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APPLICATION
The C7046 series of Air Temperature Sensors function as
primary and/or secondary sensors in electronic control
systems.
® U.S. Registered Trademark
© 2004 Honeywell International Inc.
All Rights Reserved
Air Temperature Sensors
FEATURES
• C7046A,C Sensors have probe lengths of 8 in.
(203 mm) and nominal sensor resistance of 3000 ohms
at 77°F (25°C).
• C7046B Sensor has probe length of 6 in. (152 mm) and
nominal sensor resistance of 22,800 ohms at 77°F (25°C).
• C7046D Sensor has probe length of 8 in. (203 mm) and
nominal sensor resistance of 1097 ohms at 77°F (25°C).
• Carbon type, negative temperature coefficient
(NTC) thermistor sensing element in the C7046A,B,C
and platinum thin film, positive temperature coefficient
(PTC) element in C7046D precisely measures
temperature changes.
• No settings or calibration required.
• Solid state components not affected by dust or dirt.
• Fast reacting.
• Rugged stainless steel insertion probe.
• Mounts on duct or plenum surface with mounting
flange or in a 2 in. by 4 in. (51 by 102 mm) junction box.
• C7046B can be used as a replacement for C7100B
Averaging Temperature Sensor where duct or plenum
cross section is less than 13 in. (330 mm).
Application ........................................................................
Features ...........................................................................
Specifications ...................................................................
Ordering Information ........................................................
Installation ........................................................................
Wiring ...............................................................................
Operation and Checkout ..................................................
C7046A,B,C,D
PRODUCT DATA
Contents
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Summary of Contents for Honeywell C7046A
- Page 1 C7046A,B,C,D Air Temperature Sensors PRODUCT DATA FEATURES • C7046A,C Sensors have probe lengths of 8 in. (203 mm) and nominal sensor resistance of 3000 ohms at 77°F (25°C). • C7046B Sensor has probe length of 6 in. (152 mm) and nominal sensor resistance of 22,800 ohms at 77°F (25°C).
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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 C7046A,B,C,D AIR TEMPERATURE SENSORS INSTALLATION When Installing this Product... 3. Using the flange as a template, mark and drill two holes in the junction box and the duct or plenum surface for 1. Read these instructions carefully. Failure to follow No.
- Page 4 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M17965 (HOT) M2825 Fig. 4. Connecting C7046A Air Temperature Sensor to a W973 Single Zone Logic Panel. Fig. 6. Connecting C7046D Air Temperature Sensor to Excel 500 Control System. 60-2350—8...
- Page 5 C7046A,B,C,D AIR TEMPERATURE SENSORS OPERATION AND CHECKOUT Operation 120000 The C7046A,B,C Air Temperature Sensors consist of a 100000 thermistor sensing element mounted in a tubular probe. They 22,800 OHMS AT are applied at various locations throughout single zone and 80000 77 F (25 C) multizone duct systems.
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- Page 8 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’...