Generac Power Systems rtg16eza1 Owner's Manual
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Generac Power Systems rtg16eza1 Owner's Manual

Automatic transfer switch
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Installation Guidelines

60 Hz Air-cooled Generators
8 kW to 22 kW
This product is not intended to be used in
a critical life support application. Failure to
adhere to this warning could result in
death or serious injury.
Register your Generac product at:
WWW.GENERAC.COM
1-888-GENERAC
(888-436-3722)
000918
WARNING
(000209a)

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Summary of Contents for Generac Power Systems rtg16eza1

  • Page 1: Installation Guidelines

    Installation Guidelines 60 Hz Air-cooled Generators 8 kW to 22 kW 000918 WARNING This product is not intended to be used in a critical life support application. Failure to adhere to this warning could result in death or serious injury. (000209a) Register your Generac product at: WWW.GENERAC.COM...
  • Page 2 Use this page to record important information about your generator set. Record the information found on your unit data label on this page. For the location of the unit data label, see your Model: Owner’s Manual. The unit has a label plate affixed to the inside partition, to the left of the control panel console.

  • Page 3: Table Of Contents

    Table of Contents Table of Contents Section 1: Safety Rules & General Information Section 6: Electrical Connections Introduction ............1 Generator Connections ........23 – Read This Manual Thoroughly .........1 Control Wiring ........... 23 – How to Obtain Service ..........1 Main AC Wiring ..........24 Safety Rules ............1 Battery Requirements ........
  • Page 4 Table of Contents This page intentionally left blank. Installation Guidelines For 60 Hz Air-cooled Generators...

  • Page 5: Section 1: Safety Rules & General Information Introduction

    Section 1: Safety Rules & General Information Section 1: Safety Rules & General Information Introduction CAUTION Thank purchasing this compact, high Indicates a hazardous situation which, if not avoided, performance, air-cooled, engine-driven generator. It is could result in minor or moderate injury. designed to automatically supply electrical power to operate critical loads during a utility power failure.

  • Page 6: General Hazards

    Section 1: Safety Rules & General Information General Hazards WARNING WARNING Moving Parts. Keep clothing, hair, and appendages away from moving parts. Failure This product is not intended to be used in to do so could result in death or serious injury. a critical life support application.

  • Page 7: Electrical Hazards

    Section 1: Safety Rules & General Information Electrical Hazards Fire Hazards DANGER WARNING Risk of Fire. Unit must be positioned in a Electrocution. Contact with bare wires, manner that prevents combustible material terminals, and connections while generator accumulation underneath. Failure to do so is running will result in death or serious injury.

  • Page 8: General Rules

    Section 1: Safety Rules & General Information General Rules well as any other federal, state, and local codes for minimum distances from other structures. DANGER • Verify the capacity of the natural gas meter or the LP tank in regards to providing sufficient fuel for Loss of life.
  • Page 9 Section 1: Safety Rules & General Information NFPA 110: Standard for Emergency and Standby Power Systems * NFPA 211: Standard for Chimneys, Fireplaces, Vents, and Solid Fuel Burning Appliances * NFPA 220: Standard on Types of Building Construction * NFPA 5000: Building Code * International Building Code ** Agricultural Wiring Handbook *** Article X, NATIONAL BUILDING CODE...
  • Page 10 Section 1: Safety Rules & General Information This page intentionally left blank. Installation Guidelines For 60 Hz Air-cooled Generators...

  • Page 11: Section 2: Unpacking And Inspection

    Section 2: Unpacking and Inspection Section 2: Unpacking and Inspection General NOTE: After unpacking, carefully inspect the contents for damage. It is advised to unpack and inspect the unit immediately upon delivery to detect any damage that may have occurred in transit. Any claims for shipping damage need to be filed as soon as possible with the freight carrier.
  • Page 12 Section 2: Unpacking and Inspection Perform a visual inspection for any hidden freight damage. If damage is present, contact the freight carrier. 000932 Figure 2-3. Circuit Breaker Box and Keys (As Shipped) There are two locks securing the lid, one on each 000600 side.

