VLS-GB.indd 1
17-06-2009 15:56:42
Page 1
English
Table of contents
1 FOREWORD
1.1
Introduction
2
1.2
Warranty
2
1.3
Emergency
stop/Normal
stop
2
1.4 An introduction to this manual
2
2 SAFETY
2.1
Foreword
3
2.2
Definitions
3
2.3 Access to the unit
4
2.4
General
precautions
4
2.5 Precautions against residual risks
4
2.6
Precautions
during
maintenance
operations
5
2.7
Safety
labels
6
2.8
Safety
regulations
8
3 TRANSPORT,
LIFTING
AND
POSITIONING
3.1
Inspection
11
3.2
Lifting
11
3.3
Anchoring
12
3.4
Storage
12
4 INSTALLATION
4.1 Positioning of the unit
13
4.2
Spring
Isolator
Installation
13
4.3
External
hydraulic
circuit
14
4.4
Hydraulic
connection
15
4.5 Draining the Defrosting
Waste
Water
(for heat pump unit only)
15
4.6
Power
supply
16
4.7
Electrical
connections
1
6
4.8
Connecting
plate-type
evaporator
temperature
sensors
19
4.9 Total heat recovery features
19
5 START-UP
5.1
Preliminary
check
20
5.2
Start-up
20
5.3 Checking the operation
21
5.4 Delivery to the customer
21
6 CONTROL
6.1
Control of VLS/VLH/VLC with 4
compressors the “Chiller Control”
system
22
6.2
Display
23
6.3
Key
board
23
6.4 Protection and safety equipment
26
6.5
HPF
version
configuration
27
7
7 GENERAL DESCRIPTION
7.1
Introduction
28
7.2
General
specifications
28
7.3
Compressors
28
7.4
Refrigeration
circuits
28
7.5 Water heat exchanger
28
7.6 Air heat exchanger
29
7.7
Fans
29
7.8 Electric power supply and
control
system
31
7.9
Accessories
31
8
8 TECHNICAL DATA
8.1
Pressure
drop
32
8.2
Technical
data
33
8.3
Unit
Electrical
data
59
8.4 Position of shock absorbers and
weight distribution on supports
63
8.5
Overall
dimensions
67
8.6
Services
spaces
75
9
9 MAINTENANC
E
9.1
General
requirements
76
9.2
Planned
maintenance
76
9.3
Refrigerant
charge
77
9.4
Compressor
77
9.5
Condenser
77
9.6
Fans
77
9.7
Dehydrating
filter
78
9.8
Sight
glass
78
9.9
Electronic
expansion
valve
78
78
79
9.10
Evaporator
10 TROUBLESHOOTING
11 SPARE PARTS
81
81
11.1 Spare parts list
11.2
Oil
for
compressors
11.3
Wiring
diagram
81
12 DISMANTLING, DEMOLITION
AND
SCRAPPING
12.1
Generalities
82
12.2 RAEE Directive
82
