Carrier Packaged and Dedicated Outdoor Air Units 50HC

Warning: This procedure requires trained personnel with PPE!

Enter the distance between the motor shaft and the blower shaft

Set the tension gauge to the desired tension

Is the large O-ring at the bottom of the straightedge?

Is the belt tension adjusted as needed?

Sign off on the belt tension check

Install field-fabricated ductwork inside curb

Install accessory thru-base service connection package

Prepare bottom condensate drain connection to suit planned condensate line routing

Install condensate line trap and piping

NOTE: If the power exhaust accessory is to be installed on the unit, the hood shipped with the unit will not be used and must be discarded. Save the aluminum filter for use in the power exhaust hood assembly.

Indoor coil access panel removed

Hood sides inserted under the panel and attached

Shipping tape holding the economizer barometric relief damper removed

Hood divider inserted between the hood sides and secured

Post that separates the filters attached

Aluminum filters inserted into the bottom filter rack and locked into place

Two rain deflectors installed on the edge of the hood top

Ends of the joint between the unit top panel and the hood top caulked

Warning: Be careful not to damage any wiring during the procedure.

Hood located in the return air compartment?

Upload a photo of the filter access panel before removal

Upload a photo of the two plastic tie-wraps before cutting

Two plastic tie-wraps located and cut without damaging any wiring?

Upload a photo of the hood assembly lifted through the filter access opening

Hood assembly lifted through the filter access opening?

Enter the steps followed in Economizer Hood and Two-Position Hood on page 12

Check and tighten the bottom condensate drain connection plug

Convert unit to side duct connection arrangement

Install field-fabricated ductwork at unit duct openings

Install condensate line trap and piping