Carrier Rooftop Unit 48LDT004

When servicing unit, shut off all electrical power to unit to avoid shock hazard or injury from rotating parts.

Clean or replace at start of each heating and cooling season, or more often if operating conditions require it.

When servicing unit, shut off all electrical power to unit to avoid shock hazard or injury from rotating parts.

Clean condenser coil annually, or as required by location or outdoor air conditions.

Fins are not continuous through coil sections.

Dirt and debris may pass through the first section, become trapped between the two rows of fins, and restrict condenser airflow.

Shine a flashlight through the coil to determine if dirt or debris has collected between coil sections.

2. Remove top panel screws on condenser end of unit.

Caution: When servicing unit, shut off all electrical power to unit to avoid shock hazard or injury from rotating parts.

Is the electrical power to the unit shut off?

OUTDOOR AIR INLET SCREENS (Downshot Units)

Clean screens with steam or hot water and a mild detergent.

Ensure no throwaway filters are used in place of screens.

Sign off on the cleaning of outdoor air inlet screens

Caution: When servicing unit, shut off all electrical power to unit to avoid shock hazard or injury from rotating parts.

Check and clean each year at start of cooling season.

In winter, keep drain and trap dry or protect against freeze-up.

Condensate drain checked and cleaned?

Was the drain and trap kept dry or protected against freeze-up during winter?

Sign off on the condensate drain check

Caution: When servicing unit, shut off all electrical power to unit to avoid shock hazard or injury from rotating parts.