Smart Positioner
YT-2500 / 2550 / 2501 Series
Product Manual
Ver. 1.34
5
1
Introduction
1.1
General Information for the users
Thank you for purchasing Rotork YTC Limited products. Each product has been fully inspected after
its production to offer you the highest quality and reliable performance. Please read the product
manual carefully prior to installing and commissioning the product.
➢
Installation, commissioning, and maintenance of the product may only be performed by trained
specialist personnel who have been authorized by the plant operator accordingly.
➢
The manual should be provided to the end-user.
➢
The manual can be altered or revised without any prior notice. Any changes in product’s
specification, design, and/or any components may not be printed immediately but until the
following revision of the manual.
➢
When the manual refers to
“Valve Zero / Zero”
means the final valve position upon pneumatic
pressure has been fully exhausted from positioner’s OUT1 port. For example, the valve zero
position may differ between linear direct and reverse actions. (DA/RA)
➢
The manual should not be duplicated or reproduced for any purpose without prior approval from
Rotork YTC Limited, Gimpo-si, South Korea.
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In case of any other problems that are not stated in this manual, please make immediate contact
to Rotork YTC Limited.
➢
Positioner is an accessory of the control valve, so please make sure to read the applicable
instruction manual of the control valve prior to installation and operation.
1.2
Manufacturer Warranty
➢
For the safety, it is important to follow the instructions in the manual. Manufacturer will not be
responsible for any damages caused by user’s negligence.
➢
Any modifications or repairs to the product may only be performed if expressed in this manual.
Injuries and physical damages caused by customer
’
s modifying or repairing the product without a
prior consultation with Rotork YTC Limited will not be compensated. If any alterations or
modifications are necessary, please contact Rotork YTC Limited directly.
➢
The warranty period of the product is (18) months from the date of shipment unless stated
otherwise. Date of shipment can be checked by providing the LOT NO. or SERIAL NO. to us.
➢
Manufacturer warranty will not cover products that have been subjected to abuse, accidents,
alterations, modifications, tampering, negligence, misuse, faulty installation, lack of reasonable
care, repair or service in any way that is not contemplated in the documentation for the product,
or if the model or serial number has been altered, tampered with, defaced or removed; damages
that occurs in shipment, due to act of God, failure due to power surge, or cosmetic damage.
Improper or incorrectly performed maintenance will void this limited warranty.
