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The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2014 Johnson Controls, Inc.
www.johnsoncontrols.com
V–88
D-9502 Pneumatic Damper Actuator Positioner
Description
The D-9502 Pneumatic Damper Actuator
Positioners are precision relay devices used to
adjust and maintain damper actuators in exact
positions on those applications requiring
precise or otherwise special damper
positioning.
Refer to the D-9502 Pneumatic Damper
Actuator Positioner Product Bulletin
(LIT-1628399P) for important product
application information.
Features
provides dynamic stabilization and/or
sequential control
includes mounting bracket for direct
attachment to actuator body
Applications
The pneumatic damper actuator pilot
positioner provides dynamic stabilization
and/or sequential control of pneumatic
damper actuators. It is available factory
installed on D-4070, D-4073, D-3153, and
DS-3153 Damper Actuators. On D-3153
Series Actuators, a special positioner
mounting kit (D-9502-9) is available for
changing basic D-9502 positioner control to
two-stage operation.
Depending on the type of actuator used, up to
three additional actuators may be controlled
by a single positioner/actuator assembly; for
example, multiple actuators modulating large
or coupled dampers.
Repair Information
If the D-9502 Pneumatic Actuator Positioner
fails to operate within its specifications,
replace the unit. For a replacement positioner,
contact the nearest Johnson Controls®
representative.
Selection Charts
Accessories and Maintenance
Parts
D-9502 Pneumatic Damper Actuator
Positioner
Code
Number
Description
D-9502-5 D-3244 Actuator
D-9502-8 D-3153 Actuator
D-9502-9 D-3153 Actuator, Two-Stage
D-9502-12 D-4073 Actuator
Pilot Positioners for Obsolete Actuators
Code
Number
Description
D-9502-5 D-251 No. 5 Actuator or D-3246
Code
Number
Description Weight,
lb (kg)
D-9502-609 Spring for Use with
D-3153, D-3073, and
D-4073
0.8 (0.36)
D-9502-610 Spring for Use with D-3244 0.8 (0.36)
D-9502-611 Diaphragm Repair Kit,
Package Quantity of 6
0.8 (0.36)
D-9502-612 Spring for Use with D-3246 0.8 (0.36)
D-9502-604 Operating Span Lever Arm
Assembly
0.8 (0.36)
C-9506-1 Positioner Movement
Complete Less Springs
and Operating Span Lever
Arm Assembly
1.3 (0.59)
Code No. LIT-1921035
Technical Specifications
D-9502 Pneumatic Damper Actuator Positioner
Starting Point Adjustable from 2 to 12 psig (14 to 84 kPa)
Operating Span Adjustable from 3 to 13 psi (21 to 91 kPa)
Maximum Supply
Air Pressure
25 psig (175 kPa)
20 psig (140 kPa) for D-9504-13 only
Air supply must be clean, dry, and oil free.
Air Consumption 5 SCIM (1.4 mL/s)
Output Flow
Capacity
1,000 SCIM (273 mL/s)
1,600 SCIM (437 mL/s) D-9502-13 only
Air Connections Barbed fittings for 5/32 or 1/4 in. O.D. polytubing
Supply S and pilot P: barbed fittings for 5/32
or 1/4 in O.D. polytubing D-9502-13 only
Output O: compression fitting for 1/4 in. O.D. copper tubing D-9502-13 only
Ambient Operating
Conditions
-20 to 150°F (-29 to 66°C)
-20 to 250°F (-29 to 121°C) D-9502-13 only based on UL testing for 30 minutes and
should not be considered for continuous operation
Effective Diaphragm
Area
15 in
2
(97 cm
2
)
Materials Body - die cast aluminum with irradiate finish
Cover - Noryl® (D-9502-13 die cast zinc)
Diaphragm - fabric-reinforced rubber
Dimensions
(H x W x D)
2-1/4 x 3-7/8 x 2-23/32 in.
Shipping Weight,
lb (Kg)
2.0 (0.91)
Agency Listing UL Recognized component to 350°F (176°C) with compression fitting for copper
tubing File No. R15581
D-9502 Pneumatic
Damper Actuator Positioner
Pneumatic Damper Actuators
Pneumatic Damper
Actuators
Pneumatic Damper
Actuators