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Table 3 — Recommended Actuators
*Actuator is spring-return type.
NOTES:
1. All actuators are direct coupled type, designed to be directly
mounted into jackshaft assembly.
2. All actuators are equipped with a plenum rated cable, factory-
terminated to the actuator. Part No. HF27BB035 and 034 are
16 ft, HF27BB033 is 9.5 ft.
3. Damper areas are nominal and based on low leakage type
dampers.
4. For larger damper assemblies, multiple activators may be used.
5. Part No. HF27BB033 and 034 are designed for inlet guide vane
and face and bypass applications, but may be used for external
relief dampers if spring return is not required.
ACCESSORY
PACKAGE
NO.
ACTUATOR
PART NO.
VOLTAGE
(50/60 Hz)
VA
ROUND
SHAFT
SIZE
MIN-MAX
(in.)
TIMING
(sec)
DAMPER AREA
(sq ft)
TORQUE
(in.-lb)
MAXIMUM
STROKE
(degrees)
MAXIMUM
WIRE
LENGTH
(ft)
Parallel Opposed
33AMACTDMP133 HF27BJ035* 24 10 .750-1.050 150 44 53 133 90 300
33AMACTGV-133 HF27BJ033 24 4 .375- .625 < 150 N/A N/A 133 90 725
33AMACTGV-266 HF27BJ034 24 6 .475- .750 135 N/A N/A 266 90 450
NOTES:
1. Hand is determined by the location of the fan drive and/or coil connection when viewed while facing the direction toward which air is flowing.
2. Dimensions in ( ) are in millimeters.
DIMENSIONS (ft-in.)
Fig. 10 — Mixing Box Duct Connections
UNIT
39L-
A B C D E F G H J K L
03 2- 3
9
/
16
3-1
7
/
8
2-0
1
/
4
1- 5 1-5 0- 1
5
/
8
0-6
1
/
16
0-10
1
/
2
1-4
3
/
4
1-5
1
/
4
1- 5
1
/
4
06 2- 3
9
/
16
3-9
3
/
4
2-4
3
/
16
1-11 1-5 0- 4
1
/
8
0-6
1
/
16
0-11
3
/
8
1-8
11
/
16
2-1
1
/
4
1- 7
1
/
4
08 2- 3
9
/
16
4-1
11
/
16
2-8
1
/
8
3- 1 1-5 0- 6
1
/
16
0-6
1
/
16
0- 6
3
/
8
2-0
5
/
8
3-3
1
/
4
1- 7
1
/
4
10 2- 3
9
/
16
4-9
9
/
16
2-8
1
/
8
3- 5 1-5 0- 6
1
/
16
0-6
1
/
16
0- 8
5
/
16
2-0
5
/
8
3-7
1
/
4
1- 7
1
/
4
12 2- 3
9
/
16
5-5
7
/
16
2-8
1
/
8
3-11 1-5 0- 6
1
/
16
0-6
1
/
16
0- 9
1
/
4
2-0
5
/
8
4-1
1
/
4
1- 7
1
/
4
15 2- 3
9
/
16
5-5
7
/
16
3-4 3-11 1-9 0- 8 0-4
1
/
16
0- 9
1
/
4
2-8
1
/
2
4-1
1
/
4
1-11
1
/
4
18 2-11
7
/
16
5-5
7
/
16
3-7
15
/
16
3-11 2-3 0- 7 0-5 0- 9
1
/
4
3-0
7
/
16
4-1
1
/
4
2- 5
1
/
4
21 2-11
7
/
16
6-5
1
/
4
3-7
15
/
16
3-11 2-5 0- 6 0-4 1- 3
1
/
8
3-0
7
/
16
4-1
1
/
4
2- 7
1
/
4
25 2-11
7
/
16
6-5
1
/
4
4-3
13
/
16
5- 4 2-5 0- 9
7
/
8
0-4 0- 6
5
/
8
3-8
5
/
16
5-6
1
/
4
2- 7
1
/
4