TE-WILBUR OPERATIONS MANUAL REV 002.15 06/11/2015
Tisch Environmental 1-TSP-AND-PM10 firstname.lastname@example.org www.tisch-env.com Page 124 of 183
14. The voltage of the power supply needs to be set at around 27 volts.
Read the voltage on the voltage meter, if the voltage is not 27 volts the
voltage must be adjusted.
15. To adjust the voltage, turn the VR Adjust knob clockwise to increase
and counter-clockwise to decrease. Set the voltage of the power
supply at 27.0 volts. This voltage is necessary to provide proper
charging voltage for the batteries.
16. Reinstall the upper and lower front panel and power unit on.
13.9 Controller Replacement
If the Programmable Logic Controller needs replaced perform the following:
The part number for the PLC is made up of the following modules:
Main Controller Module
Analog input module
Analog input / output module
Modbus communication module
WARNING – Before opening covers to perform maintenance, ensure unit is
powered down completely. To power down completely, remove mains power
and disconnect the battery at: