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Carrier 53QC 36-48, Owner'S Manual

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Carrier 53QC 36-48 Owner'S Manual Download Page 23

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9. PERIODICAL CHECKS 

 

For a good operation of the air conditioner it is recommended to carry out checks and maintenance as 

indicated.

 

Recommended maintenance intervals may very depending on the installation environment, e.g. dusty 

zones, etc. 

Indoor Unit 

Every Month 

Every 4 Months 

Every Year 

Clean air filter 

●

(1) 

 

 

Clean drain pipe (2) 

 

●

 

 

Change controller batteries 

 

 

●

 

Outdoor Unit 

Every Month 

Every 4 Months 

Every Year 

Clean outdoor coil from outside (2) 

 

●

 

 

Clean outdoor coil from inside  

 

 

●

 

Blow air over electric parts (2) 

 

 

●

 

Check electric connection tightening (2) 

 

 

●

 

Clean fan wheel (2) 

 

 

●

 

Check fan tightening (2) 

 

 

●

 

 

 

(1)  Increase frequency in dusty zones. 

(2)  Operations to be carried out by qualified service personnel.

 

 

 
10. CONSIDERATIONS AFTER OPERATIONAL SEASON AND BEFORE A LONG SHUTDOWN 

PERIOD OF AIR CONDITIONER 

 

Keep the indoor unit in operation for half a day in the ventilation 
(fan only) mode in order to dry all internal parts. 

 

Switch electric mains supply off. 

 

Take batteries out of the remote control. 

 

Clean indoor and outdoor units. 

 

Clean the air filters and reposition them in the unit. 

 

 

 

12h 

Summary of Contents for 53QC 36-48

Page 1: ... TMS 03501148 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 Cassette Sky 53QC 36 48 HEAT PUMP 220 240V 50...

Page 2: ...ng Hydrophilic Aluminum Fins 3 Minutes Time Delay 3 Min Self diagnostic function Anti Freezing Protection HighTemp Protection Cold Draft Protection Defrost Protection High Temp Protect Anti Freezing Smart Airflow Efficient Operation LE LED Display Vertical Airflow Auto Swing Wide angle Airflow Auto Fan Speed Auto Built in Drain Pump Easy Fast Service Maintenance Cleanable Front Panel Washable Air ...

Page 3: ...et operation and optimum uniform air distribution CONTENTS PAGE NO 1 GENERAL INFORMATION 1 2 SYSTEM SAFETY PROTECTIONS 2 3 TIPS OF ENERGY SAVING AND OPTIMUM COMFORT 3 4 SPLIT SYSTEM DESCRIPTION 4 5 CONSIDERATIONS FOR REMOTE CONTROL 5 6 USE OF REMOTE CONTROL 6 7 AIR FILTERS CLEANING 19 8 INDOOR UNIT CLEANING 19 9 PERIODICAL CHECKS 20 10 CONSIDERATIONS BEFORE A LONG SHUTDOWN PERIOD OF AIR CONDITIONE...

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: ...tion Auto restart Feature with backup memory When the power failure is happened during system operation the micom of printed circuit board will memorize the operation setting After the power is recovered the system operates automatically without remote control after compressor time delay according to the previous operation settings 3 Three minutes time delay between compressor turning off and turn...

Page 6: ...atures are harmful to your health and waste energy COOL mode HEAT mode In Winter 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 Turn the air conditioner for heating before that Don t exaggerate on the temperature intensity too hot Extreme temperatures are harmful to your health and was...

Page 7: ...outlet 4 Air in grill 5 Air filter inside air in grill 6 Air inlet 7 Refrigerant piping lines and electrical cables 8 Condensate drain line 9 Drain pipe 10 Flare valves 11 Remote control signal receiver 12 Bracket of remote control 7 8 10 Outdoor Unit 2 11 1 3 8 5 4 6 9 12 Indoor Unit ...

Page 8: ...the indoor unit or transmission indicator on the remote control fails to light 6 Batteries should only be replaced after turning OFF the air conditioner 5 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 be...

Page 9: ...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 OK 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 th...

Page 10: ...ntrol display OPERATION indicator 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 11: ... control display OPERATION indicator 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 ...

Page 12: ... indoor unit AUTO mode starts 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 ...

Page 13: ... will 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 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...

Page 14: ...button to start the air conditioner ON symbol appears on the remote control display OPERATION indicator 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 remo...

Page 15: ...sing moisture to drop on to the floor or on furnishings Do not move the horizontal louver manually Always use AIR DIRECTION button or SWING button If you move horizontal louver manually it may malfunction during operation If the louver malfunctions stop the air conditioner once and restart it When the air conditioner is started immediately after it was stopped the horizontal louver might not move ...

