MULTI Outdoor Unit General information 1. Model line up ■ Multiple piping type (1 phase) Nominal Capacity(kW) A2UW18GFAC A3UW21GFAC A3UW24GFA3 Model Name [A2UW18GFAC] [A3UW21GFAC] [A3UW24GFA3] No.of connectable indoor units Max.2 Max.3 Max.3 Total capacity index of kBtu/h connectable indoor units Power supply 220V, 1Ø, 60Hz...
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MULTI Outdoor Unit General information 2. Nomenclature Outdoor Units Model Name Signification Indicates that this is multi system outdoor unit using R410A Ex) A5U : Connectable max. 5 indoor units A9U : Connectable max. 9 indoor units Model type W : DC inverter heat pump Cooling/heating capacity Ex) 24,000 Btu/h Class →...
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MULTI Outdoor Unit General information 3. External Appearance LG multi system provides various indoor units such as wall mounted, ceiling cassette, ceiling concealed duct, etc. ■ MULTI F Outdoor unit Indoor unit ※ According to line up of each region,...
Up to Max.9 indoor units can be connected to one outdoor unit. It is recommended to choose a large capacity outdoor unit if the installation space is large enough. MULTI Inverter (1 phase) Nominal Capacity(kW) A2UW18GFAC A3UW21GFAC A3UW24GFA3 Global model name...
MULTI Outdoor Unit General information 4. Indoor Unit and Outdoor Unit Capacity Index 4.2 Combination of indoor and outdoor unit The total capacity index of indoor units is the sum of capacity index of each units and should be within the capacity index of the outdoor unit.
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Outdoor Unit Multiple piping type MULTI 1.List of Functions 2.Specifications 3.Dimensions 4.Combination Table 5.Capacity Tables 6.Capacity Correction Factor 7.Electrical Characteristics 8.Operation Range 9.Piping Diagrams 10.Wiring Diagrams 11.Sound Levels...
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MULTI Outdoor Unit Multiple piping type 1. List of functions Basic functions of Outdoor Unit A2UW18GFAC Category Functions A3UW21GFAC Defrost / Deicing High pressure switch Phase protection Reliability Restart delay (3-minutes) Self diagnosis Soft start Night Low Noise Operation...
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MULTI Outdoor Unit Multiple piping type 1. List of functions Basic functions of Outdoor Unit A3UW24GFA3 A4UW30GFA2 Category Functions A5UW36GFA2 A5UW48GFA1 Defrost / Deicing High pressure switch Phase protection Reliability Restart delay (3-minutes) Self diagnosis Soft start Night Low Noise Operation Wiring Error Check Peak Control Convenience...
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MULTI Outdoor Unit Multiple piping type 2. Specifications Model Names A2UW18GFAC Sum of Indoor Units Capacity kBtu/h Combination Number of Indoor Units Number of BD Units Min.~Rated~Max. 1.23 ~ 4.69 ~ 5.39 Cooling Capacity* Min.~Rated~Max. Btu/h 4,200 ~ 16,000 ~ 18,400 Min.~Rated~Max.
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MULTI Outdoor Unit Multiple piping type 2. Specifications Model Names A3UW21GFAC Sum of Indoor Units Capacity kBtu/h Combination Number of Indoor Units Number of BD Units Min.~Rated~Max. 1.23 ~ 6.15 ~ 7.03 Cooling Capacity* Min.~Rated~Max. Btu/h 4,200 ~ 21,000 ~ 24,000 Min.~Rated~Max.
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MULTI Outdoor Unit Multiple piping type 2. Specifications Model Names A3UW24GFA3 Sum of Indoor Units Capacity kBtu/h Combination Number of Indoor Units Number of BD Units Min.~Rated~Max. 1.23 ~ 7.03 ~ 7.91 Cooling Capacity* Min.~Rated~Max. Btu/h 4,200 ~ 24,000 ~ 27,000 Min.~Rated~Max.
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MULTI Outdoor Unit Multiple piping type 2. Specifications Model Names A4UW30GFA2 Sum of Indoor Units Capacity kBtu/h Combination Number of Indoor Units Number of BD Units Min.~Rated~Max. 1.32 ~ 7.91 ~ 9.50 Cooling Capacity* Min.~Rated~Max. Btu/h 4,500 ~ 27,000 ~ 32,400 Min.~Rated~Max.
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MULTI Outdoor Unit Multiple piping type 2. Specifications Model Names A5UW36GFA2 Sum of Indoor Units Capacity kBtu/h Combination Number of Indoor Units Number of BD Units Min.~Rated~Max. 1.32 ~ 10.26 ~ 10.55 Cooling Capacity* Min.~Rated~Max. Btu/h 4,500 ~ 35,000 ~ 36,000 Min.~Rated~Max.
