Atlas Copco ZR Series User Manual

Instruction book
2920 1472 03 59
Notes
- For 50 Hz compressors, according to Directive 73/23/EEC (low-voltage directive) EN 60204
- For 60 Hz compressors, according to CSA standards C22,2 Nos. 0; 0.4; 0.5; 0.12; 14; 68; and
UL508
7.4 Compressor specifications
7.4.1 Reference conditions
Absolute inlet pressure bar(a) 1
Relative air humidity % 0
Air inlet temperature °C 20
Cooling water inlet temperature °C 20
7.4.2 Limitations
Maximum air inlet temperature °C 40
Maximum air inlet temperature for hot air version (HAV) °C 50
Minimum ambient temperature °C 0
Maximum altitude operation m 1000
Maximum cooling water temperature at inlet (on ZR) °C 40
Maximum cooling water temperature at outlet, open circuit (on ZR) °C 50
Maximum cooling water temperature at outlet, closed circuit (on ZR) °C 60
Maximum cooling water inlet pressure (on ZR) bar(e) 7
7.4.3 Specific data of ZT15 up to ZT22
Unit ZT15
-7.5
ZT15
-8.6
ZT15
-10
ZT18
-7.5
ZT18
-8.6
ZT18
-10
ZT22
-7.5
ZT22
-8.6
ZT22
-10
Nominal working
pressure
bar(e) 7 8 9.5 7 8 9.5 7 8 9.5
Maximum
working
pressure
bar(e) 7.5 8.6 10 7.5 8.6 10 7.5 8.6 10
Maximum
working
pressure, Full-
Feature
bar(e) 7.25 8.35 9.75 7.25 8.35 9.75 7.25 8.35 9.75
Minimum
working
pressure
bar(e) 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0
Installed motor
power
kW 15 15 15 18.5 18.5 18.5 22 22 22
Oil capacity l 25 25 25 25 25 25 25 25 25
Sound pressure
level 1)
dB(A) 69 69 69 71 71 71 73 73 73
Sound pressure
level, WorkPlace
Air System 1)
dB(A) 65 65 65 67 67 67 69 69 69

Atlas Copco ZR Series Specifications

General

Type	Oil-free rotary screw compressor
Cooling System	Air or water cooled
Application	food and beverage, pharmaceutical
Drive	Direct drive
Certifications	ISO 8573-1 Class 0
Control System	Elektronikon® control system