D-EIMHP01405-21_11EN 2/52
CONTENTS
1 INTRODUCTION ..............................................................................................................................................................4
1.1 Precautions against residual risks ...........................................................................................................................4
1.2 General description ..................................................................................................................................................5
1.3 Information about the refrigerant..............................................................................................................................5
1.4 Installation information .............................................................................................................................................6
2 RECEIPT OF THE UNIT...................................................................................................................................................8
3 STORAGE ........................................................................................................................................................................9
4 MECHANICAL INSTALLATION .....................................................................................................................................10
4.1 Safety .....................................................................................................................................................................10
4.2 Handling and lifting.................................................................................................................................................10
4.2.1 Lifting the MONO unit .................................................................................................................................10
4.2.2 Lifting the DUAL unit ...................................................................................................................................11
4.3 Positioning and assembly ......................................................................................................................................12
4.3.1 Mounting the main switch handle ...............................................................................................................16
4.4 Minimum space requirements ................................................................................................................................16
4.5 Additional installation site requirements.................................................................................................................18
4.6 Noise and acoustic protection ................................................................................................................................19
4.7 Water circuit for connection with the unit ...............................................................................................................20
4.7.1 Water piping ................................................................................................................................................20
4.7.2 Flow-switch .................................................................................................................................................20
4.7.3 Heat recovery (optional) .............................................................................................................................21
4.7.4 Preparing and checking the water circuit connection .................................................................................22
4.7.5 Water pressure ...........................................................................................................................................22
4.7.6 Hydraulic diagram .......................................................................................................................................22
4.8 Water treatment .....................................................................................................................................................23
4.9 Water pressure drops for filters ..............................................................................................................................24
4.10 Pump kit mounted on board (Optional) ..................................................................................................................24
4.11 Operation limits ......................................................................................................................................................25
4.12 Operating stability and minimum water content in the system ..............................................................................27
4.12.1 Cooling Mode..............................................................................................................................................27
4.12.2 Heating Mode .............................................................................................................................................28
4.13 Calibrating the expansion vessel ...........................................................................................................................28
4.14 Antifreeze protection for BPHE and recovery exchangers ....................................................................................29
5 ELECTRICAL INSTALLATION .......................................................................................................................................31
5.1 General specifications ............................................................................................................................................31
5.2 Electric connections ...............................................................................................................................................31
5.3 Cable requirements ................................................................................................................................................31
5.3.1 Maximum cable dimension .........................................................................................................................32
5.3.2 Safety device requirements ........................................................................................................................33
5.4 Phase unbalance ...................................................................................................................................................33
6 OPERATION ...................................................................................................................................................................34
6.1 Operator’s reponsibilities........................................................................................................................................34
7 MAINTENANCE..............................................................................................................................................................35
7.1 Pressure / temperature table .................................................................................................................................36
7.2 Routine maintenance .............................................................................................................................................36
7.2.1 Air Heat Exchanger Maintenance ...............................................................................................................37
7.2.2 Electrical Installation ...................................................................................................................................37
7.2.3 Service and limited warranty ......................................................................................................................37
7.2.4 Refrigerant circuit scheme ..........................................................................................................................40
8 LIST OF THE LABELS APPLIED TO THE UNIT ...........................................................................................................45
9 COMMISSIONING ..........................................................................................................................................................47
10 IMPORTANT INFORMATION ON THE REFRIGERANT USED ...................................................................................48
11 PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT .............................................................49
12 DISMISSION AND DISPOSAL .......................................................................................................................................50
