Danfoss Turbocor TTS Series User Manual

263 of 282
M-SV-001-EN Rev. G
Chapter 6.0 Maintenance
6.1 Preventative Maintenance Tasks
"Table 6-1 Preventative Maintenance Tasks" identifies tasks that should be performed on a regular
basis to maintain optimal performance of the system.
Table 6-1 Preventative Maintenance Tasks
Item Task
Frequency
6 Mos 12 Mos Other
General
Inspections
Check physical condition of compressor. √
Check for excessive vibration from other rotating equipment. √
Check for oil in the system. The compressor must operate in an oil-free environment. Ensure all
oil is removed from the system.
√
Compressor
Inspections
Connect to the compressor using the Service Monitoring Tools software and download fault
and event logs. Review and save logs for future reference.
√
Connect to the compressor using the Service Monitoring Tools software and perform a
calibration. Do not save the calibration to EEPROM if the compressor has been operating
correctly. Create and save a Calibration Report for future reference.
√
Electrical
Inspections
Check main power supply voltages. √
Ensure electrical terminals are tight. √
Check for signs of hot spots/discoloration on power cables. √
Check amperages during operation are as per design. √
Check DC bus voltage. √
Replace DC Capacitor Bus Bar Assembly.
Energized:
10 years
De-
energized:
5 years
Check operation of all system safety devices and interlocks. √
Perform moisture-prevention measures. √
Replace Soft Start fan.
5 Years, Refer
to Customer
Notification
B-CN-041-EN
Electronic
Inspections
Ensure all communication cables are secure. √
Ensure all electronic modules are secure. √
Check physical condition of all exposed PCBs. √
Check all exposed PCBs for dust build-up and clean if necessary. √
Check discharge and suction pressure/temperature sensors for accuracy against calibrated
pressure/temperature gauges.
√
Refrigeration Check operation of IGV assembly. √
Check system refrigeration charge. √
Check superheat/level control, if applicable. √
Check system and motor-cooling liquid line to ensure sufficient sub-cooling. √
Verify discharge check valve operation.
If there is backward gas flow immediately after stopping the compressor, replace the check
valve.
√
Check operating conditions external to the compressor. √
Inspect/clean motor-cooling strainer (if service has taken place). As required

Danfoss Turbocor TTS Series Specifications

General

Brand	Danfoss
Model	Turbocor TTS Series
Category	Compressor
Language	English