8
Figure 3
2.3 Electrical Wiring Information
To reduce the risk of electrical shock, the controller must be plugged into a grounded outlet with ratings conforming to
the specications on the data nameplate. It must be connected to a viable ground circuit. DO NOT USE ADAPTERS
(see Figure 4)! All wiring must conform to required electrical codes.
The DC4000 conductivity controller is available in either 115 or 230 VAC 50/60 Hz. The 115 VAC version is supplied with
one (1) 6-foot grounded AC power cord and two (2) 12-inch output pigtails for plug-in connection of controlled devices.
A four-pin connector is provided for the temperature compensated (cooling tower mode) conductivity probe.
The DC4000 controller is provided with a voltage selector switch to allow the unit to be used with a 115 VAC or
230 VAC power source. To change the voltage selection, disconnect the unit from the power source and remove the
front keypad panel. The selector switch is located on the circuit board attached to the back panel. When switching
voltages ensure that power cord and pigtails are appropriately changed.
Figure 4
2.2 Enclosure Mounting Dimensions
When using the prewired unit, the enclosure is congured as NEMA 12X. If the unit is connected through watertight
conduit, the enclosure is congured as NEMA 4X.
The following clearances should be observed for proper mounting (see Figures 2 and 3).
(866) 433-6682 • (281) 359-8538 • sales@novatech-usa.com • www.novatech-usa.com
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