Instruction/ maintenance manual of the product EH4718DB Pelco
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EH4712DB/ EH4718DB Series Envir onmental Enclosur es Installation/ Operation Manual C1446M-B (7/98) ® Pelco • 3500 Pelco Way, Clovis • CA 93612-5699 USA • www.
2 Pelco Manual C1446M-B (7/98) REVISION HISTOR Y Manual # Date Comments C1446M 6/96 Original version. C1446M-A 6/97 Revised to include EH4712DB Series models. C1446M-B 7/98 Added marine/high moisture environment modification procedure. Removed defroster kit and service information.
Pelco Manual C1446M-B (7/98) 3 Please thoroughly familiarize yourself with the information in this manual prior to installation and operation. 1.0 GENERAL 1.1 IMPORT ANT SAFEGUARDS AND W ARNINGS Prior to installation and use of this product, the following W ARNINGS should be observed.
4 Pelco Manual C1446M-B (7/98) 2.0 DESCRIPTION The EH4712DB and EH4718DB environmental enclosures are constructed of alu- minum. The enclosures are installed by attaching the top of the unit to a mounting surface. A door in the bottom drops open for access during installation or to make camera/lens adjustments.
Pelco Manual C1446M-B (7/98) 5 3.0 INST ALLA TION 3.1 ENCLOSURE MOUNTING 1. Place the enclosure on a flat surface with the bottom facing up. Open the door . 2. Remove the camera sled from the rail (refer to Figure 1 for the location of the camera sled): a.
6 Pelco Manual C1446M-B (7/98) Figure 1. EH4712DB/EH4718DB Exploded Assembly Diagram SCREW (2) ENCLOSURE LID CAMERA SLED ENCLOSURE BODY SCREW (2) WA SHER (2) VENT COVER PLA TE VENT GRILL FOAM FIL TER.
Pelco Manual C1446M-B (7/98) 7 10 .T wo vent cover plates with gaskets affixed come attached to the camera sled as loose equipment. Locate them for use in the following steps. On the bottom of the enclosure, remove two screws and washers that attach the vent grill and foam filter to the front of the enclosure.
8 Pelco Manual C1446M-B (7/98) DIFFERENT POWER REQUIREMENTS 1. Bring in wires for AC high and AC neutral for the camera. If you are using 24 V AC, refer to T able A to determine the size of wire to use. 2. Refer to Figure 2 and connect the wires as follows: a.
Pelco Manual C1446M-B(7/98) 9 Figure 2. EH4712DB/EH4718DB Series Input Wiring Diagram.
10 Pelco Manual C1446M-B (7/98) W ire Gauge T able A. 24 V AC Wiring Distances The following are the recommended maximum distances for 24 V AC applications and are calculated with a 10-percent voltage drop. (10-percent is generally the maxi- mum allowable voltage drop for AC-powered devices.
Pelco Manual C1446M-B (7/98) 11 Models with Heater-Blower (-1/-2/-3) - Refer to Figure 2 and wire the motorized zoom lens control as follows: a. Connect or wire the lens control from the camera to the LENS or LENS CONTROL connector on the circuit board.
12 Pelco Manual C1446M-B (7/98) 4.0 OPERA TION Models with Heater-Blower (-1/-2/-3) Only - The fan thermostat on the circuit board is set to turn on the fan between 77 ° and 93 ° F (25 ° and 34 ° C) and to turn of f the fan between 62 ° and 78 ° F (17 ° and 26 ° C).
Pelco Manual C1446M-B (7/98) 13 5.0 MAINTENANCE Perform the following maintenance at regularly scheduled intervals to prolong the operational life and appearance of the equipment. 1. Clean the window with a mild nonabrasive detergent in water and a soft cloth to maintain picture clarity .
14 Pelco Manual C1446M-B (7/98) 6.0 SPECIFICA TIONS ELECTRICAL Input Voltage: 24, 120 or 230 VAC, 50/60 Hz Electrical Connections: One each of the following: 3-connector terminal block for power input.
Pelco Manual C1446M-B (7/98) 15 GENERAL Environment: Indoor/outdoor -10 ° to 120 ° F (-23 ° to 49 ° C) Can be modified for use in a marine or high-moisture environ- ment. (Design and product specifications subject to change without notice.) Figure 3.
16 Pelco Manual C1446M-B (7/98) 7.0 WARRANTY AND RETURN INFORMA TION Pelco, the Pelco logo, Camclosure, Esprit, Genex, Legacy, and Spectra are registered trademarks of Pelco. Endura and ExSite are trademarks of Pelco. © Copyright 1998, Pelco. All rights reserved.
An important point after buying a device Pelco EH4718DB (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Pelco EH4718DB 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 Pelco EH4718DB - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Pelco EH4718DB you will learn all the available features of the product, as well as information on its operation. The information that you get Pelco EH4718DB will certainly help you make a decision on the purchase.
If you already are a holder of Pelco EH4718DB, 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 Pelco EH4718DB.
However, one of the most important roles played by the user manual is to help in solving problems with Pelco EH4718DB. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Pelco EH4718DB 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