
|
Highly accurate PI control saves energy and
improves comfort |

|
Two
stage heat and one stage cooling operation |

|
Automatic
or manual changeover |

|
Three
wire digital communication between ET118 user
interface and control panel facilitates wiring |

|
ET-118
displays all parameters as well as diagnostic
codes for trouble-shooting |
|
Filter
cleaning reminder time |
|
Outdoor
temperature sensor |
|
Plenum
sensor controls discharge temperatures during
defrost mode and improves comfort |
|
Available efficiency sensor measures the differential
temperature across the coil, indicating system
performance |
|
Available
model which totalizes (counts) the amount
of hours that the heat pump and auxiliary
heat is in operation, perfect for oil/gas
promotional programs |