Lake Shore 3f Wye Manual

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
Page 1
OPERATION & MAINTENANCE MANUAL
Molded Case Automatic Transfer Switch
(Single or Dual Motor Operated)
(System Types: 3φWye, 3φDelta, 1φPolyphase, 1φSingle)
With LSE8600 Controller
Lake Shore Electric LLC.
205 Willis Street
Bedford, OH 44146
Website: www.lake-shore-electric.com
Email: [e-mail]
Phone: [phone]
Toll Free: 800.225.0141

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
Page 2
WARNING!
WHEN WORKING ON EQUIPMENT OF THIS TYPE, EXTREME DANGER OF ELECTROCUTION EXISTS THAT MAY RESULT IN INJURY OR
DEATH. DO NOT ATTEMPT ANY REPAIRS OR ADJUSTMENTS TO THIS EQUIPMENT WITHOUT FIRST TAKING THE APPROPRIATE
PRECAUTIONS TO PREVENT PERSONAL INJURY AND EQUIPMENT DAMAGE.
DURING INSTALLATION AND USE OF THIS PRODUCT, COMPLY WITH THE NATIONAL ELECTRICAL CODE (NEC), FEDERAL, STATE AND
LOCAL CODES, AND ALL OTHER APPLICABLE SAFETY CODES.
MAIN UTILITY POWER MUST BE OFF DURING INSTALLATION, WHEN PERFORMING EQUIPMENT MAINTENANCE OUTSIDE THE
EQUIPMENTS NORMAL MAINTENANCE SCOPE AND WHEN PERFORMING REQUIRED MAINTENANCE ON ANY POWER CABLE(S)
CONNECTED TO THE EQUIPMENT.
!IT IS IMPORTANT TO REVIEW ADDITIONAL INFORMATION AT WWW.LAKE-SHORE-ELECTRIC.COM !
WARRANTY
Lake Shore Electric Automatic Transfer Switches are guaranteed against defective materials and workmanship for a period of one year from date of
shipment. If, within one year after shipment, it is proved to Lake Shore's satisfaction that the equipment requires valid warranty work and Lake Shore
is promptly notified of same, Lake Shore will make necessary corrections, free of charge. F.O.B. works where manufactured.
Such necessary corrections constitute the full extent of Lake Shore's warranty. There are no warranties, which extend beyond those described herein.
This warranty is exclusive and is in lieu of all other warranties, whether written, oral, implied or statutory. No warranty of merchantability or of fitness
for purpose shall apply.
Lake Shore is not responsible for damage to its equipment through improper installation or use, unauthorized repair or modifications, or attempts to
operate it above its rated capacities or in abnormal environments. In no event, whether as a failure to meet conditions of the warranty or otherwise,
shall Lake Shore be liable for any special, incidental, or consequential damages, including, but not limited to, loss of profit or revenues, loss of good
will, damages to associated equipment, cost of capital, cost of substitute products, facilities, service or replacement power, costs of downtime or
claims of third parties for such damages.
Notice: The owner of this automatic transfer switch must perform certain required maintenance functions as described in Appendix
A, Appendix B, and Appendix C of this manual in order to maintain Lake Shore's one year exclusive warranty. Failure to perform this
maintenance shall void the warranty.
NOTE .
Engineering changes may have been made after publication date. Any departure from this manual should be checked with Lake Shore Electric.
Lake Shore Electric Corporation reserves the right to change specifications without prior notice.

