American Standard ACONT203AS42MA Manual de instalación y uso - Página 12
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Installation and User Guide
Heat Pump with GAT2, GAM2, TEM3, TEM4
Thermostat
Rc
Rh
O/B
Y
G
W/E
C
L
Y2
W2
1 or 2 Stage Heat Pump with GAM5A OR TAM4 OR GAF2-36M
Thermostat
Rc
Rh
O/B
Y
G
W/E
C
L
Y2
W2
12
Indoor Unit
R
G
W
B
W2
NOTES:
1) Wire third party condensate over ow
switches between Y of the thermostat
W2
and Y1 of the air ow control board
2) X2 is required to energize aux heat
during defrost
Indoor Unit
R
O
Y1
Y0
G
W1
B
Y2
W2
W3
Outdoor Unit
R
O
Y/Y1
X2
B
Outdoor Unit
R
O
Y/Y1
X2
B
Y2
NOTES:
1) Wire third party conden-
sate over ow switches
between Y of the thermo-
stat and Y1 of the air ow
control board
2) X2 is required to energize
aux heat during defrost
Pub. No.
11-HD19D1-1D-EN
09/2020
Part No. 37-7777006