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Analog or Digital Input

In “0-10V” mode, the circulator accepts either a 0-10VDC voltage signal or a PWM signal. 

The selection of the type of signal is made automatically by the circulator.

0-10VDC Input

The circulator operates at variable speed depending on the DC input voltage.

At voltages between 2 V and 10 V, the circulator operates at a variable speed depending on the voltage:

 

- Max. Speed voltage not exceeding or equal to 1V

 

- Max. Speed voltages greater than or equal to 10V

PWM (Pulse Width Modulation)

2V

4V

6V

8V

10V

0

140

100

120

80

40

20

60

2

0

4

6

8

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50

H

ead [f

t.]

0

2

4

6

8

10

12

14

16

18

20

22

24

26

28

0-10V

0-10V

Po

w

er (

W

)

2

4

6

8

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50

0

Flow Rate Q [GPM]

Flow Rate Q [GPM]

0026e High-Efficiency Circulator

0-10V DC Performance Curves

Power Consumption

0026e High-Efficiency Circulator

0-10V DC Curves

YELLOW LED

YELLOW LED

10V

8V

6V

4V

2V

100%

75%

50%

25%

0%

-10-

10V

2V

1V

0.5V

MIN

MAX

SPEED

Input Voltage

0-10V DC Input Mode:

The circulator will vary its speed and 

performance based on a 0-10V DC 

analog signal external input.

PWM (Pulse Width Modulation)

2V

4V

6V

8V

10V

0

140

100

120

80

40

20

60

2

0

4

6

8

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50

H

ead [f

t.]

0

2

4

6

8

10

12

14

16

18

20

22

24

26

28

0-10V

0-10V

Po

w

er (

W

)

2

4

6

8

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50

0

Flow Rate Q [GPM]

Flow Rate Q [GPM]

0026e High-Efficiency Circulator

0-10V DC Performance Curves

Power Consumption

0026e High-Efficiency Circulator

0-10V DC Curves

YELLOW LED

YELLOW LED

10V

8V

6V

4V

2V

100%

75%

50%

25%

0%

IMPORTANT: If the input remains disconnected, the circulator runs at max. speed

PWM Input

Circulator operates at variable speed according to digital 

input duty cycle. PWM digital input is shared with 0-10V DC 

analog input, the pump will automatically switch between 

different input protocols when it detects a constant  

frequency input signal. 0% and 100% PWM inputs are  

not valid and will be treated as an analog input.
PWM amplitude must be from 5 to 12V, frequency  

between 200Hz to 5kHz
Operations based on PWM input:
  - Standby for PWM below 5%

  - Min speed for PWM between 9-16%

  - Half speed for 50% PWM

  - Max speed for PWM in over 90%
Between 5% to 9% PWM the circulator remains in standby  

or run mode according to minimum threshold

90%

in

valid

in

valid

5% 9% 16%

0%

100%

SPEED

PWM input

Standby

-11-

Содержание 0026e

Страница 1: ...ier fit up Dual electrical knockouts and removable quick connect terminal strip for easy wiring Whisper quiet operation BIO Barrier protects the pump from system contaminants SureStart automatic unblocking and air purging mode Rotatable control cover to allow any pump body orientation INSTALLATION WARNING Do not use in swimming pool or spa areas Pump has not been investigated for these application...

Страница 2: ...NE 1 ZONE 2 ZONE 3 ZONE 1 ZONE 2 ZONE 3 FC FC Optional Location FC FC ZONE 1 ZONE 2 ZONE 3 FC FC Optional Location FC FC V3 V3 V3 V2 V2 V2 P P P EXPANSION TANK V1 V1 PV4 P EXPANSION TANK BOILER EXPANSION TANK BOILER V3 V2 P V3 V2 P V3 V2 P V3 V2 P V3 V2 P V3 V2 P V1 PV4 V1 Figure 2 PREFERRED PIPING FOR CIRCULATORS ON BOILER SUPPLY PREFERRED PIPING FOR CIRCULATORS ON BOILER RETURN PREFERRED PRIMARY...

