MAXA i-HP 0270 - Table of Contents

i-HP Industrial inverter air/water heat pumps with axial fans
3
INDEX
1 PURPOSES AND CONTENTS OF THE MANUAL ......................................................................................................................... 5
1.1 CONSERVATION OF THE 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 EXCHANGER ............................................................................................................................................................. 8
5.5 FAN MOTOR ........................................................................................................................................................................... 8
5.6 USER-SIDE HEAT EXCHANGER ................................................................................................................................................ 8
5.7 ELECTRICAL CONTROL PANEL ................................................................................................................................................. 8
5.8 CONTROL SYSTEM .................................................................................................................................................................. 8
5.9 MONITORING AND PROTECTION DEVICES ............................................................................................................................. 8
5.10 HYDRAULIC CIRCUIT ............................................................................................................................................................... 9
5.11 FAN SPEED CONTROL ............................................................................................................................................................. 9
5.12 ENHANCED VAPOUR INJECTION (EVI) TECNOLOGY ................................................................................................................ 9
6 AVAILABLE VERSIONS WITH SIZES AND ACCESSORIES .......................................................................................................... 10
6.1 OPTIONAL ACCESSORIES ...................................................................................................................................................... 12
7 INSTALLATION ...................................................................................................................................................................... 13
7.1 GENERALITY ......................................................................................................................................................................... 13
7.2 LIFTING AND HANDLING ....................................................................................................................................................... 14
7.3 LOCATION AND MINIMUM TECHNICAL CLEARANCES .......................................................................................................... 14
7.4 HYDRAULIC CONNECTIONS .................................................................................................................................................. 14
7.4.1 Hydraulic circuit ............................................................................................................................................................ 15
7.4.2 Drainage connection .................................................................................................................................................... 15
7.4.3 Plant circuit loading ...................................................................................................................................................... 15
7.4.1 Plant drainage system .................................................................................................................................................. 15
7.5 REFRIGERANT DIAGRAMS .................................................................................................................................................... 16
7.5.1 Refrigerant diagram of the model i-HP 0125 and i-HP 0135 ........................................................................................ 16
7.5.2 Refrigerant diagram of the model i-HP 0250F ............................................................................................................. 16
7.5.3 Refrigerant diagram of the model i-HP 0250, i-HP 0260 e i-HP 0270 .......................................................................... 17
7.5.4 Refrigerant diagram of the model i-HP-LT 0125 .......................................................................................................... 17
7.5.5 Refrigerant diagram of the model i-HP-LT 0235 .......................................................................................................... 18
7.5.1 Refrigerant diagram i-HP-LT -0250 .............................................................................................................................. 18
7.6 ELECTRICAL CONNECTIONS .................................................................................................................................................. 18
7.6.1 Power supply terminal block ........................................................................................................................................ 19
7.6.2 User’s terminal block .................................................................................................................................................... 20
7.6.3 PM Module phase protection ....................................................................................................................................... 20
7.6.4 Plant management optional module terminal block .................................................................................................... 20
8 START UP ............................................................................................................................................................................. 21
8.1 POWER-ON OF THE UNIT ...................................................................................................................................................... 21
9 INDICATIONS FOR THE USER ................................................................................................................................................ 21
10 SHUTDOWNS FOR LONG PERIODS .................................................................................................................................... 21
11 MAINTENANCE AND PERIODICAL CONTROLS ................................................................................................................... 22