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MULTI Outdoor Unit Multiple piping type 2. Specifications Model Names A5UW48GFA1 Sum of Indoor Units Capacity kBtu/h Combination Number of Indoor Units Number of BD Units Min.~Rated~Max. 1.32 ~ 14.01 ~ 14.65 Cooling Capacity* Min.~Rated~Max. Btu/h 4,500 ~ 47,800 ~ 50,000 Min.~Rated~Max.
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MULTI Outdoor Unit Multiple piping type 3. Dimensions 3.1 Product [U18A Chassis] A2UW18GFAC...
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MULTI Outdoor Unit Multiple piping type 3. Dimensions [U18A Chassis] A3UW21GFAC...
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MULTI Outdoor Unit Multiple piping type 3. Dimensions [U24A Chassis] A3UW24GFA3...
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MULTI Outdoor Unit Multiple piping type 3. Dimensions [U36A Chassis] A4UW30GFA2...
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MULTI Outdoor Unit Multiple piping type 3. Dimensions [U36A Chassis] A5UW36GFA2, A5UW48GFA1...
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MULTI Outdoor Unit Multiple piping type 3. Dimensions 3.2 Installation Space_ODU For Side Discharge (capacity < 28.0 kW) [Unit : mm(inch)] Case 1 : No obstacle on top side Obstacle on the Suction side Case 2 : Obstacle on top side Front Front Front...
Important In case that the connected indoor units include high static duct type, capacity index of high static duct indoor unit should be multiplied by 1.3 times when calculate the ‘Combination Ratio’. 4.1 A2UW18GFAC Cooling Cooling Combination Total Capacity...
MULTI Outdoor Unit Multiple piping type 4. Combination Table 4.6 A5UW48GFA1 Cooling Cooling Combination Total Capacity (Capacity index, kBtu/h) Input (W) Rated Unit-A Unit-B Unit-C Unit-D Unit-E Total Btu/h Btu/h Btu/h Rated 1 Unit Operation 4,800 1.41 7,000 2.05 8,400 2.46 5,400...
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MULTI Outdoor Unit Multiple piping type 4. Combination Table Cooling Combination Total Capacity (Capacity index, kBtu/h) Input (W) Rated Unit-A Unit-B Unit-C Unit-D Unit-E Total Btu/h Btu/h Btu/h Rated 22,526 6.60 30,000 8.79 38,684 11.34 1654 2404 4209 23,632 6.93 32,000 9.38 40,221...
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MULTI Outdoor Unit Multiple piping type 4. Combination Table Cooling Combination Total Capacity (Capacity index, kBtu/h) Input (W) Rated Unit-A Unit-B Unit-C Unit-D Unit-E Total Btu/h Btu/h Btu/h Rated 28,000 8.21 43,050 12.62 50,000 14.65 1980 3,778 5400 28,000 8.21 44,520 13.05 50,000...
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MULTI Outdoor Unit Multiple piping type 4. Combination Table Cooling Combination Total Capacity (Capacity index, kBtu/h) Input (W) Rated Unit-A Unit-B Unit-C Unit-D Unit-E Total Btu/h Btu/h Btu/h Rated 28,000 8.21 47,800 14.01 50,000 14.65 1980 4670 5400 28,000 8.21 47,800 14.01 50,000...
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MULTI Outdoor Unit Multiple piping type 4. Combination Table Heating Heating Combination Total Capacity (Capacity index, kBtu/h) Input (W) Rated Unit-A Unit-B Unit-C Unit-D Unit-E Total Btu/h Btu/h Btu/h Rated 1 Unit Operation 5,500 1.61 8,400 2.46 10,000 2.93 6,500 1.91 10,800...
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MULTI Outdoor Unit Multiple piping type 4. Combination Table Heating Combination Total Capacity (Capacity index, kBtu/h) Input (W) Rated Unit-A Unit-B Unit-C Unit-D Unit-E Total Btu/h Btu/h Btu/h Rated 21,709 6.36 40,800 11.96 45,333 13.29 1,602 3,020 4,872 22,062 6.47 42,000 12.31 46,267...
