You can change the relay set point for your particular ozone sensor by adjusting the dip switches on the sensor board. If your sensor isn’t listed, contact Aeroqual.
| Relay dip switch (1 2 3 4) | Ozone 0-0.150ppm (SM70 UZ) | Ozone 0-0.5ppm (SM70 LZ) | Ozone 0-10ppm (SM70 GZ) |
|---|---|---|---|
| on on on on | 0.000 | 0.000 | 0 |
| off on on on | 0.010 | 0.025 | 0.5 |
| on off on on | 0.020 | 0.050 | 1 |
| off off on on | 0.030 | 0.075 | 1.5 |
| on on off on | 0.040 | 0.100 | 2 |
| ***off on off on**** | 0.050* | 0.125* | 2.5* |
| on off off on | 0.060 | 0.150 | 3 |
| off off off on | 0.070 | 0.175 | 3.5 |
| on on on off | 0.080 | 0.200 | 4 |
| off on on off | 0.090 | 0.250 | 4.5 |
| on off on off | 0.100 | 0.225 | 5 |
| off off on off | 0.110 | 0.300 | 6 |
| on on off off | 0.120 | 0.350 | 7 |
| off on off off | 0.130 | 0.400 | 8 |
| on off off off | 0.140 | 0.450 | 9 |
| off off off off | 0.150 | 0.500 | 10 |
*The relay set point is factory set (unless otherwise specified) to off on off on.