Multi F Engineering Manual

MULTI F OUTDOOR UNIT | 15
Multi F Outdoor Unit Data
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MULTI
F
MAX
MULTI
F
MULTI F OUTDOOR UNIT
General Data
Model Number
LMU183HV LMU243HV LMU303HV LMU363HV
Cooling Capacity (Btu/h)
1
(Min.~Rated~ Max.)
8,400~18,000~21,600 8,400~24,000~25,000 8,400~30,000~36,000 8,400~32,800~38,400
Heating Capacity (Btu/h)
1
(Min.~Rated~ Max.)
10,080~22,000~25,000 10,080~24,600~29,000 10,080~32,000~38,400 10,080~36,000~41,600
Continuous Operating Range
Cooling (°F DB)
7
14 to 118 14 to 118 14 to 118 14 to 118
Heating (°F WB)
-4 to +64 -4 to +64 -4 to +64 -4 to +64
Operative Operating Range
8
Cooling (°F DB)
7
14 to 122 14 to 122 14 to 122 14 to 122
Heating (°F WB)
-9 to +64 -9 to +64 -9 to +64 -9 to +64
Compressor
Inverter Quantity
Twin Rotary x 1 Twin Rotary x 1 Twin Rotary x 1 Twin Rotary x 1
Oil/Type
FVC68D FVC68D FVC68D FVC68D
Fan (Side Discharge)
Type
Propeller Propeller Propeller Propeller
Motor Output (W) x Qty.
85.4 x 1 85.4 x 1 124.2 x 1 124.2 x 1
Motor / Drive
Brushless Digitally Controlled / Direct
Maximum Air Volume (CFM)
1,766 1,766 2,119 2,119
Unit Data
Refrigerant Type
R410A R410A R410A R410A
Refrigerant Control/Location
EEV / Outdoor Unit EEV / Outdoor Unit EEV/Outdoor Unit EEV/Outdoor Unit
Min. ~ Max. Number Indoor Units/System
2
2~2 2~3 2~4 2~4
Min. ~ Max. Allowable Total Indoor Unit Connected
Capacity (Btu/h)
14,000~24,000 14,000~33,000 14,000~40,000 14,000~48,000
Sound Pressure (Cooling / Heating) dB(A)
3
49 / 54 50 / 54 51 / 54 51 / 54
Dimensions (W x H x D [inch])
34-1/4 x 25-19/32 x 13 37-13/32 x 32-27/32 x 13
Net / Shipping Unit Weight (lbs.)
101 / 109.8 101.4 / 110.2 138.9 / 154.3 138.9 / 154.3
Power Supply (V, Phase, Hz)
208 / 230V, 1, 60
Power Wiring / Communications Cable (No. x AWG)
4,5
4C x 14 4C x 14 4C x 14 4C x 14
Heat Exchanger
Material and Fin Coating
Copper Tube/Aluminum Fin and GoldFin™/Hydrophilic
Rows / Columns/Fins per inch x Qty.
(2 x 28 x 14) x 1 (2 x 28 x 14) x 1 (2 x 38 x 14) x 1 (2 x 38 x 14) x 1
Piping
Liquid Line Connection (in., OD) x Qty.
1/4 x 2 1/4 x 3 1/4 x 4 1/4 x 4
Vapor Line Connection (in., OD) x Qty.
3/8 x 2 3/8 x 3 3/8 x 4 3/8 x 4
Factory Charge lbs. of R410A
3.97 3.97 6.17 6.17
Piping Lengths
Maximum Total Piping (ft.)
6
164.0 230.0 246.1 246.1
Piping Length (No Additional Refrigerant [ft])
98.4 98.4 98.4 98.4
Min. / Max. Outdoor Unit to Indoor Unit Piping (ft)
9.8 / 82.0 9.8 / 82.0 9.8 / 82.0 9.8 / 82.0
Maximum Elevation between ODU and IDU (ft.)
49.2 49.2 49.2 49.2
Maximum Elevation between IDU and IDU (ft.)
24.6 24.6 24.6 24.6
Table 7: 0XOWL ) 2XWGRRU 8QLW 6SHFL¿FDWLRQV
1
Capacity is rated with non-ducted indoor units, 0 ft. above sea level, with a 0 ft. level difference
between outdoor and indoor units, and the following refrigerant pipe lengths:
LMU183HV: 16.4 ft. x 2 = 32.8 ft.
LMU243HV: 16.4 ft. x 3 = 49.2 ft.
LMU303HV: 16.4 ft. x 4 = 65.6 ft.
LMU363HV: 16.4 ft. x 4 = 65.6 ft.
All capacities are net with a combination ratio between 95 – 105%.
Rated cooling capacity obtained with air entering the indoor unit at 80ºF dry bulb (DB) and 67ºF wet
bulb (WB) and outdoor ambient conditions of 95ºF dry bulb (DB) and 75ºF wet bulb (WB).
Rated heating capacity obtained with air entering the indoor unit at 70ºF dry bulb (DB) and 60ºF wet
bulb (WB) and outdoor ambient conditions of 47ºF dry bulb (DB) and 43ºF wet bulb (WB).
2
At least two indoor units must be connected. For allocated capacity information, see the combination
tables in the "Multi F / Multi F MAX Combination Data Manual" on www.lghvac.com. For performance
data, see "Multi F / Multi F MAX Performance Data Manual" on www.lghvac.com.
3
Sound pressure levels are tested in an anechoic chamber under ISO Standard 3745 and are the same
in both cooling and heating mode. These values can increase due to ambient conditions during operation.
4
Power wiring to the outdoor unit is field supplied, solid or stranded, and must comply with the ap-
plicable local and national codes. For detailed information, please refer to electrical characteristics on
page 17.
5
All power wiring / communication cable to be minimum 14 AWG, 4-conductor from the outdoor unit to
the indoor units, stranded, shielded or unshielded (if shielded, it must be grounded to the chassis of
the outdoor unit only), and must comply with applicable local and national codes. For detailed electrical
information, please refer to electric characteristics on page 17.
6
Piping lengths are equivalent.
7
Cooling operation range with Low Ambient Wind Baffle Kit (sold separately) is -4°F to +118°F.
8
Operation outside of Continuous Operating Range is subject to safety interruption.