then adjust setting time of TIMER ON function Each time you press the button the time moves forward by 0 5 hour When the set time is over 10 hours each time you press the button the time move forward by 1 hour 5...

Page 21: ...12 00 will flash The mode displays AUTO The fan speed displays AUTO The temperature displays 24 Note You will need to reprogram the clock setting after Pressing RESET button Refer to CLOCK adjusting function Page 9 LOCK Function 1 Use LOCK function when you want to prevent settings from being changed accidentally 1 When you press the recessed LOCK button all current settings are locked in and the ...

Page 22: ...to light 6 Batteries should only be replaced after turning OFF the air conditioner 7 2 INSTRUCTIONS OF USING WIRELESS REMOTE CONTROL 1 The remote control must be directed toward the receiver of indoor unit when pressing the buttons of the desired functions An acoustical acknowledgement sound beep will indicate that signal has been received 2 Avoid direct sunlight on the receiver of indoor unit whi...

Page 23: ...e you press The time alters as quickly as you press the button Keep pressing the button without releasing the time moves forward or backward by 10 minutes depending on which side you press 3 CLOCK button When the right time is achieved press the CLOCK button or release the or and wait for 3 seconds the clock time stops flashing and the clock starts 4 Readjusting the Clock Press the CLOCK button on...

Page 24: ...ntrol display OPERATION green led will illuminate on the display panel of indoor unit COOL mode starts after approximately 3 minutes STOP If you want to stop the air conditioner Press ON OFF button again NOTES If the room temperature is higher than the selected temperature the system will start COOL mode If the room temperature is equal to or less than the selected temperature the system will stop...

Page 25: ...ote control display OPERATION green will illuminate on the display panel of indoor unit HEAT mode starts after approximately 3 minutes STOP If you want to stop the air conditioner Press ON OFF button again NOTES If the room temperature is lower than the selected temperature the system will start HEAT mode If the room temperature is equal to or higher than the selected temperature the system will s...

Page 26: ...UTO mode starts after approximately 3 minutes STOP If you want to stop the air conditioner Press ON OFF button again NOTES 1 When Auto mode is activated the air conditioner changes the operation mode automatically to cool or heat or fan only mode and also changes fan speed to auto speed by sensing the temperature difference between room temperature and set temperature 2 In the Auto mode you cannot...

Page 27: ...illuminate on the display panel of indoor unit DRY mode starts after approximately 3 minutes STOP If you want to stop the air conditioner Press ON OFF button again NOTES In DRY mode you can not switch the indoor indoor fan speed The indoor fan speed will be automatically selected AUTO The DRY mode will automatically select the drying operation based on the difference between the set temperature an...

Page 28: ...F button to start the air conditioner ON symbol appears on the remote control display OPERATION green will illuminate on the display panel of indoor unit FAN ONLY mode starts immediately STOP If you want to stop the air conditioner Press ON OFF button again NOTES In FAN mode the unit will start immediately FAN mode does not control temperature The setting temperature is not displayed on the remote...

Page 29: ...cancel SLEEP ECO O function Press SLEEP button again SLEEP ECO function with HEAT Mode If you want to operate SLEEP ECO function with Heat mode to save energy and maintain the most comfortable temperature during HEAT mode apply the following steps Start Press SLEEP button to activate SLEEP ECO function The fan speed will automatically change to low speed The set temperature will be automatically d...

Page 30: ...is displayed Each time you press there the button the time moves forward or backward by 10 minutes depending on which one you press The time alters as quickly as you press the button 3 After setting the time for TIMER ON function the TIMER led will illuminate on the led display of the indoor unit TO CANCEL TIMER ON FUNCTION Press CANCEL button if you want to cancel TIMER ON setting TO CHANGE TIMER...

Page 31: ...me you press the button the time moves forward or backward by 10 minutes depending on which one you push The time alters as quickly as you press the button 3 After setting the time for TIMER ON function the TIMER led will illuminate on the led display of the indoor unit is illuminated TO CANCEL TIMER ON FUNCTION If you want to cancel TIMER OFF setting Press CANCEL button TO CHANGE TIMER ON SETTING...

Page 32: ... TIME button to display 6 00 beside the TIMER ON indicator Wait 3 seconds the TIMER ON time will be registered 3 Press TIMER button again until TIMER OFF indicator is displayed and setting time is flashing 4 Use TEMP TIME button to display 8 00 on the TIMER OFF indicator 5 Wait 3 seconds until the setting time stops flashing and this function is activated NOTES If you want to cancel ON or OFF time...