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
Page 3
Table of Contents
Table of Figures ......................................................................................................................... 6
Table of Tables .......................................................................................................................... 7
1. Construction........................................................................................................................ 8
2. Description of Operation ..................................................................................................... 9
2.1. Single Motor Operator.................................................................................................. 9
2.2. Dual Motor Operator ...................................................................................................10
3. Installation .........................................................................................................................11
3.1. Mounting and Connecting ...........................................................................................11
3.2. Placing the Transfer Switch in Operation ....................................................................15
3.2.1. ATS Control Start-Up ...........................................................................................15
4. Controller LSE8600............................................................................................................17
4.1. Introduction.................................................................................................................17
4.1.1. Self-Seeking Power Supply..................................................................................18
4.1.2. Expansion Modules..............................................................................................19
4.1.2.1. Relay (8) Output Expansion Module – DSE2157 ...............................................19
4.1.2.2. Relay (8) Input Expansion Module – DSE2130..................................................20
4.1.2.3. LED (8) Annunciator Expansion Module–DSE2548...........................................22
4.1.2.4. Ethernet Communication Module – DSE89x......................................................24
4.1.3. LSE8600 Controller – Rear Controls (HMI) ...........................................................27
4.1.4. LSE8600 Controller – Front Controls (HMI)...........................................................31
4.2. Operational Configuration ...........................................................................................35
4.2.1. Modes of Operation (Utility to Generator).............................................................35
4.2.2. Electrical Trips .....................................................................................................35
4.2.3. Warnings .............................................................................................................36
4.2.4. LED Indicators on HMI Screen.............................................................................37
4.2.5. Accessing Editor With a Pin .................................................................................38
4.2.6. ATS Time & Date Change....................................................................................39
4.2.7. ATS Timer Settings & Adjustments from LSE8600 Display ..................................40
4.2.8. Timer Factory Default Settings.............................................................................41
4.2.9. ATS Exerciser Settings & Adjustments ................................................................42
4.2.10. Undervoltage Trip Settings for S1 and S2 Sources...........................................45

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
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4.2.11. Overvoltage Trip Settings for S1 and S2 Sources.............................................45
4.2.12. Under-Frequency Trip Settings for S1 and S2 Sources ....................................45
4.2.13. Over-Frequency Trip Settings for S1 and S2 Sources ......................................45
4.3. Installation ..................................................................................................................46
4.3.1. Generic Control Wiring Diagram ..........................................................................46
4.3.2. Typical Wiring Diagrams - 3φ4W .........................................................................47
4.3.3. Typical Wiring Diagrams - 3φ3W .........................................................................47
4.3.4. Typical Wiring Diagrams - 1φ2W .........................................................................48
4.3.5. Typical Wiring Diagrams - 2φ3W (L1-L2).............................................................48
4.3.6. Typical Wiring Diagrams - 2φ3W (L1-L3).............................................................49
5. Operating Mechanism........................................................................................................50
5.1. General Information ....................................................................................................50
5.2. Operation....................................................................................................................50
5.3. Required Maintenance................................................................................................50
5.4. Motor Assembly ..........................................................................................................50
6. Molded Case Switches.......................................................................................................52
6.1. General Information ....................................................................................................52
6.2. Inspection and Maintenance .......................................................................................52
7. Troubleshooting Guide.......................................................................................................53
7.1. LSE8600 Configuration Suite Software Installation Instructions ..................................55
7.2. LSE8600 Controller Issues .........................................................................................63
7.3. Relay Expansion Board(s) (If Applicable)....................................................................64
7.3.1. DSE2130 – Input Expansion Board ..........................................................................64
7.3.2. DSE2157 – Output Expansion Board .......................................................................66
7.3.3. DSE2548 – LED Annunciator Expansion Board .......................................................67
7.4. Other Issues ...............................................................................................................69
8. Standard and Optional Accessories ...................................................................................70
8.1. Service Entrance (Optional) ........................................................................................70
8.2. Ground Fault Protection or Indication – GFP / GFPE / GFPL / GFI (Optional)..............71
8.3. Auxiliary Contacts Before Transfer – ACBT (Standard)................................................72
8.4. Surge Suppression TVSS – SPD (Optional).................................................................73
8.5. Remote Disconnect – RD (Optional) ............................................................................73
8.6. Circuit Breaker Trips – CBTN / CBTE (Optional) ..........................................................73
8.7. Source Available Auxiliary Contacts – ACSA (Standard)..............................................73

