Specifications

17 18
RAC Multi-System Indoor Units RAC Multi-System Outoor Units
S/E Series
RAC Multi System
RAC Multi System
Micro-
processor
Control
Wireless
Control
Wired
Control
Self
Diagnose
Dry
5 Fan
speeds
Air Sweep Louver
Auto-
change
over
Night
setback
Hot Start 24hr timer
Weekly
Timer
System
Controller
Filter sign
Auto
Restart
Fresh
Air intake
Branch
Extension
Drain
Pump
Low
Ambient
Operation
Elect.Valve
ODP=0
Refrigerant
Quiet
Anti-
microbial
Filt.
Blue Fin
ECONAVI
Room Freeze
Protection
1hr
off timer
The multi-system type allows a single outdoor unit to be connected to
2 indoor units. It also solves the problem of limited installation space and does not clutter
the exterior of your home.
Indoor Unit: Wall Mounted Type
CU-2S18NBU-1 & CU-2E18NBU-Cooling
CU-2E18NBU-Heating
Cooling Only
Model No.
CS-S9NKUW-1 CS-S12NKUW-1
Power Source 230V / 208V, 1PH, 60Hz
Running Ampere A 4.1 / 4.5 4.7 / 5.2
Power Input W 850 1,000
Capacity Cooling Btu/h 9,600 10,900
Moisture Removal High Pints/H 1.1 1.3
Unit Dimensions (HxWxD) inch 11-7/16” x 34-9/32” x 8-1/16”
Net Weight Lbs. 9.0 9.0
Air Circulation (High) Cooling CFM 400 425
Operating Sound (H/L) Cooling dB-A 40 / 25 / 20 43 / 23 / 20
Heating dB-A --- ---
Refrigerant Tube Diameter Discharge inch 1/4” 1/4”
Suction inch 3/8” 1/2”
Adapters required N / A CZ-MA1P-Indoor unit
Elevation Difference * Outdoor Above Ft. Max. 49 Max. 49
Outdoor Below Ft. Max. 49 Max. 49
Heat Pump
Model No.
CS-ME7QKUA CS-E9NKUAW CS-E12NKUAW
Power Source 230V / 208V, 1PH, 60Hz
Running Ampere 2.5 / 2.8 3.1 / 3.5 4.7 / 5.2
Power Input W 500 (340-810) 740(300-1,230) 650(250-850) 1,150(200-1,500) 1,000(250-1,150) 1,300(200-1,710)
Capacity Cooling Btu/h 6,900(6100-9,900) 8,500(4,100-10,200) 12,000(4,100-13,300)
Heating Btu/h 10,900(4,100-14,000) 11,200(4,100-14,100) 13,800(4,100-16,300)
Moisture Removal High Pints/H 0.8 1.1 1.2
Unit Dimensions (HxWxD) inch 11-7/16” x 34-9/32” x 8-1/16”
Net Weight Lbs. 9.0 9.0 9.0
Air Circulation (High) Cooling CFM 390 395 425
Heating CFM 425 430 475
Operating Sound Cooling dB-A 39/25 40 / 25 / 20 43 / 28 / 20
Heating dB-A 41/29 42 / 29 / 26 44 / 35 / 32
Refrigerant Tube Diameter Discharge inch 1/4” 1/4” 1/4”
Suction inch 1/8” 3/8” 1/2”
Adapters required N / A N / A CZ-MA1P-Indoor unit
Elevation Difference * Outdoor Above Ft. Max. 49 Max. 49 Max. 49
Outdoor Below Ft. Max. 49 Max. 49 Max. 49
*For CS-S12NKUW-1/CS-E12NKUAW, the pipe size reducer CZ-MA1P must be used when connecting with multi-zone outdoor unit.
Model No.
