Replacing The Rtd - Conair W1-1.5 User Manual

R
EPLACING THE
RTD
Always refer to the wiring dia-
grams you received with your
chiller to locate specific elec-
trical components.
6-20
T
ROUBLESHOOTING
To replace the RTD:
1
Disconnect and lockout power to the chiller.
2
Disconnect the To Process tubing from the
To Process connection.
3
Open the Drain/Fill valve and drain water
from the unit so the water level is lower that the RTD.
4
Open the side of the chiller.
5
Disconnect the RTD wiring from the
transmitter electrical box. Refer to the wiring diagram.
6
Remove the RTD.
Loosen the compression nut to slide the RTD out of the
evaporator.
7
Install the new RTD.
The new RTD should be inserted in the evaporator so that
the tip is extended completely through the evaporator.
8
Wire the RTD to the temperature transmitter
and to the electrical box.
Series 1 Portable Chillers, PLC Control
Fill/Drain valve
To Process
connection
RTD
Temperature
transmitter
electrical box
UGH017/0500