Manual slide switches allow for 5 different cooler settings.
Evaporative cooler thermostat wiring diagram.
Other wiring color codes to wire in the thermostat the above would be followed.
Your digital thermostat controls a standard 115vac 60hz or 230vac 60hz residential evaporative cooler with blower motors from 1 3 hp up to 1 hp and 1 or 2 speeds.
For example l1 is labeled as power which is the black wire from the circuit breaker.
Catalog page vol 21.
This 6 position rotary wall switch is designed for 2 speed coolers with motors from 1 3 to 1 hp motors and it includes mounting screws.
The wiring of a swamp cooler is not complex but if you have never wired up a motor before or feel uncomfortable with electricity it is advisable to hire an electrician to wire up your cooler.
I plan on just using 1 relay to activate the whole cooler control rather than multiple relays to control the different aspects of the cooler so this is a simple on off when cooling call comes from the thermostat.
Wall control thermostat and 2 speed evaporative cooler control system.
Mpn the above is a basic wiring schematic for a swamp cooler switch.
Mine looks just like the diagram above.
32 thoughts on evaporative swamp cooler switch thermostat wiring joseph smith august 28 2020.
The mastercool programmable thermostat is convenient to install and includes rain proof control box.
I have an evaporative cooler with 120vac control that i want to switch on and off using a relay that is activated when the cool call comes from my thermostat.
Connect the wires in accordance with the wiring diagram on next page wiring.
The above is a basic wiring diagram of how to wire up a thermostat for swamp cooler.
All common wires white are tied together so the circuit is completed.
It comes with assembled dimensions of in.
Lasco evaporative water cooler thermostat with two speed six.