Samsung MIM-B18 User Manual page 37

Indoor Unit Usage Restriction_Operation Limit
You can set the operation of indoor unit as cooling only and
heating only.
1
Click [Control and Monitoring]  [Indoor unit usage
restriction] when DMS2 web page menu screen appears.
2
Press [Edit] button.
3 Set the limit mode.
 You can select 'Cool-only', 'Heat-only' or 'None'.
- For cooling only indoor unit, you can select cool, dry and
fan modes only.
- For heating only indoor unit, you can select heat and fan
modes only.
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