Instruction/ maintenance manual of the product 7940-8770 Ingersoll-Rand
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© 2006 Ingersoll-Rand Company Limited Hardware Products 121 West Railroad Avenue Princeton, I L 6 1356 -0100 1-800-52 6 - 2400 F A X: 800- 248- 1460 w w w .
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.
75.5255.02 XXXXXXXX 7940-8770 LCN Page 2 of 11 SA FETY PRECAUTIONS ME CH ANI CAL INSTALLATION - PREPARATION ME CH ANI CAL INSTALLATION – PLACEMENT OF THE SENSOR Wa l l Sw it ch Wal l Sw it ch Presen ce Sens or 20” min 20” m in Presence Sensor • Shut off all power going to the header before atte mpting any wiring procedures.
75.5255.02 XXXXXXXX 7940-8770 LCN Page 3 of 11 ELECTRICAL INSTALLATION AND CAB LING ME CH ANI CAL INSTALLATION 1. The extrusion has pre-drilled mounting holes at each end as shown below in pictures 5 & 6.
75.5255.02 XXXXXXXX 7940-8770 LCN Page 4 of 11 ME CH ANI CAL ADJ UST MENT S POWER-UP PROCEDURES Once all installation, wiring and cabling procedures hav e been completed, mecha nical adjustments can be made. Please note that further adjustments may be required afte r powering and walk testing the detection field.
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 r educe cross talk between duel egress a pplications.
75.5255.02 XXXXXXXX 7940-8770 LCN Page 6 of 11 PROGRAMMING GUIDE – GENERAL FUNCTIONS REMOTE P/N 7940-461 NOTE : AUTOMATI C SETUP : When performing an automatic setup (setup key pre ssed twice in a r.
75.5255.02 XXXXXXXX 7940-8770 LCN Page 7 of 11 PROGRAMMING GUIDE – PA TTERN ADJ UST MENT S NOTE : THRESHOLD : The Threshold is always O FF 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 value key has been pressed.
75.5255.02 XXXXXXXX 7940-8770 LCN Page 8 of 11 MA NUAL (NON-REMOTE) SET-UP Without the LCN Remote Control, the Presence Sens or may be set up using the manual push buttons (see diagram below) located under the right end cap.
75.5255.02 XXXXXXXX 7940-8770 LCN Page 9 of 11 PRESENCE SENSOR WIDTH PA TTERN S PRESENCE SENSOR DEPTH PA TTERN S Row 1 (spots 1 through 6), remain on, even during the closed door position 1 2 3 4 5 6 .
75.5255.02 XXXXXXXX 7940-8770 LCN Page 10 of 11 TROUBLE- SHOOTING PRESENCE SENSOR DEPTH PA TTERN S - Cont. Row 1 (spots 1 through 6), are on during open doo r position and off during closed door position.
75.5255.02 XXXXXXXX 7940-8770 LCN Page 11 of 11 TROUBLE- SHOOTING – Cont. ACCESSORIES PROBLEM PROB A BLE C A U SE 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.
An important point after buying a device Ingersoll-Rand 7940-8770 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Ingersoll-Rand 7940-8770 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Ingersoll-Rand 7940-8770 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Ingersoll-Rand 7940-8770 you will learn all the available features of the product, as well as information on its operation. The information that you get Ingersoll-Rand 7940-8770 will certainly help you make a decision on the purchase.
If you already are a holder of Ingersoll-Rand 7940-8770, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Ingersoll-Rand 7940-8770.
However, one of the most important roles played by the user manual is to help in solving problems with Ingersoll-Rand 7940-8770. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Ingersoll-Rand 7940-8770 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
