Mechanical ventilation systems shall be in accordance with Section 15895
AIR SUPPLY, DISTRIBUTION, VENTILATION, AND EXHAUST SYSTEM.
3.1.3
Field Applied Insulation
Field installed insulation shall be as specified in Section 15080A THERMAL
INSULATION FOR MECHANICAL SYSTEMS, except as defined differently herein.
3.1.4
Field Painting
Painting required for surfaces not otherwise specified, and finish painting
of items only primed at the factory are specified in Section 09900 PAINTS
AND COATINGS.
3.2
MANUFACTURER'S FIELD SERVICE
The services of a factory-trained representative shall be provided for
[_____] days. The representative shall advise on the following:
a.
Hermetic machines:
(1) Testing hermetic water-chilling unit under pressure for
refrigerant leaks; evacuation and dehydration of machine to an
absolute pressure of not over 300 microns.
(2)
Charging the machine with refrigerant.
(3)
Starting the machine.
b.
Open Machines:
(1)
Erection, alignment, testing, and dehydrating.
(2)
Charging the machine with refrigerant.
(3)
Starting the machine.
c.
Absorption Units:
(1)
Testing and evacuation.
(2)
Charging the machine with refrigerant.
(3)
Starting the machine.
3.3
CLEANING AND ADJUSTING
Equipment shall be wiped clean, with all traces of oil, dust, dirt, or
paint spots removed. Temporary filters shall be provided for all fans that
are operated during construction, and new filters shall be installed after
all construction dirt has been removed from the building. System shall be
maintained in this clean condition until final acceptance. Bearings shall
be properly lubricated with oil or grease as recommended by the
manufacturer. Belts shall be tightened to proper tension. Control valves
and other miscellaneous equipment requiring adjustment shall be adjusted to
setting indicated or directed. Fans shall be adjusted to the speed
indicated by the manufacturer to meet specified conditions. Testing,
adjusting, and balancing shall be as specified in Section 15990A TESTING,
SECTION 15620A
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