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Publication Number: MN0100700E Version: V10.01.20
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8.8. Mode – Test On Load (Standard).................................................................................74
8.9. Mode – Test Off Load (Standard).................................................................................74
8.10. Load Demand Inhibit – LDI (Standard) .....................................................................74
8.11. Peak Shave – PS (Standard)....................................................................................75
8.12. Manual Return to Normal – MRTN – (Standard)........................................................75
8.13. Closed Transition Transfer – CTT (Optional) ............................................................75
8.14. Battery Charger – BC (Optional)...............................................................................76
8.15. Dual Prime Source – DPS (U–to–U) (Optional) ..........................................................76
8.16. Utility–to–Generator System (Standard)....................................................................76
8.17. Generator–to–Generator System (Optional) ..............................................................76
8.18. Multifunction Digital Meter – DM (Optional) ..............................................................76
8.19. Datalogging (Standard) ...........................................................................................77
8.20. Phase Sequence Monitor – PSM (Standard) ............................................................77
8.21. Strip Heater – SH (Optional).....................................................................................77
8.22. Single Phase Protection – SPP (Standard)...............................................................77
9. Appendixes ........................................................................................................................78
9.1. Appendix A .................................................................................................................78
9.2. Appendix B .................................................................................................................79
9.3. Appendix C .................................................................................................................80
9.4. Appendix D .................................................................................................................81
9.5. Appendix E .................................................................................................................82

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
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Table of Figures
Figure 1 - Motor Slip Screws .....................................................................................................13
Figure 2 – Typical Control Wire Terminals for a Utility-to-Generator Setup.................................13
Figure 3 - LSE8600 Panel Mount Dimensions...........................................................................17
Figure 4 - Self Seeking Power Supply .......................................................................................18
Figure 5 - Self Seeking Power Supply (Typical) Wiring Diagram ...............................................18
Figure 6 - Relay Output Expansion Module – DSE2157 .............................................................19
Figure 7 - DSE2157 Dimensions ...............................................................................................19
Figure 8 - Expansion Module (Typical) Wiring Diagram.............................................................20
Figure 9 - DSE2130 Relay (8) Input Expansion Module ............................................................20
Figure 10 - DSE2130 Dimensions .............................................................................................21
Figure 11 - DSE2130 Typical Wiring 1 ......................................................................................21
Figure 12 - DSE2130 Typical Wiring 2 ......................................................................................22
Figure 13 - LED (8) Annunciator Expansion Module - DSE2548................................................22
Figure 14 - DSE2548 Dimensions .............................................................................................23
Figure 15 - DSE2548 Typical Wiring .........................................................................................23
Figure 16 - DSENet Login Instructions ......................................................................................25
Figure 17: DSENet Home Page ................................................................................................26
Figure 18: DSENet Module Setup .............................................................................................26
Figure 19: S1 Remote Control Page..........................................................................................26
Figure 20 - Top PLC Terminals .................................................................................................27
Figure 21 - Bottom PLC Terminals ............................................................................................28
Figure 22 - RS232 Pinouts – View looking into the Male Connector ...........................................29
Figure 23 – RS485 & RS232 Communication Terminals............................................................29
Figure 21 - Editor – Display Screen............................................................................................39
Figure 22 - Editor - Display - Current Date and Time.................................................................39
Figure 23 - Editor – Display Screen............................................................................................40
Figure 24 - Editor - Timers Screen ............................................................................................40
Figure 25 - Editor – Display Screen............................................................................................42
Figure 26 - Editor - Schedule.....................................................................................................42
Figure 27 - Editor - Schedule - Changed to Active.....................................................................42
Figure 28 - Bank 1 - Weekly ......................................................................................................43
Figure 29 - Schedule Setup.......................................................................................................43
Figure 30 - Example Wiring of the LSE8600 Controller .............................................................46
Figure 31 - Typical Wiring Diagram - 3φ4W ..............................................................................47
Figure 32 - Typical Wiring Diagram - 3φ3W ..............................................................................47
Figure 33 - Typical Wiring Diagram - 1φ2W ..............................................................................48
Figure 34 - Typical Wiring Diagram - 2φ3W (L1-L2)..................................................................48
Figure 35 - Typical Wiring Diagram - 2φ3W (L1-L3)..................................................................49
Figure 36 - Gear Motor Assembly .............................................................................................51
Figure 37 – Assembled Gear Motor ...........................................................................................51
Figure 38 - Molded Case Unit - Internal View ............................................................................52
Figure 39 - DSE Configuration Suite Icon..................................................................................60
Figure 40 - Main Configuration Suite Software Screen ..............................................................61

