A six position rotary switch has a position for off low speed fan high speed fan low speed fan with pump high speed fan with pump and pump only.
Swamp cooler pump wiring diagram.
All common wires white are tied together so the circuit is completed.
Here is how to wire up a 120 volt swamp cooler switch controller.
Ductwork swamp cooler main page.
Amazon affiliate link to swamp cooler switch.
If your swamp cooler only has one fan speed wire the fan to terminal 1 the black wire operates the motor s high speed.
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All about the swamp swamp cooler maintenance swamp cooler roof installation the best time to rough in your swamp cooler wiring and water line for your new cooler is after the holes are cut through the roof and ceiling but before the ductwork is installed.
Other wiring color codes to wire in the thermostat the above would be followed.
It is ul classified for safety and features a low level design ensuring normal operation even if the cooler s water level drops to as low as 1 2 in.