Generac Power Systems rtg16eza1 Owner's Manual

Generac Power Systems rtg16eza1 Owner's Manual

Automatic transfer switch
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INSTALLATION
GUIDELINES
Air-cooled Generators
THIS MANUAL MUST BE USED IN CONJUNCTION
WITH THE APPROPRIATE OWNER'S MANUAL.
This manual should remain with the unit.
n
NOT INTENDED FOR USE IN CRITICAL LIFE SUPPORT
APPLICATIONS.
n
THIS PRODUCT CAN BE INSTALLED BY THE HOMEOWNER.
HOWEVER, IF YOU ARE UNCOMFORTABLE WITH THE SKILLS
OR TOOLS REQUIRED, HAVE A QUALIFIED ELECTRICIAN OR
CONTRACTOR PERFORM THE INSTALLATION.
n
DEADLY EXHAUST FUMES! OUTDOOR INSTALLATION ONLY!

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Summary of Contents for Generac Power Systems rtg16eza1

  • Page 1: Installation Guidelines

    INSTALLATION GUIDELINES Air-cooled Generators NOT INTENDED FOR USE IN CRITICAL LIFE SUPPORT APPLICATIONS. THIS PRODUCT CAN BE INSTALLED BY THE HOMEOWNER. HOWEVER, IF YOU ARE UNCOMFORTABLE WITH THE SKILLS OR TOOLS REQUIRED, HAVE A QUALIFIED ELECTRICIAN OR CONTRACTOR PERFORM THE INSTALLATION. THIS MANUAL MUST BE USED IN CONJUNCTION DEADLY EXHAUST FUMES! OUTDOOR INSTALLATION ONLY! WITH THE APPROPRIATE OWNER’S MANUAL.
  • Page 2 WARNING! California Proposition 65 Engine exhaust and some of its constituents are known to the state of California to cause cancer, birth defects, and other reproductive harm. WARNING! California Proposition 65 This product contains or emits chemicals known to the state of California to cause cancer, birth defects, and other reproductive harm.
  • Page 3: Table Of Contents

    Table of Contents Section 1 — Safety Rules & General Information ............................. 2 Introduction ..................................... 2 Safety Rules ................................... 3 General Rules ..................................4 Section 2 — Unpacking/Inspection/Familiarization ........................... 6 Required Tools ..................................6 Unpacking ....................................7 Parts Shipped Loose ................................9 Section 3 —...
  • Page 4: Section 1 - Safety Rules & General Information

    Safety Rules & General Information Section 1 1.1 INTRODUCTION Thank you for purchasing this compact, high performance, air-cooled, engine-driven generator. It is designed to automatically supply electrical power to operate critical loads during a utility power failure. This unit is factory installed in an all-weather, metal enclosure that is intended exclusively for outdoor installation. This generator will operate using either vapor withdrawn liquid propane (LP) or natural gas (NG).
  • Page 5: Safety Rules

    1.2 SAFETY RULES Save These Instructions – The manufacturer suggests that these rules for safe operation be copied and posted near the unit’s installation site. Safety should be stressed to all operators and potential operators of this equipment. Study these SAFETY RULES carefully before installing, operating or servicing this equipment. Become familiar with this Installation Manual and with the unit.
  • Page 6: General Rules

    1.2.2 ELECTRICAL HAZARDS • All generators covered by this manual produce dangerous electrical voltages and can cause fatal electrical shock. Utility power delivers extremely high and dangerous voltages to the transfer switch, as does the standby generator when it is in operation. Avoid contact with bare wires, terminals, connections, etc., while the unit is running.
  • Page 7 1.3.2 NEC REQUIREMENTS Local code enforcement may require that Arc Fault Circuit Interrupters (AFCIs) be incorporated into the transfer switch distribution panel. The Transfer Switch provided with this generator has a distribution panel that will accept AFCIs (pre-wired transfer switches only). Siemens Part No.
  • Page 8: Section 2 - Unpacking/Inspection/Familiarization

     If this generator is used to power electrical load circuits normally powered by a utility power source, it is required by code to install a transfer switch. The transfer switch must effectively isolate the electrical system from the utility distribution system when the generator is operating (NEC 700, 701 &...
  • Page 9: Unpacking

    2.2 UNPACKING 1. With the box removed, you can see that this unit came with an automatic transfer switch. The transfer switch is an option and may not be included. 2. Remove the wood frame and lift the transfer switch, if present, off the top of the generator. Figure 2.1 —...
  • Page 10 5. There are two locks securing the lid, one on each side. To properly open the lid, press down on the lid above the side lock and unlock the latch. Repeat for the other side. If pressure is not applied from the top, the lid may appear stuck. NOTE: Always verify that the side locks are unlocked before attempting to lift the lid.
  • Page 11: Parts Shipped Loose

