Panasonic R410A Way Cassette Type U1 Type Suspending the Indoor Unit, Preparation for Suspending

6. HOW TO INSTALL THE INDOOR UNIT

4-Way Cassette Type

(U1 Type)

6-1. Suspending the Indoor Unit

This unit uses a drain pump. Use a level gauge to check that the unit is level.

6-2. Preparation for Suspending

(1)	Fix the suspension bolts securely in the ceiling
	using the method shown in the diagrams (Figs. 1-12
	and 1-13), by attaching them to the ceiling support
	structure, or by any other method that ensures that
	the unit will be securely and safely suspended.
(2)	Follow Fig. 1-13 and Table 1-4 to make the holes in

1. Specifications

Hole-in-anchor
Hole-in-plug	Concrete	Insert

Suspension bolt (M10 or 3/8") (field supply)

Fig. 1-12

the ceiling.

1	Table 1-4			Unit: inch (mm)
	Type	Length	A	B
	S-26PU1U6		32-9/32	22-9/32
	(CZ-24KPU1U)		(820)	(566)
	S-36PU1U6, S-42PU1U6		43-11/16	33-11/16
	(CZ-36KPU1U)		(1,110)	(856)

(3)Determine the pitch of the suspension bolts using the supplied full-scale installation diagram. The diagram and table (Fig. 1-14 and Table 1-5) show the relationship between the positions of the suspen- sion fitting, the unit, and the panel.

32-9/32 (Ceiling opening)

29-13/16 (Suspension bolt pitch)

X

A (Ceiling opening)

B

(Suspension bolt pitch)

Grille center

Fig. 1-13

Drain hose side

Refrigerant tubing side

Unit: inch

Refrigerant tubing joint (gas tube side)

Suspension lug

E

Drain connection (other side) (VP25)

Refrigerant tubing joint (liquid tube side)

			D
		C		3/16
A	B
				1-

Unit: inch

Fig. 1-14

Table 1-5						Unit: inch (mm)
Type	Length	A	B	C	D	E
S-26PU1U6		6-3/16	7-5/32	10-9/32	12-1/8	4-7/8
(CZ-24KPU1U)		(157)	(182)	(261)	(308)	(124)
S-36PU1U6, S-42PU1U6		6-3/16	7-5/32	11-15/32	13-1/16	4-7/8
(CZ-36KPU1U)		(157)	(182)	(291)	(338)	(124)

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