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MULTI Outdoor Unit Multiple piping type 4. Combination Table Heating Combination Total Capacity (Capacity index, kBtu/h) Input (W) Rated Unit-A Unit-B Unit-C Unit-D Unit-E Total Btu/h Btu/h Btu/h Rated 31,298 9.17 50,000 14.65 54,500 15.97 2,067 4,015 5,350 31,298 9.17 50,000 14.65 54,500...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables 5.1 A2UW18GFAC Cooling Capacity Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 1 Unit Operation 1.95 0.30 2.07 0.40 2.20 0.43 2.26 0.44 2.44 0.44 2.56 0.44...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Heating Capacity Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) 1 Unit Operation -15.0 2.72 1.30 2.59 1.34 2.46 1.38 2.41 1.40 2.36...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables 5.2 A3UW21GFAC Cooling Capacity Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 1 Unit Operation 1.95 0.30 2.07 0.40 2.20 0.43 2.26 0.44 2.44 0.44 2.56 0.44 1.91 0.32...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 5.85 1.05 6.22 1.41 6.59 1.53 6.77 1.55 7.32 1.56 7.68 1.56 5.72 1.11 6.08 1.45 6.45 1.57 6.63 1.59 7.18 1.62...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 5.85 0.90 6.22 1.22 6.59 1.32 6.77 1.34 7.32 1.35 7.68 1.35 5.72 0.96 6.08 1.25 6.45 1.35 6.63 1.37 7.18 1.40...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Heating Capacity Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) 1 Unit Operation -15.0 2.73 1.23 2.59 1.22 2.46 1.19 2.41 1.17 2.36...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 3.94 1.38 3.91 1.47 3.88 1.56 3.87 1.60 3.85 1.65 3.83 1.73 -10.0 4.69 1.56...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 3.94 1.30 3.91 1.39 3.88 1.47 3.87 1.51 3.85 1.55 3.83 1.63 -10.0 4.69 1.47...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables 5.3 A3UW24GFA3 Cooling Capacity Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 1 Unit Operation 1.95 0.26 2.07 0.36 2.20 0.39 2.26 0.39 2.44 0.40 2.56 0.40 1.91 0.28...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 5.85 0.88 6.22 1.19 6.59 1.29 6.77 1.30 7.32 1.32 7.68 1.32 5.72 0.93 6.08 1.22 6.45 1.32 6.63 1.34 7.18 1.36...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 5.85 0.75 6.22 1.02 6.59 1.10 6.77 1.12 7.32 1.13 7.68 1.13 5.72 0.80 6.08 1.05 6.45 1.13 6.63 1.15 7.18 1.17...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 6.69 0.93 7.11 1.26 7.53 1.36 7.74 1.38 8.36 1.39 8.78 1.39 6.53 0.99 6.95 1.29 7.37 1.39 7.58 1.41 8.21 1.44...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Heating Capacity Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) 1 Unit Operation -15.0 2.73 1.23 2.59 1.20 2.46 1.17 2.41 1.15 2.36...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 4.78 1.81 4.75 1.93 4.71 2.04 4.70 2.10 4.68 2.16 4.65 2.28 -10.0 5.83 2.04...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 4.78 1.64 4.75 1.75 4.71 1.86 4.70 1.91 4.68 1.97 4.65 2.07 -10.0 5.83 1.86...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 4.82 1.66 4.78 1.77 4.75 1.87 4.73 1.93 4.72 1.98 4.69 2.09 -10.0 5.87 1.87...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables 5.4 A4UW30GFA2 Cooling Capacity Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 1 Unit Operation 1.95 0.30 2.07 0.40 2.20 0.44 2.26 0.44 2.44 0.45 2.56 0.45 1.91 0.32...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 5.85 0.86 6.22 1.17 6.59 1.26 6.77 1.28 7.32 1.29 7.68 1.29 5.72 0.92 6.08 1.20 6.45 1.29 6.63 1.31 7.18 1.34...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 7.53 1.20 8.00 1.62 8.47 1.76 8.70 1.78 9.41 1.80 9.88 1.80 7.35 1.28 7.82 1.67 8.29 1.80 8.52 1.83 9.23 1.86...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 7.53 1.13 8.00 1.53 8.47 1.65 8.70 1.67 9.41 1.69 9.88 1.69 7.35 1.20 7.82 1.57 8.29 1.69 8.52 1.72 9.23 1.75...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 7.53 1.13 8.00 1.53 8.47 1.65 8.70 1.67 9.41 1.69 9.88 1.69 7.35 1.20 7.82 1.57 8.29 1.69 8.52 1.72 9.23 1.75...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 7.53 1.13 8.00 1.53 8.47 1.65 8.70 1.67 9.41 1.69 9.88 1.69 7.35 1.20 7.82 1.57 8.29 1.69 8.52 1.72 9.23 1.75...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 7.52 1.07 7.99 1.45 8.46 1.57 8.70 1.59 1.60 1.60 7.35 1.14 7.82 1.49 8.29 1.61 8.52 1.63 1.66 1.67 6.93 1.53...