GEA Grasso VHS Series Installation And Maintenance Instructions Manual page 9

GENERAL INFO
Main setup data
Time interval between
stopping and re-starting
Time interval between
starting and re-starting
Time interval between
loading and unloading
Lubricating oil pressure
Min. suction pressure
Max. suction pressure
Oil discharge - running
P-NL-094_imm_VHS_English_13
26.07.2021
Descriptio
General Limits of
Operation
Start frequency
Oil level
Control oil pressure
between 1.3 and 4.5 bar Setting approx. 2.0 bar (g)
difference
Max. discharge
temperature
Max. intermediate
pressure
P - P
discharge suction
Superheat
Factory mounted; to be replaced after max. 100 running hours by "normal" oil
in - filter discharge filter element
Oil discharge filter Supplied loose; replacement for factory mounted running in filter
Grasso V 700HS .. V 1800HS
Caution!
Refer to Section 4.3, Page 51
max. 6 starts per hour
min. 2 minutes
min. 10 minutes
min. 3 minutes
25-75% crankcase sight glass
suction pressure + 8 bar (g)
170 °C
0.3 bar(a)
7 bar (a)
≤ 19.0 bar (g)
>0 K
Remark
The NO-solenoid has to
be de-energised 20
seconds after starting
the compressor motor
to enabel the motor to
reach the minimum
speed and the
compressor to develop
the required oil pressure
For continuous minimum
part-load (i.e. more than
30 minutes) consult
Grasso.
Adjust the steps between
up and down loading, in
such a way that the
system is running stable.
After a mimimum of 15
minutes running time at
an oil temperature of
o
approx. 50 C
9