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2WAY SYSTEM 
Outdoor Unit Maintenance Remote Controller
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2. Functions
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Functions on the ordinary display
(1) Functions: Button operations can be used to perform the following functions. 
• Start/stop of all indoor units 
• Switching between cooling and heating 
• Test run of all indoor units 
• Double-speed operation of indoor units (Do not use for actual operation. Doing so may damage the devices.)
(2) Display: The following can be displayed.
  • Alarm details display
  • No. of indoor/outdoor units
  • Unit Nos. of connected indoor/outdoor units
  • Indoor/outdoor unit operating status (blinks when an alarm occurs)
  • Indoor unit thermostat ON
  • Display of individual outdoor unit alarms
  • Total operating time of outdoor unit compressors
  • Oil level of the outdoor unit oil sensor
  • Total outdoor unit power ON time
  • Outdoor unit microcomputer version, other information
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Temperature monitor
  • Displays the indoor/outdoor unit sensor temperatures.
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Outdoor unit alarm history monitor
  • Displays the outdoor unit alarm history.
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Mode settings 
  • Setting mode 1 and setting mode 2 are used to make the outdoor EEPROM setting.
SM830204-05_2WAY SYS.indb   3 2015/01/23   11:56:55