NELSON™ HEAT TRACING SYSTEMS
TE760 THERMOSTAT
SPECIFICATION / APPLICATION
INSTALLATION
DESCRIPTION
These thermostats are used for high temperature
piping on freeze protection and process maintenance
applications in hazardous locations.
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 II; Div. 1; Groups E, F, G
- Class I; Zone 1; Ex d IIB+H
2
2
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: 8 amp resistive @ 240VAC
Control Voltage: 120VAC
CALIBRATION ACCURACY
±1% of span
SWITCH TYPE
Single Pole Double Throw
P.O. BOX 726 TULSA, OK 74101 TEL 918-627-5530 FAX 918-641-7336 www.nelsonheaters.com
GA-2335 Rev. 2
December 2005
NELSON™ HEAT TRACING SYSTEMS
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5
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TE760 THERMOSTAT
SPECIFICATION / APPLICATION
INSTALLATION
INSTALLATION
Drain / Seal Fitting
(Appleton part #EYDEF7
or equal)
Power Supply
Conduit Drain
Sensing Probe
MI Cold Section
Junction Box
Conduit to
Thermostat
Stand-of
Pipe Clamps
Method for installing LT, HLT
and NC heater cable types.
Pipe
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.
Fiberglass Tape
WIRING DIAGRAM
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.
to Heate
Red
White
T/C Probe
Cable
GND
+ -
Terminal Block
C NO
120 VAC
N
NC L2
H
L1
P.O. BOX 726 TULSA, OK 74101 TEL 918-627-5530 FAX 918-641-7336 www.nelsonheaters.com
GA-2335 Rev. 2
December 2005
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