Section 7

DIAGNOSTIC TESTS

TEST 4 RESULTS

 

A

B

C

D

E

F

G

 

 

 

 

 

 

 

 

 

 

VOLTAGE RESULTS

ABOVE

ABOVE

BELOW

ZERO OR

BELOW

BELOW

ABOVE

 

WIRE 2 & 6

60 VAC

60 VAC

60 VAC

RESIDUAL

 

60 VAC

60 VAC

 

EXCITATION WINDING

 

 

 

VOLTAGE

 

 

 

 

 

 

 

 

(5-12 VAC)

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE RESULTS

ABOVE

BELOW

ABOVE

ZERO OR

BELOW

BELOW

ABOVE

 

WIRE 11S & 22S

60 VAC

60 VAC

60 VAC

RESIDUAL

 

60 VAC

60 VAC

 

POWER WINDING

 

 

 

VOLTAGE

 

 

 

 

SENSE LEADS

 

 

 

(5-12 VAC)

 

 

 

 

 

 

 

 

 

 

 

 

 

ROTOR AMP DRAW

1.1 A

1.1 A

1.1 A

ZERO

1.4 A

.85 A

ZERO

 

RV45

± 20%

± 20%

± 20%

CURRENT

 

± 20%

CURRENT

 

(MODEL 5410/5411)

 

 

 

DRAW

 

 

DRAW

 

 

 

 

 

 

 

 

 

 

ROTOR AMP DRAW

.85 A

.85 A

.85 A

ZERO

1.2 A

.85 A

ZERO

 

RV55

± 20%

± 20%

± 20%

CURRENT

 

± 20%

CURRENT

 

(MODEL 5412/5413)

 

 

 

DRAW

 

 

DRAW

 

 

 

 

 

 

 

 

 

 

ROTOR AMP DRAW

1.2 A

1.2 A

1.2 A

ZERO

1.5 A

1.2 A

ZERO

 

RV65

± 20%

± 20%

± 20%

CURRENT

 

± 20%

CURRENT

 

(MODEL 5414/5415)

 

 

 

DRAW

 

 

DRAW

 

 

 

 

 

 

 

 

 

 

(MATCH RESULTS WITH LETTER AND REFER TO FLOW CHART – Problem 2 on Pages 28 & 29)

105 VAC

RED TEST LEAD

VOLTAGE

REGULATOR

BLACK TEST LEAD

2

6

0

13 13

15

22S

 

JUMPER WIRE

11S

FUSE HOLDER (F1)

4

WIRES 4 REMOVED FROM

 

 

4VOLTAGE REGULATOR

RED TEST LEAD

95 VAC

BLACK TEST LEAD

VOLTAGE

REGULATOR

 

 

 

2

 

 

 

6

 

 

 

0

13

13

 

 

15

 

 

 

 

JUMPER WIRE

 

 

 

 

 

22S

 

 

 

11S

FUSE HOLDER (F1)

4

WIRES 4 REMOVED FROM

4VOLTAGE REGULATOR

Figure 7-4. – Fixed Excitation Test, Step B

Figure 7-5. – Fixed Excitation Test, Step C

4.Disconnect Wire 2 from the Voltage Regulator (VR) and connect one meter test lead to that wire. Disconnect Wire 6 from the Voltage Regulator and connect the other meter test lead to that wire. See Figure 7-4. Start the generator and measure the AC voltage. It should be above 60 volts. Record the results and stop the generator.

5.Re-connect Wire 2 and Wire 6 to the Voltage Regulator.

6.Disconnect Wire 11S from the Voltage Regulator (VR) and connect one meter test lead to that wire. Disconnect Wire 22S from the Voltage Regulator and connect the other meter test lead to that wire. See Figure 7-5. Start the generator and mea- sure the AC voltage. It should be above 60 volts. Record the results and stop the generator.

Page 38

Page 40
Image 40
Generac Power Systems 5414, 5412, 5411, 5413, 5415, 5410 manual Fixed Excitation Test, Step B

5410, 5414, 5415, 5413, 5411 specifications

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