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Technical Manual
RTS Automatic Transfer Switch
This manual should remain with the unit.

Summary of Contents

  • Page 1

    Technical Manual RTS Automatic Transfer Switch This manual should remain with the unit.

  • Page 2

    Safety Rules SAVE THESE INSTRUCTIONS! Read the following information carefully before attempting to install, operate  or service this equipment. 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. DANGER! Connection of a generator to an electrical system normally supplied by an electric utility shall ...

  • Page 3: Table Of Contents

    Table of Contents • If work must be done on this equipment while standing on metal Safety Rules ..........Inside Front Cover or concrete, place insulative mats over a dry wood platform. General Information ..............2 Work on this equipment only while standing on such insulative 1.1 Introduction ................

  • Page 4: General Information, Introduction, Unpacking, Equipment Description, Transfer Switch Mechanism, Utility Service Disconnect Circuit Breaker

    General Information INTRODUCTION This transfer switch is suitable for use on a circuit capable of 22,000 rms (200A) and 10,000 (100A) symmetrical amperes, This manual has been prepared especially for the purpose of famil- 240 VAC maximum. iarizing personnel with the design, application, installation, opera- tion and servicing of the applicable equipment.

  • Page 5: Transfer Switch Data Decal, Transfer Switch Enclosure, Safe Use Of Transfer Switch, Installation

    Installation TRANSFER SWITCH • Priority 3 and 4 have connections for one contactor only. • Four LEDs, located on the load shed module, will indicate when ENCLOSURE a load priority level is enabled. The standard switch enclosure is a National Electrical Manufacturer’s •...

  • Page 6: Connecting Power Source And Load Lines, Connecting Start Circuit Wires

    Installation Install the transfer switch as close as possible to the electrical Connect power source load conductors to clearly marked transfer loads that are to be connected to it. Mount the switch vertically to mechanism terminal lugs as follows a rigid supporting structure. To prevent switch distortion, level all Connect UTILITY (NORMAL) power source cables to UTILITY mounting points.

  • Page 7

    Installation Figure 2.1 — Load Shed Module Connections Supply 0 Ground 0 Ground Contactor #1 Load #1 194 +12V 194 +12V 23 Transfer 23 Transfer Y wire NEUTRAL NEUTRAL Supply AIR 1 AIR 1 CONTACTOR CONTACTOR AIR 2 AIR 2 CONTACTOR CONTACTOR Contactor #2...

  • Page 8: Operation, Functional Tests & Adjustments, Manual Operation, Close To Utility Source Side

    Operation FUNCTIONAL TESTS AND 3.2.1 CLOSE TO UTILITY SOURCE SIDE ADJUSTMENTS Before proceeding, verify the position of the switch by observing the position of manual operation handle in Figure 3.1. If the handle Following transfer switch installation and interconnection, is UP , the contacts are closed in the NORMAL (UTILITY) position, inspect the entire installation carefully.

  • Page 9

    Operation Figure 3.1 — Actuating Transfer Switch Attach handle to actuating shaft. NOTE: Return handle to storage position in enclosure when finished with manual transfer. Move handle Move handle UP for the DOWN for the NORMAL EMERGENCY (UTILITY) (STANDBY) position. position.

  • Page 10: Generator Tests Under Load, Testing Load Shed Module (lsm)

    Operation GENERATOR TESTS UNDER TESTING LOAD SHED MODULE LOAD (LSM) Set the generator's main circuit breaker to its OFF or OPEN A Test pushbutton is provided on the bottom of the LSM to test the position. operation of the tested functions. The Test button will work when the ATS is in the Utility or the Generator position.

  • Page 11: Notes

    Notes...

  • Page 12

    Notes...

  • Page 13: Installation Diagrams

    Installation Diagrams 100A SE & non-SE/150-200A non-SE Installation Drawing No. 0G6832-A...

  • Page 14

    Installation Diagrams 150/200A SE Installation Drawing No. 0H4905-A...

  • Page 15

    Installation Diagrams Installation Drawing No. 0J0814-B 13 13...

