Specifications - State of Delaware

SECTION 262900 - MOTOR CONTROLLERS, CONTACTORS, PUSH BUTTONS, SELECTOR
SWITCHES, INDICATING LIGHTS AND RELAYS: continued
h. Hertz.
i. Acceleration potentiometer (0.5 to 30 Hz per second with a range of 1-60 seconds
for 0-60 Hz).
j. Deceleration potentiometer (0.5 to 30 Hz per second with a range of 1-60 seconds
for 0-60 Hz).
k. Output meter, with voltage, amps, and kilowatt readings.
l. Motor running elapsed time hour meter.
m. Remote-Local selector switch.
n. Manual-Off-Automatic selector switch.
7. Start/stop momentary push buttons. In the manual position unit front door mounted push
button controls are operational. In the automatic mode the unit front door mounted push
buttons are not operational.
a. Provide additional controls as indicated:
(1) Controller inverter mode "ON" DPDT status relay.
(2) 0-5Vdc analog speed reference output that is proportional to 0-60 Hz output.
(3) Field wiring terminal block.
8. Spare Parts: Complete set of recommended start-up spare parts including a complete set
of power fuses for each unit.
9. Provide kilowatt-hour meter. Meter shall be connected to Facility Energy Management
System.
2.02 PUSH BUTTONS AND SELECTOR SWITCHES:
A. Provide round, heavy-duty type. Provide NEMA Type 13, oil-tight for dry indoor applications.
Provide NEMA 4, watertight for outdoor and indoor wet locations.
B. Provide number of and type of momentary contacts for push buttons, contact configuration and
selector switch positions as required, indicated or specified.
C. Provide start push buttons with guards. Provide mushroom head operators where specified or
indicated.
D. Provide round push buttons with button approximately 1 inch in diameter and with integral
legend plate.
E. Provide maintained position, round, selector switches with integral legend plate and knob type
operators unless required, specified or indicated otherwise.
F. Provide identification in conformance with SECTION 260553.
G. Provide illuminated push buttons where indicated or specified.
2.03 INDICATING LIGHTS:
A. Provide NEMA Type 13 oil-tight for dry indoor applications. Provide NEMA
Type 4 watertight for outdoor and indoor wet locations.
B. Provide transformer type, with round lens approximately 1 inch in diameter with integral
legend plate. Provide voltage rating as required for 60 Hz application.
C. Provide lens color as specified, required or indicated.
D. When mounted separately, provide NEMA 1 enclosure for dry indoor locations and
NEMA 4 enclosure for outdoor and indoor wet locations.
E. Provide identification in conformance with SECTION 260553.
F. Provide push to test indicating lights where indicated.
G. Furnish one spare indicating lamp for each indicating light.
262900-6 DEAN262900.DOC