AC Tech MCH Operation Manual

QC Series

Installation and Operation Manual

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1.0GENERAL

1.1PRODUCTS COVERED IN THIS MANUAL

This manual covers the AC Tech QC1000, QC2000, and QC3000 Variable Frequency Drives.

1.2PRODUCT CHANGES

AC Technology Corporation reserves the right to discontinue or make modifications to the design of its products and manuals without prior notice, and holds no obligation to make modifications to products sold previously. AC Technology Corporation also holds no liability for losses of any kind which may result from this action. Instruction manuals with the most up-to-date information are available for download from the AC Tech website (www.actechdrives.com).

1.3WARRANTY

AC Technology Corporation warrants the QC Series AC motor control to be free of defects in material and workmanship for a period of eighteen months from the date of sale to the user, or two years from the date of shipment, which ever occurs first. Any control component, which under normal use, becomes defective, within the stated warranty time period, shall be returned to AC Technology Corporation, freight prepaid, for examination. AC Technology Corporation reserves the right to make the final determination as to the validity of a warranty claim, and sole obligation is to repair or replace only components which have been rendered defective due to faulty material or workmanship. No warranty claim will be accepted for components which have been damaged due to mishandling, improper installation, unauthorized repair and/or alteration of the product, operation in excess of design specifications or other misuse, or improper maintenance. AC Technology Corporation makes no warranty that its products are compatible with any other equipment, or to any specific application, to which they may be applied and shall not be held liable for any other consequential damage or injury arising from the use of its products.

This warranty is in lieu of all other warranties, expressed or implied. No other person, firm or corporation is authorized to assume, for AC Technology Corporation, any other liability in connection with the demonstration or sale of its products.

1.4RECEIVING

Inspect all cartons for damage which may have occurred during shipping. Carefully unpack equipment and inspect thoroughly for damage or shortage. Report any damage to carrier and/or shortages to supplier. All major components and connections should be examined for damage and tightness, with special attention given to PC boards, plugs, knobs and switches.

1.5CUSTOMER MODIFICATION

AC Technology Corporation, its sales representatives and distributors, welcome the opportunity to assist our customers in applying our products. Many customizing options are available to aid in this function. AC Technology Corporation cannot assume responsibility for any modifications not authorized by its engineering department.

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2.0QC SERIES SPECIFICATIONS

Storage Temperature

Ambient Operating Temperature (with 8 kHz or lower carrier, derate for higher carriers)

Ambient Humidity

Altitude

Input Line Voltages

Input Voltage Tolerance

Input Frequency Tolerance

Output Wave Form

Output Frequency

Carrier Frequency

Frequency Stability

Efficiency

Power Factor (displacement)

Service Factor

Overload Current Capacity

(based on drive output current rating)

Speed Reference Follower

Control Voltage

Analog Outputs

-20° to 70° C
Chassis:		-10 to 50°	C (40° C for QC3000)
Type 1	Enclosed	-10 to 50°	C (40° C for QC3000)
Type 4	/ 12 Enclosed	-10 to 40°	C
Type 12 Enclosed		-10 to 40°	C
Type 4X Enclosed		-10 to 40°	C

Less than 95% (non-condensing)

3300 feet (1000 meters) above sea level without derating

200/240 Vac, 400/480 Vac, and 480/590 Vac

+10%, -15%

48 to 62 Hz

Sine Coded PWM

0-120 Hz Standard, 0 - 650 Hz Optional

1.5, 8, 10, or 12 kHz

+ 0.00006% / ° C

97% or better

0.96 or better

1.00

150 % for one minute (QC1000/2000)

120 % for one minute (QC3000)

0-10 VDC, or 4-20 mA

24 VDC

0-10 VDC, 2-10 VDC, 4-20 mA Proportional to speed or load

	12 VDC Pulse Train (40-50% Duty Cycle)
	Proportional to speed
Digital Outputs	Form C relays: 2A at 24 VDC or 120 Vac
	Open-collector output: 40 mA at 30 VDC

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3.0QC SERIES MODEL DESIGNATION CODE

The model number of a QC Series drive gives a full description of the basic drive unit (see example below).

EXAMPLE: Q14005HB

(QC1000, 480 Vac, 5 HP, Type 1 Enclosure with extended enclosure)

Q1

4

005

H

B

- XXX

Series:

Q1 = QC1000 Series - Constant Torque - NEMA 1 and Chassis

Q2 = QC2000 Series - Constant Torque - NEMA 4 / 12 & 4X

Q3 = QC3000 Series - Variable Torque - NEMA 1 and Chassis

Input Voltage:

2 = 240/200Vac (For 208 and 240 Vac; 50 or 60 Hz)

4= 480/400Vac (For 380, 415, 440, 460 and 480 Vac; 50 or 60 Hz)

5= 590/480Vac (For 440, 460, 480, 575 and 600 Vac; 50 or 60 Hz)

Horsepower:
001	= 1 Hp	015	= 15 Hp	060	= 60 Hp	250 = 250 Hp
002	= 2 Hp	020	= 20 Hp	075	= 75Hp
003	= 3 Hp	025	= 25 Hp	100	= 100Hp
005	= 5 Hp	030	= 30 Hp	125	= 125Hp
008	= 7½ Hp	040	= 40 Hp	150 = 150 Hp
010	= 10 Hp	050	= 50 Hp	200 = 200 Hp
Extended Enclosures:
H =	Extended enclosure.

No character indicates standard height enclosure.

Required for line reactor option. Line reactors are standard on 240 Vac models from 25 to 60 Hp, 480 Vac models from 25 to 250 Hp, and 590 Vac from 5 to 200 Hp.

