Dvm Des; Dvm Design Pro Ign Process Cess - Samsung MXJ-YA1509 Series Installation Manual

3. DVM design process 3. DVM design process
DVM is a variable multi air conditioner that modulates its performance by different conditions such as DVM is a variable multi air conditioner that modulates its performance by different conditions such as
design temperature, indoor and outdoor unit combination rates, heating operation rates, piping length, design temperature, indoor and outdoor unit combination rates, heating operation rates, piping length,
and level difference. and level difference. It is important to select the appropriate design condition to the load of each room. It is important to select the appropriate design condition to the load of each room.
Design temperature Design temperature
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Calculate cooling and heating loads Calculate cooling and heating loads
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Power supply, piping length and level difference Power supply, piping length and level difference
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Consider design temperature conditions to select Consider design temperature conditions to select
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larger indoor types than actual load. larger indoor types than actual load.
Determine outdoor units by the sum of the capacity Determine outdoor units by the sum of the capacity
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of preliminary selected indoor units: At this time, of preliminary selected indoor units: At this time,
decide how much combination ratio to permit. decide how much combination ratio to permit.
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Calculate actual capacity of each indoor Calculate actual capacity of each indoor
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unit based on the calculated outdoor unit based on the calculated outdoor
capacity. capacity.
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If Indoor If Indoor units' actual capacity is lower than the load, units' actual capacity is lower than the load,
reselect ones with a larger capacity. Depending on reselect ones with a larger capacity. Depending on
designers' own discretion. designers' own discretion.
If there is no indoor unit with a larger capacity, add If there is no indoor unit with a larger capacity, add
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another indoor unit. another indoor unit.
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Installation guide Installation guide
Calculate actual capacity of Calculate actual capacity of
outdoor outdoor units units considering considering
design temperature, indoor and design temperature, indoor and
outdoor unit combination ratio, outdoor unit combination ratio,
piping length, level difference, piping length, level difference,
heating operation rates, etc. heating operation rates, etc.