DigiAir Pro 3
Step 2 - Installation
DigiAir Pro 3 must be installed within an enclosure suitable for the installation
certification. The unit should be fixed securely using the adhesive pads supplied or
via the screw fixings accessible by removing the lid.
Once fitted, ensure:
• The aerial is connected or the ethernet cable is installed, as appropriate
• The alarm panel or PSU is powered down
• Wire the DigiAir Pro 3 in this order.
1. Negative (-) power,
2. Positive (+) power,
3. Serial cable or inputs
• If required, connect the serial cable - RS485, RS232 or TTL (panel dependent) – see
Panel Connections section for more information
• Connect any hardwired alarms into the device – see Pin Triggering section for more
information
• Connect the fault output
• Restore power to the alarm panel or PSU
IN ORDER TO MAINTAIN COMPLIANCE WITH THE REQUIREMENTS FOR
ELECTRICAL SAFETY THE DIGIAIR PRO 3 SHOULD BE POWERED FROM A
FUSED CONNECTION WITH THE FOLLOWING RATING:
• FOR A 12V DC SYSTEM (SUPPLY VOLTAGE IN THE RANGE 10V TO
14V DC) A FUSE RATED AT 1.25 A
•FOR A 24V DC SYSTEM (SUPPLY VOLTAGE IN THE RANGE 20V DC
TO 36V DC) A FUSE RATED AT 600 MA
IF THE POWER SOURCE IS NOT LIMITED TO THESE VALUES, THEN A FUSE
WITH THE CORRECT RATING MUST BE FITTED IN LINE WITH THE POSITIVE
CONNECTION FROM THE POWER SOURCE.
POSITIONING AERIAL
DO
• INSTALL VERTICALLY IN AN OPEN SPACE.
• COMPLETE A SIGNAL TEST BEFORE INSTALLING IN THE FINAL POSITION.
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