ICE MACHINES Q-Model Service Manual

Section 7Refrigeration SystemHARVEST PRESSURE REGULATING(H.P.R.) SYSTEMRemotes OnlyGENERALThe harvest pressure regulating (H.P.R.) systemincludes:• Harvest pressure regulating solenoid valve (H.P.R.solenoid). This is an electrically operated valve whichopens when energized, and closes when deenergized.Figure 7-13. H.P.R. ValveINLETFLOWOUTLETSV1427Figure 7-12. H.P.R. Solenoid• Harvest pressure regulating valve (H.P.R. valve).This is a non-adjustable pressure regulating valvewhich modulates open and closed, based on therefrigerant pressure at the outlet of the valve. Thevalve closes completely and stops refrigerant flowwhen the pressure at the outlet rises above the valvesetting.INLETOUTLETSV3053Part No. 80-1100-3 7-27