Nelson GA-2336, TE760-TC Thermostat Instruction Sheet

NELSON™ HEAT TRACING SYSTEMS

TE760-TC THERMOSTAT

SPECIFICATION / APPLICATION

INSTALLATION

DESCRIPTION

These thermostats are used for high temperature
piping on freeze protection and process maintenance
applications in hazardous locations. Includes 3-pole,
50A contactor.

ENCLOSURE

Cast Aluminum

CLASSIFICATIONS

NEMA Type 4, 7, 9 IP66

TEMPERATURE RANGE

0 to 538°C (32 to 1000°F)

SENSING PROBE

Length Material Max. Bulb Temperature

3m (10ft.) Incoloy 825 593°C (1100°F)

ELECTRICAL DATA

Load Switching: 50 amp resistive @ 480VAC
Control Voltage: 120VAC

CALIBRATION ACCURACY

±1% of span

SWITCH TYPE

Triple Pole Single Throw

OUTLINE

Approvals:

FM - Class I; Div. 1; Groups B, C, D

- Class II; Div. 1; Groups E, F, G

- Class l; Zone 1; AEx d IIB+H
CSA - Class I; Div. 1; Groups B, C, D

- Class Il; Div. 1; Groups E, F, G

- Class I; Zone 1; Ex d IIB+H

2

2

P.O. BOX 726  TULSA, OK 74101  TEL [phone]  FAX [phone]  www.nelsonheaters.com

GA-2336 Rev. 2

December 2005

NELSON™ HEAT TRACING SYSTEMS

r

r

TE760-TC THERMOSTAT

SPECIFICATION / APPLICATION

INSTALLATION

INSTALLATION

Power Supply

Drain / Seal Fitting

(Appleton part #EYDEF75

or equal)

Conduit Drain

Junction Box

Stand-off

Conduit to
Thermostat

Pipe Clamps

Method for installing LT, HLT

and NC heater cable types.

Sensing Probe

MI Cold Section

Pipe

Fiberglass Tape

INSTALLATION NOTES:

• Securely mount thermostat enclosure and
connect to power wiring.

• Verify thermostat set point is at the desired
maintenance temperature.

• Close enclosure cover to prevent damage
from inclement weather.

• Insure all fittings associated with the power
wiring are installed per applicable codes.

• When conduit type systems are used, low
point drains / conduit drains are highly
recommended.

ANNUAL MAINTENANCE:

Spray a coat of lubricant and rust preventative
such as CRC Stor & Lube on the electrical wire
connections.

WIRING DIAGRAM

T/C Probe

Red

Whi t e

GND + - C NO NC

Terminal Block

120 VAC

H

N

L2 L1

Heate
Power

C

Contacto

to Heater Cable

Nelson Heat Tracing Systems products are supplied with a limited warranty. Complete Terms and Conditions may be found on Nelson's website
at

www.nelsonheaters.com.

P.O. BOX 726  TULSA, OK 74101  TEL [phone]  FAX [phone]  www.nelsonheaters.com
GA-2336 Rev. 2
December 2005