ACS TC 120, Operation And Instruction Manual, Page: 15 / 48

TC 120 682.98767.00 • 10/04/2018
15
2-3 Models Covered
This manual provides operation, installation, and maintenance instructions for the
TrueTemp™ TC 120 and Sterlco® TC 120 series water temperature control units.
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 the ACS Group.
2-4 Standard TCU Series Features

Compact, rugged cabinet with easy-access side panels

Cast-and-flange design to reduce connection points

Half- and full-heat capability (M2C only)

Over Current Protection for motor and transformer

Dual circuit Incoloy™ immersion heater with IEC contactors

NEMA 12 electrical enclosure

Forward-facing liquid-filled To and From Process pressure
gauges

Independent high temperature safety thermostat

Off-the-shelf microprocessor-based PID temperature
controller with Process and Set Point LED readouts

¼” cooling solenoid valve on ¾ to 3 hp (0.56 to 2.24 kW)
models; ½” cooling solenoid valve on 5 & 7½ hp (3.73 &
5.60 kW) models

Graphic control panel with indicator and warning status
lights

Adjustable low supply water pressure switch; factory-set at
16 psig (110 kPa/1.1 bar)

150 psig (1,034 kPa/10.3 bar) pressure relief valve

Choice of 208 V-575 V operating voltages

¾” NPT water supply connection; 1½” NPT process
connections

Automatic vent sequence

3” (51 mm) casters

Operating range of 0ºF to 250ºF (-17ºC to 121ºC)

PID Auto-tuning temperature controller

Quick Cool function