Evaporative Cooler Thermostat Wiring Diagram

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.

Evaporative cooler thermostat wiring diagram.

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. 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. Mpn the above is a basic wiring schematic for a swamp cooler switch.

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. Off fan only high speed high vent fan only. Catalog page vol 21. The mastercool programmable thermostat is convenient to install and includes rain proof control box.

Evaporative swamp cooler switch thermostat wiring. Wall control thermostat and 2 speed evaporative cooler control system. 32 thoughts on evaporative swamp cooler switch thermostat wiring joseph smith august 28 2020. 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.

For example l1 is labeled as power which is the black wire from the circuit breaker. Other wiring color codes to wire in the thermostat the above would be followed. 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. It comes with assembled dimensions of in.

All common wires white are tied together so the circuit is completed. Mine looks just like the diagram above.