Specification

G4-315 (26RCA) 4/23a
Fuel Pipe Size
Minimum Gas Pipe Size Recommendation, in. NPT
Pipe Length,
m(ft.)
Natural Gas
290,000 Btu/hr.
LPG
322,500 Btu/hr.
8 (25)
1 3/4
15 (50) 1 1/4 1
30 (100) 1 1/4 1
46 (150) 1 1/4 1
61 (200) 1 1/2 1 1/4
Generator Set Sound Data
Model 26RCA sound levels are 56 dB(A) during engine exercise
and 67 dB(A) during full-speed generator diagnostics and normal
operation.*
All sound levels are measured at 7 meters with no load.
* Lowest of 8 points measured around the generator. Sound levels at
other points around generator may vary depending on installation
parameters.
Operation Requirements
Fuel Consumption, m
3
/hr. (cfh) @ 60Hz
%Load Natural Gas LPG
100 8.2 (290) 3.6 (129)
75 6.7 (238) 3.1 (111)
50 5.1 (180) 2.4 (85)
25 3.9 (137) 1.8 (64)
Exercise 1.9 (67) 0.9 (31)
Nominal fuel rating: Natural gas: 37 MJ/m
3
(1000 Btu/ft.
3
)
LPG: 93 MJ/m
3
(2500 Btu/ft.
3
)
LPG conversion factors: 8.58 ft.
3
=1lb.
0.535 m
3
=1kg
36.39 ft.
3
=1gal.
RDC2 Controller Features
Voltage: 240 V
Freq: 60.0 Hz
The RDC2 controller provides integrated control for the
generator set, Kohlerr Model RXT transfer switch,
programmable interface module (PIM), and load shed kit.
D Membrane keypad:
d OFF, AUTO, and RUN pushbuttons
d Select and arrow buttons for access to system
configuration and adjustment menus
D LED indicators for OFF, AUTO, and RUN modes
D LED indicators for utility power and generator set source
availability and ATS position (Model RXT transfer switch
required)
D LCD display:
d Two lines x 16 characters per line
d Backlit display with adjustable contrast for excellent
visibility in all lighting conditions
D Scrolling system status display:
d Generator set status
d Voltage and frequency
d Engine temperature
d Oil pressure
d Battery voltage
d Engine runtime hours
D Date and time displays
D Smart engine cooldown senses engine temperature
D Digital isochronous governor maintains steady-state speed at
all loads
D Digital voltage regulation: 1.0% RMS no-load to full-load
D Automatic start with programmed cranking cycle
D Built-in 2.5 amp battery charger
D Programmable exerciser can be set to start automatically on
any future day and time
D Exercise modes:
d New 90-second Eco Exercise with complete system
diagnostics (factory default setting)
d Lowers fuel cost
d Minimizes sound disruption
d In cold temperatures, limits condensation build- up in
the crankcase
d Unloaded weekly 20-minute exercise with complete
system diagnostics
d Unloaded 20-minute full-speed exercise
d Loaded 20-minute full-speed exercise (Model RXT ATS
required)
D Weekly, bi-weekly, or new monthly exercise intervals
D Front-access mini USB connector for SiteTecht or USB
Utility connection
D Integral Ethernet connector for Kohlerr OnCuer Plus
D Remote two-wire start/stop capability for optional connection
of a Model RDT transfer switch
D Diagnostic messages: Displays diagnostic messages for the
engine, generator, Model RXT transfer switch, programmable
interface module (PIM), and load management device.
D Maintenance reminders
D System settings:
d System voltage, frequency, and phase
d Voltage adjustment
d Measurement system, English or metric
D ATS status (Model RXT ATS required):
d Source availability
d ATS position (normal/utility or emergency/generator)
d Source voltage and frequency
D ATS control (Model RXT ATS required):
d Source voltage and frequency settings
d Engine start time delay
d T ransfer time delays
d Voltage calibration
d Fixed pickup and dropout settings
D Programmable Interface Module (PIM) status displays:
d Input status (active/inactive)
d Output status (active/inactive)
D Load control menus:
d Load status
d Test function