EDM SYSCREW AIR EVO HSE

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SYSCREW 380-1260 AIR EVO HSE
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Display of the set point.
Display of opening steps of EEV.
Display of speed control signal (voltage) of fans.
Displayofthevariousalarmandoperationstatus:
Compressor start-up alarm (discharge pressure check).
Low / High pressure.
Low / High super-heating.
Evaporator antifreeze.
Flow switch signal for lack of water.
Control of the compressor operating hours.
Compressors in operation.
Pump in operation.
Thermal protection of compressors.
Thermal protection of fans.
Faulty sensors.
Control and safety devices
Eachunitisttedwiththefollowingdevices:
Safety:
Power disconnect switch with an emergency stop func-
tion.
Safety valve on the discharge line (HP side) set to 22 bar.
Safety valve on the suction line (LP side) set to 14.5 bar.
HP switches (double on each circuit) set to 19.7 bar,
manual reset to be reinitialized from control board.
LP switches (one for each circuit) set to 0.5 bar, manual
reset to be reinitialized from control board.
Antifreeze temperature sensor (set to +4°C) on the
evaporator.
Discharge gas temperature protection, on the discharge
line of each compressor.
Control:
HP and LP transducers.
Evaporator water inlet temperature sensor.
Evaporator water outlet temperature sensor (with an an-
tifreeze function).
Suction temperature sensor for EEV control.
Ambient air temperature sensor.
Heat recovery condenser temperature sensor.
Conformity with standards
Thefollowingappliestoallthesizesandversionsofunits:
MachineDirective:2006/42/EC.
LowVoltageDirective:2006/95/EC.
ElectromagneticCompatibilityDirective:2014/30/EU.
PressureEquipmentDirective:2014/68/EU.
Standard equipment
Set point timer/clock card.
Modbus protocol kit for BMS (RS485).
Modbus protocol kit for BMS (ETHERNET).
Fan speed control.
Back light display.
Compressor envelope control.
Double set-point.
Sequence phase control.
Electronic expansion valves.
Compressor part Windings or Star/Delta starting.
Data logger.
Power supply without neutral.
Main switch.
Refrigerant R513A or R134a.
PED approval.
Stepless control
Evaporator antifreeze electric heater.
Shell and tube evaporator.
Compressor box.
Compressor acoustic box (S version only).
Water pump acoustic box (S version only).
Left hand water connection.
Optional hydro kits
On board hydro kits and remote hydro kits are available.
On board hydro kits can be supplied with pump(s) only (in
standard or high pressure version), while remote hydro
kits are always supplied complete with inertial tank and
pump(s).
On board hydro kit, located inside the unit, are including
followingcomponents:
Single or double pump with low static pressure (100 -
150 [kPa]) or high static pressure (200-250 [kPa]),
Expansion tank,
Shut-off valves,
Safety valve,
Automatic air vent valve,
Thermal insulation for pipes and water pump(s),
Water pump(s) are supplied with sound proof box when
mounted on S version units.
Different variable speed options (inverter driven) are avail-
able to manage water ow rate according differential
temperature control, differential pressure control or to set
manual speed in phase of commissioning
Factory-installed options
Bacnet protocol kit for BMS (RS485 or Ethernet).
 Compressorsoftstarter(validonlyforxedspeedcom-
pressor).
Power factor correction capacitors.
Compressor Star-Delta starting system (valid only for
xedspeedcompressorhavingbydefaultpart-Winding
starting system).
Mechanical gauges kit.
Compressor suction valve.
Compressor liquid injection.
Compressor oil cooler.
Compressor oil switch (standard on inverter driven
screw compressor).
Condenser coils with E-Coating.
Finned tubes coils.
Chiller grilles.
Total heat recovery.