© 2006 ingersoll-rand company limited hardware products 121 west railroad avenue princeton, il 61356-0100 1-800-526-2400 fax: 800-248-1460 www.Lcn.Ingersollrand.Com lc n lc n 7940-8770 presence sensor ® ® installation instructions.
75.5255.02 xxxxxxxx 7940-8770 lcn page 1 of 11 description technical specifications component id installation tips the sensor must be firmly fastened to prevent vibration. The lcn presence sensor (pn: 750182-00) is a self-monitored ready overhead-mounted diffused active infrared sensing device tha...
75.5255.02 xxxxxxxx 7940-8770 lcn page 2 of 11 safety precautions mechanical installation - preparation mechanical installation – placement of the sensor wall switch wall switch presence sensor 20” min 20” min presence sensor • shut off all power going to the header before attempting any wiring proc...
75.5255.02 xxxxxxxx 7940-8770 lcn page 3 of 11 electrical installation and cabling mechanical installation 1. The extrusion has pre-drilled mounting holes at each end as shown below in pictures 5 & 6. 2. Hold the presence sensor up to the pre-determined location, and attach using the 2 self-drilling...
75.5255.02 xxxxxxxx 7940-8770 lcn page 4 of 11 mechanical adjustments power-up procedures once all installation, wiring and cabling procedures have been completed, mechanical adjustments can be made. Please note that further adjustments may be required after powering and walk testing the detection f...
75.5255.02 xxxxxxxx 7940-8770 lcn page 5 of 11 lcn’s universal remote control double egrees: reducing cross talk perform the following set up using lcn’s remote control to reduce cross talk between duel egress applications. Refer to the figure on page 2 to ensure the two presence sensors are install...
75.5255.02 xxxxxxxx 7940-8770 lcn page 6 of 11 programming guide – general functions remote p/n 7940-461 note: automatic setup: when performing an automatic setup (setup key pressed twice in a row), the sensor will begin to flash green during the door closed position, and will continue to do so unti...
75.5255.02 xxxxxxxx 7940-8770 lcn page 7 of 11 programming guide – pattern adjustments note: threshold: the threshold is always off when the door is closed. Note: pattern width or depth: when pattern width or depth is changed, a setup of the new pattern size will automatically be triggered once a va...
75.5255.02 xxxxxxxx 7940-8770 lcn page 8 of 11 manual (non-remote) set-up without the lcn remote control, the presence sensor may be set up using the manual push buttons (see diagram below) located under the right end cap. Only the sensitivity, relay mode, auto-learn time, pattern width, and pattern...
75.5255.02 xxxxxxxx 7940-8770 lcn page 9 of 11 presence sensor width patterns presence sensor depth patterns row 1 (spots 1 through 6), remain on, even during the closed door position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21...
75.5255.02 xxxxxxxx 7940-8770 lcn page 10 of 11 trouble- shooting presence sensor depth patterns - cont. Row 1 (spots 1 through 6), are on during open door position and off during closed door position. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15...
75.5255.02 xxxxxxxx 7940-8770 lcn page 11 of 11 trouble- shooting – cont. Accessories problem probable cause corrective action 1. Allow the door to open in the automatic mode. Unlock the presence sensor and launch a setup by pressing the setup key, followed by the number 2. If the sensor does not be...
