Main Power source
Circuit Breaker
Use a circuit breaker
or time delay fuse.
Note : Use 20A circuit breaker for some 
models (21k ~ 26k Btu/h). 
14
Circuit Breaker Installation and Parts for Installation
Read thoroughly and follow all directions provided.
A circuit breaker must be installed between the power source and the unit if the plug is not used 
(see illustration below).