    8-17 kW MAIN AC/CONTROL WIRING CONDUIT HOLE w/CAP PLUG 20 kW MAIN AC/CONTROL WIRING CONDUIT HOLE w/CAP PLUG FUEL CONNECTION HOLE BASE FASCIA (IF EQUIPPED) Figure 2.6 — Generator Back View 2.3 PARTS SHIPPED LOOSE • Rubber Mounts (only for units that include fascia) •...
  • Page 12: Site Selection

    Site Selection and Preparation Section 3 3.1 SITE SELECTION No operable windows or openings in the wall permitted within 5 ft (1.52 m) from any point of the generator. 18 in (457 mm) Existing Wall 60 in (1524 mm) 60 in (1524 mm) Minimum Distance Clearance from operable 36 in...
  • Page 13 Install the generator set, in its protective enclosure, outdoors, where adequate cooling and ventilating air is always available (Figure 1.9). Consider these factors: • The installation of the generator must comply strictly with NFPA 37, NFPA 54, NFPA 58 and NFPA 70 standards. •...
  • Page 14: Site Preparation

    Figure 3.2 — Southwest Research Institute Decal (located inside the generator, next to the generator’s data decal) http://www.swri.org/4org/d01/fire/listlab/listprod/director.htm Based on this testing and the requirements of NFPA 37, Sec 4.1.4, the guidelines for installation of the generators listed above are changed to 18 in (457 mm) from the back side of the generator to a stationary wall or building.
  • Page 15: Section 4 - Generator Placement

    Figure 3.3 — Compacted Gravel Site Figure 3.4 — Concrete Pad Site After completing your SITE SELECTION and PREPARATION, Step 3 time for SECTION 4 - GENERATOR PLACEMENT Generator Placement Section 4 4.1 GENERATOR PLACEMENT With the Site Selection and Preparation performed, proceed with placement and installation of the generator itself. All of the air-cooled generators come with a composite pad.
  • Page 16 Figure 4.1 — Composite pad When mounting the generator to concrete, there are four mounting holes available for securing the generator, if codes require (two holes inside the front of the generator compartment and two holes in the back). See Figure 3.2. Figure 4.2 —...
  • Page 17: Section 5 - Fuel Conversion/Gas Requirements/Connections

    Figure 3.5 — Fascia Installation After completing GENERATOR PLACEMENT, proceed to Step 4 SECTION 5 — FUEL CONVERSION / GAS REQUIREMENTS / CONNECTIONS Fuel Conversion / Gas Requirements / Section 5 Connections 5.1 FUEL CONVERSION The generator was confi gured for natural gas operation at the factory. Press and turn fuel knob 180° to switch over to LP Vapor. NOTE: The orange fuel conversion knob is located on the top of the fuel mixer on the V-twin engine and under the fuel mixer on the single cylinder engine.
  • Page 18: Fuel Requirements And Recommendations

    FUEL KNOB LOCATIONS SHOWN FROM GENERATOR AIR BOX SIDE VIEW 8 kW GENERATOR FUEL KNOB 11-20 kW GENERATORS ORANGE FUEL FUEL KNOB CONVERSION KNOB Figure 5.1 — Fuel Conversion Knob Location for Single and Twin Cylinder Generators 5.2 FUEL REQUIREMENTS AND RECOMMENDATIONS With LP gas, use only the vapor withdrawal system.
  • Page 19: Fuel Consumption

    5.3 FUEL CONSUMPTION NOTE: Required fuel pressure for natural gas is 3.5-7 in water column (7-13 mm mercury). The required fuel pressure for LP Vapor is 10-12 in water column (19-22 mm mercury). These are approximate values, use the appropriate spec sheet or owner’s manual for specifi c values. Nat.
  • Page 20: Installing And Connecting Gas Lines

    5.4.1 NATURAL GAS PIPE SIZING To properly use this chart, fi nd the kW rating of the generator in the left column, and trace to the right. The number to the right is the maximum length (measured in feet / meters) allowed for the pipe sizes on top. The pipe sizes are measured by inside diameter (ID) to include any fi ttings, valves (must be full fl...
  • Page 21 2. Most applications will require an external manual full flow shutoff valve on the fuel line. Figure 5.2 — Full Flow Shutoff Valve 3. When connecting the gas line to the generator, use the provided section of UL Listed or AGA-approved flexible fuel line in accordance with local regulations.
  • Page 22 4. Never bend the flexible fuel line to avoid using an elbow. Bending the flexible line decreases its ability to absorb vibrations and defeats its purpose, as well as constricts the actual fuel flow. See Figure 5.5. 5. Check for leaks by spraying all connection points with a soap solution made of dishwashing soap and water. You should not see the solution be “blown away”...
  • Page 23: Section 6 - Electrical Connections

