Wiring Guidelines - Honeywell Vertex M Technical Handbook

Vertex M 24-Point Continuous Monitor
TM

2.8.2 Wiring Guidelines

To wire the alarm relays:
• Use agency approved wire (such as NRTL in
the U.S.) with 300 volt insulation.
CAUTION
Make sure there is proper separation be-
tween the mains power supply and alarm
wiring.
• Route relay wiring through raceway and out
through the top of the cabinet.
• Use shielded cable or conduit.
• Conduit must be earth grounded.
CAUTION
Failure to replace and retighten hardware
after servicing can adversely affect monitor
performance and EMC compliance. Make
certain all fasteners are reinstalled and firmly
tightened. This will ensure a proper ground.
• Use a single, solid or stranded wire (not
exceeding 14 gauge or 2.5 mm2) per
terminal block connection.
• Do not switch DC current with the relay
contact unless you are using counter
electromotive force (CEMF) protection such
as a suppression diode.
• Do not use the Vertex M System power
supply for external alarm power.
Section 2 - Installation
Note:
Make sure all connections comply with applicable
RFI/EMI standards.
Alarm Wiring Conduit Plate
2 in (50.8mm
Note:
The Alarm wiring conduit plate must remain in place
if not used.
Validating the System
The Vertex M and Chemcassette products' design,
manufacture, and recommended maintenance ensure
the correct operation of the system. For validation
or commissioning after installation by gas exposure,
these Technical Notes are available upon request from
Honeywell Analytics:
1998-0837 Calibration and Verification
1998-0219 Detector Testing Protocols
2-9
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