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1451 Belcher Road South, Largo, FL 33773 • USA
• Tel +1 (727) 447-6140 • Fax +1 (727) 442-5699 •
[email protected]System-10-P1 Manual 10/14 - 0656-9 / 18320 A - 7
STANDARD INSTALLATION DETAIL FOR
HEAVY DUTY THERMOWELL
In Welded Pipe
1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699
1/2” coupling
1/2” extension
nipple
heavy-duty thermowell
with 1/2” NPT process
thread (length varies with
pipe size)
Step 1:
Drill 7/8” hole in pipe.
Install thermowell using
fittings supplied by
ONICON.
Complete steps 2-4
only after all welding,
brazing & soldering are
complete.
NOTE: Each sensor and transmitter are factory matched
to each other and to a particular System-10 BTU Meter.
connection
head
1/2” fitting
transmitter
retainer nut
(finger tighten only)
SS spacer sleeve
(length varies with
thermowell length)
platinum RTD
Step 2:
Remove lid and insert RTD assembly into
thermowell, ensuring that it bottoms out.
Thermal compound may be used; apply only
a pea-sized amount to the tip of the RTD
prior to insertion.
Thread retaining nut onto fitting at bottom
of connection head and hold sensor in place
while tightening the
nut by hand.
DO NOT
OVERTIGHTEN.
Step 3:
Place the transmitter onto the exposed
end of the SS spacer sleeve, gently
guiding the excess wire through the
center hole of the transmitter.
Use caution to avoid pinching the
wires or pulling the sensor out of the
thermowell.
Step 4:
Connect field wires from the System-10 BTU Meter to the
transmitter as shown.
Carefully coil extra wire and thread the lid onto the
connection head.
TRANSMITTER WIRING
REFERENCE
SIGNAL
TO BTU METER
TO RTD
HEAVY DUTY THERMOWELLS FOR SYSTEM-10 BTU METERS
FOR PROCESS TEMPERATURES OVER 300° F
0499-2 07-10
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