  • Page 13: Parts Shipped Loose

    Section 2: Unpacking and Inspection 000605 A. Main AC/Control Wiring hole for 3/4 inch conduit B.Main AC/Control Wiring hole for 1-1/4 inch conduit C. Fuel Connection Hole Figure 2-6. Rear of Generator Parts Shipped Loose Keys Main Line Circuit Breaker (MLCB) Locking Mechanism...
  • Page 14 Section 2: Unpacking and Inspection This page intentionally left blank. Installation Guidelines For 60 Hz Air-cooled Generators...

  • Page 15: Section 3: Site Selection And Preparation

    Section 3: Site Selection and Preparation Section 3: Site Selection and Preparation Site Selection No operable windows or openings in the wall permitted Existing Wall within 1.52 m (5 ft) from any point of the generator. 18 in (457 mm) 5 ft 5 ft Minimum Distance...

  • Page 16: Installation Guidelines For Stationary Air-Cooled Generators

    Section 3: Site Selection and Preparation Clearance at the top should be a minimum of 5 ft The weatherproof enclosure is constructed of non- (1.52 m) from any structure, overhang or combustible materials and it has been demon- projections from the wall. strated that a fire within the enclosure will not ignite combustible materials outside the enclosure.

  • Page 17: Site Preparation

    Section 3: Site Selection and Preparation Material Sufficient for Level Installation back side of the generator to a stationary wall or building. For adequate maintenance and airflow clearance, the • Dig a rectangular area approximately 5 in (127 area above the generator should be at least 5 ft (1.52 m) mm) deep [A] and about 6 in (152 mm) longer and with a minimum of 3 ft (.91 m) at the front and ends of the wider [B] than the footprint of the generator.
  • Page 18 Section 3: Site Selection and Preparation This page intentionally left blank. Installation Guidelines For 60 Hz Air-cooled Generators...

  • Page 19: Section 4: Generator Placement

    Section 4: Generator Placement Section 4: Generator Placement Generator Placement Fascia Installation (If Applicable) • All air-cooled generators come with a composite pad. Locate the four (4) threaded black rubber bumpers located in the Owner’s manual bag. The composite pad elevates the generator and helps •...
  • Page 20 Section 4: Generator Placement This page intentionally left blank. Installation Guidelines For 60 Hz Air-cooled Generators...

  • Page 21: Section 5: Fuel Conversion/Gas Connections

    Section 5: Fuel Conversion/Gas Connections Section 5: Fuel Conversion/Gas Connections Fuel Requirements and NFPA 58 for liquid propane applications. Once the generator is installed, verify fuel pressure NEVER drops Recommendations below the required specification. For further information regarding NFPA requirements refer to the NFPA website DANGER at www.nfpa.org.

  • Page 22: Fuel Line Sizing

    Section 5: Fuel Conversion/Gas Connections Fuel Consumption Generator Natural Gas Propane 1/2 Load Full Load 1/2 Load Full Load 8 kW 2.21 / 78 3.43 / 121 0.87 / 3.29 / 32 1.42 / 5.37 / 52 11 kW 3.48 / 123 5.64 / 166 1.19 / 4.49 / 43 2.01 / 7.62 / 73...

  • Page 23: Lp Vapor Pipe Sizing

    Section 5: Fuel Conversion/Gas Connections Natural Gas Pipe Sizing To determine correct gas pipe size, find the kW rating of NOTE: Add 2.5 ft (0.76 m) per any bend, tee or angle in the generator in the left column, and trace to the right. the pipe to the overall distance.

