York YCAS0130, Installation, Operation & Maintenance Manual, Page: 197 / 204

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