187
YORK INTERNA
TIONAL
FORM 201.19-NM7 (804)
PROCEDURE WEEKLY QUARTERLY SEMI-ANNUALLY YEAR LY
EVERY
___ HOURS
Check oil level in oil separator sight glass
X
Check liquid line sight glass / moisture indicator
X
Record system operating pressures and temperatures
X
Check programmable operating setpoints and safety cutouts
and assure they are correct for particular application.
X
Check condenser coils for dirt/debris and clean if necessary
X
Check compressor superheat on evaporator and economizer
TXV’s; Check condenser and economizer subcooling
1
X
Check compressor and evaporator heaters for operation
X
Sample compressor oil and replace oil if necessary
1
X
Leak check the chiller
1
X
Disconnect power source and lock out; Check tightness of
power wiring connections
1
X
MAINTENANCE REQUIREMENTS FOR YORK YCAS SCREW CHILLERS
*
* Reserved for customer use for any special site determined requirements.
1
This procedure must be performed at the speci
Þ
ed time interval by an Industry Certi
Þ
ed Technician who has been trained and quali
Þ
ed to work on this type of YORK
equipment. A record of this procedure being successfully carried out must be maintained on
Þ
le by the equipment owner should proof of adequate maintenance
be required at a later date for warranty validation purposes.
9
Содержание YCAS0295EB
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