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 7.52 1.07 7.99 1.45 8.46 1.57 8.70 1.59 1.60 1.60 7.35 1.14 7.82 1.49 8.29 1.61 8.52 1.63 1.66 1.67 6.93 1.53...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 7.52 1.07 7.99 1.45 8.46 1.57 8.70 1.59 1.60 1.60 7.35 1.14 7.82 1.49 8.29 1.61 8.52 1.63 1.66 1.67 6.93 1.53...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Heating Capacity Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) 1 Unit Operation -15.0 2.72 1.28 2.59 1.24 2.46 1.21 2.41 1.19 2.36...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.18 2.15 6.13 2.29 6.09 2.42 6.07 2.49 6.05 2.56 6.01 2.70 -10.0 7.12 2.42...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.30 2.31 6.25 2.46 6.21 2.60 6.19 2.68 6.17 2.75 6.13 2.90 -10.0 7.26 2.60...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.30 2.30 6.25 2.45 6.21 2.60 6.19 2.67 6.17 2.74 6.13 2.89 -10.0 7.26 2.60...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.30 2.30 6.25 2.45 6.21 2.60 6.19 2.67 6.17 2.74 6.13 2.89 -10.0 7.26 2.60...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.30 2.30 6.25 2.45 6.21 2.60 6.19 2.67 6.17 2.74 6.13 2.89 -10.0 7.26 2.60...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.30 2.19 6.25 2.33 6.21 2.47 6.19 2.54 6.17 2.61 6.13 2.75 -10.0 7.26 2.47...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.30 2.19 6.25 2.33 6.21 2.47 6.19 2.54 6.17 2.61 6.13 2.75 -10.0 7.26 2.47...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.30 2.19 6.25 2.33 6.21 2.47 6.19 2.54 6.17 2.61 6.13 2.75 -10.0 7.26 2.47...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables 5.5 A5UW36GFA2 Cooling Capacity Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 1 Unit Operation 1.95 0.30 2.07 0.40 2.19 0.44 2.25 0.44 2.44 0.45 2.56 0.45 1.90 0.32...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 5.85 0.86 6.21 1.17 6.58 1.26 6.76 1.28 7.31 1.29 7.68 1.29 5.71 0.92 6.08 1.20 6.44 1.29 6.63 1.31 7.17 1.34...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 9.76 1.95 10.37 2.63 10.98 2.85 11.28 2.88 12.20 2.91 12.81 2.91 9.53 2.07 10.14 2.71 10.75 2.92 11.05 2.96 11.97 3.01...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 8.65 1.49 9.19 2.01 9.73 2.17 10.00 2.20 10.81 2.22 11.35 2.22 8.44 1.58 8.98 2.07 9.52 2.23 9.79 2.26 10.60 2.30...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 9.76 1.92 10.37 2.59 10.98 2.81 11.28 2.85 12.20 2.87 12.81 2.87 9.53 2.04 10.14 2.67 10.75 2.88 11.05 2.92 11.97 2.97...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 9.76 1.92 10.37 2.59 10.98 2.81 11.28 2.85 12.2 2.87 12.8 2.87 9.53 2.04 10.14 2.67 10.75 2.88 11.05 2.92 12.0 2.97...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 9.76 1.66 10.37 2.24 10.98 2.42 11.28 2.45 12.20 2.47 12.81 2.48 9.53 1.76 10.14 2.30 10.75 2.48 11.05 2.52 11.97 2.56...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 9.76 1.66 10.37 2.24 10.98 2.42 11.28 2.45 12.20 2.47 12.81 2.48 9.53 1.76 10.14 2.30 10.75 2.48 11.05 2.52 11.97 2.56...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 9.76 1.66 10.37 2.24 10.98 2.42 11.28 2.45 12.20 2.47 12.81 2.48 9.53 1.76 10.14 2.30 10.75 2.48 11.05 2.52 11.97 2.56...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 9.76 1.66 10.37 2.24 10.98 2.42 11.28 2.45 12.20 2.47 12.81 2.48 9.53 1.76 10.14 2.30 10.75 2.48 11.05 2.52 11.97 2.56...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 9.76 1.64 10.37 2.22 10.98 2.40 11.28 2.44 12.20 2.45 12.81 2.46 9.53 1.74 10.14 2.28 10.75 2.46 11.05 2.50 11.97 2.54...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 9.76 1.64 10.37 2.22 10.98 2.40 11.28 2.44 12.20 2.45 12.81 2.46 9.53 1.74 10.14 2.28 10.75 2.46 11.05 2.50 11.97 2.54...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 9.76 1.64 10.37 2.22 10.98 2.40 11.28 2.44 12.20 2.45 12.81 2.46 9.53 1.74 10.14 2.28 10.75 2.46 11.05 2.50 11.97 2.54...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Heating Capacity Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) 1 Unit Operation -15.0 2.72 1.78 2.59 1.75 2.46 1.71 2.41 1.70 2.36...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.64 2.50 6.59 2.63 6.54 2.75 6.52 2.82 6.50 2.88 6.46 3.01 -10.0 7.87 2.75...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 3.62 6.51 3.81 6.46 3.99 6.44 4.08 6.42 4.18 6.38 4.36 -10.0 7.77 3.99...