Enclosure Type:

A= Chassis - Open Frame

B= NEMA 1 - General Purpose, vented: Indoor

C= NEMA 4 - Washdown: Indoor / Outdoor (NEMA 4 rating exceeds NEMA 12 rating)

D= NEMA 12 - Dust-tight and Drip-tight: Indoor

E= NEMA 4X - Washdown, Stainless steel: Indoor / Outdoor

Special Designation:

Non-standard special models have a three digit suffix.

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4.0QC SERIES DIMENSIONS

4.1QC1000 - CHASSIS AND TYPE 1 ENCLOSED

W

D

H

Q	Q
	Conduit Holes:
	If Q = 2.12", all = 1.13" dia.
P	If Q = 2.50", middle = 1.13" dia.
	left & right = 1.38" dia.
N

V

U

R

2R

T

Dia.

Mounting Tab Detail

	INPUT
HP	VOLTAGE	MODEL	H	W	D	N	P	Q	R	T	U	V
1	240 / 200	Q12001	12.00	7.44	5.91	3.72	2.75	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q14001	12.00	7.44	5.91	3.72	2.75	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q15001	12.00	7.44	5.91	3.72	2.75	2.12	1.00	0.28	0.37	0.68
2	240 / 200	Q12002	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q14002	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q15002	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
3	240 / 200	Q12003	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q14003	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q15003	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
5	480 / 400	Q14005	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q15005	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
7.5	240 / 200	Q12008	14.00	8.88	9.50	4.44	5.75	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q14008	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q15008	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
10	240 / 200	Q12010	14.00	8.88	9.50	4.44	5.75	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q14010	14.00	8.88	9.50	4.44	5.75	2.50	1.00	0.28	0.37	0.68
	590 / 480	Q15010	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
15	240 / 200	Q12015	14.00	8.88	9.50	4.44	5.75	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q14015	14.00	8.88	9.50	4.44	5.75	2.50	1.00	0.28	0.37	0.68
	590 / 480	Q15015	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
20	240 / 200	Q12020	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q14020	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
	590 / 480	Q15020	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68

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4.1QC1000 - CHASSIS AND TYPE 1 ENCLOSED

W

D

H

Q Q

P

N

Conduit Holes:

If Q = 2.50", middle = 1.13" dia. left & right = 1.38" dia.

If Q = 2.62", left = 1.13" dia. middle & right = 1.38" dia.

If Q = 3.12", left = 1.13" dia. middle & right = 1.75" dia.

If Q = 4.50", left = 1.13" dia. middle & right = 2.50" dia.

V

U

R

2R

T

Dia.

Mounting Tab Detail

	INPUT
HP	VOLTAGE	MODEL	H	W	D	N	P	Q	R	T	U	V
25	240 / 200	Q12025	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
	480 / 400	Q14025	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
	590 / 480	Q15025	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
30	240 / 200	Q12030	25.00	8.88	10.50	5.56	6.50	2.50	1.50	0.36	0.37	0.68
	480 / 400	Q14030	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
	590 / 480	Q15030	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
40	240 / 200	Q12040	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
	480 / 400	Q14040	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
	590 / 480	Q15040	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
50	480 / 400	Q14050	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
	590 / 480	Q15050	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
60	240 / 200	Q12060	29.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
	480 / 400	Q14060	29.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
	590 / 480	Q15060	29.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
75	480 / 400	Q14075	29.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
	590 / 480	Q15075	29.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
100	480 / 400	Q14100	29.00	24.42	11.85	11.12	6.50	4.50	1.50	0.44	0.49	0.92
	590 / 480	Q15100	29.00	24.42	11.85	11.12	6.50	4.50	1.50	0.44	0.49	0.92
125	480 / 400	Q14125	29.00	24.42	11.85	11.12	6.50	4.50	1.50	0.44	0.49	0.92
	590 / 480	Q15125	29.00	24.42	11.85	11.12	6.50	4.50	1.50	0.44	0.49	0.92
150	480 / 400	Q14150	29.00	36.66	11.85		SEE SECTION 4.7 - PAGE 11
	590 / 480	Q15150	29.00	36.66	11.85

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4.2QC2000 - TYPE 4/12 AND 4X ENCLOSED

D

H

W

Q Q

P

W 2

Conduit Holes:

If Q = 2.12", all = 1.13" dia.

If Q = 2.50", middle = 1.13" dia. left & right = 1.38" dia.

V

U

R

2R

T

Dia.

