Honeywell Apex - Installing the Certified Junction Box

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MAN0604_Issue 09_02-2013 Apex
2110M8030
3. INSTALLATION
3.2.1 Installing the Certied Junction Box
Caution: EnsurethattheCertiedJunctionBoxamepathisnotdamagedduringthis
procedure.TheamepathisformedbythematingsurfacesoftheCertied
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.
(2) AttachtheCertied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CertiedJunctionBoxlid.
Unscrew the three captive M8 bolts. The lid is retained by a metal retaining cable attached to
the base.
Certification label
Lid retaining
cable
Certified Junction
Box Top
Flamepath
Interconnect
PCB
External
earth
Sensor mounting point
Cable / conduit
entry (2 off)
Captive bolt
(3 off)
Terminal block
(3 off)
Cable entry
sealing
plug (1 off)
Flamepath