Maintenance
CG-SVX06D-E4
56
Maintenance Instructions
The following maintenance
instructions are part of maintenance
operations required for this
equipment. A qualified technician is
needed for regular maintenance as
part of a regular maintenance
contract.
Carry out all operations as required
by schedule. This will ensure long
unit service life and reduce the
possibility of serious and costly
breakdown. Keep service records up
to date, showing monthly
information on unit operations.
These records can be of great help to
maintenance personnel diagnostics.
Similarly, if machine operator keeps
a log of changes in unit operating
conditions, problems can be
identified and solutions found before
more serious problems arise.
Inspection visit after the first
500 hours of operation from unit
start up
• Carry out oil analysis
• Carry out leak test
• Inspect contacts and tighten
terminals
• Record operating pressures,
temperatures, amperages and
voltage
• Check operation of
machines/compare conditions of
operation against original
commissioning data
• Fill out inspection visit log sheet
and review with the operator
• Check and clean the strainer
• Check Rotalock tightness with a
torque wrench:
- Compressor suction Rotalock:
190 - 200 Nm
- Compressor relief Rotalock:
170 - 180 Nm
- Compressor equalization Rotalock:
170 - 180 Nm
Note:
For medium to highly critical
applications, a monthly preventive
visit is recommended.
Monthly preventive visit
• Carry out leak test
• Oil test of acidity
• Check Ethylene glycol
concentration in the chilled water
circuit if glycol presence is
required
• Inspect contacts and tighten
terminals
• Record operating pressures,
temperatures, amperages and
voltage
• Check operation of
machines/compare conditions of
operation against original
commissioning data
• Fill out visit log sheet and review
with the operator
• Check and clean the strainer
