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Series 2000
Electronic Temperature Sensors
C7021B/C
C7023B/C
C7031B
C7041B/C
C7021R
C7023R
C7041R

APPLICATION

The Series 2000 C7021, C7023, C7031 and C7041 Electronic
Temperature Sensors are designed for use with electronic
controllers in domestic or commercial heating and cooling
systems.

FEATURES

• C7021D, C7023D, C7031D, C7041D for immersion
mounting sense water temperature.
• C7021F, C7023F, C7031G, C7041F sense outdoor air
temperature and are weatherproof for outdoor use
(knockouts allow for 1/2 in. conduit connection).
C7021D
C7023D
C7031D
C7041D
C7021J
C7023J
C7031J
C7041J
C7021F
C7023F
C7031G
C7041F
C7021K
C7023K
C7041K
• C7021J/R, C7023J/R, C7031J, C7041J/R sense average
duct air temperature.
• C7021B/C, C7023B/C, C7031B, C7041B/C sense duct
air temperature.
• C7021K, C7023K, C7041K with strap-on mounting
senses water temperature.
• C7021N, C7023N, C7041N probe senses water or air
temperature.
• C7021P, C7023P, C7041P senses air temperature.
• Solid state components not affected by dust or dirt.
Application......................................................................... 1
Features ............................................................................ 1
Specifications .................................................................... 2
Installation ......................................................................... 8
Wiring ................................................................................11
Operation and Checkout ...................................................11
PRODUCT DATA
C7021P
C7023P
C7041P
C7021N
C7023N
C7041N
Contents
63-2590-05

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Table of Contents

   Related Manuals for Honeywell 2000 Series

   Summary of Contents for Honeywell 2000 Series

  • Page 1: Table Of Contents

    Series 2000 Electronic Temperature Sensors PRODUCT DATA C7021B/C C7021D C7021P C7023B/C C7023D C7023P C7031B C7031D C7041P C7041B/C C7041D C7021F C7023F C7031G C7041F C7021N C7023N C7021J C7041N C7021R C7023J C7023R C7031J C7021K C7041R C7041J C7023K C7041K APPLICATION • C7021J/R, C7023J/R, C7031J, C7041J/R sense average duct air temperature.
  • 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 SERIES 2000 ELECTRONIC TEMPERATURE SENSORS Table 1. Sensor Selection and Application Guide Element Max Element Element Ambient Sensor Resistance Model Control Application Insertion Length Operating Range Temperature in Ohms Sensitivity -40° to 158°F C7023F Outdoor air (-40° to 70°C) C7023J Duct discharge air -40°...
  • Page 4 SERIES 2000 ELECTRONIC TEMPERATURE SENSORS Control sensitivity in ohms per degree F (per degree C) for element operating range. Order immersion well separately (50001774-001) Resistance increases as temperature increases. Use with T7350 Commercial Thermostat. Nonlinear resistance decreases as temperature increases. Not equipped with well;...
  • Page 5 SERIES 2000 ELECTRONIC TEMPERATURE SENSORS Sensor Resistance Table 2. Typical Resistance of Sensor Models. Typical Resistance (in ohms) C7021 Sensors C7023 Sensors C7031 Sensors C7041 Sensors (10K Ohm NTC Type II) (10K Ohm NTC Type III) (1097 Ohms PTC) (20K ohm NTC) At 41°F (5°C) 25,392 23,467...
  • Page 6 SERIES 2000 ELECTRONIC TEMPERATURE SENSORS 3-5/8 (91) 2-1/4 (57) 1 (25) (19) 8-5/16 (211) (127) M22132 (22) Fig. 4. C7031G, C7021F, C7023F, C7041F dimensions in in. (mm). 1-11/16 (43) 6-11/16 (170) 1-11/16 5 (127) 2-5/16 (43) (59) 1/2 NPSM (13) 4-3/16 (107) (70)
  • Page 7 SERIES 2000 ELECTRONIC TEMPERATURE SENSORS 1-11/16 (43) 1-13/16 7/16 (12) 3-7/8 (99) (46) 1-11/16 15/16 2-5/16 (43) (23) (59) 4-3/16 (107) (70) (19) 1/8 NPSM (3) DEPENDING ON THE MODEL, THE ELEMENT LENGTH IS EITHER 12 FT (366 CM) OR 24 FT (732 CM). M22818 Fig.
  • Page 8: Installation

    SERIES 2000 ELECTRONIC TEMPERATURE SENSORS PROBE 6 FT ± 6 IN (1829 ±152) 1 X Ø 1/32 (1) STRIP LENGTH 2X 1/4 (6) 2 ± 1/2 (51 ± 13) CONDUCTOR CABLE POTTING MATERIAL LEVEL 0.063 MAX. FROM TOP OF PROBE M33019 Fig.
  • Page 9 SERIES 2000 ELECTRONIC TEMPERATURE SENSORS C7021J, C7023J, C7031J, C7041J MOUNTING C7021R, C7023R, C7041R MOUNTING 1. Install two supports inside the duct to hold the averaging element. SENSOR SENSING ELEMENTS (4) 2. Cut a 7/8 in. (22 mm) hole in the side of the duct. 3.
  • Page 10 Mount the C7021D, C7023D, C7031D and C7041D into the Fig. 16. Strap-on mounting of C7021K, C7023K, C7041K well: Sensor. NOTE: Mounting using previously installed Honeywell NOTE: Insulation around the contact area increases sensor wells (part no.: 32005960-001) requires an accuracy.
  • Page 11: Wiring

    The C7041 Temperature Sensors are designed for use with Fig. 18. Mounting sensor in wall with nut only. XL500, XL100, XL50, XL15, XL10, and Honeywell LCBS Controllers or any controller requiring 20K ohm NTC non-linear input. As the temperature at the C7041 Sensor increases, the resistance of the sensor decreases, causing the controller to operate and offset the temperature change.
  • Page 12 SERIES 2000 ELECTRONIC TEMPERATURE SENSORS By using this Honeywell literature, you agree that Honeywell will have no liability for any damages arising out of your use or modification to, the literature. You will defend and indemnify Honeywell, its affiliates and subsidiaries, from and against any liability, cost, or damages, including attorneys’...

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