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Honeywell N20 Series Product Data
Honeywell N20 Series Product Data

Honeywell N20 Series Product Data

Non-spring return damper actuator 20/34 nm 177/300 lb-in for modulating control
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N20, N34 SERIES
NON-SPRING RETURN DAMPER ACTUATOR
20/34 Nm (177/300 lb-in) FOR MODULATING CONTROL
GENERAL
These direct-coupled damper actuators provide modulating
control for:
Air dampers
VAV units
Air handlers
Ventilation flaps
Louvers, and
Reliable control for air damper applications with up to
2
4.6m
/ 50 sq.ft. (20 Nm / 177 lb-in) or 7.8m
ft. (34 Nm / 300 lb-in)(seal- less damper blades; air
friction-dependent)
FEATURES
New self-centering shaft adapter
Access cover to facilitate connectivity
Declutch for manual adjustment
Mechanical end limits (CN7220 only)
Field-installable auxiliary switches
Rotation direction selectable by switch
Mountable in any orientation (no IP54 if upside down)
Mechanical position indicator
SPECIFICATIONS
Supply voltage
Nominal voltage
All values stated hereinafter apply to operation under
nominal voltage conditions.
Power consumption
CN7220
CN7234
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.
Feedback signal
Limits
Torque rating
CN7220
CN7234
Runtime
Rotation stroke
Dimensions
Weight
Noise rating
1
PRODUCT DATA
24 Vac ±20%, 50/60 Hz;
24 Vdc -10...+20%
24 Vac, 50/60 Hz; 24 Vdc
6 VA / 6 W
8 VA / 6 W
-20...+60 ℃ (-5...+140 °F)
-40...+80 ℃ (-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 Ωm [0...20 mA]
± 1 mA at 0...10 V
20 Nm (177 lb-in)
34 Nm (300 lb-in)
95 sec (60 Hz) / 110 sec (50 Hz)
95°± 3°
see "Dimensions" on page 6
1.35 kg (3 lbs.)
40 dB(A) max. at 1 m
CN0B-0341CH33 R0407

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Summary of Contents for Honeywell N20 Series

  • Page 1 N20, N34 SERIES NON-SPRING RETURN DAMPER ACTUATOR 20/34 Nm (177/300 lb-in) FOR MODULATING CONTROL PRODUCT DATA SPECIFICATIONS 24 Vac ±20%, 50/60 Hz; Supply voltage 24 Vdc -10...+20% 24 Vac, 50/60 Hz; 24 Vdc Nominal voltage All values stated hereinafter apply to operation under nominal voltage conditions.
  • Page 2: Operation Functions

    Catalog or price sheets for complete ordering number. If you have additional questions, need further information, or would like to comment on our products or services, please write or phone your local Honeywell Automation and Control Products Sales Office or Honeywell Customer Care. CN0B-0341CH33 R0407...
  • Page 3: Dip Switches

    N20, N34 SERIES CN7220, CN7234 Rotation Direction Switch Autoadapt Dip Switch for Normal Operation In its default shipping position, the autoadapt dip switch for normal operation is set to ON as shown in Fig. 4. Dip switches (view with PCB at bottom)4. If it is set to OFF, no autoadapting is performed, and the control signal map remains constant.
  • Page 4: Manual Adjustment

    N20, N34 SERIES CN7220, CN7234 Manual Adjustment INSTALLATION IMPORTANT These actuators are designed for single-point mounting. In order to prevent equipment damage, you must IMPORTANT remove power before manual adjustment. In order to prevent equipment damage, you must remove power or set the rotation direction switch to After removing power, the gear train can be disengaged using the “Service/Off”...
  • Page 5: Modulating Control

    N20, N34 SERIES CN7220, CN7234 Wiring Wiring Diagrams Access cover CN7220/CN7234 To facilitate wiring the actuator to the controller, the access cover can be detached from the actuator. 24 Vac 24 Vdc IMPORTANT Remove power before detaching the access cover. Once the access cover has been removed, please take care to avoid damaging any of the parts now 0(2)...10 Vdc...
  • Page 6 N20, N34 SERIES CN7220, CN7234 Dimensions Automation and Control Solutions Honeywell International Inc. Honeywell (Tianjin) Limited 1985 Douglas Drive North 66, BaiHe Road, TEDA Golden Valley, MN 55422 Tianjin, 300457,P.R.C. Printed in China. on recycled paper containing at least 10% post-consumer paper fibers.

This manual is also suitable for:

Cn7220a2007Cn7234a2008N34 series