PH/PHX-2 Manual
15
N. Main Power - Turns ON and OFF main power to the control panel. It must be turned
ON for any operation to be performed with the unit. When turned ON, the red pilot will
light.
O. Emergency Stop - Interrupts the PH- Series control power circuit to stop all motion
and heating.
P. 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 into the pump to prevent
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 30).
Q. Direction Indicator Lights - 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.
R. Control Power - Turns ON and OFF the control power to the complete electrical
circuit including Heaters and Hose Heater.
S. Heater Temperature Switch – A (Iso), R (Poly), HOSE – Turns ON and OFF power
to the specific Heaters and Hose.
T. Temperature Controllers – Displays the temperature of the chemicals. See page 27
for detailed Temperature Controller instructions.
U. Totalizer – Indicates the number of pump cycles to calculate material usage.
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