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USER INTERFACE BOARD
USER INTERFACE BOARD
1AS Controllers
Motor
HP
Voltage ➀
1AS15
230
½
200
230
¾
200
230
1
200
230
1½
200
230
2
200
230
3
200
230
5
200
HP
1Ø 2-Wire
CentriPro
Franklin
1
½
4.7/4.7
6
¾
6.4/6.2
8
1
9.1/8.1
9.8
1½
11.0/10.4
13.1
2
2
N/A
N/A
3
N/A
N/A
5
N/A
N/A
1. CentriPro 2-Wire motors have Generation 1 and Generation 2 amp ratings, see motor nameplate or motor data sticker that was supplied with motor.
2. Amps are higher than controller overload range - use of these motors will limit current and provide reduced performance.
Pressure
Controller
Indicator
Figure 3: UIB (User Interface Board)
Table 3: Controller, Breaker, Generator Sizing
Controller Model ➁
3AS20
3AS30
3AS50
Table 4: Service Factor Amps – All Motors
230 Volt
1Ø 3-Wire
Grundfos CentriPro
Franklin
6
6.3
6
8.4
8.3
8
9.8
9.7
9.8
13.1
11.1
11.5
2
N/A
12.2
13.2
2
N/A
N/A
N/A
N/A
N/A
N/A
3AS Controllers
Drive
Settings
Adjust
Status
Transducer
Input
Transducer
Jumper
Circuit
Generator ➃
Breaker ➂
(VA)
2200
15
2900
3500
20
4400
6100
30
8100
40
50
13300
Grundfos CentriPro
Franklin
6
N/A
8.4
3.9
9.8
4.7
11.6
6.1
13.2
7.6
2
N/A
10.1
N/A
17.5
Switch
Input
Indicator
➀ Supply voltage must be 196 VAC –
265 VAC.
➁ Shaded areas indicate which controller
models can be used with which motors.
Lighter shading indicates combinations
where controller will limit peak performance
to 85% of catalog value for pump/motor.
➂ Circuit Breaker or Dual Element Time Delay
Fuse Size (Amps) protecting branch circuit
supplying controller.
➃ Minimum size of single phase 240 V genera-
tor required.
200 Volt
3Ø
Grundfos CentriPro
N/A
N/A
N/A
3.8
N/A
4.5
4.7
N/A
5.5
5.9
7.3
7.2
8.1
8.7
8.8
10.9
12.2
12
17.8
19.8
20.2
2
2
Switch
Input
3Ø
Franklin
N/A
4.4
5.4
6.8
9.3
12.5
20.5
2
7
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