Hitachi WJ-0001S, User Manual

Page: 10 / 48

I i

General Warnings and Cautions

WARNING: Never modify the unit. Otherwise, there is a danger of electric shock and/or injury.

CAUTION: Withstand voltage test and insulation resistance tests (HIPOT) are executed before
the units are shipped, so there is no need to conduct these tests before operation.

CAUTION: Do not attach or remove wiring or connectors when power is applied. Also, do not
check signals during operation.

CAUTION: Be sure to connect the grounding terminal to earth ground.

CAUTION: When inspecting the unit, be sure to wait five minutes after turning OFF the power
supply before opening the cover.

UL Cautions, Warnings and Instructions

Warnings and Cautions for Troubleshooting and Maintenance The warnings and instructions in
this section summarizes the procedures necessary to ensure an inverter installation complies with
delines.

-001L, -002L, -004L, -007L, -015S, -
022S, -004H, -007H, -015H, -022H and -030H)

WARNING: Use 75 -001S, -002S, -004S, -007S, -015L, -
022L, -037L, -055L, -075L, -110L, -150L, -040H, -055H, -075H, -110H and -150H) WARNING: Suitable
for use on a circuit capable of delivering not more than 100,000 rms Symmetrical Amperes, 240 or
480V maximum.

WARNING: When protected by CC, G, J, or R class Fuses, or when Protected By A Circuit
Breaker Having An Interrupting Rating Not Less Than 100,000 rms Symmetrical Amperes, 240 or 480
Volts Maximum.

WARNING: Install device in pollution degree 2 environment.


WARNING: Solid state motor overload protection is provided in each model

WARNING: Integral solid state short circuit protection does not provide branch circuit protection.
Branch circuit protection must be provided in accordance with the National Electric Code and any
additional local codes