®
POWER SYSTEMS, INC.
Owner’s Manual
GTS “W”Type
Automatic
Transfer Switch
200 Amp, 250 Volts
Model Nos. 004635-1
004635-2
This manual should remain with the unit.
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Table of Contents
Safety Rules..........................................Inside Front Cover
Section 1 — General Information ..................................2
1.1 Introduction ............................................................2
1.2 Equipment Description ............................................2
1.3 Transfer Switch Data Decal......................................2
1.4 Transfer Switch Enclosure ......................................2
1.5 Safe Use Of Transfer Switch ....................................2
Section 2 — Installation ....................................................3
2.1 Introduction to Installation ......................................3
2.2 Unpacking ................................................................3
2.3 Mounting ..................................................................3
2.4 Connecting Power Source and Load Lines................3
2.4.1 2-Pole Mechanism ..........................................3
2.4.2 3-Pole Mechanism ..........................................3
2.5 Connecting Start Circuit Wires ................................4
2.6 Auxiliary Contacts ....................................................4
Section 3 — Operation ......................................................5
3.1 Functional Tests & Adjustments ..............................5
3.2 Manual Operation ....................................................5
3.2.1 Close to Normal Source Side ........................5
3.2.2 Close to Emergency Source Side....................5
3.2.3 Return to Normal Source Side ......................5
3.3 Voltage Checks..........................................................5
3.4 Generator Tests Under Load ....................................7
Section 4 – Mounting Dimensions ................................8
Section 5 – Electrical Data ..............................................9
Section 6 – Exploded Views & Parts Lists..................14
Section 7 – Warranty ......................................Back Cover
• Because jewelry conducts electricity, wearing it
may cause dangerous electrical shock. Remove all
jewelry (such as rings, watches, bracelets, etc.)
before working on this equipment.
• If work must be done on this equipment while
standing on metal or concrete, place insulative
mats over a dry wood platform. Work on this
equipment only while standing on such insulative
mats.
• Never work on this equipment while physically or
mentally fatigued.
• Keep the transfer switch enclosure door closed and
bolted at all times. Only qualified personnel
should be permitted access to the switch interior.
• In case of an accident caused by electric shock,
immediately shut down the source of electrical
power. If this is not possible, attempt to free the
victim from the live conductor but AVOID DIRECT
CONTACT WITH THE VICTIM. Use a nonconduct-
ing implement, such as a rope or board, to free the
victim from the live conductor. If the victim is
unconscious, apply first aid and get immediate
medical help.
• When an automatic transfer switch is installed for
a standby generator set, the generator engine may
crank and start at any time without warning. To
avoid possible injury that might be caused by such
sudden start-ups, the system’s automatic start cir-
cuit must be disabled before working on or around
the generator or transfer switch. Turn the genera-
tor’s AUTO-OFF-MANUAL switch to OFF. Turn the
generator’s main circuit breaker OFF. Then place a
“DO NOT OPERATE” tag on the transfer switch
and on the generator. Remove the Negative (Neg) or
(–) battery cable.
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Section 1 — General Information
Generac GTS “W” Type Transfer Switch
When requesting information or ordering parts for this
equipment, make sure to include all information from
the DATA DECAL.
1.1 INTRODUCTION
This manual has been prepared especially for the
purpose of familiarizing personnel with the design,
application, installation, operation and servicing of
the applicable equipment. Read the manual carefully
and comply with all instructions. This will help to
prevent accidents or damage to equipment that might
otherwise be caused by carelessness, incorrect appli-
cation, or improper procedures.
Record the Model and Serial numbers in the space pro-
vided below for future reference.
MODEL #
SERIAL #
Every effort has been expended to make sure that the
contents of this manual are both accurate and cur-
rent. Generac, however, reserves the right to change,
alter or otherwise improve the product at any time
without prior notice.
1.4 TRANSFER SWITCH ENCLOSURE
The standard switch enclosure is a National
Electrical Manufacturer’s Association (NEMA) 3R
type. NEMA 3R type enclosures primarily provide a
degree of protection against falling rain and sleet;
undamaged by the formation of ice on the
enclosure.
1.2 EQUIPMENT DESCRIPTION
The automatic transfer switch is used for transfer-
ring critical electrical load from a UTILITY (Normal)
power source to a EMERGENCY (Standby generator)
power source. Such a transfer of electrical loads
occurs automatically when the UTILITY power source
has failed or is substantially reduced and the EMER-
GENCY source voltage and frequency have reached
an acceptable level. The transfer switch prevents elec-
trical feedback between two different power sources
(such as the UTILITY and EMERGENCY sources)
and, for that reason, codes require it in all standby
electric system installations.
