LG ARNU48GBRZ4 User manual

Fresh Air Intake Unit
MULTI V
Indoor Unit
1.List of functions
2.Specifications
3.Dimensions & Gravity Point
4.Piping Diagrams
5.Wiring Diagrams
6.Capacity Tables and Air Flow
7.External Static Pressrue(E.S.P) & Air Flow
8.Electric Characteristics
9.Sound Levels
10.Installation

2
MULTI V Indoor Unit Fresh Air Intake Unit
1. List of functions
Category Function ARNU48GBRZ4,ARNU76GB8Z4, ARNU96GB8Z4
Air flow
Air supply outlet 1
Airflow direction control(left & right) -
Airflow direction control(up & down) -
Auto swing(left & right) -
Auto swing(up & down) -
Airflow steps(fan/cool/heat) 2/2/2
Chaos swing -
Chaos wind(auto wind) -
Jet cool(Power wind) -
Swirl wind -
Air purifying
Deodorizing filter X
Plasma air purifier X
Prefilter(washable / anti-fungus) O
Installation
Drain pump O
E.S.P. control* O
Electric heater(operation) X
High ceiling operation* -
Reliability
Hot start O
Self diagnosis O
Soft dry operation O
Convenience
Auto changeover -
Auto cleaning X
Auto operation(artificial intelligence) O(only heat pump or cooling only)
Auto restart operation O
Child lock* O
Forced operation -
Group control* O
Sleep mode X
Timer(on/off) O
Timer(weekly)* O
Two thermistor control* X
External On/Off O
Individual control
Wide wired remote controller (RS2) PQRCVSL0/PQRCVSL0QW
Wide wired remote controller (RS2 Plus) PREMTB001/PREMTBB01
Premium wired remote controller PREMTA000/PREMTA000A/PREMTA000B
Simple wired remote controller PQRCVCL0Q(W)
Wired remote controller(for hotel use) PQRCHCA0Q(W)
Wireless LCD remote control* PQWRH(C)Q0FDB
Special function kit
Zone control -
CTIE -
Electro thermostat -
Remote temperature sensor PQRSTA0
Group control wire PZCWRCG3
Dry contact PDRYCB000/PDRYCB300/PDRYCB400/PDRYCB500
Note
1. O : Applied
X : Not Applied
Accessory model name : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package.
2. Some functions can be limited by remote controller.
3. In case of ducted type indoor units using the wireless remote controller, it needs to connect the wired remote controller for received the signal of that.
4. In case of cassette type indoor units, Plasma kit and Auto Elevation Grille functions are not applicable at the same time.
5. * : These functions need to connect the wired remote controller.

3
MULTI V Indoor Unit Fresh Air Intake Unit
2. Specifications
Note
1. Capacities are based on the following conditions :
Cooling
• Outdoor temp. 33°C[91.4°F]DB/ 28°C[82.4°F]WB
• Interconnecting Piping Length 7.5m
• Level Difference of Zero
Heating
• Outdoor temp. 0°C[32°F]DB/ -2.9°C[26.78°F]WB
• Interconnecting Piping Length 7.5m
• Level Difference of Zero
2. Capacities are Net Capacities
3. Due to our policy of innovation some specifications may be changed without prior notification .
4. To be added for more available Models
5. Indoor Unit Connection
6. EEV: Electronic Expansion Valve
7. Sounld Level is Standard Mode
(for actual High Mode(factory set) condition, Sound Level may exceed the standard level by 1.5dBA)
8. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard.
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.
Type Fresh Air Intake Unit
Model Unit ARNU48GBRZ4
Cooling Capacity
kW 14.1
kcal/h 12,100
Btu/h 48,100
Heating Capacity
kW 13.5
kcal/h 11,620
Btu/h 46,115
Power Input (H / M / L) W 169 / 126 / 126
Casing Galvanized Steel Plate
Dimensions
(WxHxD) Body mm 1,230 x 380 x 590
inch 48-7/16 x 14-31/32 x 23-7/32
Coil Rows x Columns x FPI 3 x 13 x 19
Face Area m² 0.38
Fan
Type Sirocco Fan
Motor Output x Number W 195 x 1
Running Current A 0.78
Air Flow Rate(H/M/L)
(High static Mode-factory set)
m³/min 18.8 / 14.7 / 14.7
ft³/min 664 / 519 / 519
External Static Pressure mmAq(Pa) 18
Drive Direct
Motor type BLDC
Temperature Control Microprocessor, Thermostat for cooling and heating
Sound Absorbing Thermal Insulation Material Foamed polystrene
Air Filter Long Life Filter
Safety Device Fuse
Pipe Connections
Liquid Side mm(inch) Ø9.52(3/8)
Gas Side mm(inch) Ø15.88(5/8)
Drain Pipe(Internal Dia.) mm 25
Net Weight kg(lbs) 45(99)
Sound Pressure Levels (H / M / L) dB(A) 41 / 40 / 40
Sound Power Levels (H / M / L) dB(A) 62 / 60 / 60
Power Supply Ø, V, Hz 1, 220 - 240, 50
1, 220, 60
Refrigerant Control EEV
Transmission cable mm² 1.0 ~ 1.5 x 2C
No Connection Condition Combination
1Fresh Air Intake Units only are connected
with outdoor units
1) The total capacity of Fresh Air Intake Unit should be 50~100% of outdoor unit.
2) The max quantity of Fresh Air Intake unit is 4 Units.
2Mixture connection with general Indoor unit
and Fresh Intake Unit
1) The total capacity of indoor units (standard Indoor Unit + Fresh Air Intake Unit) should be
50~100% of out-door unit.
2) The total capacity of Fresh Air Intake Unit should be less than 30% of the total capacity of
indoor units.

