monel. Aluminum is unacceptable. Nomenclature (or
system identification) should be established by the
designer.
**************************************************************************
Major equipment including compressors, condensers, receivers, heat
exchanges, fans, and motors shall have the manufacturer's name, address,
type or style, model or serial number, and catalog number on a plate
secured to the item of equipment. Plates shall be durable and legible
throughout equipment life and made of [anodized aluminum] [stainless steel]
[_____]. Plates shall be fixed in prominent locations with nonferrous
screws or bolts.
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. Electrical characteristics shall be as
shown, and unless otherwise indicated, all motors of 746 kW 1 horsepower
and above with open, dripproof, totally enclosed, or explosion proof 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 NEMA MG 2 and be of sufficient size to drive the equipment at
the specified capacity without exceeding the nameplate rating of the motor.
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 duty requirements shall
allow for maximum frequency start-stop operation and minimum encountered
interval between start and stop. Motors shall be sized for the applicable
loads. Motor torque shall be capable of accelerating the connected load
within 20 seconds with 80 percent of the rated voltage maintained at motor
terminals during one starting period. Motor bearings shall be fitted with
grease supply fittings and grease relief to outside of enclosure. 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
UNITARY EQUIPMENT, ROOM UNIT
2.4.1
Window or Through-the-Wall Mounted Unit
**************************************************************************
NOTE: Indicate unit capacity, voltage, phase,
installation requirements, etc. on the drawings. At
a minimum, efficiencies for these units will be in
accordance with paragraph "Equipment Efficiency".
**************************************************************************
Unit shall be a [window] [through-the-wall] mounted, appliance grade,
factory assembled air-conditioner unit. Unit shall be in accordance with
SECTION 15700A
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