1.5 SAFE USE OF TRANSFER SWITCH
Before installing, operating or servicing this equip-
ment, read the SAFETY RULES (inside front cover)
carefully. Comply strictly with all SAFETY RULES to
prevent accidents and/or damage to the equipment.
Generac recommends a copy of the SAFETY RULES
are made and posted near the transfer switch. Also,
be sure to read all instructions and information
found on tags, labels and decals affixed to the equip-
ment.
1.3 TRANSFER SWITCH DATA DECAL
A DATA DECAL is permanently affixed to the transfer
switch enclosure. Use this transfer switch only with
the specific limits shown on the DATA DECAL and on
other decals and labels that may be affixed to the
switch. This will prevent damage to equipment and
property.
Two publications that outline the safe use of transfer
switches are the following:
• NFPA 70; National Electrical Code
• UL 1008, STANDARD FOR SAFETY-AUTOMATIC
TRANSFER SWITCHES
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Section 2 — Installation
Generac GTS “W” Type Transfer Switch
2.4.1 2-POLE MECHANISM
‹
2.1 INTRODUCTION TO INSTALLATION
This equipment has been wired and tested at the fac-
tory. Installing the switch includes the following pro-
cedures:
These switches (Figure 2.1) are used with a single
phase system, when the single phase NEUTRAL line
is to be connected to a Neutral Lug and is not to be
switched.
• Mounting the enclosure.
• Connecting utility and generator power source leads.
• Connecting the load leads.
• Connecting the generator sensing leads.
• Connecting any auxiliary contact (if needed)
• Installing/connecting any options and accessories.
• Testing functions.
Figure 2.1 — Typical 2-Pole Transfer Mechanism
(200 Amp Shown)
2.2 UNPACKING
Carefully unpack the transfer switch. Inspect closely
for any damage that might have occurred during ship-
ment. The purchaser must file with the carrier any
claims for loss or damage incurred while in transit.
Check that all packing material is completely
removed from the switch prior to installation.
2.3 MOUNTING
Mounting dimensions for the transfer switch enclo-
sure are in this manual. Enclosures are typically
wall-mounted. See “Mounting Dimensions” on page 8.
2.4.2 3-POLE MECHANISM
◆
Handle transfer switches carefully when
These switches (Figure 2.2) are used with a three
phase system, when the three phase NEUTRAL line is
to be connected to a NEUTRAL lug and is not to be
switched. It is also used with a single phase system
when the neutral is to be switched (NEUTRAL to be
connected to third pole).
installing. Do not drop the switch. Protect the
switch against impact at all times, and against
construction grit and metal chips. Never install
a transfer switch that has been damaged.
!
Install the transfer switch as close as possible to the
electrical loads that are to be connected to it. Mount
the switch vertically to a rigid supporting structure.
To prevent switch distortion, level all mounting
points. If necessary, use washers behind mounting
holes to level the unit.
Figure 2.2 — Typical 3-Pole Transfer Mechanism
(200 Amp Shown)
2.4 CONNECTING POWER SOURCE
AND LOAD LINES
DANGER
Make sure to turn OFF both the UTILITY
(Normal) and EMERGENCY (Standby genera-
tor) power supplies before trying to connect
power source and load lines to the transfer
switch. Supply voltages are extremely high
and dangerous. Contact with such high volt-
age power supply lines causes extremely haz-
ardous, possibly lethal, electrical shock.
Wiring diagrams and electrical schematics are pro-
vided in this manual. Power source and load connec-
tions are made at a transfer mechanism, inside the
switch enclosure.
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Section 2 — Installation
Generac GTS “W” Type Transfer Switch
Solderless, screw-type terminal lugs are standard.
The conductor size range is as follows:
2.5 CONNECTING START CIRCUIT
WIRES
Control system interconnections (Page 11) consist of
UTILITY 1 and 2, LOAD 1 and 2; and leads 23 and
194. Control system interconnection leads must be
run in a conduit that is separate from the AC power
lead. Recommended wire gauge sizes for this wiring
depends on the length of the wire, as recommended
below:
Switch Rating
Wire Range
200A
#4-400 MCM
Conductor sizes must be adequate to handle the max-
imum current to which they will be subjected; based
on the 75°C column of tables, charts, etc. used to size
conductors. The installation must comply fully with
all applicable codes, standards and regulations.
MAXIMUM WIRE LENGTH
RECOMMENDED WIRE
SIZE
460 feet (140m)
No. 18 AWG.