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MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 2.93 6.51 3.08 6.46 3.22 6.44 3.30 6.42 3.37 6.38 3.52 -10.0 7.77 3.22...
Page 95
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 2.93 6.51 3.08 6.46 3.22 6.44 3.30 6.42 3.37 6.38 3.52 -10.0 7.77 3.22...
Page 96
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 2.93 6.51 3.08 6.46 3.22 6.44 3.30 6.42 3.37 6.38 3.52 -10.0 7.77 3.22...
Page 97
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 2.86 6.51 3.01 6.46 3.16 6.44 3.23 6.42 3.30 6.38 3.45 -10.0 7.77 3.16...
Page 98
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 2.86 6.51 3.01 6.46 3.16 6.44 3.23 6.42 3.30 6.38 3.45 -10.0 7.77 3.16...
Page 99
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 2.86 6.51 3.01 6.46 3.16 6.44 3.23 6.42 3.30 6.38 3.45 -10.0 7.77 3.16...
Page 100
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 2.86 6.51 3.01 6.46 3.16 6.44 3.23 6.42 3.30 6.38 3.45 -10.0 7.77 3.16...
Page 101
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 2.58 6.51 2.71 6.46 2.84 6.44 2.91 6.42 2.97 6.38 3.10 -10.0 7.77 2.84...
Page 102
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 2.58 6.51 2.71 6.46 2.84 6.44 2.91 6.42 2.97 6.38 3.10 -10.0 7.77 2.84...
Page 103
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 6.56 2.58 6.51 2.71 6.46 2.84 6.44 2.91 6.42 2.97 6.38 3.10 -10.0 7.77 2.84...
Page 104
MULTI Outdoor Unit Multiple piping type 5. Capacity tables 5.6 A5UW48GFA1 Cooling Capacity Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 1 Unit Operation 1.95 0.29 2.07 0.39 2.20 0.42 2.26 0.43 2.44 0.43 2.56 0.43 1.91 0.31...
Page 105
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 6.69 1.40 7.11 1.90 7.53 2.05 7.74 2.08 8.36 2.10 8.78 2.10 6.53 1.49 6.95 1.95 7.37 2.10 7.58 2.13 8.21 2.17...
Page 106
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 6.41 1.02 6.81 1.38 7.21 1.49 7.41 1.51 8.01 1.52 8.42 1.53 6.26 1.08 6.66 1.42 7.06 1.53 7.26 1.55 7.86 1.58...
Page 107
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 10.03 1.84 10.66 2.49 11.29 2.69 11.60 2.73 12.54 2.75 13.17 2.75 9.80 1.95 10.43 2.56 11.05 2.76 11.37 2.80 12.31 2.85...
Page 108
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 10.94 2.22 11.62 2.99 12.31 3.24 12.65 3.29 13.67 3.31 14.36 3.31 10.68 2.35 11.36 3.08 12.05 3.32 12.39 3.37 13.42 3.43...
Page 109
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 10.94 2.22 11.62 2.99 12.31 3.24 12.65 3.29 13.67 3.31 14.36 3.31 10.68 2.35 11.36 3.08 12.05 3.32 12.39 3.37 13.42 3.43...
Page 110
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 10.65 1.79 11.31 2.42 11.98 2.62 12.31 2.66 13.31 2.68 13.98 2.68 10.40 1.91 11.06 2.49 11.73 2.69 12.06 2.73 13.06 2.78...
Page 111
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 12.11 2.33 12.86 3.14 13.62 3.41 14.00 3.45 15.13 3.48 15.89 3.48 11.82 2.47 12.58 3.24 13.33 3.49 13.71 3.54 14.85 3.60...
Page 112
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 12.11 2.33 12.86 3.14 13.62 3.41 14.00 3.45 15.13 3.48 15.89 3.48 11.82 2.47 12.58 3.24 13.33 3.49 13.71 3.54 14.85 3.60...
Page 113
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 12.11 2.33 12.86 3.14 13.62 3.41 14.00 3.45 15.13 3.48 15.89 3.48 11.82 2.47 12.58 3.24 13.33 3.49 13.71 3.54 14.85 3.60...
Page 114
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 12.11 2.33 12.86 3.14 13.62 3.41 14.00 3.45 15.13 3.48 15.89 3.48 11.82 2.47 12.58 3.24 13.33 3.49 13.71 3.54 14.85 3.60...
Page 115
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 12.41 2.29 13.19 3.09 13.96 3.34 14.35 3.39 15.51 3.42 16.29 3.42 12.12 2.43 12.89 3.18 13.67 3.43 14.06 3.48 15.22 3.54...
