HITACHI Oil-Free Rotary Screw Air Compressor
Prior to operation of this air compressor,
ensure that all operators read and
understand this INSTRUCTION MANUAL
completely, thereby operating it safely
Place the INSTRUCTION MANUAL near
the air compressor to make it available
at any time, and refer to it as the need
Variable Speed Drive Control
● T his INSTRUCTION MANUAL explains in detail
the important items that require attention;
observed as the following:
● A lways observe notations of WARNING, CAUTION
and IMPORTANT, as they indicate considerable
risks to safety.
： T his is a warning. If handled improp-
erly, death or severe injury could
： T his is a caution. If handled improp-
erly, injury and/or physical damage
： T his graphic is Variable Speed-control
Drive (VSD) models.
： T his graphic is for items that need
attention, other than WARNING and
： T his graphic is a page number reference.