Rheem B180CL25E, Руководство по установке, Страница: 15 / 60

15
NEVER ALLOW PRODUCTS OF COMBUSTION OR THE FLUE PRODUCTS TO
ENTER THE RETURN AIR DUCTWORK, OR THE CIRCULATING AIR SUPPLY.
ALL RETURN DUCTWORK MUST BE ADEQUATELY SEALED AND SECURED
TO THE FURNACE WITH SHEET METAL SCREWS, AND JOINTS TAPED. ALL
OTHER DUCT JOINTS MUST BE SECURED WITH APPROVED CONNECTIONS
AND SEALED AIRTIGHT.
FAILURE TO PREVENT PRODUCTS OF COMBUSTION FROM BEING CIRCULAT-
ED INTO THE LIVING SPACE CAN CREATE POTENTIALLY HAZARDOUS CONDI-
TIONS, INCLUDING CARBON MONOXIDE POISONING THAT COULD RESULT IN
PERSONAL INJURY OR DEATH.
WARNING
RETURN AIR
!
ST-A1125-25
32% 27% 16% 24%
CORNER WEIGHTS MEASURED AT BASE OF UNIT.
ST-A1125-25
FIGURE 14
LIFTING DETAIL
ROOFCURBS (FULL PERIMETER)
• Rheem’s new roofcurb designs can be utilized on 15, 20
and 25 ton models [52.8, 70.3 & 87.9kw] models
• One available height (14” [356mm])
• Quick assembly corners for simple and fast assembly.
• 1” [25.4mm] x 4” [102 mm] Nailer provided.
• Insulating panels not required because of insulated
outdoor basepan.
• Sealing gasket (28’ [8535 mm]) provided with roofcurb.
• Packaged for easy field assembly.
TYPICAL INSTALLATION
ROOFCURB ASSEMBLY
ROOFCURB
[ ] Designates Metric Conversions
GASKET
INSTALL GASKET
DUCT FLANGE NOT
TO EXCEED
1” [25 mm]
TO EXCEED 1” [25.4mm]
RETURN DUCT
50-3/4” X 22” [1289 x 559 mm] MAX
SUPPLY DUCT
42” X 23-3/4” [1089 X 603 mm] MAX
UNIT
CAULK ALL JOINTS
WATERTIGHT
NAILING STRIP
ST-A1125-14
RETURN
SUPPLY
80-1/2”
[2045 mm]
REF.
30-3/4”
[781 mm]
REF.
22”
[559 mm]
REF.
9-1/2”
[241 mm]
REF.
42”
[1067 mm]
REF.
120”
[3048 mm]
REF.
51”
[ 1295 mm]
REF.
23-3/4”
[603 mm]
REF..
50-3/4”
[1289 mm]
REF.
24”
[610 mm]
REF..
76-3/4”
[ 1950 mm]
REF.
1-7/8”
[48 mm]
TYP.
1-7/8”
[48 mm]
TYP.
ROOFCURBS (FULL PERIMETER)
• Rheem’s new roofcurb designs can be utilized on 15, 20
and 25 ton models [52.8, 70.3 & 87.9kw] models
• One available height (14” [356mm])
• Quick assembly corners for simple and fast assembly.
• 1” [25.4mm] x 4” [102 mm] Nailer provided.
• Insulating panels not required because of insulated
outdoor basepan.
• Sealing gasket (28’ [8535 mm]) provided with roofcurb.
• Packaged for easy field assembly.
TYPICAL INSTALLATION
ROOFCURB ASSEMBLY
ROOFCURB
[ ] Designates Metric Conversions
GASKET
INSTALL GASKET
DUCT FLANGE NOT
TO EXCEED
1” [25 mm]
TO EXCEED 1” [25.4mm]
RETURN DUCT
50-3/4” X 22” [1289 x 559 mm] MAX
SUPPLY DUCT
42” X 23-3/4” [1089 X 603 mm] MAX
UNIT
CAULK ALL JOINTS
WATERTIGHT
NAILING STRIP
ST-A1125-14
RETURN
SUPPLY
80-1/2”
[2045 mm]
REF.
30-3/4”
[781 mm]
REF.
22”
[559 mm]
REF.
9-1/2”
[241 mm]
REF.
42”
[1067 mm]
REF.
120”
[3048 mm]
REF.
51”
[ 1295 mm]
REF.
23-3/4”
[603 mm]
REF..
50-3/4”
[1289 mm]
REF.
24”
[610 mm]
REF..
76-3/4”
[ 1950 mm]
REF.
1-7/8”
[48 mm]
TYP.
1-7/8”
[48 mm]
TYP.
ST-A1125-14
FIGURE 15
ROOFCURB
UNIT BASE FRAME
ROOFTOP UNIT
ROOFCURB
ROOF FLASHING
ROOFING
CANT STRIP
ROOF DECK
INSULATION
INSULATION
DUCT
NAILER STRIP
GASKET
ST-A0888-02
FIGURE 16
ROOFCURB