Johnson Controls YORK YVAM 0350, Operation & Maintenance Manual

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Chemical water treatment...................................................................................................................... 136
Cleaning evaporator tubes..................................................................................................................... 137
Tube fouling..............................................................................................................................................137
Tube cleaning procedures...................................................................................................................... 137
Evaporator tube leaks............................................................................................................................. 138
Testing for evaporator tube leaks..........................................................................................................138
Condenser maintenance.................................................................................................................. 139
Cleaning requirements of microchannel heat exchangers................................................................ 139
Cleaning Standard and Environment Guard MCHX coils....................................................................139
Cleaning Environment Guard Premium MCHX coils............................................................................140
Electrical controls...............................................................................................................................140
Unit heater operation verification...................................................................................................140
Testing evaporator waterbox heaters WBH1 and WBH2....................................................................141
Testing evaporator shell heaters EVH1 and EVH2................................................................................141
Testing heat trace for drive coolant HT1 and HT2............................................................................... 141
Testing the VGD actuator heater mat....................................................................................................142
Testing the MBC heater mat...................................................................................................................142
Testing the drive internal heater............................................................................................................142
Testing the OptiView control panel heater........................................................................................... 143
Testing the OptiView control panel cooler............................................................................................144
Testing UPS panel heating......................................................................................................................145
Automatic battery health test during shutdown...........................................................................145
Printing..........................................................................................................................................................147
Printing overview...............................................................................................................................147
Acceptable printers........................................................................................................................... 147
OKI Data.................................................................................................................................................... 148
Brecknell....................................................................................................................................................149
Control center setup......................................................................................................................... 150
Downloading system prints to a laptop..........................................................................................151
Unit conversion............................................................................................................................................ 162
YVAM Control Center 6