Controllers - Kohler 14/20RES Operation Manual

1.5 Controllers

RDC (RES)
Figure 1-1 Controllers
RES models are equipped with the Residential Digital
Control (RDC). RESL models use the Digital Control
(DC). See Figure 1-1. Controller features include:
D
Integrated control for the generator set and Kohlerr
Model RRT transfer switch
D
Membrane keypad for configuration and adjustment
(RDC only)
d
Password-protected
configuration and adjustment menus
d
System voltage/frequency selection and engine
configuration
d
Voltage, gain, and engine speed adjustment
D
Master switch pushbuttons (Off, Auto, Run)
D
Off, Auto, and Run LED indicators
D
LED display:
d
Crank cycle status
d
Setup information (RDC only)
d
Software version
d
Faults
d
Event history
D
Scrolling system status display when generator set is
running includes:
d
Engine runtime hours
d
Battery voltage
d
Generator voltage
d
Engine temperature
d
Utility voltage*
D
Faults displayed:
d
ATS communication error
14 Section 1 Descriptions and Service Views
DC (RESL)
access to system
d
Auxiliary fault
d
High battery voltage
d
High engine temperature
d
Locked rotor
d
Low battery voltage
d
Low oil pressure
d
Overcrank
d
Overfrequency
d
Overspeed
d
Overvoltage
d
Underfrequency
d
Underspeed
d
Undervoltage
D
Selectable exercise and test modes:
d
Weekly unloaded quiet diagnostic test *
d
Weekly loaded exercise
d
Loaded test
d
Unloaded test
D
Smart engine cooldown senses engine temperature *
D
Remote two-wire start/stop capability for optional
connection of Model RDT or RSB transfer switches
D
Digital isochronous
steady-state speed at all loads
Digital voltage regulation: ±1.5% RMS no-load to
D
full-load
D
Automatic start with programmed cranking cycle
D
Load control output allows delayed start of large
motor loads *
D
Field-upgradeable controller firmware (requires
Kohlerr SiteTecht software, available only to Kohler
authorized distributors and dealers)
D
Front-access mini USB connector for software
upgrade
D
Generator output voltage and frequency sensing with
adjustable voltage pickup and dropout settings
(requires Kohlerr
adjustment)
D
Engine start and transfer time delays, adjustable
using optional Kohlerr
(available only to Kohler authorized distributors and
dealers) *
D
Communicates utility voltage sensing data and
transfer signals with the Model RRT transfer switch *
D
Front access fuses and mini-breaker
* Model RRT transfer switch required
governor to maintain
SiteTecht software
SiteTecht software
TP-6734 5/10
for