Mounting Tab Detail

	INPUT
HP	VOLTAGE	MODEL	H	W	D	P	Q	R	T	U	V
1	240 / 200	Q22001	13.00	7.88	6.19	3.50	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q24001	13.00	7.88	6.19	3.50	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q25001	13.00	7.88	6.19	3.50	2.12	1.00	0.28	0.37	0.68
2	240 / 200	Q22002	13.00	7.88	7.25	4.56	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q24002	13.00	7.88	6.19	3.50	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q25002	13.00	7.88	6.19	3.50	2.12	1.00	0.28	0.37	0.68
3	240 / 200	Q22003	13.00	7.88	7.25	4.56	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q24003	13.00	7.88	7.25	4.56	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q25003	13.00	7.88	7.25	4.56	2.12	1.00	0.28	0.37	0.68
5	480 / 400	Q24005	16.00	9.70	7.50	4.81	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q25005	16.00	9.70	7.50	4.81	2.12	1.00	0.28	0.37	0.68
7.5	240 / 200	Q22008	19.00	11.38	8.83	5.63	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q24008	16.00	9.70	7.50	4.81	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q25008	16.00	9.70	7.50	4.81	2.12	1.00	0.28	0.37	0.68
10	240 / 200	Q22010	19.00	11.38	8.83	5.63	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q24010	19.00	11.38	8.83	5.63	2.50	1.00	0.28	0.37	0.68
	590 / 480	Q25010	19.00	11.38	8.83	5.63	2.50	1.00	0.28	0.37	0.68
15	240 / 200	Q22015	19.00	11.38	8.83	5.63	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q24015	19.00	11.38	8.83	5.63	2.50	1.00	0.28	0.37	0.68
	590 / 480	Q25015	19.00	11.38	8.83	5.63	2.50	1.00	0.28	0.37	0.68
20	240 / 200	Q22020	29.00	11.74	9.78	5.88	2.50	1.50	0.36	0.37	0.68
	480 / 400	Q24020	29.00	11.74	9.78	5.88	2.50	1.50	0.36	0.37	0.68
	590 / 480	Q25020	29.00	11.74	9.78	5.88	2.50	1.50	0.36	0.37	0.68
25	240 / 200	Q22025	29.00	11.74	10.98	7.08	2.50	1.50	0.36	0.37	0.68
	480 / 400	Q24025	29.00	11.74	9.78	5.88	2.50	1.50	0.36	0.37	0.68
	590 / 480	Q25025	29.00	11.74	9.78	5.88	2.50	1.50	0.36	0.37	0.68
30	480 / 400	Q24030	29.00	11.74	10.98	7.08	2.50	1.50	0.36	0.37	0.68
	590 / 480	Q25030	29.00	11.74	10.98	7.08	2.50	1.50	0.36	0.37	0.68

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4.3QC2000 - TYPE 12 ENCLOSED

		D
AIR FLOW	AIR FLOW
	If H = 31.00"	H
	Y = 22.50"
	Y
	If H > 37.00"
	Y = 27.00"
W		V
Q Q	Conduit Holes:	U

If Q = 2.62", left = 1.13" dia. middle & right = 1.38" dia.

P

If Q = 3.13", left = 1.13" dia. middle & right = 1.75" dia.

N	If Q = 4.50", left = 1.13" dia.
	middle & right = 2.50" dia.

	2R
T	R
Dia.

Mounting Tab Detail

	INPUT
HP	VOLTAGE	MODEL	H	W	D	N	P	Q	R	T	U	V
30	240 / 200	Q22030	31.00	14.00	11.86	6.00	7.50	2.62	1.50	0.36	0.37	0.68
40	240 / 200	Q22040	31.00	14.00	11.86	6.00	7.50	2.62	1.50	0.36	0.37	0.68
	480 / 400	Q24040	31.00	14.00	11.86	6.00	7.50	2.62	1.50	0.36	0.37	0.68
	590 / 480	Q25040	31.00	14.00	11.86	6.00	7.50	2.62	1.50	0.36	0.37	0.68
50	480 / 400	Q24050	31.00	14.00	11.86	6.00	7.50	2.62	1.50	0.36	0.37	0.68
	590 / 480	Q25050	31.00	14.00	11.86	6.00	7.50	2.62	1.50	0.36	0.37	0.68
60	240 / 200	Q22060	37.00	18.00	13.30	7.50	8.00	3.13	1.50	0.49	0.50	0.92
	480 / 400	Q24060	37.00	18.00	13.30	7.50	8.00	3.13	1.50	0.49	0.50	0.92
	590 / 480	Q25060	37.00	18.00	13.30	7.50	8.00	3.13	1.50	0.49	0.50	0.92
75	480 / 400	Q24075	37.00	18.00	13.30	7.50	8.00	3.13	1.50	0.49	0.50	0.92
	590 / 480	Q25075	37.00	18.00	13.30	7.50	8.00	3.13	1.50	0.49	0.50	0.92
100	480 / 400	Q24100	39.00	26.00	13.30	11.50	8.00	4.50	1.50	0.49	0.50	0.92
	590 / 480	Q25100	39.00	26.00	13.30	11.50	8.00	4.50	1.50	0.49	0.50	0.92
125	480 / 400	Q24125	39.00	26.00	13.30	11.50	8.00	4.50	1.50	0.49	0.50	0.92
	590 / 480	Q25125	39.00	26.00	13.30	11.50	8.00	4.50	1.50	0.49	0.50	0.92

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4.4QC3000 - CHASSIS AND TYPE 1 ENCLOSED

W

Q Q

P

N

Conduit Holes:

If Q = 2.12", all = 1.13" dia.

If Q = 2.50", middle = 1.13" dia. left & right = 1.38" dia.

D

H

V

U

R

2R

T

Dia.

Mounting Tab Detail

	INPUT
HP	VOLTAGE	MODEL	H	W	D	N	P	Q	R	T	U	V
2	240 / 200	Q32002	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q34002	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q35002	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
3	240 / 200	Q32003	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q34003	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q35003	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
5	240 / 200	Q32005	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q34005	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q35005	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
7.5	480 / 400	Q34008	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q35008	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
10	240 / 200	Q32010	14.00	8.88	9.50	4.44	5.75	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q34010	12.00	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	590 / 480	Q35010	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
15	240 / 200	Q32015	14.00	8.88	9.50	4.44	5.75	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q34015	14.00	8.88	9.50	4.44	5.75	2.50	1.00	0.28	0.37	0.68
	590 / 480	Q35015	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
20	240 / 200	Q32020	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q34020	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
	590 / 480	Q35020	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
25	240 / 200	Q32025	25.00	8.88	10.5	4.44	6.50	2.50	1.50	0.36	0.37	0.68
	480 / 400	Q34025	25.00	8.88	10.5	4.44	6.50	2.50	1.50	0.36	0.37	0.68
	590 / 480	Q35025	25.00	8.88	10.5	4.44	6.50	2.50	1.50	0.36	0.37	0.68

8

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4.4QC3000 - CHASSIS AND TYPE 1 ENCLOSED

W

D

H

Q Q

P

N

Conduit Holes:

If Q = 2.50", middle = 1.13" dia. left & right = 1.38" dia.

