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Kohler 26RCA User Manual

Kohler 26RCA
92 pages
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Models:
14RCA
14RCAL
20RCA
20RCAL
26RCA
26RCAL
Controller:
RDC2
Residential/Commercial Generator Sets
TP-7091 4/23d
Installation
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Kohler 26RCA Specifications

General IconGeneral
TypePortable Generator
Starting SystemRecoil
Rated Output (Watts/kW)2600 Watts / 2.6 kW
Peak Output (Watts)3250 Watts
Noise Level (dBA)68 dBA
Rated AC Voltage (Volts)120 Volts
Rated AC Frequency (Hertz)60 Hz
PhaseSingle

Summary

Safety Precautions and Instructions

Accidental Starting

Guidance on preventing unintended generator set startup to avoid severe injury or death.

Engine Backfire/Flash Fire and Exhaust System

Exhaust System

Details on ensuring exhaust system integrity and preventing carbon monoxide hazards.

Fuel System and Hazardous Noise

Hazardous Noise

Information regarding potential hearing damage from generator noise and protective measures.

Hazardous Voltage/Moving Parts

Heavy Equipment and Hot Parts Safety

Hot Parts

Warning about hot engine and exhaust system components and safety precautions.

Introduction and Warranty Registration

Warranty Registration

Process for registering the generator set and obtaining an unlock code for AUTO mode.

List of Related Literature

Service Assistance

Section 1. Location and Mounting

1.1 Introduction

Overview of installation requirements and safety considerations for generator set location.

1.2 Lifting

Instructions and warnings for safely lifting and moving the generator set using proper equipment.

1.3 Generator Set Inspection

Procedure for thoroughly inspecting the generator set for any loose or damaged parts before installation.

1.4 Location and Mounting

Guidelines for selecting an outdoor location and preparing the mounting area for the generator set.

1.5 Dimension Drawings

Reference to drawings detailing generator set dimensions, clearances, and inlet locations.

1.6 Access the Air Intake Area

Procedure for removing enclosure panels to access internal components like the battery and electrical connections.

Section 2. Fuel

2.1 Fuel Requirements

Details on fuel types (natural gas, LPG) and required fuel supply pressure and flow rates.

2.1.2 Fuel Pipe Size

Recommendations for selecting appropriate fuel pipe sizes based on length and fuel type.

2.1.3 Connecting the Fuel Supply

Procedure for connecting the fuel supply line to the generator set, including sealant and flexible sections.

2.2 Fuel Conversion

Information on converting the generator set between natural gas and LPG fuel types.

2.2.1 Fuel Conversion, Original Fuel System, 14RCA/L

Steps to convert the 14RCA/L model between natural gas and LPG using orifice fittings.

2.2.2 Fuel Conversion, Original Fuel System, 20RCA/L

Steps to convert the 20RCA/L model between natural gas and LPG using orifice fittings.

2.2.3 Fuel Conversion, Revised Fuel System, 14/20/26RCA/L

Procedure for fuel conversion using a knob on the regulator for revised fuel systems.

Section 3. Electrical

3.1 Electrical Connections

Instructions for making electrical connections, including grounding and AC power supply requirements.

3.1.1 Wire Selection

Guidelines for selecting appropriate wire temperature ratings and types based on circuit requirements.

3.1.2 Grounding

Requirements and methods for properly grounding the generator set in compliance with codes.

3.1.3 Electrical Lead Entry

Locations and methods for drilling holes for electrical conduit entry into the generator enclosure.

3.1.4 Field Connections

Procedure for connecting the generator set to external loads, transfer switches, and accessories.

3.1.5 AC Power Supply

Requirements for connecting AC power for the battery charger and optional accessories, ensuring generator backup.

3.2 Battery

Safety precautions, description, and installation procedures for the generator set battery.

3.3 ATS and Accessory Communication Connections

Details on connecting automatic transfer switches and RBUS accessories to the generator set.

3.3.1 Communication Cable Specifications

Specifications for communication cables used with transfer switches and RBUS accessories, including length limits.

3.3.2 Transfer Switch Connection

Procedure for connecting Model RXT transfer switches and remote start/stop switches to the generator set.

3.3.3 System Connections with Accessory Modules

Guidance on connecting various accessory modules like APM, PIM, and load shed kits to the generator set.

Section 4. Prestart

4.1 Prestart Installation Check

Checklist of critical items to verify before starting the generator set for the first time after installation.

4.2 Set the Exerciser

Instructions for setting the generator set's automatic exercise schedule for weekly, bi-weekly, or monthly operation.

Section 5. Accessories

5.1 Introduction

Overview of available accessories for generator sets and general installation recommendations.

5.2 Carburetor Heater

Information on the carburetor heater for improved cold starting, including thermostat settings and power requirements.

5.3 Programmable Interface Module (PIM)

Details on the PIM for programmable inputs and dry contact outputs, including its configuration and connection.

5.4 OnCue Plus Generator Management System

System for monitoring and controlling the generator set remotely via computer, smartphone, or tablet.

5.5 Load Management Devices

Description of optional devices for managing electrical loads, including load shed kits and interface boards.

5.5.1 Power Relay Module

Description of the power relay module kit for load management, including its specifications and connections.

5.6 PowerSync Automatic Paralleling Module (APM)

Details on the APM for paralleling two generator sets, including features and compatible combinations.

5.7 Cold Weather Package

Recommendations and kits for reliable operation at temperatures below 0°C (32°F).

5.7.1 Battery Heater

Information on optional battery heater kits for improved cold weather performance, including specifications.

5.7.2 Breather Tube and Oil Heater

Details on kits to improve cold starting by heating the breather tube and oil.

5.7.3 Fuel Regulator Heater (20 and 26 kW models only)

Information on the fuel regulator heater for improved cold starting in extreme cold, requiring continuous AC power.

5.7.4 Alternator Weather Cover

Details on the alternator weather cover used to prevent frost and snow buildup on brushes.

5.7.5 Oil Pressure Sensor Boot

Function and installation of the oil pressure sensor boot to protect against moisture and frost.

Section 6. Drawings and Diagrams

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