  • Page 24: Shutoff Valve

    Section 5: Fuel Conversion/Gas Connections Sediment Trap Verify the capacity of the natural gas meter or the LP tank in regards to providing sufficient fuel for both the Some local codes require a sediment trap. Install the generator and other operating appliances. recommended sediment trap as illustrated.
  • Page 25 Section 5: Fuel Conversion/Gas Connections Natural Gas Vapor Installation (typical) 000618a NG BTU = ft /h X 1000 Megajoules = m /h X 37.26 BTU and Pressure Decal Check Distance with Gas Provider Manual Shut Off Valve With Pressure Port Size Gas Meter for Generator Load Plus All Appliance Loads Flexible Fuel Line Sediment Trap...
  • Page 26 Section 5: Fuel Conversion/Gas Connections LP Vapor Installation (typical) 000619b NG BTU = ft /h X 2500 Megajoules = m /h X 93.15 BTU and Pressure Decal Check Distance with Gas Provider Primary Fuel Pressure Regulator Per LP Provider Manual Shut Off Valve Secondary Fuel Pressure Regulator Flexible Fuel Line Sediment Trap...

  • Page 27: Section 6: Electrical Connections

    Section 6: Electrical Connections Section 6: Electrical Connections Generator Connections NOTE: This wiring can be run in the same conduit if the appropriate insulation rated wire is used, or if the NOTE: Control wiring may be already wired on pre-wired provided sleeve is used to separate the high and low generators.

  • Page 28: Main Ac Wiring

    Section 6: Electrical Connections Main AC Wiring WARNING NOTE: Main AC wiring must be in accordance with local jurisdiction and codes. Strip the insulation off the wire ends. Do not (000138a) remove excessive insulation. Remove the two cap plugs located behind the Fill the battery with the proper electrolyte fluid if breaker door and to the right of the Main Breaker.

  • Page 29: Section 7: Control Panel/Start-Up/Testing

    Section 7: Control Panel/Start-up/Testing Section 7: Control Panel/Start-up/Testing Control Panel Interface Activation To receive the activation code, you must have the unit serial DANGER number and go to: www.generac.com, “Service & Support” Tab and then “Activate Your Home Standby” under the Automatic start-up.

  • Page 30: Setting The Exercise Timer

    Section 7: Control Panel/Start-up/Testing before the load is applied. If the temperature is at or • Exercise frequency (how often the exercise will above 50 ºF, the generator will startup with the normal take place): It can be set to WEEKLY, BIWEEKLY warm-up delay of 6 seconds.

  • Page 31: Check Manual Transfer Switch Operation

    Section 7: Control Panel/Start-up/Testing Check Manual Transfer Switch shutoff valves in the fuel supply lines must be open. Operation During initial start up only, the generator may exceed the Refer to the “Manual Transfer Operation” section of the normal number of start attempts and experience an Owner’s Manual for procedures.

  • Page 32: Electrical Checks

    Section 7: Control Panel/Start-up/Testing Electrical Checks Verify wiring from generator to E1, E2 and Neutral lugs at transfer switch. DANGER Set the generator main circuit breaker to OFF or OPEN. Electrocution. High voltage is present at Push the generator OFF button. The engine should transfer switch and terminals.

  • Page 33: Checking Automatic Operation

    Section 7: Control Panel/Start-up/Testing Shutting Generator Down While When testing under load is complete, turn OFF electrical loads. Under Load Set the generator main circuit breaker to OFF or OPEN. IMPORTANT NOTE: To turn the generator off during utility outages to perform maintenance, or conserve fuel, Let the engine run at no-load for 2-5 minutes.
  • Page 34 Section 7: Control Panel/Start-up/Testing This page intentionally left blank. Installation Guidelines For 60 Hz Air-cooled Generators...

  • Page 35: Section 8: Troubleshooting

    Section 8: Troubleshooting Section 8: Troubleshooting System Diagnosis Problem Cause Correction 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 2. Tighten, clean or replace as necessary.* cables.
  • Page 36 Section 8: Troubleshooting This page intentionally left blank. Installation Guidelines For 60 Hz Air-cooled Generators...

  • Page 37: Section 9: Quick Reference Guide System Diagnosis

    Section 9: Quick Reference Guide Section 9: Quick Reference Guide System Diagnosis To clear an active alarm, press the ENTER button twice and then press AUTO. If the alarm reoccurs, contact an Inde- pendent Authorized Service Dealer. Table 9-1. System Diagnosis Active Alarm Problem Things to Check...
  • Page 38 Section 9: Quick Reference Guide Table 9-1. System Diagnosis (Continued) Active Alarm Problem Things to Check Solution Unit will not start in Check the LED’s / Contact Independent Authorized Service OVERSPEED AUTO with utility loss. Screen for alarms. Dealer. Unit will not start in Check the LED’s / Contact Independent Authorized Service UNDERVOLTAGE...

