Built-In
Built-In
(600-
(600-
2
2
)
)
Series
Series
Electronic Control System
3-10
#3758407 - Revision B - August, 2006
Control Condenser Fan Operation
The microprocessor senses the 115 volt AC output to both compressors. If either compressor is running, a signal is
sent to the condenser fan relay on the control board to close, supplying power to the condenser fan (See Figure 3-
13). If both compressors are off, the condenser fan will be off.
NOTE: In single compressor models (601R-2, 601RG-2, 601F-2), power to the condenser fan is supplied by the
compressor circuit. The white/red wire from the control board will not be present in those models.
NOTE: In models 611G-2 and 650G-2, the condenser fan relay also controls the door heater.
Figure 3-13. Signal Trace Schematic of Condenser Fan Operation
the condenser fan is energized.
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