The mastercool programmable thermostat is convenient to install and includes rain proof control box.
Evaporative cooler thermostat wiring diagram.
Manual slide switches allow for 5 different cooler settings.
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.
32 thoughts on evaporative swamp cooler switch thermostat wiring joseph smith august 28 2020.
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.
Mine looks just like the diagram above.
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.
Other wiring color codes to wire in the thermostat the above would be followed.
All common wires white are tied together so the circuit is completed.
Catalog page vol 21.
For example l1 is labeled as power which is the black wire from the circuit breaker.
The above is a basic wiring diagram of how to wire up a thermostat for swamp cooler.
Thermostat pdf manual download.
Evaporative swamp cooler switch thermostat wiring.
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.
Off fan only high speed high vent fan only.
Wall control thermostat and 2 speed evaporative cooler control system.
Connect the wires in accordance with the wiring diagram on next page wiring.