RDT Transfer Switch Manual

TP-6345 9/13 15Section 2 Installation
2.4 Manual Operation Check
Hazardous voltage.
Will cause severe injury or death.
Disconnect all power sources before
opening the enclosure.
DANGER
Check the manual operation before energizing the
transfer switch. Verify that the contactor operates
smoothly without binding. Do not place the transfer
switch into service if the contactor does not operate
smoothly.
After checking the manual operation, place the
contactor in the Normal (utility) position.
Manual Operation, 100 and 200 Amp Switches
Note: Never manually operate the transfer switch when
the power is connected. Disconnect both power
sources before manually operating the switch.
1. Move the handle up to place the transfer switch in
the Normal Source position and down to place the
contactor in the Emergency Source position. See
Figure 2-4.
2. Move the handle up to place the transfer switch in
the Normal Source position for normal operation.
4
3
7
8
CN
CE
NL1
NL2
EL2EL1
SCN
C
NO
NC
SCE
C
NC
NO
Move handle up to
the Normal position
anddowntothe
Emergency position.
Handle
Figure 2-4 Manual Operation, 100 and 200 Amp
Switches
Manual Operation, 400 Amp Switches
Note: Never manually operate the transfer switch when
the power is connected. Disconnect both power
sources before manually operating the switch.
1. Check the contactor position, indicated by the A
and B position indicators. See Figure 2-5. One
position indicator will display ON to indicate the
source position. A is utility power and B is the
generator set.
2. Slide the manual operating handle (provided with
the switch) over the shaft on the left side of the
switch. See Figure 2-5 and Figure 2-6.
1
6345
1. Shaft. Attach manual operating handle here.
2. Position indicators (A=Utility, B=Generator)
A
B
ON
OFF
2
2
Figure 2-5 400 Amp Contactor
6225
Move handle down and
release.
Left Side View
Figure 2-6 Manual Operation, 400 Amp
3. Move the manual operation handle down and then
release the handle. Verify that the desired source
position indicator displays ON.
4. Place the transfer switch in position A (utility).
5. Remove the manual operation handle and store it
in a convenient location.