Fan User Manual

197
YORK INTERNATIONAL
FORM 201.19-NM1 (204)
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 ed time interval by an Industry Certi ed Technician who has been trained and quali ed to work on this type of YORK
equipment. A record of this procedure being successfully carried out must be maintained on le by the equipment owner should proof of adequate maintenance
be required at a later date for warranty validation purposes.
9