Piping Diagram
Samsung Electronics 247
Cold Air Prevention
ƒ 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.
ƒ Concept
- The
fan does not operate if the indoor heat exchanger temperature is low in heating mode.
The fan speed is restricted if the temperatur
e is low.
ƒ 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 hea
t 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
38ఁ
36ఁ
34ఁ
32ఁ
30ఁ
28ఁ
26ఁ
20ఁ
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.)
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