SURREY CWAZH072 Manual De Instalación, Operación Y Mantenimiento página 27

1. NOMENCLATURE ................................................................................................................................................ 28
2. GENERAL TECHNIQUES CHARACTERISTICS and PHYSICAL DATA - 50Hz ................................................. 29
3. SAFETY ................................................................................................................................................................ 30
4. TRANSPORTATION ............................................................................................................................................. 30
5. INSTALLATION .................................................................................................................................................... 30
5.1 - RECEIVING AND INSPECTING THE UNIT ................................................................................................. 30
5.2 - UNIT DIMENSIONS ..................................................................................................................................... 31
5.2.1 - CWAZH072 ....................................................................................................................................... 31
5.2.2 - CWAZ-120 ........................................................................................................................................ 31
5.3 - COLD WATER PIPING/CONNECTIONS ..................................................................................................... 32
5.4 - FILTERS ....................................................................................................................................................... 32
5.5 - ELECTRIC CONNECTIONS ........................................................................................................................ 32
5.6 - ELECTRICAL DATA ..................................................................................................................................... 33
5.7 - PERFORMANCE DATA .............................................................................................................................. 34
6. CONTROL SPECIFICATIONS ............................................................................................................................. 35
6.1 - LOGIC CONTROL UNIT .............................................................................................................................. 35
6.2 - CONTROL BOARD DIAGRAM .................................................................................................................... 35
6.3 - DESCRIPTION OF TERMINALS ................................................................................................................. 35
6.4 - CONTROL FRONT BUTTONS AND INDICATORS ..................................................................................... 35
6.5 - SUGGESTED ELECTRIC CONNECTION ................................................................................................... 36
7. OPERATION ......................................................................................................................................................... 36
7.1 - FIRST CHECK ............................................................................................................................................. 36
7.2 - SEQUENCE OF OPERATION AND CONTROL .......................................................................................... 37
7.2.1 - CONTROL OPERATION ................................................................................................................... 37
7.2.2 - TEST SEQUENCE ............................................................................................................................ 37
7.3 - GENERAL CARE ......................................................................................................................................... 39
7.4 - REFRIGERANT CHARGE ........................................................................................................................... 39
7.5 - PRESSURE DROP IN THE PLATE EXCHANGER ..................................................................................... 40
7.5.1 - CWAZH072 ....................................................................................................................................... 40
7.5.2 - CWAZ-120 ........................................................................................................................................ 40
7.6 - ELECTRICAL CIRCUIT ................................................................................................................................ 41
7.6.1 - CWAZH072 380V .............................................................................................................................. 41
7.6.2 - CWAZ-120 380V ............................................................................................................................... 42
8. MAINTENANCE ................................................................................................................................................... 43
8.1 - ELECTRIC BOX ........................................................................................................................................... 43
8.2 - EVENTUAL FAILURES ................................................................................................................................ 44
8.3 - SUB-COOLING AND OVERHEATING CALCULATION ............................................................................... 47
9. CONSIDERATIONS ON THE EXCHANGERS CARE .......................................................................................... 48
10. START-UP REPORT .......................................................................................................................................... 48
11. CONVERSION TABLE R-407C .......................................................................................................................... 49
Contents
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