Kohler M340+ User Manual

Operation 2-3TP-5672 11/95
Sequence of Operation
This section describes the correct operation of a
microprocessor-controlled transfer switch.
Sequence of Operation Standard Switch
When the Normal Source Fails
1. The source-available normal LED turns off.
2. The time-delay-engine-start ON LED illuminates
to indicate the engine-start-time-delay is timing.
3. The time-delay-engine-start END LEDilluminates
to indicate the engine has been signaled to start.
4. The source-available emergency LED
illuminates.
5. The time-delay normal-to-emergency ON LED
illuminates to indicate the normal-to-emergency
time delay is timing.
6. The time-delay normal-to-emergency END LED
illuminates to indicate the time delay has
completed timing.
7. The load-shed LED illuminates at the same time
all loads to be shed are disconnected from the
switch (if equipped with load-shed option).
8. The inphase monitor LED illuminates (if equipped
with inphase monitor option on ZC type power
switches only). The controller monitors the two
voltagesto make sure they are atadesiredphase
angle and approaching zero phase angle
difference.
9. Thecontactortransferstotheemergencyposition
after the load-shed time-before-transfer timer has
completed timing. The contactor-position normal
LED turns off and the contactor-position
emergency LED illuminates.The inphase monitor
LED turns off.
10. After the load-shed time-after-transfer timer has
completed timing, the selected loads for the
emergencysourceare nowreturnedto theswitch.
The load-shed LED turns off (if equipped with
load-shed option).

Kohler M340+ Specifications

General

Brand	Kohler
Model	M340+
Category	Switch
Language	English