Optional Supply Static Pressure Sensor - Lennox Prodigy M2 Application Manual

4.4. Optional CO
2
The indoor CO sensor (A63) is an analog sensor with a 0−10Vdc output over a CO
2
following table. The sensor is powered with 24Vac.
CO PPM DC Voltage
2
0 0
200 1.0
400 2.0
4.5.

Optional Supply Static Pressure Sensor

The supply duct differential static pressure sensor (A30) is an analog sensor with a 0−10Vdc output over a range of 0−5"w.c
as shown in the following table. The sensor is powered with 24Vac.
Pressure "w.c. DC Voltage
0 0
0.5 1.0
1.0 2.0
4.6. Optional Building or Return Static Pressure Sensor
The building static differential static pressure sensor (A34) is an analog sensor with a 0−10Vdc output over a range of –0.5 to
0.5"w.c as shown in the following table. The sensor is powered with 24Vac.
Pressure "w.c. DC Voltage
−0.5 0
−0.4 1.0
−0.3 2.0
4.7. Optional Enthalpy Sensor
The optional enthalpy sensors (A7 and A63) used with the economizer have an output of 4−20ma. The sensor is powered
with 24Vac. See figure 13 (Page 29).
4.8. Optional Outdoor Air Control (OAC) Sensor
The optional outdoor air control sensor is an analog sensor with a 0−10Vdc output. Three velocity ranges are available (see
table 8). The sensor is powered with 24Vac.
Sensor Volts Sensor Volts M2 Readout M2 Readout
0.00 0
0.50 5
1.00 10
1.50 15
2.00 20
2.50 25
3.00 30
3.50 35
4.00 40
4.50 45
5.00 50
5.50 55
6.00 60
6.50 65
7.00 70
7.50 75
8.00 80
8.50 85
9.00 90
9.50 95
10.00 100
506457−01 05/10
(IAQ) Sensor
CO PPM DC Voltage
2
600
800
1000
Pressure "w.c. DC Voltage
1.5
2.0
2.5
Pressure "w.c. DC Voltage
−0.2
−0.1
0.0
Table 8. OAC Sensor Velocity Ranges
0−5m/sec
m/sec ft/min.
.
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
4.75
5.00
CO PPM
2
3.0 1200
4.0 1400
5.0 1600
Pressure "w.c.
3.0 3.0
4.0 3.5
5.0 4.0
Pressure "w.c.
3.0 0.1
4.0 0.2
5.0 0.3
0−7.5 m/sec
m/sec.
0 0.00
49 0.38
98 0.75
148 1.13
197 1.50
246 1.88
295 2.25
344 2.63
394 3.00
443 3.38
492 3.75
541 4.13
590 4.50
640 4.88
689 5.25
738 5.63
787 6.00
836 6.38
886 6.75
935 7.13
984 7.50
Page 16
range of 0−2000ppm as shown in the
2
DC Voltage CO PPM
2
6.0 1800
7.0 2000
8.0
DC Voltage Pressure "w.c.
6.0 4.5
7.0 5.0
8.0
DC Voltage Pressure "w.c.
6.0 0.4
7.0 0.5
8.0
0−10 m/sec
ft/min. m/sec.
0 0.00
74 0.50
148 1.00
221 1.50
295 2.00
369 2.50
443 3.00
517 3.50
590 4.00
664 4.50
738 5.00
812 5.50
886 6.00
959 6.50
1033 7.00
1107 7.50
1181 8.00
1255 8.50
1328 9.00
1402 9.50
1476 10.00
4. Sensors
DC Voltage
9.0
10.0
DC Voltage
9.0
10.0
DC Voltage
9.0
10.0
ft/min.
0
98
197
295
394
492
590
689
787
886
984
1082
1181
1279
1378
1476
1574
1673
1771
1870
1968