PH-20/PHX-20 Manual
13
W. Auto Shut Down Counter
Used to set the amount of cycles required to prevent the chemical drums from running
dry, the machine will shut down when the preset cycles expire. There is an on/off
switch to activate this feature or deactivate and not use it, see page 24.
X. Motor Switch - Turns ON and OFF the Electric/Hydraulic Motor. When turned ON,
the pilot will light. In the event of an overload of the Motor, pilot light will turn OFF and
Motor will stop.
Y. Pump Switch
Off - Removes power from the pump circuit. The directional indicator lights will not be
lit.
Normal - Activates the normal operation of the machine. When the switch is ON, the
directional light corresponding to the stroke direction will light.
Retract - Sets the Piston Rod of the Iso (A) metering pump to the down position and
prevents the crystallization of Iso (A) on the Piston Rod. Press the RETRACT key
every time the unit is stopped by the operator (see Shut-Down, page 25).
Z. Direction Indicator Light - Indicates the movement direction of the Metering Pumps.
If excessive pressure is caused in the system, the pump circuit will be disabled and the
directional lights will be OFF.
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