No. 16 AWG.
No. 14 AWG.
No. 12 AWG.
Before connecting wiring cables to terminals, remove
any surface oxides from the cable ends with a wire
brush. All power cables should enter the switch next
to transfer mechanism terminals. If ALUMINUM con-
ductors are used, apply corrosion inhibitor to con-
ductors. Tighten terminal lugs to the torque values as
noted on the decal located on the inside of the door.
After tightening terminal lugs, carefully wipe away
any excess corrosion inhibitor.
461 to 730 feet (223m)
731 to 1,160 feet (354m)
1,161 to 1,850 feet (565m)
2.6 AUXILIARY CONTACTS
If desired, there are Auxiliary Contacts on the trans-
fer switch to operate customer accessories, remote
advisory lights, or remote annunciator devices.
A
suitable power source must be connected to the
COMMON (C) terminal. See Figure 2.3.
All power cables should enter the switch next to the
transfer mechanism terminals.
Contact operation is shown in the following chart:
Switch Position
Utility
Open
Closed
Standby
Closed
Open
Use a torque wrench to tighten the conduc-
tors, being sure not to overtighten, or dam-
age to the switch base could occur. If under-
Common to Normally Open
Common to Normally Closed
!
tightened, a loose connection would result,
causing excess heat which could damage the
switch base.
NOTE:
Auxiliary Contacts are rated 10 amps at 125 or
250 volts AC. DO NOT EXCEED THE RATED
VOLTAGE AND CURRENT OF THE CONTACTS.
Connect power source load conductors to clearly
marked transfer mechanism terminal lugs as follows
1. Connect utility (NORMAL) power source cables to
switch terminals N1, N2, (N3).
Figure 2.3 – Auxiliary Contacts
2. Connect emergency (STANDBY) source power
cables to transfer switch terminals E1, E2, (E3).
3. Connect customer LOAD leads to switch termi-
nals T1, T2, T3.
Conductors must be properly supported, of approved
insulative qualities, protected by approved conduit,
and of the correct wire gauge size in accordance with
applicable codes.
Optional
Auxiliary Contact
(Actuated)
Side views shown in Utility position
Be sure to maintain proper electrical clearance
between live metal parts and grounded metal. Allow
at least 1/2 inch for 100-400 amp circuits.
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Section 3 — Operation
Generac GTS “W” Type Transfer Switch
3.2.1 CLOSE TO NORMAL SOURCE SIDE
◆
3.1 FUNCTIONAL TESTS AND
Before proceeding, verify the position of the switch by
observing window “A” in Figure 3.1 on page 6. If win-
dow “A” reads “ON”, the contacts are closed in the
normal position, no further action is required. If it
reads “OFF”, proceed with Step 1.
ADJUSTMENTS
Following transfer switch installation and intercon-
nection, inspect the entire installation carefully. A
competent, qualified electrician should inspect it.
The installation should comply strictly with all appli-
cable codes, standards, and regulations. When
absolutely certain the installation is proper and cor-
rect, complete a functional test of the system.
Step 1: With the handle attached to the actuating
shaft, move handle in the direction of the
arrow on the switch cover until it stops — DO
NOT FORCE. Release handle slowly to allow
the spring in the switch box to relax. “ON”
now appears in Window “A” and “OFF”
appears in Window “B”.
Perform functional tests in the exact order
presented in this manual, or damage to the
switch could be done.
!
3.2.2 CLOSE TO EMERGENCY SOURCE SIDE
◆
IMPORTANT: Before proceeding with functional
tests, read and make sure you understand all
instructions and information in this section. Also
read the information and instructions of labels and
decals affixed to the switch. Note any options or
accessories that might be installed and review their
operation.
Before proceeding, verify the position of the switch by
observing window “B” in Figure 3.1 on page 6. If win-
dow “B” reads “ON”, the contacts are closed in the
EMERGENCY (Standby) position. No further action
is required. If it reads “OFF”, proceed with Step 1.
Step 1: With the handle attached to the actuating
shaft, move the handle in the direction of the
arrow on the switch cover until it stops - DO
NOT FORCE. Release handle slowly to allow
the spring in the switch box to relax. “OFF”
now appears in Window “A” and “ON” appears
in Window “B”.
3.2 MANUAL OPERATION
DANGER
Do NOT manually transfer under load.
Disconnect transfer switch from all power
sources by approved means, such as a main
!
3.2.3 RETURN TO NORMAL SOURCE SIDE
Manually actuate switch to return Window “A” to the
“ON” position.
◆
circuit breaker(s).
