Honeywell N20- Manual
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Table of Contents:
- Page 2 – Fig. 2. Setting units and control elements; Contents of Package; XX
- Page 3 – Feedback Signal and Manual Adjustment; Power Off/On Behavior; Autoadapt Dip Switch for Normal Operation
- Page 4 – Voltage/Current Control Signal Selection Dip Switch; Position Indication; Limitation of Rotation Stroke; INSTALLATION; IMPORTANT; Mounting Instructions
- Page 5 – Wiring; Access cover; Fig. 12. Actuator with access cover removed
- Page 6 – Wiring Diagrams; MODULATING CONTROL; connecting cable; MODULATING
- Page 8 – Automation and Control Solutions; Honeywell International Inc.; DIMENSIONS
PRODUCT DATA
63-2587-1
N20, N34 Series MN7220, MN7234
NON-SPRING RETURN DAMPER ACTUATOR
20/34 Nm (175/300 lb-in) FOR MODULATING CONTROL
GENERAL
These direct-coupled damper actuators provide modulating
control for:
• rotary valves,
• air handling units,
• ventilation flaps,
• louvers, and
• reliable control for air damper applications with up to 50
sq.ft. (20 Nm / 175 lb-in) or 85 sq. 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 (MN7220 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
24 Vac
±
20%, 50/60 Hz;
24 Vdc -10...+20%
Nominal voltage
24 Vac, 50/60 Hz; 24 Vdc
All values stated hereinafter apply to operation under
nominal voltage conditions.
Power consumption
MN7220
6 VA / 6 W
MN7234
8 VA / 6 W
Ambient limits
Ambient operating limits
-5...+140 °F (-20...+60
°
C)
Ambient storage limits
-40...+175 °F (-40...+80
°
C)
Relative humidity
5...95%, non-condensing
Safety
Protection standard
IP54 (non-USA models)
NEMA2 (USA models)
Protection class
II as per EN 60730-1
Overvoltage category
II
Lifetime
Full strokes
60000
Repositions
1.5 million
Mounting
Round damper shaft
3/8...1-1/16” (10...27 mm)
Square damper shaft
3/8...11/16” (10...18 mm);
45° steps
Shaft length
min. 7/8” (22 mm)
Control signal
0(2)...10 Vdc
0(4)...20 mA
Input impedance
100 k
Ω
[0...10 V]
500
Ω
m [0...20 mA]
Feedback signal
Limits
±
1 mA at 0...10 V
Auxiliary switch (when included)
Rating
5 A (resistive) / 3 A (inductive)
Triggering points
5
°
/ 85
°
Torque rating
MN7220
175 lb-in (20 Nm)
MN7234
300 lb-in (34 Nm)
Runtime
95 sec (60 Hz) / 110 sec (50 Hz)
Rotation stroke
95
°
±
3
°
Dimensions
see “Dimensions” on page 8
Weight
3 lbs. (1.35 kg)
Noise rating
40 dB(A) max. at 1 m
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Summary
N20, N34 SERIES MN7220, MN7234 63-2587—1 2 ORDERING INFORMATION When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further informat...
N20, N34 SERIES MN7220, MN7234 3 63-2587—1 Rotary Movement The control signal and the corresponding rotation direction (clockwise or counterclockwise) can be selected using the rotation direction switch (see part Rotation direction switch in Fig. 2), thus eliminating the need to re-wire. To ensure t...
N20, N34 SERIES MN7220, MN7234 63-2587—1 4 Voltage/Current Control Signal Selection Dip Switch In its default shipping position, the voltage/current control signal dip switch (see Fig. 4) is set to OFF (= voltage control). as shown in Fig. 4. Setting it to ON results in current control. Position Ind...
