Danfoss VZH088-G single User Manual

Technical specications
Compressor
specications
Frequency converter
specications
Compressor model
Swept
volume
(cm³/rev)
Displacement
Oil charge
(dm³)
Net weight
(kg)
25 rps
(m³/h)
50 rps
(m³/h)
60 rps
(m³/h)
100 rps
(m³/h)
VZH088 88.4 7.7 15.4 18.6 30.8 3.3 55
VZH117 116.9 10.1 20.3 24.6 40.6 3.6 61
VZH170 170.2 14.8 29.6 35.7 54.2 6.7 112
Mains supply voltage
T2: 200 - 240 V +/-10% (3-phase)
T4: 380 - 480 V +/-10% (3-phase)
T6: 525 - 600 V +/-10% (3-phase)
Supply frequency 50 / 60 Hz
Output voltage 0 - 100 % of supply voltage
Inputs 6 digital (0 - 24 V), 2 analogue (0 /±10 V or 4 - 20 mA, scalable)
Programmable outputs 2 digital (0- 24 V), 1 analogue (0-24 V), 2 relay
Protection functions Over-current protection, low / high current handling
Compressor functions
Discharge gas temperature protection, pressostat / thermostat function, short
cycle protection, oil return management
Oil injection control
Bearings lubrication
VZH compressors are equipped with an oil
injection system that makes the compression
pockets more tight thus improving the isotropic
eciency of the compressor as well as controls
the oil circulation ratio, at all running speeds.
The frequency converter via an oil injection valve
controls this system. The oil injection valve is a
normally closed valve. At low speed, the valve
is closed and the oil is injected to the scroll set
suction ports.
The compressors are delivered with no coils.
208V-240V or 24V coils are available as accessory
(refer to “Accessories” section). The coil must be
installed for oil injection control.
Control parameters are factory preset but
accessible on the parameter list as read only
values.
Optimal bearings lubrication is ensured by a
gearotor oil pump at all compressor speeds.
8 FRCC.PC.023.A8.02
Application Guidelines

Danfoss VZH088-G single Specifications

General

Brand	Danfoss
Model	VZH088-G single
Category	Air Compressor
Language	English