Hitecsa EWFAIB, Installation, Operation And Maintenance Instructions, Page: 2 / 49

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 ............................................................................4
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 & 7
2.8 Safety regulations ........................................................ 8 to 10
3 - TRANSPORT, HANDLING AND STORAGE
3.1 Inspection ..........................................................................11
3.2 Handling ............................................................................11
3.3 Anchoring ..........................................................................12
3.4 Storage ..............................................................................12
4 - INSTALLATION
4.1 Installation site ...................................................................13
4.2 External water circuit ................................................. 13 to 15
4.3 Water connections .............................................................15
4.4 Defrost water drainage .......................................................15
4.5 Water buffer tank ...................................................... 15 & 16
4.6 Power supply ............................................................ 16 & 17
4.7 Electrical connections................................................ 18 & 19
5 - START-UP
5.1 Preliminary checks .............................................................20
5.2 Start-up .............................................................................20
5.3 Checking the operation .......................................................20
5.4 Delivery to the customer ............................................ 20 & 21
6 -
EWFAIB
CONTROL
6.1 Control of
EWFAIB
units, single compressor,
variable speed ....................................................................21
6.2 Keypad functions ...................................................... 21 & 22
6.3 Alarms ...............................................................................22
6.4 Menus ...................................................................... 22 to 27
6.5 Starting the appliance ................................................ 27 to 29
6.6 Parameters list .......................................................... 30 & 31
6.7 Alarm list ...........................................................................32
7 - PRODUCT DESCRIPTION
7.1 General information ............................................................33
7.2 Accessories .......................................................................35
7.3 Refrigeration circuits ..........................................................36
8 - TECHNICAL DATA
8.1 Hydraulic features ..............................................................37
8.2 Physical data......................................................................38
8.3 Electrical data .....................................................................39
8.4 Dimensional Drawings ........................................................40
8.5 Space requirements ...........................................................41
9 - MAINTENANCE
9.1 General requirements .......................................................42
9.2 Planned maintenance ........................................................42
9.3 Refrigerant charge .............................................................43
9.4 Compressor ......................................................................43
9.5 Condenser .......................................................................43
9.6 Fans .................................................................................43
9.7 Dehydrating filter ...............................................................43
9.8 Sight glass ........................................................................44
9.9 Thermostatic expansion valve............................................44
9.10 Evaporator ........................................................................44
10 - TROUBLESHOOTING
.......................................... 45
11 - SPARE PARTS
11.1 Spare part list.....................................................................46
11.2 Oil for compressors ............................................................46
11.3 Wiring diagrams .................................................................46
12 - DISMANTLING, DEMOLITION AND SCRAPPING
12.1 Generalities ........................................................................47