Panasonic CU-4KS31NBU service manual

Outdoor Unit		CU-4KS31NBU
Indoor Unit		CS-MKS7NKU × 3 + CS-MKS9NKU
Duct Less Type Rated							< 230V >
Type						4-Room Multi Outdoor Unit
Number of Connectable Indoor Units							4
Number of Operatable Indoor Units							4
Voltage Rating						230V Single-Phase 60Hz
Performance							Cooling
	Total Capacity				BTU/h	29,000	( 9,800 to 29,000 )
					kW	8.50	( 2.90 to 8.50 )
	Sensible Capacity				BTU/h		24,400
	Latent Capacity				BTU/h		4,600
	Air Circulation		(High)		ft3/min (m3/h)		1,942 (3,300)
	Available Voltage Range				V		187 to 253
Rating	Running Amperes				A		11.4
	Power Input				W		2,600
Electrical	Power Factor				%		99
	Compressor Locked Rotor Amperes				A		17.0
	EER				BTU/h/W		11.2
	SEER				BTU/Wh		17.6
	Fuse or Circuit Breaker Capacity				A		20
							Outdoor Unit
	Control					Microprocessor
	Fan Speeds					Auto (Hi, Me, Lo)
Features	Compressor					DC Twin Rotary (Inverter)
	Refrigerant / Amount charged at shipment				Ibs (g)	R410A / 8.38 (3,800)
	Refrigerant Control					Electric Expansion Valve
	Operation Sound (High) Cool				dB-A		53
	Refrigerant Tubing Connections						Flare Type
	Max. allowable tubing length per unit				ft (m)		100 (30.5)
	Refrigerant			Narrow tube	inch (mm)		1/4 (6.35) × 4
	Tube Diameter			Wide tube	inch (mm)	3/8 (9.52) × 2 + 1/2 (12.7) × 2
Weight							Outdoor Unit
	Unit Dimensions				inch	35-1/32 × 35-7/16 × 12-19/32
&	Height × Width × Depth				(mm)	(890 × 900 × 320)
	Package Dimensions				inch	40-1/8 × 41-11/32 × 16-21/32
Dimensions
	Shipping Volume				cu.ft (m3)		15.88 (0.45)
	Height × Width × Depth				(mm)	(1,019 × 1,050 × 423)
	Weight			Net	Ibs (kg)		174.2 (79.0)
				Shipping	Ibs (kg)		183.0 (83.0)

DATA SUBJECT TO CHANGE WITHOUT NOTICE.

Remarks:

1.The values shown in performance section and electrical rating section above are based on the following unit combination. For other combination unit, please refer to the "Unit Combination Tables" in this manual.

Indoor Unit : CS-MKE7NKU 3units / CS-MKE9NKU 1units	Outdoor Unit : CU-4KS31NBU 1unit
The combination indoor unit is AHRI 210/240.

2.Rating conditions are: Cooling : Indoor air temp. 80 °F DB / 67 °F WB Outdoor air temp. 95 °F DB / 75 °F WB

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