Introduction; Correct Usage; Inappropriate Usage; Qualification Of The Users - Grundfos Vaccuperm VGA-111 Installations- Und Bedienungsanleitungen

2. Introduction

2.1 Correct usage

The VGA-111 vacuum regulator is exclusively designed for
reducing the overpressure from the chlorine tank side to the
negative pressure on the vacuum side.

2.2 Inappropriate usage

Operational safety is only guaranteed, if the product is used
correctly. All operating methods conflicting with correct usage are
not permitted, and lead to the expiry of all liability claims.
Warning
Unauthorised structural modifications to the product
may result in serious damage to equipment and
personal injury.
It is forbidden to open, modify, bridge, remove,
bypass or disable components, especially safety
equipment.

2.3 Qualification of the users

Based on his professional training and experience, the user must
have a good knowledge of the operation of chlorine gas dosing
systems. He must be so familiar with the relevant laws and
regulations governing safety in the workplace and accident
prevention, and with the recognised standards of good practice,
that he is able to judge the safe working condition of a chlorine
gas dosing system.
The user is responsible for operation and monitoring of the
product at the installation site.
The responsibilities of the user:
• Read this manual before operating the product.
• Be trained by qualified Grundfos personnel in the operation of
the product.
• Observe the relevant regulations governing safety in the
workplace and accident prevention.
• Wear appropriate protective clothing in accordance with
national regulations for the prevention of accidents when
operating the system and handling chemicals.

2.4 Responsibilities of the operator

The operator of the product is responsible for the following:
• Ensure that this manual is kept clearly accessible in the
immediate vicinity of the system for the entire service life.
• Meet the installation requirements specified by the
manufacturer (environmental conditions, required water
connections and fittings, electrical connection, protective pipe
for dosing line if necessary, audible or optical warning device if
necessary).
• Ensure that water lines and armatures are regularly checked,
serviced and maintained.
• Obtain official approval for storing chemicals, if necessary.
• Train users in the operation of the system.
• Ensure that the regulations for the prevention of accidents are
observed in the installation site.
• Provide all users and service personnel with protective
clothing (e.g. face mask, gloves, protective apron) in
accordance with the national regulations.

2.5 Maintenance and service personnel

The product may only be maintained and serviced by personnel
authorised by Grundfos.
8