Hitachi RCUE60AG1 User Manual

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TABLE OF CONTENTS
1 IMPORTANT NOTICE..................................................................................................................1
2 FEATURE AND BENEFITS .........................................................................................................1
2.1 NEW CHILLER PICTURE .............................................................................................................................1
2.2
COMPRESSOR ........................................................................................................................................2
2.3
CONTROL ...............................................................................................................................................3
2.4
HEAT EXCHANGER ...................................................................................................................................4
3 OPERATION INSTRUCTIONS ....................................................................................................5
3.1 HITACHI AIR - COOLER WATER CHILLER MODELS ............................................................................................5
4 COMPONENTS OF CHILLER ..................................................................................................... 6
4.1 STRUCTURE DRAWING ..............................................................................................................................6
5 PREPARATION INITIAL CHECK ................................................................................................7
5.1 INITIAL CHECK .........................................................................................................................................7
5.2
PLACING THE UNIT ...................................................................................................................................7
5.3
CENTRE OF GRAVITY ................................................................................................................................8
5.4
SERVICE SPACE AND FOUNDATION .............................................................................................................9
5.5
TRANSPORTATION ...................................................................................................................................10
6 INSTALLATION ...........................................................................................................................11
6.1 ELECTRICAL WIRING .................................................................................................................................11
6.2
WATER PIPING .........................................................................................................................................13
6.3
TYPICAL COMMON WATER PIPING ...............................................................................................................14
6.4 MINIMUM INTERNAL SYSTEM WATER VOLUME ..............................................................................................15
6.5
WATER CONTROL ....................................................................................................................................15
6.6
BMS CONNECTION ...................................................................................................................................16
6.7
INSTALLATION FINAL CHECK ......................................................................................................................19
7 TEST RUNNING...........................................................................................................................20
7.1 PREPARATION .........................................................................................................................................20
7.2
TEST RUNING ..........................................................................................................................................20
7.3
INSTRUCTIONS AFTER TEST RUNNING .........................................................................................................20
8 CONTROLLER ADJUSTMENT ...................................................................................................21
8.1 CONTROLLER SYSTEM ..............................................................................................................................22
8.2
CONTROLLER ADJUSTMENT ......................................................................................................................22
9 SELF-INSPECTION FUNCTIONS ..............................................................................................25
9.1 ALARM INDICATION ..................................................................................................................................25
9.2 NORMAL INDICATION ................................................................................................................................26
9.3
FUNCTION FOR INDICATION OF OPERATION CONDITION .................................................................................26
10 CONTROL SYSTEM ..................................................................................................................29
11 MAINTENANCE .........................................................................................................................40
11.1 COMPONENTS .......................................................................................................................................40
11.2 LUBRICATION ........................................................................................................................................40
11.3
DEPOSIT ...............................................................................................................................................40
11.4
CLEANING METHOD ................................................................................................................................41
11.5
WINTER SHUTDOWN ...............................................................................................................................44
11.6 SPRING START - UP .................................................................................................................................44
11.7
PART REPLACEMENT ..............................................................................................................................44
11.8
REFRIGERANT CYCLE .............................................................................................................................44
11.9
REFRIGERANT CYCLE DIAGRAM OF HITACHI AIR - COOLED WATER CHILLER .....................................................45
11.10 REFRIGERANT CYCLE DIAGRAM OF HITACHI AIR - COOLED WATER CHILLER ( WITH ECONOMIZER ).......................46
11.11
COMPRESOR REMOVAL ..........................................................................................................................47
11.12
SAFETY AND CONTROL DEVICE SETTING ...................................................................................................48
11.13
NORMAL OPERATING PRESSURE ..............................................................................................................50
11.14
TEST RUNNING AND MAINTENANCE RECORD ..............................................................................................51
11.15 DAILY OPERATING RECORDS ...................................................................................................................52
11.16
SEVICING FOR R407C REFRIGERANT SYSTEM ..........................................................................................53
12 TROUBLESHOOTING ...............................................................................................................53

Hitachi RCUE60AG1 Specifications

General

Brand	Hitachi
Model	RCUE60AG1
Category	Chiller
Language	English