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8. Start/Stop Operation
• Auto-Start/Stop is provided to permit stopping / restarting the die-
sel-driven compressor as required. This gives the microprocessor
automatic control of starting and stopping the diesel engine.
• The main function of Auto-Start/Stop is to turn off the refrigeration
system near the setpoint to provide a fuel efficient temperature
control system and then restart the engine when needed.
• Start/Stop operation is normally used for frozen loads.
1. After start-up, check that the Auto Start/Stop mode Icon is illumi-
nated. If it is illuminated, the unit is already in the Auto Start/Stop
mode.
2. If it is not illuminated, press the Auto Start/Stop - Continuous key to
toggle the unit into Auto Start/Stop mode. The message “S/S ON”
is displayed.
Whenever the unit starts in Auto Start/Stop, it will run until:
• It has run for the predetermined minimum run time
• The engine coolant temperature is above 122°F (50°C)
• The box temperature is at setpoint
1 (Icon illuminated when Auto Start/Stop mode active)
2
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