If Q = 2.62", left = 1.13" dia. middle & right = 1.38" dia.

If Q = 3.12", left = 1.13" dia. middle & right = 1.38" dia.

If Q = 4.50", left = 1.13" dia. middle & right = 2.50" dia.

V

U

R

2R

T

Dia.

Mounting Tab Detail

	INPUT
HP	VOLTAGE	MODEL	H	W	D	N	P	Q	R	T	U	V
30	240 / 200	Q32030	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
	480 / 400	Q34030	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
	590 / 480	Q35030	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
40	240 / 200	Q32040	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
	480 / 400	Q34040	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
	590 / 480	Q35040	25.00	8.88	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
50	240 / 200	Q32050	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
	480 / 400	Q34050	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
	590 / 480	Q35050	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.68
60	240 / 200	Q32060	47.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
	480 / 400	Q34060	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.92
	590 / 480	Q35060	25.00	13.00	10.50	5.56	6.50	2.62	1.50	0.36	0.37	0.92
75	240 / 200	Q32075	47.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
	480 / 400	Q34075	29.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
	590 / 480	Q35075	29.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
100	480 / 400	Q34100	29.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
	590 / 480	Q35100	29.00	16.64	11.85	7.14	6.88	3.12	1.50	0.44	0.49	0.92
125	480 / 400	Q34125	29.00	24.42	11.85	11.12	6.50	4.50	1.50	0.44	0.49	0.92
	590 / 480	Q35125	29.00	24.42	11.85	11.12	6.50	4.50	1.50	0.44	0.49	0.92
150	480 / 400	Q34150	29.00	24.42	11.85	11.12	6.50	4.50	1.50	0.44	0.49	0.92
	590 / 480	Q35150	29.00	24.42	11.85	11.12	6.50	4.50	1.50	0.44	0.49	0.92
200	480 / 400	Q34200	29.00	36.66	11.85
	590 / 480	Q35200	29.00	36.66	11.85		SEE SECTION 4.7 - PAGE 11
250	480 / 400	Q34250	29.00	36.66	11.85

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4.5QC1000 AND QC3000 - CHASSIS AND TYPE 1 EXTENDED

W

D

H

Q Q

P

N

Conduit Holes:

If Q = 2.12", all = 1.13" dia.

If Q = 2.50", middle = 1.13" dia. left & right = 1.38" dia.

V

U

R

2R

T

Dia.

Mounting Tab Detail

	INPUT
HP	VOLTAGE	MODEL	H	W	D	N	P	Q	R	T	U	V
1	240 / 200	Q12001H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q14001H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
2	240 / 200	Q*2002H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q*4002H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
3	240 / 200	Q*2003H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q*4003H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
5	240 / 200	Q32005H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q*4005H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
7.5	240 / 200	Q12008H	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q14008H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
		Q34008H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
10	240 / 200	Q*2010H	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q14010H	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
		Q34010H	15.50	7.44	7.91	3.72	4.75	2.12	1.00	0.28	0.37	0.68
15	240 / 200	Q*2015H	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
	480 / 400	Q*4015H	19.00	8.88	9.84	4.44	6.13	2.50	1.00	0.28	0.37	0.68
20	240 / 200	Q*2020H	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
	480 / 400	Q*4020H	25.00	8.88	10.50	4.44	6.50	2.50	1.50	0.36	0.37	0.68
25	240 / 200	Q*2025H	25.00	13.00	10.50	5.56	6.50	2.50	1.50	0.36	0.37	0.68
	480 / 400	Q*4025H	25.00	13.00	10.50	5.56	6.50	2.50	1.50	0.36	0.37	0.68
30	480 / 400	Q*4030H	25.00	13.00	10.50	5.56	6.50	2.50	1.50	0.36	0.37	0.68
NOTE:	* = 1 or 3, depending on model. See Section 3.0 for model number breakdown.

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4.6QC2000 - TYPE 4/12 AND 4X EXTENDED

D

H

W

Q Q

P

W 2

Conduit Holes:

If Q = 2.12", all = 1.13" dia.

If Q = 2.50", middle = 1.13" left & right = 1.38"

V

U

R

2R

T

Dia.

Mounting Tab Detail

	INPUT
HP	VOLTAGE	MODEL	H	W	D	P	Q	R	T	U	V
1	240 / 200	Q22001H	16.00	9.70	7.50	4.81	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q24001H	16.00	9.70	7.50	4.81	2.12	1.00	0.28	0.37	0.68
2	240 / 200	Q22002H	16.00	9.70	7.50	4.81	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q24002H	16.00	9.70	7.50	4.81	2.12	1.00	0.28	0.37	0.68
3	240 / 200	Q22003H	16.00	9.70	7.50	4.81	2.12	1.00	0.28	0.37	0.68
	480 / 400	Q24003H	16.00	9.70	7.50	4.81	2.12	1.00	0.28	0.37	0.68

4.7MOUNTING TAB AND CONDUIT HOLE DIMENSIONS

The following diagram applies to 150 HP QC1000, 200 HP QC3000, and 250 HP QC3000 models only.

