Honeywell Apex - Removing the Transmitter Unit Top

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MAN0604_Issue 09_02-2013 Apex
2110M8030
Note: Theboardissuppliedwiththemountingpillarsttedtoit.
Thisproceduredescribeshowto:
• remove the Transmitter Unit top
• remove the Main PCB assembly from the top
• t the LonWorks Communication Board to the Main PCB
• ret the Main PCB assembly into the top
• connect the LonWorks network wiring
• ret the Transmitter Unit top
• operational check and binding the LonWorks Communication Board to
the network
Refer to the General Installation Guidelines at the beginning of this chapter.
3.3.1 Removing the Transmitter Unit top
Cautions:
1. Observe precautions for handling electrostatic discharge sensitive devices.
2. EnsurethattheApexTransmitterUnitamepathisnotdamagedduringthisprocedure.
TheamepathisformedbythematingsurfacesoftheApexTransmitterUnittopand
base (see diagram).
(1) Isolate all associated power supplies and ensure that they remain OFF during this procedure.
Ensure a gas free atmosphere.
(2) DisconnectfromtheTransmitterUnitbasethewireretainingcablettedbetweenthetopand
the base.
Unscrew and remove the single M6 hexagon screw that secures the cable to the base.
3. INSTALLATION
Topretaining
cable
Unittop
ZIF
Locating
pins
External
earth
Unit base
Certified
Sensor mounting
point
Cable/conduit
entry (2 off)
Captive bolt
(3 off)
Interconnect
PCB
Ribbon cable
Flamepath
Flamepath
Cablesecuring
screw
Cable entry sealing plug