Carrier 50PG03-07 installation instructions Physical Data cont, 50PG03--07

50PG03-- 07

Table 1 — Physical Data (cont)

BASE UNIT 50PG (cont)		03	04	05	06	07
EVAPORATOR FAN			Centrifugal Type, Belt Drive
Quantity…Size (in.)	Low	1...12 x 9	1...12 x 9	1...12 x 9	1...12 x 9	1...12 x 9
	High	1...12 x 9	1...12 x 9	1...12 x 9	1...12 x 9	1...12 x 9
Type Drive	Low	Belt	Belt	Belt	Belt	Belt
Nominal Cfm	High	Belt	Belt	Belt	Belt	Belt
		800	1200	1600	2000	2400
Maximum Continuous Bhp	Low	0.85	0.85	0.85	0.85/2.40†	2.40
Motor Nominal Rpm	High	0.85	0.85	1.60/2.40†	1.60/2.40†	3.10
		1620	1620	1620	1725	1725
Motor Frame Size	Low	48Y	48Y	48Y	56Y	56Y
	High	48Y	48Y	56Y	56Y	56Y
Fan Rpm Range	Low	482-736	482-736	596-910	690-978	796-1128
Motor Bearing Type	High	656-1001	796-1128	828-1173	929-1261	1150-1438
		Ball	Ball	Ball	Ball	Ball
Maximum Fan Rpm		2000	2000	2000	2000	2000
Motor Pulley Pitch Diameter Range (in.)	Low	1.9-2.9	1.9-2.9	1.9-2.9	2.4-3.4	2.4-3.4
	High	1.9-2.9	2.4-3.4	2.4-3.4	2.8-3.8	4.0-5.0
Fan Pulley Pitch Diameter (in.)	Low	6.8	6.8	5.5	6.0	5.2
	High	5.0	5.2	5.0	5.2	6.0
Nominal Motor Shaft Diameter (in.)	Low	1/2	1/2	1/2	5/8	5/8
Belt...Pitch Length (in.)	High	1/2	1/2	5/8	5/8	7/8
	Low	49.3	49.3	49.3	49.3	49.3
	High	49.3	49.3	49.3	49.3	52.3
Belt…Type	Low	AX	AX	AX	AX	AX
	High	AX	AX	AX	AX	AX
Pulley Center Line Distance Min. (in.)	Low	16.2	16.2	16.2	16.2	16.2
	High	16.2	16.2	16.2	16.2	16.2
Pulley Center Line Distance Max. (in.)	Low	20.2	20.2	20.2	20.2	20.2
	High	20.2	20.2	20.2	20.2	20.2
Speed Change per Full Turn of	Low	48	48	59	58	66
Movable Pulley Flange (rpm)	High	65	62	69	66	58
Movable Pulley Maximum Full	Low	5	5	5	5	5
Turns from Closed Position	High	5	5	5	5	5
Factory Pulley Setting (rpm)	Low	482	482	596	690	796
Fan Shaft Diameter at Pulley (in.)	High	656	796	828	929	1150
		3/4	3/4	3/4	3/4	3/4
HIGH-PRESSURE SWITCH (psig)
Cutout		660 ± 10	660 ± 10	660 ± 10	660 ± 10	660 ± 10
Reset (Auto.)		505 ± 20	505 ± 20	505 ± 20	505 ± 20	505 ± 20
RETURN-AIR FILTERS				Throwaway
Quantity…Size (in.)		4…16 x 20 x 2	4…16 x 20 x 2	4…16 x 20 x 2	4…16 x 20 x 2	4…16 x 20 x 2

LEGEND

TXV --- Thermostatic Expansion Valve

*Aluminum evaporator coil/aluminum condenser coil. { Single phase/three phase.

6