CN20, CN34 SERIES
NON-SPRING RETURN DIRECT-COUPLED DAMPER ACTUATORS
FOR MODULATING AND FLOATING / 2-POSITION CONTROL
GENERAL
These direct-coupled damper actuators provide modulating
control for:
•
air dampers,
•
VAV units,
•
air handling units,
•
ventilation flaps,
•
louvers, and
•
reliable control for air damper applications with up to
2
4.6 m
/ 50 sq.ft. (20 Nm / 177 lb-in) or 7.8 m
(34 Nm / 300 lb-in) (seal-less dampers; air friction-
dependent).
FEATURES
•
Self-centering shaft adapter
•
Access cover to facilitate connectivity
•
Service/off for safe & easy servicing
•
Rotation direction selectable by switch
•
Declutch for manual adjustment
•
Mechanical end limits
•
Field-installable auxiliary switches
•
Mountable in any orientation (no IP54 if upside down)
•
Mechanical position indicator
•
CE and UL certified
® U.S. Registered Trademark
Copyright © 2008 Honeywell Inc. • All rights reserved
SPECIFICATIONS
Supply voltage
Nominal voltage
All values stated hereinafter apply to operation under
nominal voltage conditions.
Power consumption
CN7220A2007
CN7234A2008
Ambient limits
Ambient operating limits
Ambient storage limits
Relative humidity
Safety
Protection standard
Protection class
Overvoltage category
Lifetime
Full strokes
Repositions
Mounting
Round damper shaft
Square damper shaft
Shaft length
Control signal
Input impedance
2
/ 85 sq. ft.
Feedback signal
Limits
End switches (when included)
Rating
Triggering points
Torque rating
CN7220A2007
CN7234A2008
Runtime
Rotation stroke
Dimensions
Weight (without cables)
Noise rating
Certification
PRODUCT DATA
24 Vac/dc ±15%, 50/60 Hz;
24 Vac/dc, 50/60 Hz;
6 VA / 3 W
6 VA / 3 W
-20...+60 °C (-5...+140 °F)
-40...+80 °C (-40...+175 °F)
5...95%, non-condensing
IP54 as per EN 60529
II as per EN 60730-1
II
60000
1.5 million
10...27 mm (3/8...1-1/16")
10...18 mm (3/8...11/16");
45° steps
min. 22 mm (7/8")
0(2)...10 Vdc
0(4)...20 mA
>100 kΩ [0...10 V]
500 Ω [0...20 mA]
± 1 mA at 0...10 V
5 A (resistive) / 3 A (inductive)
5° / 85°
20 Nm (177 lb-in)
34 Nm (300 lb-in)
95 sec (60 Hz) / 110 sec (50 Hz
or DC supply)
95° ± 3°
see "Dimensions" on page 8
1.35 kg (3 lbs.)
40 dB(A) max. at 1 m
CE & UL
EN0B-0341CH33 R0803A