final bid specs 09328.pdf - Freese and Nichols, Inc.

D. CONTROL POWER: Control power shall be 120 VAC from a control transformer located in
each combination starter. Extra control transformer VA capacity shall be furnished for powering
the motor space heater in the motor which the combination starter serves. This extra VA
capacity shall be in addition to the VA required for the other control components powered by
the control transformer. The following is the amount of extra VA capacity which shall be furnished:
COMBINATION
NEMA SIZE
CONTROL TRANSFORMER
EXTRA VA CAPACITY
size 1 100
size 2 200
size 3 300
size 4 500
size 5 750
size 6 1000
This extra VA capacity shall be furnished in each combination starter regardless of where the
motor space heater received its power and regardless of whether the motor has a space
heater or not.
E. INTERRUPTING RATING: Both circuit breakers and combination starters as complete units
shall be rated for 42,000 Amps Interrupting Capacity (AIC).
F. ENCLOSURES: NEMA 12, 14 gauge steel for interior locations and NEMA 4X, 304 stainless
steel for all other locations.
1.07 COORDINATION
A. Coordinate layout and installation of enclosed controllers with other construction including
conduit, piping, equipment, and adjacent surfaces. Maintain required workspace clearances
and required clearances for equipment access doors and panels.
B. Coordinate sizes and locations of concrete bases with actual equipment provided. Cast anchor-bolt
inserts into bases.
C. Coordinate installation of roof curbs, equipment supports, and roof penetrations.
1.08 SPARE PARTS
A. Furnish spare parts that match products installed and that are packaged with protective covering
for storage and identified with labels describing contents.
2.00 PRODUCTS
1. Control Power Fuses: Equal to 10 percent of quantity installed for each size and type,
but no fewer than two of each size and type.
2. Indicating Lights: One of each type and color installed.
2.01 COMBINATION STARTER
A. The combination starter shall include a motor circuit protector (MCP) type circuit breaker or a
thermal magnetic type circuit breaker as indicated on the Plans. MCP's shall be magnetic trip
only with adjustable magnetic trip limited to 1300% of motor nameplate full load current to
comply with NEC requirements. Devices shown on the schematic and not specifically designated
as being elsewhere shall be installed inside the combination starter.
Enclosed Controllers 26 29 13 - 3
DRP09328