Thermon TESH - Manual (Page 9)

INSTALLATION GUIDELINES SERIES HEATING CABLES PAGE 7
THERMON...The Heat Tracing Specialists ®
TEP0118U-1111
Typical heat tracing system switching via interposing relay
or contactors
Power cable 1
Circuit switch with indicating lamp (padlockable) 2
Thermostat controller/limiter combination 3
Cold lead cables
In case heat dissipation of TES cable is lower than 16
W/m, the heating cable may be connected directly into
the junction box or thermostat without a cold lead. MI
cables always via cold lead cable.
5
4 Junction box
Cold lead junction
(see point 5)
6
Series heating cable
Star connection box
7
8
3a
3c
Thermostat controller
Thermostat limiter/limiter combination
3b Thermostat limiter
to power
supply
panel
to power
supply
panel
or
single phase or
two phase
3-phase
Note:
For using thermostat limiters, see page 22-documentation
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JB
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