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®
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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Important Safety 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 be by means of suitable transfer equipment so as to isolate the electric system ! f
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Table of Contents Safety Rules..........................................Inside Front Cover Because jewelry conducts electricity, wearing it Section 1 — General Information ..................................2 may cause dangerous electrical shock. Remove all 1.1 Introduction ............................................................2 jewelry (such as rings, watches, bracelets, etc.) 1.2 Equipment Description ............................................2 before working on this equipment. 1.3 T
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Section 1 — General Information Generac GTS “W” Type Transfer Switch When requesting information or ordering parts for this 1.1 INTRODUCTION equipment, make sure to include all information from This manual has been prepared especially for the the DATA DECAL. purpose of familiarizing personnel with the design, application, installation, operation and servicing of Record the Model and Serial numbers in the space pro- the applicable equipment. Read the manual carefully vided below for future refere
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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- These switches (Figure 2.1) are used with a single tory. Installing the switch includes the following pro- phase system, when the single phase NEUTRAL line cedures: is to be connected to a Neutral Lug and is not to be switched. Mounting the enclosure. Connecting utility and generator power source leads. Figure 2.1 — Typi
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Section 2 — Installation Generac GTS “W” Type Transfer Switch Solderless, screw-type terminal lugs are standard. 2.5 CONNECTING START CIRCUIT The conductor size range is as follows: WIRES Control system interconnections (Page 11) consist of Switch Rating Wire Range UTILITY 1 and 2, LOAD 1 and 2; and leads 23 and 200A #4-400 MCM 194. Control system interconnection leads must be run in a conduit that is separate from the AC power Conductor sizes must be adequate to handle the max- lead. Recommende
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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 ADJUSTMENTS observing window “A” in Figure 3.1 on page 6. If win- Following transfer switch installation and intercon- dow “A” reads “ON”, the contacts are closed in the nection, inspect the entire installation carefully. A normal position, no further action is required. If it competent, qualified electrician should in
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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- Single-phase generator supply: rect and compatible with transfer switch ratings, Measure across ATS terminal lugs E1 to E2; E1 turn OFF the UTILITY supply to the transfer to NEUTRAL and E2 to NEUTRAL. switch. a. Frequency ......................................60-62 Hz 4. On the generator panel, set the AUTO-OFF- b. Terminals E1 to E2 ..............
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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- With maximum rated load applied, check tain rotary equipment. ! voltage and frequency across transfer switch terminals E1 and E2. Voltage should be 8. Set the generator’s main circuit breaker (CB1) to greater than 230 volts; frequency should be its OFF or OPEN position. greater than 59
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Section 4 — Mounting Dimensions Generac GTS “W” Type Transfer Switch Mounting Dimensions – Drawing No. 0D3714-B ® 8 Generac Power Systems, Inc. 430 A A 612 490 A A 514 180 Values are in Millimeters Note: Diameter of Mounting holes (A) is 6.35 MM
