Roofcurb Assembly Curb Assembly

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tCP ICP accessories simplify and minimize installation procedures on rooftop applications. Read these instructions carefully before beginning.

Roofcurb

Corner

A_emblv |

ILL. #1

Assembly

1. Remove roofcurb from it's shipping package. ,

Curb side

Bring together one curb end and one curb side as shown in ILL. 1. Insert curb end tabs into slots on curb side. Push down until tab locks in place. It may be necessary to firmly step on top of the curb.

Curb end

4. For safety sake, if you are going to lift this curb after it is assembled, hammer over each corner tab to the side. Supply opening (11"X 16 1/2"-clear)

44 _/ " -16

5. Install (2)long supports and (1) short support into roofcurb. Attach through pre-punched holes. (ILL. 2) 6. Install deck pan into curb with insulation side up. Screw in place through pre-punched holes. Roofcurb

NO_

_

NPRCURBOO6AOO

8"

NPRCURBOO7AOO

14"

Side

Return opening (11"X 16 1/2"-clear)

Curb

Assembly ILL. # 2

N/A

24"

Manufacturer reserves the right to discontinue, or change at any time, specifications, designs and prices without notice and without incurring obligations. Form No. 5049-1P Copyright MicroMetl Corporation 2007. All rights reserved. 519 06 1501 O0

Roof

Onenino I

Detail II

ILL. #3

Roof opening for supply duct Roof opening for return duct

* Roof opening dimensions shown are for standard ductwork. If concentric duct is used, adjust per manufacturers instructions.

Outline of roofcurb

Roofino

Detail I

ILL. #4 ,

Care must be exercised

when deter-

HVAC Unit Base

mining location of HVAC unit. The unit must cross enough roof supports to safely distribute system weight. (Refer to HVAC unit specs for weights.) ,

,

Screw (NOTE A) *Gasketing outer flange

Cut roof opening per dimensions above, ILL. 3. Note: some special concentric duct system may require larger openings. Refer to duct instructions.

-Wood nailer* Flashing field su

Duct work field supplied

Cant strip field supplied Base

Screw

\

/

Roof

* Provided with roofcurb

NOTE A: The HVAC unit can be

Ontional

mechanically attached to the curb by screwing through the base and into the curb (ILL. #4).

Hold-down

=

Bracket Roofcurb --

11. Optional. The (4) optional retainer brackets are installed in each corner of the base. Screw in place. to detail.

Insulation (field supplied)

Roofing material field supplied

Square up roofcurb assembly by measuring diagonally across corners, and set in place over roof openings.

10. Insulate and add cant strip to the roofcurb, ILL.4. The roofing must extend up to the top of the curb and be secured under flashing. Follow applicable roofing codes.

flanges*

(4) Retainer bracket (optional) screw

Refer 2 519 06 1501 00

Detail

12 Manufacture supply and return duct work per ILL 5 Internally insulate Top flange of duct should be 7/,, maximum (ILL 5) -8

///////

./,-//.///./

2/

/ / / /

13 After duct gasketing roofcurb perimeter

work has been installed, attach (provided) to the outer flanges of Also install gasketing around top of duct work, ILL 4 & 6

/

R/A

S/A

/

_Gasketaround-_ duct

/ /

/2

"

/

14. Carefully set HVAC unit in place on top of the curb.

Insulated deck pan

G_asket outer

Ga_ketina

Detail

flange

I

10

Duct

Placement ILL. # 5

(Top view) ILL. # 6

3/4''-_

typ.

I 16"V4"typ.

duct

Return duct

Roofcurb

10 3/-4 "

10

Roof I,/\/\/\/\/\/\/\/\/\/\/\

Side 3 519 06 1501 00

,4

View ILL. # 7

A-A

3/4''

_

1"

,

,

Remove and discard the insulated deck pan and the short support shipped with the roofcurb. (Refer to ILL. 2 for part identification.) Attach the flex duct to the concentric adaptor. Tape and screw together. Drop the adaptor down through the curb openings. Gasket top flages of concentric adaptor.

,

Set the diffuser in place and secure from the building structure. Use hanging brackets for support. NOTE: Do not attempt to support the weight of the diffuser from the flex duct.

,

Connect the flex duct to the diffuser collars. Tape and screw together. Air

0817-5704 Concentric

Adaptor adaptor

MicroMetl Return

0570 Series

curb or factory NPRFCURB007A00

Adaptor

Curb

0904-0004 flex duct package (2) 18" dia. x 48" long ducts

See diffuser selection for Part No.'s

brackets (4)

3/4"

23 3/4"

DIFFUSER SELECTION Flush Mount, Fixed Blade

1017-200A

Drop Type

1018-200A

Manufacturer reserves the right to discontinue, or change at any time, specifications, designs and prices without notice and without incurring obligations. Form No. 5049-1P Copyright MicroMetl Corporation 2007. All rights reserved. 519 06 1501 00