1592015820 User Manual IC200L/D DUO rel 1.0
Pag. 3 of 149
19.
COMPRESSOR REGULATION ............................................................................... 51
19.1
Compressor Security Time ...........................................................................................................................51
20.
CHILLER / HEAT PUMP REGULATION .................................................................. 51
20.1
Parameter Description ..................................................................................................................................51
20.2
Proportional Regulation ...............................................................................................................................52
20.3
Neutral Zone Regulation...............................................................................................................................53
21.
COMPRESSORS MANAGEMENT ........................................................................... 54
21.1
Compressors Start- Up .................................................................................................................................54
22.
COMPRESSORS ROTATION .................................................................................. 56
23.
CAPACITY STEP CONTROL................................................................................... 56
23.1
Minimum Load Start- Up .............................................................................................................................58
23.2
Intermittent Solenoid Valve for Screw Compressor ....................................................................................58
24.
COMPRESSOR INVERTER CONTROLLED ........................................................... 58
24.1
Inverter Compressor In Heat Pump And External Temperature ...............................................................62
25.
COMPRESSOR RACK ............................................................................................. 62
26.
COMPRESSORS WITH DIFFERENT CAPACITY ................................................... 63
27.
CIRCUIT MANAGEMENT: SATURATION OR BALANCING .................................. 64
28.
PUMP DOWN ........................................................................................................... 64
29.
UNLOADING ............................................................................................................ 66
29.1
High Temperature Of The Evaporator Water Inlet ....................................................................................66
29.2
Condenser High Pressure, Condenser High Temperature Or Evaporator Low Pressure ..........................66
29.3
Low Temperature Of The Evaporator Water Outlet...................................................................................67
30.
SOLENOID VALVE FOR LIQUID INJECTION......................................................... 67
31.
EVAPORATOR WATER PUMP / SUPPLY FAN (AIR/AIR UNIT) ............................ 67
31.1
Evaporator Pump Group ..............................................................................................................................68
31.2
Modulating Evaporator Water Pump ..........................................................................................................68
