Hitachi SAMURAI Series User Manual

7
Contents
TCGB0051 rev 0 - 09/2009
Technical Catalogue
Contents
1. Important notice ................................................................................................................11
2. Features and benets .......................................................................................................13
2.1. Chiller picture ........................................................................................................................................... 14
2.2. Compressor ............................................................................................................................................. 14
2.3. Control ..................................................................................................................................................... 16
2.4. Heat Exchanger ....................................................................................................................................... 17
2.5. Electronic Expansion Valve ..................................................................................................................... 18
3. Operation instructions.......................................................................................................19
3.1. HITACHI condenserless Water Chiller Models: RCUE(40~120)CLG2 .................................................... 20
4. Components of chiller .......................................................................................................21
4.1. Structure drawing .................................................................................................................................... 22
5. Preparation initial check ...................................................................................................23
5.1. Initial check .............................................................................................................................................. 24
5.2. Placing the unit ........................................................................................................................................ 25
5.3. Centre of gravity ...................................................................................................................................... 26
5.4. Service space and foundation ................................................................................................................. 27
5.5. Transportation by rigging ......................................................................................................................... 28
6. Installation ........................................................................................................................29
6.1. Electrical Wiring ....................................................................................................................................... 30
6.2. Water Piping ............................................................................................................................................ 32
6.3. Minimum internal system water volume .................................................................................................. 33
6.4. Water control ........................................................................................................................................... 34
6.5. Refrigerant piping .................................................................................................................................... 34
6.6. BMS connection ...................................................................................................................................... 37
6.7.CSC-5S .................................................................................................................................................... 44
6.8. Installation nal check ............................................................................................................................ 45
7. Test running ......................................................................................................................47
7.1. Preparation .............................................................................................................................................. 48
7.2. Test running procedure ............................................................................................................................ 48
7.3. Instructions after test running .................................................................................................................. 48
8. Controller adjustment .......................................................................................................49
8.1. PCB Drawing ........................................................................................................................................... 50
8.2. Control System ........................................................................................................................................ 51
8.3. Controller Adjustment .............................................................................................................................. 51
9. Self-Inspection functions ..................................................................................................55
9.1. Alarm Indication ....................................................................................................................................... 56
9.2. Normal Indication ..................................................................................................................................... 57
9.3. Function for indication of operation condition .......................................................................................... 57

Hitachi SAMURAI Series Specifications

General

Brand	Hitachi
Model	SAMURAI Series
Category	Chiller
Language	English