Mounting Procedure; Cover Removal - Eaton Cutler-Hammer RTHMFDA20100WSU Instructions Manual

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Carefully remove all packing material from the transfer
switch at the mounting location. Do not discard the Top
Cardboard Pad. It is used as a template for locating the
mounting holes. Even though an equipment inspection
was made when the equipment was received, make
another careful inspection of the enclosure and the
enclosed transfer switch as packing material is removed
and the enclosure readied for mounting. Be especially
alert for distorted metal, loose wires or damaged
components.

4.3 MOUNTING PROCEDURE

!
EXTREME CARE SHOULD BE TAKEN TO PROTECT
THE TRANSFER SWITCH FROM DRILL CHIPS, FIL-
INGS AND OTHER CONTAMINANTS WHEN MAKING
THE CABLE ENTRY HOLES AND MOUNTING THE
ENCLOSURE TO PREVENT COMPONENT DAMAGE
OR A FUTURE MALFUNCTION .
NOTICE
The installation must comply fully with all applicable
codes, standards and regulations.
With the enclosed transfer switch equipment unpacked
and ready for mounting, proceed with these steps:
Step 1: Remove the 4 cover screws and place the
cover in a safe place (Figure 4-3).
Step 2: Before removing the 4 screws that hold the top
Dead Front cover in place, disconnect the 5
white plugs on the logic board. Care should be
taken when it is placed aside. Remove the 4
screws from the bottom Dead Front and place
it in a safe place (Figure 4-4).
Step 3: Depending upon customer preference and
Transfer Switch location, the knockouts may
be used or additional holes may be drilled for
cable entry and control wiring.
CAUTION
NOTICE
For control wiring (Generator start wiring), these
wires must be isolated from both power source
cables.
Step 4: Mount the switch to a rigid structure as close to
the electrical loads as possible. Use the card
board template provided to mark the mounting
pattern, and start the mounting hardware sev-
eral turns into the mounting structure. Lift the
switch over the embossed teardrop mounting
holes and secure the mounting screws.
Step 5: Connect cables as follows (Figure 4-5):
• NORMAL (utility) power cables to
terminals N1, N2.
• EMERGENCY (generator) power cables
to E1, E2.
• Customer load cables to T1, T2.
• NEUTRAL cable to Neutral terminal.
• GROUND wire to green 1/4-20 bolt.
Step 6: Generator start terminals are red and numbered
51, 52. They are located in the lower right hand
corner of the power panel, and used when the
generator has an automatic start feature.
Step 7: Tighten all cables and wiring to the specifictions
Figure 4-3 Cover Removal
I.B. ATS-RM05
4 Screws
Effective 6/01