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> Temperature Sensors > TR20 Series
TR21-A
10 K ohm NTC non-linear Temperature Wall Module (for averaging only)
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Product Specifications
Overview
The TR21, TR22, TR23, and TR24 are a family of direct wired wall
modules for use with Honeywell Excel 600, 500, 100, and 80
controllers; Excel 10 W7750, W7751A, W7752, and W7753 controllers;
W7761 Controller; and Spyder Unitary Controllers. All models have a
space temperature sensor.
Features
o Models available with user selectable setpoint adjustment dials in
Fahrenheit, Celsius and Relative Scales
o Models available with occupied/unoccupied override (bypass) with
LED
o Models available with 3-position (auto/0/1) or 5-position
(auto/0/1/2/3 speed) fan switch
o LONWORKS network jack on all models except the TR21 and TR21-A
models
o Models available with on board humidity sensor, humidity output:
0-10Vdc, 0-5 Vdc, 4-20ma selectable
Product Specifications Back To Top
Description 10 K ohm NTC non-linear Temperature Wall Module (for
averaging only)
Application For use only when averaging multiple sensors
Sensor Type Unique 10K ohm non-linear, two 20Ks in parallel
Color White
Mounting Mounted on a standard 2 x 4 inch junction box or on a 60 mm
diameter junction box.
Operating Humidity Range (% RH) 5 to 95% RH, non-condensing
Operating Temperature Range (F) 45 F to 99 F
Operating Temperature Range (C) 7 C to 37 C
Shipping Temperature Range (F) -40 F to +150 F
Shipping Temperature Range (C) -40 C to +65 C
Dimensions (in.) 4 13/16 in. high x 3 in. wide x 7/8 in. deep
Dimensions (mm) 122mm high x 76.5 mm wide x 22 mm deep
Approvals, Underwriters Laboratories Inc UL94 plastic enclosure
Approvals, Federal Communications Commission FCC Part 15, Class B
Approvals, CE Approved
Comments Special 10K ohm for use only when averaging multiple sensors,
can also be used with T7350, TB8220 Thermostats
Used With Spyder, Excel 600, 500, 100, 80 and Excel 10, 15 Series
Controllers
Network Jack None
Welcome
Category: SUPPLIER DIRECTORY => HONEYWELL, INC
February 2009
> Temperature Sensors > TR20 Series
Commercial Building Controls : Sensors : Wall Modules : TR20 Series : TR21-A/U
10 K ohm NTC non-linear Temperature Wall Module for Averaging only
Overview
The TR21, TR22, TR23, and TR24 are a family of direct wired wall modules for use with Honeywell Excel 600, 500, 100, and 80 controllers; Excel 10 W7750, W7751A, W7752, and W7753 controllers; W7761 Controller; and Spyder Unitary Controllers.
Features
- Models available with user selectable setpoint adjustment dials in Fahrenheit, Celsius and Relative Scales
- Models available with occupied/unoccupied override (bypass) with LED
- Models available with 3-position (auto/0/1) or 5-position (auto/0/1/2/3 speed) fan switch
- LONWORKS network jack on all models except the TR21 and TR21-A models
- Models available with on board humidity sensor, humidity output: 0-10Vdc, 0-5 Vdc, 4-20ma selectable
Product Specifications
- Application
- For use only when averaging multiple sensors
- Dimensions (in.)
- 4 13/16 in. high x 3 in. wide x 7/8 in. deep
- Dimensions (mm)
- 122mm high x 76.5 mm wide x 22 mm deep
- Used With
- Spyder, Excel 600, 500, 100, 80 and Excel 10, 15 Series Controllers
- Comments
- Special 10K ohm for use only when averaging multiple sensors, can also be used with T7350, TB8220 Thermostats
- Item Type
- Product
- Mounting
- Mounted on a standard 2 x 4 inch junction box or on a 60 mm diameter junction box.
- Approvals, Underwriters Laboratories Inc.
- UL94 plastic enclosure
- Operating Humidity Range (% RH)
- 5 to 95% RH, non-condensing
- Sensor
- Unique 10K ohm non-linear, two 20Ks in parallel
- Setpoint Temperature Range (C)
- 13 C to 30 C
- Setpoint Temperature Range (F)
- 55 F to 85 F
- Operating Temperature Range (F)
- 45 F to 99 F
- Operating Temperature Range (C)
- 7 C to 37 C
- Shipping and Storage Temperature Range (F)
- -40 F to +150 F
- Shipping and Storage Temperature Range (C)
- -40 C to +65 C
- Approvals, Federal Communications Commission
- FCC Part 15, Class B
- Approvals, CE
- Approved
- Network Communications
- None
- Color
- White
