S-Series Technical Manual 9 Cambridge Engineering, Inc.
CURB / RAIL / STAND DETAIL
RAIN HOOD
ADJUSTABLE MOUNTING STAND
DO NOT CAULK
THIS JOINT
EXTERNAL GAS TRAIN WITH ENCLOSURE
ELECTRICAL JUNCTION BOX
(APPLICABLE TO SOME FM AND XL GAPS OPTIONS)
FM: FACTORY MUTUAL
XL GAPS: FORMERLY IRI (INDUSTRIAL RISK INSURERS)
NOTE:
ELECTRICAL CONTROL ENCLOSURE
(PROVIDED WITH EXTERNAL GAS TRAIN)
MOUNTING RAIL
FILTER SECTION
UNIT
DOWNTURN
(OPTIONAL)
COUNTERFLASHING
MOUNTING CURB
DISCHARGE DUCT
DIRECTIONAL
ELBOWS
TYPICAL INSTALLATION
ROOF TOP MOUNTING
10½"
12"
2 X 4 TREATED LUMBER
(PROVIDED)
2 X 6 TREATED LUMBER
(BY OTHERS)
TREATED LUMBER
(BY OTHERS)
ROOF
TREATED LUMBER
(BY OTHERS)
OPENING
24"
TREATED LUMBER (THICKNESS OF ROOF INSULATION) AS
REQUIRED UNDER MOUNTING STANDS AND CURB TO SECURE
AND LEVEL THE UNIT AND TO SPREAD THE LOAD. (BY OTHERS)
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