Cooling capacity -10°C R404A: 7.55 kW
Cooling capacity -35°C R404A: 2.00 kW
Cooling capacity -10°C R452A: 7.46 kW
Cooling capacity -35°C R452A: 1.96 kW
Gross weight: 26.13 kg
Net weight: 22 kg
EAN: 5702428521208
Connection type: Rotolock
Number of starts per hour [Max]: 12
Description: NTZ068-4B
Cylinder: 1
Diameter [mm]: 224 mm
Economize: No
Factory set high pressure [bar]: 25 bar
Factory set low pressure [bar]: 25 bar
Phase: 3
Frequency [Hz]: 50
Color: Blue
Packaging, width [mm]: 285 mm
Packaging format: Single pack
Packaging height [mm]: 370 mm
Packing quantity: 1
Package length [mm]: 385 mm
Generation code: A
Glass, torque [Nm]: 50 Nm
Glass mounting: Threaded
High value for nominal voltage at 50 Hz [V]: 400 V
High value for voltage range at 50 Hz [V]: 440 V
High pressure side max pressure (Ps): 28.5 bar
High pressure side TS Max: 150 °C
High pressure side TS min: -35 °C
High pressure side Volume: 0.3 L
IP rating: IP55 (with packing box)
Earth connection torque [Nm]: 3 Nm
Capacity control: Fixed speed
Compressor, power supply (V/pH/Hz): 400/3/50 460/3/60
Configuration Code: Simple
Coupling sleeve: ODF
Coupling standard: Rotolock
Refrigerant filling [kg] [Max]: 2.5 kg
Refrigerants: R404A
R452A
R454C
Assembly supplied: Assembly kit with fasteners, screws, nuts, cuffs and gaskets
Oil supplied: Initial oil fill
Supplied instructions: Installation instructions
Supplied couplings: Brazed sleeves for intake and exhaust, rotolock nuts and gaskets
Winding resistance for three-phase compressors with identical windings [Ohm]: 6.67 Ohm
Low value for nominal voltage at 50 Hz [V]: 380 V
Low value for voltage range at 50 Hz [V]: 340 V
Low pressure side max pressure (Ps): 22.6 bar
Low pressure side TS Max: 50 °C
Low pressure side Volume: 7.5 L
Low pressure sideTS Min: -35 °C
Locked rotor, A: 25 A
Supply connections: Contact sheet
Max. Direct current: 8.4 A
Model Number: NTZ068A4LR1B
Assembly Note: (supplied with rotolock version only)
Motor protection: Internal overload protection
Measuring outlet for low pressure, torque [Nm]: 15 Nm
Measuring outlet for high pressure: None
Measuring outlet for low pressure: Schrader
Oil filling [L]: 0.95 L
Oil reference: 175PZ
Oil leveling: 3/8'' flare SAE
Oil leveling, torque [Nm]: 30 Nm
Rotation speed at 50 Hz [rpm]: 2900 rpm
Drawing no: 8501026f
Segment use: Cooling LT
Displacement [cm3]: 68 cm³
Stand. for approval: CE
Suction Connection, Rotolock Size [in]: 1 1/4 in
Suction Connection, Pipe Socket Size [in]: 5/8 in
Suction Connection, Pipe Size [in]: 5/8 in
Suction Connection, Size [in]: 1 1/4 in
Suction connection, torque when mounting [Nm]: 90 Nm
Suction line, connection height [mm]: 263 mm
Safety valve: 30 bar/8 bar
Technology: Piston
Technology, brand: Piston compressor
High pressure test [bar] [Max]: 30 bar
Low pressure test [bar] [Max]: 25 bar
Test of pressure diff. [bar] [Max]: 30 bar
Total height [mm]: 333 mm
Type: NTZ
Type designation: Compressor
Outlet Connection, Rotolock Size [in]: 1 in
Outlet Connection, Pipe Socket Size [in]: 1/2 in
Outlet Connection, Pipe Size [in]: 1/2 in
Outlet Connection, Size [in]: 1 in
Outlet connection, mounting torque [Nm]: 80 Nm
Outlet connection, height [mm]: 68 mm
Torque when mounting [Nm]: 15 Nm
Torque output [Nm]: 3 Nm
Ritning - KRUFF AB
