NELSON™ HEAT TRACING SYSTEMS
TH7325 THERMOSTAT INSTALLATION
INSTALLATION
Thermosta
Thermostat
Conduit to
Junction Box
Stand-off
Capillary
WIRING DIAGRAM
DIRECT CONTROL
Low Point Drain
Power Supply
MI Cold Section
LOW TEMPERATURE
ALARM
Pipe Clamps
Method for installing LT, HLT
and NC heater cable types.
!
WARNING:
Do not mount sensing
bulb near heater cable.
Pipe
Fiberglass Tape
Sensing Bulb
HIGH TEMPERATURE
ALARM
Phase
Heater
C
NO
NC
Phase
Alarm
(low temperature)
C
NO
NC
Phase
Alarm
(high temperature)
C
NO
NC
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.c
om.
P.O. BOX 726 TULSA, OK 74101 TEL 918-627-5530 FAX 918-641-7336 www.nelsonheaters.com
GA-1992 Rev. 9
December 2005