Carrier 50PG03-07 IFM Electric Heat Power Supply Disconnect, Range IFM Size

50PG03-- 07

Table 2 - Electrical Data - Units Without Optional Convenience Outlet (cont)

	NOMINAL	VOLTAGE		COMPRESSOR		OFM	POWER	IFM		ELECTRIC HEAT			POWER SUPPLY		DISCONNECT
UNIT		RANGE							IFM						SIZE
	POWER SUPPLY						EXHAUST
50PG	Volts-Ph-Hz	Min	Max	RLA	LRA	FLA	FLA	TYPE	FLA	FLA	Nominal		MCA	MOCP†	FLA	LRA
											kW*
										—	—		33.7/33.7	35/35	33/33	184/184
										10.0/11.5	3.8/	5.0	33.7/33.7	35/35	33/33	184/184
										15.0/17.3	5.6/	7.5	33.7/33.7	35/35	33/33	184/184
								Low	5.2	20.0/23.1	7.5/10.0		33.7/37.1	35/40	33/34	184/184
										30.0/34.6	11.3/15.0		45.8/51.5	50/60	42/47	184/184
										40.0/46.2	15.0/20.0		58.3/66.0	60/70	54/61	184/184
	208/230-3-60	187	253	20.5	149	1.5	1.4			50.0/57.7	18.8/25.0		70.8/80.4	80/90	65/74	184/184
										—	—		36.0/36.0	40/40	36/36	210/210
										10.0/11.5	3.8/	5.0	36.0/36.0	40/40	36/36	210/210
										15.0/17.3	5.6/	7.5	36.0/36.0	40/40	36/36	210/210
								High	7.5	20.0/23.1	7.5/10.0		36.1/40.0	40/45	36/37	210/210
										30.0/34.6	11.3/15.0		48.6/54.4	50/60	45/50	210/210
										40.0/46.2	15.0/20.0		61.1/68.9	70/70	56/63	210/210
										50.0/57.7	18.8/25.0		73.6/83.3	80/90	68/77	210/210
										—	—		15.4	20	15	92
										5.8	5.0		15.4	20	15	92
										8.7	7.5		15.4	20	15	92
								Low	2.6	11.5	10.0		17.6	20	16	92
										17.3	15.0		24.9	25	23	92
										23.1	20.0		32.1	35	30	92
							—			28.9	25.0		39.4	40	36	92
										—	—		16.2	20	16	105
										5.8	5.0		16.2	20	16	105
										8.7	7.5		16.2	20	16	105
								High	3.4	11.5	10.0		18.6	20	17	105
										17.3	15.0		25.9	30	24	105
										23.1	20.0		33.1	35	30	105
	460-3-60	414	506	9.6	75	0.8				28.9	25.0		40.4	45	37	105
										—	—		16.0	20	16	93
										5.8	5.0		16.0	20	16	93
										8.7	7.5		16.0	20	16	93
07								Low	2.6	11.5	10.0		18.4	20	17	93
										17.3	15.0		25.6	30	24	93
(cont)										23.1	20.0		32.9	35	30	93
							0.6			28.9	25.0		40.1	45	37	93
										—	—		16.8	20	17	106
										5.8	5.0		16.8	20	17	106
										8.7	7.5		16.8	20	17	106
								High	3.4	11.5	10.0		19.4	20	18	106
										17.3	15.0		26.6	30	24	106
										23.1	20.0		33.9	35	31	106
										28.9	25.0		41.1	45	38	106
										—	—		12.3	15	12	67
										9.2	10.0		14.0	15	13	67
								Low	2.0	13.9	15.0		19.9	20	18	67
										18.5	20.0		25.6	30	24	67
										23.1	25.0		31.4	35	29	67
							—			27.7	30.0		37.1	40	34	67
										—	—		13.1	15	13	78
										9.2	10.0		15.0	15	14	78
								High	2.8	13.9	15.0		20.9	25	19	78
										18.5	20.0		26.6	30	24	78
										23.1	25.0		32.4	35	30	78
	575-3-60	518	633	7.6	54	0.8				27.7	30.0		38.1	40	35	78
										—	—		13.7	15	14	69
										9.2	10.0		15.8	20	14	69
								Low	2.0	13.9	15.0		21.6	25	20	69
										18.5	20.0		27.4	30	25	69
										23.1	25.0		33.1	35	30	69
							1.4			27.7	30.0		38.9	40	36	69
										—	—		14.5	15	14	80
										9.2	10.0		16.8	20	15	80
								High	2.8	13.9	15.0		22.6	25	21	80
										18.5	20.0		28.4	30	26	80
										23.1	25.0		34.1	35	31	80
										27.7	30.0		39.9	40	37	80

		LEGEND
FLA	---	Full Load Amps
HACR ---		Heating, Air Conditioning and Refrigeration
IFM	---	Indoor (Evaporator) Fan Motor
LRA	---	Locked Rotor Amps
MCA	---	Minimum Circuit Amps
MOCP ---		Maximum Overcurrent Protection
NEC	---	National Electrical Code
OFM	---	Outdoor (Condenser) Fan Motor
RLA	---	Rated Load Amps

*Heater capacity (kW) is based on heater voltage of 208v, 240v, 480v, or 600v. If power distribution voltage to unit varies from rated heater voltage, heater kW will vary accord- ingly.

{Fuse or HACR circuit breaker.

NOTES:

1.In compliance with NEC requirements for multimotor and combination load equipment (refer to NEC Articles 430 and 440), the overcurrent protective device for the unit shall be fuse or HACR breaker. Canadian units may be fuse or circuit breaker.

2.Unbalanced 3-Phase Supply Voltage

Never operate a motor where a phase imbalance in supply voltage is greater than 2%. Use the following formula to determine the percentage of voltage imbalance.

% Voltage Imbalance	= 100 x	max voltage deviation from average voltage
		average voltage

Example: Supply voltage is 230---3---60
AB = 224 v
BC = 231 v
AC = 226 v	224 + 231 + 226
Average Voltage =
	3
=	681
	3
=	227

Determine maximum deviation from average voltage. (AB) 227 – 224 = 3 v

(BC) 231 – 227 = 4 v

(AC) 227 – 226 = 1 v Maximum deviation is 4 v.

Determine percent of voltage imbalance.

% Voltage Imbalance	= 100 x	4
		227
	= 1.76%

This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%. IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local electric utility company immediately.

16