Panasonic CU-3KE19NBU, CU-4KE31NBU, CU-4KE24NBU service manual Installation Site Selection

2. Installation Site Selection

Indoor unit

2-1. Indoor Unit

WARNING

AVOID:

To prevent abnormal heat generation and the possibility of fire, do not place obstacles, enclosures and grilles in front of or surrounding the air conditioner in a way that may block air flow.

Drain hose

Outside drainage

direct sunlight.

nearby heat sources that may affect performance of the unit.

areas where leakage of flammable gas may be expected.

placing or allowing any obstructions near the air conditioner inlet or outlet.

installing in rooms that contain instant-on (rapid-start) fluorescent lamps. (These may prevent the air conditioner from receiving signals.)

places where large amounts of oil mist exist.

installing in locations where there are devices that generate high-frequency emissions.

Fig. 1

For wall-mounted units

	6" (15 cm)	2" (5 cm)
2" (5 cm)	min.
		min.
min.

Front View

Fig. 2a

DO:

select an appropriate position from which every corner of the room can be uniformly air-conditioned. (High on a wall is best for wall-mounted types.)

select a location that will hold the weight of the unit.

select a location where tubing and drain hose have the shortest run to the outside. (Fig. 1)

allow room for operation and maintenance as well as unrestricted air flow around the unit. (Fig. 2a or 2b)

install the unit within the maximum elevation difference (H1, H2, H3, H4) above or below the outdoor unit and within a total tubing length (L1+L2+L3, L1+L2+L3+L4) from the outdoor unit as detailed in Table 3 and Fig. 3a.

For ceiling-mounted cassette units

3.3 ft.	3.3 ft.
(1m)	(1m)

3.3 ft.

3.3 ft.3.3 ft. (1m)

(1m)

(1m)

Fig. 2b

CAUTION

		INDOOR			Tubing length (L1)
		UNIT (1)
								INDOOR
								UNIT (2)
	Elevation						L2
					OUTDOOR
	difference			(H1)					H2
					UNIT
							L3
H4			INDOOR			L4		INDOOR	H3
			UNIT (4)					UNIT (3)

‡$LUGHOLYHU\IURPDFHLOLQJ mounted cassette unit will be degraded if the distance from the floor to the ceiling is greater than 10 ft. (3 m).

‡)RUVWDEOHRSHUDWLRQRIWKH air conditioner, do not install wall-mounted units less than 5' (1.5 m) from floor level. (Fig. 3b)

Indoor unit

Minimum height from floor level

5' (1.5 m)

Wall

Floor level

Fig. 3a Fig. 3b

5