Haier AD122XLERA Instructions to installation, Piping Connection, Connecting pipe, O.D.mm, ÿ6.35

Instructions to installation

Piping Connection

AD092XLERA

AD122XLERA

AD142XLERA

AD182XLERA

Flare connection	Gas pipe	3-way valve
Indoor		Outdoor
Unit		unit
	Liquid	2-way valve
	pipe
	Flare connection
Flare connection	Gas pipe	3-way valve
		A
Indoor		Outdoor
Unit		unit
	Liquid	2-way valve
	pipe
	Flare connection

To gas pipe

A(adaptor, from 9.52 to 12.7)

To outdoor unit

Pipe expansion dimensions as follows:

Pipe diameter ÿ	Size A (mm)
6.35 mm (1/4")	0.8 ~ 1.5
9.52 mm (3/8")	1.0 ~ 1.8
12.7 mm (1/2")	1.2 ~ 2.0

Correct Incorrect

Slope Damage Bur Partial Overlong

A

Pipe expander

The connection of indoor unit pipes must use double spanners.

The installing torque shall be as given in the following table.

Connecting pipe	Installing torque	Increased installing
O.D.(mm)	(N-m)	torque (N-m)
ÿ6.35	11.8 (1.2kgf-m)	13.7 (1.4 kgf-m)
ÿ9.52	24.5 (2.5kgf-m)	29.4 (3.0 kgf-m)
ÿ12.70	49.0 (5.0 kgf-m)	53.9 (5.5 kgf-m)

Double-spanner operation

20