4
1 HEAT / 1 COOL Single or Dual Transformer
Set Installer Switch to CONV
Rh
7PMU"$1PXFSIFBUJOHUSBOTGPSNFS[note 2]
Rc
7PMU"$1PXFSDPPMJOHUSBOTGPSNFS[note 2]
W1 )FBU3FMBZBQQFBSTBTW1/EPO
Y1 $PNQSFTTPS3FMBZ
G 'BO3FMBZ
C 7PMU"$5SBOTGPSNFS$PNNPO[note 1, 3]
Typical Wiring Configurations
NOTE: The “Installer Switch” option will be configured in the next step.
Conventional Systems
NOTES - Conventional Systems
[1]*GCBUUFSJFTBSFJOTUBMMFEUIF7PMU"$DPNNPODPOOFDUJPOJTPQUJPOBM
[2]3FNPWFGBDUPSZJOTUBMMFEKVNQFSGPSEVBMUSBOTGPSNFSTZTUFNT
[3]*OEVBMUSBOTGPSNFSTZTUFNTUSBOTGPSNFSDPNNPONVTUDPNFGSPN
DPPMJOHUSBOTGPSNFS
[4]*GOFFEFEGPSTZTUFN
Provide disconnect and overload protection as required.
2 HEAT / 2 COOL Single or Dual Transformer (2220 Only)
Set System Type to CONV
Rh
7PMU"$1PXFSIFBUJOHUSBOTGPSNFS[note 2]
Rc
7PMU"$1PXFSDPPMJOHUSBOTGPSNFS[note 2]
W1 )FBU3FMBZ4UBHF
W2 )FBU3FMBZ4UBHF
Y1 $PNQSFTTPS3FMBZ4UBHF
Y2 $PNQSFTTPS3FMBZ4UBHF [note 4]
G 'BO3FMBZ
C 7PMU"$5SBOTGPSNFS$PNNPO[note 1, 3]
Heat Only or Millivolt
Set Installer Switch to CONV
Rh
1PXFS$POOFDUJPO
W )FBU3FMBZBQQFBSTBTW1/EPO
G 'BO3FMBZ[note 4]
C 7PMU"$5SBOTGPSNFS$PNNPO[note 1]