Страница 3: ...NE 3 ZONE 1 ZONE 2 ZONE 3 ZONE 1 ZONE 2 ZONE 3 KEY V1 V2 V3 SHUT OFF ISOLATION VALVE P TACO 0026e CIRCULATOR FF FAST FILL BOILER FEED VALVE PV4 PURGE VALVE ZV ZONE VALVE MOD CON BOILER EXPANSION TANK EXPANSION TANK BOILER EXPANSION TANK BOILER Figure 3 PREFERRED PIPING FOR ZONE VALVES ON BOILER SUPPLY ALTERNATE PIPING FOR ZONE VALVES ON BOILER RETURN PREFERRED PRIMARY SECONDARY PIPING FOR ZONE VAL...

Страница 4: ...he system will result in immediate lubrication of the bearings It is always good practice to flush a new system of foreign matter before starting the circulator WARNING Risk of electric shock To reduce the risk of electric shock be certain that it is connected only to a properly grounded grounding type receptacle Follow all local electrical and plumbing codes AVERTISSEMENT Risque de choc électriqu...

Страница 5: ...hecirculatorfor0 10VDCOperation See Page 9 5 Start the circulator When purging the system it is recommended to run the circulator at full speed long enough to remove all remaining air from the bearing chamber This is especially important when installing the circulator in the off season Turn the dial to the HIGH setting for maximum fixed speed A blue LED will illuminate when the 0026e is powered on...

Страница 6: ...t on back page The 0026e has 5 Operating Settings activeADAPT Automatic self adjusting proportional pressure variable speed Violet LED LOW 8 feet of head constant pressure variable speed Orange LED MEDIUM 16 feet of head constant pressure variable speed Orange LED HIGH 26 feet of head max full fixed speed Blue LED 0 10V DC Analog external input or PWM pulse width modulation input from building con...

Страница 7: ... 16 18 20 22 24 26 28 30 32 34 36 38 50 40 42 44 46 48 Flow Rate Q GPM 0 4 6 2 8 10 12 14 16 18 20 22 24 26 28 Head ft 6 0026e High Efficiency Circulator activeADAPT Range Purple LED activeADAPT activeADAPT Mode activeADAPT is an operating mode designed for constant circulation systems On this setting the circulator will sense changes in system flow and head conditions and adjust the operating cur...

Страница 8: ...gh Efficiency Circulator Maximum Curve Fixed Speed Blue LED 2 0 Flow Rate Q GPM 0 2 4 6 8 10 12 Head ft 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 14 16 18 20 22 24 26 28 HIGH Head 26 ft 0026e High Efficiency Circulator Maximum Curve Fixed Speed Blue LED Fixed Speed Mode At High setting the circulator always operates at full speed ...

Страница 9: ...or external signal wiring 3 Disconnect the connector 4 from control board 5 4 Insert the cable 6 into the cable gland M12x1 5 7 and screw it to the cover 5 Strip the wires 5 mmMIN and insert them into the connector 4 then secure them with the screws 8 6 Re connect the connector 4 to the electronic board close the cover and secure it with the screws Figure 8 External connection for 0 10V DC PWM sig...

Страница 10: ... 10V DC analog signal external input PWM Pulse Width Modulation 2V 4V 6V 8V 10V 0 140 100 120 80 40 20 60 2 0 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 Head ft 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 0 10V 0 10V Power W 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 0 Flow Rate Q GPM Flow Rate Q GPM 0026e High Efficiency Circulator 0 10V DC Perfor...

Страница 11: ...e replaced FAULTS CONTROL PANEL CAUSE S E I D E M E R S The circulator is noisy LED on Suction pressure is insufficient cavitation Increase the system suction pressure within the permissible range LED on Presence of foreign bodies in the impeller Disassemble the motor and clean the impeller Loud noises of water circulation Flashing white LED Air in the system Circulator may be air bound Vent the s...

Страница 12: ...f its products without notification TACO OFFERS THIS WARRANTY IN LIEU OF ALL OTHER EXPRESS WARRANTIES ANY WARRANTY IMPLIED BY LAW INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS IS IN EFFECT ONLY FOR THE DURA TION OF THE EXPRESS WARRANTY SET FORTH IN THE FIRST PARAGRAPH ABOVE THE ABOVE WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR STATUTORY OR ANY OTHER WARRANTY OBLIGATION ON THE PA...

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