CT111 series special inverter for water supply

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CT111 series special inverter for water supply


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  • * Integrated water supply dedicated logic, automatically determine the water supply mode.
  • * Clear water supply priority levels,achieving three water pumps at most driven by one inverter control.
  • * Intelligent sleep function, greatly improving the system efficiency.

Water supply delicated logic description:

CT111 is equipped with vectorized V/F control and constant pressure water supply dedicated logic, it can reach one inverter drives 3 pumps, and determine automatically amount of working pumps, thus getting water pressure constant all the time.


After enabling water supply specialized functions, constant water press set is needed.Inverter begins accelerate running when previous water press is lower than set water stress.After reached frequency point with added pump,if water pressure is still lower than (set water pressure percentage-Pressure tolerance with added pump),previous pump numbers are not so enough that adding pumps is needed.After arrival of delay time with added pump,relay operates and now inverter is running with added pump.
 
When previous water pressure is higher than set water pressure,the inverter begins to slow down.When it reduces to pump-reduced (sleep) frequency point,if water pressure is still higher than (set one pressure tolerance with pump reduced(sleep)) it shows that previous pumps amount is too much and pump number should be cut down.After arrival of delay time with pump reduced(sleep), relay operates with pump reduced.If the number of auxiliary pump is zero the inverter goes into sleep mode straightly.
 
Sleep function logic:when all the auxiliary pumps stop,inverter slows down if water pressure is still high.Inverter stays asleep automatically after running frequency is lower than pump-reduced frequency point,the keypads shows “sleep”.
 
Sleep awake logic: when the inverter stays asleep and water pressure is low,set frequency calculated by PID is higher than awake frequency setting,and the previous pressure is lower than (set water pressure percentage - awake pressure tolerance percentage),inverter running is needed.After awake delay time,inverter pump turns awake. 

 

CT111 serise inverter is based on CT100 series, the power level is same with CT110.

Inverter model

Power (kW)

Input current (A)

Output current (A)

Applicable motor power (kW)

Single-phase 220Vac 50/60Hz

CT110-2S-0.7G-B

0.75

8.2

4.5

0.75

CT110-2S-1.5G-B

1.5

14.0

7.0

1.5

CT110-2S-2.2G-B

2.2

23.0

10

2.2

Three-phase 380Vac 50/60Hz

CT110-4T-0.7G-B

0.75

3.4

2.5

0.75G

CT110-4T-1.5G-B

1.5

5.0

3.8

1.5G

CT110-4T-2.2G-B

2.2

5.8

5.3

2.2G

CT110-4T-4.0G/5.5P-B

4.0

12.0

9.5

4.0G

5.5

18.5

14

5.5P

CT110-4T-5.5G/7.5P-B

5.5

18.5

14

5.5G

7.5

22.5

18.5

7.5P

CT110-4T-7.5G/11P-B

7.5

22.5

18.5

7.5G

11

30.0

25.0

11P

CT110-4T-11G/15P-B

11

30.0

25.0

11G

15

39.0

32.0

15P

CT110-4T-15G/18.5P-B

15

39.0

32.0

15G

18.5

45.0

38.0

18.5P

CT110-4T-18.5G/22P-B

18.5

45.0

38.0

18.5G

22

54.0

45.0

22P

CT110-4T-22G/30P-B

22

54.0

45.0

22G

30

68.0

60.0

30P

CT110-4T-30G/37P-B

30

68.0

60.0

30G

37

84.0

75.0

37P

CT110-4T-37G/45P-B

37

84.0

75.0

37G

45

98.0

92.0

45P

CT110-4T-45G/55P

45

98.0

92.0

45G

55

123.0

115.0

55P

CT110-4T-55G/75P

55

123.0

115.0

55G

75

157.0

150.0

75P

CT110-4T-75G/90P

75

157.0

150.0

75G

90

188.0

180.0

90P

CT110-4T-90G/110P

90

188.0

180.0

90G

110

221.0

215.0

110P

CT110-4T-110G/132P

110

221.0

215.0

110G

132

267.0

260.0

132P

CT110-4T-132G/160P

132

267.0

260.0

132G

160

309.0

305.0

160P

CT110-4T-160G/185P

160

309.0

305.0

160G

185

344.0

340.0

185P

CT110-4T-185G/200P

185

344.0

340.0

185G

200

384.0

380.0

200P

CT110-4T-200G/220P

200

384.0

380.0

200G

220

429.0

425.0

220P

CT110-4T-220G/250P

220

429.0

425.0

220G

250

484.0

480.0

250P

CT110-4T-250G/280P

250

484.0

480.0

250G

280

539.0

530.0

280P

CT110-4T-280G/315P

280

539.0

530.0

280G

315

612.0

600.0

315P

CT110-4T-315G/355P

315

612.0

600.0

315G

355

Input and output parameters

Input voltage

1PH 220VAC±15%,

3PH 380VAC±15%.

Input frequency

50～60Hz±5%

Output voltage

0～Rated input voltage

Output frequency

0～600Hz

Technical control parameters

Control mode

V/F control

Adjustable-speed ratio

Vector V/F control 1: 100

Speed control accuracy

±0.5%

Starting frequency

0.00～10.00Hz

Overload capacity

150% of rated current: 60s;

180% of rated current: 10s;

200% of rated current: 1s

ACC and DEC time

0.1～3000.0s

Energy braking capacity

Operating voltage of braking unit: 320～750V

DC braking capability

DC braking frequency: 0～300Hz;

DC braking waiting time: 0～50s;

DC braking current: 0.0～100.0%;

DC braking time: 0.0～50.0s;

Frequency setting

Keypad setting, analog quantity setting,

multi-step speed setting, PID setting,

485 communication setting

Auto voltage adjustment

Keep a stable output voltage automatically when the grid voltage transients

Speed tracking

Start the rotating motor smoothly

Control terminals

Digital input

Standard 5-channel inputs

Analog input

Standard 2-channel inputs,AI0:0～10V keyboard knob, AIN: 0～10V or 0～20mA input optional.

Relay output

Standard 2-channel relay outputs

Communication interface

RS485 communication

RS485 communication interface for external RS485 communication,

Modbus protocol (RTU mode)

Fault protection

ACC over-current, DEC over-current, constant speed over-current, ACC over-voltage, DEC over-voltage, constant speed over-voltage, busbar under voltage, motor overload, inverter overload, input power failure, output phase loss, rectifier module overheating, inverter module overheating, external fault, communication fault, current detection fault, etc.

Keypad display

LED display

Highlight LED digital tube displays the inverter information

LCD display

LCD displays inverter information.

Others

Running environment

Indoors, less than 1km above sea level, without dust, corrosive gases or direct sunlight

Ambient temperature

-10～+40℃, derate 1% for every additional 1℃when the ambient temperature is between 40～50℃

Humidity

5～95% (no condensation)

Altitude

0～2000m, derate 1% for every additional 100m when the sea level is above 1000m

Vibration

Less than 0.5g

Storage temperature

−40～+70℃

Protection class

IP20

 

 

partner

    

ATIC ELECTRIC TECHNICAL CO., LTD

Address: 481/29 Nguyen Van Qua Street, Dong Hung Thuan Ward, HCM City, Vietnam
Phone: (+84) 282 253 4314  -  0909462075  -  Fax: (+84) 282 253 4315

Copyright © 2017 ATIC ELECTRIC TECHNICAL CO.,LTD.