YORK INTERNATIONAL
3
FORM 160.60-O1
TABLE OF CONTENTS
SECTION 1
Description of System and Fundamentals of Operation
....................................... 10
Capacity Control (Also see page 57) ........................ 11
Quick Shutdowns (Also see page 49) ................... 13
Caterpillar Engine Control Panel ............................... 11
Safety Shutdowns (Also see page 53) .................. 14
SECTION 2
MicroComputer Control Center
......................................................... 17
Introduction .............................................................. 18
Manual Operation ................................................. 34
Micro Panel Control Center ...................................... 19
Fixed Operation .................................................... 34
Operation ................................................................. 19
Manual Speed or Manual Vane Control Selection .. 34
Out of Range Values for R134a (Also see pg 51) ...... 19
Prerotation Vanes and Engine Speed Keys ........... 35
Selecting Engine Type .............................................. 20
Calibration Procedures .......................................... 36
System Setpoints .................................................... 23
PRV Motor Wiring Checkout ................................. 36
Displaying System Setpoints ................................... 24
Operating Modes .................................................. 37
Data Logger Setpoints .............................................. 26
Compressor Switch and Emergency Stop Switch . 38
Programming the MicroComputer Control Center ...... 27
Display Messages ................................................ 38
Programming System Setpoints ............................... 27
System Shutdown Messages ............................... 40
Service Keys ............................................................ 32
Engine Related Display Messages ....................... 44
Automatic Operation ................................................ 32
Engine Related Shutdown Messages .................... 46
SECTION 3
System Operating Procedures
........................................................ 48
Start-Up Procedure (Also see page 50) .................... 48
Chiller Operating Thresholds (Also see page 19) ... 51
Start Sequence (Also see pages 50 & 57) ................ 49
Chiller Operation ................................................... 52
Shutdown Sequence ................................................ 49
Safety Shutdowns (Also see page 14) .................. 53
Quick Safety Shutdown (Also see page 13) ............. 49
Cycling Shutdowns ............................................... 54
Timing Chart for System (Also see page 57) ............ 50
SECTION 4
System Components Description
........................................................... 55
Photo of YG Components ........................................ 55
Engine Vibration Sensor ....................................... 59
Photo of YB Components ......................................... 56
Gear Oil Temp Switch Connections ....................... 60
Start Sequence (Also see pages 49 & 50) ................ 57
SECTION 5
Operation Maintenance
.............................................................. 61
SECTION 6
Troubleshooting (Problems and Solutions)
................................................ 62
SECTION 7
Maintenance
......................................................................... 66
SECTION 8
Preventative Maintenance
........................................................... 71
