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®
POWER SYSTEMS, INC.
Owner’s Manual
100 and 200 Amp
“V”Type and “Y”Type
Transfer Switch
Models: 09227-0, 09228-0,
09229-0, and 09230-0
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 equip- ment. 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 from
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Table of Contents Because jewelry conducts electricity, wearing it Safety Rules..........................................Inside Front Cover may cause dangerous electrical shock. Remove all Section 1 — General Information ..................................2 jewelry (such as rings, watches, bracelets, etc.) 1.1 Introduction ............................................................2 before working on this equipment. 1.2 Equipment Description ..........................................2 If you
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Section 1 — General Information Generac “V” Type and “Y” Type Transfer Switch 1.1 INTRODUCTION 1.3 TRANSFER SWITCH DATA PLATE This manual has been prepared especially for the Affixed permanently to the transfer switch door is a purpose of familiarizing personnel with the design, DATA PLATE. Use the transfer switch only within the application, installation, operation and servicing of specific limits shown on the DATA PLATE and on the applicable equipment. Read the manual carefully other decals an
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Section2—Installation Generac “V” Type and “Y” Type Transfer Switch 2.1 INTRODUCTION TO INSTALLATION This equipment has been wired and tested at the fac- tory. Installing the switch includes the following pro- Handle transfer switches carefully when ! cedures: installing. Do not drop the switch. Protect the switch against impact at all times, and against Mounting the enclosure. construction grit and metal chips. Never install Connecting power source and load leads. a transfer switch that has
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Section2—Installation Generac “V” Type and “Y” Type Transfer Switch Figure 2.4 — 3-Pole Transfer Mechanism 2.4.1 2-POLE MECHANISMS These switches (Figures 2.2 and 2.3) are used with a single phase system, when the single phase NEU- TRAL line is to be connected to a Neutral Lug and is not to be switched. Figure 2.2 — 100 Amp 2-pole Transfer Mechanism Solderless, screw-type terminal lugs are standard. Conductor sizes must be adequate to handle the max- imum current to which they will be subjected
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Section2—Installation Generac “V” Type and “Y” Type Transfer Switch Figure 2.5 — Transfer Switch Interconnections (Drawing #79963-B) 00 UTILITY SUPPLY NEUTRAL CONNECTION N3, E3 AND T3 NOT USED ON SINGLE PHASE E1 SYSTEMS CB2 E2 TRANSFER SWITCH NEUTRAL E3 LUG N1 N2 N3 UTILITY 1 UTILITY 2 E1 E2 E3 LOAD 2 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 ELEC
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Section 3 — Operation Generac “V” Type and “Y” Type Transfer Switch 3.1 FUNCTIONAL TESTS AND 3.3 MANUAL OPERATION The pre-packaged transfer switch has a choice of two ADJUSTMENTS transfer mechanisms - the "V" type (Model 9227-0) Following transfer switch installation and intercon- and the "Y" type (Models 9228, 9229 and 9230). nection, inspect the entire installation carefully. A competent, qualified electrician should make the 3.3.1 “V” TYPE TRANSFER SWITCHES inspection. Test manual operation
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Section 3 — Operation Generac “V” Type and “Y” Type Transfer Switch 3.3.1 “Y” TYPE TRANSFER SWITCHES 3.4 VOLTAGE CHECKS 1. Turn ON the UTILITY power supply to the trans- A manual handle was shipped with the transfer fer switch with whatever means provided (such as switch. Test manual operation for “Y” type transfer the UTILITY maim line circuit breaker). switches as follows (Figure 3.2): 1. Check that the generator's Auto/Off/Manual DANGER switch has been set to OFF position. PROCEED WITH CAUT
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Section 3 — Operation Generac “V” Type and “Y” Type Transfer Switch 5. When checkout under load is complete, set main 3.5 GENERATOR TESTS UNDER LOAD circuit breaker of the generator to its OFF or 1. Set the generator's main circuit breaker to its OPEN position. OFF or OPEN position. 6. Let the generator run at no-load for several min- 2. Manually actuate the transfer switch main con- utes. Then, shut down by setting the tacts to their STANDBY position. Auto/Off/Manual switch to its OFF position.
