PMC MN-06001, Manual

Page: 13 / 66

PMCA-20
Manual
13
Control Panel
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 complete PMCA-20 Series control power circuit thus allowing NO power to
the Heater, Hose or control system.
P. Control Power
The Control Power Switch only controls the 24 Volt DC necessary for any proportioner
functions to operate. In the on position the temperature controllers will display ambient
temperature and the main machine display will illuminate.
Q. Heater Controller Switch
Turns ON and OFF power to the Heaters. See detailed Temperature Controller
instructions.
R. Hose Heater Control Switch
Automatically controls the Hose Heater only when using the TSU (Temperature
Sensing Unit) probe.
S. Cycle Counter
Used to calculate the amount of chemical processed.
T. Pump Switch
Off - Removes power from the pump circuit. The red directional indicator lights will not
be lit.
Normal - Activates the normal operation of the machine. When the switch is ON, the
red directional light corresponding to the stroke direction will light.
Retract - Sets the Piston Rod of the Iso (A) metering pump to the retract position and
prevents the crystallization of Iso (A) on the Piston Rod.
R