JOHNSON CONTROLS
57
FORM 160.81-NOM1
ISSUE DATE: 10/3/2020
5
SECTION 5 – MAINTENANCE
GENERAL
The maintenance requirements for YR Chillers is
shown below. The procedure is given in the left- hand
column and the frequency required is marked with an
“X” shown in the right-hand columns. Refer to the note
at the bottom of the form to maintain warranty valida-
tion.
TABLE 13 -
OPERATION / INSPECTION / MAINTENANCE REQUIREMENTS FOR YORK YR CHILLERS
PROCEDURE
DAILY
WEEKLY MONTHLY YEARLY OTHER
Record operating conditions (on applicable Log Form)
X
Check oil levels
X
Check refrigerant levels
X
Check oil return system operation
X
Check operation of motor starter
X
Check oil heater operation
X
Check three-phase voltage and current balance
X
Verify proper operation/setting/calibration of safety controls
1
X
Verify condenser and evaporator water flows
X
Leak check and repair leaks as needed
1
X
Check and tighten all electrical connections
X
Megohm motor windings
X
Replace oil filter and oil return filter/driers
X
Clean or backflush heat exchanger (SSS Applications)
X
Replace coolant (After cleaning Hxer, SSS Applications)
X
Replace or clean starter air filters if applicable
X
2
Perform oil analysis on compressor lube oil
1
X
Perform refrigeration analysis
1
X
Perform vibration analysis
X
Clean tubes
X
2
Perform Eddy current testing and inspect tubes
2-5 years
Lubricate motor
Refer to manufacturer's recommendations
For operating and maintenance requirements listed above, refer to appropriate service literature, or contact your local Johnson Controls Ser-
vice Office. A record of all procedures being successfully carried out (as well as operating logs) must be maintained on file by the equipment
owner should proof of adequate maintenance be required at a later date for warranty validation purposes.
1
This procedure must be performed at the specified time interval by an Industry Certified Technician who has been trained and qualified to
work on this type of YORK equipment.
2
More frequent service may be required depending on local operating conditions.
TABLE 14 -
MAINTENANCE SCHEDULE
MAINTENANCE
HOURS OF OPERATION (MAXIMUM X 1,000)
.2
5
10
20
30
40
50
60
70
80
90
Change Oil*
X
X
X
X
Change Filter, Oil
X
X
X
X
X
X
X
X
X
X
X
Oil Analysis
X
X
X
X
X
X
X
X
X
X
X
Vibration Analysis
X
X
X
X
X
X
* Or as required, as indicated by oil analysis.