A manual HANDLE is shipped with the transfer
switch. Manual operation must be checked BEFORE
the transfer switch is operated electrically. To check
manual operation, proceed as follows:
3.3 VOLTAGE CHECKS
1. Turn ON the UTILITY power supply to the trans-
fer switch with whatever means provided (such as
the UTILITY maim line circuit breaker).
1. Turn the generator’s AUTO-OFF-MANUAL switch
to OFF.
2. Turn OFF both UTILITY and EMERGENCY
power supplies to the transfer switch, with what-
ever means provided (such as the main line cir-
cuit breakers).
3. Note position of transfer mechanism main con-
tacts by observing display windows in “A” and “B”
in Figure 3.1 on page 6 as follows:
• Window “A” ON, Window “B” OFF - LOAD termi-
nals (T1, T2, T3) are connected to utility termi-
nals (N1, N2, N3).
DANGER
PROCEED WITH CAUTION. THE TRANSFER
SWITCH IS NOW ELECTRICALLY HOT. CONTACT
WITH LIVE TERMINALS RESULTS IN EXTREMELY
HAZARDOUS AND POSSIBLY FATAL ELECTRI-
CAL SHOCK.
2. With an accurate AC voltmeter, check for correct
voltage.
Single-phase utility supply:
• Window “A” OFF, Window “B” ON - LOAD termi-
nals (T1, T2, T3) are connected to emergency ter-
minals (E1, E2, E3).
Measure across ATS terminal lugs N1 and N2; N1
to NEUTRAL and N2 to NEUTRAL.
Three-phase utility supply:
Measure across ATS terminal lugs N1 to N2, N2
to N3, and N1 to N3.
Measure across ATS terminal lugs N1 to NEU-
TRAL, N2 to NEUTRAL, and N3 to NEUTRAL.
Do not use excessive force when operating
the transfer switch manually or the manual
handle could be damaged.
!
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Section 3 — Operation
Generac GTS “W” Type Transfer Switch
Figure 3.1 — Actuating Transfer Switch
3. When certain that UTILITY supply voltage is cor-
rect and compatible with transfer switch ratings,
turn OFF the UTILITY supply to the transfer
switch.
4. On the generator panel, set the AUTO-OFF-
MANUAL switch to MANUAL position. The gener-
ator should crank and start.
Single-phase generator supply:
Measure across ATS terminal lugs E1 to E2; E1
to NEUTRAL and E2 to NEUTRAL.
a. Frequency ......................................60-62 Hz
b. Terminals E1 to E2 ........................240-246 VAC
c. Terminals E1 to NEUTRAL ............120-123 VAC
d. Terminals E2 to NEUTRAL ............120-123 VAC
Three-phase generator supply:
5. Let the generator stabilize and warm up at no-
load for at least five minutes.
Measure across ATS terminal lugs E1 to E2, E2
to E3 and E1 to E3.
6. Set the generator's main circuit breaker (CB1) to
its ON or CLOSED position.
Measure across ATS terminal lugs E1 to NEU-
TRAL, E2 to NEUTRAL and E3 to NEUTRAL.
a. Frequency ......................................60-62 Hz
b. Terminals E1-E2, E2-E3, E1-E3 ....208-212 VAC
c. Terminals E1-N, E2-N, E3-N ..........120-122 VAC
It will also be necessary to verify that the phase rota-
tion of the utility matches the phase rotation of the
generator. This can be done by using a phase rotation
indicator.
DANGER
PROCEED WITH CAUTION. GENERATOR OUT-
PUT VOLTAGE IS NOW BEING DELIVERED TO
TRANSFER SWITCH TERMINALS. CONTACT
WITH LIVE TERMINALS RESULTS IN EXTREMELY
DANGEROUS AND POSSIBLY FATAL ELECTRI-
CAL SHOCK.
7. With an accurate AC voltmeter and frequency
meter, check the no-load, voltage and frequency.
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Section 3 — Operation
Generac GTS “W” Type Transfer Switch
•
•
Turn ON electrical loads to the full rated
wattage/amperage capacity of the generator.
DO NOT OVERLOAD.
Failure to do so may result in damage to cer-
tain rotary equipment.
With maximum rated load applied, check
voltage and frequency across transfer switch
terminals E1 and E2. Voltage should be
greater than 230 volts; frequency should be
greater than 59 Hz.
!
8. Set the generator’s main circuit breaker (CB1) to
its OFF or OPEN position.
9. Set the Auto/Off/Manual switch to the OFF posi-
tion to shut down the generator.
