36
18-GJ06D2-2E-EN
Figure 3.
Field Wiring — Two Stage Cooling
Com for t Control
Air Handler
Air Conditioner
Neatly bundle
a ll lo w vo lta g e
wires behind th
e s e rvice
valve co ver a s s h o w n .
Ye llo w /Re d
Field wiring
Ye llo w /Bla ck
Blue
Re d
Ye llo w
Green
White
Blue
B
B - Blue
W
G
Y1
Brown
Y2
Y1 - Ye llo w
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.
E
Elle
eccttrriicca
all —
— L
Lo
ow
w V
Vo
olltta
ag
ge
e