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
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Figure 41 - LSE8600 Controller – Open Scada Information........................................................61
Figure 42 - Event Log Screen....................................................................................................62
Figure 43 – Data Logging Screen...............................................................................................62
Figure 44 - DSE2130 Controls and Indications..........................................................................64
Figure 45 - DSE2157 Controls and Indications..........................................................................66
Figure 46 - DSE2548 Controls and Indications..........................................................................67
Figure 47 - DSE2548 Remote Horn Silence Push Button..........................................................68
Figure 48 - Service Entrance Label ...........................................................................................71
Table of Tables
Table 1 - Control Wire Setup.....................................................................................................11
Table 2 – Enclosure NEMA Ratings Available............................................................................11
Table 3 – Automatic Transfer Switch Nomenclature...................................................................12
Table 4 - Top PLC Terminals ....................................................................................................27
Table 5 - Bottom Terminals .......................................................................................................28
Table 6 - RS232 Pinouts ...........................................................................................................28
Table 7 – RS485 Terminals........................................................................................................29
Table 8 - Communications ........................................................................................................29
Table 9 – Individual Plugs ..........................................................................................................30
Table 10 – Spare Parts for LSE8600 Controller..........................................................................30
Table 11 - LSE8600 Control Push-Button Descriptions .............................................................31
Table 12 - LSE8600 Control Push-Button Descriptions - Continued ..........................................32
Table 13 - Electrical Trip Example.............................................................................................35
Table 14 - Electrical Trips..........................................................................................................36
Table 15 – Warnings & Reasons................................................................................................36
Table 16 – Warnings & Reasons Continued...............................................................................37
Table 17 - Starting.....................................................................................................................63
Table 18 - Loading ....................................................................................................................63
Table 19 - Alarms......................................................................................................................63
Table 20 - Instruments ..............................................................................................................64
Table 21 - DSE2130 LED Indications ........................................................................................65
Table 22 - DSE2130 Fault Diagnosis ........................................................................................65
Table 23 – DSE2157 LED Indications ........................................................................................66
Table 24 - DSE2157 Fault Diagnosis ........................................................................................67
Table 25 – DSE2548 LED Indications ........................................................................................68
Table 26 - DSE2548 Fault Diagnosis ........................................................................................69
Table 27 - Ground Fault Detected – Protection ..........................................................................71
Table 28 - Ground Fault Detected – Indication ...........................................................................72
Table 29 – ACBT when Transferring to S2 .................................................................................72
Table 30 – ACBT when Transferring to S1 .................................................................................72
Table 31 – Test Off Load............................................................................................................74
Table 32 – Check Sync Transfer Timer ......................................................................................75

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
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1. Construction
The Transfer Switches covered in this manual use molded case switches and/or circuit breakers
to accomplish the transfer of two separate power sources to a single load.
These molded case circuit breaker(s) and/or switch/switches, (molded case units), are interlocked
via electrical and mechanical control systems.
The LSE8600 Controller combined with the auxiliary contact switch located in the molded case
unit encompasses the electrical interlock system.
The physical "Plunger Style" interlock installed between the two molded case units
encompasses the mechanical interlock system. The interlock is located on the rear of the
base plate and is a fulcrum and lever device, which positively prevents both molded case
switches or circuit breakers from being in the ON position simultaneously.
The two control systems provide a redundant interlocking scheme which provides a "Fail-Safe"
design. Note: This mechanical interlock is not provided on units equipped with the Closed
Transition Option.
The gear motors are operated at 120Vac, supplied by the unit. The gear reduction unit is
permanently lubricated so that it requires no maintenance.
All styles of transfer switches are provided with an insulated operating handle to enable personnel
to manually operate the transfer switch in the event of an emergency. The handle is permanently
mounted and readily accessible and allows the operator to manually operate the transfer switch
under load.
All interface relays are of the enclosed industrial type to ensure long life and minimum
maintenance. They are rated for continuous duty to eliminate overheating of coils.
The LSE8600 controller will provide adequate control of the Automatic Transfer Switch (ATS).
These controllers offer programmable timers. Including the plant exerciser, and these values are
stored in non-volatile memory.

