PH/PHX-2 Manual
16
V. Auto Shut Down Switch - Turns ON and OFF power to the Auto Shut Down unit.
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 29.
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. Pressure Balance Control Knob – Used to set the maximum allowable pressure
differential (in PSI) between the A (Iso) and R (Poly) pumps. See page 26 for more
information.
Z. Pressure Balance Control “ON” Light – Indicates that the Pressure Balance Control
system is on and functioning.
AA. Pressure Balance Control “FAULT” Light – Indicates that the pressure differential is
equal to or greater than the maximum allowable pressure differential.
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