Samsung Electronics 282
Piping Diagram
7-3 Functions (cont.)
7-3-3-1 Field Setting (cont.)
7-3-3 Others (cont.)
Snow accumulation prevention control
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Purpose
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Concept
via the outdoor temperature.
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the outdoor fans operate in 3 step for 10 sec and then continue operation in a higher step for 50 sec.
Input unit Seg1 Seg2 Seg3 Seg4
Main 1 4
0 0 Enabled (default)
0 1 Disabled
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Notes
- Outdoor fans may be turned on by this feature during servicing. Careful attention is required.
Speed operation
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Purpose
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Concept
-The cooling or heating speed is increased by raising the compressor frequency increase speed.
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- The frequency and increase speed are increased in Safety Start mode.
- The control speed is improved by changing the interval to control the target heating pressure to 20 sec from 40 sec.
Input unit Seg1 Seg2 Seg3 Seg4 Speed operation
Main 1 7
0 0 Disabled (default)
0 1 Enabled
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Notes
Max capacity restriction
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Purpose
Prevent an excessive increase of compressor performance compared to the capacity of indoor units (default option).
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Concept
The maximum capacity for outdoor units is restricted taking into account the capacity of indoor units and the outdoor tem-
perature.
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- The maximum operation capacity is restricted, taking into account the capacity of indoor units, set fan speed,
high pressures.
Input unit Seg1 Seg2 Seg3 Seg4 Max capacity restriction
Main 1 8
0 0 Enabled (default)
0 1 Disabled
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