Carrier HUMCCLFP1025-A specifications → ÐValve and Media Assembly for HUMCCWTR2019-A

	GASKET	FLOAT
			PIN
		ARM		RETAINER
				BEARING
	1⁄2 IN. LONG		VALVE BODY
	SCREW	VALVE SEAT		WASHER
1⁄4 IN. BLUNT	SUPPORT
POINT SCREW
	BRACKET
(LEFT HAND INSTALLATION SHOWN)		FLOAT VALVE ASSEMBLY		REINSTALLING MEDIA ASSEMBLY

A98370

→Fig. 15ÐValve and Media Assembly for HUMCCWTR2019-A--

Step 3ÐPrepare Plenum Opening (See Fig. 2.)

1. Use template for marking humidifier opening.

→6. Level unit and attach support bracket to unit using 1/4-in. blunt point screw. Attach other end of support bracket to duct by drilling a hole and using remaining 1/4-in. long screw.

BYPASS UNITS

"N" COIL

DRILL (2) HOLES

IN DUCT

FOR #8 SHEETMETAL

SCREWS

VERTICALHORIZONTAL

A98369

→Fig. 14ÐInstallation of HUMCCWTR2019-A-- Water Saver Humidifier

2.Tape in place on plenum making sure template is level.

IMPORTANT: For humidifier to operate properly it must be level and mounted on a vertical surface.

3.Drill four 1/8-in. holes in plenum.

4.Cut opening in plenum using heavy solid lines on template as a guide.

Step 4ÐMount the Humidifier

7.Re-install water pan and drain plug. Re-attach float arm to valve body by aligning holes in both parts and re-inserting pin.

NOTE: Pin may be re-inserted from either direction.

8.Re-install media assembly. Ensure that square shaft of media assembly is located inside mating opening of motor coupling. Ensure that bearing washer is located on interior side of bearing retainer. (See Fig. 15.)

→Step 5ÐInstall Bypass Duct

Attach field-supplied 6-in. diameter duct, elbow, or starting collar with field-supplied 1/4-in. zip screws. Install supplied 6-in. damper in 6-in. duct connector.

IMPORTANT: On systems with central cooling, the damper should be closed during cooling season to prevent bypass air.

Do not support weight of duct from humidifier Ð damage could result.

Step 6ÐInstall Drain Line

1.Use 1/2-in. ID field-supplied vinyl tubing or equivalent tubing to connect overflow drain connection on unit water pan to drain. (See Fig. 16.)

2.Use worm drain clamp to hold tubing in position over overflow drain connection.

IMPORTANT: Make sure that line is free of traps due to sagging and has sufficient pitch to drain.

3. Unit must be level to provide proper drainage.

Supply or return plenum mounting:

1.Remove unit access door by turning 2 pawl latches 1/2 turn and pulling door forward.

1⁄4″

2.Determine whether unit is to be used for right- or left-hand installation and apply gasket tape (supplied) to unit flange intended to seat against duct.

3.Remove media assembly from cabinet by lifting bearing end of assembly out of bearing retainer and pulling assembly toward outlet duct, thus disengaging media from motor. Remove media through unit access opening.

4.Remove pin from float assembly and remove float and arm. Remove drain plug and water pan.

NOTE: Water pan must be tilted for removal.

5.Mount unit to duct using pre-drilled holes and four 1/2-in. long screws found in parts bag.

OVERFLOW TUBE DRAIN PLUG

A96013

Fig. 16ÐWater Level in HUMCCWTR2019-A--

Step 7ÐMake Water Connection

1.Mount saddle valve on cold water line according to local codes.

2.For plastic tube installations: run 1/4-in. OD tubing (supplied) from saddle valve to float valve. Prepare tubing ends with plastic compression sleeves and brass inserts, and tighten

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