Internal Electronic Assemblies - Honeywell 3400 Installation Instructions Manual

CAUTION
Internal circuit card components are extremely sensitive to
electrostatic discharge. Prior to handling or touching internal circuitry,
discharge any static buildup on your person. To discharge yourself,
touch a grounded metal object such as conduit or an earth grounded
metal enclosure.
WARNING
Use of this instrument, the Honeywell E-Mon Class 3400, in a manner
inconsistent with this manual or not specified by the manufacturer in
writing, can cause permanent damage to the unit and/or serious injury
to the operator. The protection and safety features provided by this
equipment may become impaired or otherwise compromised.
NOTE: If any trouble arises during installation or functional verification opera-
tions, do not immediately remove unit. Before removing the unit, contact
Honeywell E-Mon's technical support department at (888) 516-9347.
Honeywell E-Mon's technical department will assist you in detailed trou-
bleshooting of the Class 3400 installation and assist you in getting the
unit operating correctly.

2.0 INTERNAL ELECTRONIC ASSEMBLIES

The units are comprised of two major subassembly boards, the main power board
and the display board. Both circuit boards are mounted inside a NEMA 4X
enclosure.
MAIN POWER
BOARD
Fig. 1. Internal Electronic Assemblies.
5
E-MON CLASS 3400 METER
DISPLAY
BOARD
M33315
62-0398—02