Sanyo UH3642 / CH3642 Installation Instructions Tubing Length, Models CH2442, Tubing Data

1-13 Installation Instructions

●Tubing Length

●Refrigerant tubing between the indoor and

outdoor units should be kept as short as possible.

●Select and decide the installation location so that the length of the refrigerant tubing will be within the limits given in Table 1-10.

1. Specifications

	INDOOR	Tubing length (L)
	UNIT
Elevation difference (H)			OUTDOOR
			UNIT

0711_M_I

Fig. 1-1

Table 1-10

		Models		CH2442	CH3642, CH4242
Tubing Data
Tubing size	Narrow tube	in. (mm)		1/4 (6.35)	3/8 (9.52)
outer dia.	Wide tube	in. (mm)		3/4 (19.05)	3/4 (19.05)
Limit of tubing length			(ft.)	165	165
Limit of elevation	Outdoor unit is higher			165	165
	than indoor unit		(ft.)
difference between
	Outdoor unit is lower
the 2 units				100	100
	than indoor unit
				(ft.)
Max. allowable tubing length at shipment (ft.)				100	100
Required additional refrigerant			(oz./ft.)	0.48*1	0.53*2

No additional charge of compressor oil is necessary.

*1	If total tubing length becomes 100 to 165 ft., charge additional refrigerant (R22) by 0.48 oz./ft..
*2	If total tubing length becomes 100 to 165 ft., charge additional refrigerant (R22) by 0.53 oz./ft..

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SM830082

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