18-GJ06D2-2A
35
Figure 3. Field Wiring — Two Stage Cooling
Com fort Cont rol
Air Handler
Air Con ditioner
Neatly bundle all low voltage
wires behind th e service
valve co ver as shown.
Yellow/Red
Field wiring
Yellow/Black
Blue
Red
Yellow
Green
White
Blue
B
B - Blue
W
G
Y1
Brow n
Y2
Y1 - Yellow
Y2 - Brown
R
O
O
R
B
YI
W1
YO
Y2
BK
G
W2
W3 *
(In)
(Out )
• * For multiple stages of electric heat, jumper W1, W2, and W3 together if control has only one stage of heat.
• Yi and Y0 connections must be made as shown for freeze protection and internally mounted condensate overflow circuits to work properly.
OD unit pump down may occur if these connections are not made correctly.
• Internally mounted condensate switch is optional and must be ordered separately.
• If 3rd party condensate overflow switches are installed, they should be wired between Y of the thermostat and Y1 of the Airflow control.
EElleeccttrriiccaall —— LLooww VVoollttaaggee
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