Page 33: ...IMER OFF indicator is displayed and the setting time is flashing 2 Use the TEMP TIME button to display 23 00 beside the TIMER OFF indicator of the remote control Wait 3 seconds the TIMER OFF time will be registered 3 Press TIMER button again until TIMER ON indicator is displayed and setting time is flashing 4 Use TEMP TIME button to display 6 00 beside the TIMER ON indicator 5 Wait 3 seconds until...

Page 34: ... settings The clock time 12 00 will flash The mode displays AUTO The fan speed displays AUTO The temperature displays 24 Note You will need to reprogram the clock setting after Pressing RESET button F C Function Used to select display temperature settings in either Celsius or Fahrenheit Press this button to select either the Celsius or Fahrenheit scale ...

Page 35: ...MP and buttons as the same time all current settings are locked in and the remote control does not accept any operation except that of the LOCK 7 A LOCK symbol will appear on the bottom right hand sides of the remote control display when the LOCK function is activated 8 If you want to cancel LOCK function Press again TEMP and buttons as the same time ...

Page 36: ...the air filter frequent If the accumulated dust is too heavy to be cleaned please replace the filter with a new one replaceable air filter is an optional fitting If the air filter is located at the back of the indoor unit remove the filter fixed screws 2 screws and take down the filter away from the indoor unit If the air filter is located at the bottom of the indoor unit push the filter up slight...

Page 37: ...use a chemically treated cloth or duster to clean the unit Do not use benzene thinner polishing powder or similar solvents for cleaning INDOOR COIL CLEANING It is recommended to clean the coil at least at the beginning of each cooling season or when necessary turn the unit off first Use a vacuum cleaner or a long bristle brush to avoid damage to the coil fins Watch the fin edges to avoid injury Da...

Page 38: ...d service and maintenance works and intervals may vary depending on the installation environment e g dusty zones etc see below table Indoor Unit Every Month Every Year Clean air filter 3 1 Clean drain pipe 2 Outdoor Unit Every Month Every Year Clean outdoor coil 2 Blow air over electric parts 2 Check electric connection tightening 2 Clean fan wheel 2 Check fan tightening 2 Clean drain pan 2 NOTES ...

Page 39: ... AFTER A LONG STOP AT THE BEGINNING THE SEASON Check and remove everything that might be blocking inlet and outlet vents of indoor units and outdoor units Clean air filters and casings of indoor units Refer to Cleaning the air filter for details on how to proceed and make sure to install cleaned air filters back in the same position Turn on the power at least 12 hours before operating the unit in ...

Page 40: ... original position when power is first turned on 3 Dust is blown out from the indoor unit This is a normal condition when the air conditioner has not been used for a long time or during first use of the unit 4 Unpleasant smells coming out from the indoor unit Unpleasant smells can be caused by substances accumulated in the air filters of indoor unit In this case you must switch the system off and ...

Page 41: ...essing any function button the remote control shows the function requested on the display but unit does not acknowledge signal receipt with a beep and does not carry out the function Main switch is OFF Switch it to ON position Remote control batteries are exhausted Replace batteries Remote control has not been pointed correctly to the receiver of indoor unit Turn remote control OFF and repeat the ...

Page 42: ... temperature in the cooling mode Correct selected temperature Air conditioner is not supplying enough heating Air flow cannot circulate freely Remove obstructions Dirty filters reduce air quantity circulating Clean air filters Doors and or windows are open Close doors and windows Fan speed has been set to Low Set fan speed at high speed Air flow direction is not correct Adjust airflow direction as...

Page 43: ... but works with other indoor type 7 SLEEP ECO function button 8 CLOCK function button 9 LED DISPLAY function button 10 TIMER ON or OFF function button 11 CANCEL function button 12 RESET function button 13 F C Fahrenheit or Celsius setting function button 14 2 9 10 11 3 1 5 4 6 7 12 13 8 14 SPEED LOW MED HIGH AUTO SET TEMP TIMER ON TIMER OFF CLOCK o DRY FAN HEAT COOL AUTO 2 4 1 5 8 10 6 3 7 9 Signa...

Page 44: ...n button 13 LOCK function button 14 RESET function button Medium Static Pressure Ducted Split Air Conditioners WIRED ROOM CONTROLLER 4 5 6 1 7 8 9 10 12 13 11 14 3 2 DISPLAY DISPLAY DETAIL OF WIRED ROOM CONTROLLER 1 2 7 5 6 3 4 MODE indicator 1 AUTO Mode indicator COOL Mode indicator DRY Mode indicator HEAT Mode indicator FAN Mode indicator FAN SPEED indicator 2 Low Fan Speed indicator Medium Fan ...

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