Hunter 40135 Installation And Operation Manual page 27

4- w i r e Heat / Cool Sys t em
G
Fan
Heat / Cool
Rel ay
24V Suppl y
5-wire H
Rc
G
Fan
Cool
Rel a y
24V Supply
Rh
Y
Cool
Cont act or
eat/C ool Sy stem
Rh
Y
Cool
Heat
Contact or
24V Supply
27
W
Heat Rel ay
or Val ve
W
Heat Rela y
or V alve