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Automatic Transfer Switch
Owner’s Manual
ATS “HS” Type
Models: 004635-3
(200 Amp, 250 Volts)
and 004678-2
(100 Amp, 250 Volts)
This manual should remain with the unit.
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IMPORTANT SAFETY INSTRUCTIONS 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 be by means of suitable transfer equipment so as to isolate
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Table of Contents Remove all jewelry (such as rings, watches, Safety Rules..........................................Inside Front Cover bracelets, etc.) before working on this equipment. Section 1 — General Information ..................................2 If work must be done on this equipment while 1.1 Introduction ............................................................2 standing on metal or concrete, place insulative 1.2 Equipment Description ............................................
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Section 1 — General Information ATS “HS” Type Transfer Switch 1.1 INTRODUCTION 1.3 TRANSFER SWITCH DATA DECAL This manual has been prepared especially for the A DATA DECAL is permanently affixed to the transfer purpose of familiarizing personnel with the design, switch enclosure. Use this transfer switch only with application, installation, operation and servicing of the specific limits shown on the DATA DECAL and on the applicable equipment. Read the manual carefully other decals and labels tha
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Section 2 — Installation GTS “HS” 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 power source and load leads. Figure 2.1 — Typical 2-Pole Transfer
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Section 3 — Operation ATS “HS” Type Transfer Switch Connect power source load conductors to clearly IMPORTANT: Before proceeding with functional marked transfer mechanism terminal lugs as follows tests, read and make sure all instructions and infor- mation in this section are understood. Also read the 1. Connect UTILITY (NORMAL) power source cables information and instructions of labels and decals to switch terminals N1, N2. affixed to the switch. Note any options or accessories 2. Connect EMERG
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Section 3 — Operation ATS “HS” Type Transfer Switch 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. 3.2.2 CLOSE TO EMERGENCY SOURCE SIDE ◆ DANGER Before proceeding, verify the position of the switch by PROCEED WITH CAUTION. THE TRANSFER observing the position of the manual oper
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Section 3 — Operation ATS “HS” Type Transfer Switch 3.4 GENERATOR TESTS UNDER LOAD DANGER 1. Set the generator's main circuit breaker to its PROCEED WITH CAUTION. GENERATOR OUT- OFF or OPEN position. PUT VOLTAGE IS NOW BEING DELIVERED TO 2. Manually actuate the transfer switch main con- TRANSFER SWITCH TERMINALS. CONTACT tacts to their EMERGENCY (STANDBY) position. WITH LIVE TERMINALS RESULTS IN EXTREMELY Refer to Manual Operation (Section 3.2). DANGEROUS AND POSSIBLY FATAL ELECTRI- 3. To start
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Section 4 — Notes ATS “HS” Type Transfer Switch 7
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Section 4 — Notes ATS “HS” Type Transfer Switch 8
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Section 4 — Notes ATS “HS” Type Transfer Switch 9
