Lennox Prodigy M2 Application Manual page 102

Pin# Label Description Type
P262 Economozer control
1 R 24VAC Power 24 VAC
2 GND Digital Ground 24 VAC COM
3 VOT Damper Control 2−10 VDC DO
4 DPOS Damper Position Feedback 2−10 VDC DI
5 GND Digital Ground
RES 0−5 VDC RES 0−5 VDC
6 RT16+ Return Air Temp
7 A7 S Outdoor Enthalpy Sensor 4−20 mA AI
8 20 VDC 10 Volts DC Power 20 VDC
9 A62 S Indoor Enthalpy Sensor 4−20 mA AI
10 A173 Smoke Detector 24 V DI
11 T1 Smoke Detector 24V
24 VAC 24 VAC
Power
12 COM Smoke Detector 24 Common
P263 High $ Low Pressure
1 L1 Reversing Valve 24 VAC DO
2 COM 24 VAC Common 24 VAC COM
3 S4 High Pressure Compressor 1 SW 24 VAC
4 T1 24VAC Power 24 VAC
5 S87 Low Pressure Compressor 1 NC SW 24 VAC
6 S7 High Pressure Compressor 2 SW 24 VAC
7 T1 24VAC Power 24 VAC
8 S88 Low Pressure Compressor 2 SW 24 VAC
P264 Blower Deck Area
1 RT6 Discharge Air Temp
RES 0−5 VDC RES 0−5 VDC
2 GND Digital Ground
3 S49 Freezestat 1 (NC) SW 5 VDC
4 VSS 5VDC 5 VDC
5 S50 Freezestat 2 (NC) SW 5 VDC
6 S52 Air Flow Switch (NO) SW 5 VDC
7 VSS 5VDC 5 VDC
8 S27 Dirty Filter Switch (NO) SW 5 VDC
P265 Contactors / Relays
1 COM 24 VAC Common 24 VAC COM
2 K1 Contactor Compressor 1 24 VAC DO
3 K2 Contactor Compressorr 2 24 VAC DO
4 K3 Contactor Blower 24 VAC DO
5 COM 24 VAC Commo 24 VAC COM
6 K10 Relay Outdoor Fan 1 24 VAC DO
Table 45. M2 board connections diagram
7 K68 Relay Outdoor Fan 2
8 COM 24 VAC Common
9 K13 Relay Combustion Air Blower 1
10 K19 Relay Combustion Air Blower 2
11 COM 24 VAC Common
12 K65 Relay Exhaust Fan
P266 Heating Control
1 COM 24 VAC Common
2 A3, K15 Heat 1, Electric Heat 1
3 W2, K16 Heat 2, Electric Heat 2
4 COM 24 VAC Common
5 A12, K17 Heat 3, Electric Heat 3
6 W2, K15 Heat 4, Electric Heat 4
P267 Outdoor Fan Area
1 RT17 Outdoor Air Temp
2 GND Digital Ground
3 S11 Low Pressure Fan 1
4 R 24 VAC
5 S84 Low Pressure Fan 2
6 S6 Defrost Temp
7 VSS 5VDC
8 S46 Defrost Pressure 1
P268 Power
1 T1−1 24 VAC Power Transformer 1
2 T1−COM 24 VAC Common Transformer 1
3 T18−1 24 VAC Power Transformer 1
4 T18−COM 24 VAC Common
P269 Reheat − Humiditrol
1 T43 24 VAC Power
2 T43 24 VAC Common
3 L14 Reheat Solenoid 1
4 L30 Reheat Solenoid 2
10 10
24 VAC DO 5 RSV Reserved
COM P270 Sensor Board
24 VAC DO 1 + RS−485 Communication
24 VAC DO 2 − RS−485 Communication
COM 3 COM 24 VAC Common Transformer 1
24 VAC DO 5 T1 24 VAC Transformer 1
P271 Heating 1 Safety
24 VAC COM 1 S10−C Primary Limit Burner 1 C
24 VAC DO 2 S10−NC Primary Limit Burner 1 NC
24 VAC DO 3 S10−NC Primary Limit Burner 1 NO
24 VAC COM 4 S21−C Secondary Limit Burner 1 C
24 VAC DO 5 S21−NC Secondary Limit Burner 1 NC
24 VAC DO 6 S47 Rollout Switch Burner 1 C
7 S47 Rollout Switch Burner 1 NC
8 S18 Cab Proof Switch 1
RES 0−5 VDC RES 0−5 VDC
9 S18 Cab Proof Switch 1
SW 24 VAC 10 GV1 Gas Valve Sense 1
24 VAC DO P272 Heating 2 Safety
SW 24 VAC 1 S99−C Primary Limit Burner 2 C
SW 5 VDC 2 S99−NC Primary Limit Burner 2 NC
5 VDC 3 S99−NO Primary Limit Burner 2 NO
SW 5 VdC 4 S100−C Secondary Limit Burner 2 C
5 S100−NC Secondary Limit Burner 2 NC
24 VAC 6 S69 Rollout Switch Burner 2 C
24 VAC COM 7 S69 Rollout Switch Burner 2 NC
24 VAC 8 S45 Cab Proof Switch 2
24 VAC COM 9 S45 Cab Proof Switch 2
10 GV3 Gas Valve Sense 2
24 VAC
24 VAC COM
24 VAC DO
24 VAC DO
24 VAC DI
BUS
BUS
24 VAC COM
24 VAC
SW 24 VAC SW 24 VAC
SW 24 VAC SW 24 VAC
SW 24 VAC SW 24 VAC
SW 24 VAC SW 24 VAC
24 VAC DI
SW 24 VAC SW 24 VAC
SW 24 VAC SW 24 VAC
SW 24 VAC SW 24 VAC
SW 24 VAC SW 24 VAC
24 VAC DI