Carrier 38MVQ, 40MVC, 38MVC, 40MVQ owner manual CLEANING, Maintenance and Troubleshooting

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CLEANING, MAINTENANCE AND TROUBLESHOOTING

!CAUTION

ELECTRICAL SHOCK HAZARD

Failure to follow this caution may result in personal injury or death.

Always turn off power to the system before performing any cleaning or maintenance to the system. Turn off the outdoor disconnect switch located near outdoor unit. Be sure to disconnect indoor unit if on a separate switch

!CAUTION

EQUIPMENT DAMAGE HAZARD

Failure to follow this caution may result in equipment damage.

When cleaning the front panel, do not use water hotter than 105_F (40.56_C) and do not pour water onto the fan coil. Do not use abrasive or petroleum based cleaners as they may damage the front panel.

!CAUTION

EQUIPMENT DAMAGE/OPERATION HAZARD

Failure to follow this caution may result in equipment damage or improper unit operation.

Operating the system with dirty air filters may damage the indoor unit and could cause reduced cooling performance, intermittent system operation, frost build-up on indoor coil or blown fuses.

Periodic Maintenance

Periodic maintenance is recommended to ensure proper operation of the unit. Recommended maintenance intervals may vary depending on the installation environment, e.g., dusty zones, etc. Refer to Table 1.

!CAUTION

CUT HAZARD

Failure to follow this caution may result in personal injury. The coil fins are very sharp. Use caution when cleaning. Always wear safety protection.

Cleaning the Coil

Clean the coil at the beginning of each cooling season, or when necessary. Use a vacuum cleaner or a long-bristle brush to avoid damage to the coil fins.

Air Filters

Remove and clean the air filters once a month.

NOTE: If air filters show signs of excessive wear or are torn, they must be replaced. Contact your local dealer for replacement filters.

1.Open front panel on unit.

2.Pull filters down to remove.

3.Vacuum filters.

4.Clean with warm water.

5.Shake filter to remove excess water and dry thoroughly.

6.Replace filter by sliding into rack until filter snaps in place.

7.Close front panel on unit.

Indoor Unit Front Panel

To clean the front panel on the indoor unit, wipe the outside with a soft, dry cloth. If necessary, a mild liquid detergent can be applied and wiped off with a dry cloth.

Preparing for Extended Shutdown Period

Clean the filters and reposition them in the unit. Operate the unit in Fan only mode for 12 hours to dry all internal parts.

Turn main power supply off and remove batteries from the remote control.

System Operation Recommendations

The items outlined in the following list will help to assure proper system operation:

SReplace both remote control batteries at the same time.

SPoint the remote control toward the unit display panel when transmitting a command.

SKeep doors and windows closed while unit is operating.

SContact an authorized service representative if a problem arises that cannot be easily resolved.

SDo not perform cleaning or maintenance activities while unit is on.

SKeep display panel on unit away from direct sunlight and heat as this may interfere with remote control transmissions.

SDo not block air intakes and outlets on the indoor or outdoor units.

Energy Saving Recommendations

The following recommendations will add greater efficiency to the ductfree system:

SSelect a comfortable thermostat setting and leave it at chosen setting. Avoid continually raising and lowering the setting.

SKeep unit filter clean. Frequent cleaning may be necessary de- pending on indoor air quality.

SUse drapes, curtains or shades to keep direct sunlight from heating room on very hot days.

SDo not obstruct air intake on front panel.

STurn on air conditioning before indoor air becomes too un- comfortable.

Troubleshooting

Refer to Table 2 before contacting your local dealer.

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Contents 38MVC/40MVC 38MVQ/40MVQ General Safety PrecautionsRemote Control Part NamesIndoor/Outdoor Unit Timer Unit Display PanelsOperation Battery Installation Remote ControlEquipment Damage Hazard Unit Operation HazardSelecting an Operating Mode Remote Control FunctionsSetting the Room Temperature Set Point Emergency OperationTimer on only Timer FunctionTimer OFF only Selecting the Fan SpeedSleep Mode Timer on and Timer OFFTurbo Mode Resetting the Remote ControlCLEANING, Maintenance and Troubleshooting Troubleshooting Periodic Maintenance
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40MVQ, 40MVC, 38MVQ, 38MVC specifications

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