NOTE:
•
Let the generator run under rated load for at
least 30 minutes. With unit running, listen for
unusual noises, vibration, overheating, etc.,
that might indicate a problem.
Do NOT proceed until generator AC output voltage
and frequency are correct and within stated limits.
If the no-load voltage is correct but no-load fre-
quency is incorrect, the engine governed speed
probably requires adjustment. If no-load frequen-
cy is correct but voltage is not, the voltage regula-
tor may require adjustment.
5. When checkout under load is complete, set main
circuit breaker of the generator to the OFF or
OPEN position.
6. Let the generator run at no-load for several
minutes. Then, shut down by setting the AUTO-
OFF-MANUAL switch to its OFF position.
7. Move the switch's main contacts back to the
UTILITY position. For example, load connected to
utility power supply. Refer to Manual Operation
on page 5. Handle and operating lever of transfer
switch should be in down position.
8. Turn on the utility power supply to transfer
switch, using whatever means provided (such as
a utility main line circuit breaker). The utility
power source now powers the loads.
3.4 GENERATOR TESTS UNDER LOAD
1. Set the generator's main circuit breaker to its
OFF or OPEN position.
2. Manually actuate the transfer switch main con-
tacts to their emergency (Standby) position.
Refer to Manual Operation on page 5.
3. To start the generator, set the AUTO-OFF-
MANUAL switch to MANUAL. When engine starts,
let it stabilize for a few minutes.
4. Turn the generator's main circuit breaker to the
ON or CLOSED position. The generator now pow-
ers all LOAD circuits. Check generator operation
under load as follows:
9. Set the generator's AUTO-OFF-MANUAL switch to
its AUTO position. The system is now set for fully
automatic operation.
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Section 4 — Mounting Dimensions
Generac GTS “W” Type Transfer Switch
Mounting Dimensions – Drawing No. 0D3714-B
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Section 5 — Electrical Data
Generac GTS “W” Type Transfer Switch
Interconnection Diagram - Drawing No. 074106-B
A D 2
A D 1
2
1
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Section 5 — Electrical Data
Generac GTS “W” Type Transfer Switch
200 Amp, 2-pole Switch – Drawing No. 0D3819-A
TR
1
F1
F2
N1
N2
126
N1A
N1A
7
N2A
N2A
126
N1A
A1
B1
T1 T2
205
LS1
2
3
5
6
LS3
6
RED
TR
9
N2A
WHITE
1
4
E1
LS2
A2
B2
E1
E2
N2A
23
23
B
TR
A
C
- CONTACTOR ACTUATING COIL
GTS - TRANSFER SWITCH CONTACTOR
TR - RELAY, TRANSFER
194
194
TS - TERMINAL STRIP (CUSTOMER CONNECTION)
LS1,LS2,LS3 - LIMIT SWITCHES, ACTUATOR
F1,F2 - FUSE 5A SENSING
NOTES:
ALL CONTACTS SHOWN WITH
TRANSFER SWITCH IN UTILITY
POSITION.
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Section 5 — Electrical Data
Generac GTS “W” Type Transfer Switch
200 Amp, 2-pole Switch – Drawing No. 0D3819-A
N2A
N2A
N1A
N1A
N1
N2
N1A
E1
T1
E2
T2
N2A
E2
N2A
205
N2A
E1
126
N1A
N1A
126
205
A
B
7
9
1
3
N2A
194
N1A
23
205
E1
23
194
N1A
N2A
N1A
N1A
N2A
F2
23
194
N1
23
N2
194
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Section 5 — Electrical Data
Generac GTS “W” Type Transfer Switch
200 Amp, 3-pole Switch – Drawing No. 0D3818-A
TR
1
PM
F1
F2
1
8
N1
N2
126
N1B
N1B
N1A
7
N2A
N1B
3
4
N2A
N2A
5
126
N3
N1B
A1
B1
T1 T2
205
LS1
2
3
5
6
LS3
6
RED
TR
9
N2A
WHITE
1
4
E1
LS2
A2
B2
E1
E2
N2A
23
23
B
A
C
- CONTACTOR ACTUATING COIL
GTS - TRANSFER SWITCH CONTACTOR
194
194
PM - POWER MONITOR, 3 PHASE UTILITY
TR - RELAY, TRANSFER
TS - TERMINAL STRIP (CUSTOMER CONNECTION)
LS1,LS2,LS3 - LIMIT SWITCHES, ACTUATOR
F1,F2 - FUSE 5A SENSING
NOTES:
1.) ALL CONTACTS SHOWN WITH
TRANSFER SWITCH IN UTILITY
POSITION.
