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RODUCTS
5-2. DVM design process example (Cooling)
(As for both cooling and heating units, it is necessary to review its design for heating)
1) Determine design conditions
Ô Design temperature
2) Select preliminary indoor unit for each zone
Ô Determine the type of indoor unit
Ô Check cooling load per zone
Ô Product power supply: 3-phase, 380V, 50Hz
Ô Max. piping length (outdoor unit to the farthest indoor unit): 60m
Level difference: -20m (‘-’ means outdoor unit is installed at a location lower than indoor unit.)
Ô Considering design temperature condition, select a larger indoor unit model than indoor load values at the
cooling capacity table by each indoor unit. (If latent heat load value is known, select an indoor unit that meets
both latent heat load and sensible heat load.)
❈ Design Temperature can differ from country to country or from region to
region.
Cooling
Outdoor Indoor
33°C DB 19°C WB
Cooling
Outdoor Indoor
33°C DB 19°C WB
Zone A B C D E F G
Total cooling load (kW)
3.3 6.3 4.5 7.1 10.4 7.0 10.0
Sensible heat load of
cooling (kW)
2.2 5.0 3.0 4.9 8.0 5.1 7.0
Zone A B C D E F G
Total cooling load (kW)
3.3 6.3 4.5 7.1 10.4 7.0 10.0
Sensible heat load of
cooling (kW)
2.2 5.0 3.0 4.9 8.0 5.1 7.0
Indoor unit type Vivace Slim duct Mini 4way 4way Slim duct Ceiling 4way
Zone A B C D E F G
Total cooling load (kW) 3.3 6.3 4.5 7.1 10.4 7.0 10.0
Sensible heat load of
cooling (kW)
2.2 5.0 3.0 4.9 8.0 5.1 7.0
Indoor unit type Vivace Slim duct Mini 4way 4way Slim duct Ceiling 4way
Determined model
AVXWVH036 AVXDSH071 AVXCMH056 AVXC4H071 AVXDSH112 AVXTFH071 AVXC4H112
1. products(01~41) 3/14/08 22:01 Page 33
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