HomeMy WebLinkAboutSPECS-3KOHLER• Models: 20RCA(L)
Multi -Fuel
09001 Standard Features
� KOHLER. • RDC2 Controller
NA110NALLY R[GI EReg
The Kohler® Advantage
• High Quality Power
Kohler home generators provide advanced voltage and
frequency regulation along with ultra -low levels of
harmonic distortion for excellent generator power quality to
protect your valuable electronics.
• Extraordinary Reliability
Kohler is known for extraordinary reliability and
performance and backs that up with a premium 5-year or
2000 hour limited warranty.
• Powerful Performance
Exclusive Powerboost" technology provides excellent
starting power. §
• Aluminum Enclosure
o Attractive aluminum enclosure allows installation as
close as 18 inches from your home or small business. t
o Enclosure panels can be removed without tools to allow
easy access for maintenance and service.
Generator
LPG/Natural Gas
o One digital controller manages both the generator set and
transfer switch functions (with optional Model RXT).
o Electronic speed control responds quickly to varying
demand.
o OnCue(e Plus Generator Management System for remote
monitoring is included with the generator.
• Kohler Command PRO Engine Features
o 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
o Sturdy aluminum base can be mounted on gravel or a
concrete mounting pad.
o Fuel and electrical connections through the enclosure wall
eliminate the need for stub -ups through the base.
o Customer connection terminal block located near the
controller allows easy access for field wiring.
o Designed for outdoor installation only.
• Certifications
o Meets emission regulations for U.S. Environmental
Protection Agency (EPA) with both natural gas and LPG.
o UL 2200/cUL listed (60 Hz model).
o CSA certification available (60 Hz model).
o Accepted by the Massachusetts Board of Registration of
Plumbers and Gas Fitters.
o Meets 181 mph wind rating.
• Approved for stationary standby applications in locations
served by a reliable utility source.
• 2oRCAL models packaged with a Model RXT automatic
transfer switch are available. See page 4 and the Model
RXT ATS specification sheet.
• Warranty
0 5-year /2000 hour limited warranty for on -grid (standby)
applications in locations served by a reliable utility source.
Natural Gas
Line Circuit
LPG Breaker
Alternator Voltage
Phase
Hz
kW/kVA
Amps
kW/kVA
Amps
Amps
Poles
2F7 120/240
1
60
18/18
75
20/20
83
100
2
120/208
3
60
17/21
58
17/21
58
70
3
2127 120/240
3
60
17/21
51
17/21
51
60
3
277/480
3
60
17/21
26
17/21
26
30
3
Note: The line circuit breaker is automatically selected based on the generator set model and voltage configuration.
RATINGS: Stantlbv ratings agplvto installations served bvareliableutilitvsource. All sinole-phase units are rated at l.0 powerfaclor. The slandbv retina is seat
A52]69, and DIN 62]1. GENERAL
eralure increaseabovet6°C (60°�.
any obligation or liability whatsoever.
Contact your
§ Ghecktheappliancemanufacturer's specificationsfor actual power requirements. Consults Kohler% Power Systems professionalfo calculafeyour exact residential powersystem requirements.
i Meets NPPA guitlelines for l8 inch clearance fo combustible materials. Check state and local codes for minimum distance required framaslructure.
G4-2]2 (20RCA) 12/16
Alternator Specifications
Alternator Specifications Alternator Features
Engine
Cli
• Digital voltage regulator with -_1.0% no-load to full -load
RMS regulation.
• Rotating -field alternator with static exciter for excellent
load response.
• Total harmonic distortion (THD) from no load to full load with
a linear load is less than 5%.
