Maintenance
Technical Catalogue
11
11.
M a i n t e n a n c e
67
TCGB0051 rev 0 - 09/2009
Contents
11. Maintenance ..........................................................................................67
11.1. Components ..................................................................................................................68
11.2. Lubrication .....................................................................................................................68
11.3. Deposits .........................................................................................................................68
11.4. Cleaning method ............................................................................................................69
11.5. Winter shutdown ............................................................................................................70
11.6. Spring start-up ...............................................................................................................70
11.7. Part replacement ...........................................................................................................71
11.8. Refrigeration cycle .........................................................................................................71
11.9. Refrigerant cycle diagram of Hitachi condenserless Chiller
(RCUE(40,50,60,80,100,120)CLG2 ............................................................................72
11.10. Compressor removal ...................................................................................................73
11.11. Safety and protection control .......................................................................................73
11.11.1. Safety and control device setting ......................................................................................74
11.12. Normal operating pressure ..........................................................................................75
11.13. Test running and maintenance record .........................................................................76
11.14. Daily operating records ................................................................................................77
11.15. Servicing for R407C refrigerant system .......................................................................78
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