MAXA HWA1-A 0140, Manual

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HWA1-A
Air/water chillers with axial fans
2
14.1 F
REE
-
COOLING
......................................................................................................................................................................... 15
14.1.1 Ventilation in freecooling ............................................................................................................................................. 16
14.2 E
NABLEMENT OF DOMESTIC HOT WATER PRODUCTION
(DHW) .......................................................................................................... 16
14.2.1 MEMORIZATION OF THE SENSOR IN HEATING MODE ................................................................................................. 17
14.2.2 SANITARY MODE CALL FROM DIGITAL INPUT .............................................................................................................. 17
14.2.3 REGOLATOR IN COOLING ............................................................................................................................................. 17
14.2.4 REGULATOR IN HEATING .............................................................................................................................................. 17
14.2.5 SANITARY VALVE REGULATOR ...................................................................................................................................... 17
14.2.6 HEATING MODE ON DOMESTIC HOT WATER TANK ..................................................................................................... 18
14.3 SUMMER/WINTER MODE ROMOTE COMMUTATION .......................................................................................................... 18
14.4 PLANT REMOTE CONTROL (MANAGEMENT) ........................................................................................................................ 18
14.5 DOUBLE SET-POINT MANAGEMENT ..................................................................................................................................... 18
14.5.1 SETTINGS ...................................................................................................................................................................... 18
14.5.2 ADJUSTABLE SETPOINTS ............................................................................................................................................... 19
14.5.3 COMMUTATIONS .......................................................................................................................................................... 19
14.6 MANAGEMENT OF A SECONDARY CIRCULATOR (RELAUNCHING PUMP) ............................................................................. 19
14.6.1 ANTIFREEZE CONTROL OF PLANT SECONDARY PUMP ................................................................................................. 19
15 SIGNALIZATIONS’ MANAGEMENT .................................................................................................................................... 19
16 HANDBOOK FOR SOME CONFIGURATIONS OF INSTALLATION .......................................................................................... 20
17 TABLES OF ALLOWED CONFIGURATIONS FOR THE USER AND INSTALLER ......................................................................... 20
17.1 SETPOINT CONFIGURATION PARAMETERS .......................................................................................................................... 20
17.2 CONFIGURATION PARAMETERS ........................................................................................................................................... 20
17.3 CONFIGURATION PARAMETERS OF THE ALARMS ................................................................................................................ 20
17.4 SETTING PARAMETERS ......................................................................................................................................................... 21
17.5 CONDENSATION PARAMETERS ............................................................................................................................................ 21
17.6 COMPRESSOR PARAMETERS’ CONFIGURATION .................................................................................................................. 21
18 USER AND INSTALLER ALLOWED CONFIGURATION TABLES .............................................................................................. 21
18.1 SET- POINT’S CONFIGURATION PARAMETERS ...................................................................................................................... 22
18.2 CONFIGURATION PARAMETERS ........................................................................................................................................... 22
18.3 ALARM CONFIGURATION PARAMETERS .............................................................................................................................. 22
18.4 SETTING PARAMETERS ......................................................................................................................................................... 22
18.5 CONDENSATION PARAMETERS ............................................................................................................................................ 22
18.6 CIRCULATOR PUMP CONFIGURATION PARAMETERS ........................................................................................................... 23
18.7 DEFROSTING PARAMETERS .................................................................................................................................................. 23
18.8 COMPRESSOR CONFIGURATION PARAMETERS ................................................................................................................... 23
18.9 CONFIGURATION PARAMETERS OF “GI” M
ODULE
– PLANT MANAGEMENT – (O
PTIONAL
) ...................................................... 23
19 ALARMS MANAGEMENT .................................................................................................................................................. 23
19.1 E000 – REMOTE ON/OFF ...................................................................................................................................................... 23
19.2 E001 – HIGH PRESSURE ........................................................................................................................................................ 23
19.3 E002 – LOW PRESSURE ......................................................................................................................................................... 24
19.4 E003 – COMPRESSOR (C1) THERMAL PROTECTION .............................................................................................................. 24
19.5 E013 – COMPRESSOR (C2) THERMAL PROTECTION .............................................................................................................. 24
19.6 E004 – FAN MOTOR THERMAL PROTECTION........................................................................................................................ 24
19.7 E005 – ANTIFREEZE ALARM .................................................................................................................................................. 24
19.8 E006 – FLOW SWITCH ALARM .............................................................................................................................................. 24
19.9 E009 – HIGH DISCHARGE TEMPERATURE ............................................................................................................................. 24
19.10 E016 USAGE PUMP 1 THERMAL PROTECTION ...................................................................................................................... 24
19.11 E026 USAGE PUMP 2 THERMAL PROTECTION ...................................................................................................................... 24
19.12 E018 – HIGH TEMPERATURE ................................................................................................................................................ 24
19.13 E042 – POOR HEAT EXCHANGE ............................................................................................................................................ 24
19.14 E101 - I/O MODULE COMMUNICATION TIMEOUT ............................................................................................................... 24
19.15 [E611÷E682] TEMPERATURE SENSORS’ ALARM ................................................................................................................... 25
19.16 POWER FAILURE ................................................................................................................................................................... 25
19.17 ALARMS’ LIST........................................................................................................................................................................ 25
20 MODBUS VARIABLES ........................................................................................................................................................ 25