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 ows X
Leak check and repair leaks as needed
1
X
Check and tighten all electrical connections X
Megohm motor windings X
Replace oil lter and oil return lter/driers X
Clean or backush heat exchanger (SSS Applications) X
Replace coolant (After cleaning Hxer, SSS Applications) X
Replace or clean starter air lters 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 Oce. A record of all procedures being successfully carried out (as well as operating logs) must be maintained on le 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 specied time interval by an Industry Certied Technician who has been trained and qualied 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.