Page 16: ... want to cancel ECO function press any other button 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 after...

Page 17: ...he LCD display of the remote control TO CANCEL TIMER ON FUNCTION Press TIMER ON button until the time setting is 0 0 EXAMPLE OF TIMER ON SETTING To start automatically the air conditioner in 6 hours apply the following steps 1 Press the TIMER ON button the last setting of starting operation time and the signal HOUR will show on the display of the remote control 2 Press the TIMER ON button to displ...

Page 18: ...e control TO CANCEL TIMER OFF FUNCTION Press TIMER OFF button until the time setting is 0 0 EXAMPLE OF TIMER OFF SETTING To stop automatically the air conditioner in 10 hours 1 Press the TIMER OFF button the last setting of stopping operation time and the signal HOUR will show on the display of the remote control 2 Press the TIMER OFF button to display 10 on the TIMER OFF display of the remote con...

Page 19: ... Press TIMER OFF button 4 Press TIMER OFF button again to display 5 0 HOUR on TIMER OFF display 5 Wait for 4 seconds then the remote control will display the setting temperature again CAUTION If you want to cancel ON or OFF timer setting press TIMER ON or TIMER OFF until the time is 0 0 The timer setting TIMER ON or TIMER OFF that in sequence occurs directly after the set time will activated first...

Page 20: ... ON button 4 Press TIMER ON button again to display 10 HOUR on TIMER ON display 5 Wait for 4 seconds then the remote control will display the setting temperature again CAUTION If you want to cancel ON or OFF timer setting press TIMER ON or TIMER OFF until the time is 0 0 The timer setting TIMER ON or TIMER OFF that in sequence occurs directly after the set time will activated first The timer funct...

Page 21: ...mbol will appear on the bottom right hand sides of the remote control display when the LOCK function is activated 4 If you want to cancel LOCK function Press again LOCK button RESET Function When you press the recessed RESET button all current settings are cancelled and return to original factory settings The clock time 12 00 The mode displays AUTO The fan speed displays AUTO The temperature displ...

Page 22: ...shown in Pull the air in grill down at 45 and lift it up to take out the grill 3 Dismantle the air filter 4 Clean the air filter Vacuum cleaner or pure water may be used to clean the air filter If the dust accumulation is too heavy please use soft brush and mild detergent to clean it and dry out in cool place The air in side should face up when using vacuum cleaner The air in side should face down...

Page 23: ...rom outside 2 Clean outdoor coil from inside Blow air over electric parts 2 Check electric connection tightening 2 Clean fan wheel 2 Check fan tightening 2 1 Increase frequency in dusty zones 2 Operations to be carried out by qualified service personnel 10 CONSIDERATIONS AFTER OPERATIONAL SEASON AND BEFORE A LONG SHUTDOWN PERIOD OF AIR CONDITIONER Keep the indoor unit in operation for half a day i...

Page 24: ...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 air filters must be cleaned Restart the indoor unit in ventilation fan only mode and open windows to change the room air 5...

Page 25: ...ains or shades Signal transmission is obstructed by severe interference from an electromagnetic field Avoid sending signals when computers or household appliances Food processors coffee makers etc are operating close by cellular or cordless telephones may also interfere with the control Air conditioner will not start Main supply switch is OFF Switch to ON Fuses or main switch are blown Replace fus...

Page 26: ...e unit Unpleasant smells can be caused by substances accumulated in the air filter Switch the system OFF and contact an authorized service center to have the filters cleaned Restart unit in the ventilation fan only mode and open windows to change room air Strange noises coming from the unit Occasionally the unit can emit some strange short noises during operation or when it has stopped These are g...

Page 27: ...EED indicator LOW FAN SPEED FAN SPEED indicator MED FAN SPEED FAN SPEED indicator HIGH FAN SPEED ECO function indicator 9 LOCK function indicator 10 AUTO COOL DRY HEAT FAN TEMP SET CLOCK SET HOUR ON OFF FAN SPEED 2 4 7 6 1 5 8 10 3 9 Sky Casstte Split Systems Wireless Remote Control Display of Remote Control Display of Indoor Unit Temporary button OPERATION led TIMER function led Remote control si...

Page 28: ...sed the set temperature is increased by 1 C 3 FAN SPEED selection button Auto Low Medium High fan speed 4 ON OFF button 5 SWING function button 6 SWING function button This function not work with cassette but work with other type 7 AIR DIRECTION function button 8 ECO function button 9 CLOCK function button 10 TIMER ON function button 11 TIMER OFF function button 12 OK function button 13 C H functi...

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