2.) FOR SINGLE PHASE OPERATION,
ADD JUMPER WIRE FROM PM
TERMINALS 1 TO 8.
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Section 5 — Electrical Data
Generac GTS “W” Type Transfer Switch
200 Amp, 3-pole Switch – Drawing No. 0D3818-A
N2A
N2A
N3
N1B
N1B
N1
N2
N3
E1
T1
E2
T2
E3
T3
N2A
N1B
N3
E2
N2A
205
N2A
E1
126
N1B
N1B
126
N2A
205
A
B
7
9
1
3
6
194
23
205
23
E1
N1B
N1B
194
N3
N3
N1A
7
N1B
N2A
2
1
8
5
N3
N2A
23
F2
N2A
194
3
4
6
N1B
N1
N2
N3
N2A
N1B
N2A
N2A
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Section 6 — Exploded Views and Parts List
Generac GTS “W” Type Transfer Switch
200 A, 2Pole Switch Assembly – Drawing No. 0E2868$-D
-
-
A D
A D
2
1
0C7907H-S
0A9949-S
-
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Section 6 — Exploded Views and Parts List
Generac GTS “W” Type Transfer Switch
200 A, 2Pole Switch Assembly – Drawing No. 0E2868$-D
ITEM
PART NO.
QTY.
DESCRIPTION
1
2
3
4
5
6
7
8
9
0C8884
0A9949
0C4896
067989
026902
0C7907H
022127
057329
027482
022097
0C8275
073591
090388
0A1495
063617
0C2454
0A1661
0C4449A
0E2865
0D3718
0C8308
0A2595
022264
0E4313
064101
0E2866
025870
063378
064761
063321
073590A
0D3587
067210A
0A9457
0D4545
0E4307
081221
0E4358
0E5567
022129
1
6
6
6
6
2
1
1
1
3
4
4
5
6
1
2
2
1
1
1
2
1
6
1
4
1
1
5
5
1
4
1
1
1
1
1
1
2
1
1
XFER SW-W 200A600V2P
LUG SLDLSS 400-#4X1/4-20 CU7AL
SCREW FHM M8-1.25 X 20MM CR
NUT LOCK FL M8-1.25 YEL CHR
SCREW HHTT #8-32 X 1/4 CZ
COVER LUG 2P 150/200AMP
NUT HEX 1/4-20 STEEL
LUG SLDLSS 350-#6X13/32 AL/CU
WASHER SHAKEPROOF EXT 5/16 STL
WASHER LOCK M6-1/4
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36*
37
38**
39***
40
SCREW PPHM DSEMS M4-7 X 10 ZNC
FUSE HOLDER
SCREW HHTT M6-1.0 X 12 ZINC
SCREW HHTT M4-0.7 X 10 BP
RELAY PNL 12VDC DPDT 10A@240VA
SCREW TH-FRM M6-1X16 N WA Z/JS
RIVET POP .156 X .675 AL
ASS'Y-NTRL BL150-200A
WELDMENT,TRANSFER SWITCH BOX
COVER, TRANSFER SWITCH BOX
DECAL TERMINAL SHOCK HAZARD
DECAL TERMINAL STRIP
WASHER LOCK #8-M4
DECAL,SWITCH RATING
NUT LOCK FL 3/8-16
SUBPLT 200A TS 3R
NUT WING 1/4-20
HOLDER CABLE TIE
TIE WRAP UL 5.6 X .10 NATL
HANDLE XFER SWITCH 1-400A
FUSE 5A X BUSS
DECAL, FUSE REPLACEMENT
DECAL GROUND LUG
DECAL NEUTRAL
DECAL, MANUAL OPERATION
DECAL,TEST SEQUENCE 2P TS 3R
DECAL-UL LIST HSB
DECAL,LUG TORQUE INFO
DECAL,TRANSFER SWITCH
WASHER LOCK M8-5/16
* CENTER DECAL ON INSIDE OF THE COVER (ITEM #20)
** INSTALL ACROSS E & N TERMINALS
***INSTALL ON FRONT OF THE COVER (ITEM #20)
®
Generac Power Systems, Inc. 15
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Section 6 — Exploded Views and Parts List
Generac GTS “W” Type Transfer Switch
200 A, 3-pole Switch Assembly – Drawing No. 0E4312$-F
C7907D-S
0A9949-S
-
-
®
16 Generac Power Systems, Inc.
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Section 6 — Exploded Views and Parts List
Generac GTS “W” Type Transfer Switch
200 A, 3-pole Switch Assembly – Drawing No. 0E4312$-F
ITEM
PART NO.
