Samsung MXD-U000XN Installation Manual page 17

2 Stage Thermostat, 2 Stage AHU
AHU Control Unit (ACU)
Thermostat
Input
Y1 Y1
Y2 Y2
G G
W1 W1
W2 W2
D D
O/B O/B
R R
C C
DIP SW1
1 2 3 4
1 Stage Thermostat, 1 Stage AHU
AHU Control Unit (ACU)
Thermostat
Input
Y Y1
Y2
G G
W1 W1
W2 W2
D D
O/B O/B
R R
C C
DIP SW1
1 2 3 4
AHU + Electric Heat with Heat Pump Configuration
Indoor unit
Output
Y1 Y1
Y2 Y2
G G
W1 W1
W2 W2
D D
O/B O/B
R
C
on
off
5 6 7 8
Indoor unit
Output
Y1 Y
Y2
G G
W1 W1
W2 W2
D D
O/B O/B
R
C
on
off
5 6 7 8
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NOTE
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NOTE
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English 17