Guidelines For The Timing Of Compressor Overhaul - mycom 3225**C Series Instruction Manual

5.2.3

Guidelines for the Timing of Compressor Overhaul

While the overhaul interval for the compressor depends heavily on the conditions of use, type and
condition of the refrigerant and oil, the package unit, and other factors, the table below shows the
recommended interval of overhaul, as a guideline.
Table 5-4 Guidelines for the Timing of Overhaul Based on the Conditions of Use
Category of Operating Condition
Relatively stable operating condition
Relatively variable operating condition
Frequently started/stopped, and
relatively changing operating conditions
Note 1: The above guideline is applicable only when the package unit is used under the standard
operating conditions separately defined. (Refer to Chapter 2, Section 2.3.2 "Operation Limits"
in this manual.)
Note 2: The above guideline is applicable only when the routine and regular inspection services that
are separately defined are performed. (Refer to Section 5.2.1 "Daily Maintenance" of this
chapter.)
Note 3: Inspect the compressor at the intervals of specified period or operating hours, whichever
comes first.
Note 4: The above guideline is for reference only, and not a warranty period.
Compound 2-stage Screw Compressor 3225**C
(standard package)
Application Example
Cold storage and
refrigeration
Ice maker/chiller
Heat pump
5-6
2202MYJE-MY-C8-N_2018.02.
Chapter 5 Maintenance and Inspection
Guideline for the overhaul
timing
Every 5 years or 40,000
operating hours
Every 4 years or 30,000
operating hours
Every 3 years or 20,000
operating hours
5.2 Maintenance and Inspection List