English
Page 1
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 the 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
15
4.4 Hydraulic connection
16
4.5 Draining the Defrosting Waste Water
(for heat pump unit only)
16
4.6 Power supply
17
4.7 Electrical connections
17
4.8 Connecting the plate -type
evaporator’s temperature sensors
19
4.9 Connecting the temperature sensor
of coupled units’ manifold
(SLS 3804–4004/SLH 2804-3804)
20
5 START-UP
5.1 Preliminary check
21
5.2 Start-up
21
5.3 Checking the operation
22
5.4 Delivery to the customer
22
6 OPERATION
6.1 General Informations
23
6.2 Keyboard – Display Terminal Unit
23
6.3 Functions / Keys / Configurations
25
7 GENERAL DESCRIPTION
7.1 Introduction
28
7.2 General specifications
28
7.3 Compressors
28
7.4 Refrigerant circuits
28
7.5 Water heat exchanger
29
7.6 Air heat exchanger
29
7.7 Fans
29
7.8 Power supply and control system
32
7.9 “Chiller Control”
33
7.10 Accessories
33
8 TECHNICAL DATA
8.1 Pressure drops
34
8.2 Technical data
36
8.3 Electrical data
44
8.4 Position of shock absorbers
weigh distribution on supports
50
8.5 Overall dimensions
53
8.6 Service spaces
60
9 MAINTENANCE
9.1 General requirements
61
9.2 Planned maintenance
61
9.3 Refrigerant charge
62
9.4 Compressors
62
9.5 Condenser’s coils
62
9.6 Fans
63
9.7 Dehydrating filter
63
9.8 Sight glass
63
9.9 Thermostatic expansion valve
63
9.10 Evaporator
63
10 TROUBLESHOOTING
64
11 SPARE PARTS
11.1 Spare part list
66
11.2 Oil for compressors
66
11.3 Wiring diagrams
66
12 DISMANTLING, DEMOLITION
AND SCRAPPING
12.1 Generalities
67
Table of contents
Manuale SLS-SLH1 2.8.2005 12:33 Pagina 1
