Honeywell Pneumatic Controls User Manual

Damper Actuator
82 customer.honeywell.com 70-6925
MP920 Pneumatic Damper Actuator
Provides proportional control of large dampers in HVAC systems
or inlet vanes on a VAV fan. Positive positioner available
separately. Replacement devices are available for Robertshaw
actuator models.
• Rolling diaphragm operated.
• Fail safe on over pressure.
• Actuator can be swivel mounted from either end to pipe, floor, or wall
surface.
• Optional positive positioner provides accurate positioning under
varying load conditions.
Dimensions in inches (millimeters)
MP920B Typical Piping
Actuator Type: Damper
Fail Safe Mode: Spring Return
Actuator Force: High
Air Connections: Barbed fitting for 1/4 in. O.D. plastic tubing
Temperature Range:
-20 F to +158 F (-30 C to +70 C)
Maximum Operating Pressure: 29 psi (200 kPa)
Humidity Range: 5 to 95% RH
Accessories:
14004062-001 External Trunnion Mounting Bracket
14004241-002 Hitch Pin (Six Sets)
14004345-001 Positive Positioner Kit, 10 psi feedback spring
AK3556 Pipe Mounting Assembly for 1-1/4 in. pipe
AK3557 Short Clevis Bag Assembly for 3/8-16 threaded rod
AK3558 Swivel Bracket Bag Assembly
AK3559 Long Clevis Bag Assembly with actuator shaft coupling for 5/8-
11 threaded rod
AK3560 Balljoint, 3/8-24 threaded stud with couplings for 5/8-11
threaded rod and actuator shaft
AK3561 Balljoint, 3/8-24 threaded stud with couplings for 3/8-16
threaded rod
1
(30)
11-7/32 (285)
M18809
4 (100)
6-3/16
(157)
8-1/4
(210)
MP920B
M5578
VAV FAN
FROM
CONTROLLER
Product Number
Diaphragm Effective
Area Spring Range Stroke
Includessq in. sq cm (psi) (kPa) (inch) (mm)
MP920B1002 24.8 sq in. 160 sq cm 7.25 psi to 13 psi 50 kPa to 90 kPa 6 in. 150 mm
Actuator only. No Bracket. Order positive
positioner, mounting and connecting
hardware separately. See Installation
Instructions form no. 95-6053

Honeywell Pneumatic Controls Specifications

General

Brand	Honeywell
Model	Pneumatic Controls
Category	Controller
Language	English