ITT IM213 manual Setting the Motor Overload Switches

Page 16

Starting the System

Section 7 (continued)

Setting the Motor Overload Switches

The Motor Overload Setting Switches adjust the level of motor overload current protection necessary to protect the motor in case of an over current condition.

Bank 1 switches 1, 2 and 3 allow adjustment of the motor overload setting. These switches adjust the motor overload protection as a percentage of the full load output current rating of the controller. Choose a motor overload setting that meets or is less than the motor’s SFA rating. For example, if the full load output current rating of the controller is 37A and the motor SFA rating is 33A, the motor overload setting should be set to 85% (33A/37A = 89%, next lowest setting is 85%).

In applications where the pump and motor are not used to the full capacity the system may not draw current close to the motor’s SFA rating. In this case choose a motor overload setting that is close to the actual full load running current.

Note

If single phase input power is used the motor overload switches must be set to 50% or lower or nuisance input phase loss errors can result.

The chart below shows the motor overload setting for each model.

 

 

 

 

 

 

 

Motor Overload Setting

 

 

 

Supply

Frame

Model

100%

95%

90%

85%

80%

70%

50%

40%

Voltage

Size

Number

 

 

 

 

 

 

 

 

 

 

1

SPD20050

 

17.8

16.9

16.0

15.1

14.2

12.5

8.9

7.1

 

SPD20050F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPD20075

 

26.4

25.1

23.8

22.4

21.1

18.5

13.2

10.6

 

2

SPD20075F

 

 

 

 

 

 

 

 

 

 

 

 

SPD20100

 

37.0

35.2

33.3

31.5

29.6

25.9

18.5

14.8

 

 

 

 

 

SPD20100F

 

 

 

 

 

 

 

 

 

 

 

 

208/230

 

SPD20150

 

47.4

45.0

42.7

40.3

37.9

33.2

23.7

19.0

3

SPD20150F

 

 

 

 

 

 

 

 

 

 

 

 

SPD20200

 

60.6

57.6

54.5

51.5

48.5

42.4

30.3

24.2

 

 

 

 

 

SPD20200F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPD20250

 

76.0

72.2

68.4

64.6

60.8

53.2

38.0

30.4

 

4

SPD20250F

 

 

 

 

 

 

 

 

 

 

 

 

SPD20300

 

94.0

89.3

84.6

79.9

75.2

65.8

47.0

37.6

 

 

 

 

 

SPD20300F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPD40050

 

8.9

8.5

8.0

7.6

7.1

6.2

4.5

3.6

 

1

SPD40050F

 

 

 

 

 

 

 

 

 

 

 

 

SPD40075

 

13.2

12.5

11.9

11.2

10.6

9.2

6.6

5.3

 

 

 

 

 

SPD40075F

 

 

 

 

 

 

 

 

 

 

 

 

460

 

SPD40100

 

18.5

17.6

16.7

15.7

14.8

13.0

9.3

7.4

 

SPD40100F

 

 

 

 

 

 

 

 

 

 

 

 

 

2

SPD40150

 

23.7

22.5

21.3

20.1

19.0

16.6

11.9

9.5

 

SPD40150F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPD40200

 

30.3

28.8

27.3

25.8

24.2

21.2

15.2

12.1

 

 

SPD40200F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPD40250

 

37.5

35.6

33.8

31.9

30.0

26.3

18.8

15.0

 

3

SPD40250F

 

 

 

 

 

 

 

 

 

 

 

 

SPD40300

 

47.0

44.7

42.3

40.0

37.6

32.9

23.5

18.8

 

 

 

 

 

SPD40300F

 

 

 

 

 

 

 

 

 

 

 

 

16

Page 15 Page 17
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Page 15 Page 17
Contents ITT IM213 Commercial WaterIndex Safety Instructions DeathSystem Components Controller Product Code InformationHP = Volt =System Design Fusible DisconnectDiagram #2 shows a set-up for municipal water connection SectionInstalling the Pressure Sensor PipingGeneral Pressure Tank, Pressure Relief Valve and Discharge PipingMounting the Controller Power Supply Power Supply and WiringDelta/Wye with grounded Wye neutral Delta/Delta with grounded leg Ungrounded secondaryOpen Delta consult factory Resistance grounding and ground fault protectionFor Frame Size 1 Controllers 208/230 Single Phase Connection460 Conduit, Wire and Fuse Sizing 20ºC 30ºC 40ºC 50ºCOutput Power Connections Input Power and Line Transformer RequirementsStarting the System Input Power Connections Setting the Motor Overload Switches Chart below shows the motor overload setting for each modelSetting the Acceleration/Deceleration Switches Setting the No Water Restart Time SwitchesSetting the Minimum Frequency Switch Setting the Carrier Frequency SwitchMotor Rotation Direction Setting the PressureSystem Status Input and Output Functions Troubleshooting Use the following table to help troubleshoot problemsSwitch StandbyConstant Controller Error Power. If the error persists, replace controllerThis fault can be caused by Incorrect setting of Motor Overload Setting switchesConnect the black lead from the meter to terminal Set the meter to read DC current mASensor cable Blinks Temperature This fault can be caused by Temperature reaches 104 ºF 40ºCMegger readings To 50% or lowerGreater than 275V for 230V units and 560V for 460V units 10Hz for 5 minutesController Dimensions Appendix Input Wire Sizing Charts InputPage IM213 Revision Number November

IM213 specifications

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