34
Connector J11
contains low voltage screw terminal
connections
Pin 1
- 24VAC Auxiliary Input
Pin 2
- 24VAC Auxiliary Input
Pin 3
- 24VAC Auxiliary Input
Pin 4
- 24VAC Call for Heat Input
Pin 5
- 24VAC Call for Cooling Input
Pin 6
- 24VAC Call for Blower Input
Pin 7
- 24VAC Occupied Override Input
Pin 8
- 24VAC Isolated Common
Connector J12
contains low voltage screw terminal
connections
Pin 1
- 24VAC Output to Smoke Detector
Pin 2
- 24VAC Output to Smoke Detector
Pin 3
- 24VAC Digital Input from Smoke Detector
Pin 4
- 24VAC Common to Smoke Detector
Pin 5
- 24VAC Output to Air Quality Sensor
Pin 6
- 0-10V Analog Input from Air Quality Sensor
Pin 7
- 24VAC Common to Air Quality Sensor
Pin 8
- 24VAC Common to Air Quality Sensor
Connector J13
contains low voltage connections
Pin 1
- N/A
Pin 2
- PWM + Output for Supply ECM
Pin 3
- 24VAC Output for Low Gas Pressure Switch
Pin 4
- 24VAC Output for High Gas Pressure Switch
Pin 5
- 24VAC Output for Clogged Filter Switch
Pin 6
- 24VAC Output for Low Airflow
Pin 7
- 24VAC Input for Board Power
Pin 8
- N/A
Pin 9
- N/A
Pin 10
- 24VAC Input from Low Gas Pressure
Switch
Pin 11
- 24VAC Input from High Gas Pressure
Switch
Pin 12
- 24VAC Input from Clogged Filter Switch
Pin 13
- 24VAC Input from Low Air Pressure Switch
Pin 14
- 24VAC for Board Power
AUX IN1
AUX IN2 AUX IN3 HEA
T
COOL FA
N
OC
C
OVR
ISO
CO
M
W Y G
1
8
BAS/STAT
24V AC
CO
M
24V AC
IN
DI-1
CO
M
24V AC
VIN
AI-1
0-10
CO
M
1
8
1
7
10
14