2. Specifications
4
MULTI V Indoor Unit Fresh Air Intake Unit
Note
1. Capacities are based on the following conditions :
Cooling
• Outdoor temp. 33°C[91.4°F]DB/ 28°C[82.4°F]WB
• Interconnecting Piping Length 7.5m
• Level Difference of Zero
Heating
• Outdoor temp. 0°C[32°F]DB/ -2.9°C[26.78°F]WB
• Interconnecting Piping Length 7.5m
• Level Difference of Zero
2. Capacities are Net Capacities
3. Due to our policy of innovation some specifications may be changed without prior notification .
4. To be added for more available Models
5. Indoor Unit Connection
6. EEV: Electronic Expansion Valve
7. Sound Level is Standard Mode
(for actual High Mode(factory set) condition, Sound Level may exceed the standard level by 1.5dBA)
8. Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard.
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.
Type Fresh Air Intake Unit
Model Unit ARNU76GB8Z4 ARNU96GB8Z4
Cooling Capacity
kW 22.4 28
kcal/h 19,300 24,100
Btu/h 76,400 95,900
Heating Capacity
kW 21.4 26.7
kcal/h 18,410 23,000
Btu/h 73,080 91,360
Power Input (H / M / L) W 230 / 200 / 200 360 / 230 / 230
Casing Galvanized Steel Plate Galvanized Steel Plate
Dimensions
(WxHxD) Body mm 1,562 x 460 x 688 1,562 x 460 x 688
inch 61-1/2 x 18-1/8 x 27-3/32 61-1/2 x 18-1/8 x 27-3/32
Coil Rows x Columns x FPI 3 x 20 x 19 3 x 20 x 19
Face Area m² 0.59 0.59
Fan
Type Sirocco Fan Sirocco Fan
Motor Output x Number W 375 x 1 375 x 1
Running Current A 1.36 2.15
Air Flow Rate(H/M/L)
(High static Mode-factory set)
m³/min 23.7 / 13.2 / 13.2 35.7 / 23.7 / 23.7
ft³/min 837 / 446 / 446 1,261 / 837 / 837
External Static Pressure mmAq(Pa) 22 22
Drive Direct Direct
Motor type BLDC BLDC
Temperature Control Microprocessor, Thermostat for cooling and heating
Sound Absorbing Thermal Insulation Material Foamed polystrene Foamed polystrene
Air Filter Long Life Filter Long Life Filter
Safety Device Fuse Fuse
Pipe Connections
Liquid Side mm(inch) Ø9.52(3/8) Ø9.52(3/8)
Gas Side mm(inch) Ø19.05(3/4) Ø22.2(7/8)
Drain Pipe(Internal Dia.) mm 25 25
Net Weight kg(lbs) 73(161) 73(161)
Sound Pressure Levels (H / M / L) dB(A) 45 / 43 / 43 47 / 45 / 45
Sound Power Levels (H / M / L) dB(A) 70 / 67 / 67 72 / 70 / 70
Power Supply Ø, V, Hz 1, 220 - 240, 50 1, 220 - 240, 50
1, 220, 60 1, 220, 60
Refrigerant Control EEV EEV
Transmission cable mm² 1.0 ~ 1.5 x 2C 1.0 ~ 1.5 x 2C
No Connection Condition Combination
1Fresh Air Intake Units only are connected
with outdoor units
1) The total capacity of Fresh Air Intake Unit should be 50~100% of outdoor unit.
2) The max quantity of Fresh Air Intake unit is 4 Units.
2Mixture connection with general Indoor unit
and Fresh Intake Unit
1) The total capacity of indoor units (standard Indoor Unit + Fresh Air Intake Unit) should be
50~100% of out-door unit.
2) The total capacity of Fresh Air Intake Unit should be less than 30% of the total capacity of
indoor units.

