1 Introduction
The SAMMS-MV electronic motor control and protection de- vice is designed and manufactured in accordance with the latest applicable provisions of the National Electric Code, Underwriters Laboratories Standards and Procedures, NEMA Standards, and the National Electric Safety Code. You must thoroughly read and understand this user’s manual before you begin any work with the SAMMS-MV device. Successful appli- cation and operation of this equipment depends as much upon proper installation and maintenance by the user as it does upon the careful design and fabrication by Siemens.
The purpose of this instruction manual is to assist the user in developing safe and efficient procedures for the installation, maintenance, and use of the equipment.
Contact the nearest Siemens representative if any additional information is desired.
Qualified Person
For the purpose of this manual and product labels, a“Qualified Person” is one who is familiar with the installation, construction and operation of this equipment, and the hazards involved. In addition, this person has the following qualifications;
•Training and authorization to energize, de-energize, clear, ground, and tag circuits and equipment in accordance with established safety practices.
•Training in the proper care and use of protective equipment such as rubber gloves, hard hat, safety glasses, face shields, flash clothing, etc., in accordance with established safety procedures.
•Training in rendering first aid.
Signal Words
The signal words “Danger”, “Warning”, and “Caution” used in this manual indicate the degree of hazard that may be encountered by the user. These words are defined as:
Danger—Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Warning—Indicates an potentially hazardous situation which, if not avoided, could result in death or serious injury. Caution—Indicates an potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
Dangerous Procedures
In addition to other procedures described in this manual as dangerous, user personnel must adhere to the following:
1.Always work on de-energized equipment. Always de-ener- gize a breaker, or contactor, and remove it from the equip- ment before performing any tests, maintenance, or repair.
2.Always perform maintenance on equipment employing springs after the spring-charged mechanisims are discharged.
3.Always let an interlock device or safety mechanism perform its function without forcing or defeating the device.
Field Service Operation
Siemens can provide compentent, well-trained Field Service Representatives to provide technical guidance and advisory assistance for the installation, overhaul, repair, and mainte- nance of Siemens equipment, processes, and systems. Con- tact regional service centers, sales offices, or the factory for details.