Open the GasTrac electrical enclosure.
Turn the disconnect dial on the GasTrac’s door
to the Off position. Turn the captive screw, and
swing the door open.
Insert the main power wire
through the knockout in
the electrical enclosure. Secure the wire with a rubber
compression fitting or strain relief.
Connect the power wires
to the three terminals
at the top of the disconnect holder.
Connect the ground wire
to either grounding
point shown in the diagram.
C
ONNECTING
M
AIN
P
OWER
UGD014/0497
GasTrac Process Air Heater
I
NSTALLATION
3-7
4
CAUTION:
Electrical hazard.
Always disconnect and lock out the main
power sources before making electrical
connections. Electrical connections should
be made only by qualified personnel.
IMPORTANT:
Always refer to
the wiring diagrams that came with
the GasTrac for the most accurate
information about electrical com-
ponents and connections.
O
1
2
3
Honeywell
ESC
SEL
I
NSTALLING THE
RTD P
ROBE
The RTD probe monitors the temperature of the drying air as
it enters the hopper. If the probe is not installed correctly, tem-
perature readings will be inaccurate.
Insert the probe in the
delivery air inlet
of the
hopper. The end of the probe
must not touch the walls of
the inlet pipe. Most hoppers
provide a hole that is compat-
ible with the probe’s
1
/
8
-inch
NPT compression fitting.
Plug the probe’s cable
into the GasTrac control
box. Coil any excess cable and
secure with a wire tie.
1
2