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Model # 20RESAL-SA7
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MSRP: $4,721.00
$4,497.00
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Kohler 20RESAL SA7 20kW Air Cooled Standby Generator with 200 Amp SE Rated ATS

  • High Quality Power Kohler provides advanced voltage and frequency regulation along with ultra-low levels of harmonic distortion for excellent generator power quality
  • Extraordinary Reliability 5-year or 2000 hour warranty
  • Powerful Performance Exclusive Power boost technology provides excellent starting power
  • Exclusive 100% Corrosion-Proof Enclosure
  • Fast Response Kohler's unique Fast-Response excitation system delivers excellent voltage response and short-circuit capability
  • Quiet Operation Kohler home generators provide quiet, neighborhood friendly performance
  • Kohler Command PRO-OHV engine with hydraulic valve lifters for reliable performance without routine valve adjustment or lengthy break-in requirements
  • Designed for Easy Installation Polymer base eliminates the need for a concrete mounting pad, reducing installation time and cost
  • Includes 200 amp Service Entrance Automatic Transfer Switch with load shed kit installed with NEMA 3R aluminum enclosure

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Details and Specifications


The Kohler Power Systems model 20RESAL-SA7 is a 20 kilowatt, air-cooled standby generator that provides electrical power to your home in the event of a power outage. Norwall Power Systems sells the 20RESAL-SA7 in a package with Kohler's RXT 200 service rated automatic transfer switch to provide your home with emergency electrical power whenever utility power is interrupted. It meets emission specifications set forth by the EPA and the California Air Resources Board (CARB), and can operate on either LP gas or natural gas. The standby generator starts and runs automatically during an outage without intervention to keep your home supplied with power, even if you are not home.

Fuel choices

The 20RESAL-SA7 will run on either LP gas (propane) or natural gas and the conversion is made in the field at the time of installation. LP gas offers a higher power capability of up to 20 kilowatts versus 18 kilowatts for natural gas. At maximum load, the generator consumes 3.7 gallons of LP gas or 281 cubic feet of natural gas every hour. At half load, consumption is reduced to 2.2 gallons of LP gas or 161 cubic feet of natural gas. Fuel consumption is dependent on the load, and as the load varies from minute to minute, so does the amount of fuel that is used.

Engine

Kohler's Command Pro CH1000 air-cooled engine with hydraulic lifters powers the generator. The 999 cc V-Twin attains a maximum of 32 horsepower, easily turning the generating unit at 3600 rpm under maximum load conditions. This engine uses a fully pressurized oil lubrication system that holds three quarts of oil and includes an integrated oil cooling unit, both features that offer extended, unattended run times. The maintenance schedule for oil and oil filter changes is 150 hours of run time or annually, and air filters and sparks plugs is 300 hours or annually.

Transfer Switch

The RXT 200 amp transfer switch works directly with the DC2 controller on board the generator. The transfer switch continuously monitors the utility line for electrical current and provides the data to the controller. When utility power is interrupted or falls below acceptable levels, a short delay before engine start prevents the generator from starting during a momentary outage. The generator engine starts, reaches operating speed, and the transfer switch moves the home's power source to the generator. After utility power is restored, the home is moved back onto utility power, the generator goes through an engine cool-down cycle, and then shuts down. The RXT-JFNC-0200ASE 200 amp service entrance automatic transfer switch with load shed kit installed with nema 3R aluminum enclosure.  The load shed kit monitors generator current and frequency to determine when to shed loads.  Two HVAC relays to control two independent air conditioner loads are included.

Controller

The DC2 controller works with the included transfer switch to automatically provide power during an outage. It includes a four button operator interface with an LCD display and LED indicators. The display provides a scrolling system status that includes eight functions that include generator status, voltage and frequency, and maintenance reminders. More than seventy diagnostic messages for the engine, alternator, transfer switch, load control module and programmable interface module are available on the display. The included Ethernet port allows use of Kohler's On Cue software for monitoring and controlling the generator.

Appearance and Noise

The 20RESAL-SA7 has a polymer enclosure that dampens sound and won't rust or corrode, even in harsh environments. The unit is 48 inches wide, 26 inches wide and 29 inches high. The top of the enclosure is a hinged, lockable cover for easy access to the controller. Under the lockable cover is a second lid that lifts for access to the oil dipstick and filler, oil filter and other generator parts. The 69 dB sound rating compares to the amount of noise made by many central air conditioning units.

Package Includes:
RXT-JFNC-0200ASE, Service Rated 200 Amp Automatic Transfer Switch with installed load shed kit, Nema 3R Aluminum Enclosure (Outdoor/Indoor rated).
Flexible Fuel Line Connector

* Check the appliance manufacturer’s specifications for actual power requirements. Consult a Kohler Power Systems professional to calculate your exact residential power system requirements.

IMPORTANT:  Warranty Coverage - Stationary standby applications used as a backup to a commercial utility source: Five (5) years or 2000 hours (whichever occurs first) from  date of shipment from  the factory or registered startup date.  Start up service is not included, your local Kohler Dealer can quote the price for start up.

Product Specifications

Model
Model Number 20RESAL-SA7
Manufacturer Kohler Power Systems
Made In USA Yes
Rated Watts 20kW LP/18kW NG
Rated Amps 83 LP/75 NG
Voltage 120/240V Single Phase
A/C Ton Rating 5 Ton
Enclosure Corrosion Proof Polymer
UL Listed Yes
Decibel Rating 69 dBA
Features
Starting System Automatic
Low Oil Alert Low Oil Pressure Shutdown
Hour Meter Yes
Battery Requirement Requires 12V Group 51 500 CCA
Mounting Pad Included
Shipping Weight 580 lbs.
Dimensions (Inches) 48L X 26.2W x 29H
Engine
Engine Brand Kohler CH1000
Engine Size 999 cc
Engine RPM 3600
Cooling System Air Cooled
Frequency 60 Hz
Auto Voltage Regulation Yes
Fuel
Fuel Type Natural Gas/LP (Propane)
NG Power Capacity 18kW
LP Power Capacity 20kW
NG Consumption @ Full Load 281 cu.ft/hr
NG Consumption @ 1/2 Load 161 cu.ft/hr
LP Consumption @ Full Load 3.7 gal/hr
LP Consumption @ 1/2 Load 2.2 gal/hr
Transfer Switch
Transfer Switch Model RXT-JFNC-0200ASE
Transfer Switch Amps 200 Amps
Transfer Switch Circuits Whole Service with installed load shed kit
ATS Poles 2 Pole
Warranty Information
Consumer Warranty 5 Year/2000 Hr Limited
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Product Reviews

  1. The Best Generator For The Money And Thanks Norwall PowerSystems For Great Service

    Posted by Jeff W on 7th Mar 2014

    I had my new Kohler generator in stalled last year and what a relief it was. When the power went out my Kohler generator kick rite into action in seconds my power was back on. The power was out for three days and it never miss a beat. Thanks Kohler & Norwall PowerSystems




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