Samsung AM080FX A Series Service Manual page 356

Piping Diagram
7-3 Functions (cont.)
7-3-3 Others (cont.)
7-3-3-1 Field Setting (cont.)
High-head condition setting
▪ Purpose
Secure performance and reliability when using units installed under a high-head condition.
▪ Concept
- Control of the compressor frequency, outdoor fans, EEV, and valves is optimized to facilitate the circulation of
refrigerant in any head condition.
▪ Control specifications in detail
- In Type 1 heating mode, the initial EEV opening degree increases.
The compressor frequency increase speed decreases if the low pressure is low
(see "Main EEV control" for details on EEV control).
- In Type 2 heating mode, the initial EEV opening degree decreases.
The compressor frequency increase speed decreases if the low pressure is low
(see "Main EEV control" for details on EEV control).
- In Type 2 cooling mode, the target high pressure for outdoor fans increases to 28kgf/cm2,g.
(see "Fan control" for details on controlling outdoor fans).
- In Type 1 and 2 cooling modes, EVI bypass mode turns on (see "EVI EEV control" for details).
Input unit Seg1
Main 0
▪ Notes
- Incorrect settings may damage the system.
Samsung Electronics
Seg2 Seg3
0
0
8
0
0
Seg4 Silent mode for night - time
0
1 (When outdoor unit is located 40~80m
above the indoor unit)
2 (When outdoor unit is located over 80m
above the indoor unit)
3
(When indoor unit is over 30m above the outdoor unit)
Disabled (default)
Level 1 of Type1
Level 2 of Type 1
Type 2
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