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INFLEXION PLUS
OPERATING INSTRUCTIONS
TP-5211901-C
JUNE 2021
3.1 Additional Documentation
In addition to this manual, the system ships with top-level drawings. These drawings can be
referenced during the installation process.
If more information is needed for the positioners, additional information can be found in the
following:
•
PositionIt PI-35 (P/N: 5467801) Operator’s Manual
(TP-5406201)
•
PositionIt PI-150 (P/N: 5061001) and PI-75 (P/N: 5191201) Operator’s Manual
(TP-
5129001).
To obtain these documents, contact The Will-Burt Company.
3.2 Power Requirements
All electrical devices on the system are nominal 12 volt DC devices, except for the PositionIt™
PI-35 which receives 24 volts DC from the board. The boards driving them monitor and chop the
battery voltage at 300 Hz adjusting the duty cycle to deliver 12 volts. During mast incline at 13.8
volts the system may draw up to 13 amps. During mast incline at 28.8 volts the system may draw
up to 9 amps.
Power must be supplied to the Inflexion Plus at 12 or 24 VDC.
If a high output compressor is used, 12 VDC power must be supplied separately to the
compressor. The source must be protected at 50 amps.
3.3 Intended Use
The Inflexion Plus, Inflexion Plus with PositionIt™ PI-35, and Inflexion Plus with PositionIt™ PI-
75 are intended for use by professionals in the fire/rescue/first responder/security industries. It is
not intended for use by non-professionals. Do not use the mast to lift personnel. The mast
systems are intended to be installed on the roof or in a roof well of fire/rescue/first responder
vehicles with the vehicle interconnect safety circuit installed and operational.
The Inflexion Plus, Inflexion Plus with PositionIt™ PI-35, and Inflexion Plus with PositionIt™ PI-
75 are intended to be used only when the vehicle is stationary and the vehicle parking brake is
properly applied. Do not supply input supply voltage or operate the mast system when the
vehicle is in motion. The mast shall remain in the powered-down, nested position during vehicle
motion.
Summary of Contents for Inflexion Plus 1.8
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