Honeywell CN34 Series, Product Data

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CN20, CN34 SERIES DAMPER ACTUATOR FOR MODULATING AND FLOATING CONTROL
EN0B-0341CH33 R0803A 2
MODELS
Model # Description
CN7220A2007
20Nm,24Vac/Vdc, Modulating and floating/2-position control, Non-Spring return, Voltage Feedback
Signal and without aux. Switch
CN7234A2008
34Nm,24Vac/Vdc, Modulating and floating/2-position control, Non-Spring return, Voltage Feedback
Signal and without aux. Switch
PRODUCT IDENTIFICATION SYSTEM
C
– Direct Coupled Actuator
N
– Fail Safe Function (Non-Spring Return)
61
– 24V Floating/2-position Control
72
– 24V Modulating and Floating/2-position Control
46
– 230V Floating/2-position Control
20
– 20 Nm (177 lb-in)
34
– 34 Nm (300 lb-in)
A
– Standard Model
1
– No Feedback
2
– Voltage Feedback Signal
0
– No Internal Auxiliary Switches
2
– Two Internal Auxiliary Switches
XX
– System Controlled Numbers
C N 72 20 A 2 0 XX
Fig.1. Product Identification System
OPERATION / FUNCTIONS
Legend for Fig.2:
1 Self-centering shaft adapter
2 Retainer clip
3 Rotational angle scales (0...90° / 90...0°)
4 Mechanical end limits
5 Declutch button
6 Anti-rotation bracket
7 Function Selection Switch
8 Access cover
Contents of Package
The delivery package includes the actuator itself, parts 1
through 8 (see Fig.2), the anti-rotation bracket screws, and
installation instruction.
RUN MODES
The function selection switch (see Fig 3) is used to place the
actuator into any one of five different modes:
•
2-10V, modulating control; floating/2-position control, cw
run
•
0-10V/Dir, modulating control; floating/2-position control,
cw run
•
Service/Off, actuator stop running
•
10-0V/Rev, modulating control; floating/2-position control,
ccw run
1
2
3
4
5
6
7 8
Fig. 2. Setting units and control elements