V

					U
N	P	Q	P		1.36"
7.25"				T	3.00"
			6.50"
				Dia.
					1.36"
Conduit Holes: Large holes = 3.00"
		Small holes = 1.13"
					Mounting Tab Detail

N = 7.45"

P= 9.00"

Q= 7.00"

T= 0.44"

U= 0.49"

V= 0.92"

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5.0QC SERIES RATINGS

Q1200, Q2200, AND Q3200 SERIES RATINGS

					INPUT			OUTPUT
MODEL				(240 Vac, 50 - 60 Hz)				(0 - 230 Vac)
					NOMINAL
MODEL					CURRENT			NOMINAL
NUMBER		RATED	INPUT		(AMPS)		POWER	CURRENT		POWER
(NOTE 1)		HP	PHASE		(NOTE 2)		(KVA)	(AMPS)		(KVA)
Q*2001		1	3		4.6		1.9	4.0		1.6
Q*2001S		1	1 / 3		8.5 / 4.6		2.0 / 1.9	4.0		1.6
Q*2002		2	3		8.1		3.4	6.8		2.7
Q*2002S		2	1 / 3		14.9 / 8.1		3.6 / 3.4	6.8		2.7
Q*2003		3	3		11.3		4.7	9.6		3.8
Q*2003S		3	1 / 3		21.0 / 11.3		5.0 / 4.7	9.6		3.8
Q32005		5	3		17.7		7.3	15.2		6.1
Q12008 / Q22008		7.5	3		25.0		10.5	22.0		8.8
Q*2010		10	3		32.0		13.2	28.0		11.2
Q*2015		15	3		47.6		19.8	42.0		16.7
Q*2020		20	3		61.0		25.3	54.0		21.5
Q*2025		25	3		64.0		26.6	68.0		27.1
Q*2030		30	3		76.0		31.6	80.0		31.9
Q*2040		40	3		99.0		41.0	104.0		41.4
Q32050		50	3		122.0		50.7	130.0		51.8
Q*2060		60	3		145.0		60.5	154.0		61.3
Q*2075		75	3		182.0		75.7	192.0		76.5

NOTE 1: See Section 3.0 for model number breakdown (* = 1, 2, or 3, depending on model).

NOTE 2: For 200 Vac input voltage on THREE PHASE, Q1200 AND Q2200 MODELS ONLY, multiply the input and output current ratings by 1.2 and the output voltage by 0.83.

For Q3200 three phase models, multiply the input and output power, and output voltage, by 0.83.

Q3200 models may have to be oversized to meet the current requirements of 200 Vac applications.

NOTE 3: See Section 8.0 for recommended fuse type.

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Q1400, Q2400, AND Q3400 SERIES RATINGS

					INPUT			OUTPUT
	MODEL			(480 Vac, 50 - 60 Hz)				(0 - 460 Vac)
					NOMINAL
MODEL					CURRENT			NOMINAL
NUMBER		RATED	INPUT		(AMPS)		POWER	CURRENT		POWER
(NOTE 1)		HP	PHASE		(NOTE 2)		(KVA)	(AMPS)		(KVA)
Q*4001		1	3		2.3		1.9	2.0		1.6
Q*4002		2	3		4.0		3.4	3.4		2.7
Q*4003		3	3		5.7		4.7	4.8		3.8
Q*4005		5	3		8.8		7.3	7.6		6.1
Q*4008		7.5	3		12.6		10.5	11.0		8.8
Q*4010		10	3		15.9		13.2	14.0		11.2
Q*4015		15	3		24		19.8	21		16.7
Q*4020		20	3		31		25.4	27		21.5
Q*4025		25	3		32		26.7	34		27.1
Q*4030		30	3		38		31.5	40		31.9
Q*4040		40	3		49		41.0	52		41.4
Q*4050		50	3		61		50.7	65		51.8
Q*4060		60	3		73		60.5	77		61.3
Q*4075		75	3		91		75.5	96		76.5
Q*4100		100	3		116		96.4	124		98.8
Q*4125		125	3		146		121.4	156		124.3
Q*4150		150	3		168		139.7	180		143.4
Q34200		200	3		225		187.1	240		191.2
Q34250		250	3		281		233.6	302		240.6

NOTE 1: See Section 3.0 for model number breakdown (* = 1, 2, or 3, depending on model).

NOTE 2: For 400 Vac input voltage on Q1400 AND Q2400 MODELS ONLY, multiply the input and output current ratings by 1.2 and the output voltage by 0.83.

For Q3400 models, multiply the input and output power, and output voltage, by 0.83.

Q3400 models may have to be oversized to meet the current requirements of 400 Vac applications. NOTE 3: See Section 8.0 for recommended fuse type.