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
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2. Description of Operation
The following are general descriptions of operation applying to the different styles of Transfer
Switches. Certain accessory additions may modify the sequence of operations as required to
suit specific applications.
2.1. Single Motor Operator
The Single Motor ATS utilizes a single motor to operate both the normal and emergency molded
case units. Normally, the transfer switch operates on the preferred power source with the Normal
molded case unit in the closed position and the Emergency molded case unit in the open position.
(Refer to Individual Unit Wiring Diagrams Included with the Transfer Switch.)
All phases of the preferred power source, S1 (typical: Utility), are continuously monitored by the
voltage sensing inputs of the LSE8600 Controller. These undervoltage settings are preset to 90%
pick-up and 80% drop-out of the nominal voltage. If different settings are required, please contact
Lake Shore Electric for assistance in changing these settings. In the event of a drop in any phase
of the preferred voltage below the dropout set point, the LSE8600 Controller will follow these
steps:
1. The S1 light on the LSE8600 controller will turn off and the display will indicate a warning
under the "Alarm" screen menu.
2. The "S2 Start Delay" will time for the Factory Default setting of 3 seconds. This would be
the standard "Engine Generator Start Delay" time to avoid nuisance transfers.
3. Then the "S1 Return Delay" will time for the Factory Default setting of 3 seconds. This
would be the standard "Time Delay to Emergency" to avoid premature loading of the
generator.
4. The "NS" molded case unit will open to remove the load from S1 power source, and the
“ES” molded case unit will close at the same time to connect the load to S2 power source.
NOTE: If overvoltage sensing is used, factory default settings would be 120% drop-out and 115%
pick-up of nominal voltage.
The preceding sequence of operation describes the operation of a basic single motor operated,
Automatic Transfer Switch (ATS). Lake Shore Electric offers a wide variety of accessory
equipment to meet customer specifications. Please refer to the schematic diagram provided with
your Lake Shore ATS for specific controls provided.

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
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2.2. Dual Motor Operator
The Dual Motor Automatic Transfer Switch (ATS) operates in much the same way as described
in section 2.1 Single Motor Operator with the exception that each molded case unit has its own
motor operator. This allows the load to be disconnected from both the S1 and S2 power sources,
offering the load a "Neutral / Off" position. When the LSE8600 sends the signal to transfer, one
motor operator disconnects its source, which transfers the switch to the open position temporarily.
Then, the LSE8600 sends the signal to the opposite motor operator, connecting the load to its
source.
All phases of the preferred power source, S1 (typical: Utility), are continuously monitored by the
voltage sensing inputs of the LSE8600 Controller. These undervoltage settings are preset to 90%
pick-up and 80% drop-out of the nominal voltage. If different settings are required, please contact
Lake Shore Electric for assistance in changing these settings. In the event of a drop in any phase
of the preferred voltage below the dropout set point, the LSE8600 Controller will follow these
steps:
1. The S1 light on the LSE8600 controller will turn off and the display will indicate a warning
under the "Alarm" screen menu.
2. The "S2 Start Delay" will time for the Factory Default setting of 3 seconds. This would be
the standard "Engine Generator Start Delay" time to avoid nuisance transfers.
3. Then the "S1 Return Delay" will time for the Factory Default setting of 3 seconds. This
would be the standard "Time Delay to Emergency" to avoid premature loading of the
generator.
4. The "NS" molded case unit will then be opened to remove the load from S1 source power.
5. The "Non-Sync Transfer Timer" will time for the Factory Default setting of 0 seconds.
However, there is a prebuilt in timer of 3 seconds that cannot be changed below that setting
for this controller. However, the delay may be increased by changing the Factory Default
from 0 seconds to the desired time delay.
6. The "ES" molded case unit will then be closed to connect the load to S2 source power.
NOTE: If overvoltage sensing is used, factory default settings would be 120% drop-out and 115%
pick-up of nominal voltage.
The Dual Motor ATS is used EXCLUSIVELY FOR SERVICE ENTRANCE (SE) RATED
TRANSFER SWITCHES because the dual motor design allows for the necessary condition of
having both switches in the "OFF" position so that the load is isolated and disconnected from both
sources.
The Dual Motor ATS is also used EXCLUSIVELY FOR CLOSED TRANSITION TRANSFER (CTT)
SWITCHES because the dual motor design allows for the necessary condition of having both
switches in the "ON" position so that the load is momentarily connected to both sources when
they are synchronized providing a "make before break" transfer.
(Refer to Individual Unit Wiring Diagrams Included with the Transfer Switch.)

