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The Kohler Generator model 20RESCL-SELS 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 20RESCL-SELS 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. Includes the OnCue Plus Generator System for remote monitoring at home or anywhere around the world.
Fuel choices
The 20RESCL-SELS 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-200ASE 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 RDC2 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 20RESCL-SELS 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-200ASE, 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.
* Requires local purchase of 12-Volt Group 51 battery with a minimum of 500 Cold Cranking Amps (CCA).
IMPORTANT: Warranty Coverage – Stationary standby applications used as a backup to a commercial utility source: Five (5) years from the registered startup date (or, if there is not a registered startup date, the date of purchase by the original end user) or 2000 hours (whichever occurs first). Startup service is not included, your local Kohler Dealer can quote the price for start up.
