Carrier R-410A manual Fitting Requirements

Table 2 — Factory-Installed Nozzle and Distributor Data

	COIL TYPE	TXV	DISTRIBUTOR	FEEDER TUBES	NOZZLE
UNIT				PER DISTRIBUTOR†
	STD	Qty...Part No.	Qty...Part No.		Qty...Part No.
				Qty...Size (in.)
40RU*25	4 Row	2...BBIZE-8-GA	2...1135	18...3/16	2...G6
40RU*28	4 Row	2...BBIZE-15-GA	2...1126	20...3/16	2...C15
40RU*30	4 Row	2...BBIZE-15-GA	2...1126	24...3/16	2...C17

† Feeder tube size is 1/4 in. (6.35 mm).

NOTE: Hot gas bypass applications require field-supplied auxiliary side connector.

Table 3 — Fitting Requirements

UNIT	ACCESS	CONNECTION	CIRCUIT		FITTINGS REQUIRED†
	HOLE NO.‡	TYPE			(in.)
				11/8 Street Elbow
	1	Suction	Lower	11/8 Nipple, 75/8 L
				11/8 Long Radius Elbow
				5/8 Street Elbow
	2	Liquid	Lower	5/8 Nipple, 61/2 L
				5/8 Long Radius Elbow
40RUA25				5/8 Street Elbow
	3	Liquid	Upper	5/8 Nipple, 91/2 L
				5/8	Long Radius Elbow
				11/8 Nipple, 55/8 L
	4	Suction	Upper	11/8 Long Radius Elbow
				11/8 Nipple, 11 L
				11/8 Long Radius Elbow
				13/8 Long Radius Elbow
	4	Supply	Lower	13/8 Nipple, 33/4 L
				13/8 Long Radius Elbow
				13/8 Long Radius Elbow
	5	Return	Lower	13/8 Nipple, 33/8 L
40RUS25				13/8 Long Radius Elbow
				13/8 Long Radius Elbow
	6	Return	Upper	13/8 Nipple, 7 L
				13/8	Long Radius Elbow
				13/8	Long Radius Elbow
	7	Supply	Upper	13/8 Nipple, 113/4 L
				13/8	Long Radius Elbow

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