Section 6 Accessories; Accessories And Connections; Common Fault/Failure (32A) Relay Kit - Kohler Decision-Maker 3000 Operation

6.1 Accessories and Connections

Several accessories help finalize installation, add
convenience to operation and service, and establish
state and local code compliance.
Accessories vary with each generator set model and
controller. Select factory-installed and/or shipped-
loose accessories. See Figure 6-1 for a list of available
kits. Obtain the most current accessory information
from your local authorized service distributor/dealer.
This section illustrates several accessories available at
print time of this publication. Accessory kits generally
include installation instructions. See wiring diagrams
manual for electrical connections not shown in this
section. See the installation instructions and drawings
supplied with kit for information on kit mounting location.
The instructions provided with the accessory kit
supersede these instructions where there are
differences. In general, run AC and DC wiring in
separate conduit. Use shielded cable for all analog
inputs. Observe all applicable national, state, and local
electrical codes during accessory installation.
See Section 6.2, Accessory Connections, for terminal
identification.
Kit Description
Common Fault/Failure (32A) Connections
Float/Equalize Battery Charger (with alarms)
Gas Fuel Valve
Input/Output Module Board
Low Fuel (Level) Switch
Low Fuel (Pressure) Switch
Prime Power Switch
Remote Emergency Stop
Remote Reset Feature
Remote Serial Annunciator
Run Relay
Shunt-Trip Line Circuit Breaker
Figure 6-1 Optional Accessories
6.1.1 Common Fault/Failure (32A) Relay
Kit
The common fault relay is standard on the controller
circuit board and located at the TB2 terminal strip
connections. Contacts are rated at 2 amps at 32 VDC
or 0.5 amps at 120 VAC max. See Figure 6-2 and
Figure 6-3.
TP-6694 7/11

Section 6 Accessories

The optional common fault relay shown in Figure 6-3 as
DCB2 has contacts rated at 10 amps at 28 VDC or
120 VAC and can be connected to user-supplied
accessories.
The optional common fault relay shown in Figure 6-3 as
DCB1 has contacts rated at 10 amps at 28 VDC or
120 VAC and is used to trigger the shunt-trip line circuit
breaker kit (mentioned later in this section).
Figure 6-2 Common Fault Relay Wiring (Standard)
Figure 6-3 Common Fault Relay Kit and Shunt-Trip
Relay Kit Wiring
GM67191-B
GM67191-B
Section 6 Accessories 73