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Section4—Notes Generac “V” Type and “Y” Type Transfer Switch ® Generac Power Systems, Inc. 9
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Section5—Electrical Schematics and Wiring Diagrams Interconnection Diagram - Drawing No. 074106-A ® 10 Generac Power Systems, Inc. 22 UTILITY 33 SUPPLY NEUTRAL CONNECTION 11 CB1 TRANSFER 44 SWITCH NEUTRAL LUG N1 N2 E1 E E2 UTILITY 1 T1 T T2 UTILITY 2 LOAD 1 NOTE: 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 RATINGS, CONTROL PANEL 2A @ 250Vac MIN. UTILI
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Section5—Electrical Schematics and Wiring Diagrams 200 Amp, 2-Pole Transfer Switch - Drawing No. 074498-B ® Generac Power Systems, Inc. 11 SCHEMATIC DIAGRAM WIRING DIAGRAM N2 N2 N1 N1 N1 N1 N2 126 A1 N2 1 126 N1 7 A2 TR GTS N2 B1 N1 N2 205 B2 N2 E2 T1 T2 T1 A1 B1 T1 T2 T2 205 LS1 2 3 5 6 NI LS3 E1 E2 6 E2 TR RED 205 E2 9 126 WHITE C N2 205 N2 4 1 E1 T2 N2 126 T2 E1 LS2 T1 GTS T1 A2 B2 1 TR B 9 6 3 NI E2 NI E1 205 N2 E1 E1 E1 N2 23 194 N2 N1 N1 23 23 B LEGEND TS TR C - CONTACTOR ACTUATING COIL A
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Section5—Electrical Schematics and Wiring Diagrams 3-Pole Transfer Switch - Drawing No. 074499-B ® 12 Generac Power Systems, Inc. SCHEMATIC DIAGRAM WIRING DIAGRAM N2 N2 N3 N1 N1A N1 N1 PM N1 N2 N3 126 A1 N2 A2 N2 B1 N2 205 N1 B2 GTS 1 3 T1 T2 T3 E2 126 N1 N2 4 T1 7 PM 5 TR T2 N1 N3 N2 A1 B1 NI T1 T2 E1 E2 E3 E2 205 205 LS1 2 3 5 6 N3 N2 E2 126 N3 T2 LS3 T1 6 E1 205 TR RED 126 205 9 N2 NI WHITE C NI 126 1 4 TR T2 E1 LS2 T1 GTS A 7 1 B 9 6 3 A2 B2 N2 E1 NI 205 E2 N3 E1 E E1 1 N1A NI 23 E1 194 2 1
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Section5—Electrical Schematics and Wiring Diagrams Transfer Switch - Drawing No. 081222-B ® Generac Power Systems, Inc. 13 WIRING DIAGRAM SCHEMATIC DIAGRAM N1A TR F1 N2A 1 126 N1A N1 N2A 7 205 N2A E1 E1 E1 9 6 N1A 205 N2A NB A (C1) TR GTS XA1 N2A 126 GTS XB1 XA1 E2 205 N1A A B B B E1 XB1 194 N2A N1A (C2) VR1 23 B VR2 C1 C2 E1 E2 194 F3 N2A T1A N1A T1 T1A T2A N1A T1A T2A T2A T2 E2 F4 F2 N2A N2 194 F1 F2 F3 F4 23 23 23 B 194 T2 TR N1 N2 T1 LEGEND T2 A T1 23 194 194 C1- SOLENOID COIL (UTILITY CLOSI
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Section 6 — Exploded Views and Parts Lists Transfer Switch - Drawing No. 078589-H DECAL 13 31 DECAL 14 10 12 26 44 15 9 1 10 11 36 10 12 2 3 4 35 37 38 39 40 41 32 33 34 DECAL 6 7 42 21 5 22 16 DECAL 25 24 43 3 8 33 18 20 23 19 32 33 17 ® 14 Generac Power Systems, Inc.
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Section 6 — Exploded Views and Parts Lists Transfer Switch - Drawing No. 078589-H ITEM PART NO. QTY. DESCRIPTION 1 62642 1 SWITCH TRANSFER-#79953 62677 1 SWITCH TRANSFER-#79953-A 64198 1 SWITCH TRANSFER-#79953-B 2 C2267 4 M5-.8 x 12 SWAGEFORM HHC 3 49226 6 WASHER, LOCK-M5 4 23897 4 WASHER, FLAT-M5 5 57073 1 LUG, NEUTRAL 6 27628 1 NUT, HEX .375-16 7 22131 1 WASHER, LOCK 3/8" 8 C2266 2 M5-.8 x 16 SWAGEFORM PPH 9 79954 1 DECAL, SWITCH RATING-#79953 79955 1 DECAL, SWITCH RATING #79953-A 79956 1 DECA
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Section 6 — Exploded Views and Parts Lists Transfer Switch - Drawing No. 078589-H 48 49 36 TO RETAIN COVER 33 22 22 23 16 21 9 11 12 13 23 A 19 7 3 16 21 A 8 DETAIL A-A 25 20 DECAL 28 (POWER TERMINAL LUG ASSY) A DECAL 35 14 A 15 16 47 24 (BOTTOM POWER TERMINALS) 45 43 40 41 42 34 4 5 6 32 11 12 31 1 46 TERM. STRIP REF. ONLY 44 10 39 DECAL 30 DECAL 26 18 37 DECAL 17 ® 16 Generac Power Systems, Inc.
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Section 6 — Exploded Views and Parts Lists Transfer Switch - Drawing No. 078589-H ITEM PART NO. QTY. DESCRIPTION 1 79849 1 ENCLOSURE 2* 74975 1 COVER, ENCLOSURE 3 71340 1 SWITCH, TRANSFER 100A. 2-POLE 4 C2267 4 M5-.8 x 12 SWAGEFORM HHC 5 49226 4 M5 LOCK WASHER 6 51713 4 M5 FLAT WASHER 7 63617 1 RELAY, 12V. DC 10A. 8 27628 1 NUT, .375-16 9 C2265 2 M4-.7 x 12 SWAGEFORM PPH 10 A1661 2 POP RIVET 11 22264 6 #8 LOCK WASHER 12 38150 6 #8 FLAT WASHER 13** 75353 1 DECAL, UL COMPONENT RECOGNITION 14 57073
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Section7—Warranty Generac “V” Type and “Y” 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 2 (two) years from the date of sale/start date, 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 a Generac Power Systems Authoriz
