System Applications And Electrical; Figure 8B. Psc Compressor Unit Electrical Schematic, 230-3-60; Figure 9. Psc Air Heating/Cooling System Application; Figure 10. Psc Air Heating/Cooling System Field Wiring Diagram - EarthLinked Prime Series Quick Start Instructions

Psc geothermal heating and cooling system
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4)

System Applications and Electrical

The PSC compressor unit electrical box major components and electric data for all compressor sizes
are shown in Figure 7.
The PSC series compressor units are equipped with a Nano-PLC (Programmable Logic Controller) to
provide a range of functions that enhance the comfort and efficiency of system operation. See the
Appendix detailing the PLC Functions for Air Only Systems.
The SureStart Module is a factory installed component that (1) reduces compressor starting current;
(2) reduces compressor starting torque, thus reducing stress on the compressor at start-up; and (3)
monitors the run capacitor.
The Earth Loop Protection Control System, comprised of the EPS Power Supply, EPS Module and
EPS Fuse is contained within the electric box. This system is factory wired and ready to be connected
to the anode wire through an external electrical connection on the backside of the compressor cabinet.
The anode wire connection is detailed in a later section of this manual.
PSC Heating and Cooling System electrical and application illustrations are as follows.
Figure 8a. PSC Compressor Unit Electrical Schematic, 230-1-60

Figure 8b. PSC Compressor Unit Electrical Schematic, 230-3-60

Figure 9. PSC Air Heating/Cooling System Application

Figure 10. PSC Air Heating/Cooling System Field Wiring Diagram

PSC-QS (10/16)
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