Generac Power Systems HTS Wn Owner's Manual
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Generac Power Systems HTS Wn Owner's Manual

Automatic transfer switch 600 through 2600 amp, 600 volts
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Owner's Manual
HTS "Wn" Type
Automatic
Transfer Switch
600 through 2600 Amp,
600 Volts
This manual should remain with the unit.

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Summary of Contents for Generac Power Systems HTS Wn

  • Page 1 Owner’s Manual HTS “Wn” Type Automatic Transfer Switch 600 through 2600 Amp, 600 Volts This manual should remain with the unit.
  • Page 2 IMPORTANT SAFETY INSTRUCTIONS   Read the following information carefully before attempting to install, operate or service this equip- ment. Also read the instructions and information on tags, decals, and labels that may be affixed to the transfer switch. Replace any decal or label that is no longer legible. ...

  • Page 3: Table Of Contents

    Table of Contents Safety Rules ........Inside Front Cover • Never handle any kind of electrical device while standing in water, while barefoot, or while hands or feet are wet. DANGEROUS ELECTRICAL SHOCK MAY RESULT. Section 1 — General Information ......2 •...

  • Page 4: Section 1 - General Information

    Section 1 — General Information HTS “Wn” Type Transfer Switch INTRODUCTION The TVSS is made up of multiple solid state Metal Oxide Varistors (MOV) connected in parallel for each mode of protection. These This manual has been prepared especially for the purpose of famil- devices are equipped with integrated short circuit and individual iarizing personnel with the design, application, installation, opera- component level fusing.

  • Page 5: Communications

    Section 1 — General Information HTS “Wn” Type Transfer Switch OPERATION WITH LOSS OF For the power source to be available, the associated service dis- connect circuit breaker must be ON, the associated TVSS discon- COMMUNICATIONS nect circuit breaker must be ON and the associated source must Local control means that if the generator is running and there is no be present.

  • Page 6: Section 2 - Installation

    Section 2 — Installation HTS “Wn” Type Transfer Switch CONNECTING POWER SOURCE NOTE: It is essential to use the latest version of any standard to ensure AND LOAD LINES correct and current information. DANGER INTRODUCTION TO INSTALLATION  Make sure to turn OFF both the NORMAL (UTILITY) and STANDBY (EMERGENCY) power This equipment has been wired and tested at the factory.

  • Page 7: Connecting Controller Communication Wires

    Section 2 — Installation HTS “Wn” Type Transfer Switch 2.6.1 DIP SWITCH 1 NOTE: Unless otherwise specified, a NEUTRAL block is not supplied Voltage Codes with the transfer switch on single phase, 3-pole units where the NEUTRAL line is to be switched during transfer action. Similarly, THREE PHASE DIP SWITCH SELECTED a NEUTRAL block is not supplied on 3-phase, 4-pole units where Code...

  • Page 8: Programming

    Section 2 — Installation HTS “Wn” Type Transfer Switch AUXILIARY CONTACTS 2.6.2 DIP SWITCH 2 It is possible to add Auxiliary Contacts on the transfer switch to • 60/50 Hz - Dip2 - switch 1: Set this switch to ON for a 60Hz operate customer accessories, remote advisory lights, or remote system.

  • Page 9: Section 3 - Operation

    Section 3 — Operation HTS “Wn” Type Transfer Switch FUNCTIONAL TESTS AND A manual HANDLE is shipped with the transfer switch. Manual operation must be checked BEFORE the transfer switch is operated ADJUSTMENTS electrically. To check manual operation, proceed as follows: Following transfer switch installation and interconnection, inspect In the transfer switch enclosure, set the Maintenance the entire installation carefully.

  • Page 10: Voltage Checks

    Section 3 — Operation HTS “Wn” Type Transfer Switch 3.2.1 CLOSE TO NORMAL SOURCE SIDE Perform voltage checks as follows: Inside the transfer switch enclosure, set the Maintenance Before proceeding, verify the position of the switch by observing Disconnect switch to MANUAL. window “A”...

