MODEL
AFS-222/AFS-222-112
AFS-262/AFS-262-112
AFS-460
SAMPLE MEDIA
Air
Air
Air
MOUNTING POSITION
Diaphragm in any vertical plane
Diaphragm in any vertical plane
Diaphragm in any vertical plane
FIELD ADJUSTABLE RANGE
.05, ±.02” w.c. to 12” w.c.
.05, ±.02” w.c. to 2” w.c.
.40, ±.06” w.c. to 12” w.c.
SWITCH DIFFERENTIAL
Progressive, increasing from
approximately .02± .01” w.c. at
minimum set point to approximately
0.8” w.c. at maximum set point.
Progressive, increasing from
approximately 0.02± 0.01” w.c. at
minimum set point to approximately
0.1” w.c. at maximum set point.
Progressive, increasing from
approximately .06± .01” w.c. at
minimum set point, to
approximately .8”w.c. at maximum
set point.
MAXIMUM PRESSURE
.5” (0.03 bar)
.5” (0.03 bar)
.5” (0.03 bar)
OPERATING TEMPERATURE RANGE
-40°C – 82.2°C (-40°F–180°F)
-40°C – 82.2°C (-40°F–180°F)
-40°C – 82.2°C (-40°F–180°F)
LIFE
100,000 cycles/min. at 5psi max
pressure each cycle and at max
electrical load.
100,000 cycles/min. at 5psi max
pressure each cycle and at max
electrical load.
600 cycles/min. at 5psi max pres-
sure each cycle and at max electrical
load.
ELECTRICAL RATING
300 va pilot duty at 115-277vac, 10
amp, non-inductive, 277 vac, 60Hz.
300 va pilot duty at 115-277vac, 10
amp, non-inductive, 277 vac, 60Hz.
300 va pilot duty at 115-277vac, 10
amp, non-inductive, 277 vac, 60Hz.
CONTACT ARRANGEMENT
SPDT
SPDT
SPDT
ELECTRICAL CONNECTIONS
Screw top terminals with cup wash-
ers
Screw top terminals with cup
washers
Screw top terminals with cup
washers
SAMPLE LINE CONNECTIONS
Ferrule and nut compression type
connectors that accept 6.35 mm
(.25”) OD rigid tubing or 1/4“
barbed fittings (-112) that accept
flexible tubing.
Ferrule and nut compression type
connectors that accept 6.35 mm
(.25”) OD rigid tubing or 1/4“
barbed fittings (-112) that accept
flexible tubing.
Ferrule and nut compression type
connectors that accept 6.35 mm
(.25”) OD rigid tubing.
AUTOMATIC/MANUAL RESET
Automatic
Automatic
Manual
APPROVALS
UL and CSA
UL and CSA
UL and CSA
Specifications
Dimensions
Alarm or Control
C
C
NO
NC
NC
NO
Alarm
Control
Control
Alarm
To prove excessive airflow or pressure
To prove insufficient airflow or pressure
01/07/09
