Precision Digital PD554 - Manual (Page 5)

1. Safety Guide and Specifications
Precautions Regarding This Instruction M anual
(1) This manual must be kept in the possession of the end user and in a suitable place for the operator to
study and to check the functions of the product.
(2) The installer and operator should carefully study and understand how to operate this product before use.
(3) This manual describes the functions of the product. Precision Digital Corporation does not guarantee
that the functions will suit a particular purpose.
(4) The contents of this manual have been reviewed for accuracy and correctness. However, should any
errors or omissions come to the attention of the user, contact technical support as listed on the back of this
manual
!
CAUTION
Safety Procedures and Unauthorized M odification Warning
(1) In order to protect this product and the system controlled by it against damage and ensure its safe use,
make certain that all of the safety instructions and precautions in this manual are strictly adhered to.
(2) Precision Digita l Corporation does not guarantee safety if the products are not handled in accordance
with this instruction manual.
(3) If separate protection or safety circuits are to be installed in the system which is controlled by this product,
ensure that such circuits are installed external to this product.
(4) Do not make modifications or additions internally to the product. It may cause personal injury to the user or
damage to the product.
(5) Contact technical support as listed on the back of the manual for warranty and repair issues.
(6) Exposure to excessive moisture, electrical overloads, or mechanical vibration may damage the product.
!
CAUTION
Limited Liability
Precision Digital Corpo ration assumes no liability to any party for any loss or damage, direct or indirect,
caused by the use of or any unpredictable defect of the product.
!
CAUTION
The following safety symbols are used in this manual
(1) This symbol notifies the user of specific information relating to the safe operation of the controller.
Information noted with this symbol must be observed to protect the user from injury and to prevent damage
to the product.
(A) For User:
Be aware of this marking in the manual and refer to the explanation in the manual to
prevent injury and damage.
(2) For Installer: Study the warnings marked to prevent injury and damage.
(2) Functional earth terminal: This symbol indicates that the terminal must be connected to ground.
(3) This symbol indicates additional information on the features of the product.
(4) This symbol directs the reader to further information on the current topic.
?
NOTE
&
!
CAUTION
PD550 Series Nova Programmable Process and Temperature Controller Instruction Manual
5