Page 116
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 13.32 2.54 14.16 3.43 14.99 3.71 15.41 3.76 16.66 3.79 17.49 3.79 13.01 2.69 13.84 3.53 14.68 3.80 15.09 3.86 16.34 3.92...
Page 117
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 13.32 2.54 14.16 3.43 14.99 3.71 15.41 3.76 16.66 3.79 17.49 3.79 13.01 2.69 13.84 3.53 14.68 3.80 15.09 3.86 16.34 3.92...
Page 118
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 13.32 2.54 14.16 3.43 14.99 3.71 15.41 3.76 16.66 3.79 17.49 3.79 13.01 2.69 13.84 3.53 14.68 3.80 15.09 3.86 16.34 3.92...
Page 119
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 13.32 2.54 14.16 3.43 14.99 3.71 15.41 3.76 16.66 3.79 17.49 3.79 13.01 2.69 13.84 3.53 14.68 3.80 15.09 3.86 16.34 3.92...
Page 120
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (°CWB) Combination capacity Outdoor Air index (kBtu/h) Temp. (°CDB) 13.32 2.54 14.16 3.43 14.99 3.71 15.41 3.76 16.66 3.79 17.49 3.79 13.01 2.69 13.84 3.53 14.68 3.80 15.09 3.86 16.34 3.92...
Page 121
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Heating Capacity Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) 1 Unit Operation -15.0 2.73 1.58 2.59 1.55 2.46 1.51 2.41 1.50 2.36...
Page 122
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 9.73 4.65 9.26 4.73 8.79 4.81 8.62 4.85 8.44 4.90 8.09 4.98 -10.0 9.73 4.81...
Page 123
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 9.73 4.65 9.26 4.73 8.79 4.81 8.62 4.85 8.44 4.90 8.09 4.93 -10.0 9.73 4.67...
Page 124
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.58 4.78 10.51 4.87 10.43 4.96 10.40 5.00 10.36 5.04 10.30 5.13 -10.0 11.93 4.96...
Page 125
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 5.67 10.63 5.77 10.55 5.87 10.52 5.92 10.48 5.97 10.42 6.07 -10.0 12.07 5.87...
Page 126
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.35 4.68 10.28 4.76 9.85 4.85 9.65 4.89 9.45 4.93 9.06 5.02 -10.0 10.90 4.85...
Page 127
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.66 4.82 10.58 4.91 10.51 4.99 10.47 5.04 10.44 5.08 10.37 5.17 -10.0 12.02 4.99...
Page 128
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 5.07 10.63 5.16 10.55 5.25 10.52 5.30 10.48 5.34 10.42 5.43 -10.0 12.07 5.25...
Page 129
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 5.07 10.63 5.16 10.55 5.25 10.52 5.30 10.48 5.34 10.42 5.43 -10.0 12.07 5.25...
Page 130
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 5.07 10.63 5.16 10.55 5.25 10.52 5.30 10.48 5.34 10.42 5.43 -10.0 12.07 5.25...
Page 131
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 5.07 10.63 5.16 10.55 5.25 10.52 5.30 10.48 5.34 10.42 5.43 -10.0 12.07 5.25...
Page 132
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 4.84 10.63 4.93 10.55 5.02 10.52 5.06 10.48 5.11 10.42 5.19 -10.0 12.07 5.02...
Page 133
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 4.84 10.63 4.93 10.55 5.02 10.52 5.06 10.48 5.11 10.42 5.19 -10.0 12.07 5.02...
Page 134
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 4.84 10.63 4.93 10.55 5.02 10.52 5.06 10.48 5.11 10.42 5.19 -10.0 12.07 5.02...
Page 135
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 4.84 10.63 4.93 10.55 5.02 10.52 5.06 10.48 5.11 10.42 5.19 -10.0 12.07 5.02...
Page 136
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 4.84 10.63 4.93 10.55 5.02 10.52 5.06 10.48 5.11 10.42 5.19 -10.0 12.07 5.02...
Page 137
MULTI Outdoor Unit Multiple piping type 5. Capacity tables Indoor Air Temp. (℃DB) Combination Outdoor Air Capacity Index 16.0 18.0 20.0 21.0 22.0 24.0 Temp. (℃WB) (kBtu/h) -15.0 10.70 4.84 10.63 4.93 10.55 5.02 10.52 5.06 10.48 5.11 10.42 5.19 -10.0 12.07 5.02...
