2.13.4 SMOKE AND FIRE PROTECTION
LEGEND
D-1
OUTDOOR AIR DAMPER
AF
AFTER FILTER SECTION
D-2
RETURN AIR DAMPER
CC
COOLING COIL SECTION
D-3
RELIEF AIR DAMPER
DPS
DIFFUSION PLATE SECTION
SD-1
SA DUCT SMOKE DAMPER, see
MB
MIXING BOX
Note (a)
SD-2
RA DUCT SMOKE DAMPER. See
OA
OUTSIDE AIR
Note (a)
PF
PREFILTER SECTION
SDS
SA DUCT DETECTOR. See
F
Note (b)
SDB
BRANCH SA DUCT DETECTOR.
PHC
PREHEAT COIL SECTION
F
See Note (c)
SA
SUPPLY AIR
RA
RETURN AIR
SF
SUPPLY FAN
REA
RELIEF AIR
RF
RETURN FAN
Notes:
(a) These dampers are required for air handling units larger than 420
Cu M/Min (15,000 CFM) capacities and serving more than one floor.
(b) These duct detectors are required for all air-handling units larger
than 56 Cu M/Min (2,000 CFM) capacities.
(c) These duct detectors are required for all air-handling units larger
than 420 Cu/Min (15,000 CFM) capacities and serving more than one
floor.
HVAC DESIGN MANUAL
2-54
HVAC SYSTEMS AND EQUIPMENT
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