Samsung AM072BXV Series Service Manual page 282

Piping Diagram
7-3 Functions (cont.)
7-3-3 Others (cont.)
7-3-3-1 Field Setting (cont.)
Silent mode for night-time
▪ Purpose
Reduce the maximum operation noise when using units in an area sensitive to noise, such as a residential area.
▪ Concept
- The maximum compressor frequency and the outdoor fan RPM are lowered.
(Noise level: Level 1 > Level 2 > Level 3)
- Auto mode : General and silent modes switch to each other automatically for day and night.
- External contact : Configure this option if using an interface module (MIM-B14).
Silent mode turns on if the external contact is on.
▪ Control specifications in detail
- The maximum compressor frequency and outdoor fan RPM decrease according to the specified level.
- Silent mode automatically turns on according to the day/night temperature pattern if Auto mode is on.
If External contact is configured, silent mode turns on when the contact is on.
Input unit Seg1
Main 0
▪ Notes
- If the silent mode option is configured, the noise level decreases. However, performance may degrade.
- Noise level according to the specified silent mode LEVEL.
Silent mode
Disabled
LEVEL 1
LEVEL 2
LEVEL 3
Samsung Electronics
Seg2 Seg3
0
0
0
0
0
7
0
0
0
0
0
Noise level (dB)
SPEC
SPEC – 1/3*(SPEC-49)
SPEC – 2/3*(SPEC-49)
49
Seg4 Silent mode for night - time
0
1
2
3
4 LEVEL 1 / External contact
5 LEVEL 2 / External contact
6 LEVEL 3 / External contact
7
8
9
Disabled (default)
LEVEL 1 / Auto
LEVEL 2 / Auto
LEVEL 3 / Auto
LEVEL 1
LEVEL 2
LEVEL 3
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