Xylem WL200 CONDUCTIVITY LEVEL CONTROLLERS - Manual (Page 8)

Global Water
800-876-1172
• globalw.com
VI. Installation
Warnings:
Install controller according to applicable electrical codes.
Unit must be installed using Global Water’s R2 Controller.
Do not connect directly to line voltage.
Not for use in hazardous (explosive) environments.
Do not exceed pressure and temperature ratings.
a. Conductivity Sensor Head / Conductivity Probes
1. 1 inch NPT (Standard)
2. Probes can be cut to length. Remove probes from sensor head by
carefully unthreading them from inserts. Do not over tighten when
reinstalling.
3. Cut two (2) probes to the same length, these will be the common
and lower level probes. (See Figure 1, page 11.)
4. Cut one (1) probe to the desired length for the upper level of the
tank. (See Figure 1, page 11.)
5. Spacer should be located approximately 1 inch from bottom of
shortest probe.
6. If build up occurs on probes a short circuit could occur. If this
happens, apply shrink tubing to the probes leaving the last one (1)
inch bare.
b. Wiring
1. Install cable into sensor head through the compression fitting
supplied.
2. Attach one lead between the common probe terminal, and pin five
(5) on the controller.
3. Attach a second lead between the lower level probe terminal, and
pin six (6) on the controller.
4. Attach a third lead between the upper level probe terminal, and pin
eight (8) on the controller.
5. Tighten compression fitting until cable can not be pushed into
sensor head.
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