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Q1500, Q2500, AND Q3500 SERIES RATINGS

					INPUT			OUTPUT
	MODEL			(590 Vac, 50 - 60 Hz)				(0 - 575 Vac)
					NOMINAL
MODEL					CURRENT			NOMINAL
NUMBER		RATED	INPUT		(AMPS)		POWER	CURRENT		POWER
(NOTE 1)		HP	PHASE		(NOTE 2)		(KVA)	(AMPS)		(KVA)
Q*5001		1	3		1.8		1.9	1.6		1.6
Q*5002		2	3		3.3		3.4	2.7		2.7
Q*5003		3	3		4.6		4.7	3.9		3.9
Q*5005		5	3		5.8		5.9	6.1		6.1
Q*5008		7.5	3		8.6		8.8	9.0		8.9
Q*5010		10	3		10.6		10.9	11.0		11.0
Q*5015		15	3		16.4		16.7	17.0		16.9
Q*5020		20	3		21		21.3	22		21.5
Q*5025		25	3		26		26.9	27		26.9
Q*5030		30	3		31		31.6	32		31.9
Q*5040		40	3		40		40.5	41		40.9
Q*5050		50	3		50		51.1	52		51.8
Q*5060		60	3		60		60.9	62		61.7
Q*5075		75	3		74		75.7	77		76.7
Q*5100		100	3		95		96.6	99		98.6
Q*5125		125	3		119		121.6	125		124.5
Q*5150		150	3		137		140.0	144		143.4
Q35200		200	3		183		187.0	192		191.2
NOTE 1:		See Section 3.0 for model number breakdown (* = 1, 2, or 3, depending on model).
NOTE 2:		For 480 Vac input voltage on Q1500 AND Q2500 MODELS ONLY, multiply the input and outputcurrent ratings
		by 1.23 and the output voltage by 0.81.
		For Q3500 models, multiply the input and output power, and the output voltage, by 0.81.
		Q3500 models may have to be oversized to meet the current requirements of 480 Vac applications.
NOTE 3:		See Section 8.0 for recommended fuse type.

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6.0THEORY

6.1DESCRIPTION OF AC MOTOR OPERATION

Three phase AC motors are comprised of two major components, the stator and the rotor. The stator is a set of three electrical windings held stationary in the motor housing. The rotor is a metal cylinder, fixed to the motor drive shaft, which rotates within the stator. The arrangement of the stator coils and the presence of three phase AC voltage give rise to a rotating magnetic field which drives the rotor. The speed at which the magnetic field rotates is known as the synchronous speed of the motor. Synchronous speed is a function of the frequency at which the voltage is alternating and the number of poles in the stator windings.

The following equation gives the relation between synchronous speed, frequency, and the number of poles:

Ss = 120 f/p

Where: Ss = Synchronous speed (rpm ), f = frequency (Hz), p = number of poles

In three phase induction motors the actual shaft speed differs from the synchronous speed as load is applied. This difference is known as "slip". Slip is commonly expressed as a percentage of synchronous speed. A typical value is three percent at full load.

The strength of the magnetic field in the gap between the rotor and stator is proportional to the amplitude of the voltage at a given frequency. The output torque capability of the motor is, therefore, a function of the applied voltage amplitude at a given frequency. When operated below base (rated) speed, AC motors run in the range of "constant torque". Constant torque output is obtained by maintaining a constant ratio between voltage amplitude (volts) and frequency (Hz). For 60 Hz, 230, 460, and 575 volt motors, common values for this V/Hz ratio are 3.83, 7.66, and 9.58 respectively. Operating with these V/Hz ratios generally yield optimum torque capability. Operating at lower ratios decreases torque and power capability. Operating at higher ratios will cause the motor to overheat. Most standard motors are capable of providing full torque output from 3 to 60 Hz. However, at lower speeds, where motor cooling fans become less effective, supplemental cooling may be needed to operate at full torque output continuously.

If the frequency applied to the motor is increased while the voltage remains constant, torque capability will decrease as speed increases. This will cause the horsepower capability of the motor to remain approximately constant. Motors run in this mode when operated above base speed, where drive output voltage is limited by the input line voltage. This operating range is known as the "constant horsepower" range. The typical maximum range for constant horsepower is about 2.3 to 1 (60 to 140 Hz). The diagram below depicts the operating characteristics of a typical AC induction motor.

WARNING!

Consult motor manufacturer before operating motor and/or driven equipment above rated speed.

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	CONSTANT TORQUE	CONSTANT HP
(%)	TORQUE	HORSEPOWER
	100
		TORQUE
TORQUE
	HORSEPOWER
		100

BASE FREQUENCY (%)

6.1.1CONSTANT TORQUE VS. VARIABLE TORQUE

Variable frequency drives, and the loads they are applied to, can generally be divided into two groups: constant torque and variable torque. Constant torque loads include: vibrating conveyors, punch presses, rock crushers, machine tools, and just about every other application that is not considered variable torque. Variable torque loads include centrifugal pumps and fans, which make up the majority of HVAC applications.

The term constant torque is not entirely accurate in terms of the torque required for an application. Many constant torque applications have reciprocating loads, such as vibrating conveyors and punch presses, where the rotational motion of the motor is being converted to a linear motion. In such cases, the torque required can vary greatly at different points in the cycle. For constant torque loads, this flucuation in torque is not a direct function of speed, as it is with a variable torque load.

Variable torque loads are governed by the affinity laws, which define the relationships between speed, flow, torque and horsepower. The diagram below illustrates these relationships:

1 0 0 %

7 5 %

5 0 %

2 5 %

0 %

				FLOW
				%
				TORQUE			HORSEPOWER
				%
						%
0 %		2 5 %		5 0 %			7 5 %		1 0 0 %

SPEED (%)

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Variable torque refers to the fact that the torque required varies with the square of the speed. Also, the horsepower required varies with the cube of the speed, resulting in a large reduction in horsepower for even a small reduction in speed. It is easily seen that substantial energy savings can be achieved by reducing the speed of a fan or pump. For example, reducing the speed to 50% results in a 50 HP motor having to produce only 12.5% of rated horsepower, or 6.25 HP.

