Complete Compiled Specification.pdf - Peck Ormsby Construction

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2. Unit-Mounted Non-Fused Disconnect:
Unit shall be supplied with factory-installed, non-fused electrical disconnect for main power
supply.
3. Minimum Load Control:
Unit shall be equipped with factory installed, microprocessor-controlled, minimum load control
that shall permit unit operation down to a minimum of 15% capacity.
4. Energy Management Control Module:
A factory or field-installed module shall provide the following energy management
capabilities:
4 to 20 mA signals for leaving fluid temperature reset, cooling set point reset or demand limit
control and 2-step demand limit control (from 0% to 100%) activated by a remote contact
closure.
5. Condenser Coil Trim Panels and Security Grilles:
Unit shall be supplied with factory or field-installed coil covers and painted grilles to protect
the condenser coil and internal chiller components from physical damage.
6. Hail Guards:
Field-installed accessory kit shall include set of metal grilles for the protection of the
condensing coils from hail damage.
7. BACnet Translator Control:
Unit shall be supplied with field-installed interface between the chiller and a BACnet Local
Area Network (LAN, i.e., MS/TP EIA-485).
8. Touch Display:
9. Freeze Protection Cooler Heaters:
Cooler heaters provide protection from cooler freeze-up to –20 F.
10. Low-Sound Compressor Enclosures:
Provide sound reduction for the scroll compressors through enclosure and blankets not to
exceed the following: Overall sound power level = 90.0 dBA
Distance
from side of
unit (feet)
Free field
sound
pressure
3 75.6
5 73.4
10 69.6
15 66.9
20 64.9
25 63.3
30 61.9
35 60.7
40 59.6
45 58.7
50 57.9
55 57.1
60 56.4
65 55.7
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION March 2, 2009
HEATING-COOLING 15700-6