Kohler ZCS series User Manual

TP-5660 11/98 Operation 13
2.3.2 Programmed Transition Switch,
400--3000 Amps
Manual Operation Procedure
1. Prevent the generator set, which provides the
emergency power source to the transfer switch,
from starting by moving the generator set master
switch tothe OFF position; disconnecting power to
the generator engine start battery charger, if
installed; and disconnecting all generator engine
start batteries, negative (--) leads first.
2. Disconnect BOTH the normal and emergency
power sources by opening upstream circuit
breakers or switches to the transfer switch.
3. Open the transfer switch enclosure door.
4. Set the disconnect switch (DS) to the INHIBIT
position to prevent the controller from energizing the
solenoid(s). See Figure 2-2.
AUTO
INHIBIT
3
2
4
LOCK
LOCK
NORMAL
1
LOCK
LOCK
EMERGENCY
5660202
1. Normal switch lever, normal source shown connected to load
2. Emergency switch lever, emergency source shown
disconnected from load
3. Disconnect switch, INHIBIT position shown
4. Manual operating handle, typical
Figure 2-2. Manual Operation, Programmed
Transition Switch 400--3000 Amps
5. Attach the manual operator handle to the normal
switchleverandmoveituptothenormalpositionto
manually connect the load to the normal source
andmoveitdowntodisconnect. Theswitchshould
operate smoothly in both directions without
binding.
6. Attach the manual operator handle to the
emergency switchlever. Move thehandle downto
the emergency position to manually connect the
load to the emergency source and move it up to
disconnect. Theswitchshouldoperatesmoothlyin
both directions without binding.
NOTE
A mechanical interlock prevents simultaneous
emergency and normal source connection to the
load. Both sources can be manually disconnected
from the load simultaneously.
7. Manuallyconnect the load tothe normal sourcefor
automatic operation.
8. Remove and return the manual operator handle to
the holder provided.
9. Move the disconnect switch (DS) to the AUTO
position for automatic operation.
10. Close and lock the transfer switch enclosure door.
11. Reconnect power supplies to the transfer switch.
NOTE
Wheninitiallyapplyingpowertothetransferswitch,
the engine start contacts remain closed signalling
the generator to run until the ATS’s Time Delay
Engine Cooldown (TDEC), if equipped, ends.
12. Reconnect generator engine start battery cables,
negative (--) leads last; reconnect power to the
generator engine start battery charger, if installed;
and move the generator set master switch to the
AUTO (automatic) position. The generator may
start and run for a while (see NOTE above).

Kohler ZCS series Specifications

General

Brand	Kohler
Model	ZCS series
Category	Switch
Language	English