  • Page 11: Electrical Operation

    Section 3 — Operation HTS “Wn” Type Transfer Switch 10. Turn ON the STANDBY (EMERGENCY) power supply to the Press the “TEST” button again to initiate the retransfer transfer switch by whatever means provided (such as the sequence. The customer LOAD will be transferred back to the main line circuit breaker).

  • Page 12: Sequence Of Operation

    Section 3 — Operation HTS “Wn” Type Transfer Switch 3.7.1 SYSTEM READY LED 3.7.6 FAST TEST BUTTON The "System Ready LED" is lit if the Gxxx or Hxxx panel is in Auto, The Fast Test button will only operate if the communications link there are no transfer errors (excluding comm's error or fail to is active.
  • Page 13 Section 3 — Operation HTS “Wn” Type Transfer Switch 3.8.2 SEQUENCE 2 - LINE INTERRUPT DELAY 3.8.6 SEQUENCE 6 - UTILITY VOLTAGE PICKUP • Line interrupt Delay can be set between 0 and 60 seconds. • The ATS controller continues to monitor the Utility source volt- Factory default setting is 2 seconds.

  • Page 14: Transfer Switch Options

    Section 3 — Operation HTS “Wn” Type Transfer Switch 3.8.10 SEQUENCE 10 - ENGINE COOLDOWN TIMER NOTE: This delay is not active on a Normal source failure. Transfer • Engine Cooldown timer starts The Engine Cooldown timer can during Normal source failure is immediate. be set from 0 to 1,200 seconds.

  • Page 15: Section 4 - Maintenance

    Section 4 — Maintenance HTS “Wn” Type Transfer Switch LUBRICATION Figure 3.9 — Connect Signal Wires (Single-phase) Operating parts inside the transfer mechanism have been properly lubricated at the time of assembly. Under normal conditions, no additional lubrication should be required. The service technician should lubricate all recommended points whenever major transfer mechanism components are replaced.

  • Page 16: Section 5 - Notes

    Section 5 — Notes HTS “Wn” Type Transfer Switch...
  • Page 17 Section 5 — Notes HTS “Wn” Type Transfer Switch...

  • Page 18: Section 6 - Mounting Dimensions

    Section 6 — Mounting Dimensions (600 - 1000A, NEMA 12) Drawing No. 0F6963-D...
  • Page 19 Section 6 — Mounting Dimensions (600 - 1000A, NEMA 12) Drawing No. 0F6963-D...
  • Page 20 Section 6 — Mounting Dimensions (600 - 1000A, NEMA 3R) Drawing No. 0F7314-D...
  • Page 21 Section 6 — Mounting Dimensions (600 - 1000A, NEMA 3R) Drawing No. 0F7314-D...
  • Page 22 Section 6 — Mounting Dimensions (1200 - 1600A, NEMA 12) Drawing No. 0F7520-C...
  • Page 23 Section 6 — Mounting Dimensions (1200 - 1600A, NEMA 12) Drawing No. 0F7520-C...
  • Page 24 Section 6 — Mounting Dimensions (1200 - 1600A, NEMA 3R) Drawing No. 0F7521-C...
  • Page 25 Section 6 — Mounting Dimensions (1200 - 1600A, NEMA 3R) Drawing No. 0F7521-C...
  • Page 26 Section 6 — Mounting Dimensions (2000 - 2600A, NEMA 12) Drawing No. 0F8944-C...
  • Page 27 Section 6 — Mounting Dimensions (2000 - 2600A, NEMA 12) Drawing No. 0F8944-C...
  • Page 28 Section 6 — Mounting Dimensions (2000 - 2600A, NEMA 3R) Drawing No. 0F8945-C...
  • Page 29 Section 6 — Mounting Dimensions (2000 - 2600A, NEMA 3R) Drawing No. 0F8945-C...

