Hunter 40170 Manuel D'installation Et D'utilisation page 32

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3-wire Heat Only System 3-wire Heat Only System
Jumper Jumper
Rc Rh W Rc Rh W
G G
X X
Heat 24V Heat 24V
Fan Fan
Relay Relay Supply Supply
3-wire Cool Only System 3-wire Cool Only System
Jumper Jumper
Rc Rh Rc Rh
G G
Fan Fan Cool 24V Cool 24V
Relay Relay
Supply Supply
2
Heat Relay Heat Relay
or Valve or Valve
Y Y
X X
Cool Cool
Contacter Contacter