Power-Tronics XC14 Manual

Automatic voltage regulator commercial series
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Specifications
Input/Sensing Voltage:
Frequency:
Voltage Regulation:
Parallel Operation
Continuous Rated Output Voltage:
Maximum Forcing Output Voltage
Rated Continuous Output Amps:
Minimum Field Resistance:
Min Residual Build up Voltage:
Internal Auto Battery Flash
(XC15
Under Frequency Protection:
Physical Size:
Weight:
Internal Protection:
Fuse Type:
External Voltage Adjustment:
System Operating Indicator:
Integrated 0-10VDC / 4-20mA Interface:
© 2019 Power-Tronics, Inc.
120 - 240vac
50 or 60 Hz
± .5% From NL to FL
Yes
32vdc @ 120vac input
63vdc @ 240vac input
52vdc @ 120vac input
105vdc @ 240vac input
12adc
2.5Ω @ 120vac input
5Ω @ 240vac input
3.5vac
only):
12/24vdc
Yes, VPH reduction
7.25 x 4.75 x 3.5 in.
1.5 lb.
Fuses, cartridge type
Main: 3AG 20A @ 250V
Flash: GDB 5A @ 250V
Yes
Yes
Yes
XC14 / XC15
Commercial Series
Automatic Voltage Regulator
The Power-Tronics XC14 and XC15 voltage
regulators are a self-contained, highly integrated,
heavy-duty voltage regulator designed for
demanding applications and extremely flexible
installations. Continuous output is rated at
32/63VDC @ 12ADC with forcing output up to
52/105VDC @ 20ADC!
The modern generator service technician is often
presented with a variety of generator applications,
all of which require different voltage regulators,
features, or buildup considerations. The XC15 is
explicitly designed with the service technician in
mind, packing an impressive collection of features
in a compact and reliable package with simple
installation and setup instructions!
Standard integrated features of the XC14 and
XC15 include onboard fusing, heavy duty rectifier
section, integrated 0-10V at 4-20mA control
interface, built in paralleling provisions, and a
durable voltage regulator. The XC15 adds
integrated battery buildup provisions.
Over 30 years of design refinement makes the
XC14 and XC15 a durable design, utilizing high-
reliability components and a simple layout. Our
products are designed to provide a lifetime of
service and is specifically built to minimize
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 XC14 and
XC15 an ideal aftermarket replacement AVR for
applications such as Caterpillar, EM, GE,
Generac, Mecc-Alte, Marelli, Shindaiwa, MQ,
Kubota, Onan Magnaciters, Leroy-Somer, SDMO,
and many others!

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Summary of Contents for Power-Tronics XC14

  • Page 1 The XC15 adds integrated battery buildup provisions. Over 30 years of design refinement makes the XC14 and XC15 a durable design, utilizing high- Specifications reliability components and a simple layout. Our products are designed to provide a lifetime of...
  • Page 2: Table Of Contents

    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 Warranty Form:..................17 Product Warranty Certificate:..................18 © 2019 Power-Tronics, Inc.
  • Page 3: Introduction And Functional Description

    (It can give a false reading!) Functional Description The XC14 and XC15 Voltage regulators 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.
  • Page 4: Determining Application Sizing

    XC14/XC15 is the correct product for your application. To determine if the XC14/XC15 is the correct product for your generator you need to know any two of the following 3 specifications from the rating plate of your generator:...
  • Page 5 R is your measured field resistance. Using the values you just measured and calculated, see the specifications on the previous page to determine whether the XC14/XC15 is the correct product for your application. © 2019 Power-Tronics, Inc.
  • Page 6: Common 12-Lead Generator Terminal Diagrams

    Voltage L1/L2-N: 120V Preferred Single-Phase Connection. Voltage L3 – N: 208V Don’t Use Zig-Zag if Possible. NOTE: L3-N is a “High Leg” NOTE: Derate generator by 1/3 rated 208V instead of 120V! capacity when using this connection! © 2019 Power-Tronics, Inc.
  • Page 7: Iso Standard" 12-Lead Generator Terminal Diagrams

    Voltage U/W-N: 120V Preferred Single-Phase Connection. Voltage V – N: 208V Don’t Use Zig-Zag if Possible. NOTE: V-N is a “High Leg” NOTE: Derate generator by 1/3 rated 208V instead of 120V! capacity when using this connection! © 2019 Power-Tronics, Inc.
  • Page 8: 120V Input Power & Field Connection Diagram

    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.
  • Page 9: 240V Input Power & Field Connection Diagram

    480-240V step-down transformer rated at 1.5KVA or connect 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.
  • Page 10: Current Transformer Wiring Diagram (Paralleled Generators)

    Current Transformer Wiring Diagram For Paralleled Generators To use the XC14/XC15 Voltage regulator in a parallel configuration either with another generator or with a buss such as a utility, use the diagram below for proper hookup with the XC14/XC15. Power and field wiring is shown on Pages 8 and 9.
  • Page 11: Fully Automatic Remote Adjustment Wiring Diagram

    Fully Automatic Remote Adjustment Wiring Diagram This 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 NOTE: Colored Wires are for ease of identification in...
  • Page 12: Automatic / Manual Selectable Remote Adjustment Wiring Diagram

    Automatic / Manual Selectable Remote Adjustment Wiring Diagram This 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. Switch Position: Automatic 100KΩ @ 2w Manual "...
  • Page 13: Integrated Battery Flash Wiring Diagram (Xc15 Only)

    NOTE: Pushbutton, Momentary Toggle Switch, Relay Contact, or Oil Pressure Switch. Do Not Omit Switch! NOTE: Connect to 12 or 24 terminal based on 12V or 24V battery voltage © 2019 Power-Tronics, Inc.
  • Page 14: Initial Setup And Commissioning

    Air circulation by natural convection or forced ventilation is crucial for a long service life! If installing the XC14/XC15 on a brush-type generator, verify that the brushes and brush riggings are isolated, ungrounded, and connected ONLY to the XC14/XC15. Remove any ground straps from the brush holders, if present.
  • Page 15: Application Troubleshooting

    22. Damaged, pitted, or grooved slip ring surface. 23. Current transformer has reversed polarity or is not shorted during non-parallel operation. 24. Input to regulator is from an auxiliary winding and not the generator main stator. © 2019 Power-Tronics, Inc.
  • Page 16: Bench Check Procedures

    Dimly. Input 120-240VAC fused at no more than 5A into the XC14/XC15. The test light should turn OFF. Slowly turn the internal voltage adjustment Clockwise (Right) until the light glows. The test light should light to HALF Brightness.
  • Page 17: Installation Warranty Form

    It is very important that you fill out this form completely when installing a voltage regulator. This form serves as a history record on the application. This form also contains the information needed by Power-Tronics, Inc., for repair and troubleshooting of any product you may be having problems with.
  • Page 18: Product Warranty Certificate

    These problems should be protected with external devices provided by the customer such as fuses, surge suppressors, over/under voltage and frequency controls. Power-Tronics, Inc., warranties only parts and workmanship of this product for a period of 1 year from the original date of purchase from Power-Tronics, Inc. Under warranty, Power- Tronics, Inc.

This manual is also suitable for:

Xc15

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