Multi F Outdoor Condenser Installation Manual

MULTI
F
MAX
MULTI
F
13
Product Data
Due to our policy of continuous product innovation, some specifications may change without notification.
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GENERAL DATA
Table 3: Multi F MAX Outdoor Unit General Data.
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:
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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 one Branch Distribution Unit is required for system operation; a maximum of two can
be installed per outdoor unit with use of Y-branch accessory (PMBL5620). 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.
These values can increase due to ambient conditions during operation.
4
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the applicable local and national codes. For detailed information, please refer to electrical
characteristics on page 14.
5
Power wiring / communication cable to be minimum 14 AWG, 4-conductor from the
outdoor unit to the BD unit (Multi F MAX systems only), and 14 AWG, 4-conductor from
the BD unit to the indoor unit, 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 characteris-
tics on page 14.
6
Piping lengths are equivalent.
7
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Model Number LMU481HV LMU541HV LMU601HV
Capacity
Cooling (Btu/h) (Minimum ~ Rated ~ Maximum)
1
10,800~48,000~58,000 10,800~50,500~63,200 10,800~60,000~65,000
Cooling Power Input (kW) (Min.~Rated~ Max.) 0.66~3.75~5.20 0.66~4.01~5.71 0.64~5.31~5.81
Cooling Running Current (A) (Min.~Rated~ Max.) 3.0~17.0~23.6 3.0~18.2~25.9 2.9~24.0~26.3
Heating (Btu/h)
(Minimum ~ Rated ~ Maximum)
1
12,420~54,000~59,000 12,420~58,000~64,000 12,420~64,000~68,000
Heating Power Input (kW) (Min.~Rated~ Max.) 0.75~4.52~5.28 0.75~5.07~5.83 0.71~5.44~5.87
Heating Running Current (A) (Min.~Rated~ Max.) 3.4~20.5~23.9 3.4~23.0~26.4 3.2~24.6~26.6
Operating Range
Cooling (°F DB) 14
7
to 118
Heating (°F WB) WR
Compressor
Inverter Quantity Scroll x 1
Oil/Type FVC68D
Fan (Side Discharge)
Type Propeller
Motor Output (W) x Qty. 124.2 x 2
Motor / Drive Brushless Digitally Controlled / Direct
Maximum Air Volume (CFM) 1,942 x 2 2,119 x 2
Unit Data
Refrigerant Type R410A
Refrigerant Control / Location Electronic Expansion Valve / Outdoor Unit
Min. ~ Max. Number Indoor Units/System
2
2 ~ 8 2 ~ 8 2 ~8
Max. Number of Branch Distribution Units 2
Min. ~ Max. Allowable Total Indoor Unit Connected Capacity (Btu/h) 18,000 ~ 65,000 18,000 ~ 73,000 18,000 ~ 81,000
Sound Pressure ±3 dB(A) (Cooling / Heating)
3
53 / 55 56 / 58
Dimensions (W x H x D [inch]) 37-13/32 x 54-11/32 x 13
Net / Shipping Unit Weight (lbs.) 192 / 216 218 / 243
Power Supply (V, Phase, Hz) 208 / 230V, 1, 60
Comm. / Conn. (Power) Cable from ODU & BDU/BDU & IDU (No. X AWG)
4,5
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 32 x 14) x 2 (3 x 32 x 14) x 2
Piping
Liquid Line Connection (in., OD) x Qty. Ø3/8 x 1
Vapor Line Connection (in., OD) x Qty. Ø3/4 x 1
Factory Charge oz. of R410A 148.2 183.4
Additional Charging Volume (oz. / ft.)
Main Pipe 0.54
Branch Pipe 0.22
Piping Lengths
Maximum Total System Piping (ft.)
6
475.7
Piping Length (No Additional Refrigerant [ft.] Main+Branch)   
Maximum Main Pipe Length (ODU to BDU [ft.]) 180.4
Total Branch Piping (BDU to all IDUs [ft.]) 295.3
Maximum Branch Pipe Length (Length between each BDU and IDU [ft.]) 49.2
Maximum Outdoor Unit to Indoor Unit Pipe Length (ft.) 229.6
Maximum Elevation between ODU and IDU (ft.) 98.4
Maximum Elevation between IDU and IDU (ft.) 49.2
Maximum Elevation between BDU and IDU (ft.) 32.8
Maximum Elevation between BDU and BDU (ft.) 49.2