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Xylem CentriPro Aquavar SPD Instrucciones De Instalación, Funcionamiento Y Mantenimiento página 16

Control de bomba de velocidad variable

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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.
Supply
Frame
Model
Voltage
Size
Number
SPD20050
1
SPD20050F
SPD20075
SPD20075F
2
SPD20100
SPD20100F
SPD20150
208/230
SPD20150F
3
SPD20200
SPD20200F
SPD20250
SPD20250F
4
SPD20300
SPD20300F
SPD40050
SPD40050F
1
SPD40075
SPD40075F
SPD40100
SPD40100F
SPD40150
460
2
SPD40150F
SPD40200
SPD40200F
SPD40250
SPD40250F
3
SPD40300
SPD40300F
Page 16
100%
95%
90%
17.8
16.9
16.0
26.4
25.1
23.8
37.0
35.2
33.3
47.4
45.0
42.7
60.6
57.6
54.5
76.0
72.2
68.4
94.0
89.3
84.6
8.9
8.5
8.0
13.2
12.5
11.9
18.5
17.6
16.7
23.7
22.5
21.3
30.3
28.8
27.3
37.5
35.6
33.8
47.0
44.7
42.3
Motor Overload Setting
85%
80%
15.1
14.2
22.4
21.1
31.5
29.6
40.3
37.9
51.5
48.5
64.6
60.8
79.9
75.2
7.6
7.1
11.2
10.6
15.7
14.8
20.1
19.0
25.8
24.2
31.9
30.0
40.0
37.6
70%
50%
40%
12.5
8.9
7.1
18.5
13.2
10.6
25.9
18.5
14.8
33.2
23.7
19.0
42.4
30.3
24.2
53.2
38.0
30.4
65.8
47.0
37.6
6.2
4.5
3.6
9.2
6.6
5.3
13.0
9.3
7.4
16.6
11.9
9.5
21.2
15.2
12.1
26.3
18.8
15.0
32.9
23.5
18.8

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