  • Page 16: Electrical Data

    Electrical Data Interconnection Drawing No. 0H8676-C 14 14...

  • Page 17

    Electrical Data Interconnection Drawing No. 0H7454-C 15 15...

  • Page 18

    Electrical Data Schematic Drawing No. 0H7254-B...

  • Page 19

    Electrical Data Schematic Drawing No. 0H7254-B...

  • Page 20: Exploded Views & Parts Lists

    Exploded Views & Parts Lists 100A Assembly Drawing No. 0H7264$-H...

  • Page 21

    Exploded Views & Parts Lists 100A Assembly Drawing No. 0H7264$-H ITEM PART NO. QTY. DESCRIPTION ITEM PART NO. QTY. DESCRIPTION 0C2237 TR SW-HSB 100A 2P 250V 0D3587 DECAL, FUSE REPLACEMENT 074908 SCREW HHTT M5-0.8 X 10 BP 0H7917 DECAL, TERMINAL STRIP 077033 LUG SLDLSS 1/0-#14X9/16 AL/CU 0H1558...

  • Page 22

    Exploded Views & Parts Lists 150A Assembly Drawing No. 0J2006$-D Parts List on page 22.

  • Page 23

    Exploded Views & Parts Lists 150A Assembly Drawing No. 0J2006$-D Parts List on page 22.

  • Page 24

    0D2572 FUSEBLOCK 30A 600V 3 POLE 0H10870AL14 1 COVER, TRANSFER SWITCH 073590A FUSE 5A X BUSS HLDR73591 0H1485 CB RISER BRACKET 200A GENERAC (2)56 0H1605 BLOCK TERM 20A 5 X 6 X 1100V 0G9650 SUBPLATE, 200A SE XFER SW 049897 SCREW SHC M8-1.25 X 20 G8...

  • Page 25

    Exploded Views & Parts Lists 200A Assembly Drawing No. 0H7265$-F Parts List on page 25.

  • Page 26

    Exploded Views & Parts Lists 200A Assembly Drawing No. 0H7265$-F Parts List on page 25.

  • Page 27

    0D2572 FUSEBLOCK 30A 600V 3 POLE 0H10870AL14 1 COVER, TRANSFER SWITCH 073590A FUSE 5A X BUSS HLDR73591 0H1485 CB RISER BRACKET 200A GENERAC (2)56 0H1605 BLOCK TERM 20A 5 X 6 X 1100V 0G9650 SUBPLATE, 200A SE XFER SW 049897 SCREW SHC M8-1.25 X 20 G8...

  • Page 28

    Part No. 0J2119 Revision B (01/06/12) Printed in U.S.A.

  • Page 30

    0 C 2 2 3 7 T R S W -H S B 1 0 0 A 2 P 2 5 0 V 0 7 4 9 0 8 S C R E W H H T T M 5 - 0 .8 X 1 0 B P 0 7 7 0 3 3 L U G S L D L S S 1 /0 -# 1 4 X 9 /1 6 A L / C U 0 G 7 6 2 4...

  • Page 32

    COVER, INSIDE 200A DUAL BREAKER (1)49 0E6155 ARM EXTENDER PIN 0H10870AL14 COVER, TRANSFER SWITCH 0E6303 WIRE-A 0H1485 CB RISER BRACKET 200A GENERAC (1)51 0E6033 90 DEGREE DN SPADE CONNECTOR 0G9650 SUBPLATE, 200A SE XFER SW 0E6303B WIRE-E1 0G3369A DECAL, TRANSFER SWITCH DATA...

  • Page 36

    COVER, INSIDE 200A DUAL BREAKER (1)49 0E6155 ARM EXTENDER PIN 0H10870AL14 COVER, TRANSFER SWITCH 0E6303 WIRE-A 0H1485 CB RISER BRACKET 200A GENERAC (1)51 0E6033 90 DEGREE DN SPADE CONNECTOR 0G9650 SUBPLATE, 200A SE XFER SW 0E6303B WIRE-E1 0G3369A DECAL, TRANSFER SWITCH DATA...

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