Application Data
Exhaust
Engine Specifications
Exhaust System
Manufacturer Kohler
Engine: model, type CHI GOO 4-Cycle
Cylinder arrangement V-2
Displacement, cm3 (cu. in.) 999 (61)
Bore and stroke, Gun(in.) 90 x 78.5 (3.54 x 3.1)
Compression ratio 8.8:1
Main bearings: quantity, type 2, Parent Material
Rated RPM
60 Hz 3600
Max. engine power at rated rpm, kW (HP)
LPG, 60 Hz 23.0 (30.9)
Natural gas, 60 Hz 20.2 (27.1)
Cylinder head material Aluminum
Valve material Steel/Stellite®
Piston type and material Aluminum Alloy
Crankshaft material Heat Treated, Ductile Iron
Governor: type Electronic
Frequency regulation, no load to full load Isochronous
Frequency regulation, steady state ±0.5%
Air cleaner type Dry
Engine Electrical
Engine Electrical System
Ignition system Electronic,
Capacitive Discharge
Starter motor rated voltage (DC) 12
Battery (purchased separately):
Ground Negative
Volts (DC) 12
Battery quantity 1
Recommended cold cranking amps:
(CCA) rating for -18°C (0°F) 500
Group size 51
Exhaust temperature exiting the
enclosure at rated kW, dry, °C (OF) 260 (500)
Lubrication
Lubricating System
Type Full Pressure
Oil capacity (with filter), L (qt.) 1.9 (2.0)
Oil filter: quantity, type 1, Cartridge
Oil cooler Integral
Fuel Pipe Size
Minimum Gas Pipe Size
Battery (purchased separately):
Ground Negative
Volts (DC) 12
Battery quantity 1
Recommended cold cranking amps:
(CCA) rating for -18°C (0°F) 500
Group size 51
Exhaust System
Lubrication
Lubricating System
Type Full Pressure
Oil capacity (with filter), L (qt.) 1.9 (2.0)
Oil filter: quantity, type 1, Cartridge
Oil cooler Integral
Fuel Pipe Size
Minimum Gas Pipe Size
Recommendation, in.
NPT
Pipe Length,
Natural Gas
LPG
m (tt.)
281,000 Btu/hr.
340,000 Btu/hr.
8
(25)
1
3/4
15
(50)
1
1
30
(100)
1 1/4
1
46
(150)
1 1/4
1 1/4
61
(200)
1 1/4
1 1/4
G4-2]2 t206GA) 12/1a
Fuel Requirements
Fuel
Fuel types Natural Gas or LPG
Fuel supply inlet 1/2 NPT
Fuel supply pressure, kPa (in. H20):
Natural gas 0.9-2.7 (3.5-11)
LP 1.7-2.7 (7-11)
Fuel Composition Limits*
Nat.
Gas
LPG
Methane, % by volume (minimum)
90
min.
—
Ethane, % by volume (maximum)
4.0
max.
—
Propane, % by volume
1.0
max.
85 min.
Propene, % by volume (maximum)
0.1
max.
6.0 max.
C4 and higher, % by volume
0.3
max.
2.5 max.
Sulfur, ppm mass (maximum)
25
max.
Lower heatingQ value,
MJ/m3 (Btu/fts), (minimum)
33.2
(890)
84.2 (2260)
* Contact your local distributor for suitability and rating
derates based
on fuel compositions outside these
limits.
Vaeg9e: BOO Hz
o
RDC2
The RDC2 controller provides integrated control for the
generator set, Kohler® Model RXT transfer switch,
programmable interface module (PIM), and load shed kit.
RDC2 Controller Features
• Membrane keypad:
o OFF, AUTO, and RUN pushbuttons
o Select and arrow buttons for access to system
configuration and adjustment menus
• LED indicators for OFF, AUTO, and RUN modes
• LED indicators for utility power and generator set source
availability and ATS position (Model R)(T transfer switch
required)
• LCD display:
o Two lines x 16 characters per line
o Backlit display with adjustable contrast for excellent
visibility in all lighting conditions
• Scrolling system status display:
o Generator set status
o Voltage and frequency
o Engine temperature
o Oil pressure
o Battery voltage
o Engine runtime hours
Operation Requirements
Fuel Consumption, m3/hr. (cfh) @ 60Hz
Load Natural Gas LPG
100
8.0
(281)
3.9
(136)
75
6.9
(243)
3.1
(109)
50
4.6
(161)
2.3
(82)
25
3.6
(127)
1.7
(59)
Exercise
2.0
(71)
1.0
(35)
Nominal fuel rating:
Natural
gas: 37
MJ/m3 (1000 Btu/ft.3)
LPG:
93
MJ/m3 (2500 Btu/11.3)
LPG conversion factors: 8.58 ft.3 = 1 Ib.
0.535 m3 = 1 kg
36.39 ft 3 = 1 gal.
