270 Part Number Preliminary 6/11
HARVEST PRESSURE REGULATING (HPR)
SYSTEM REMOTE CONDENSER ONLY
GENERAL
The harvest pressure regulating (HPR) system
includes:
• Harvest pressure regulating solenoid valve (HPR
solenoid). This is an electrically operated valve
which opens when energized, and closes when
de-energized.
• Harvest pressure regulating valve (HPR valve).
This is a pressure regulating valve which
modulates open and closed, based on the
refrigerant pressure at the outlet of the valve. The
valve closes completely and stops refrigerant flow
when the pressure at the outlet rises above the
valve setting.
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