1 general, 1 products covered in this manual, 2 product changes – Lenze MCH Series User Manual
Page 5: 3 warranty, 4 receiving, 5 customer modification

13435744_EDBMH01_v13
1
1 GENERAL
1.1
PRODUCTS COVERED IN THIS MANUAL
This manual covers the Lenze-AC Tech MCH Variable Frequency Drive and optional
configurations. The main focus of this manual is the standard drive. Refer to Appendix
A for the Bypass option, or Appendix B for the Option Box.
1.2
PRODUCT CHANGES
Lenze AC Tech Corporation reserves the right to discontinue or make modifications to
the design of its products and manuals without prior notice, and holds no obligation to
make modifications to products sold previously. Lenze AC Tech Corporation also holds
no liability for losses of any kind which may result from this action. Instruction manuals
with the most up-to-date information are available for download from the Lenze website
(www.lenze.com).
1.3 WARRANTY
Lenze AC Tech Corporation warrants the MCH Series AC motor control to be free of
defects in material and workmanship for a period of two years from the date of shipment
from the Lenze AC Tech factory. An MCH Series control, or any component contained
therein, which under normal use, becomes defective within the stated warranty time
period, shall be returned to Lenze AC Tech Corporation, freight prepaid, for examination
(contact Lenze AC Tech Corporation for authorization prior to returning any product).
Lenze AC Tech Corporation reserves the right to make the final determination as to the
validity of a warranty claim, and sole obligation is to repair or replace only components
which have been rendered defective due to faulty material or workmanship. No warranty
claim will be accepted for components which have been damaged due to mishandling,
improper installation, unauthorized repair and/or alteration of the product, operation in
excess of design specifications or other misuse, or improper maintenance. Lenze AC
Tech Corporation makes no warranty that its products are compatible with any other
equipment, or to any specific application, to which they may be applied and shall not
be held liable for any other consequential damage or injury arising from the use of its
products.
This warranty is in lieu of all other warranties, expressed or implied. No
other person, firm or corporation is authorized to assume, for Lenze AC Tech
Corporation, any other liability in connection with the demonstration or sale of
its products.
1.4 RECEIVING
Inspect all cartons for damage which may have occurred during shipping. Carefully
unpack equipment and inspect thoroughly for damage or shortage. Report any damage
to carrier and/or shortages to supplier. All major components and connections should
be examined for damage and tightness, with special attention given to PC boards,
plugs, switches, etc.
1.5
CUSTOMER MODIFICATION
Lenze AC Tech Corporation, its sales representatives and distributors, welcome
the opportunity to assist our customers in applying our products. Many customizing
options are available to aid in this function. Lenze AC Tech Corporation cannot assume
responsibility for any modifications not authorized by its engineering department.