QTY.
DESCRIPTION
1
2
3
4
5
6
7
8
9
0C8885
0A9949
0C4896
067989
026902
0C7907D
045771
057329
027482
022097
0C8275
073591
090388
0A1495
063617
047411
0A1661
0C4449A
0E2865
0D3718
0C8308
0C2262
0F6165
0F5569
064101
0E2866
087680
063378
064761
063321
073590A
0D3587
067210A
0A9457
0D4545
0E4307
081221
0A2284
063306
066972
0E4358
0F6521
022129
1
9
9
9
7
2
1
1
1
3
4
2
5
6
1
2
2
1
1
1
2
1
2
1
4
1
1
5
5
1
2
1
1
1
1
1
1
2
1
1
2
1
1
XFER SW-W 200A600V3P
LUG SLDLSS 400-#4X1/4-20 CU7AL
SCREW FHM M8-1.25 X 20MM CR
NUT LOCK FL M8-1.25 YEL CHR
SCREW HHTT #8-32 X 1/4 CZ
COVER LUG 3P 150/200AMP
NUT HEX M8-1.25 G8 CLEAR ZINC
LUG SLDLSS 350-#6X13/32 AL/CU
WASHER SHAKEPROOF EXT 5/16 STL
WASHER LOCK M6-1/4
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36*
37
38
39
40
41**
42***
43
SCREW PPHM DSEMS M4-7 X 10 ZNC
FUSE HOLDER
SCREW HHTT M6-1.0 X 12 ZINC
SCREW HHTT M4-0.7 X 10 BP
RELAY PNL 12VDC DPDT 10A@240VA
SCREW HHC M6-1.0 X 16 G8.8
RIVET POP .156 X .675 AL
ASS'Y-NTRL BL150-200A
WELDMENT,TRANSFER SWITCH BOX
COVER, TRANSFER SWITCH BOX
DECAL TERMINAL SHOCK HAZARD
DECAL TERMINAL STRIP
WASHER M6 NYLON
DECAL,SWITCH RATING
NUT LOCK FL 3/8-16
SUBPLT 200A TS 3R
NUT WING M6-1.0
HOLDER CABLE TIE
TIE WRAP UL 5.6 X .10 NATL
HANDLE XFER SWITCH 1-400A
FUSE 5A X BUSS
DECAL, FUSE REPLACEMENT
DECAL GROUND LUG
DECAL NEUTRAL
DECAL, MANUAL OPERATION
DECAL,TEST SEQUENCE 2P TS 3R
DECAL-UL LIST HSB
SCREW SWAGE 8-32 X 1/2 Z/YC
3-PHASE POWER MONITR
SOCKET RELAY OCTAL 8P 300V-10A
DECAL,LUG TORQUE INFO
DECAL TRANSFER SWITCH RTS
WASHER LOCK M8-5/16
* CENTER DECAL ON INSIDE OF THE COVER (ITEM #20)
** INSTALL ACROSS E & N TERMINALS
***INSTALL ON FRONT OF THE COVER (ITEM #20)
®
Generac Power Systems, Inc. 17
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Section 7 — Warranty
Generac GTS “W” Type Transfer Switch
GENERAC POWER SYSTEMS STANDARD TWO-YEAR LIMITED WARRANTY
FOR GENERAC TRANSFER SWITCH SYSTEMS
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 sale, which ever occurs first, Generac Power Systems, Inc. will, at its
option, repair or replace any part(s) which, upon examination, inspection, and testing by Generac Power Systems or an Authorized/Certified Generac Power
Systems Dealer, or branch thereof, is found to be defective under normal use and service, in accordance with the warranty schedule set forth below. Any equip-
ment that the purchaser/owner claims to be defective must be examined by the nearest Authorized/Certified Generac Power Systems Dealer, or branch thereof.
This warranty applies only to Generac Power Systems Transfer Switch used in "Standby" applications, as Generac Power Systems, Inc. has defined Transfer
Switch applications, provided said generator has been initially installed and/or inspected on-site by an Authorized/Certified Generac Power Systems Dealer, or
branch thereof. Scheduled maintenance, as outlined by the generator owner's manual, must be performed by an Authorized/Certified Generac Power Systems
Dealer, or branch thereof. This will verify service has been performed on the unit throughout the warranty period. This warranty is limited to and available only on
Liquid-cooled units.
WARRANTY SCHEDULE
YEAR ONE — One hundred percent (100%) coverage on mileage, labor, and parts listed.
• ALL COMPONENTS
YEAR TWO — One hundred percent (100%) coverage on parts listed.
