Honeywell TR21 20 K ohm NTC non-linear Temperature Wall Module Model HONEYWELL TR21 20K OHM REMOTE TEMPERATURE SENSOR WALL MODULE HONEYWELL TR21-A 10K OHM NTC ROOM TEMPERATURE SENSOR WALL MODULE (LESS NETWORK JACK FOR USE WITH T7350) Note Ordering lead time 12~14 Weeks 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 Wall Module Networked Sensor 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; Also used with the T7350 and 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 20 K ohm NTC non-linear 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
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