Installing The Certified Junction Box - Honeywell Apex Technical Handbook

MAN0604_Issue 09_02-2013
2110M8030

3.2.1 Installing the Certified Junction Box

Caution: Ensure that the Certified Junction Box flamepath is not damaged during this
procedure. The flamepath is formed by the mating surfaces of the Certified
Junction Box top and base (see diagrams).
(1) Isolate all associated power supplies and ensure that they remain OFF during the installation
procedure. Ensure a gas free atmosphere.
Lid retaining
cable
Flamepath
Terminal block
(3 off)
External
earth
Cable / conduit
entry (2 off)
Cable entry
sealing
plug (1 off)
(2) Attach the Certified Junction Box to the supporting structure.
Drill two mounting holes (68mm apart) and use the unit's mounting slots in the base with
either two M10 bolts or a single 10mm U-bolt.
(3) Remove the Certified Junction Box lid.
Unscrew the three captive M8 bolts. The lid is retained by a metal retaining cable attached to
the base.
3. inSTAllATiOn
Interconnect
PCB
Captive bolt
Sensor mounting point
33
Certification label
Certified Junction
Box Top
Flamepath
(3 off)
Apex