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Pressure Control
Fan pressostat (air condensation)
Pressure Control operates on high pressure by starting and/stopping fan. Differential is fixed. (1Kg/cm2 or
14 Psi.) Cut-off pressure must be 16 Kg/cm2 (228 Psi) Low pressure values may cause gearbox
malfunction. Pressure values higher than 16 Kg/cm2 may shorten compressor life and diminish ice
production.
Pressure can be regulated by rotating screw on Pressure Control Valve (clockwise to increase pressure).
One rotation equals 1.5 Kg/cm2.
Safety pressostat
This Security device trips when discharge pressure is too
high. Pressure might exceed the limit when:
a) Air circulation is not sufficient, room temperature is
too high or condenser is dirty (air condensation models).
b) There is not enough water in the system or water temperature is
too high (water-cooled models).
HIGH PRESSURE REGULATION (fixed):
29-21 Kg/cm2 (406-296 Psi)
18
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