Haier HBU-42HI03, HBU-48HJ03, HBU-48CK03, HBU-42CH03, HBU-36HH03, HBU-48CH03 Fix the paper pattern

Installation Procedure

Screws at the piping outlet is fixed at the corner of drain pan.

Center of ceiling hole Paper pattern Paper pattern 5

6	6
Screw (accessory)	Screw (accessory)

[Fix the paper pattern]

5Refrigerant piping (As for outdoor piping, please refer to installation Manual of outdoor unit.)

Outdoor is precharged with refrigerant.

Be sure to see the Fig.1, when connecting and removing piping from unit. For the size of the flare nut, please refer to Table 1.

Apply refrigerant oil at both inside and outside of flare nut. Tighten it band tight 3-4 turns then tighten it. Use torque specified in Table 1. (Too much force may damage flare nut, causing gas leakage).

Check piping joints for gas leakage. Insulate piping as shown in Fig. below. Cover joint of gas piping and insulator 7 with seal.

Apple refrigerant oil

Torque spanner

spanner

Piping joing

Flare nut

Table 1

Medium size seal pad 11 (accessory) (Cover the piping joint with seal pad.)

Clamp

Insulator (accessory) 8

(For liquid pipe)

Insulator (accessory) 7 (For gas pipe)

Gas pipe

Liquid pipe

Pipe size	Tighten torque	A(mm)		Flare shape
6.35mm	1420~1720N.cm	8.3~8.7
	(144~176kgf.cm)
9.52mm	3270~3990N.cm	12.0~12.4	0.5		2	R0.4 ~ 0.8
	(333~407kgf.cm)			45
	6180~7540N.cm				A
15.88mm		18.6~19.0	90
	(630~770kgf.cm)
19.05mm	9720~11860N.cm	22.9~23.3
	(990~1210kgf.cm)
			19