Owner’s Manual 100 Amp “V” Type Transfer Switch Models: 9227-2 4678-1 This manual should remain with the unit.
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.
Table of Contents • 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 you must work 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.
Section 1 — General Information Generac 100 Amp Transfer Switch 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 application, or improper procedures.
Section 2 — Installation Generac 100 Amp Transfer Switch 2.1 INTRODUCTION TO INSTALLATION This equipment has been wired and tested at the factory. Installing the switch includes the following procedures: • • • • • • Mounting the enclosure. Connecting power source and load leads. Connecting control wiring. Connecting any auxiliary contact (if needed) Installing/connecting any options and accessories. Testing functions. 2.2 UNPACKING Carefully unpack the transfer switch.
Section 2 — Installation Generac 100 Amp Transfer Switch Before connecting wiring cables to terminals, remove any surface oxides from the cable ends with a wire brush. If ALUMINUM conductors are used, apply joint compound to conductors. After tightening terminal lugs, carefully wipe away any excess joint compound. All power cables should enter the switch next to transfer mechanism terminals. Connect power source load conductors to clearly marked transfer mechanism terminal lugs as follows (Figure 2.3). 1.
Section 3 — Post Installation Start-Up Adjustments Generac 100 Amp Transfer Switch 3.1 FUNCTIONAL TESTS AND ADJUSTMENTS DANGER Following transfer switch installation and interconnection, inspect the entire installation carefully. A competent, qualified electrician should make the inspection. The installation should comply strictly with all applicable codes, standards, laws and regulations. All electrical connections must be correct and in compliance with applicable codes and standards. 4. 5.
Section 3 — Post Installation Start-Up Adjustments Generac 100 Amp Transfer Switch 3.3 TRANSFER SWITCH VOLTAGE CHECKS 1. Turn ON the UTILITY power supply to the transfer switch with whatever means provided (such as the UTILITY main line circuit breaker). DANGER 2. 3. 4. 5. 6. Proceed with caution. The transfer switch is now electrically hot. Contact with live terminals results in extremely hazardous and possibly fatal electrical shock.
Section 4 — Notes Generac 100 Amp Transfer Switch 7 Generac® Power Systems, Inc.
194 194 B A TR C1 NOTE: ALL CONTACTS SHOWN WITH TRANSFER SWITCH IN UTILITY POSITION.
Section 6 — Exploded Views and Parts Lists Transfer Switch – Drawing No. C3909-A A A A A A A DECAL A A A DECAL A A ENCLOSURE A A A A DECAL DETAIL B-B A 3 (GROUND LUG ASSEMBLY) 4 A 5 9 10 A 6 A A A DECAL A 7 11 12 A A A 8 2 1 3 4 1 2 13 14 A A A A A 6 5 7 8 A (BOTTOM POWER TERMINALS) A DECAL B A L A A A A A A TERM. STRIP REF. ONLY A DETAIL A-A DECAL B A 1 2 3 4 5 6 7 A (POWER TERMINAL LUG ASSEMBLY) A NOTE: TIGHTEN ITEM #24 TO 24-30 IN.
Section 7 — Warranty Generac 100 Amp Transfer Switch GENERAC POWER SYSTEMS STANDARD TWO-YEAR LIMITED WARRANTY FOR GENERAC TRANSFER SWITCH SYSTEMS For a period of 2 (two) years from the date of sale, Generac Power Systems, Inc.