There are two major differences between a constant torque drive and a variable torque drive. One is that a constant torque drive generally has a higher overload capacity rating. Constant torque loads have higher peak torque demands, which require the ability to handle higher currents. Variable torque loads rarely experience full load, and therefore usually have a lower overload capacity. The other difference is that constant torque drives follow a constant V/Hz ratio to achieve maximum torque, while variable torque drives follow a variable V/Hz ratio to optimize efficiency and energy savings.

6.2DRIVE FUNCTION DESCRIPTION

The QC Series is a 16 bit microprocessor based, keypad programmable, variable speed AC motor drive. There are four major sections; an input diode bridge and DC bus filter, a power board, a control board, and an output intelligent power module.

6.2.1DRIVE OPERATION

Incoming AC line voltage is converted to a pulsating DC voltage by the input diode bridge. The DC voltage is supplied to the bus filter capacitors through a charge circuit which limits inrush current to the capacitors during power-up. The pulsating DC voltage is filtered by the bus capacitors which reduces the ripple level. The filtered DC voltage enters the inverter section of the drive, composed of six output intelligent insulated gate bi-polar transistors (IGBT’s) which make up the three output legs of the drive. Each leg has one intelligent IGBT connected to the positive bus voltage and one connected to the negative bus voltage. Alternately switching on each leg, the intelligent IGBT produces an alternating voltage on each of the corresponding motor windings. By switching each output intelligent IGBT at a very high frequency (known as the carrier frequency) for varying time intervals, the inverter is able to produce a smooth, three phase, sinusoidal output current wave which optimizes motor performance.

6.2.2CIRCUIT DESCRIPTION

The control section consists of a control board with a 16 bit microprocessor, keypad and display. Drive programming is accomplished via the keypad or the serial communications port. During operation the drive can be controlled via the keypad, by control devices wired to the control terminal strip, or by the serial communications port. The Power Board contains the control and protection circuits which govern the six output IGBT’s. The Power Board also contains a charging circuit for the bus filter capacitors, a motor current feedback circuit, a voltage feedback circuit, and a fault signal circuit. The drive has several built in protection circuits. These include phase-to-phase and phase-to-ground short circuit protection, high and low line voltage protection, protection against excessive ambient temperature, and protection against continuous excessive output current. Activation of any of these circuits will cause the drive to shut down in a fault condition.

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6.2.3QC ANALOG INPUT SIGNALS

The QC Series drive allows for three speed reference input signals: speed potentiometer (10,000 Ohm), 4- 20 mA, or 0-10 VDC. For control by a speed pot., the wiper lead is connected to terminal TB-5A, and the high and low end leads are connected to terminals TB-6 and TB-2, respectively. For 4-20 mA control, wire the positive to terminal TB-5B and the negative to terminal TB-2. For 0-10 VDC control, wire the positive to terminal TB-5D and the negative to terminal TB-2. See the control wiring diagram in Section 15.0.

The input impedance of terminal TB-5A (speed pot input) is 100 kilohms, TB-5B (4-20 mA input) is 100 ohms, and TB-5D (0-10 VDC input) is 200 kilohms. Terminal TB-2 is circuit common.

The control voltage of the microprocessor control board is 24 VDC, (Isolated, referenced to circuit common - terminal TB-2).

6.2.4QC ANALOG OUTPUT SIGNALS

There are four terminals that can supply analog output signals proportional to output frequency or load. Terminal TB-10B can provide a 0-10 VDC signal proportional to frequency or load. Terminal TB-10C provides a 12 VDC pulse train proportional to frequency with a 40-50% duty cycle. Terminal TB-10D can provide a 4-20 mA signal proportional to frequency or load, and terminal TB-10E can provide a 0-10 VDC or 2-10 VDC signal proportional to frequency or load. The 2-10 VDC signal can be converted to a 4-20 mA signal using a resistor in series with the signal such that the total circuit resistance is 500 ohm. See Parameters: 50 - TB10B/D FUNCTION, and 53 - TB10E FUNCTION in Section 18.0 - DESCRIPTION OF PARAMETERS.

6.2.5QC STATUS OUTPUT RELAYS

The control board has two FORM C relays at terminals TB-16, 17, 18, and TB-19, 20, 21. TB-16 and TB-19 are normally open contacts, and TB-18 and TB-21 are normally closed contacts. TB-17 and TB-20 are common. Contacts are rated 2 amps at 28 VDC or 120 Vac.

There is also one open-collector output at terminal TB-14. The open-collector circuit is a current-sinking type rated at 30 VDC and 40 mA maximum.

The FORM C relays and the open-collector output can be programmed to indicate any of the following: NO FUNCTION, RUN, FAULT, FAULT LOCKOUT, AT SPEED, ABOVE SET SPEED, CURRENT LIMIT, FOLLOWER PRESENT, MAINTENANCE TARGET, AUTO SPEED MODE, or START PENDING. See Parameters: 121 - RELAY #1 FUNCTION, 122 - RELAY #2 FUNCTION, and 124 - TB14 FUNCTION, in Section 18.0 - DESCRIPTION OF PARAMETERS.

The following describes the functionality of the possible relay output settings:

NO FUNCTION	This setting disables the relay output.
RUN	The relay energizes when the drive is given a START command, and remains
	energized until: a STOP command is given and the output frequency has
	decelerated to 0.5 Hz, the drive has "tripped", or the input voltage is removed.
	Note that this relay indicates only that the drive is in the RUN mode. It does
	not necessarily indicate that the motor is turning.

