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
16
4.8 Connecting plate-type evaporator
temperature sensors
18
4.9 Total heat recovery features
18
5 START-UP
5.1 Preliminary check
19
5.2 Start-up
19
5.3 Checking the operation
20
5.4 Delivery to the customer
20
6 CONTROL
6.1 Control of VLH/VLC with 4
compressors the “Chiller Control”
system
21
6.2 Display
22
6.3 Key board
22
6.4 Protection and Safety Equipment
25
6.5 HPF version configuration
26
7 GENERAL DESCRIPTION
7.1 Introduction
27
7.2 General specifications
27
7.3 Compressors
27
7.4 Refrigeration circuits
27
7.5 Water heat exchanger
27
7.6 Air heat exchanger
28
7.7 Fans
28
7.8 Electric power supply and
control system
30
7.9 Accessories
30
8 TECHNICAL DATA
8.1 Pressure drop
31
8.2 Technical data
32
8.3 Unit Electrical data
48
8.4 Position of shock adsorbers
and weight distribution on supports
52
8.5 Overall dimensions
54
8.6 Service spaces
57
9 MAINTENANCE
9.1 General requirements
58
9.2 Planned maintenance
58
9.3 Refrigerant charge
59
9.4 Compressor
59
9.5 Condenser
59
9.6 Fans
59
9.7 Dehydrating filter
60
9.8 Sight glass
60
9.9 Electronic expansion valve
60
9.10 Evaporator
60
10 TROUBLESHOOTING
61
11 SPARE PARTS
11.1 Spare part list
63
11.2 Oil for compressors
63
11.3 Wiring diagrams
63
12 DISMANTLING, DEMOLITION
AND SCRAPPING
12.1 Generalities
64
12.2 RAEE Directive
64