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Section 5 — Installation Diagram ATS “HS” Type Transfer Switch Drawing No. 0E7081 10 294mm[11.57"] 41.5mm[1.63"] Ø6.3mm[Ø0.25"] 420mm[16.54"] 508.5mm[20.02"] 45mm[1.77"] 179.5mm[7.07"] 377mm[14.84"] KNOCKOUT SUITABLE FOR 1", 1-1/2" AND 2" CONDUIT SIZE 3 PLACES
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Section 6 — Electrical Data ATS “HS” Type Transfer Switch Transfer Switch Interconnections - Drawing No. 074106-B 11 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) T1 T T2 2 UTILITY 2 (N2) 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, SPST AC GENERATOR ELECTRICAL
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Section 6 — Electrical Data ATS “HS” Type Transfer Switch Electrical Schematic - Drawing No. 0E6093-B 12
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Section 6 — Electrical Data ATS “HS” Type Transfer Switch Electrical Schematic - Drawing No. 0E6093-B 13
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Section 7 — Exploded Views and Parts List ATS “HS” Type Transfer Switch 100A Transfer Switch Assembly – Drawing No. 0E8403$-F 14 ***** 31 32 35 5 30 18 2 3 4 22 120/240 ***** 14 40 SWITCH RATING 1 OR ALUMINUM WIRE OF AT LEAST 75° C RATING GENERAC POWER SYSTEMS, INC. WAUKESHA, WI. 13 CS3 CS3-8X16T 8 8X16T X16T 19 20 **** B B 33 34 39 ** ***** 10 11 13 STANDBY (C2 & VR2) 0C2237fv 12 26 16 073591 073591-T T 073591 073591-T T 073591 073591-T T 073591 073591-T T 30A, 30A, 600V 600V 30A, 30A, 600V 600
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Section 7 — Exploded Views and Parts List ATS “HS” Type Transfer Switch 100A Transfer Switch Assembly – Drawing No. 0E8403$-F ITEM PART NO. QTY. DESCRIPTION 1 0C2237 1 TR SW-HSB 100A 2P 250V 2 077033 6 LUG SLDLSS 1/0-#14X9/16 AL/CU 3 036932 6 SCREW PPHM #10-32 X 1/4 4 022152 6 WASHER LOCK #10 5 074908 4 SCREW HHTT M5-0.8 X 10 BP 6 045771 1 NUT HEX M8-1.25 G8 YEL CHR 7 062684 1 LUG SLDLSS 2/0-#12 X 11/32 CU 8 0C3168 1 WASHER LOCK SPECIAL 5/16 9 022129 1 WASHER LOCK M8-5/16 10 073590A 4 FUSE 5A X
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Section 7 — Exploded Views and Parts List ATS “HS” Type Transfer Switch 200A Transfer Switch Assembly – Drawing No. 0E5782$-J 22097 S 16 26 27 40 5 25 ***** 18 2 3 4 23 NOTE: TORQUE ITEM 120/240 SYSTEM VOLTAGE 3 TO 72±1 IN-LBS SERIAL NUMBER ***** 14 28 1 A A 13 CS C C CS3-8X16T 8X16 19 20 **** 63378 63378-T T 38 A 10 11 ***** C 34 35 36 ** 13 12 31 16 A A 21 A 17 0A9517 NEUT A CS3-8X 8X16 16T 22 *** 24 15 6 7 29 41 42 30 33 9 057329-S 8 ENCLOSURE DETAIL A-A (GROUND LUG ASSEMBLY) WS3 4X1 4S PT/NO
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Section 7 — Exploded Views and Parts List ATS “HS” Type Transfer Switch 200A Transfer Switch Assembly – Drawing No. 0E5782$-J ITEM PART NO. QTY. DESCRIPTION 1 0D9618 1 TR SW-HSB 200A 2P 250V 2 0E3375 6 LUG SLDLSS 250-#6 AL/CU 3 0F1252 6 SCREW BHSC 1/4-20 X 3/8 4 022097 6 WASHER LOCK M6-1/4 5 066849 5 SCREW HHTT M5-0.8 X 16 BP 6 045771 1 NUT HEX M8-1.25 G8 YEL CHR 7 057329 1 LUG SLDLSS 350-#6 X 13/32 AL/CU 8 027482 1 WASHER SHAKEPROOF EXT 5/16 STL 9 022129 1 WASHER LOCK M8-5/16 10 073590A 4 FUSE
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Section 8 — Warranty ATS “HS” Type Transfer Switch GENERAC POWER SYSTEMS, INC. WARRANTY/SERVICE Generac Power Systems, Inc. will warrant from the date of purchase that our transfer switch will be free from defects in material and workmanship for the items and periods set forth in the warranty statement found in the owners manual of the Generac Power Systems Inc. generator that this transfer switch will be utilized with. Any equipment that the purchaser/owner claims to be defective must be examin
