Carrier 110 Series Installation, Start-Up, And Operating Instructions Manual page 11

120 VAC
SW2
SW1
COOL
HEAT
1 2 1 2
A
A OFF OFF
OFF OFF
ON OFF
ON OFF B
B
C
C OFF ON
OFF ON
ON ON
ON ON D
D
ON ON
SW1
OFF OFF
SW3 SW4
ADJ DELAY
1 2
1 2
A
OFF OFF A OFF OFF
ON OFF ON OFF B
B
C OFF ON C
OFF ON
ON ON
ON ON D D
ON ON
SW3
OFF OFF
JW5
P1
R2
LED7
GRN
R14
R12
D17
D18
LED4 LED3
Y
Y/Y2
NOTES
1. The Red LED to the right of P-1 will illuminate whenever the limit switch is open.
2. The Green LED below the left end of P-1 will flash when the blower motor is operating.
The LED will flash one time for each 100 RPM.
3. The Green LEDs above Y1, Y/Y2, G, O, and W will illuminate whenever there is a 24V
input from the thermostat.
4. The Green LED above DH will illuminate whenever there is not a 24VAC input applied.
NEUTRALS HUM
120 VAC
D6
D7
SW2
D8
D9
D10
D11
D12
JW1
D14
SW4
R23
JW4
R3
JW6
R1
D20
R13
JW3
JW7
D21
D19
D16
LED5 LED7 LED8 LED1
G DH O W
Fig. 8—Control Board
11
P2
U1
01
KJ
R22
C2
U2
C1
LED
RED
D13
D02
D04
D1
D3
JW2
D15
P3
R C
A04194