https://www.frascold.it
NRL6-125-428Y (UL)
Title
Twin screw semi-hermetic compressor with built-in part-winding starting (PWS) electric motor and thermal protection probes connected to the electronic control module
Standard
•PWS (Y/YY) = 50Hz/380-420V/3Ph (60Hz/440-480V/3Ph)
•DOL (YY) = 50Hz/380-420V/3Ph (60Hz/440-480V/3Ph)
- Bridges for DOL start
- Control and protection electronic module INT69 FRY
- Discharge temperature sensor
- Electric terminal box
- Suction shut-off valve
- Discharge shut-off valve
- Rotalock valve with connection for oil return piping
- Discharge check valve
- Safety valve
- Unloaded Start - Capacity control valves (only stems)
- Integrated oil filter
- Integrated oil flowswitch
- Sight glass for oil circuit
- Rubber dampers kit
- Nitrogen charge (2bar min)
- Packaging for transport, handling and storage
Opzione
- Control and protection electronic module INT69 FRYL Diagnose
SI IP
Displacement @ 60 Hz 513.6 m3/h [60Hz] 18 CFH [60Hz]
Compressor version [1] 3 3
Nominal Motor power 125 HP 125 HP
Motor voltage at 60 Hz [2] 460 (+/-10%) V/3/60Hz PWS V/ph/Hz 460 (+/-10%) V/3/60Hz PWS V/ph/Hz
Capacity control (CC) step 100-75-50 % 100-75-50 %
MRA, max operating current at 400V/50Hz and 460V/60Hz 198 A 198 A
LRA, max starting current at 400V/50Hz and 460V/60Hz, PWS motor 530 A 530 A
LRA, max starting current at 400V/50Hz and 460V/60Hz, PWS motor-DOL connection 838 A 838 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
Discharge check valve Standard Standard
Safety valve Standard Standard
Discharge temperature sensor Standard Standard
Discharge valve (DV) inch 3" 1/8 inch 3" 1/8 inch
Net weight 735 kg 1,620.38 lb
Max Length 1258 mm 49.57 inch
Max Width 755 mm 29.75 inch
Max Height 607 mm 23.92 inch
Compressor body material Cast Iron Cast Iron
Suction valve (SV) inch 4" 1/8 inch 4" 1/8 inch
Note
[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
Oil filter clogging differential pressure switch T00W3501122
Kit with Service valve & muffler for ECO / Liquid injection T00WK1500
Control and protection device INT69FRYL Diagnose T00EC45AD
Electrical accessory kit 115V/1/60Hz (coils & solenoid valve for oil circuit) T00WK350196
Electrical accessory kit 220V/1/60Hz (coils & solenoid valve for oil circuit) T00WK350195
Oil separator Contattare Frascold
Air oil cooler Contattare Frascold
Water oil coller Contattare Frascold
Abbreviation Technical data SI IP
SV Suction valve (SV) 104 mm - 4-1/8 inch 104 mm - 4-1/8 inch
DV Discharge valve (DV) 79.4 mm - 3-1/8 inch 79.4 mm - 3-1/8 inch
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 - -
NP Name Plate (NP) - -
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