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DOE-SPEC-3021-97
Control and indicator circuits. All control and indicator circuits shall be either
3.5.3
120 Vac or 120 Vdc or lower. The UPS shall include step-down transformers if
necessary.
3.5.4
Access. All diodes, transistors, potentiometers, and like items shall be
inspectable and removable from the front of the cabinet (hinged panels open)
without requiring access to rear of the cabinet. All operating instruments,
adjustments and controls shall be operable from the front of the panel. Fuses
shall be accessible by opening hinged front panels.
Identification. Clearly identify each relay, meter, switch, indicating light, and like
3.5.5
item functionally by a black background, white-lettered, multi-layer nameplate
with corrosion-resistant, steel, self-tapping screws. The inscription shall describe
the function of the device and be subject to the Owner's review and comment.
Connectors. Provide the same compression-type connectors for the attachment
3.5.6
of ac-input, ac-output, and dc-input cables to suitable connection pads.
3.5.7
Pushbuttons. Pushbuttons, when provided, shall be heavy-duty, oil-tight type
recessed or provided with shroud ring.
3.5.8
Fuses. Control fuses shall be suitably rated, 250 V minimum cartridge type.
Miniature fuses are acceptable on logic circuits and PC boards.
Lights. All indicating lights shall use extra-long-life, low-voltage lamps.
3.5.9
Series-connected, current-limiting resistors may be used if required.
Spare parts. Provide a list of recommended spare parts identifying each and the specific
subassembly to which it applies. Indicate the expected life of the parts requiring
replacement and the minimum recommended inventory of the spare parts for installation
startup, continuous operation, and maintenance. State whether the recommended spare
part is a stock item or a special item, provide name and location of the nearest supplier,
and indicate the approximate lead time required for delivery.
Special tools. Provide all special tools necessary for installation, startup, operation,
maintenance, and adjustment of the equipment and of the accessories provided. Provide
a list of all special tools provided, identifying the function of each tool and the specific
items for which it is used.
3.8.1
Corrosion protection. Fabricate all UPS enclosure metal surfaces from
corrosion-resistant materials and as a minimum, protect by application of a
primer and a top coat. Application of primer shall be in accordance with
SSPC PA 1.
3.8.2
Documentation. Provide with the proposal, a complete description of the
proposed corrosion protection and coating, including applicable cleaning and
coating procedures.
Equipment marking. Attach a corrosion-resistant nameplate with clear legible writing,
screwed in four places onto each assembled piece of equipment, at an easily-visible place.
It shall provide all necessary information pertaining to the equipment but, as a minimum,
24


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