Part Number STH025 11/16 203
5. Discharge line temperature is greater than 150°F
(66°C) [I0850/I1000 Air/Water Only - 140°F (60°C)]
at the end of the freeze cycle? See “Discharge Line
Temperature Analysis” on page 151
6. Connect refrigeration manifold gauge set to the
access valves on the front of the ice machine.
Establish baseline by recording suction and
discharge pressure and freeze & harvest cycle times.
(Refer to “Cycle Times/24-Hour Ice Production/
Refrigerant Pressure Charts” on page 225 for
data collection detail.
7. Freeze cycle Head Pressure is in the range indicated
in the cycle time/24 hour ice production and
operational pressure chart?
If the head pressure is low refer to “Freeze Cycle
Discharge Pressure Low Checklist” on page 144
8. Freeze cycle Suction Pressure normal?
Refer to “Analyzing Suction Pressure” on page 145 if
suction pressure is high or low.
9. Harvest cycle suction and discharge pressures are
lower than indicated in the cycle times/refrigerant
pressures/24 hour ice production chart?
10. Replace Harvest Pressure Regulating solenoid.
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