• ALL COMPONENTS — PARTS ONLY
Guidelines:
Travel allowance is limited to 300 miles maximum, and 7.5 hours maximum (per occurrence), round trip, to the nearest authorized Generac Service Facility, and
only applies to permanently wired and mounted units.
• Any and all warranty repairs and/or concerns, must be performed and/or addressed by an Authorized/Certified Generac Power Systems Dealer, or branch
thereof.
• A Generac Power Systems, Inc. Transfer Switch is highly recommended to be used in conjunction with the generator set. If a Non-Generac Power Systems,
Inc. Transfer Switch is substituted for use and directly causes damage to the generator set, no warranty coverage shall apply.
• All warranty expense allowances are subject to the conditions defined in Generac Power Systems Warranty, Policies, Procedures and Flat Rate Manual.
• Units that have been resold are not covered under the Generac Power Systems Warranty, as this Warranty is not transferable.
• Unit enclosure is only covered during the first year of the warranty provision.
• Use of Non-Generac replacement part(s) will void the warranty in its entirety.
• Engine coolant heaters (block-heaters), heater controls and circulating pumps are only covered during the first year of the warranty provision.
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING:
1. Any unit built/manufactured prior to July 1, 2004.
2. Costs of normal maintenance (i.e. tune-ups, associated part(s), adjustments, loose/leaking clamps, installation and start-up).
3. Any failure caused by contaminated fuels, oils, coolants/antifreeze or lack of proper fuels, oils or coolants/antifreeze.
4. Units sold, rated or used for "Prime Power", "Trailer Mounted" or "Rental Unit" applications as Generac Power Systems has defined Prime Power, Trailer
Mounted or Rental Unit. Contact a Generac Power Systems Distributor for Prime Power, Trailer Mounted or Rental Unit definition and warranty.
5. Failures caused by any external cause or act of God such as, but not limited to, collision, fire, theft, freezing, vandalism, riot or wars, lightning, earthquake,
windstorm, hail, volcanic eruption, water or flood, tornado, hurricane, terrorist acts or nuclear holocaust.
6. Products that are modified or altered in a manner not authorized by Generac Power Systems in writing.
7. Failures due, but not limited to, normal wear and tear, accident, misuse, abuse, negligence, or improper installation or sizing.
8. Any incidental, consequential or indirect damages caused by defects in materials or workmanship, or any delay in repair or replacement of the defective
part(s).
9. Damage related to rodent and/or insect infestation.
10. Failure due to misapplication, misrepresentation, or bi-fuel conversion.
11. Telephone, facsimile, cellular phone, satellite, Internet, or any other communication expenses.
12. Rental equipment used while warranty repairs are being performed (i.e. rental generators, cranes, etc.).
13. Overtime, holiday, or emergency labor.
14. Modes of transportation deemed abnormal (refer to Generac Power Systems Warranty, Policies, Procedures and Flat Rate Manual).
15. Steel enclosures that are rusting due to improper installation, location in a harsh or saltwater environment or scratched where integrity of paint applied is
compromised.
16. Any and all expenses incurred investigating performance complaints unless defective Generac materials and/or workmanship were the direct cause of the
problem.
17. Starting batteries, fuses, light bulbs, engine fluids, and overnight freight cost for replacement part(s).
THIS WARRANTY IS IN PLACE OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, SPECIFICALLY, GENERAC POWER SYSTEMS MAKES NO
OTHER WARRANTIES AS TO THE MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow limitations on how long an
implied warranty lasts, so the above limitation may not apply to purchaser/owner.
GENERAC POWER SYSTEMS ONLY LIABILITY SHALL BE THE REPAIR OR REPLACEMENT OF PART(S) AS STATED ABOVE. IN NO EVENT SHALL GEN-
ERAC POWER SYSTEMS BE LIABLE FOR ANY INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF SUCH DAMAGES ARE A DIRECT RESULT OF
GENERAC POWER SYSTEMS, INC. NEGLIGENCE.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations may not apply to purchaser/owner.
Purchaser/owner agrees to make no claims against Generac Power Systems, Inc. based on negligence. This warranty gives purchaser/owner specific legal
rights. Purchaser/owner also may have other rights that vary from state to state.
Generac Power Systems, Inc. • P.O. Box 8 • Waukesha, WI 53187
Ph: (262) 544-4811 • Fax: (262) 544-4851
Bulletin 0166260SBY / Printed in U.S.A. 6.04
Part No. 0E4334
Revision C (05/05/05)
Printed in U.S.A.
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