Piping Diagram
Samsung Electronics 281
Rotation defrost
▪ Purpose
▪
Concept
- Continuous heating is provided by performing defrost operation for each unit if HR modules are used.
- HR Only
▪
Control specifications in detail
- In heating mode, defrost operation is performed on each unit one after another according to the order of rotation priority.
(see "Rotation defrost control" for details).
Input unit Seg1 Seg2 Seg3 Seg4 Rotation defrost
Main 1 1
0 0 Disabled (default)
0 1 Enabled
▪ Notes
- Incorrect settings may seriously damage the system.
- Setting is unnecessary if high-head condition is set.
Expand operational temperature range for cooling
▪
Purpose
▪
Concept
- HR Only
▪
- Main EEV, and Solenoid valve.
- Hot gas bypass.
Input unit Seg1 Seg2 Seg3 Seg4
Expand operational temperature range for
cooling operation (HR only)
Main 1 2
0 0 Disabled (default)
0 1 Enabled
▪
Notes
increase.
- This option is only for HR unit.
Channel address
▪
Purpose
- Identify multiple main outdoor units connected to upper-level controllers, such as DMS and S-NET3.
▪
Concept
- If the Channel address is set, the same channel address is assigned to the sub outdoor units, indoor units,
and MCUs connected to a main outdoor unit.
▪
Input unit Seg1 Seg2 Seg3 Seg4 Channel address
Main 1 3
A U Automatic setting (default)
0~15
Manual setting for channel
0 - 15
7-3 Functions (cont.)
7-3-3-1 Field Setting (cont.)
7-3-3 Others (cont.)
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