1. Press Set 2. Press CALIBRATE. 3. Press the number (1 to 4) of the selected temperature zone to be calibrated. 4. Enter the number required to offset the current temperature reading so a correct reading is obtained. • To program a positive offset number (up to +10 degrees), enter the number on the keypad. [...]
The WaterBug units relays are in “alarm” states until powered is applied to them. So with this in mind the NO relay will read as closed and the NC relay will read as open until power is applied. This helps ensure that should the WaterBug lose power it will trigger an alarm.
The BBA-2500 systems are not true “photoelectric sensors” they actually use infrared break beams, so to trigger the system both beams need to be broken simultaneously by something warm, such as a hand, arm etc. when testing. Some customers have been testing the units using pieces of cardboard etc. which block the beam, but will [...]
The black wire is negative and the white is positive when used with our DXADAPTER1700U.