Specifications

88
JOHNSON CONTROLS
Form 201.28-NM1.EN.PED/CE (0211)
MAINTENANCE
PROCEDURE WEEKLY QUARTERLY
SEMI-
ANNUALLY
ANNUALLY
EVERY 5
YEARS
EVERY *
HOURS
Check Oil Level in Oil Sepa-
rator Sight Glass.
X
Check Liquid Line Sight Glass/
Moisture Indicator.
X
Check refrigerant level in the Evapo-
rator Sight Glass while running
full load for 10 to 15 minutes.
X
Record System Operating Tem-
peratures & Pressures.
X
Check Condenser Coils for dirt /
debris and clean as necessary.
X
Check Programmable Operating
Setpoints and Safety Cutouts. Assure
they are correct for the application.
X
Check Compressor and Evapo-
rator Heater operation.
X
Check for dirt in the Panel. Check
Door Gasket sealing integrity.
X
**Leak check the Chiller. X
**Sample Compressor Oil, check for
Acid, and replace if necessary.
X
**Disconnect Power Source and
Lock Out. Check tightness of
Power Wiring connections.
X
Check Glycol concentration on Low
Temp. or other applications where
freezing may be a problem.
X
VSD Glycol Change. X
* Reserved for customer use for any special site requirements.
** This procedure must be performed at the specifi c time by an industry certifi ed technician who has been
trained and qualifi ed to work on this type of equipment. A record of this procedure be successfully carried out should be maintained on fi le by the equip-
ment owner should proof of adequate maintenance be required at a later date for warranty purposes.
MAINTENANCE REQUIREMENTS FOR
YVAA CHILLERS