D-EIMHP01702-23_00EN- 3/72
12 PERIODIC OBLIGATORY CHECKS AND STARTING UP OFTHE GROUPS (UNITS)..................................... 69
13 IMPORTANT INFORMATION ON THE REFRIGERANT USED ......................................................................... 70
Factory and Field charged units instructions ........................................................................................................ 70
14 PERIODIC CHECKS AND COMMISSIONING OF PRESSURE EQUIPMENT ................................................... 71
15 DISMISSION AND DISPOSAL ............................................................................................................................. 71
16 DURATION ........................................................................................................................................................... 71
LIST OF FIGURES
Fig. 1 – Typical refrigerant circuit for cooling only version (EWWT-Q) .......................................................................................... 5
Fig. 2 Typical circuit for moto-evaporating version (EWLT-Q) ........................................................................................................ 6
Fig. 3 Typical refrigerant circuit for heat pump version ................................................................................................................... 7
Fig. 4 Typical hydronic manifold and pump module circuit ............................................................................................................ 8
Fig. 5 Connection of more unit-manifold systems together and with pump module .................................................................. 11
Fig. 6 – EW(W/H)T-Q Operating limits .............................................................................................................................................. 18
Fig. 7 – EWLT-Q Operating limits...................................................................................................................................................... 18
Fig. 8 – Handling of the single circuit unit ....................................................................................................................................... 21
Fig. 9 – Alternative handling method with forklift ........................................................................................................................... 21
Fig. 10 – Alternative handling method with pallet truck ................................................................................................................. 22
Fig. 11 – Reference drawing for evaporator and condenser identification .................................................................................. 24
Fig. 12 – Evaporator and condenser flow switch positions ........................................................................................................... 26
Fig. 13 – Cables routing of evaporator flow switch ........................................................................................................................ 26
Fig. 14 – Cables routing of evaporator flow switch ........................................................................................................................ 27
Fig. 15 – Electrical panel entry point for evaporator and condenser flow switch cables ........................................................... 27
Fig. 16 – Water temperature probe ................................................................................................................................................... 27
Fig. 17 – Connecting the refrigerant circuit (1)................................................................................................................................ 31
Fig. 18 – Connecting the refrigerant circuit (4)................................................................................................................................ 31
Fig. 19 – Pipe Brazing......................................................................................................................................................................... 32
Fig. 20 – Handle assembly instructions ........................................................................................................................................... 34
Fig. 21 – Details of the pistol handle ................................................................................................................................................ 35
Fig. 22 – Identification of the labels applied to the electric panel (Standard*) ............................................................................ 38
Fig. 23 – Connection instructions between chiller and manifold modules .................................................................................. 40
Fig. 24 – PHR pipes with manifold module (at left for 3inch – at right for 5inch manifold pipes) ............................................. 40
Fig. 25 – Water piping configuration ................................................................................................................................................ 41
Fig. 26 – Modular systems connection............................................................................................................................................. 41
Fig. 27 – Water manifold sizes .......................................................................................................................................................... 42
Fig. 28 – Water connection to modules ............................................................................................................................................ 42
Fig. 29 – Mounting instructions for valve actuator ......................................................................................................................... 43
Fig. 30 – Mounting instructions for actuator limit switches .......................................................................................................... 43
Fig. 31 – Mounting indications for valve actuator ........................................................................................................................... 44
Fig. 32 – Wiring diagram for motor (left figure) and limit switches (right figure) ........................................................................ 44
Fig. 33 – Cable adapters for evaporator shut off valve actuator and limit switches ................................................................... 45
Fig. 34 – Cable adapters for condenser shut off valve actuator and limit switches ................................................................... 45
Fig. 35 – Shut off valve actuator wiring diagram............................................................................................................................. 45
Fig. 36 – Evaporator shut off valve actuator cable routing ............................................................................................................ 46
Fig. 37 – Condenser shut off valve actuator cable routing ............................................................................................................ 46
Fig. 38 – Electrical panel entry for evaporator and condenser shut off valve actuator cables.................................................. 47
Fig. 39 – Setting of limit switches trigger ........................................................................................................................................ 48
Fig. 40 – Mounting instructions for stacked units .......................................................................................................................... 48
Fig. 41 – Mounting instructions for more unit-manifold systems together .................................................................................. 49
Fig. 42 – Pump module installation .................................................................................................................................................. 49
Fig. 43 – Pump module installation – piping details ....................................................................................................................... 49
Fig. 44 – Handling of manifold module............................................................................................................................................. 50
Fig. 45 – Handling of unit and manifold modules ........................................................................................................................... 50
Fig. 46 – Indications for stacked units installation ......................................................................................................................... 51
Fig. 47 – Handling of pump module using forklift ........................................................................................................................... 51
Fig. 48 – Handling of pump module using for pallet truck ............................................................................................................. 52
Fig. 49 – Power bar system ............................................................................................................................................................... 52
Fig. 50 – Cables routing between bar system and unit .................................................................................................................. 52
Fig. 51 – Details of cables routing .................................................................................................................................................... 53
Fig. 52 – Fixing of the power bar system to the unit....................................................................................................................... 53
Fig. 53 – Connection of the power bar modules together .............................................................................................................. 54
Fig. 54 – Details of connection of the power bar modules together ............................................................................................. 54
Fig. 55 – Detail of the fuses and of the box for cables routing of the power bar module ........................................................... 55
Fig. 56 – Detail of electrical connection for the initial unit module ............................................................................................... 55
Fig. 57 – Detail of electrical connection for any other unit module .............................................................................................. 56
Fig. 58 – NH fuse switch disconnector ............................................................................................................................................ 57
Fig. 59 – Positions of the temperature probes for 3” and 5” manifold ......................................................................................... 59
Fig. 60 – Details of probes positioning on the pipes ...................................................................................................................... 60
Fig. 61 – Connection of 4 PLCs on the same Modbus network ..................................................................................................... 60
Fig. 62 – Evaporator pressure drops ................................................................................................................................................ 61
Fig. 63 –Condenser pressure drops ................................................................................................................................................. 61
Fig. 64 – Wiring for connecting the unit at the place of installation. ............................................................................................ 67