MAXA i-HWAK V4 Series - Default Chapter; Table of Contents

i-HWAK V4 Chillers and inverter air / water heat pumps with axial fans
4
INDEX
1 PURPOSE AND CONTENT OF THE MANUAL ............................................................................................................................ 6
1.1 CONSERVATION OF THE MANUAL .......................................................................................................................................... 6
1.2 GRAPHIC SYMBOLS ................................................................................................................................................................. 6
2 SAFETY LAWS ......................................................................................................................................................................... 6
3 PERMITTED USES ................................................................................................................................................................... 7
4 GENERAL SAFETY GUIDELINES ................................................................................................................................................ 7
4.1 WORKERS’ HEALTH AND SAFETY ............................................................................................................................................ 7
4.2 PERSONAL SAFETY EQUIPMENTS ........................................................................................................................................... 8
4.3 SAFETY SYMBOLS .................................................................................................................................................................... 8
4.4 REFRIGERANT SAFETY DATA SHEET ........................................................................................................................................ 9
5 TECHNICAL CHARACTERISTICS .............................................................................................................................................. 10
5.1 FRAME .................................................................................................................................................................................. 10
5.2 REFRIGERANT CIRCUIT ......................................................................................................................................................... 10
5.3 COMPRESSORS ..................................................................................................................................................................... 10
5.4 AIR SIDE EXCHANGERS .......................................................................................................................................................... 10
5.5 FANS ..................................................................................................................................................................................... 10
5.6 USER SIDE HEAT EXCHANGERS ............................................................................................................................................. 10
5.7 ELECTRIC BOX ....................................................................................................................................................................... 10
5.8 CONTROL SYSTEM ................................................................................................................................................................ 10
5.9 MONITORING AND PROTECTION DEVICES ........................................................................................................................... 11
5.10 HYDRAULIC CIRCUIT ............................................................................................................................................................. 11
5.11 FAN SPEED CONTROL............................................................................................................................................................ 11
6 AVAILABLE VERSIONS .......................................................................................................................................................... 11
6.1 OPTIONAL ACCESSORIES ...................................................................................................................................................... 12
7 INSTALLATION ...................................................................................................................................................................... 13
7.1 GENERALITY .......................................................................................................................................................................... 13
7.2 LIFTING AND HANDLING ....................................................................................................................................................... 13
7.3 LOCATION AND MINIMUM TECHNICAL CLEARANCES .......................................................................................................... 13
7.4 HYDRAULIC CONNECTIONS .................................................................................................................................................. 14
7.4.1 Drainage connection .................................................................................................................................................... 14
7.4.2 Plant circuit charging.................................................................................................................................................... 14
7.4.3 Plant drainage system .................................................................................................................................................. 15
7.4.4 Hydraulic circuit ............................................................................................................................................................ 15
7.5 REFRIGERANT DIAGRAM OF 06-08 ....................................................................................................................................... 16
7.6 REFRIGERANT DIAGRAM OF 10-12 ....................................................................................................................................... 16
7.7 REFRIGERANT DIAGRAM OF 14-16 ....................................................................................................................................... 16
7.8 ELECTRICAL CONNECTIONS .................................................................................................................................................. 16
7.8.1 Wiring terminal block ................................................................................................................................................... 17
7.8.2 Terminal block and the electric box .............................................................................................................................. 18
8 START UP ............................................................................................................................................................................. 18
9 SHUTDOWNS FOR LONG PERIODS........................................................................................................................................ 19
10 MAINTENANCE AND PERIODICAL CONTROLS ................................................................................................................... 19
10.1 ENVIRONMENTAL PROTECTION ........................................................................................................................................... 20
11 APPLIANCE RECYCLING ..................................................................................................................................................... 20
12 TECHNICAL DATA.............................................................................................................................................................. 21
13 ELECTRIC DATA OF THE UNIT AND AUXILIARIES ............................................................................................................... 22
14 HYDRAULIC CIRCUIT AVAILABLE HEAD PRESSURE ............................................................................................................ 23
15 OPERATION LIMITS .......................................................................................................................................................... 25
15.1 EVAPORATOR WATER FLOW RATE ....................................................................................................................................... 25