Piping Diagram
Samsung Electronics
269
Cold Air Prevention
▪
Purpose
Control the fan speed to avoid discomfort of people in the room due to cold air in cooling mode or during the initial start-up
of heating.
▪
Concept
-
The fan does not operate if the indoor heat exchanger temperature is low in heating mode.
The fan speed is restricted if the temperature is low.
▪
Control specifications in detail
-
Condition(s) required to use the mode : Indoor units are operating in heating mode
- The fan speed is restricted according to the average heat exchanger temperature and temperature variations
(increase/decrease).
Evap. avg. Temp.
Airflow in heating mode
If the temp rises
If the temp drops
High or lower
High or lower
38
℃
36
℃
34
℃
32
℃
30
℃
28
℃
26
℃
20
℃
Mid or lower
Mid or lower
Low
Low
Low Low
Fan off
Low Low
7-3 Functions (cont.)
7-3-2-6 Indoor unit control (cont.)
7-3-2 Control (cont.)
