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Honeywell C7232A Product Data

Carbon dioxide sensor
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C7232A,B Sensor and Controller
CARBON DIOXIDE SENSOR
C7232A
APPLICATION
The C7232 Sensor and Controller is a stand-alone carbon
dioxide (CO
) sensor for use in determining ventilation
2
necessity with HVAC controllers. The C7232 measures the
CO
concentration in the ventilated space or duct. The C7232
2
is used in ventilation and air conditioning systems to control
the amount of fresh outdoor air supplied to maintain
acceptable levels of CO
in the space.
2
C7232B
FEATURES
• Used for CO
based ventilation control.
2
• Models available with LCD that provides sensor
readings and status information.
• Non-Dispersion-Infrared (NDIR) technology used to
measure carbon dioxide gas.
• Device provides voltage or current output based on
CO
levels.
2
• Models available with SPST relay output.
• Automatic Background Calibration (ABC) algorithm
based on long-term evaluation reduces required
typical zero-drift check maintenance.
Application ........................................................................
Features ...........................................................................
Specifications ...................................................................
Ordering Information ........................................................
Installation ........................................................................
Wiring ...............................................................................
Checkout ..........................................................................
Appendix ..........................................................................
PRODUCT DATA
Contents
1
1
2
2
3
4
5
6
63-2571-12

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  Summary of Contents for Honeywell C7232A

  • Page 1 C7232A,B Sensor and Controller CARBON DIOXIDE SENSOR PRODUCT DATA FEATURES • Used for CO based ventilation control. • Models available with LCD that provides sensor readings and status information. • Non-Dispersion-Infrared (NDIR) technology used to measure carbon dioxide gas. • Device provides voltage or current output based on levels.
  • Page 2: Specifications

    If you have additional questions, need further information, or would like to comment on our products or services, please write or phone: 1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory). 2. Honeywell Customer Care...
  • Page 3: Installation

    This sensor is not for use in highly corrosive environ- ments. C7232A Cover Removal/Replacement C7232A Cover Removal (see Fig. 3) 1. Remove button head socket cap screw and set it aside. 2. Insert the head of a small screwdriver into the slot at the center and near the top of the cover.
  • Page 4: Wiring

    24 Vac Class 2. NO. 6 SCREW 2. All wiring must comply with applicable local codes, M17542 ordinances and regulations. Fig. 4. Junction box mounting (C7232A). Table 1. C7232 Wiring Connections (see Fig. 6). Duct Mounting (see Fig. 5) Wire Color Designation Function 1.
  • Page 5: Checkout

    C7232A,B SENSOR AND CONTROLLER Input Signal NOTES: — Jumper sensors are shown on the sticker on the The C7232 Sensors have an adjustable range. These ranges inside of the cover. are determined by the SW1 and SW2 jumper settings (see —...
  • Page 6: Appendix

    C7232A,B SENSOR AND CONTROLLER APPENDIX IMPORTANT This page is only for models with date code prior to 0309. Pre 0309 Date Code Jumper Settings Input Signal Table 7. Output Signal Jumper Settings for models with date code prior to 0309.
  • Page 7 C7232A,B SENSOR AND CONTROLLER 63-2571—12...
  • Page 8 C7232A,B SENSOR AND CONTROLLER Automation and Control Solutions Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 Honeywell Limited-Honeywell Limitée 35 Dynamic Drive ® U.S. Registered Trademark Toronto, Ontario M1V 4Z9 © 2011 Honeywell International Inc. 63-2571—12 M.S. Rev. 03-11 customer.honeywell.com...

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