5
MULTI V Indoor Unit Fresh Air Intake Unit
3. Dimensions & Gravity point
ARNU48GBRZ4
Note
1. Unit should be installed in compliance with the installation manual in the product box. 2. Unit shall be grounded in accordance with the local regulations or applicable national codes.
221
123
72
26
83
101
90
135
122
144
260 190
115
1,282
477
298
56
590
118
1,006
114
1,230
50
32
1201,092
25
303
Name
1
Liquid pipe connection
Unit size(48k):ø9.52
2
Gas pipe connection
Unit size(48k):ø15.88
3
Drain pipe connection
Unit size(48k):
ø
25
4
Power supply connection
5
Air discharge
6
Air suction
Number Descripition
(unit : mm)
3
2
1
5
6
4
198
312
60
R60
590
380
140
241 279
178
294
192
1,230
Gravity point
585
177

MULTI V Indoor Unit
3. Dimensions & Gravity point
6
Fresh Air Intake Unit
ARNU76GB8Z4 / ARNU96GB8Z4
Note
1. Unit should be installed in compliance with the installation manual in the product box. 2. Unit shall be grounded in accordance with the local regulations or applicable national codes.
1,565
1,622460
688
580
64
30
1,122
1,562
329
318
292
293 118
460
225
695
161
70
120
99 140
440 20
1,400 115
Name
1
Liquid pipe connection
2
Gas pipe connection
3
Drain pipe connection
4
Power supply connection
5
Air discharge
6
Air suction
Number Descripition
(unit : mm)
Unit size(76k, 96k):ø19.05 Unit size(76k, 96k): ø22.2 Unit size(76k):ø19.05 Unit size(96k):ø22.2
3
2
1
4
5
6
64
70
60122
358
109
68
18
58
Gravity point
407
728

7
MULTI V Indoor Unit Fresh Air Intake Unit
4. Piping Diagrams
Refrigerant pipe connection port diameter
Model Gas
[mm(inch)]
Liquid
[mm(inch)]
ARNU48GBRZ4 Ø15.88(5/8) Ø9.52(3/8)
ARNU76GB8Z4 Ø19.05(6/8) Ø9.52(3/8)
ARNU96GB8Z4 Ø22.2(7/8) Ø9.52(3/8)
LOC. Description
Th1 Inlet Air Thermistor
Th2 Pipe In Thermistor
Th3 Pipe Out Thermistor
Th4 Outlet Air Thermistor
Fresh Air Intake Unit
Heat Exchanger
Filter
Filter
Th2
Sirocco Fan
Th1
EEV
Filter
S
Distributor
Check ValveSolenoid Valve
Capillary Tube
Th3
Th4
Cooling
Heating

