7/28/2019 62d-5si

1/2

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53620015-01 Printed in U.S.A. Form 62D-5SI Pg 1 3-11 Replaces: 62D-2S

Installation Instructions

Part Numbers: CRRFCURB053A01, CRRFCURB054A01,CRRFCURB055A01, CRRFCURB056A01

PACKAGE USAGE

PACKAGE CONTENTS

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment canbe hazardous due to system pressure and electrical compo-nents. Only trained and qualified service personnel should

install, repair, or service air-conditioning equipment.

Untrained personnel can perform the basic maintenancefunctions of replacing filters. All other operations should beperformed by trained service personnel. When working onair-conditioning equipment, observe precautions in theliterature, tags and labels attached to the unit, and other safetyprecautions that may apply.

INSTALLATION

1. Before installing roof curb, ensure that curb is locatedso that proper clearances are maintained. Check uninameplate or unit installation instructions for correctclearances.

2. Cut hole in roof for duct openings. See Fig. 1 and 2 fodimensions. It is not necessary to cut out the entire area ofthe roof curb. If utility connections are to be madethrough the curb, cut out the access space near thelocation of the utility plate connector.

UNIT62DA,DB,DC,DD,DE,DF

PART NUMBERNOMINAL

HEIGHT (in.)

07-20CRRFCURB053A01 14

CRRFCURB054A01 24

22-38CRRFCURB055A01 14

CRRFCURB056A01 24

ITEM QUANTITY

Curb Frame Sides 2

Curb Frame Ends 2

Duct Supports 3

Utility Channel 1

Equipment Supports 2

Hardware Bag 1

Gasket 1

WARNING

To prevent injuries and rain damage, do not leave roofopening uncovered. If installation is not completed imme-diately after roof opening is cut and framed, provide anadequate temporary cover for the roof opening.

CURB ENDUTILITY

CHANNEL

CURB SIDE

EQUIPMENT SUPPORT

(SCREW 2 PARTS TOGETHER)

RETURN

B

LEGEND

24 1/2"

36 1/2"

20 1/2"

50 1/8"

41 3/4"

74 3/4"

Gasket

DUCT SUPPORT

DUCT SUPPORT

ASUPPLY

Fig. 1 Roof Curb Details (CRRFCURB053A01 and CRRFCURB054A01)

PART NO.CRRFCURB

DIMENSIONS (in.)

A B

053A01 14 8 1/2054A01 24 18 1/2

a62-459

62DA,DB,DC,DD,DE,DF07-38Roof Curb Accessory

7/28/2019 62d-5si

2/2

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53620015-01 Printed in U.S.A. Form 62D-5SI Pg 2 3-11 Replaces: 62D-2SI

Copyright 2011 Carrier Corporation

3. Frame the roof opening to provide proper and adequatestructural support.

4. Assemble the perimeter of the roof curb. Bring together acurb side and end. Insert the tabs into the slots as shownin Fig. 3. Press the pieces together so that the tab is lockedinto place. It may be necessary to lightly hammer or tostep on side to lock the parts in place. Repeat for othercurb side and ends until the outer perimeter is assembled.

5. Screw the utility channel into the curb side as shown inFig. 1 and 2.

6. Square up the roof curb (see Fig. 4) and position over theroof opening. Level the curb to maintain leveling toler-ance specified in unit instructions. Secure the roof curb tothe roof structure by welding or screwing in place.

7. Install the duct supports as shown in Fig. 1 and 2.

8. Install ductwork into curb. Duct will hang from top of

curb.

9. Screw the 2 equipment support frames together to formthe condenser end equipment support.

10. Locate equipment support per Fig. 1 or 2 and attach to theroof structure by welding or screwing in place.

11. Place gasketing around outer perimeter of curb andaround duct openings, as shown in Fig. 1, 2, and 5.

12. Weatherproof the roof curb, per Fig. 5 recommendationsor using the specific job requirements.

EQUIPMENT SUPPORT

(SCREW 2 PARTS TOGETHER)

CURB SIDERETURN

B

A

UTILITY CHANNEL

LEGEND

54 7/8"

37"

104 3/4"

24 1/2"

38 1/2"

Gasket

SUPPLY

DUCT SUPPORT

DUCT SUPPORT

Fig. 2 Roof Curb Details (CRRFCURB055A01 and CRRFCURB056A01)

PART NO.CRRFCURB

DIMENSIONS (in.)

A B

055A01 14 8 1/2056A01 24 18 1/2

a62-548

IMPORTANT: Ductwork must be installed beforeunit is placed on roof curb.

SIDE

END

Fig. 3 Corner Bracket Details

a62-461

CAUTION

Do not slide unit to position it when it is sitting on the curb.Curb gasketing material may be damaged and leaks mayresult.

D

B

C

A

FRAME ISSQUARE WHEN LENGTH FROM CORNER ATO B EQUAL TO LENGTH FROM CORNER C TO D

Fig. 4 Squaring Frame

a62-462

GASKET

NAILCOUNTER FLASHING

(FIELD SUPPLIED)ROOFING FELT

(FIELD SUPPLIED)

CANT STRIP(FIELD SUPPLIED)

ROOFING MATERIAL(FIELD SUPPLIED)

RIGID INSULATION(FIELD SUPPLIED)

Fig. 5 Gasket and Weatherproofing Detail

a62-463