Emerson FPCSK - Appendix; 7.1 Specifications; 7.1.1 Electronic bypass

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Chapter 7 - Appendix
7.1 Specifications
7.1.1 Electronic bypass
The Electronic bypass package features a user friendly application specific
keypad to simplify operation and provide status indication.
Approvals:
VFD Section – UL508C
Bypass Section – UL508A
Design: 3 contactor bypass
NEMA 1 enclosure
Electronic bypass keypad / annunciator panel
32-bit Microprocessor
Hand/Off/Auto pushbuttons
Test/VFD/Bypass pushbuttons
Auto transfer to bypass on fault (selectable)
Damper Mode (programmable)
Damper actuator control (5 Amps @ 125 Vac relay contact)
Smoke / fire alarm – programmable to:
Purge mode
Zero speed mode
Four (4) relay outputs.
Dry contact digital i
nputs
Narrow footprint
PID controller
Class 20 motor overload relay
One (1) analog output:
0-10 Vdc, scalable
Two (2) analog inputs – programmable for:
0-10 Vdc, scalable
4-20 mA, scalable (default auto speed input)
Speed search function
Digital manual speed control
Operating conditions:
Altitude: to 3,300 ft, higher with derating
Ambient operating temp. +32
o
to +104
o
F (0
o
to +40
o
C)
Storage temp .-40
o
to +140
o
F (-40
o
to +60
o
C)
95% relative humidity, non-condensing.
Input voltage +10%, -10%. 208, 230 and 460 Vac
Protected from exposure to direct sunlight