  • Page 30: Section 7 - Wiring Diagrams & Electrical Schematics

    Section 7 — Wiring Diagrams & Electrical Schematics Wiring Diagram - 208/240V — Drawing No. 0F7043-B...
  • Page 31 Section 7 — Wiring Diagrams & Electrical Schematics Wiring Diagram - 208/240V — Drawing No. 0F7043-B...
  • Page 32 Section 7 — Wiring Diagrams & Electrical Schematics Electrical Schematic - 208/240V — Drawing No. 0F7042-B...
  • Page 33 Section 7 — Wiring Diagrams & Electrical Schematics Electrical Schematic - 208/240V — Drawing No. 0F7042-B...
  • Page 34 Section 7 — Wiring Diagrams & Electrical Schematics Wiring Diagram - 480/600V — Drawing No. 0F7045-B...
  • Page 35 Section 7 — Wiring Diagrams & Electrical Schematics Wiring Diagram - 480/600V — Drawing No. 0F7045-B...
  • Page 36 Section 7 — Wiring Diagrams & Electrical Schematics Electrical Schematic - 480/600V — Drawing No. 0F7044-B...
  • Page 37 Section 7 — Wiring Diagrams & Electrical Schematics Electrical Schematic - 480/600V — Drawing No. 0F7044-B...

  • Page 38: Section 8 - Exploded Views & Parts Lists

    Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F6446-D Page 1 Parts List on page 38.
  • Page 39 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F6446-D Page 2 Parts List on page 38.
  • Page 40 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F6446-D Page 3 ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 0F6610 ENCL NEMA 12 36X60X20 080433 LUG SLDLSS 500-#1X13/32 AL/CU 0F5083 DECAL HTS TRANSFER SWITCH 063925 LUG SLDLSS 500-4/0X17/32 AL/CU 0G3009...
  • Page 41 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F7313-D - Page 1 Parts List on page 41.
  • Page 42 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F7313-D - Page 2 Parts List on page 41.
  • Page 43 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F7313-D - Page 3 ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 0F7312 ENCL NEMA 3R 36 X 66 X 20 080433 LUG SLDLSS 500-#1X13/32 AL/CU 0F7145 DECAL HTS TRANSFER SW NEMA 3R 063925...
  • Page 44 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F7515-D - Page 1 Parts List on page 44.
  • Page 45 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F7515-D - Page 2 Parts List on page 44.
  • Page 46 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F7515-D - Page 3 ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 0F7509 ENCL NEMA 12 HTS 48 X 72 X 24 072124 XFRSW 1200A 3P WN600V 0F5083 DECAL HTS TRANSFER SWITCH 072125...
  • Page 47 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F7516-D - Page 1 Parts List on page 47.
  • Page 48 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F7516-D - Page 2 Parts List on page 47.
  • Page 49 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F7516-D - Page 3 ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 0F7510 ENCL NEMA 3R HTS 48 X 72 X 24 072124 XFRSW 1200A 3P WN600V 0F7145 DECAL HTS TRANSFER SW NEMA 3R 072125...
  • Page 50 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F8939-E - Page 1 Parts List on page 50.
  • Page 51 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F8939-E - Page 2 Parts List on page 50.
  • Page 52 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F8939-E - Page 3 ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 0F8934 AV HTS 2000-2600A NEMA12 0F8932A BRKT SWITCH 2000A 3P 0F5083 DECAL HTS TRANSFER SWITCH 0F8932B BRKT SWITCH 2000A 4P-2600A 3P 0G3009...
  • Page 53 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F8940-E - Page 1 Parts List on page 53.
  • Page 54 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F8940-E - Page 2 Parts List on page 53.
  • Page 55 Section 8 — Exploded Views & Parts Lists Assembly — Drawing No. 0F8940-E - Page 3 ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 0F8933 ENCL NEMA 3R HTS 48 X 80 X 48 08932A BRKT SWITCH 2000A 3P 0F7145 DECAL HTS TRANSFER SW NEMA 3R 08932B...

  • Page 56: Section 9 - Warranty

    NOTE: ALL UNITS MUST HAVE A START-UP INSPECTION PERFORMED BY AN AUTHORIZED GENERAC DEALER. For a period of two (2) years or two thousand (2,000) hours of operation from the date of start-up, which ever occurs first, Generac Power Systems, Inc.

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