8
MULTI V Indoor Unit Fresh Air Intake Unit
5. Wiring Diagrams
BR Chassis

5. Wiring Diagrams
9
MULTI V Indoor Unit Fresh Air Intake Unit
B8 Chassis

10
MULTI V Indoor Unit Fresh Air Intake Unit
6. Capacity tables and air flow
6.1 Capacity tables
ARNU48GBRZ4
Cooling
Heating
Note
TC: Total Capacity (kW), SHC: Sensible Heat Capacity (kW)WB: Wet Bulb, DB: Dry Bulb
1. The data shown in the table illustrates the supported operating ranges under the following conditions:
• Indoor and Outdoor Unit
• Effective piping length: 7.5 m
• Height differential: 0 m
2. The actual temperature may not match the temperature setting under some circumstances due to the outdoor-air processing load or mechanical protection controls.
3. The system will not operate in fan mode when the outdoor air temperature is -5°C or below.
4. * : Tropical region only.
Outdoor air
temperature
59එWB 63එWB 69එWB 73එWB 79එWB 82එWB 86එWB 90එWB 95එWB 100එWB
15୅WB 17୅WB 20୅WB 23୅WB 26୅WB 28୅WB 30୅WB 32୅WB 35୅WB 38୅WB
එDB ୅DB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC
70215.13.65.43.28.53.2---------- - - - -
73235.14.35.23.98.23.7---------- - - - -
77255.15.05.24.68.04.411.04.6-------- - - - -
81 27 5.0 5.0 5.1 5.1 7.3 5.1 10.9 4.8 14.0 4.5 ------ - - - -
84 29 4.9 4.9 5.0 5.0 7.0 5.8 10.5 6.5 13.7 4.8 15.5 5.0 ---- - - - -
88 31 4.9 4.9 5.0 5.0 6.7 6.5 9.5 6.0 13.3 5.5 15.1 5.3 16.3 4.6 - - - - - -
91 33 4.8 4.8 4.9 4.9 6.5 6.3 9.4 6.7 13.0 6.1 14.1 5.6 16.1 4.8 17.7 5.0 - - - -
96 35 4.8 4.8 4.9 4.9 6.4 6.4 9.2 7.4 12.7 6.8 14.0 6.2 15.9 5.5 17.5 5.2 - - - -
99 37 4.7 4.7 4.8 4.8 6.3 6.3 9.1 8.5 11.8 7.4 13.7 6.9 15.3 6.2 17.3 5.6 18.9 5.4 - -
104 40 4.7 4.7 4.8 4.8 6.2 6.2 9.0 8.8 11.4 8.5 13.4 7.0 15.0 7.2 17.1 6.7 18.7 5.7 21.7 4.6
109 43 - - 4.7 4.7 6.1 6.1 8.9 8.9 11.0 9.0 13.0 7.5 14.5 8.5 16.5 7.7 18.4 6.7 20.9* 5.5*
113 45 - - 4.1 4.1 5.7 5.7 8.4 8.4 10.2 9.5 12.2 8.2 13.9 9.2 16.0 8.2 17.1* 7.1* 19.5* 6.0*
118 48 - - - - 5.2 5.2 8.1 8.1 10.5 9.8 11.3 9.2 13.0 9.9 15.2 9.3 16.6* 6.9* 18.5* 6.9*
Outdoor air temperature 19එWB 23එWB 27එWB 32එWB 36එWB 39එWB 43එWB 50එWB 57එWB
-7୅WB -5୅WB -2.9୅WB 0୅WB 2୅WB 4୅WB 6୅WB 10୅WB 14୅WB
එDB ୅DB TC TC TC TC TC TC TC TC TC
23 -5 14.7 --------
27 -3 14.2 14.4 - - - ----
32 0 - 14.0 14.2 - - ----
37 3 - - 13.6 13.8 14.0 ----
45 7 - - - 12.3 12.5 12.7 12.6 - -
5211----10.8 11.0 11.2 11.3 -
5915-----9.59.79.910.1
6418------8.78.99.0
6820------7.88.08.1

