Product Overview

Technical Instructions POWERS™ Controls No. 4 Pneumatic Damper Actuator
Document Number 155-032P25
October 10, 2005
Page 2 Siemens Building Technologies, Inc.
Warning/Caution Notations
WARNING:
Personal injury, or loss of life may occur if you do not
follow a procedure as specified.
CAUTION:
Equipment damage, or loss of data may occur if you do
not follow a procedure as specified.
Table 1. Product Numbers for No. 4 Pneumatic Damper Actuator.
Product Numbers
Nominal Spring Range
Description
Mounting Style
3-7 psi
(21-48 kPa)
3-13 psi
(21-90 kPa)
5-10 psi
(35-69 kPa)
8-13 psi
(55-90 kPa)
2-3, 8-13 psi
(14-21, 55-90 kPa)
Hesitation Model
Actuator, mounting screws
(non-pivot)
Front 331-2910 — 331-2917 331-2963 —
Actuator, bracket
(non-pivot) 3-inch stroke
for unit ventilator
Fixed 331-2911 — 331-2934 331-2966 331-2927
Actuator, bracket
(non-pivot) 2-3/8 inch
stroke for unit ventilator
Fixed — — — — 331-2974
Actuator, mounting plate,
ball joint connector
Fixed 331-3015 331-3018 331-3016 331-3017 331-3019
Actuator, mounting plate,
ball joint connector with
positioning relay
Fixed — — — 332-3017 —
Actuator, integral pivot Pivot 331-2904
1
331-2905
1
331-2906
1
331-2961
1
331-2909
1
Actuator, integral pivot,
clevis and clevis pin for
use with frame mounting
accessory
Pivot 331-2929 331-2930 331-2931 331-2968 —
Actuator, integral pivot with
pivot post
2
Universal Kit 331-3000 331-3001 331-3002 331-2973
1
331-3004
Actuator, integral pivot with
pivot post and positioning
relay
2
Universal Kit with
Positioning Relay
— — — 332-2973 —
1
UL Recognized Components for Fire/Smoke Applications.
2
Mounted on plate for extended shaft with clevis and crank for 3/8-inch (10-mm), 7/16-inch (11-mm), or 1/2-inch
(13-mm) diameter shaft. Parts for frame mounting (blade drive) included with kit.
NOTE: When the actuator is ordered with universal mounting, the mounting plate, pivot post and hardware, clevis,
damper crank, and all screws/nuts are included. Order other frame mounting accessories as required, if not
supplied by damper manufacturer.