rotors, motors, drive components, pumps, reactivation components and
filtration to provide automatic continuous operation. Internal
regeneration heat sources shall be a part of the system, except external
heat sources may be used under the following conditions: connections to
external heat sources shall be fully coordinated with the system
manufacturer, and connecting equipment such as pumps, piping, traps, etc.,
shall be as shown on the drawings and schedules. The desiccant shall be of
the [solid type on a rotary wheel] [liquid type utilizing spray coils].
2.2
NAMEPLATES
Each major component of equipment shall have the manufacturer's name,
address, type or style, and catalog or serial number on a plate securely
attached to the item of equipment. Nameplates shall be secured to the
cabinet of dry desiccant units, indicating the equipment enclosed within
the cabinet behind the nameplate. Cabinets shall have hinged panels, as
specified, to facilitate maintenance of the component described on the
nameplate secured to the cabinet.
2.3
ELECTRICAL WORK
**************************************************************************
NOTE: Where motor starters for mechanical equipment
are provided in motor-control centers, the
references to motor starters will be deleted.
**************************************************************************
Electrical equipment, motors, motor efficiencies, and wiring shall be in
accordance with Section 16402 INTERIOR DISTRIBUTION SYSTEM. Electrical
motor driven equipment specified shall be provided complete with motors,
motor starters, and controls (including variable speed control of process
air flow for solid units, where applicable). Electrical characteristics
and enclosure type shall be as shown, and unless otherwise indicated, all
motors of 1 horsepower and above with open, dripproof, or totally enclosed
fan cooled enclosures, shall be high efficiency type. Field wiring shall
be in accordance with manufacturer's instructions. Each motor shall
conform to NEMA MG 1 and be of sufficient size to drive the equipment at
the specified capacity without exceeding the nameplate rating of the motor.
All motors shall be continuous duty with the enclosure specified. Motor
starters shall be provided complete with thermal overload protection and
other appurtenances necessary for the motor control indicated. Motors
shall be furnished with a magnetic across-the-line or reduced voltage type
starter as required by the manufacturer. Motor starter shall be provided
with [NEMA 1] [NEMA 3R] [NEMA [_____]] enclosures. Manual or automatic
control and protective or signal devices required for the operation
specified and any control wiring required for controls and devices
specified, but not shown, shall be provided.
2.4
MATERIALS
2.4.1
Gaskets
Gaskets shall conform to ASTM F 104 classification for compressed sheet
with nitrile binder and acrylic fibers for maximum 371 degrees C 700
degrees F service.
2.4.2
Bolts and Nuts
Bolts and nuts, except as required for piping applications, shall be in
SECTION 15500A
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