CU-2S18NBU-1 CU-2E18NBU
Performance Cooling Cooling Heating
Capacity Btu/h 16,700 16,700 20,200
Air Circulation High CFM 1,313 1,313
Number of Connectable Indoor Units 2 2
SEER Cooling 18.0 18.0
EER Cooling 11.5 11.5
HSPF Heating --- 8.8
Electrical Rating
Power Supply V, Phase, Hz 230V / 208V, 1PH, 60Hz 230V / 208V, 1PH, 61Hz
Running Ampere A 6.9 / 7.6 6.9 / 7.6 8.1 / 9.0
Power Input W 1,450 1,450 1,850
Maximum Fuse Size Amps 25 25
Features
Controls Microprocessor Microprocessor
Fan Speeds Auto Auto
Compressor DC Inverter DC Inverter
Refrigerant / Amount Charged at Shipment R-410A / 67.8 Oz R-410A / 67.80 Oz
Refrigerant Control Electric Expansion Valve Electric Expansion Valve
Operation Sound Hi dB-A 48 48 49
Refrigerant Tubing Connections Type Flare Flare
Max. Allowable Tubing Length Ft. Max.164 (82’per unit) Max.164 (82’per unit)
Refrigerant Tube Diameter Discharge inch 1/4” 1/4”
Suction inch 3/8” 3/8”
Dimensions & Weight
Unit Dimensions H x W x D inch 31-5/16” x 34-15/32”(+3-3/4) x 12-5/8” 31-5/16” x 34-15/32”(+3-3/4) x 12-5/8”
Net Weight Lbs. 152 152
CU-2S18NBU-1 / CU-2E18NBU
CS-S9NKUW-1 / CS-S12NKUW-1
CS-E9NKUAW / CS-E12NKUAW
CS-ME7QKUA
Wireless
Remote Controller
“Included” with
each indoor
For Rooms
2
Cooling Capacity(BTU/h) Input Power (W)
Current, 208V (A) Current, 230V (A)
Moisture Removal Volume
pt/h
Indoor unit combinations Room A Room B Total min ~ max Rating min ~ max
1 Room
CS-ME7QKUA
6,900 --- 6,900 6,100 ~ 9,900 500 340 ~ 810 2.8 2.5 0.8
CS-S9NKUW-1 / CS-E9NKUAW
9,600 --- 9,600 6,200 ~ 11,200 850 390 ~ 1,020 4.5 4.1 1.1
CS-S12NKUW-1* / CS-E12NKUAW*
10,900 --- 10,900 6,300 ~ 12,800 1,000 390 ~ 1,230 5.2 4.7 1.3
2 Room
CS-ME7QKUA + CS-MECS-ME7QKUA
6,900 6,900 13,800 6,600 ~ 16,200 1,050 390 ~ 1,400 5.5 5.0 0.8 + 0.8
CS-ME7QKUA + CS-S9NKUW-1
6,900 9,600 16,500 7,000 ~ 19,600 1,500 390 ~ 1,970 7.8 7.1 0.8 + 1.1
CS-ME7QKUA + CS-S12NKUW-1
6,500 10,200 16,700 7,100 ~ 20,000 1,500 390 ~ 1,970 7.8 7.1 0.8 + 1.3
CS-S9NKUW-1 / CS-E9NKUAW +
CS-S9NKUW-1 / CS-E9NKUAW
8,350 8,350 16,700 7,100 ~ 20,000 1,450 390 ~ 1920 7.6 6.9 1.1 + 1.1
CS-S9NKUW-1 / CS-E9NKUAW +
CS-S12NKUW-1* + CS-E12NKUAW*
7,800 8,900 16,700 7,200 ~ 20,000 1,450 390 ~ 1,870 7.6 6.9 1.1 + 1.3
CS-S12NKUW-1* / CS-E12NKUAW* +
CS-S12NKUW-1* / CS-E12NKUAW*
8,350 8,350 16,700 7,200 ~ 20,000 1,450 390 ~ 1,840 7.6 6.9 1.3 + 1.3
Heating Capacity(BTU/h) Input Power (W)
Current, 208V (A) Current, 230V (A)
Moisture Removal Volume
pt/h
Indoor unit combinations Room A Room B Total min ~ max Rating min ~ max
1 Room
CS-ME7QKUA
10,900 --- 10,900 4,100 ~ 14,000 740 300 ~ 1,230 4.1 3.7 ---
CS-E9NKUAW
13,700 --- 13,700 6,400 ~ 15,700 1,150 440 ~ 1,450 5.9 5.4 ---
CS-E12NKUAW
15,300 --- 15,300 6,500 ~ 17,500 1,300 440 ~ 1,630 6.6 6.0 ---
2 Room
CS-ME7QKUA + CS-ME7QKUA
10,100 10,100 20,200 7,100 ~ 23,200 1,850 420 ~ 2,240 9.0 8.1 ---
CS-ME7QKUA + CS-E9QKUA
8,400 11,800 20,200 7,000 ~ 23,800 1,850 420 ~ 2,290 9.0 8.1 ---
CS-ME7QKUA + CS-E12QKUA
7,700 12,500 20,200 7,100 ~ 24,200 1,850 420 ~ 2,310 9.0 8.1 ---
CS-E9NKUAW + CS-E9NKUAW
10,100 10,100 20,200 7,100 ~ 24,600 1,850 420 ~ 2,310 9.0 8.1 ---
CS-E9NKUAW + CS-E12NKUAW*
9,400 10,800 20,200 7,200 ~ 24,600 1,850 420 ~ 2,290 9.0 8.1 ---
CS-E12NKUAW* + CS-E12NKUAW*
10,100 10,100 20,200 7,200 ~ 24,600 1,850 420 ~ 2,290 9.0 8.1 ---
* This is maximum elevation difference when the indoor unit is located above the outdoor unit. (Refer to the table on the P.34 in the catalog for more detail.)
Wired
Remote Controller
(CZ-RD516C-1)
(Optional)