MTA NGSi 07 - Contents; Table of Contents

TECHNICAL MANUAL
- Contents
NGSi 05÷15
1
ENGLISH
EN
The data in this manual are not binding and they can be modified by the manufacturer without notice. Reproduction of this manual is strictly prohibited
CONTENTS
CONTENTS........................................................................................................................................................... 1
Chapter 1
PURPOSE AND CONTENTS OF THIS MANUAL ..................................................................................................... 4
1.1 Conserving the manual.................................................................................................................... 4
1.2 Symbols used in the manual............................................................................................................ 4
Chapter 2
STANDARDS OF REFERENCE............................................................................................................................... 4
Chapter 3
PERMITTED USE.................................................................................................................................................. 4
Chapter 4
GENERAL SAFETY REGULATIONS ...................................................................................................................... 5
4.1 Occupational health and safety........................................................................................................ 5
4.2 Personal protective equipment ........................................................................................................ 5
4.3 Safety signs...................................................................................................................................... 6
4.4 Refrigerants safety datasheet........................................................................................................... 6
Chapter 5
TECHNICAL FEATURES....................................................................................................................................... 7
5.1 Frame............................................................................................................................................... 7
5.2 Refrigerant circuit............................................................................................................................ 7
5.3 Compressors .................................................................................................................................... 7
5.4 Air side exchanger........................................................................................................................... 7
5.5 Fans ................................................................................................................................................. 7
5.6 User heat exchangers....................................................................................................................... 7
5.7 Control panel ................................................................................................................................... 8
5.8 Control system................................................................................................................................. 8
5.9 Monitoring and protection devices.................................................................................................. 8
5.10 Water circuit .................................................................................................................................... 8
5.11 Fan speed regulation........................................................................................................................ 8
Chapter 6
VERSIONS AVAILABLE ........................................................................................................................................ 8
6.1 Optional accessories ........................................................................................................................ 8
Chapter 7
INSTALLATION ....................................................................................................................................................8
7.1 General ............................................................................................................................................ 8
7.2 Lifting and handling ........................................................................................................................ 9
7.3 Positioning and spaces required for technical purposes ................................................................ 9
7.4 Water connections ........................................................................................................................... 9
7.4.1 Connecting to the condensate drain ............................................................... 10
7.4.2 Service tap ...................................................................................................... 10
7.4.3 System drainage ............................................................................................. 10
7.4.4 Water system diagram .................................................................................... 10
7.5 5-9 kW chiller diagram.................................................................................................................. 11
7.6 12-15 kW chiller diagram ............................................................................................................ 11
7.7 Electrical connections.................................................................................................................... 12
7.7.1 Connection terminal board ............................................................................ 12
Chapter 8
START-UP .......................................................................................................................................................... 14
Chapter 9
USER - CONTROL INTERFACE ......................................................................................................................... 14
9.1 Menu structure............................................................................................................................... 15
9.1.1 Analogue inputs menu .................................................................................... 15
9.2 Parameters category ...................................................................................................................... 16
9.3 Setpoints settable by the user ........................................................................................................ 16
9.4 Display........................................................................................................................................... 16
9.5 LEDs.............................................................................................................................................. 16
9.6 Modifying the dynamic setpoint.................................................................................................... 17
9.7 Modifying the setpoint from 0-10V input ..................................................................................... 17