Page 138
MULTI Outdoor Unit Multiple piping type 6. Capacity Correction Factor ■ Rate of change in capacity due to the branch piping length Acoording to line up of each region, availability of indoor units may vary. 7k Btu/h (2.1 kW) or less models Rate of change in capacity Piping length(m) Cooling(%)
Page 139
MULTI Outdoor Unit Multiple piping type 6. Capacity Correction Factor ■ Calculation of actual system capacity 1. Outdoor unit rated capacity [from specification table] odu(rated) 2. Outdoor unit capacity at Ti, To temperature. [from capacity table] odu(Ti, To) 3. Outdoor unit capacity correction factor (Ti, To) odu(Ti, To) odu(rated)
Page 140
MULTI Outdoor Unit Multiple piping type 7. Electrical characteristics ■ Wiring of Main Power Supply and Equipment Capacity 1. The power supply work is needed only to the outdoor unit. The power supply to the indoor unit or the BD unit is conducted through the transmission wiring.
Page 141
Outdoor Unit Multiple piping type 7. Electrical characteristics 60Hz (1 Phase) Combination Power Supply COMP IFM * Outdoor Unit Indoor Unit * A2UW18GFAC AMNW09GSJA0 × 2 13.2 10.0 0.043 0.25 0.03 x 2 0.20 x 2 A3UW21GFAC AMNW07GSJA0 × 3 13.4...
Page 142
MULTI Outdoor Unit Multiple piping type 8. Operation Range A2UW18GFAC, A3UW21GFAC Heating Cooling Continuous operation Continuous Operation 10 12 Indoor Temperature [°C WB] Indoor Temp. [°C DB] Note 1. Warming up operation means that the outdoor unit operates to reach the range of continuous operating,...
Page 143
MULTI Outdoor Unit Multiple piping type 8. Operation Range A3UW24GFA3, A4UW30GFA2, A5UW36GFA2 Cooling Heating Continuous Operation Continuous Operation Indoor Tem [°C D B] Note 1. Warming up operation means that the outdoor unit operates to reach the range of continuous operating, however it may not operate continuously due to safety or protection logic.
Page 144
MULTI Outdoor Unit Multiple piping type 8. Operation Range A5UW48GFA1 Cooling Heating Continuous Operation Continuous Operation Warming up operation Indoor Tem [°C DB] Note 1. Warming up operation means that the outdoor unit operates to reach the range of continuous operating, however it may not operate continuously due to safety or protection logic.
Page 145
MULTI Outdoor Unit Multiple piping type 9. Piping diagrams ■ Models : A2UW18GFAC Description PCB Connector Condenser out temperature Thermistor CN_C_PIPE Condensing temperature Thermistor CN_MID Inlet air temperature Thermistor CN_AIR Discharge temperature Thermistor CN_DISCHARGE Suction temperature Thermistor CN_SUCTION...
Page 146
MULTI Outdoor Unit Multiple piping type 9. Piping diagrams ■ Models : A3UW21GFAC Description PCB Connector Condenser out temperature Thermistor CN_C_PIPE Condensing temperature Thermistor CN_MID Inlet air temperature Thermistor CN_AIR Discharge temperature Thermistor CN_DISCHARGE Suction temperature Thermistor CN_SUCTION...
Page 147
MULTI Outdoor Unit Multiple piping type 9. Piping diagrams ■ Models : A3UW24GFA3 Outdoor Unit Inlet Air Temperature Thermistor Condensing Ø6.35 Temperature Flare Connection Thermistor Electronic Expansion Valve Condenser Out ROOM A Temperature Main SVC V/V Thermistor ROOM B ROOM C Pressure Sensor Main SVC V/V...
Page 148
MULTI Outdoor Unit Multiple piping type 9. Piping diagrams ■ Models : A4UW30GFA2, A5UW36GFA2 Outdoor Unit Condenser Out Inlet Air Ø 6.35 Temperature Temperature Thermistor Flare Connection Thermistor Electronic Condensing Expansion Temperature Valve Thermistor ROOM A ROOM B Main SVC V/V ROOM C ROOM D 36kBtu/h...
Page 149
MULTI Outdoor Unit Multiple piping type 9. Piping diagrams ■ Models : A5UW48GFA1 Outdoor Unit Condenser Out Inlet Air Ø 6.35 Temperature Temperature Thermistor Flare Connection Thermistor Electronic Condensing Expansion Temperature Valve Thermistor ROOM A ROOM B ROOM C Electronic Main Expansion SVC V/V...
Page 150
MULTI Outdoor Unit Multiple piping type 10. Wiring diagrams ■ Models : A2UW18GFAC / A3UW21GFAC OUTDOOR DIAGRAMA ELÉTRICO *Esta função pode ser opcional ou instalada de fábrica dependendo do modelo. Você deve adquirir as peças opcionais para poder usá-las. PLACA...
Page 151
MULTI Outdoor Unit Multiple piping type 10. Wiring diagrams ■ Models : A4UW30GFA2 ■ Models : A5UW36GFA2...