    Primary Regulator Per LP Provider BTU and Pressure Decal Check Distance with LP Provider Size tank Large Enough to provide required BTUs for Generator and ALL Check distance with Connected Appliance Regulator Manufacturer Loads. Be sure to correct for Weather Evaporation. Fuel Tank High Pressure Pipe Flex Fuel Line...
  • Page 24: Control Wiring

    6.2 CONTROL WIRING Control Wire Recommended Length and Size Maximum Wire Length Recommended Wire Size 1-115 ft (1-35 m) No. 18 AWG 116-185 ft (36-56 m) No. 16 AWG 186-295 ft (57-89 m) No. 14 AWG 296-460 ft (90-140 m) No.
  • Page 25: Battery Requirements

    NOTE: Main AC wiring must be in accordance with local jurisdiction and codes. 6. Strip the insulation off the wire ends. Do not remove excessive insulation. 7. Remove the two cap plugs located behind the breaker door and to the right of the Main Breaker. 8.
  • Page 26: Section 7 - Control Panel/Activation/Start-Up/Testing

    With the ELECTRICAL CONNECTIONS completed, Step 6 proceed to the fi nal step - SECTION 7 — CONTROL PANEL / ACTIVATION / START-UP / TESTING Control Panel / Activation / Start-up / Section 7 Testing CONTROL PANEL INTERFACE 7.1.1 USING THE AUTO / MANUAL / OFF BUTTONS (FIGURE 7.1) With the AUTO button pushed in, the engine may crank and start at any time without warning.
  • Page 27: Generator Activation

    Display Interface Menus The LCD display is organized as detailed below: • The “Home” page is the default page that will be displayed if no keys are pressed for fi ve (5) minutes. This page normally shows the current Status message and the current date and time. The highest priority active Alarm and/or Warning will be automatically posted on this page as well, and the backlight will fl...
  • Page 28 ACTIVATION CHART TROUBLESHOOTING Display Reads: Use ARROW keys to scroll to desired If the wrong language is chosen, it can be language. Press ENTER to select. changed later using the “edit” menu. Language English Display Reads: Press ENTER to begin the activation process. If ESCAPE is pressed instead of ENTER, the generator will only run in manual mode (for test purposes) and NOT ACTIVATED will...
  • Page 29: Check Manual Transfer Switch Operation

    7.3.1 Installation Assistant Interconnect System Self Test Feature (follow the on-screen prompts) Upon power up, this controller will go through a system self test which will check for the presence of utility voltage on the DC circuits. This is done to prevent damage if the installer mistakenly connects AC utility power sense wires into the DC terminal block.
  • Page 30: Generator Tests Under Load

    11. Connect the AC voltmeter test leads across terminal lugs E1 and neutral; then across E2 and neutral. In both cases, voltage reading should be 119-121 volts AC. If it’s not, verify that the MLCB is closed and verify AC output between the E1 and E2 of the MLCB and Neutral at the generator.
  • Page 31: Installation Summary

    7.8 INSTALLATION SUMMARY 1. Ensure that the installation has been properly performed as outlined by the manufacturer and that it meets all applicable laws and codes. 2. Test and confi rm proper operation of the system as outlined in the appropriate installation and owner’s manuals. 3.
  • Page 32: Section 8 - Troubleshooting

    Troubleshooting Section 8 PROBLEM CAUSE CORRECTION The engine will not crank. 1. Fuse blown. 1. Correct short circuit condition by replacing 7.5 Amp fuse in generator control panel. 2. Loose, corroded or defective battery cables. 2. Tighten, clean or replace as necessary.* 3.
  • Page 33: Section 9 - Quick Reference Guide

    Quick Reference Guide Section 9 Problem Things to Check Active Alarm Solution Unit running in AUTO but no GREEN Check MLCB. NONE Check MLCB if the MLCB is in the ON position. If it is in power in house. the ON position contact the servicing dealer. Unit shuts down during Check the LED’s / Screen for HIGH TEMPERATURE...
  • Page 34: Section 10 - Accessories

    Accessories Section 10 There are performance enhancing accessories available for air-cooled generators. Accessory Description Cold Weather Kit Recommended in areas where temperatures regularly fall below 32 ºF (0 ºC). Scheduled Maintenance Kit Includes all pieces necessary to perform maintenance on the generator along with oil recommendations. Auxiliary Transfer Switch Lockout Enables any of the transfer switches to completely lock out one large electrical load by tying into its control system.
  • Page 35: Section 11- Notes

