Honeywell - TR21 - 20K Room Sensor Replaces T7770A1006

20 K ohm NTC non-linear Temperature Wall Module 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

Customer Rating: Not Rated Yet Quick Order Number: 358 Manufacturer: Honeywell Part Number: TR21/U Weight: 0.12 lbs Stocked Item*: Yes Quantity Available*: 10 Price: $22.88 Quantity: * If an order is placed where the item is a "Non-Stocked Item" or the quantity ordered is more than the quantity available, all items in stock will be shipped and the remainder of the items will be shipped as soon as we get the "backordered" items in.

Product Specifications

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 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