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
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The preceding sequence of operation describes the operation of a basic dual motor, ATS. Lake
Shore Electric offers a wide variety of accessory equipment to meet customer
specifications(s)/requirements(s). Please refer to the schematic diagram provided with your Lake
Shore ATS for the specific controls provided.
NOTE: For a UTILITY TO UTILITY (Dual Prime Source) application, a preferred source selector
switch is provided on all transfer switches built for Utility-to-Utility applications. The sequence of
operation does not include the "S2 Start Delay" or "Engine Generator Start Delay"
3. Installation
The LSE8600 controller monitors the voltage source of both S1 and S2 directly to verify that the
sources are within acceptable parameters. The ATS will not operate on a voltage other than that
stamped on the nameplate of the transfer switch, so please verify the equipment received is built
for the system it is being installed within.
3.1. Mounting and Connecting
The standard Lake Shore transfer switch is designed for operation in a clean, dry, dust-free
location where a minimum of vibration is present.
When used in conjunction with an engine generator set, it is recommended that the transfer switch
be located as close as possible to the generator set, as this will reduce the length of the DC control
wiring (required for automatic operation). This will help with preventing voltage drops and
improper operation. See Table 1 - Control Wire Setup for recommended ATS to Generator
distances.
Table 1 - Control Wire Setup
Control Wire (See Schematic for Terminal #’s)
Max Distance
Wire Gage Size
DC Power
1400 feet
#10 awg
Engine Start Signal
1400 feet
#10 awg
Table 2 – Enclosure NEMA Ratings Available
Lake Shore Electric Enclosure Style Offerings
Ratings
Wall Mount
NEMA 1
Free Standing
NEMA 3R
NEMA 12
NEMA 4
NEMA 4X
Open (Customer Supplied Enclosure)
None (Customer Supplied Enclosure)

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
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Before bringing the power cables to the enclosure, be certain that the lugs will be of the correct
size. If not, different sizes may be ordered from Lake Shore Electric.
1. Lug size and arrangements may vary depending on molded case switch manufacturer.
2. Optional lug arrangements are available but must be specified at the time the transfer
switch is ordered. Consult Lake Shore Electric for details.
When mounting an "Open" style transfer switch, there are certain steps which should be followed:
1. Allow adequate space for movement of the manual-operating handle.
2. Mount to a rigid framework to minimize vibration.
3. Review all electrical clearances with the enclosure door or panels closed.
4. On rear connected switches, ensure there is no strain on the studs due to improper
alignment.
Table 3 – Automatic Transfer Switch Nomenclature
Nomenclature
Names
Definition
ATS Automatic Transfer Switch
NS (S1)
"S1" Normal Source Molded Case Switch or Breaker
NL1
"S1" Normal Source – Phase A or Line 1 Cables Connection Location
NL2
"S1" Normal Source – Phase B or Line 2 Cables Connection Location
NL3
"S1" Normal Source – Phase C or Line 3 Cables Connection Location
ES (S2)
"S2" Emergency Source Molded Case Switch or Breaker
EL1
"S2" Emergency Source – Phase A or Line 1 Cables Connection Location
EL2
"S2" Emergency Source – Phase B or Line 2 Cables Connection Location
EL3
"S2" Emergency Source – Phase C or Line 3 Cables Connection Location
LOAD
Load Connections
L1
Load Output – Phase A or Line 1 Cables Connection Location
L2
Load Output – Phase B or Line 2 Cables Connection Location
L3
Load Output – Phase C or Line 3 Cables Connection Location
NE
Neutral Cables Connection Location
GND
Ground Cables Connection Location

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
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Once the transfer switch has been mounted to its installation location, perform initial start-up by
following these steps:
1. Verify No Power from Any Source is Present. (a.k.a.: Utility, Generator or Other Source)
2. Place the "Control" key switch in the "Disable" position located on the door of the Automatic
Transfer Switch (ATS).
3. Visually check the position of the operating handle(s) of the "NS" and "ES"
breakers/switches. The handle(s) should be in the down position, indicating both are in
the "Open" position. If they are not, place them in the down position.
4. Verify that all the motor slip screws are tight, (2 screws per motor), so that the motor(s) do
not slip when they are powered up in the following sections. See Figure 1 - Motor Slip
Screws for quick location reference.
[These must be checked each time maintenance is performed on the generator or at the
least, yearly.]
Figure 1 - Motor Slip Screws
NOTE: The maximum recommended distance the ATS should be installed from the engine
generator set is 1400 feet, using #10 gage wire for all control wiring.
5. Control Wire: Install the DC control power wires to terminals designated on the specific
units schematic drawing "XXXXXX-03" drawings. (Typical: "010 (negative)" and "011
(positive)". See Figure 2 – Typical Control Wire Terminals for reference. This number is
subject to change. Please see unit drawings for specifics on current ATS.)
Figure 2 – Typical Control Wire Terminals for a Utility-to-Generator Setup
Slip Screw
Slip Screw

