Polytrace - Model 420 AODD Controller

The Model 420 AODD controller is a controller designed to accurately, simply and economically operate solenoid controlled AODD pumps utilizing a 4-20 ma. loop to set pump speed. The Polytrace Model 420 has all the features you’ve been looking for in one compact unit.

Features:

• The Model 420 will work with all Wilden AOD and AOD pumps
• All variables are set using the internal 5-key touch pad and there are no multiple- screens to deal wit
• The keypad is safely away from unauthorized user
• The unit provides 12 volts DC from its internal power supply to operate the pump
• The system panel has one sealed switch on it; to RUN, STOP or JOG the pump
• The loop milli amps and the pump speed and condition (Run/Stop/Jog) are all continuously displayed