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ML0035 September 27, 2017 Copyright 2017 Bitronics, LLC
2.1 Installation
WARNING - INSTALLATION AND MAINTENANCE SHOULD ONLY BE
PERFORMED BY PROPERLY TRAINED OR QUALIFIED PERSONNEL.
2.2 Initial Inspection
Bitronics instruments are carefully checked and "burned in" at the factory before
shipment. Damage can occur however, so please check the instrument for shipping
damage as it is unpacked. Notify Bitronics LLC immediately if any damage has
occurred, and save any damaged shipping containers.
2.3 Protective Ground/Earth Connections
The device must be connected to Protected Earth Ground. The minimum Protective
Ground wire size is 2.5 mm
2
(#12 AWG). Bitronics LLC recommends that all
grounding be performed in accordance with ANSI/IEEE C57.13.3-1983.
2.4 Overcurrent Protection
To maintain the safety features of this product, a 3 Ampere time delay (T) fuse must
be connected in series with the ungrounded/non-earthed (hot) side of the supply input
prior to installation. The fuse must carry a voltage rating appropriate for the power
system on which it is to be used. A 3 Ampere slow blow UL Listed fuse in an
appropriate fuse holder should be used in order to maintain any UL product approval.
2.5 Supply/Mains Disconnect
Equipment shall be provided with a Supply/Mains Disconnect that can be actuated by
the operator and simultaneously open both sides of the mains input line. The
Disconnect should be UL Recognized in order to maintain any UL product approval.
The Disconnect should be acceptable for the application and adequately rated
for the equipment.
2.6 Instrument Mounting
The instrument may be mounted into a standard 4” round panel opening as shown in
Figure 2. The unit will mount through the 4-inch round panel opening from the front.
Align the four #10-32 studs attached to the flange with their appropriate mounting
holes, as shown by the panel hole pattern. Use four #10-32 nuts with lock washers
applied onto the studs from the back side of the panel.
Make sure that any paint or other
coatings on the panel do not prevent electrical contact.
WARNING – DO NOT over tighten the nuts on the mounting studs, HAND tighten with
a standard nut driver, 12 inch-pounds (1.36 N-m) is recommended, MAXIMUM torque
is 15 inch-pounds (1.69 N-m).
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