    Notes Section 11...
  • Page 36: Section 12 - Interconnection Diagram

    Interconnection Diagram Section 12 12.1 INTERCONNECTION DRAWING 0K2516-B...
  • Page 38: Section 13 - Installation Diagram

    Installation Diagram Section 13 13.1 INSTALLATION DRAWING 0J9945-D...
  • Page 40 © Generac Power Systems, Inc. All rights reserved Generac Power Systems, Inc. S45 W29290 Hwy. 59 Specifi cations are subject to change without notice. Waukesha, WI 53189 No reproduction allowed in any form without prior written consent from Generac Power Systems, Inc.
  • Page 41 Owner’s Manual Automatic Transfer Switch 50 & 100 Amp Model Number RTG10EZA1 RTG12EZA1 RTG16EZA1 MODEL NUMBER: _________________________ SERIAL NUMBER: _________________________ DATE PURCHASED:________________________ Register your Generac product at: WWW.GENERAC.COM 888-436-3722 Para español , visita: http://www.generac.com/service‐support/product‐support‐lookup Pour le français, visiter : http://www.generac.com/service‐support/product‐support‐lookup...
  • Page 42 Automatic Transfer Switch Owner’s Manual...
  • Page 43 Table of Contents Section 1 Introduction and Safety Section 4 Operation 1.1 Introduction ............1 4.1 Functional Tests and Adjustments ......9 1.2 Safety Rules ............1 4.2 Manual Operation ...........9 4.2.1 Transfer Mechanism Manual Operation .....9 1.3 Safety Symbols and Meanings ......2 4.2.2 Close to Generator Source Side ......10 4.2.3 Return to Utility Source Side ......10 Section 2 General Information...
  • Page 44 This page intentionally left blank. Automatic Transfer Switch Owner’s Manual...
  • Page 45: Section 1 Introduction And Safety

    Introduction and Safety Section 1 Introduction and Safety 1.1 — Introduction Thank you for purchasing a Generac Power Systems Inc. product. This unit has been designed to provide high-performance, efficient operation, and years of use when maintained properly. Read this manual thoroughly and understand all of the instructions, cautions, and warnings before using this equipment.
  • Page 46: Safety Symbols And Meanings

    Introduction and Safety 1.3 — Safety Symbols and Meanings • Any voltage measurements should be performed with a meter that meets UL3111 safety standards, and meets or exceeds overvoltage class CAT III. Automatic Transfer Switch Owner’s Manual...
  • Page 47: Section 2 General Information

    General Information Section 2 General Information 2.1 — Unpacking The conductor size range is as follows: Conductor Carefully unpack the transfer switch. Inspect closely for Switch Wire Range Tightening Temp. any damage that might have occurred during shipment. Rating Torque Rating The purchaser must file with the carrier any claims for loss or damage incurred while in transit.
  • Page 48: Circuit Breakers Listed For Use

    General Information 2.2.2— Circuit Breakers Listed for Use Publications that outline the safe installation and manu- facturing of transfer switches are the following: This switch is listed for use with the following one inch • NFPA 70; National Electrical Code breakers: •...
  • Page 49: Section 3 Installation

    Installation Section 3 Installation 3.1 — Mounting the Transfer Switch Figure 3-1. Transfer Switch Mounting 3.2 — Mounting the Outdoor Connection Box Lift cover. Remove internal cover plate screw and internal cover. Remove the knock out in the lower right corner of Mounting dimensions for the transfer switch enclosure the external connection box and feed wires, 4-pin are in this manual.
  • Page 50: Routing The Flexible Conduit

    Installation Conductor sizes must be adequate to handle the maxi- mum current to which they will be subjected, based on the 75°C column of tables, charts, etc. used to size con- ductors. The installation must comply fully with all appli- cable codes, standards and regulations.
  • Page 51: Installing Branch Circuit Conductors - Usa Installations

    Installation 3.6 — Installing Branch Circuit 3.7 — Installing Branch Circuit Conductors – USA Installations Conductors – Canadian Installations Select which branch circuits will be protected by the generator in the normal power panel board. Select which branch circuits will be protected by Turn the circuit breaker in the normal power panel the generator in the normal power panel board.
  • Page 52: Installing Breakers

    Installation 3.8 — Installing Breakers IMPORTANT: AFCI and GFCI circuit breakers are not provided by the factory. If the circuits to be protected require AFCI or GFCI protection, or both, then listed protection shall be provided by the installer. The factory supplied breakers can be changed by the installer.
  • Page 53: Section 4 Operation

