Carrier 40RMQ, 40RMS installation instructions Ð Electrical Data, Alternate Motors

Table 5 Ð Electrical Data, Alternate Motors

		VOLTAGE		FAN MOTOR		POWER SUPPLY
UNIT	V*-PH-HZ	LIMITS	Hp		FLA	Minimum	MOCP
						Circuit Amps
	208/230-1-60	187-253	2.4		11.0	13.8	20
40RM	208/230-3-60	187-253	2.9		7.5	9.4	15
007	460-3-60	414-528	2.9		3.4	4.3	15
	575-3-60	518-632	2.0		2.4	3.0	15
	208/230-3-60	187-253	2.9		7.5	9.4	15
40RM	460-3-60	414-528	2.9		3.4	4.3	15
40RMQ
	575-3-60	518-632	3.0		3.8	4.8	15
40RMS
008	230-3-50	207-253	2.9		7.5	9.4	15
	400-3-50	360-440	2.9		3.4	4.3	15
	208/230-3-60	187-253	2.9		7.5	9.4	15
40RMS	460-3-60	414-528	2.9		3.4	4.3	15
	575-3-60	518-632	3.0		3.8	4.8	15
010
	230-3-50	207-253	2.9		7.5	9.4	15
	400-3-50	360-440	2.9		3.4	4.3	15
	208/230-3-60	187-253	3.7		10.6	13.3	20
40RM	460-3-60	414-528	3.7		4.8	6.0	15
40RMQ
	575-3-60	518-632	3.0		3.8	4.8	15
40RMS
	230-3-50	207-253	5.0		14.4	18.0	30
012
	400-3-50	360-440	5.0		7.2	9.0	15
	208/230-3-60	187-253	3.7		10.6	13.3	20
40RM	460-3-60	414-528	3.7		4.8	6.0	15
40RMS	575-3-60	518-632	5.0		5.6	7.0	15
014
	230-3-50	207-253	5.0		14.4	18.0	30
	400-3-50	360-440	5.0		7.2	9.0	15
	208/230-3-60	187-253	5.0		15.2/14.4	19.9/18.0	30/30
40RM	460-3-60	414-528	5.0		7.2	9.0	15
40RMQ
	575-3-60	518-632	5.0		5.6	7.0	15
40RMS
	230-3-50	207-253	5.0		14.4	18.0	30
016
	400-3-50	360-440	5.0		7.2	9.0	15
	208/230-3-60	187-253	7.5		22.0/21.0	27.5/26.3	45/45
40RM	460-3-60	414-528	7.5		10.5	13.1	20
40RMS	575-3-60	518-632	7.5		7.6	9.5	15
024
	230-3-50	207-253	7.5		21.0	26.3	45
	400-3-50	360-440	7.5		10.5	13.1	20
	208/230-3-60	187-253	10.0		26.4/25.0	33.0/31.3	55/55
40RM	460-3-60	414-528	10.0		12.5	15.6	25
40RMS	575-3-60	518-632	10.0		9.6	12.0	20
028
	230-3-50	207-253	10.0		25.0	31.3	55
	400-3-50	360-440	10.0		12.5	15.6	25

	LEGEND
FLA Ð	Full Load Amps
MOCP Ð	Maximum Overcurrent Protection

*Motors are designed for satisfactory operation within 10% of nomi- nal voltages shown. Voltages should not exceed the limits shown in the Voltage Limits column.

NOTES:

1.	Minimum Circuit Amp and MOCP values are calculated in
	accordance with NEC (National Electrical Code) (U.S.A. stand-
	ard), Article 440.
2.	Motor FLA values are established in accordance with UL (Under-
	writers' Laboratories) Standard 1995 (U.S.A. standard).
3.	Unbalanced 3-Phase Supply Voltage
	Never operate a motor where a phase imbalance in supply volt-
	age is greater than 2%. Use the following formula to determine
	the percentage of voltage imbalance.

EXAMPLE: Supply voltage is 400-3-50.

AB = 393 v BC = 403 v AC = 396 v

Average Voltage = 393 + 403 + 396 3

= 1192 3

= 397

Determine maximum deviation from average voltage. (AB) 397 − 393 = 4 v

(BC) 403 − 397 = 6 v

(AC) 397 − 396 = 1 v

Maximum deviation is 6 v.

Determine percent voltage imbalance.

% Voltage Imbalance

% Voltage Imbalance = 100 x

6

= 100 x max voltage deviation from average voltage

average voltage

397

= 1.5%

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.

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