Samsung mini DVM Series Service Manual page 402

3. High Elevation Reliability
For high story building applications, 100~170meter-long pipes and 40~50meter-high elevation system must provide reliable
capacity and oil management to prolong system life.
Digital Scroll
Normal Scroll
Minimum oil level
10 12
Samsung Electronics
Outdoor chamber
Indoor chamber
Measured data(Capacity, Oil level, Liquid back,
Starting, Outdoor air temp. etc.)
14 16 18 20 22
10m
50m
Compressor
24 26 28 30
Test of operation under low temperature and 50meter-fall
• Condition under 20°C indoor and -5°C outdoor
• Condition under the minimum oil level of Compressor
• Refrigerant of an accumulator added
Operating Instructions and Installation
35 40 50min
11-21