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Section 5 — Electrical Data Generac GTS “W” Type Transfer Switch Interconnection Diagram - Drawing No. 074106-B ® Generac Power Systems, Inc. 9 22 33 UTILITY SUPPLY WITH SERVICE DISCONNECT NEUTRAL CONNECTION 11 CB1 TRANSFER 44 SWITCH NEUTRAL LUG N1 N2 E1 E E2 2 UTILITY 1 (N1) UTILITY 2 (N2) T1 T T2 2 LOAD 1 (T1) LOAD 2 (T2) NOTE: 23 POWER LEADS AND TRANSFER SWITCH 194 LEADS MUST BE RUN IN TWO DIFFERENT CONDUITS. REMOTE TEST SWITCH (OPTIONAL) CUSTOMER - OPEN SWITCH TO TEST - LOAD SWITCH TYPE, S
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Section 5 — Electrical Data Generac GTS “W” Type Transfer Switch 200 Amp, 2-pole Switch – Drawing No. 0D3819-A TR F1 1 126 N1 N1A N1A 7 F2 N2 N2A N2A 126 N1A A1 B1 T1 T2 205 LS1 2 3 5 6 LS3 6 RED TR 9 N2A WHITE C 1 4 E1 LS2 GTS A2 B2 E1 E2 N2A 23 23 B LEGEND TR C - CONTACTOR ACTUATING COIL A GTS - TRANSFER SWITCH CONTACTOR 194 194 TR - RELAY, TRANSFER TS - TERMINAL STRIP (CUSTOMER CONNECTION) LS1,LS2,LS3 - LIMIT SWITCHES, ACTUATOR F1,F2 - FUSE 5A SENSING NOTES: ALL CONTACTS SHOWN WITH TRANSF
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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 GTS N1A E1 E2 N2A T1 T2 E2 N2A 205 N2A E1 126 N1A N1A 126 TR 205 A 7 1 B 9 3 N2A 194 N1A 23 205 E1 E1 23 194 N1A N2A N1A N2A N1A 23 194 F1 F2 N1 23 N2 194 TS ® Generac Power Systems, Inc. 11 A1 A2 B1 B2 T1 UTILITY 1 T2 UTILITY 2 23 194
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Section 5 — Electrical Data Generac GTS “W” Type Transfer Switch 200 Amp, 3-pole Switch – Drawing No. 0D3818-A TR PM F1 1 1 8 N1 126 N1B N1B N1A 7 F2 N2A N2 N1B 3 N2A 4 PM 5 126 N3 N1B N2A A1 B1 T1 T2 205 LS1 2 3 5 6 LS3 6 RED TR 9 N2A WHITE C 1 4 E1 LS2 GTS A2 B2 E1 E2 N2A 23 23 B LEGEND TR C - CONTACTOR ACTUATING COIL A 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, AC
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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 GTS E1 E2 E3 N2A N1B T1 T2 T3 N3 E2 N2A 205 N2A E1 126 N1B N1B 126 TR N2A 205 A 7 1 B 9 6 3 194 23 205 E1 E1 23 N1B N1B 194 N3 N3 N1A N1B N2A 2 1 8 7 N3 N2A 23 F1 F2 PM N2A 194 3 4 5 6 N1B N1 N2 N2A N3 N1B N2A N2A TS ® Generac Power Systems, Inc. 13 A1 A2 B1 B2 T1 T2 UTILITY 1 UTILITY 2 23 194
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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$-D 0C7907H-S 0A9949-S ® 14 Generac Power Systems, Inc. 24 11 21 26 19 0E4313 GENERAC POWER SYSTEMS WAUKESHA WI, 53187 TRANSFER SWITCH 2 3 4 5 6 SWITCH IS FOR USE WITH CONTROL MODULE ASSEMBLY 15 #079844, #075595, AND #083494 C8308X C8308X 38 14 23 1 28 29 ON UTILITY 20 63378 63378-T T 32 10 13 12 31 6 Replace with UL listed fuse of same type and rating 0C8884-LS 600 Vol
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Section 6 — Exploded Views and Parts List Generac GTS “W” Type Transfer Switch 200 A, 2Pole Switch Assembly – Drawing No. 0E2868$-D ITEM PART NO. QTY. DESCRIPTION 1 0C8884 1 XFER SW-W 200A600V2P 20A9949 6 LUG SLDLSS 400-#4X1/4-20 CU7AL 3 0C4896 6 SCREW FHM M8-1.25 X 20MM CR 4 067989 6 NUT LOCK FL M8-1.25 YEL CHR 5 026902 6 SCREW HHTT #8-32 X 1/4 CZ 6 0C7907H 2 COVER LUG 2P 150/200AMP 7 022127 1 NUT HEX 1/4-20 STEEL 8 057329 1 LUG SLDLSS 350-#6X13/32 AL/CU 9 027482 1 WASHER SHAKEPROOF EXT 5/16 ST
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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$-F C7907D-S 0A9949-S ® 16 Generac Power Systems, Inc. 24 28 29 11 21 26 19 SYSTEM VOLTAGE SERIAL NUMBER 2 3 4 5 6 15 WAUKESHA, WI. C8308X C8308X 41 NOTE: TORQUE ITEMS 14 CS3 CS3-8X16T 8X16T 1 39 40 20 38 RATED VOLTAGE 480 VAC UL 600 VAC CSA 10 13 32 XXXXXX 6 12 31 A1 Replace with UL listed fuse of same 21 type and rating 0C8885-LS 600 Volt, 5 amp. 0D3587 14 13 C8308X
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Section 6 — Exploded Views and Parts List Generac GTS “W” Type Transfer Switch 200 A, 3-pole Switch Assembly – Drawing No. 0E4312$-F ITEM PART NO. QTY. DESCRIPTION 1 0C8885 1 XFER SW-W 200A600V3P 20A99499 LUG SLDLSS 400-#4X1/4-20 CU7AL 3 0C4896 9 SCREW FHM M8-1.25 X 20MM CR 4 0679899 NUT LOCK FL M8-1.25 YEL CHR 5 026902 7 SCREW HHTT #8-32 X 1/4 CZ 6 0C7907D 2 COVER LUG 3P 150/200AMP 7 045771 1 NUT HEX M8-1.25 G8 CLEAR ZINC 8 057329 1 LUG SLDLSS 350-#6X13/32 AL/CU 9 027482 1 WASHER SHAKEPROOF EXT
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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 Genera