MULTI V Indoor Unit
6. Capacity tables and air flow
11
Fresh Air Intake Unit
ARNU76GB8Z4
Cooling
Heating
Note
TC: Total Capacity (kW), SHC: Sensible Heat Capacity (kW)WB: Wet Bulb, DB: Dry Bulb
1. The data shown in the table illustrates the supported operating ranges under the following conditions:
• Indoor and Outdoor Unit
• Effective piping length: 7.5 m
• Height differential: 0 m
2. The actual temperature may not match the temperature setting under some circumstances due to the outdoor-air processing load or mechanical protection controls.
3. The system will not operate in fan mode when the outdoor air temperature is -5°C or below.
4. * : Tropical region only.
Outdoor air
temperature
59එWB 63එWB 69එWB 73එWB 79එWB 82එWB 86එWB 90එWB 95එWB 100එWB
15୅WB 17୅WB 20୅WB 23୅WB 26୅WB 28୅WB 30୅WB 32୅WB 35୅WB 38୅WB
එDB ୅DB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC
70 21 8.0 5.2 9.5 5.2 12.6 5.3 ---------- - - - -
73 23 7.9 6.1 9.0 6.1 12.4 5.7 ---------- - - - -
77 25 7.8 7.0 8.7 7.0 12.0 6.7 16.0 6.4 -------- - - - -
81 27 7.7 7.2 8.8 7.9 11.8 7.5 15.7 6.9 19.6 6.9 ------ - - - -
84 29 7.6 7.4 8.6 8.0 11.5 8.4 15.3 7.7 19.4 7.3 23.5 7.2 ---- - - - -
88 31 7.5 7.5 8.5 8.1 11.4 9.4 15.0 8.6 19.2 8.2 23.0 7.7 24.2 7.2 - - - - - -
91 33 7.5 7.5 8.4 8.3 11.1 9.7 14.7 9.5 18.9 9.1 22.4 8.5 23.8 7.6 27.0 7.5 - - - -
96 35 7.4 7.4 8.4 8.4 10.9 10.1 14.4 10.4 18.7 9.9 21.5 9.3 23.1 8.3 26.7 8.1 - - - -
99 37 7.4 7.4 8.3 8.3 10.5 10.4 14.0 11.0 18.4 10.8 20.9 10.1 22.9 9.2 26.4 8.7 31.9 8.7 - -
104 40 7.3 7.3 8.3 8.3 10.5 10.5 13.5 12.1 17.6 12.0 20.8 11.5 22.5 10.5 26.2 10.1 31.2 9.3 34.4 7.2
109 43 - - 8.1 8.1 10.4 10.4 12.9 12.8 17.0 12.9 20.1 11.9 22.4 11.5 25.2 11.0 30.0 10.3 33.5* 8.7*
113 45 - - 7.7 7.7 10.1 10.1 12.5 12.5 16.2 13.7 19.5 12.8 21.6 12.1 24.3 11.9 25.2* 9.9* 30.3* 8.9*
118 48 - - - - 9.5 9.5 12.1 12.1 15.7 14.2 18.7 13.4 20.9 12.9 23.6 12.5 21.3* 10.4* 25.3* 9.1*
Outdoor air temperature 19එWB 23එWB 27එWB 32එWB 36එWB 39එWB 43එWB 50එWB 57එWB
-7୅WB -5୅WB -2.9୅WB 0୅WB 2୅WB 4୅WB 6୅WB 10୅WB 14୅WB
එDB ୅DB TC TC TC TC TC TC TC TC TC
23 -5 23.8 --------
27 -3 22.4 22.6 - - - ----
32 0 - 21.2 21.4 - - ----
37 3 - - 17.9 18.1 18.2 ----
45 7 - - - 16.1 16.3 16.5 16.7 - -
5211----14.3 14.5 14.7 14.9 -
5915-----12.6 12.8 13.0 13.2
6418------11.411.611.8
6820------10.7 10.9 11.1

