United Technologies Carrier 42QHB026N8 Owner'S Manual Download Page 11

 Page 11 

Ca

re and 

Maintenance

Air Filter Reminders (Optional)

Air Filter Cleaning Reminder

After 240 hours of use, the display window on 

the indoor unit will flash “CL.” This is a reminder 

to clean your filter. After 15 seconds, the unit will 

revert to its previous display.

To reset the reminder, press the 

LED 

button 

on your remote control 4 times, or press the

MANUAL CONTROL 

button 3 times. If you don’t  

reset the reminder, the “CL” indicator will flash 

again when you restart the unit.

Air Filter Replacement Reminder

After 2,880 hours of use, the display window on 

the indoor unit will flash “nF.” This is a reminder 

to replace your filter. After 15 seconds, the unit 

will revert to its previous display.

To reset the reminder, press the 

LED 

button

 

on your remote control 4 times, or press the

MANUAL CONTROL 

button 3 times. If you don’t  

reset the reminder, the “nF” indicator will flash 

again when you restart the unit.

Maintenance – 

 

Long Periods of Non-Use

If you plan not to use your air conditioner for an 

extended period of time, do the following:

Clean all filters

Turn on FAN function until 

unit dries out completely

Turn off  the unit and               
disconnect the power 

 

Remove batteries  

from remote control

Maintenance – 

 

Pre-Season Inspection

After long periods of non-use, or before periods 

of frequent use, do the following:

Check for damaged wires

Clean all filters

Check for leaks

Replace batteries

Make sure nothing is blocking all air inlets and outlets

 CAUTION

• 

Before changing the filter or cleaning, 

turn off the unit and disconnect its power 

supply.

• 

When removing filter, do not touch metal 

parts in the unit. The sharp metal edges can 

cut you.

• 

Do not use water to clean the inside of the 

indoor unit. This can destroy insulation and 

cause electrical shock.

• 

Do not expose filter to direct sunlight when 

drying. This can shrink the filter.

 CAUTION

• 

Any maintenance and cleaning of outdoor 
unit should be performed by an authorized 
dealer or a licensed service provider.

• 

Any unit repairs should be performed 
by an authorized dealer or a licensed 

service provider.

Summary of Contents for Carrier 42QHB026N8

Page 1: ...N8 38QHB026N8 42QHB035N8 38QHB035N8 42QHB050N8 38QHB050N8 42QHB070N8 38QHB070N8 42QHB090N8 38QHB090N8 IMPORTANT NOTE Read this manual carefully before installing or operating your new air conditioning...

Page 2: ...the following options Dispose of the appliance at designated municipal electronic waste collection facility When buying a new appliance the retailer will take back the old appliance free of charge Th...

Page 3: ...lved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision EN Standard requirements WARNINGS FOR PRODUCT USE If an abnormal situati...

Page 4: ...indows open or if the humidity is very high Note about Fluorinated Gasses 1 This air conditioning unit contains fluorinated greenhouse gasses For specific information on the type of gas and the amount...

Page 5: ...operation mode some units Under COOL and DRY mode it displays as cool colour Under HEAT mode it displays as warm colour when Wireless Control feature is activated some units for 3 seconds when TIMER...

Page 6: ...dicators describing below are available for the air conditioner you purchased Please check the indoor display window of the unit you purchased for 3 seconds when TIMER ON is set FRESH SWING TURBO SILE...

Page 7: ...when you are ready to go to sleep When in COOL mode the unit will increase the temperature by 1 C 2 F after 1 hour and will increase an additional 1 C 2 F after another hour When in HEAT mode the uni...

Page 8: ...p cooling systems To further optimize the performance of your unit do the following Keep doors and windows closed Limit energy usage by using TIMER ON and TIMER OFF functions Do not block air inlets o...

Page 9: ...ers in or near the blower and suction side of the unit The high speed fan inside the unit may cause injury Fig B Fig A Setting Angle of Air Flow Setting horizontal angle of air flow To operate your un...

Page 10: ...to direct sunlight 8 When dry re clip the air freshening filter to the larger filter then slide it back into the indoor unit 9 Close the front panel of the indoor unit Filter Tabs Remove air fresheni...

Page 11: ...ng Periods of Non Use If you plan not to use your air conditioner for an extended period of time do the following Clean all filters Turn on FAN function until unit dries out completely Turn off the un...

Page 12: ...emperature fluctuates again The indoor unit emits white mist In humid regions a large temperature difference between the room s air and the conditioned air can cause white mist Both the indoor and out...

Page 13: ...nt operating mode Dust is emitted from either the indoor or outdoor unit The unit may accumulate dust during extended periods of non use which will be emitted when the unit is turned on This can be mi...

Page 14: ...or outlet of either unit is blocked Turn the unit off remove the obstruction and turn it back on Doors and windows are open Make sure that all doors and windows are closed while operating the unit Exc...

Page 15: ...anostat to regulate the voltage Poor heating performance The outdoor temperature is extremely low Use auxiliary heating device Cold air is entering through doors and windows Make sure that all doors a...

Page 16: ...pdates to the manual will be uploaded to the service website please check product improvement Consult with the sales agency or manufacturer for details The design and specifications are subject to cha...

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