TP-5660 11/9814 Operation
2.3.3 Standard Switch, 800--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 2-3.
1
2
AUTO INHIBIT
EMERGENCY
NORMAL
3
LOCK
LOCK
5660203
1. Switch lever, normal source shown connected to load
2. Disconnect switch, INHIBIT position shown
3. Manual operating handle, typical
Figure 2-3. Manual Operation, Standard Switch
600--3000 Amps
5. Attach the manual operating handle to the switch
lever.
6. Move the handle up to the normal position to
connect the load to the normal source or down to
the emergency position to connect the load to the
emergency source. Switch should operate
smoothly between both positions without binding.
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).