York YD A - Page 6

JOHNSON CONTROLS
6
FORM 160.69-O2
ISSUE DATE: 9/30/2020
TABLE OF CONTENTS (CONT'D)
Megging The Motor .........................................................................................................................................43
Condensers And Evaporators .......................................................................................................................... 45
General ...........................................................................................................................................................45
Chemical Water Treatment ............................................................................................................................. 45
Cleaning Evaporator And Condenser Tubes ..................................................................................................45
Tube Fouling ...................................................................................................................................................45
Tube Cleaning Procedures .............................................................................................................................45
Acid Cleaning Of Tubes ..................................................................................................................................46
Commercial Acid Cleaning .............................................................................................................................46
Testing For Evaporator And Condenser Tube Leaks ......................................................................................46
Compressor .................................................................................................................................................... 47
Electrical Controls ..........................................................................................................................................47
SECTION 7 – PREVENTIVE MAINTENANCE ....................................................................................................49
Compressor .................................................................................................................................................... 49
Compressor Motor ..........................................................................................................................................49
Greased Bearings On Reliance Q5800 Motors .............................................................................................. 49
Leak Testing ...................................................................................................................................................50
Evaporator And Condenser ............................................................................................................................50
Oil Return System ..........................................................................................................................................50
Electrical Controls ..........................................................................................................................................50
SI METRIC CONVERSION ................................................................................................................................... 51
Temperature ...................................................................................................................................................51