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© 2019 Power-Tronics, Inc. 

16 

 

Bench Check Procedures 

 

1. 

Wire up the XC14/XC15

 

as shown in the figure below. 

 
2. 

Connect up one 120 volt 50 to 150 watt incandescent light bulb to the F+ and F- Terminals. 

 
3. 

Install a temporary jumper wire between terminals X and Y. 

 
4. 

Turn the internal voltage adjustment (blue potentiometer) fully Counter-Clockwise (Left) before 
beginning the testing procedures below. 

 
5. 

XC15 Models Only:

  

Close the battery switch (or connect the battery leads).  

After roughly 1 

second

 t

he test light should be 

ON 

Dimly

 
6. 

Input 120-240VAC fused at no more than 5A into the XC14/XC15.  

The test light should turn 

OFF

 
7. 

Slowly

 turn the internal voltage adjustment Clockwise (Right) until the light glows.  

The test light 

should light to 

HALF

 Brightness.  

NOTE:  It may take several turns of the adjustment screw 

before the lights illuminate!

 

 
8. 

Slowly turn the internal voltage adjustment Counter-Clockwise (Left) until the lights go dark.  

The test 

light should be 

OFF

.  

NOTE:  It may take several turns of the adjustment screw before the 

lights go dark!

 

 
9. 

Turn off AC power and disconnect the XC14/XC15 from your AC power source.  

XC15 Models Only:

 

After roughly 1 second

 t

he test light should be 

ON 

Dimly

.

 

 

10. 

XC15 Models Only:  

Open the battery switch (or disconnect the battery leads).  

The test light 

should be 

OFF

 

11. 

If you were able to successfully perform all of these tests, the XC14/XC15 is good.

 

 
 
 
 
 
 
 
 

 

120V 50-150W 

Incandescent 

Fuse Replacement Information: 

Battery Flash 

(XC15 Only)

:  

 

Rating:  5A @ 250VAC 

 

Qty:

 2 

 

PTI Part # 

5R3-403 

 

Cooper–Bussman Part #

 BK/GDB-5A 

 

 

 

XC14/XC15 Main: 
 

Rating:  20A @ 250VAC 

 

Qty: 1 

 

PTI Part # 

5R3-628

 

 

Littelfuse Part #

 0314020.MXP 

Jumper

 

NOTE: 

Connect to 12 or 24 

terminal based on 

12V or 24V battery 

voltage

 

 

XC15 Only! 

120-240VAC 
Fused @ 5A  

Содержание XC14

Страница 1: ...imize failures and potential downtime The XC14 and XC15 are capable of parallel operation with other generators or with a utility buss The integrated 0 10VDC or 4 20mA interface allows a wide variety of VAR PF or other PLC controls to remotely control the unit for extreme accuracy and unattended installations A heavy duty rectifier section oversized heatsink and flexible hookup design makes the XC...

Страница 2: ...ection Diagram 8 240V Input Power Field Connection Diagram 9 Current Transformer Wiring Diagram Paralleled Generators 10 Fully Automatic Remote Adjustment Wiring Diagram 11 Automatic Manual Selectable Remote Adjustment Wiring Diagram 12 Integrated Battery Flash Wiring Diagram XC15 only 13 Initial Setup and Commissioning 14 Application Troubleshooting 15 Bench Check Procedures 16 Installation Warra...

Страница 3: ...gulators are the result of over 30 years of engineering efforts and offers high demand features at a competitive price point The XC14 XC15 is a time and field proven design based upon the Power Tronics XR8 and SEM250A and is engineered to greatly simplify setup while offering extreme reliability When properly installed the XC14 and XC15 Voltage regulators are designed to provide a lifetime of serv...

Страница 4: ...e specifications obtained from your generator exciter verify that your generator fits the specifications below Exciter Field Resistance 2 5Ω Exciter Full Load Voltage 32VDC Use 120V Connection See Page 8 Exciter Field Resistance 5Ω Exciter Full Load Voltage 63VDC Use 240V Connection See Page 10 WARNING BRUSH AND SLIP RING CONNECTION PROBLEMS ARE THE 1 SOURCE OF VOLTAGE CONTROL PROBLEMS AND FAILURE...

Страница 5: ...ng to determine your exciter specs please see the section below for instructions on measuring and calculating your exciter specifications Measure your exciter field resistance using a multimeter on your field leads Record this value If you have a brush type generator also take a resistance reading on your slip rings the value you obtain on the slip rings should be no more than 1 difference from th...

Страница 6: ...tage L L 208 240V Voltage L N 120 139V NOTE 208V is Standard Voltage Series Delta 240V 3ø Voltage L L 240V Voltage L1 L2 N 120V Voltage L3 N 208V NOTE L3 N is a High Leg 208V instead of 120V Double Delta 120 240V 1ø Voltage L L 240V Voltage L N 120V Preferred Single Phase Connection Don t Use Zig Zag if Possible NOTE Derate generator by 1 3 rated capacity when using this connection ...

