MAINTENANCE................14 5.1 Battery Change SPECIFICATIONS ................15 6.1 Indoor Alarm Display 6.2 Outdoor Transmitter 6.3 IC and FCC 15 Approval WARRANTY ..................16 Printed in Canada Rev 2.2 December 2020 Serial #DW110-01000 and up Model 110 Operating Manual Page 2...
2. APPLICATION The Sentry liquid level alarm continuously monitors a water level, rising (high level) or falling (low level), that may cause an alarm condition. Application examples are pump chambers, cisterns, holding tanks, sumps, fl...
FIG 6. 3. INSTALLATION 3.1 Mount Indoor Alarm Display Mount the Sentry indoor alarm display at a convenient viewing location. Select an eye level location that is frequented, near a 120VAC receptacle. Power to the receptacle should be supplied from a circuit separate from any pump that is being monitored by this alarm.
For a HIGH ALARM the LED will be green and on steady with the probe out of the liquid. When the probe is lowered into the liquid, the LED will turn fl ashing red and the audible alarm will pulse. Silence the audible Model 110 Operating Manual Page 5...
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When the probe is lowered into the liquid the LED will turn steady green indicating alarm is monitoring. Repeat this sequence to prove the operation. For any other conditions see the State Table in section 4.1. Model 110 Operating Manual Page 6...
RED / LOW VOLTAGE OR Connect probe wires (See FIG 4) YELLOW CONTINUOUS PROBE DISCONNECTED Check probe wire for damage; make a FLASHING waterproof repair As it was CHIRP LOW BATTERY Replace batteries (See 5.1) Model 110 Operating Manual Page 12...
Select channel 1 or 2 by installing the jumper off one pin for Factory preset Channel # Flashes Frequency channel 1 or shorting the pins for channel 2. Flash the LED once or up to 6 times to select a frequency. Model 110 Operating Manual Page 13...
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Wait for 5 seconds, and the LED will fl ash back what has been programmed.After another 5 second delay it will fl ash once or twice confi rming the channel setting. The transmitter will then go into normal operation. Model 110 Operating Manual Page 14...
See FIG 4. Follow the diagrams on the battery holder for correct battery installation; positive and negative battery ends installed as shown on the battery holder. Replacement batteries must be new, fresh and replaced as a set of four. Model 110 Operating Manual Page 15...
The enclosed device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (i) this device may not cause harmful interference and (ii) this device must accept any interference received, including interference that may cause undesired operation. Model 110 Operating Manual Page 16...