    Operation Section 4 Operation 4.1 — Functional Tests and • Manual operation handle in the DOWN position - LOAD terminals (T1, T2) are connected to Adjustments STANDBY terminals (E1, E2). Following transfer switch installation and interconnection, inspect the entire installation carefully. A competent, qualified electrician should inspect it.
  • Page 54: Close To Generator Source Side

    Operation 4.2.2— Close to Generator Source Side Set the generator's main circuit breaker (CB1) to its ON or CLOSED position. Before proceeding, verify the position of the switch by observing the position of the manual operation handle in . If the handle is DOWN, the contacts are closed Figure 4-1 in the GENERATOR (STANDBY) position.
  • Page 55: Checking Automatic Operation

    Operation With the generator in the AUTOMATIC mode, the system • Verify that the gas pressure remains within accept- is now set for fully automatic operation. able parameters (see the generator Installation Guidelines manual). 4.6 — Installation Summary • Let the generator run under rated load for at least 30 minutes.
  • Page 56 Operation This page intentionally left blank. Automatic Transfer Switch Owner’s Manual...
  • Page 57: Section 5 Drawings And Diagrams

    Drawings and Diagrams Section 5 Drawings and Diagrams 5.1 — Installation Drawing (USA) 5.1.1— Drawing No. 0H6447-A Automatic Transfer Switch Owner’s Manual...
  • Page 58: Installation Drawing (Canada)

    Drawings and Diagrams 5.2 — Installation Drawing (Canada) 5.2.1— Drawing No. 0L3138-A Automatic Transfer Switch Owner’s Manual...
  • Page 59: Interconnection Drawing

    Drawings and Diagrams 5.3 — Interconnection Drawing 5.3.1— Drawing No. 0H6453-B (Part 1 of 2) ALL CIRCUIT NEUTRAL CONDUCTORS NOT SHOWN FOR CLARITY 16 CIRCUIT LOAD CENTER 14 CIRCUIT LOAD CENTER 12 CIRCUIT LOAD CENTER EXTERNAL CONNECTION 10 CIRCUIT LOAD CENTER 8 CIRCUIT LOAD CENTER TO GENERATOR OUTPUT...
  • Page 60 Drawings and Diagrams 5.3.2— Drawing No. 0H6453-B (Part 2 of 2) N2 T1 0D4698-T LEGEND C1-UTILITY COIL & RECTIFIER C2-GENERATOR COIL & RECTIFIER F1,F2,F3-5A, 600V FUSE LC-CIRCUIT BREAKER (LOADS) (16 CIRCUIT SHOWN FOR REFERENCE ONLY) N-NEUTRAL EXTERNAL SW1-AUTOMATIC TRANSFER SWITCH CONNECTION SW2,SW3-LIMIT SWITCHES TB1-TERMINAL STRIP...
  • Page 61 Drawings and Diagrams 5.3.3— Drawing No. 0H6454-B EXTERNAL CONNECTION CONTROL TRANSFER TS TO LOAD SENSING GENERATOR 120VAC CONTROL OUTPUT PANEL UTILITY SENSING 240VAC OUTPUT BLACK OUTPUT GENERATOR NEUTRAL (WHITE) GROUND (GREEN) NEUTRAL CONNECTION INSIDE GROUND (GREEN) SWITCH NEUTRAL (WHITE) 240VAC TO RED (MAIN 2) MAIN DISTRIBUTION PANEL...
  • Page 62 Drawings and Diagrams Automatic Transfer Switch Owner’s Manual...
  • Page 64 Part No. 0H6448 Rev. G 06/16/15 Printed in USA Generac Power Systems, Inc. ©2015 Generac Power Systems, Inc. All rights reserved S45 W29290 Hwy. 59 Specifications are subject to change without notice. Waukesha, WI 53189 No reproduction allowed in any form without prior written 1-888-GENERAC (1-888-436-3722) consent from Generac Power Systems, Inc.
  • Page 65 WINDCHILL VERSION AIR INTAKE 457.2 [18.0] 914 [36.0] MINIMUM OPEN AREA [23.5] ON SIDES AND FRONT [26.0] 679.5 768.3 [26.8] [30.2] AIR OUTLET AIR INTAKE [8.3] TOP VIEW [12.1] 250.0 575.3 266.7 PRE-WIRED TRANSFER SWITCH [9.8] [22.7] 30.2 [ 1.2] [10.5] (IF SUPPLIED) LIFTING HOLES 4 CORNERS...

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