YORK INTERNATIONAL
2
TABLE OF CONTENTS
GENERAL INFORMATION ............................................................................
2
UNIT NOMENCLATURE ................................................................................
3
OPERATIONAL LIMITATIONS .......................................................................
7
PHYSICAL DATA............................................................................................
8
DIMENSIONS .................................................................................................
9
ELECTRICAL DATA ....................................................................................... 10
INSTALLATION .............................................................................................. 12
WIRING DIAGRAM ........................................................................................ 16
UNIT CONTROLS AND OPERATION ........................................................... 22
COMPRESSOR CAPACITY CONTROL ........................................................ 66
SYSTEM START-UP AND OPERATION ....................................................... 67
PREVENTATIVE MAINTENANCE ................................................................. 71
OPTIONS ....................................................................................................... 72
TROUBLESHOOTING CHART ...................................................................... 84
GENERAL DESCRIPTION
These packaged liquid chillers are completely self-con-
tained outdoor units shipped ready for final job installa-
tion requiring only liquid connections, power and con-
trol wiring. They are designed primarily for central sta-
tion air conditioning applications with normal installa-
tions being on roof-tops or on ground level beside the
building.
WARNING
HIGH VOLTAGE
is used in the operation of this equipment.
DEATH OR SERIOUS INJURY
may result if personal fail to observe safety precautions.
Work on electronic equipment should not be undertaken unless the individual(s) have been trained
in the proper maintenance of equipment and is (are) familiar with its potential hazards.
Shut off power supply to equipment before beginning work and follow lockout procedures. When
working inside equipment with power off, take special care to discharge every capacitor likely to
hold dangerous potential.
Be careful not to contact high voltage connections when installing or operating this equipment.
LOW VOLTAGE
DO NOT be misled by the term low voltage.
Voltages as low as 50 volts may cause death.
GENERAL INFORMATION
CODE STATUS
The units are designed in accordance with UL (200,
230, 460-3-60), N.E.C., ASHRAE/ANS STANDARD 15,
and ASME Codes.