JOHNSON CONTROLS
36
FORM 160.76-O1
ISSUE DATE: 6/15/2015
SECTION 7 - PREVENTIVE MAINTENANCE
Procedure
Daily
W
eekly
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 sump heater and thermostat 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 (VSD, SSS
Applications)
X
Replace starter coolant (VSD, 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 Y
ears
Lubricate motor
Refer to motor manufacturer
’s recommendations
For operating and maintenance requirements listed above, refer
to appropriate service literature, or contact your local Johnso
n Controls Service Office.
A record of all procedures being successfully car
-
ried 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 typ
e of
YORK equipment.
2
More frequent service may be required depending on local operating co
nditions.
MAINTENANCE REQUIREMENTS FOR
YORK
YK CHILLERS
160.54-MR1 (61
1)
Supersedes 160.54-MR1 (801)
Issue Date: June 20, 201
1
