4-way Air Discharge Cassette Type

Owner’s Manual

12.MAINTENANCE

WARNING

Cleaning the air filter and other parts of the air filter involves dangerous work in high places, so be sure to have a service person to do it.

Do not attempt to do it by yourself.

To avoid the possibility of electric shock, 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.

Operating the system with dirty filters may damage the indoor unit and could cause reduced cooling performance.

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 below.

Periodic Maintenance

INDOOR UNIT

EVERY MONTH

EVERY 4 MONTHS

EVERY YEAR

Clean Air Filter*1

1

 

 

Clean Drain Pan

 

1

 

Clean indoor heat exchanger*2

 

 

1

Clean fan*2

 

 

1

Change Remote Control Batteries

 

 

1

OUTDOOR UNIT

EVERY MONTH

EVERY 4 MONTHS

EVERY YEAR

Clean Outdoor heat exchanger from Outside

 

1

 

Clean Outdoor heat exchanger from Inside*2

 

 

1

Blow Air Over Electric Parts*2

 

 

1

Check Electric Connection Tightening*2

 

 

1

Clean Fan Wheel*2

 

 

1

Check Fan Tightening*2

 

 

1

Clean Drain Pans*2

 

 

1

*1: Increase frequency in dusty zones.

*2: Maintenance to be carried out by qualified service personal.

REQUIREMENT

Be sure to clean the heat exchanger with pressurized water.

If a commercially available detergent (strong alkaline or acid) cleaning agent is used, the surface treatment of the heat exchanger will be marred, which may degrade the self cleaning performance.

For further details, contact the dealer.

Replacing antibacterial glass

Request your dealer to replace the antibacterial glass every 10000 hours of cooling operation.

Part code

43179152

 

 

Antibacterial glass

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Toshiba RAV-SP300UT-UL, RAV-SP420UT-UL, RAV-SP240UT-UL owner manual Periodic Maintenance, Replacing antibacterial glass