Hitachi WJ C1 Series User Manual

Introduction/Cautions
S-4
Liability Limitation
 In this product warranty, all warranties offered to the customer are stipulated, and neither Hitachi,
affiliated companies nor related dealers are liable to any express warranties or implied warranties
including, but not limited to, product merchantability or specific application fitness.
 Also, Hitachi, affiliated companies or related dealers are not responsible of any incidental damage,
special damage, direct loss, or indirect loss (even predictable or not) sustained by the customer as a
result of a faulty product.
Using the Warranty Service
 The customer can receive a warranty service during the warranty period from the product supplier or
local Hitachi inverter sales office, if the product does not meet the specifications described in the latest
User's or Basic Guide.
 A fare-paying service can also be obtained by contacting your supplier, local Hitachi distributor, or
local Hitachi inverter sales office.
Precautions for Product Operation
 The product should be operated following the working conditions, handling methods and precautions
described in Basic Guide, User's Guide or other technical Documents.
 Be sure to confirm that the Hitachi inverter is correctly configured and installed for the intended
purpose in the customer designed system.
 When using the Hitachi inverter, take following actions.
(1) Select an inverter with sufficient capacity for the rated current and performance of customer
facilities.
(2) Implement safety design such as redundant system design.
(3) Implement safety design which minimizes risks in case of an inverter failure.
(4) Design the system in a way it can warn the operator about any danger.
(5) Carry out periodic maintenance to the customer's equipment as well as the inverter.
 Hitachi inverter is designed and manufactured intentionally to be applied for general industrial
equipment application. It is not intended to be used for the applications listed below. Therefore, in
case inverter is used for these applications, it is out of warranty unless there is a special written
agreement.
(1) For special application such as aircraft, spacecraft, nuclear, electric power, passenger
transportation, medical, submarine repeater, etc.
(2) For application which might have a big effect on human life and property such as elevator,
amusement equipment, medical equipment, etc.
 Even for above application, in case there is an agreement for the limitation of the purpose and quality,
please contact to our sales office. Further study will be carried out to check whether inverter is
applicable for that specific application or not.
 For applications that involve human life, or have risk of important loss, be sure to avoid a critical
accident by installing a fail-safe device, protecting device, detecting device, alarm device, or spare
device, etc.
 This inverter is only for three phase induction motor [IM] or three phase synchronous motor
(permanent-magnet motor) [SM(PMM)]. For any other application make inquiries.
Change on Product Specifications
 Please be aware that the information described in Brochure, Basic Guide, User's Guide or Technical
Document might be modified without notice.
Supplement
 Refer to "Chapter 16 Maintenance and Inspection" for short lifespan components.
 For optional products, refer to the guide attached to the option.
 This warranty term will not restrict a legal right of customer who has purchased the product.
 Please contact your sales agent for warranty of products.

Hitachi WJ C1 Series Specifications

General

Brand	Hitachi
Model	WJ C1 Series
Category	Inverter
Language	English