6. Capacity tables and air flow
12
MULTI V Indoor Unit Fresh Air Intake Unit
ARNU96GB8Z4
Cooling
Heating
Note
TC: Total Capacity (kW), SHC: Sensible Heat Capacity (kW)WB: Wet Bulb, DB: Dry Bulb
1. The data shown in the table illustrates the supported operating ranges under the following conditions:
• Indoor and Outdoor Unit
• Effective piping length: 7.5 m
• Height differential: 0 m
2. The actual temperature may not match the temperature setting under some circumstances due to the outdoor-air processing load or mechanical protection controls.
3. The system will not operate in fan mode when the outdoor air temperature is -5°C or below.
4. * : Tropical region only.
Outdoor air
temperature
59එWB 63එWB 69එWB 73එWB 79එWB 82එWB 86එWB 90එWB 95එWB 100එWB
15୅WB 17୅WB 20୅WB 23୅WB 26୅WB 28୅WB 30୅WB 32୅WB 35୅WB 38୅WB
එDB ୅DB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC
70 21 10.2 6.9 13.2 6.9 17.1 7.2 ---------- - - - -
73 23 10.0 8.3 12.8 8.0 16.7 7.8 ---------- - - - -
77 25 9.8 9.0 12.1 9.0 16.1 9.2 22.3 9.0 -------- - - - -
81 27 9.7 9.2 11.4 10.3 15.6 10.5 21.5 9.5 27.4 9.7 ------ - - - -
84 29 9.5 9.3 11.2 10.6 15.2 11.8 20.9 10.8 26.9 10.1 30.2 9.3 ---- - - - -
88 31 9.4 9.4 11.1 10.7 15.2 13.3 20.4 12.1 26.6 11.5 29.8 10.0 33.8 10.1 - - - - - -
91 33 9.4 9.4 11.0 10.8 14.8 13.7 20.0 13.5 26.1 12.8 28.0 10.6 33.2 10.6 38.0 11.2 - - - -
96 35 9.3 9.3 11.0 11.0 14.6 14.1 19.5 14.8 25.8 14.1 27.6 11.9 32.1 11.7 37.6 11.7 - - - -
99 37 9.3 9.3 10.9 10.9 14.5 14.3 19.0 15.7 25.4 15.4 26.6 13.1 31.8 13.0 37.0 12.2 44.2 12.9 - -
104 40 9.2 9.2 10.9 10.9 14.4 14.4 18.7 17.2 24.2 16.8 25.8 15.2 31.2 15.0 36.6 14.3 43.9 13.2 52.3 12.4
109 43 - - 10.8 10.8 14.3 14.3 18.5 18.0 23.8 17.4 25.0 16.4 29.7 16.0 34.4 15.6 42.4 14.7 50.5* 13.1*
113 45 - - 10.3 10.3 13.9 13.9 18.0 18.0 22.9 18.2 24.2 17.2 28.8 16.7 33.4 16.2 37.9* 14.9* 45.6* 13.4*
118 48 - - - - 13.4 13.4 17.2 17.2 22.0 19.0 23.4 18.0 27.9 17.8 32.7 17.2 32.3* 15.6* 38.0* 13.7*
Outdoor air temperature 19එWB 23එWB 27එWB 32එWB 36එWB 39එWB 43එWB 50එWB 57එWB
-7୅WB -5୅WB -2.9୅WB 0୅WB 2୅WB 4୅WB 6୅WB 10୅WB 14୅WB
එDB ୅DB TC TC TC TC TC TC TC TC TC
23 -5 28.6 --------
27 -3 28.2 28.4 - - - ----
32 0 - 26.5 26.7 - - ----
37 3 - - 25.8 26.0 27.7 ----
45 7 - - - 25.1 25.3 25.0 24.4 - -
5211----21.7 21.9 22.1 22.5 -
5915-----19.4 19.6 19.8 19.6
6418------17.4 17.6 17.9
6820------16.0 16.2 16.4

MULTI V Indoor Unit
6. Capacity tables and air flow
13
Fresh Air Intake Unit
6.2 Air Flow
ARNU48GBRZ4
ARNU76GB8Z4, ARNU96GB8Z4
Note
Setting Value : ESP value
1. The above table shows the correlation between the air rates and E.S.P.
2. The above table shows the available E.S.P. range.
3. If the E.S.P. of the installed indoor is less than the lowest value(as mention in the table), indoor components can be failed.
Setting
Value
ESP (mmAq)
5 6 8 10 12 14 15 16 17 18 20
70 15.8 - - - -------
75 18.7 16.0 - - -------
80 22.2 19.9 13.6 - -------
85 24.2 23.4 17.8 - -------
87 25.2 24.1 19.6 - -------
90 26.8 25.5 21.9 15.9 -------
92 28.1 27.0 22.8 18.2 10.6 ------
94 29.0 27.0 24.0 19.8 13.8 ------
96 30.3 28.5 25.0 22.5 15.8 ------
98 - 29.8 26.5 22.8 17.4 10.7 - - - - -
101 - 31.8 28.0 24.2 20.5 16.0 - - - - -
103 - 32.7 29.2 25.9 22.0 16.5 11.8 - - - -
106 - - 30.9 28.2 24.6 19.9 15.2 11.9 - - -
111 - - - 30.8 28.3 24.2 20.7 17.7 15.8 14.7 -
116----30.7 27.6 25.2 24.2 22.4 18.8 13.4
121-----30.4 29.7 27.2 26.3 25.6 18.7
126-------28.6 27.6 27.4 25.9
130----------26.5
135-----------
140-----------
Setting
Value
ESP (mmAq)
6 9 12 15 18 20 22 23 25
55 25.39 - -------
60 33.65 - -------
65 40.01 30.29 -------
70 46.43 35.81 17.31 - - - - - -
75 50.93 45.35 35.57 - - - - - -
80 55.77 51.91 42.86 26.57 - - - - -
85 - 54.22 49.74 42.67 20.90 - - - -
88 - - 52.72 46.44 33.72 - - - -
90 - - 52.54 48.82 40.09 23.07 - - -
92 - - - 50.91 44.30 23.46 - - -
94 - - - 50.90 46.73 39.65 13.87 - -
96 - - - - 49.84 44.04 24.17 23.63 -
98 - - - - 49.66 48.09 39.72 25.28 14.49
100 - - - - - 48.23 42.56 40.34 15.47
102------46.41 45.92 38.60
105-------46.51 45.44

