Champion 22 kW fleX Home Standby (201016)
22000 W, dual-fuel
Generac Protector 20kW Diesel (RD02025)
Standby generator · Protector Series. Specs from the manufacturer page (checked ).
The Generac Protector 20kW Diesel (RD02025) is a diesel standby generator with a running output of 20,000 W. The page describes it as an automatic standby generator that restores power within seconds of an outage, and it carries a 5-year limited warranty.
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Running
20000W
Fuel
diesel
Weight
693.2kg
Key features
- Running output of 20,000 W from a 2.5 L 4-cylinder in-line diesel engine
- Evolution controller with a multilingual, two-line LCD text display and color-coded, backlit buttons
- Quiet-Test mode runs the weekly self-test at a lower, quieter RPM than standard operation
- Mobile Link connectivity for monitoring status from a smartphone, tablet or PC; standard on diesel (RD) models
- Extended tank option with full load runtime of 2+ days
- Isochronous governor with voltage regulation of +/- 1% and frequency regulation
- UL/CUL 142-listed double-walled base tank and UL/CUL 2200-listed generator
- Available in single- and three-phase configurations
What it is for
- residential backup power
- light commercial backup power
Specifications
| Running watts | 20000 W |
|---|---|
| Fuel | diesel |
| Weight | 693.2 kg (1528.2 lb) |
| Dimensions | 205.7 × 78.7 × 127 cm (81.0 × 31.0 × 50.0 in) |
From the Generac page. Values the manufacturer does not publish are left out.
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Connection and wiring
Follow the diagrams in the Generac manual. Connecting to a home panel needs a transfer switch or interlock and a licensed electrician.
Open the Generac manual (PDF) →
Error codes and troubleshooting
| Code | Meaning | What to do | Manual page |
|---|---|---|---|
| Auxiliary Shutdown | Active alarm that must be cleared before the generator can start. | Verify the controller-face emergency shutdown switch is ON (I). Clear the alarm. If equipped, the rocker switch must be set to ON (I) to clear it. | 17 |
| Overcrank | Fault during initial startup. The generator may exceed the normal number of start attempts because air accumulated in the fuel system during installation. | Reset the alarm and restart up to two more times, if necessary. If the unit still fails to start, contact an IASD for assistance. Call service if it persists. | 19 |
| Battery Problem | Listed as a warning. Warnings do not disable the unit or require immediate correction. No specific description given. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
| Canbus Error | Listed as a warning. Warnings alert the operator to conditions that do not disable the unit or require immediate correction. No specific description given. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
| Charger Missing AC | Listed as a warning. Warnings do not disable the unit or require immediate correction. No specific description given. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
| Charger Warning | Listed as a warning. Warnings do not disable the unit or require immediate correction. The manual notes a warning appears when the battery requires service. | Unless correctly trained to correct and clear warnings, contact an IASD or trained service technician. To clear the message, press OFF on the controller, then ENTER. Call service if it persists. | 26 |
6 of 54 codes. From the Generac manual. All 54 Guardian 24kW / Guardian 22kW / Guardian 26kW / Guardian 18kW codes →
FAQ
Can the Generac Protector 20kW Diesel (RD02025) start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 20000 W output (no separate peak published). That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.