Four-Lead (Single-Phase) Generator Sets; Volt Configurations - Kohler 6.5RMY Operation Manual

Four-Lead (Single-Phase)
Generator Sets
NOTE
Current transformers (CTs) are used only on generator
sets equipped with controllers with meters.
NOTE
Position current transformers CT1, CT2, and CT3 with
dot or HI side toward generator set.
See Figure 5-1 for
(single-phase) generator set options.
100-120 volt
100-120/200-240 volt
200-240 volt
Figure 5-1. Four-Lead, Single-Phase Generator
Set Voltage Connection Options
NOTE
Microprocessor controller
adjustment using
±5%
potentiometer on the controller front panel.

100-120 Volt Configurations

The load side terminals of the circuit breaker are not to
be connected together when a factory two-pole circuit
breaker is used, see Figure 5-2.
requires a 100-120 volt, 2 wire system, use a single pole
circuit breaker. See Figure 5-3.
stator phase leads together, size output lead (L1)
accordingly. Use a jumper lead on the line side of the
circuit breaker to balance the load of the generator set.
60 Hz
L0-L1
100-120 volt
L0-L2
100-120 volt
5-2 Generator Reconnection
four-lead reconnectable
60 Hz 50 Hz
X
X X
X
only: Make fine
voltage adjustment
If the installation
When connecting
50 Hz
100-120 volt
100-120 volt
LO (Neutral)
Ground
Load
Side
Line
Side
4 3 2 1
Stator Leads
Figure 5-2. 100-120 volt, 3 wire
LO (Neutral)
Ground
Load
Side
Line
Side
4 3 2 1
Stator Leads
Figure 5-3. 100-120 volt, 2 wire
LO
GRD
CT1
L1
L2
CT2
Factory
Two-Pole
or (2) 1-Pole
Circuit
Breakers
Jumper
Lead
Meter Scale
UP V7 LO
TB2
Lamp Jumper
TP-5631-5
LO
GRD
CT1
L1
1-Pole
Circuit
Breaker
CT2 not used
Meter Scale
UP V7 LO
TB2
Lamp Jumper
TP-5631-5
TP-5631 7/96