14
MULTI V Indoor Unit Fresh Air Intake Unit
7. External Static Pressure(E.S.P) & Air Flow
ARNU48GBRZ4
ARNU76GB8Z4, ARNU96GB8Z4
Note
The above table shows the available E.S.P. range.
Capacity
(Btu/h) Mode Set value Standard ESP
(mmAq(Pa)) CMM
Lower Limit of External
Static
Pressure(mmAq(Pa))
Upper Limit of External
Static
Pressure(mmAq(Pa))
48k High
(factory set)
High 116 18 18.8 10(98) 20(196)
Mid 110 14.7
Capacity
(Btu/h) Mode Set value Standard ESP
(mmAq(Pa)) CMM
Lower Limit of External
Static
Pressure(mmAq(Pa))
Upper Limit of External
Static
Pressure(mmAq(Pa))
76k High
(factory set)
High 95 22 23.7 12(118) 25(245)
Mid 93 13.2
96k High
(factory set)
High 97 22 35.7 12(118) 25(245)
Mid 95 23.7

15
MULTI V Indoor Unit Fresh Air Intake Unit
8. Electric Characteristics
Symbols
MCA : Minimum Circuit Amperes (A)
MFA : Maximum Fuse Amperes (A)
kW : Fan Motor Rated Output (kW)
FLA : Full Load Amperes (A)
IFM : Indoor Fan Motor
PI : Maximum Power Input (W)
Note
1. Voltage range
Units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above
the listed range limits.
2. Maximum allowable voltage unbalance between phases is 2%.
3. MCA/MFA
MCA=1.25 x FLA
MFA˺4 x FLA
(Next lower standard fuse rating. Minimum 15A)
4. Select wire size based on the MCA
5. Instead of fuse, use Circuit Breaker.
Units PowerSupply IFM PI
Model Type Hz volts VoltageRange MCA MFA kW FLA Cooling Heating
ARNU48GBRZ4 BR
50 220-240 Max: 264
Min: 198
1.5 15 0.20 0.78 169 169
ARNU76GB8Z4 B8 2.7 15 0.38 1.36 230 230
ARNU96GB8Z4 B8 3.7 15 0.38 2.15 360 360
ARNU48GBRZ4 BR
60 220 Max: 242
Min: 198
1.5 15 0.20 0.78 169 169
ARNU76GB8Z4 B8 2.7 15 0.38 1.36 230 230
ARNU96GB8Z4 B8 3.7 15 0.38 2.15 360 360

16
MULTI V Indoor Unit Fresh Air Intake Unit
9. Sound Levels
9.1 Sound Pressure Levels
Overall
Note
1.Sound measured at some distance away from the center of
the unit.
2.Data is valid at free field condition.
3.Reference accoustic pressure 0dB = 20μPa.
4.Data is valid at nominal operation condition.
Refer to the Model Specifications for nominal
conditions(Power source and Ambient temperature, etc)
5.Sound levels can be increased in accordance with
installation and operating conditions. (Static pressure mode,
used air guide, Room target temperature setting, etc)
6.Sound level will vary depending on a range of factors such
as the construction(acoustic absorption coefficient) of
particular room in which the equipment in installed.
Model Sound Pressure Levels [dB(A)]
HML
ARNU48GBRZ4 41 40 40
ARNU76GB8Z4 45 43 43
ARNU96GB8Z4 47 45 45
ARNU48GBRZ4 ARNU76GB8Z4 ARNU96GB8Z4
1.5m
2m 2m
DUCT
DISCHARGE SUCTION
DUCT
* Measuring place : Anechoic chamber
Approximate
Hearing
Threshold
High
▲Mid
Low
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
10
20
30
40
50
60
70
80
63 125 250 500 1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
Approximate
Hearing
Threshold
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
10
20
30
40
50
60
70
80
63 125 250 500 1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
High
▲Mid
Low
Approximate
Hearing
Threshold
Octave Band Center Frequency (Hz)
Octave Band Sound Pressure Level (0 dB = 20 μPa)
10
20
30
40
50
60
70
80
63 125 250 500 1 000 2 000 4 000 8 000
NC-15
NC-20
NC-25
NC-30
NC-35
NC-40
NC-45
NC-50
NC-55
NC-60
NC-65
High
▲Mid
Low

