iHP Manual 189 | P a g e
Appendix D – FAE and VAR Only
Input Config Change
iHP Rack can operate on 3P Low Line (3P 187.5Vac to 264Vac) and 3P High Line (3P 342Vac to 528Vac).
At any instance, the iHP RACK can operate only in one input line either 3P Low Line or 3P High Line.
The Input line operation of an iHP RACK can be change from 3P High Line to 3P Low Line or vice-versa.
The input configuration is dependent on the Input Config Board. This board is internal to the iHP RACK.
There are two types of Input Configuration board. These are the 3P Low Line Config Board and 3P High
Line Config Board.
Warning! - Unit will be DAMAGE: if a high line input voltage is applied to a iHP RACK unit
with 3P Low Line config.
The Value Added Resellers (VARs) are authorized to change the Input Config board. Users are not
allowed to do the hardware change.
Each type of Input Configuration Board has a label printed on the board.
3P High Line Board label is “3P HIGH LINE CONFIG BOARD” in white color.
3P Low Line Board label is “3P LOW LINE CONFIG BOARD” in Black color.
3P High Line Config Board
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