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Building Automation Controls Catalog 2006 - Trane

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TEMPERATURE<br />

32<br />

TEMPERATURE<br />

DUCT, IMMERSION, OSA, THERMISTOR AND RTD SENSORS<br />

US * , OSA * SERIES<br />

DIMENSIONS<br />

in<br />

(cm)<br />

2.3<br />

(5.84)<br />

1/8" NPT<br />

0.25<br />

(0.63)<br />

3.25 (8.26)<br />

2.5 (6.35)<br />

0.88 (2.24)<br />

4.87<br />

(12.38)<br />

Mounting<br />

Tabs<br />

US*<br />

Multipurpose<br />

Duct and Immersion Sensor<br />

Removeable<br />

Sensor Cover<br />

1.30 (3.30)<br />

1/2" Conduit Hole*<br />

(face down)<br />

Mounting Box<br />

ORDERING INFORMATION<br />

3.20 (8.12)<br />

4.10 (10.4)<br />

2.50 (6.35)<br />

3.30<br />

(8.38)<br />

OSA*<br />

Outside Air Sensor<br />

MODEL DESCRIPTION<br />

US Universal-mount sensor, duct and immersion (order wells separately)<br />

OSA OSA sensor<br />

THERMISTOR SENSOR TYPE<br />

3 10,000Ω thermistor @ 77°F (25°C), Type III material<br />

21 2,252Ω thermistor @ 77°F (25°C), Type II material<br />

22 3,000Ω thermistor @ 77°F (25°C), Type II material<br />

24 10,000Ω thermistor @ 77°F (25°C), Type II material<br />

27 100,000Ω thermistor @ 77°F (25°C), Type II material<br />

42 20,000Ω thermistor @ 77°F (25°C), Type IV material<br />

81 100Ω RTD@ 32°F (0°C), 385 platinum curve (yellow leads)<br />

85 1,000Ω RTD @ 32°F (0°C), 385 platinum curve (blue leads)<br />

91 1,000Ω RTD @ 32°F (0°C), 375 platinum curve (green leads)<br />

US 3 Example: US-3 10,000Ω Type III universal mount thermistor sensor<br />

RELATED PRODUCTS<br />

WEL-B Brass well for US sensors<br />

WEL-S Stainless steel well for US sensors<br />

TCC-12 Single application thermal compound<br />

TCC-111 Thermal compound 111 ml tub<br />

2.50<br />

(6.35)<br />

Mounting Tabs (2)<br />

1/2" Conduit Hole*<br />

(face down)<br />

*Must face down<br />

to maintain watertight<br />

integrity

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