Carrier Ceiling-Suspended Fan Coil Unit 38HDR-5-018

Open the Unit and Clean Fins Inside

Remove Dust From Electrical Parts

Check Electrical Connections are Tight

Check that Outdoor Fan Assembly is Tight

NOTE: Maintenance procedures for the outdoor units are in the individual unit installation instructions.

WARNING! Some metal parts and sharp fins of outdoor unit coil can cause personal injury during cleaning. Clean coil carefully.

Remove any dirt or obstruction from discharge opening

Use a garden hose to spray water on the coil

Direct the water spray between coil fins to flush out debris

Place a plastic sheet on the floor to catch any water that may spill from drain pan.

Remove the intake grille and distribution assembly (attached).

Remove the condensate water in the drain pan by letting water drain into a 3-gallon bucket.

Remove the 4 screws holding the drain pan.

Carefully hold the drain pan to remove it from the assembly.

Check the flow by pouring water into the drain.

Outdoor Unit Inspection and Cleaning

Clean or replace the air filters in the indoor unit

Clean the indoor unit drain pan

Clean the indoor unit drain pipe

Remove any obstructions from the drain pipe

Condensate Drainage System Check

Remove grille and frame from the unit

Insert a water bottle into the fan coil unit and fill drain pan

Is water flowing steadily from the drain pan?

If water is not flowing steadily, describe the issue with pipe slope or restrictions

Ensure all wiring connections are correct and tight

Check that all barriers, covers, and panels are in place

Ensure filters and return-air grilles are installed and discharge louvers are positioned correctly

Complete the Start-Up Checklist on page CL-1