Carrier 50TFQ008-012 specifications Physical Data, Unit Size 50TFQ

Table 1 — Physical Data

UNIT SIZE 50TFQ		008		009	012
NOMINAL CAPACITY (tons)		71/2		81/2	10
OPERATING WEIGHT (lb)
Unit		940		965	1015
Economizer
EconoMi$er IV		75		75	75
Roof Curb*		143		143	143
COMPRESSOR (Hermetic)			Reciprocating			Scroll
Quantity		2		2	2
Oil (oz)		45 ea		54 ea		54 ea
REFRIGERANT TYPE				R-22
Operating Charge (lb-oz)
Circuit 1		5-14		8- 6	7-14
Circuit 2		5-13		8-13	8- 3
OUTDOOR COIL		Enhanced Copper Tubes, Aluminum Lanced Fins, Acutrol™ Feed Device
Rows...Fins/in.		1...17		2...17	2...17
Total Face Area (sq ft)		20.50		18.00	18.30
OUTDOOR FAN				Propeller Type
Nominal Cfm		6500		6500	6500
Quantity...Diameter (in.)		2...22		2...22	2...22
Motor Hp...Rpm		1/4...1100		1/4...1100	1/4...1100
Watts Input (Total)		500		500	500
INDOOR COIL		Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol Feed Device
Rows...Fins/in.		3...15		3...15	3...15
Total Face Area (sq ft)		8.0		8.0	11.1
INDOOR FAN				Centrifugal Type
Quantity...Size (in.)	Std	1...15 x 15		1...15 x 15		1...15 x 15
	Alt	1...15 x 15		—		1...15 x 15
	High-Static	1...15 x 15		1...15 x 15		1...15 x 15
Type Drive	Std	Belt		Belt		Belt
	Alt	Belt		—		Belt
Nominal Cfm	High-Static	Belt		Belt		Belt
		3000		3600	4000
Maximum Continuous Bhp	Std	2.40		2.40	2.40
	Alt	2.40		—	2.90
	High-Static	3.70		3.70	5.25
Motor Frame Size	Std	56		56	56
	Alt	56		—	56
	High-Static	56		56	56
Nominal Rpm	Std	—		—		—
	Alt	—		—		—
	High-Static	1725		1725	1725
Fan Rpm Range	Std	590- 840		685- 935	685- 935
	Alt	685- 935		—	835-1085
Motor Bearing Type	High-Static	860-1080		860-1080	830-1130
		Ball		Ball		Ball
Maximum Allowable Rpm		2100		2100	2100
Motor Pulley Pitch Diameter Min/Max (in.)	Std	2.4/3.4		2.8/3.8	2.8/3.8
	Alt	2.8/3.8		—	3.4/4.4
	High-Static	4.0/5.0		4.0/5.0	2.8/3.8
Nominal Motor Shaft Diameter (in.)	Std	5/8		5/8	5/8
	Alt	5/8		—	7/8
Fan Pulley Pitch Diameter (in.)	High-Static	7/8		7/8	7/8
	Std	7.0		7.0	7.0
	Alt	7.0		—	7.0
	High-Static	8.0		8.0	5.8
Belt, Quantity...Type...Length (in.)	Std	1...A...53		1...A...48		1...A...49
	Alt	1...A...49		—		1...A...51
	High-Static	1...A...65		1...A...53		1...BX...48
Pulley Center Line Distance (in.)	Std	16.75-19.25		16.75-19.25	15.85-17.50
	Alt	16.75-19.25		—	15.85-17.50
	High-Static	16.75-19.25		16.75-19.25	15.85-17.50
Speed Change per Full Turn of	Std	50		50	50
Moveable Pulley Flange (rpm)	Alt	50		—	50
	High-Static	60		60	60
Moveable Pulley Maximum Full Turns	Std	5		5	5
From Closed Position	Alt	5		—	5
	High-Static	5		5	6
Factory Setting	Std	5		5	5
	Alt	5		—	5
	High-Static	5		5	5
Factory Speed Setting (rpm)	Std	590		685	685
	Alt	685		—	835
Fan Shaft Diameter at Pulley (in.)	High-Static	860		880	887
		1		1	1
HIGH-PRESSURE SWITCH (psig)
Standard Compressor Internal Relief (Differential)			450 ± 50
Cutout			428
Reset (Auto.)			320
LOSS-OF-CHARGE (LOW-PRESSURE) SWITCH (psig)
Cutout			7 ± 3
Reset (Auto.)			22 ± 5
FREEZE PROTECTION THERMOSTAT (F)
Opens			30 ± 5
Closes			45 ± 5
OUTDOOR-AIR INLET SCREENS				Cleanable.
		Screen quantity and size vary based on options selected.
RETURN-AIR FILTERS				Throwaway
Quantity...Size (in.)		4...16 x 20 x 2		4...16 x 20 x 2		4...20 x 20 x 2
LEGEND		*Weight of 14-in. roof curb.
Bhp — Brake Horsepower

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