184 Part Number STH025 11/16
HIGH PRESSURE CUTOUT HPCO CONTROL
FUNCTION
Stops the ice machine if subjected to excessive high-side
pressure. The HPCO control is normally closed, and opens
on a rise in discharge pressure.
SPECIFICATIONS
Specifications
Cut-Out Cut-In
450 psig ±7
(3102 kPa ±48 31 bar ±.48)
300 psig ±10
(2068 kPa 20.68 bar)
Automatic Reset
SYMPTOM
Opening the HPCO will cause the control board to initiate
a 60 minute delay. The display counts down from 60
minutes to 0 minutes, at which point the ice machine
attempts a restart. If the HPCO is closed the ice machine
will continue to run. If the HPCO remains open after the
60 minute delay or reopens when the compressor starts,
the ice machine will start another 60 minute delay period.
1. Machine is off and the display indicates
“Delay XX min, HPCO Active”
2. Machine is running and the display has an alert
triangle - Press left arrow to display “HPC Fault”.
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