Page 152
MULTI Outdoor Unit Multiple piping type 10. Wiring diagrams ■ Models : A5UW48GFA1 OUTDOOR - DIAGRAMA ELÉTRICO PRETO AZUL MARROM LARANJA VERMELHO BRANCO CINZA VIOLETA AMARELO Inverter PCB VERDE VERDE/AMARELO PLACA PRINCIPAL Fiação de Fábrica Fiação de Campo Opcional ou Instalado na fábrica* (Intermediário) (Descarga)
Page 153
6.Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard. Therefore, these values can be increased owing to ambient conditions during operation. Sound Pressure Level [dB(A)] Model Cooling Heating A2UW18GFAC A3UW21GFAC A3UW24GFA3 A4UW30GFA2 A5UW36GFA2 A5UW48GFA1 A2UW18GFAC A3UW21GFAC...
Page 155
6. Sound power level is measured on the rated condition in the reverberation rooms by ISO 3741 standard. Therefore, these values can be increased owing to ambient conditions during operation. Sound power level [dB(A)] Model Cooling A2UW18GFAC A3UW21GFAC A3UW24GFA3 A4UW30GFA2 A5UW36GFA2...
Page 157
MULTI Installation of Outdoor Units 1.Information for Refrigerant 2.Select the Best Location 3.Foundation for Installation 4.Refrigerant Piping System 5.Electrical Wiring 6.Field Wiring 7.Special guide for installation at the Seaside...
Page 158
MULTI Installation of Outdoor Units 1. Information for Refrigerant 1.1 Alternative Refrigerant R410A • The refrigerant R410A has the property of higher operating pressure in comparison with R22. Therefore, all materials have the characteristics of higher resisting pressure than ones of R22 and this characteristic should also be considered during the installation.
Page 159
MULTI Installation of Outdoor Units 1. Information for Refrigerant 1.2 Caution For Refrigerant Leaks The installer and system specialist shall secure safety against leakage according to local regulations or standards. The following standards may be applicable if local regulations are not available. 1.2.1 Concentration limit Concentration limit is the limit of Freon gas concentration where immediate measures can be taken without hurting human body when refrigerant leaks in the air.
Page 160
MULTI Installation of Outdoor Units 1. Information for Refrigerant 3. Calculate the volume of the room where indoor unit is installed as single room or the smallest room. Total amount of refrigerant Maximum concentration In case the result of calculation exceeds system (kg) limit the concentration limit, perform the...
Page 161
MULTI Installation of Outdoor Units 2. Select the Best Location Select space for installing outdoor unit, which will meet the following conditions: • No direct thermal radiation from other heat sources. • No possibility of annoying neighbors due to noise of unit. •...
Page 162
MULTI Installation of Outdoor Units 3. Foundation for Installation Unit : mm Pallet(Wood Support) - Remove before Installation • Install where it can sufficiently support the weight of the outdoor unit. If the support strength is not enough, the outdoor unit may drop and hurt people. •...
Page 163
MULTI Installation of Outdoor Units 4. Refrigerant Piping System ■ Piping System between outdoor unit / indoor unit Indoor Unit When the outdoor unit is installed in a higher position than the indoor unit, Indoor Unit Oil trap is necessary. Indoor Unit Notes L1 ~ L4 (m)
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MULTI Installation of Outdoor Units 5. Electrical Wiring ■ General Instruction Outdoor Unit Outdoor Unit Indoor Indoor Indoor Indoor Unit Unit Unit Unit Remote Remote control control Remote Remote control control Outdoor Unit Indoor door Indoor Unit Unit Unit Outdoor Unit Indoor Indoor Unit...
Page 165
MULTI Installation of Outdoor Units 5. Electrical Wiring a reversed phase protection circuit locally. Running the product in reversed phase may break the compressor and other parts. • Install the communication line away from the power source wiring so that it is not affected by electric noise from the power source.
Page 166
MULTI Installation of Outdoor Units 5. Electrical Wiring – The figures are based on assumed length of parallel cabling up to 100m. For length in excess of 100m the figures will have to be recalculated in direct proportion to the additional length of line involved. –...
Page 167
MULTI Installation of Outdoor Units 6. Field Wiring ■ Wiring of Main Power Supply • Bear in mind ambient conditions (ambient temperature,direct sunlight, rain liquid,etc.) when proceeding with the wiring and connections • The wire size is the minimum value for metal conduit wiring. The power cord size should be 1 rank thicker taking into account the line voltage drops.
Page 168
MULTI Installation of Outdoor Units 7. Special guide for installation at the Seaside ■ CAUTION • Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced. • Do not install the product where it could be exposed to sea wind (salty wind) directly. It can result corrosion on the product.