OptiSpeed compressor drive details (0490 and 0774 amp drives).................................................. 141
Smart sensor system............................................................................................................................. 142
OptiSpeed compressor drive details (0490A, 0612A, 0730A, and 1278A amp drives).................... 143
OptiSpeed compressor drive and chiller operation (0490 and 0774 amp models)................. 154
OptiSpeed compressor drive and chiller operation (0490A, 0612A, 0730A, and
1278A amp models)............................................................................................................... 155
Maintenance............................................................................................................................................... 156
Preventative maintenance............................................................................................................. 156
Renewal parts.................................................................................................................................. 157
Operating inspections.................................................................................................................... 157
Checking system for leaks.............................................................................................................. 158
Conduct pressure test.................................................................................................................... 158
System evacuation.......................................................................................................................... 160
Vacuum dehydration....................................................................................................................... 160
Conduct pressure test.................................................................................................................... 163
Refrigerant charging....................................................................................................................... 163
Checking the refrigerant charge................................................................................................... 163
Handling refrigerant for dismantling and repairs...................................................................... 164
Compressor and motor.................................................................................................................. 164
Condensers and evaporators........................................................................................................ 165
Chemical water treatment.................................................................................................................... 165
Cleaning evaporator and condenser tubes........................................................................................ 166
Tube fouling............................................................................................................................................ 166
Tube cleaning procedures.................................................................................................................... 166
Acid cleaning of tubes........................................................................................................................... 166
Testing for evaporator and condenser tube leaks............................................................................ 167
Electrical controls............................................................................................................................ 168
Automatic battery health test – during shutdown...................................................................... 168
Printing........................................................................................................................................................ 170
Printing overview............................................................................................................................. 170
Acceptable printers......................................................................................................................... 170
OKI Data.................................................................................................................................................. 171
Brecknell................................................................................................................................................. 172
Control center setup....................................................................................................................... 173
Downloading system prints to a laptop....................................................................................... 174
Unit conversion.......................................................................................................................................... 184
5
YMC
2
Mod B with OptiView
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Control Center
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