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FAULT	The relay energizes when input voltage is applied to the drive and remains
	energized until the drive “trips” into a fault condition, or input voltage is
	removed.
FAULT LOCKOUT	This relay can be used when the drive is programmed to automatically restart
	after a fault. The relay energizes when input voltage is applied to the drive and
	remains energized until the drive has faulted and unsuccessfully attempted the
	number of restarts programmed in Parameter 72 - RESTART LIMIT, or input
	voltage is removed.
AT SPEED	The relay energizes when the drive reaches the commanded frequency. To avoid
	a “chattering” relay (constantly energizing and de-energizing) due to small
	fluctuations in speed, the relay will change states only when the speed has
	changed by + 3 Hz.
ABOVE SET SPD	ABOVE SET SPEED - The relay energizes when the output frequency of the
	drive exceeds the value in Parameter 123 – REL. SET SPD, and de-energizes
	when the output frequency is equal to or less than REL. SET SPD.
CURRENT LIMIT	The relay energizes when the drive is operating in current limit. Once the current
	limit relay is energized, it remains energized for a minimum of 500ms, regardless
	of whether the drive is still in current limit. At the end of the 500ms interval, the
	relay will de-energize if the drive is no longer in current limit. See Parameter 1 -
	CURRENT in Section 18.0 - DESCRIPTION OF PARAMETERS.
FOLLOWER PRES	FOLLOWER PRESENT - The relay energizes when the 4-20 mA speed
	reference input signal (TB-5B) is greater than 2 mA, and de-energizes when the
	signal falls below 2 mA.
MAINT. TARGET	MAINTENANCE TARGET - The relay energizes after the time period
	programmed in Parameter 132 - MAINTENANCE TARGET has elapsed. The
	relay will de-energize when a new time is programmed into Parameter 132.
AUTO SPEED MODE	The relay energizes when the drive is in the AUTOMATIC MODE, and de-
	energizes in the MANUAL MODE. This function is active only if Parameter 67
	- AUTO/MANUAL SELECT is set to AUTO/MANUAL SPEED or
	AUTO/MANUAL LOCAL. The relay will remain energized if Parameter 67 is
	set to AUTO SPEED. This function will not be active if Parameter 67 is set to
	MANUAL SPEED.
START PENDING	The relay will energize if the drive has faulted, and is programmed for automatic
	restart after a fault. START PENDING will appear on the keypad display when
	the drive is in this condition. The relay will de-energize after the delay
	programmed into Parameter 73 - RESTART DELAY, at which time the drive
	will attempt to restart.

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7.0INSTALLATION

WARNING!

DRIVES MUST NOT BE INSTALLED WHERE SUBJECTED TO ADVERSE ENVIRONMENTAL CONDITIONS! DRIVES MUST NOT BE INSTALLED WHERE SUBJECTED TO: COMBUSTIBLE, OILY, OR HAZARDOUS VAPORS OR DUST; EXCESSIVE MOISTURE OR DIRT; STRONG VIBRATION; EXCESSIVE AMBIENT TEMPERATURES. CONSULT AC TECHNOLOGY FOR MORE INFORMATION ON THE SUITABILITY OF A DRIVE TO A PARTICULAR ENVIRONMENT.

The drive should be mounted on a smooth vertical surface capable of safely supporting the unit without vibrating. The LCD display has an optimum field of view, this should be considered when determining the mounting position.

Chassis models must be installed in an electrical enclosure which will provide complete mechanical protection and maintain uniform internal temperature within the drive’s ambient operating temperature rating. All drive models MUST be mounted in a vertical position for proper heatsink cooling.

Maintain a minimum spacing around the drive of 4 inches for units rated 20 HP and below, 6 inches for units rated 25-50 HP, and 8 inches for units rated 60 HP and above.

Fans or blowers should be used to insure proper cooling in tight quarters. Do not mount drives above other drives or heat producing equipment that would impede the cooling of the drive. Note the ambient operating temperature ratings for each drive model.

If it is necessary to drill or cut the drive enclosure or panel, extreme care must be taken to avoid damaging drive components or contaminating the drive with metal fragments (which cause shorting of electrical circuits). Cover drive components with a clean cloth to keep out metal chips and other debris. Use a vacuum cleaner to clean drive components after drilling, even if chips do not appear to be present. Do not attempt to use positive air pressure to blow chips out of drive, as this tends to lodge debris under electronic components. Contaminating the drive with metal chips can cause drive failure and will void the warranty.

7.1INSTALLATION AFTER A LONG PERIOD OF STORAGE

WARNING!

Severe damage to the drive can result if it is operated after a long period of storage or inactivity without reforming the DC bus capacitors!

If input power has not been applied to the drive for a period of time exceeding one year (due to storage, etc), the electrolytic DC bus capacitors within the drive can change internally, resulting in excessive leakage current. This can result in premature failure of the capacitors if the drive is operated after such a long period of inactivity or storage.

In order to reform the capacitors and prepare the drive for operation after a long period of inactivity, apply input power to the drive for 2 hours prior to actually operating the drive/motor system.

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7.2EXPLOSION PROOF APPLICATIONS

Explosion proof motors that are not rated for inverter use lose their certification when used for variable speed. Due to the many areas of liability that may be encountered when dealing with these applications, the following statement of policy applies:

"AC Technology Corporation inverter products are sold with no warranty of fitness for a particular purpose or warranty of suitability for use with explosion proof motors. AC Technology Corporation accepts no responsibility for any direct, or incidental or consequential loss, cost, or damage that may arise through the use of its AC inverter products in these applications. The purchaser expressly agrees to assume all risk of any loss, cost, or damage that may arise from such application. AC Technology Corporation or AC Technology Corporation’s engineering department will not knowingly approve applications involving explosion proof motors."

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