A2B Accorroni HPE Series, User'S And Installer'S Manual

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INDEX
1 AIM AND CONTENTS OF THIS MANUAL .............................................................................................................................. 5
1.1 HOW TO KEEP THIS MANUAL ................................................................................................................................................. 5
1.2 GRAPHIC SYMBOLS................................................................................................................................................................. 5
2 SAFETY LAWS ..................................................................................................................................................................... 5
3 PERMITTED USES................................................................................................................................................................ 5
4 GENERAL SAFETY GUIDELINES ............................................................................................................................................ 6
4.1 WORKERS’ HEALTH AND SAFETY ............................................................................................................................................ 6
4.2 PERSONAL SAFETY EQUIPMENTS ........................................................................................................................................... 6
4.3 SAFETY SYMBOLS.................................................................................................................................................................... 6
4.4 REFRIGERANT SAFETY DATA SHEET ........................................................................................................................................ 7
5 TECHNICAL CHARACTERISTICS ............................................................................................................................................ 8
5.1 FRAME.................................................................................................................................................................................... 8
5.2 REFRIGERANT CIRCUIT ........................................................................................................................................................... 8
5.3 COMPRESSORS ....................................................................................................................................................................... 8
5.4 AIR SIDE EXCHANGERS............................................................................................................................................................ 8
5.5 FANS ....................................................................................................................................................................................... 8
5.6 USER SIDE HEAT EXCHANGERS ............................................................................................................................................... 8
5.7 ELECTRIC BOX ......................................................................................................................................................................... 8
5.8 CONTROL SYSTEM .................................................................................................................................................................. 8
5.9 MONITORING AND PROTECTION DEVICES ............................................................................................................................. 9
5.10 HYDRAULIC CIRCUIT ............................................................................................................................................................... 9
5.11 FAN SPEED CONTROL ............................................................................................................................................................. 9
6 AVAILABLE VERSIONS......................................................................................................................................................... 9
6.1 OPTIONAL ACCESSORIES ........................................................................................................................................................ 9
7 INSTALLATION.................................................................................................................................................................... 9
7.1 GENERALITY............................................................................................................................................................................ 9
7.2 LIFTING AND HANDLING....................................................................................................................................................... 10
7.3 LOCATION AND MINIMUM TECHNICAL CLEARANCES .......................................................................................................... 10
7.4 HYDRAULIC CONNECTIONS .................................................................................................................................................. 10
7.4.1 Drainage connection .................................................................................................................................................... 10
7.4.2 Service valve ................................................................................................................................................................. 11
7.4.3 Plant drainage system.................................................................................................................................................. 11
7.4.4 Hydraulic circuit............................................................................................................................................................ 11
7.5 R
EFRIGERANT DIAGRAM
............................................................................................................................................................. 12
7.6 ELECTRICAL CONNECTIONS .................................................................................................................................................. 12
7.6.1 WIRING TERMINAL BLOCK............................................................................................................................................ 12
8 START UP ..........................................................................................................................................................................14
9 USER ‐ CONTROL INTERFACE..............................................................................................................................................15
9.1 SETPOINT ADJUSTABLE BY THE USER ................................................................................................................................... 15
9.2 DISPLAY ................................................................................................................................................................................ 15
9.3 LED ....................................................................................................................................................................................... 15
9.4 DYNAMIC SET ‐ POINT ADJUSTING......................................................................................................................................... 16
9.5 0 ‐ 10V ANALOG INPUT FOR SET ‐ POINT REGULATION ........................................................................................................... 16
9.6 HYDRAULIC PUMP OPERATION ............................................................................................................................................ 17
9.6.1 OPERATION BY THERMOREGULATOR (Default) ........................................................................................................... 17
9.6.2 OPERATION BY THERMOREGULATOR WITH PERIODIC ACTIVATION............................................................................ 18
9.6.3 CONTINUOUS OPERATION ........................................................................................................................................... 18
9.7 ANTIFREEZE PROTECTION RESISTANCES (IF THE KA ACCESSORY IS PRESENT) ...................................................................... 19
9.8 ON/OFF REMOTE CONTROL AND SUMMER/WINTER MODES.............................................................................................. 19
9.9 SANITARY VALVE ADJUSTMENT............................................................................................................................................ 19
9.10 ACTIVATION OF SANITARY HOT WATER PRODUCTION BY DIGITAL INPUT ........................................................................... 19
9.11 HEATING MODE ON SANITARY ACCUMULATION ................................................................................................................. 21