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Hubbell Industrial Controls, Inc.
Electric Fire Pump Controllers
Specifications for LXi 1400 Controllers * Primary Resistor Starting * July 2002
The fire pump controller shall be factory assembled, wired, and tested as a unit assembly, shall conform to the requirements of the
latest editions of NFPA-20 and NFPA-70, and shall be Listed/Approved by and bear the label of UL/FM. The controller shall be
Hubbell-Lexington LXi 1400 equipped with LXi logic.
The controller shall be of the combined manual/automatic type and be furnished in a floor mounted drip-proof steel Type 2
enclosure with lifting eyes. The enclosure shall be red with a non-glare surface. The controller shall be for primary resistor starting
and designed, tested, and marked for the rated horsepower and 3-phase voltage and frequency in a 40 degree C. ambient.
All electrical components shall be accessible from the front for maintenance and service. No components or component wiring shall
be permitted on the door of the enclosure. The controller shall have a common operating handle for both the line isolating switch and
the controller circuit breaker mounted in the enclosure flange. The minimum withstand rating for the fire pump controller shall be
150,000 amps RMS symmetrical at 200-600volts. The unit shall be Listed/ Approved with UL/FM as “Suitable For Use As Service
Equipment”.
The controller shall have separate and independent pressure settings with minimum run timing capable of a setting of 10 minutes.
Settings of the pressures shall be established at the time of the field acceptance test. Provisions shall be included to allow manual or
automatic shutdown in the field.
The controller shall have two sets of Form “C” contacts for Pump Running, Phase Reversal, Power/Phase Failure, and one set of
Form “C” contacts for Trouble. The Trouble contacts shall be activated by the following conditions: Invalid Configuration Memory,
Emergency Manual Start, Pump Running, Phase Failure, Phase Reversal, Overload, Locked Rotor, Fail-to-Start, and Lockout.
The controller shall be equipped with LXi intelligent fire pump control system logic. All firmware shall be non-volatile flash based
CPLD (complex-programmable logic device). The boot-up time for the logic shall be 3 seconds or less. Controllers that do not boot-
up and allow the pump to be started in 3 seconds or less are not acceptable. An RS232 serial port shall be supplied for downloading
event history to a PC for analysis and printing.
The digital pressure readings and settings shall be displayed on the LXi LCD mounted on the enclosure flange. The LCD screen
shall be 4 x 20 (4 lines of 20 characters) per screen, and the screens may be scrolled to give a total of 320 characters. The real time
display shall give simultaneous 3-phase digital amps and volts for the pump power, and digital display for the system pressure.
Controllers that do not simultaneously display digital 3-phase amps, line-to-line volt readings, and system pressure, are not
acceptable.
The event alarm caches shall be compartmentalized, and no compartment shall over-ride any other compartment. The compartments
allow for analysis of four types of information events without having to look through all events including those not related to a
problem. Events shall be shown with Date and Time for each event occurrence:
1. Events that have occurred during a pump idle period
2. Events that occurred during the last start period
3. Events that occurred during the last run period
4. Events that occurred during the last stop period.
The LED displays shall be mounted on the enclosure flange and have an LED for the following, with provisions for five spare
LED’s to be available and programmable for other options or event displays.
1. Power Available 8. Phase Reversal 15. Remote Start
2. Low Suction 9. Overload 16. Start Timer/Accelerate
3. Pump Start Delay On 10. Local Manual Start
4. Locked Rotor 11. Local Manual Stop
5. Pressure Switch Start 12. Lockout On
6. Emergency Manual Start 13. Run Timer On
7. Fail to Start 14. Pump Running
The LED displays shall be mounted on the enclosure flange and have an LED for the following:
Programming of the LXi logic shall be from the touch pad mounted on the enclosure flange. Programming shall be password
protected so that only authorized personnel can change the logic functions. The fire pump controller shall be Model LXi 1400
equipped with LXi Logic as manufactured by Hubbell Industrial Controls, Inc.