O & M Manual – Insulated Case ATS Rev: October 2020
Publication Number: MN0100700E Version: V10.01.20
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6. Control Wire: Connect the "Engine Start" wires to terminals designated on the specific
units schematic drawing "XXXXXX-03" drawings. (Typical: "028" and "029". Utility to
Generator Configuration. See Figure 2 – Typical Control Wire Terminals for reference.
This number is subject to change. Please see unit drawings for specifics on current ATS.)
[Also NOTE that if this is a Generator to Generator configuration, there will be two sets of
“Engine Start” contacts. If the ATS is a Utility to Utility, there will be no “Engine Start”
contacts. Please see unit drawings for specifics on current ATS.]
LUG RANGE NOTE: Please refer to the outline drawing "XXXXXX-02" of the specific ATS
for lug ranges for Utility, Generator and Load connections for the Power Cables.
CURRENT TRANSFORMER (CT) NOTE: Please refer to the schematic drawing
"XXXXXX-03" to see if the present unit requires that monitoring CT’s be included with the
power cable connections and install them according to the drawing. Verify the CT’s proper
orientation to the current flow of the system.
7. Power Cables: Connect the cables from Utility to the Normal Breaker "NS". When
installing the power cables, be careful not to disturb or damage the control wires that go
to the various terminals.
3φSystems: Terminals are labeled NL1, NL2, NL3, NE and GND. (Wye)
3φSystems: Terminals are labeled NL1, NL2, NL3 and GND. (Delta)
1φSystems: Terminals are labeled NL1, NL2, NE and GND. (Polyphase)
1φSystems: Terminals are labeled NL1, NE and GND. (Single Phase)
8. Power Cables: Connect the cables from Back Up Power Supply or Generator to the
Emergency Breaker "ES". When installing the power cables, be careful not to disturb or
damage the control wires that go to the various terminals.
3φSystems: Terminals are labeled EL1, EL2, EL3, NE and GND. (Wye)
3φSystems: Terminals are labeled EL1, EL2, EL3 and GND. (Delta)
1φSystems: Terminals are labeled EL1, EL2, NE and GND. (Polyphase)
1φSystems: Terminals are labeled EL1, NE and GND. (Single Phase)
9. Power Cables: Connect the cables from the Load to the load lugs on the ATS. When
installing the power cables, be careful not to disturb or damage the control wires that go
to the various terminals.
3φSystems: Terminals are labeled L1, L2, L3, NE and GND. (Wye)
3φSystems: Terminals are labeled L1, L2, L3 and GND. (Delta)
1φSystems: Terminals are labeled L1, L2, NE and GND. (Polyphase)
1φSystems: Terminals are labeled L1, NE and GND. (Single Phase)
10. Power Cables: Verify that the phase sequence rotation of the normal and emergency
sources match and are connected to the same load connection via their respective molded
case unit.
Important Note: Failure to do this will result in damage to the transfer switch/other
equipment and will void the warranty extended by Lake Shore Electric.
11. Power Cables: A ground lug is provided on all transfer switches. This lug must be
connected to earth ground.
Caution:Be sure to check that all power cable lugs are torqued to the applicable
requirement for the switch (see Appendix B).

