Panasonic CU-2E18NBU service manual šMulti split combination possibility, Outdoor Unit

	Item		Unit		OUTDOOR UNIT
Air Volume	High		m3/min (ft3/min)		37.2 (1313)
Refrigerant Control Device					Expansion Valve
Refrigerant Oil					FV50S
Refrigerant (R410A)			g (oz)		1.92k (67.8)
				Dry Bulb		Wet Bulb
	Cooling	Maximum	°C (°F)	32 (89.6)		23 (73.4)
Indoor Operation Range		Minimum	°C (°F)	16 (60.8)		11 (51.8)
	Heating	Maximum	°C (°F)	30 (86.0)		—
		Minimum	°C (°F)	16 (60.8)		—
	Cooling	Maximum	°C (°F)	43 (109.4)		26 (78.8)
Outdoor Operation Range		Minimum	°C (°F)	16 (60.8)		11 (51.8)
	Heating	Maximum	°C (°F)	24 (75.2)		18 (64.4)
		Minimum	°C (°F)	-15 (5.0)		-16 (3.2)

Note

šSpecifications are subject to change without notice for further improvement.

šMulti split combination possibility:

oA single outdoor unit enables air conditioning of up to two separate rooms for CU-2E18NBU.

Wall	2.8 kW
	3.2 kW

Capacity range of connectable indoor units

Length	1 room maximum pipe length (m (ft))
	Allowable elevation (m (ft))
Piping	Total allowable pipe length (m (ft))
	Total pipe length for maximum chargeless length (m (ft))
	Additional gas amount over chargeless length (g/m (oz/ft))

	Outdoor Unit
	CU-2E18NBU
	A	B
CS-E9NKUAW	•	•
CS-E12NKUAW	•	•

From 5.6 kW to 6.4 kW

25 (82.0)

15 (49.2)

50 (164.0)

20 (65.6)

20 (0.2)

Note: “•” : Available

Remarks for CU-2E18NBU

1.At least two indoor units must be connected.

2.The total nominal cooling capacity of indoor untis that will be connected to outdoor unit must be within connectable capacity range of indoor unit.

(as shown in the table above)

Example: The indoor units’ combination below is possible to connect to CU-2E18NBU. (Total nominal capacity of indoor units is between

5.6 kW to 6.4 kW)

1)Two CS-E9NKUAW only. (Total nominal cooling capacity is 5.6 kW)

2)One CS-E9NKUAW and one CS-E12NKUAW. (Total nominal cooling capacity is 6.0 kW)

šSpecifications are subject to change without notice for further improvement.

6