9. Sound Levels
17
MULTI V Indoor Unit Fresh Air Intake Unit
9.2 Sound Power Levels
Note
• Data is valid at diffuse field condition
• Data is valid at nominal operating condition
• Sound level can be increased in static pressure mode or used air guide.
• Sound power level is measured on the rated condition in the reverberation rooms.
• Sound level will vary depending on a range of factors such as the construction (acoustic absorption coefficient)
of particular room in which the equipment in installed.
• Reference acoustic intensity 0dB = 10E-6μW/m2
Model Sound Power Levels [dB(A)]
High Fan Speed
ARNU48GBRZ4 62
ARNU76GB8Z4 70
ARNU96GB8Z4 72
ARNU48GBRZ4 ARNU76GB8Z4 ARNU96GB8Z4
Octave Band Center Frequency (Hz)
20
30
40
50
60
70
80
90
100
125 250 500 1000 2000 4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Sound Power Level (dB = 10E-6μW/m
2
)
Octave Band Center Frequency (Hz)
20
30
40
50
60
70
80
90
100
125 250 500 1000 2000 4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Sound Power Level (dB = 10E-6μW/m
2
)
Octave Band Center Frequency (Hz)
20
30
40
50
60
70
80
90
100
125 250 500 1000 2000 4000 8000
NR-30
NR-35
NR-40
NR-45
NR-50
NR-55
NR-60
NR-65
NR-70
NR-75
NR-80
NR-85
NR-90
Octave Band Sound Power Level (dB = 10E-6μW/m
2
)

18
MULTI V Indoor Unit Fresh Air Intake Unit
10. Operation Details
Operation range
FAU will operate in the below range. Hot outdoor temperature (over 43୅) or cold outdoor temperature (under -5୅) will make
customer feel uncomfortable because FAU outlet discharge temperature might be not enough controlled in that region.
* FAU : Fresh Air Intake Unit
Usage Limitations
Fan operation (thermo off)
Fan operation (thermo off)
Fan operation
Fan operation
Cooling
Cooling
Cooling
Fan operation
(thermo off) Cooling
Outdoor Air Temperature (Toa) ℃
43℃(1)19°C15°C5°C-5°C
Cooling mode
Heating mode Heating
Heating
16°C
16°C
18°C
(1)Normal model : 43°C
Tropical model : 48°C
Automatic mode Heating
Heating
Fan stop C°81C°6
(2)Normal model : 43°C
)2(℃34C°91C°5- (33.5°)15°C

19
MULTI V Indoor Unit Fresh Air Intake Unit
11. Installation
• Please read the instruction sheets completely before installing the product.
• When the power cord is damaged, replacement work shall be performed by authorized personnel only.
• Installation work must be performed in accordance with the national wiring standards.
• Teach the customer the operation and maintenance procedures, using the operation manual. (air filter cleaning,
temperature control, etc.)
Air filters
Wired Remote Controller
Air intake vents
Air outlet vents

MULTI V Indoor Unit
11. Installation
20
Fresh Air Intake Unit
11.1 Installation Limit
Read completely, then follow step by step.
1. Fresh Air Intake Unit Combination
CAUTION
Failure to comply with the above connection conditions for installation, it can cause cooling & heating
capacity down.
2. Connection of the Outdoor Unit
• It is possible to connect Heat Pump Models. It could not be connected to Heat Recovery Models.
• The total capacity of indoor units could not exceed 100% of outdoor unit.
* FAU : Fresh Air Intake Unit, Standard: Standard Indoor Unit
No Connection Condition Combination
1Only Fresh Air Intake Unit
installation
1.The total capacity of Fresh Air Intake Unit should be 50~100%
of outdoor unit.
2.The max quantity of Fresh Air Intake unit is 4 Units.
2Mixture Installation with standard
indoor units and Fresh Intake Units
1.The total capacity of indoor units (standard Indoor Unit +
Fresh Air Intake Unit) should be 50~100% of outdoor unit.
2.The total capacity of Fresh Air Intake Units should be less
than 30% the total capacity of indoor units.
Only Fresh Air
Intake Unit install
Mixture Install
Wrong Install
FAU
Outdoor : 10HP
5HP 5HP
FAU
FAU
Outdoor : 20HP
5HP 5HP 5HP 5HP
Standard Standard Standard
5HP 5HP 5HP 5HP 5HP
Outdoor : 20HP
FAU
Standard Standard Standard Standard