TYPICAL PIPING AND WIRING
ROOF-MOUNTING
CURB
SUPPLY-AIR
FLEXIBLE DUCT
CONCENTRIC DIFFUSER BOX
(FIELD-SUPPLIED)
TOP COVER
CEILING
RETURN
AIR
FROM
GAS LINE
*NEC - NATIONAL ELECTRICAL CODE
—19—
ROOF
RETURN-AIR
FLEXIBLE DUCT
C00023
INDOOR
THERMOSTAT
FROM
POWER
SOURCE
DISCONNECT
PER NEC*
C00022