American Standard ACONT203AS42MA Manual de instalação e do utilizador - Página 7
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1 or 2 Stage Heat Pump with S9V2 Furnace
Thermostat
Rc
Rh
O/B
Y
G
W/E
C
L
Y2
W2
Heat Pump with Variable Speed Gas Furnace
Thermostat
Rc
Rh
O/B
Y
G
W/E
C
L
Y2
W2
Pub. No.
11-HD19D1-1D-EN
Indoor Unit
R
O
Y1
G
W1
B
Y2
W2
W2
W3
W2
W2
BK
Indoor Unit
R
Y
G
W1
B
W2
W2
09/2020
Part No. 37-7777006
American Standard 203 Programmable Thermostat
Outdoor Unit
NOTES:
1) Wire third party condensate over ow
switches between Y of the thermostat
and Y1 of the air ow control board
2) X2 is required to energize aux heat
during defrost
Outdoor Unit
NOTES:
1) Wire third party condensate over ow
switches between Y of the thermostat
and Y1 of the air ow control board
2) X2 is required to energize aux heat
during defrost
R
O
Y/Y1
X2
B
Y2
R
O
Y
X2
B
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