TS-902X0-85X Series • • ™ TAC MicroFlo II ® TAC MicroZone II Room Temperature Sensors The room temperature sensors for the TAC MICROFLO II™ and TAC MICROZONE II® product families provide the benefits of high accuracy industry standard thermistors along with the following standard features: setpoint adjuster, push button override, UL-approval for mounting directly in supply air plenums and a communications jack for connection of the TAC Personal System Interface. • High accuracy, stabilized electronic sensors removes the need to recalibrate over time. The room temperature sensors are provided with a contemporary look and come in a • Accurate temperature sensors provide sensor variety of cover configurations. The sensors can be mounted on a standard 2x4 handy inter–changeability without recalibration. box, directly to a wall, or to a DIN style junction box. • Contemporary construction provides an attractive look for the most modern facilities. • Compatibility with 2x4 handy boxes and DIN Table-1 Specifications. junction boxes provide mounting flexibility. • Cover options provide custom tailored Setpoint Push Button Sensing Communications Part Number features and appearance. Adjustment Override Element Jack • Integral setpoint allows tenant control of TS-90220-850 No No their own environment. • Push button override capabilities provide Thermistor TS-90230-850 No tenant overrides to and from the occupied 10K ohms mode for after hours operation. RJ-12 with 11 K 55 °F to • RJ-12 communications jack allows interface TS-90250-850 Yes ohms shunt 85 °F between the TAC Personal System Interface (PSI) and the TAC MICROFLO 10 °C to TS-90250-852 II/ MICROZONE II controller for device 30 °C monitoring setup and editing. • Mounting within air plenums is assured through UL-934G listing. • Tamper resistant cover deters unauthorized personnel from accessing wiring. • Easily accessible RJ-12 jack allows easy plug-in of TAC Personal System Interface. • Proper ventilation guarantees sensor will respond quickly to the varying zone conditions. SPECiFiCATiONS Temperature Sensing Element: Sensor, 2 wires OPTiONS Resistance, Thermistor, 10,000 ohms AT-1155 Plastic Guard Setpoint, 2 wires at 77°F (25°C) +/- .36°F (+/- 0.2°C) AT-1163 Wire Guard (requires shunted with an 11K ohm 0.1%resistor RJ-12 Communications Jack, 4 wires AT-504) Maximum Drift Over Time, +/-0.045°F PSi, 1 wire (+/- 0.025°C) per year Mounting Locations: Resistance Range, See Table 2 NEMA type 1 only. 5’ from floor in a location representative of the zone Setpoint Adjuster: temperature free from drafts and direct Adjustment Range, 55°F to 85°F or sunlight 10°C to 30°C 100K ohm Slider shunted with an 1.01K ohm 0.1% resistor Enclosure Cover: Shadow white plastic AMBiENT LiMiTS: Temperature, Dimensions: Shipping and Storage 40°F to 160°F 4-3/16 H x 3-1/4 W x 1-31/64 D in. (-40°C to 71°C) (122 x 83 x 38 mm) Operating 40°F to 140°F (4°C to 60°C) Humidity, 5 to 95% RH, non-condensing Field terminations: Coded screw terminals. 18 to 24 AWG, copper conductors only Table-2 Temperature Vs Resistance. Temperature Nominal Resistance Values °F (°C) (in 1000 ohms) 40 (4) 7.596 50 (10) 6.938 68 (20) 5.798 77 (25) 5.238 86 (30) 4.696 104 (40) 3.707 122 (50) 2.875 140 (60) 2.206 Copyright © 2006, TAC TAC All brand names, trademarks and registered trademarks are 1354 Clifford Avenue the property of their respective owners. Information contained PO Box 2940 within this document is subject to change without notice. Loves Park, IL 61132-2940 All rights reserved. www.tac.com F-24316-2