  • Page 39: Section 10: Accessories

    Section 10: Accessories Section 10: Accessories Performance enhancing accessories are available for air-cooled generators. Accessory Description Cold Weather Kit Recommended in areas where temperatures fall below 32 ºF (0 ºC). Scheduled Maintenance Kit Includes all pieces necessary to perform maintenance on the generator along with oil recommendations.
  • Page 40 Section 10: Accessories This page intentionally left blank. Installation Guidelines For 60 Hz Air-cooled Generators...

  • Page 41: Section 11: Diagrams

    Section 11: Diagrams Section 11: Diagrams Interconnection Diagram (0K2516-C 1 of 2) Installation Guidelines For 60 Hz Air-cooled Generators...

  • Page 42: Interconnection Diagram (0K2516-C 2 Of 2)

    Section 11: Diagrams Interconnection Diagram (0K2516-C 2 of 2) Installation Guidelines For 60 Hz Air-cooled Generators...

  • Page 43: Drawing (0K7803-D 1 Of 2)

    Section 11: Diagrams Drawing (0K7803-D 1 of 2) [23.5] [26.0] 679.5 768.3 [26.8] [30.2] [8.3] [12.1] PRE-WIRED TRANSFER SWITCH 266.7 [10.5] (IF SUPPLIED) 30.2 [ 1.2] LIFTING HOLES 4 CORNERS 349.3 [13.8] SERVICE ENTRANCE TRANSFER SWITCH "DO NOT LIFT BY ROOF" (IF SUPPLIED) 477.4 558.8...

  • Page 44: Installation Drawing (0K7803-D 2 Of 2)

    Section 11: Diagrams Installation Drawing (0K7803-D 2 of 2) AIR INTAKE 457.2 [18.0] 914 [36.0] MINIMUM OPEN AREA ON SIDES AND FRONT AIR OUTLET AIR INTAKE TOP VIEW 250.0 575.3 [9.8] [22.7] HOLE LOCATIONS FOR OPTIONAL MOUNTING TO A CONCRETE PAD 530.0 16.0 [5/8] DIA.
  • Page 45 Section 11: Diagrams This page intentionally left blank. Installation Guidelines For 60 Hz Air-cooled Generators...
  • Page 46 Section 11: Diagrams This page intentionally left blank. Installation Guidelines For 60 Hz Air-cooled Generators...
  • Page 48 © 2015 Siemens All Rights Reserved Specifications are subject to change without notice. No reproduction allowed in any form without prior written consent from Siemens. Part No. 0K5804Y13 Revision E (09/28/15) Printed in U.S.A.
  • Page 49 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 50 Automatic Transfer Switch Owner’s Manual...
  • Page 51 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 52 This page intentionally left blank. Automatic Transfer Switch Owner’s Manual...

  • Page 53: 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 54: 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 55: 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 56: 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 57: 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 58: 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 59: 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 60: 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 61: 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 62: 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 63: 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 64 Operation This page intentionally left blank. Automatic Transfer Switch Owner’s Manual...

  • Page 65: 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 66: 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 67: 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 68 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 69 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 70 Drawings and Diagrams Automatic Transfer Switch Owner’s Manual...
  • Page 72 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 73 WINDCHILL VERSION AIR INTAKE 457.2 [18.0] 914 [36.0] MINIMUM OPEN AREA [23.5] [26.0] ON SIDES AND FRONT 679.5 768.3 [26.8] [30.2] AIR OUTLET AIR INTAKE [8.3] TOP VIEW [12.1] PRE-WIRED TRANSFER SWITCH 266.7 250.0 575.3 [10.5] [9.8] [22.7] (IF SUPPLIED) 30.2 [ 1.2] LIFTING HOLES 4 CORNERS 349.3...

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