User guide

Royal Series Water Temperature Control Units Page 7

1-2 Necessary Documents

The following documents are necessary for the operation,

installation, and maintenance of Sterling/Sterlco Royal Series

water temperature control units. Additional copies are available

from Sterling.

Familiarize the appropriate personnel with these documents:

 This manual.

 The controller operation manual.

 The electrical schematic and connection diagram placed inside

the control enclosure.

 The operation and installation manuals for accessories and

options selected by the customer.

 The Customer Parts List included in the information packet.

1-3 Models Covered

This manual provides operation, installation, and maintenance

instructions for the Royal Series water temperature control unit.

Model numbers are listed on the serial tag. A model number

followed by Q indicates a specially constructed unit, and not all

information in this manual may apply. Make sure that you know

the model number, serial number, and operating voltage of your

temperature control unit if you contact Sterling.

1-4 Standard Royal Series Features

• Compact, rugged cabinet with easy-access side panels

• Cast-and-flange design to reduce connection points

• Half- and full-heat automatic switching capability

• Dual stage Incoloy™ immersion heater with IEC contactors

• NEMA 12 electrical enclosure

• Microprocessor controller with fuzzy logic; includes

diagnostics features with indicator and warning status lights;

CE and