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
C
ONTENTS
C
ONTENTS
........................................................................................................................................................... 1
Chapter 1
P
URPOSE
AND
CONTENTS
OF
THIS
MANUAL
..................................................................................................... 4
1.1
Conserving the manual.................................................................................................................... 4
1.2
Symbols used in the manual............................................................................................................ 4
Chapter 2
S
TANDARDS
OF
REFERENCE
............................................................................................................................... 4
Chapter 3
P
ERMITTED
USE
.................................................................................................................................................. 4
Chapter 4
G
ENERAL
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
T
ECHNICAL
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
V
ERSIONS
AVAILABLE
........................................................................................................................................ 8
6.1
Optional accessories ........................................................................................................................ 8
Chapter 7
I
NSTALLATION
.................................................................................................................................................... 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
S
TART
-
UP
.......................................................................................................................................................... 14
Chapter 9
U
SER
- C
ONTROL
I
NTERFACE
......................................................................................................................... 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
Summary of Contents for NGSi 05
Page 58: ......