Contents
Contents ............................................................................................................................................................................. 2
General information .......................................................................................................................................................... 6
Warnings for the operator ................................................................................................................................................. 6
Assistance ........................................................................................................................................................................ 6
Spare parts ....................................................................................................................................................................... 6
Receiving the machine ..................................................................................................................................................... 6
Checks ............................................................................................................................................................................. 7
Purpose of this manual ..................................................................................................................................................... 7
Important information on the refrigerant used ................................................................................................................... 7
NOMENCLATURE ........................................................................................................................................................... 8
002 = Second order this model (1 or more units) ........................................................................................................... 8
… = … order this model ............................................................................................................................................... 8
Technical Specifications ................................................................................................................................................... 9
Sound pressure levels .................................................................................................................................................... 22
Sound pressure correction factors for different distances............................................................................................... 24
Operating limits ............................................................................................................................................................... 25
Storage ........................................................................................................................................................................... 25
Operation ........................................................................................................................................................................ 25
Mechanical Installation ................................................................................................................................................... 28
Shipping ......................................................................................................................................................................... 28
Responsibility ................................................................................................................................................................. 28
Safety ............................................................................................................................................................................. 28
Handling and lifting ......................................................................................................................................................... 28
Positioning and assembly ............................................................................................................................................... 29
Minimum space requirements ........................................................................................................................................ 30
Ventilation ....................................................................................................................................................................... 30
Sound protection ............................................................................................................................................................ 30
Water piping ................................................................................................................................................................... 30
Water treatment .............................................................................................................................................................. 32
Evaporator and exchangers anti-freeze protection ......................................................................................................... 32
Installing the flow switch ................................................................................................................................................. 32
Pressure drops ................................................................................................................................................................ 34
Total heat recovery (option on request) ........................................................................................................................ 39
Partial Heat recovery (option on request) ..................................................................................................................... 41
Electrical Installation ...................................................................................................................................................... 42
General specifications .................................................................................................................................................... 42
Electrical components .................................................................................................................................................... 45
Electrical wiring .............................................................................................................................................................. 45
Oil Heaters ..................................................................................................................................................................... 45
Water pump control ........................................................................................................................................................ 45
Unit On/Off remote control – Electrical wiring ................................................................................................................. 45
Double Setpoint – Electrical wiring ................................................................................................................................. 45
External water Setpoint reset – Electrical wiring (Optional) ............................................................................................ 45
Unit limitation – Electrical wiring (Optional) .................................................................................................................... 46
Guidelines for remote condenser application .............................................................................................................. 47
Refrigerant piping design................................................................................................................................................ 47
Determining Equivalent Line Length ............................................................................................................................... 48
Liquid Line Sizing ........................................................................................................................................................... 49
Discharge (Hot Gas) Line Sizing .................................................................................................................................... 49
Oil Charge ...................................................................................................................................................................... 50
Operation ......................................................................................................................................................................... 51
Operator’s responsibilities .............................................................................................................................................. 51
Description of the machine ............................................................................................................................................. 51
Description of the refrigeration cycle .............................................................................................................................. 51
Description of the refrigeration cycle with partial heat recovery...................................................................................... 51
Controlling the partial recovery circuit and installation recommendations ...................................................................... 52
Compression process ..................................................................................................................................................... 67
Pre-startup checks .......................................................................................................................................................... 70
General........................................................................................................................................................................... 70
Units with external water pump ...................................................................................................................................... 71
Electrical power supply ................................................................................................................................................... 71
Unbalance in power supply voltage ................................................................................................................................ 71
Oil Heaters power supply ............................................................................................................................................... 71
Emergency Stop ............................................................................................................................................................. 71
Startup procedure ........................................................................................................................................................... 72
Turning on the machine .................................................................................................................................................. 72
