Twin screw semi-hermetic compressor with built-in part-winding starting (PWS) electric motor and thermal protection probes connected to the electronic control module
•PWS (Y/YY) = 50Hz/380-420V/3Ph (60Hz/440-480V/3Ph)
•DOL (YY) = 50Hz/380-420V/3Ph (60Hz/440-480V/3Ph)
- Electric terminal box
- Control and protection electronic module INT69 FRY
- Discharge temperature sensor
- Suction shut-off valve
- Discharge shut-off valve
- Rotalock valve with connection for oil return piping
- Discharge check valve
- Safety valve
- External oil circuit kit (control module, oil filter, flowswitch, solenoid valve, sight glass)
- Unloaded Start - Capacity control valves (only stems)
- Rubber dampers kit
- Nitrogen charge (2bar min)
- Packaging for transport, handling and storage
- Electric motors for various voltage supply values
- Special paint for off-shore installation
- Capacity control valves with special voltage
Rotors 2 # 2 #
Displacement @ 50 Hz 240 m3/h [50Hz] 8 CFH [50Hz]
Displacement @ 60 Hz 288 m3/h [60Hz] 10 CFH [60Hz]
Compressor version [1] 2 2
Nominal Motor power 52 kW 52 kW
Motor voltage at 50 Hz [2] 400 (+/-10%) V/3/50Hz PWS V/ph/Hz 400 (+/-10%) V/3/50Hz PWS V/ph/Hz
Motor voltage at 60 Hz [2] 460 (+/-10%) V/3/60Hz PWS V/ph/Hz 460 (+/-10%) V/3/60Hz PWS V/ph/Hz
PWS partition 50-50 50-50
Capacity control (CC) step 100-75-50 % 100-75-50 %
MRA, max operating current at 400V/50Hz and 460V/60Hz 97 A 97 A
LRA, max starting current at 400V/50Hz and 460V/60Hz, PWS motor 373 A 373 A
LRA, max starting current at 400V/50Hz and 460V/60Hz, PWS motor-DOL connection 600 A 600 A
Frequency min 30 Hz 30 Hz
Frequency max [3] 70 Hz 70 Hz
Control and protection device INT69 FRY INT69 FRY
Electric terminal box class protection IP65 IP65
Maximum pressure HP 30 bar 435.0 psi
Maximum pressure LP 20.5 bar 297.3 psi
Oil type [4] POE 170 cSt POE 170 cSt
Sight glass for oil circuit Standard Standard
Solenoid valve for oil circuit Standard Standard
Discharge check valve Standard Standard
Safety valve Standard Standard
Discharge temperature sensor Standard Standard
Suction valve (SV) mm 80 mm 80 mm
Suction valve (SV) inch 3" 1/8 inch 3" 1/8 inch
Discharge valve (DV) mm 54 mm 54 mm
Discharge valve (DV) inch 2" 1/8 inch 2" 1/8 inch
Net weight 316 kg 696.65 lb
Max Length 1136 mm 44.76 inch
Max Width 480 mm 18.91 inch
Max Height 600 mm 23.64 inch
Compressor body material Cast Iron Cast Iron
[1] Motor version: 1 = high and mid temp. all refrigerants; 2 = low and mid temp. all refrigerants; 3 = mid temp. R134a only
[2] Other motor voltage available on request
[3] Maximum frequency depends on the working conditions: use the FSS.3 (Frascold selection software)
[4] For alternative lubricants refer to bulletin FTEC022
List of available accessories
Accessory Accessory code
Control and protection device INT69FRYL Diagnose T00EC45AD
Bridges for DOL start T00WK1203
Oil filter clogging differential pressure switch T00WK151
Oil separator Selezionare il modello tramite software FSS3 - Select with FSS3
Water oil coller Selezionare il modello tramite software FSS3 - Select with FSS3
Air oil cooler Selezionare il modello tramite software FSS3 - Select with FSS3
Kit Connection for ECO or Liquid injection T00WK460
Abbreviation Technical data SI IP
SV Suction valve (SV) 79.4mm - 3"1/8 79.4mm - 3"1/8
DV Discharge valve (DV) 54mm - 2"1/8 54mm - 2"1/8
SL Suction bushing (SL)
DL Discharge connection (DL)
1 Return oil valve - -
2 Max. discharge temperature sensor - -
3 Low pressure connection (3) - -
4 High pressure connection (4) - -
5 Connection for ECO or Liquid injection - -
V1 Capacity control valve (Step 1) - -
V2 Capacity control valve (Step 2) - -
NP Name Plate (NP) - -
Data sheets
Installation and start up instructions
Previous documentation (consultation only)
Technical and product information bulletins
Use and maintenance instructions
Product brochure
Conformity declarations and certifications
Technical and usage information
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