Controller
• Programmable exerciser can be set to start automatically on
any future day and time, and run every week or every two
weeks
• Date and time displays
• Smart engine cooldown senses engine temperature
•
Digital isochronous governor maintains steady-state speed at
all loads
• Digital voltage regulation: ±1.0% RMS no-load to full -load
. Automatic start with programmed cranking cycle
• Exercise modes:
Unloaded weekly
o exercise with complete system
diagnostics
o Unloaded full -speed exercise
o Loaded full -speed exercise (Model RXT ATS required)
• Front -access mini USB connector for StteTech" or USB
Utility connection
• Integral Ethernet connector for KohlerO OnCue® Plus
• Built-in 2.5 amp battery charger
• Remote two -wire start/stop capability for optional connection
of a Model RDT transfer switch
• Diagnostic messages: Displays diagnostic messages for the
engine, generator, Model RXT transfer switch, programmable
interface module (PIM), and load management device.
• Maintenance reminders
• System settings;
o System voltage, frequency, and phase
o Voltage adjustment
o Measurement system, English or metric
• ATS status (Model RXT ATS required):
o Source availability
o ATS position (normal/utility or emergency/generator)
o Source voltage and frequency
• ATS control (Model RXT ATS required):
o Source voltage and frequency settings
o Engine start time delay
o Transfer time delays
o Voltage calibration
o Fixed pickup and dropout settings
• Programmable Interface Module (PIM) status displays:
o Input status (active/inactive)
o Output status (active/inactive)
• Load control menus:
o Load status
o Test function
G4-272 (20RCA) 12(10
KOHLER,
Generator Set Standard Features
• Battery cables
• EPA certified fuel system
• Aluminum sound enclosure
• Critical silencer
• Field -connection terminal block
• Fuel solenoid valve and secondary regulator
• Line circuit breaker
• Multi -fuel system, LPG/natural gas, field -convertible
• Oil drain extension with shutoff valve
• OnCueO Plus Generator Management System
• Premium 5-year limited warranty
• RDC2 generator set/ATS controller
• Rodent -resistant construction
• Sound -deadening, flame-retardant foam per UL 94,
class HF-1
Available Options
Approvals and Listings
❑ GSA approval
Communication Accessories
❑ OnCueO Plus Wireless Generator Management System
Concrete Mounting Pads
❑ Concrete mounting pad, 3 in. thick
❑ Concrete mounting pad, 4 in. thick
(recommended for storm -prone areas)
Electrical Accessories
❑ Battery
❑ Battery heater, 120VAC
❑ Battery heater, 240VAC
❑ Cold weather package, 120VAG
❑ Cold weather package, 240VAC
❑ Emergency stop kit
❑ PowerSync0 Automatic Paralleling Module (APM)
(single phase only; parallel two 20kW residential generator
sets with the RDC2 controller)
❑ Programmable interface module (PIM)
(provides 2 digital inputs and 6 relay outputs)
Fuel System Accessories
❑ Flexible fuel line (included on QS models)
❑ Carburetor heater, 120 VAC
❑ Carburetor heater, 240 VAC
Carburetor heater is recommended for reliable starting
at temperatures below 0°C (32°F )
Literature
❑ General maintenance literature kit
❑ Overhaul literature kit
❑ Production literature kit
Maintenance
❑ Maintenance kit (includes air filter, oil, oil filter, and
spark plugs)
KOHLER CO., Kohler, Wisconsin 53044 USA
Phone 920-457-4441, Fax 920-459-1646
For the nearest sales and service outlet in the
US and Canada, phone 1-800-544-2444
KOHLERPower.com
Automatic Transfer Switches and Accessories
❑ Model RDT ATS
❑ Model RXT ATS
❑ Model RXT ATS with combined interface/load
management board
❑ Load shed kit for RXT or ROT
❑ Power relay modules (use up to 4 relay modules for
each load management device)
❑ Other Kohler® ATS
20RCAL Model Packages
❑ 20RCAL with 100 amp RXT with 16-space load center and
NEMA 1 steel enclosure for indoor installation
❑ 20RCAL with 200 amp service entrance -rated Model RXT
with combined interface/load management board and
corrosion -resistant NEMA3R aluminum enclosure
Generator Set Dimensions and Weights
Generator Set Size, L x W x H: 1193 x 666 x 817 mm
(47 x 26.2 x 32.2 in.)
Shipping Weights:
20RCA Generator Set: 252 kg (555 lb.)
CAL with 100 A RXT ATS w/LC 277 kg (611 lbs)
CAL with 200 A RXT SE ATS: 272 kg (600 lb.)
r- L
NOTE: Dimensions are provided for reference only antl shoultl not be used for planning
Installallon. Contact your local disVibulor for more detailed information.
DISTRIBUTED BY:
G9-2]2 (20RCA) 12/18