VESDA VLF-500-UL 7Ed Product Guide VESDA
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2.7 Wiring Connections
Precaution: Electrostatic discharge precautions need to be taken prior to removing the front cover from the
detector.
2.7.1 Detector cabling requirements
The screw type terminals located on the termination card within the VESDA VLF will accept wire sizes from
30 – 12 AWG (0.2 mm² to 2.5 mm²).
Refer to Codes and Standards Information for Air Sampling Smoke Detection on page iii for code-specific
requirements.
Refer to the VESDA System Design Manual for cabling details.
To reach the terminal block, open the field service access door, refer to Section 6.3 on page 31, and then
unscrew the front cover retaining screws. Lift off and swing down the front cover. The terminal block is located
on the right hand side of the detector.
Legend
A Terminal block, connectors 1-20
Figure 2-8: Terminal Block