Mammoth Roof Curb 150-180, 555617 - 555620 Installation guide

Mammoth
Brand
Mammoth
Model
Roof Curb 150-180, 555617 - 555620
Type
Installation guide
INSTALLATION INSTRUCTIONS FOR
555617 / 555618 / 555619 / 555620
ROOF CURBS USED WITH GR4GM 150/180 UNITS
This Roof Curb is NRCA approved and is constructed of 18 gauge galvanized steel with a full perimeter 2" x 4" wood nailer
strip. The curb is designed to be used with the Cooling, Gas Electric, and Heat Pump Models. The curb is shipped with the
following parts, as shown in Figure 2:
Step 2:
Layout the curb pieces before assembly to insure that all the necessary pieces are included.
1) 2 ea. Curb Short Sides - 70
9
16
" Long (A)
2) 2 ea. Curb Long Sides -77 ½" Long (B)
3) 1 ea. Condensor Pans - 74 x 15
3
16
" (C)
4) 1 ea. Condensor Pans - 74 x 13
5
16
" (D)
5) 1 ea. Hardware Package Includes:
4 ea. "Hinge" Pins
3
16
"
10 ea. Hex Washers screws #10 x ½"
6) 3 ea. Gasket ¾" x 1 ¼" x 14' (28 ft. total)
U.S. PATENT 5148647
INSTALLATION
INSTRUCTIONS
(B)
(A)
(B)
(A)
Fig ure 1
Fig ure 2
(C)
(D)
FORM# 643B-0808 (643B-0504)
Step 1:
Curb Package is shown as shipped with easy to identify part numbers on all sides. Cut shipping bands and remove
Hardware, Gasket, and 2 Condensor Pans.
INSTALLATION INSTRUCTIONS FOR
555617 / 555618 / 555619 / 555620
ROOF CURBS USED WITH GR4GM 150/180 UNITS
INSTALLATION
INSTRUCTIONS
1.
Duct Support flange goes in slot on
curb. Screw Brace to curb.
Brace inter-locks
with curb.
Step 4:
After the four corners are assembled; the curb should be checked to be sure it is in "square". Do this by measuring
diagonally from each opposite corner see Figure 5. The two measurements should be the same for each direction.
Step 3:
Corner Assembly: Align each curb side as shown in Figure 3. Using a hammer, drive the curb "hinge" pin down until the
top of the pin is below the top of the curb as shown in Figure 4.
DETAILS
2.
Duct Support flange goes in slot on
pan or other brace. Screw brace
together.
Brace inter-locks
with pan or other
brace.
3.
Tab rests on top of curb for
added support.
Duct Support is supported by "tabs".
Screw pan to curb.
HINGE
Fig ure 5
Fig ure 4
Fig ure 3
HINGE PIN
TAPERED END
CURB SIDE
INSTALLATION INSTRUCTIONS FOR
555617 / 555618 / 555619 / 555620
ROOF CURBS USED WITH GR4GM 150/180 UNITS
Note:
Condenser Pans can be lo cated on ei ther end de pend ing on in di vid ual ap pli ca tions.
INSTALLATION
INSTRUCTIONS
Fig ure 6
NORDYNE PART# RSI PART# A
555617 47-201-1008 8
555618 47-201-1014 14
555619 47-201-1018 18
555620 47-201-1024 24
*A
Step 5:
Install the condenser pan (C) as shown with opening over the desired duct location as shown in Figure 6.
Step 6:
Install the condenser pan (D) as shown in Figure 6.
Step 7:
If the curb is being assembled and moved to another location, attach the condenser pans as shown in "Details".
Step 8:
Place the ¾" x 1 ¼" Gasket on all of the top edges of the roof curb, including the condenser pans.
21
SUPPLY
RETURN
17
1
2
13
5
16
15
3
16
77
1
2
74
67
1
16
70
9
16
1
3
4
DUCT SIZES ARE:
Return 68 ½ x 17 ¼
Supply 73 ½ x 20 ½
ROOF OPENING:
74" Long
55" Wide
(C)
(D)
SHIFT RETURN DUCT TO
CLEAR FOR POWER ENTRY
INSTALLATION INSTRUCTIONS FOR
555617 / 555618 / 555619 / 555620
ROOF CURBS USED WITH GR4GM 150/180 UNITS
NEICRB10
SUPERSEDES 10-18-05
AUGUST 26, 2008
INSTALLATION
INSTRUCTIONS
CURB FRAME
CANT STRIP
(FIELD SUP PLIED)
WOOD NAILER
COUNTER FLASH ING
(FIELD SUP PLIED)
ROOF ING FELT
(FIELD SUP PLIED)
RIGID IN SU LA TION
ROOF IN STRUC TIONS
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Mammoth Roof Curb 150-180, 555617 - 555620 Installation guide

Mammoth
Brand
Mammoth
Model
Roof Curb 150-180, 555617 - 555620
Type
Installation guide
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