The 4 wires to my Cooler Controller are all small diameter wires…?
A. Then the Cooler Controller will not work for your application. Small diameter wires are for a Low Voltage thermostat the Cooler Controller is for 115vac (Line) voltage control. For proper wiring of your Cooler Controller, please review the Installation Instructions. If needed, contact an electrician. POWERCLEAN PURGE (TIMER) PUMP PN’s 1540 and 1542 (Installation Instructions): General information: – The purge pump will periodically drain the water from your cooler, once during every 8 hours of pad pump ON-Time. – The periodic draining saves a significant amount of water vs. a regular water bleed line. – The first time you apply electric power to the pump, it will turn ON. – The purge pump water flow rate is about 200 GPH. – The purge pump is sized for standard residential size evaporative coolers.