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12. Additional Control Wire Installation: There are numerous accessories available on Lake
Shore transfer switches which require external connections. Refer to the specific ATS
unit’s schematic and layout "XXXXXX-03 and XXXXXX-04" drawings for additional
connections which must be made.
3.2. Placing the Transfer Switch in Operation
Before energizing the transfer switch electrically, be certain all external connections have been
properly made according to the wiring diagram provided. Revisit section 3.1 Mounting and
Connecting for reference.
Inspect all wires, cables, and bus bar for abraded insulation, foreign matter, and electrical
clearance.
The LSE8600 controller monitors the voltage source of both S1 and S2 directly to verify that the
sources are within acceptable parameters. The ATS will not operate on a voltage other than that
stamped on the nameplate of the transfer switch, so please verify the equipment received is built
for the system it is being installed within.
3.2.1. ATS Control Start-Up
1. Verify the DC voltage on terminals to terminals designated on the specific units schematic
drawing "XXXXXX-03" drawings is available. (Typical Terminal #’s: "010 (negative)" and
"011 (positive)”)
If correct, continue to the next step.
If DC voltage is not present, verify the DC wiring / DC power supply for errors until
the power loss cause is found.
2. Close and lock the main door of the ATS.
3. Place the "Control" key switch in the "Enable" position located on the door of the Automatic
Transfer Switch (ATS).
4. The LSE8600 Controller will boot up in the "Auto" mode.
a. If utility power is available, then the ATS will close the "NS" switch and connect the
load to utility power.
b. If utility power is not available, then the ATS will start the generator, close the "ES"
switch, and connect the load to generator power.
5. Once power has been applied to the ATS load and it appears to be working properly, verify
that the unit is reading proper voltage on the LSE8600 S1 and S2 menus on the screen
display. Use the Left / Right arrows next to the button to view the correct menu of the
source available if not already visible.
6. Use the Up / Down arrows next to the button to scroll through S1 or S2 power readings.

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7. If the voltage seen on the S1 or S2 menu screen is within the correct parameters for the
source being viewed, the power cables are connected properly, and no shorting occurred,
proceed to the next step.If problems occurred, please troubleshoot, as necessary.
NOTE: Typically, voltage should only be available from one of the sources at this time.
However, if voltage is present on the second source, verify its voltage also.
8. If CT’s were connected during installation, the current measurements may be verified from
the S1 and S2 menus also. Look at the LSE8600 LED indicators to determine which
source is feeding the load, then navigate to the proper menu on the LSE8600 controller.
9. To perform a load test, press the “Mode” button on the front of the LSE8600 controller.
10. Depending on the last option selected, there are three text strings that could start blinking
at the top of the screen.
a. Test On Load
b. Test Off Load
c. Prohibit Return
11. Press the “Mode” button to scroll through those options until "Test On Load" is blinking
at the top of the screen.
12. Press the button to select and the LSE8600 controller will transfer the load from source
S1 to source S2.
13. Listen for the motor operators to change state; first opening "NS" then closing "ES".
14. The LED lights on the front of the LSE8600 should confirm the opening of S1 and closing
of S2 to the load.
15. To end the load test, press the “Auto” button and the system will return the ATS load
to source S1.
16. The engine cool down timer will keep the generator running until its timing sequence has
completed.
17. The above instructions are enough to place the ATS in service and it is now operational.
The following pages contain specific information on the various components and troubleshooting
information.

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4. Controller LSE8600
4.1. Introduction
The LSE8600 is a Programmable Logic Controller (PLC) based Automatic Transfer Switch
(ATS) controller.
It consists of four major parts:
1. Self-Seeking Power Supply (SSPS)
2. Expansion Modules (EMs)
3. LSE8600 Controller – Rear Controls (HMI)
4. LSE8600 Controller – Front Controls (HMI)
It is designed to operate in the temperature range of -22 °F to +158 °F (-30 °C to +70 °C);
storage temperatures of -40 °F to +176 °F (-40 °C to +80 °C)
Figure 3 - LSE8600 Panel Mount Dimensions

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4.1.1. Self-Seeking Power Supply
This is an optional accessory that may be provided for a unit. Please see unit specific drawings
if purchased.
Figure 4 - Self Seeking Power Supply
Figure 5 - Self Seeking Power Supply (Typical) Wiring Diagram

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4.1.2. Expansion Modules
4.1.2.1.Relay (8) Output Expansion Module – DSE2157
This is an optional accessory that may be provided for a unit. Please see unit specific drawings
if purchased.
Figure 6 - Relay Output Expansion Module – DSE2157
Figure 7 - DSE2157 Dimensions

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Figure 8 - Expansion Module (Typical) Wiring Diagram
4.1.2.2.Relay (8) Input Expansion Module – DSE2130
This is an optional accessory that may be provided for a unit. Please see unit specific drawings
if purchased.
Figure 9 - DSE2130 Relay (8) Input Expansion Module