Страница 7: ... Voltage U W 208 240V Voltage U N 120 139V NOTE 208V is Standard Voltage Series Delta 240V 3ø Voltage U W 240V Voltage U W N 120V Voltage V N 208V NOTE V N is a High Leg 208V instead of 120V Double Delta 120 240V 1ø Voltage U W 240V Voltage U W N 120V Preferred Single Phase Connection Don t Use Zig Zag if Possible NOTE Derate generator by 1 3 rated capacity when using this connection ...

Страница 8: ...regulator to the winding center taps T7 and T0 See Pages 6 and 7 Using a transformer to connect the input of the XC14 XC15 to 2 different phases of the generator will result in greater regulation accuracy than when connecting line neutral Diagram Assumes a 208 240V Generator For 480V Generators use a 1KVA or larger Transformer with a 120V Secondary OR Connect to the Generator winding center taps a...

Страница 9: ...nect the regulator to the winding center taps T7 and T9 See Pages 6 and 7 Connecting the input of the XC14 XC15 to 2 different phases of the generator will result in greater regulation accuracy than when connecting line neutral Diagram Assumes a 208 240V Generator For 480V Generators use a 1 5KVA or larger Transformer with a 240V Secondary OR Connect to the Generator winding center taps at T7 and ...

Страница 10: ...Reactive Droop compensation method This allows our products to parallel with existing systems easily while also allowing islanded operation with the flip of a switch When initially installing the droop resistor set it for approximately 7Ω before final adjustment later If the droop is excessive when load testing reduce the resistance a bit at a time until satisfactory droop is achieved CT should be...

Страница 11: ...his wiring diagram shows ONLY the control wiring configuration for fully automatic Remote Control of the XC14 XC15 Power wiring is shown on Pages 8 and 9 0 10VDC or 4 20mA Control Signal NOTE Colored Wires are for ease of identification in this drawing only they are not required ...

Страница 12: ...NLY the control wiring configuration for fully automatic Remote Control of the XC14 XC15 Power wiring is shown on Pages 8 and 9 0 10VDC or 4 20mA Control Signal NOTE Colored Wires are for ease of identification in this drawing only they are not required 100KΩ 2w DPDT Switch or Relay Switch Position Automatic Manual ...

Страница 13: ... Control wiring diagrams are shown on Pages 8 12 The XC15 contains a solid state buildup circuit for traditional residual voltage buildup from 3 5VAC at terminals AC1 and AC2 Connecting the battery flash is not required if sufficient residual voltage is present the regulator will build itself up NOTE Connect to 12 or 24 terminal based on 12V or 24V battery voltage NOTE Pushbutton Momentary Toggle ...

Страница 14: ... by turning the adjustment screw clockwise right Note that the voltage adjustment is a 25 turn pot 9 Place the generator on line and observe the frequency and voltage 10 If the generator is being paralleled measure the droop during loading and adjust the droop resistor as necessary Reducing droop resistor resistance will reduce droop NOTE Loading the generator with a purely resistive load bank may...

Страница 15: ... voltage regulator 7 Loose wiring connections 8 Input voltage to regulator is too low 9 Exciter field is grounded 10 Non linear load or wrong selection for regulator hookup 11 Exciter fields are reversed 12 Wrong selection of regulator wiring configuration 13 Defective voltage regulator 14 SCR or Inverter drive effecting generator waveform 15 Regulator needs battery flashing circuit 16 Isolation t...

Страница 16: ...take several turns of the adjustment screw before the lights illuminate 8 Slowly turn the internal voltage adjustment Counter Clockwise Left until the lights go dark The test light should be OFF NOTE It may take several turns of the adjustment screw before the lights go dark 9 Turn off AC power and disconnect the XC14 XC15 from your AC power source XC15 Models Only After roughly 1 second the test ...

Страница 17: ...blem Description History Please be detailed Ship To Address City State Zip Country Company Name Contact Person Telephone Number Email Address Primary Load Please Explain Repair Warranty Request Information Generator Leads Check One 12 10 6 4 3ø 4 1ø 3 Generator Wiring Mode Check One High Wye Low Wye Series Delta Zig Zag Double Delta Single Phase Other Terminal Voltage Residual AC Voltage Rated KW ...

Страница 18: ...the defective part A repair request form must be sent in with the product before repairs will begin You can obtain this form by contacting Power Tronics Inc Send repairs to Power Tronics Inc 2802 Cobbler Ln Kerrville Texas USA 78028 Send in repairs only by UPS or FedEx USPS will NOT deliver to our facility Any one of the following conditions will void the warranty Overheating of the power supply r...

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