Page 2 - IMPORTANT SAFETY INSTRUCTIONS
2 IMPORTANT SAFETY INSTRUCTIONS 1. Read these instructions. 2. Keep this instruction. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with manufacturer instruction...
Page 4 - IMPORTANT; Bosch Security Systems
4 IMPORTANT For best results, please read this Instruction Booklet prior to installing the EX27 camera. This installation should be made by a qualified service person and conform to all local codes. Bosch Security Systems will not be responsible for injuries or damages resulting from the improper in...
Page 8 - camera assembly; ITEMS REQUIRED FOR INSTALLATION
8 2. UNPACKING Care should be taken when unpacking. Check the parts list and confirm all items have been located. Inspect the equipment thoroughly to ensure nothing was damaged in transit. Contact a Bosch Service Center if a problem is noted, see the rear page of this booklet for contact numbers. PA...
Page 9 - SPECIFICATIONS
Page 10 - EX27D MECHANICAL SPECIFICATIONS
Page 11 - INITIAL PREPARATIONS; Determine the operating voltage at the
11 5. INITIAL PREPARATIONS Determine the operating voltage at the installation site. All cameras have been tested prior to shipment. Select a suitable location that is protected from accidental damage, tampering, and environmental conditions exceeding the camera’s specifications. Caution: The se...
Page 13 - Electrically Isolated Board
13 7. VOLTAGE INPUT The camera unit is pre-connected with an electrically isolated power board for 24VAC or 12VDC operation with no wiring change or wiring polarity. See figure 7-1 for wiring details. Note: Input voltage is 10.5VDC to 40VDC for DC input. The AC input range is 12VAC to 28VAC. Power I...
Page 14 - CAMERA AND LENS ACCESS; on
14 8. CAMERA AND LENS ACCESS The following steps show the installer how to access the camera board and the camera lens. Step 2.1 - Remove the four cap screws with a 3mm Allen key. See Figure 8-1 on page 15. Step 2.2 - Carefully slide out the rear housing from the main enclosure. Make sure the gasket...
Page 15 - Rear Housing Removal; Cap
Page 16 - Camera and Lens Access
Page 17 - PHOTOCELL ADJUSTMENTS; only; adjust these settings if experiencing; EX27N LED Array Power Board
17 9. PHOTOCELL ADJUSTMENTS The photocell settings are optimally set from the factory; only adjust these settings if experiencing undesired day/night switching operation. To increase the night switching sensitivity turn the dial clockwise, to increase the day switching sensitivity turn the dial coun...
Page 18 - Adjustment; Photocell Adjustment
18 FIGURE 9 – 2 EX27/EX27D Day/Night Switch Adjustment Photocell Adjustment
Page 19 - LENS ADJUSTMENTS; EX27 Vari-focal Lens Focus Adjustment
19 10. LENS ADJUSTMENTS Refer to figure 10-1 and follow the directions below: Loosen the lens set screws for focus/zoom adjustments. The adjustment marked T ←→ W is for image zoom. The adjustment marked N ←→ ∞ is for image focus. Re-tighten the setscrews after focus adjustments have been com...
Page 21 - Section 8
21 11. OSD MENU SYSTEM 1. Follow the instructions in Section 8 to access the OSD controls. 2. Enter the OSD menu by pressing the joystick button; to navigate through the menu use up, down, left and right. 3. Follow the instructions below to make camera adjustments.
Page 40 - TROUBLESHOOTING GUIDE; PROBLEM
40 12. TROUBLESHOOTING GUIDE PROBLEM POSSIBLE CAUSE LIKELY SOLUTION No Video 1. Power Supply: -Connections…. -Voltage Range... Check input power connections at the cable leads. Check for loose wires. If connected to DC, check voltage input range of 10.5 - 40 V. If connected to AC, check input voltag...
Page 41 - a Bosch
41 No Video (cont’d.) __________ Poor Picture Quality Snowy Image 2. Video Connections ________________ Poor Video Signal Determine if wiring polarity at “Video Connector” terminal block is correct. Check BNC connector. If still no video, connect the camera directly to the monitor. Check the video s...
Page 43 - GENERAL SPECIFICATIONS; VAC
43 13. GENERAL SPECIFICATIONS Input Voltage: 10.5-40 VDC 12-28 VAC (50/60Hz), 4.5W Enclosure (housing): Aluminum casting and extrusion (sealed to IP66 / NEMA4) Viewing Window: Polycarbonate Weight: 1.4kg ( 3.1lbs. ) Subject to Change Without Notice.