Product Manual

TP-6946 3/1618 Section 2 Installation
2.7 Manual Operation Check
Hazardous voltage.
Will cause severe injury or death.
Only authorized personnel should
open the enclosure.
DANGER
Hazardous voltage.
Backfeed to the utility system can
cause severe injury, death, or
property damage.
Before energizing the transfer switch,
verify that both the normal and
emergency contacts are not left in the
closed position.
WARNING
Note: A manual operation handle is provided on the
transfer switch for maintenance purposes only.Do
not use the manual operation handle to transfer
the load with the power connected.
Use the manual operation handle to check the manual
operation before energizing the transfer switch. Check
the operation of both the Normal and Emergency
operators.
A power switching device in normal and serviceable
condition operates smoothly without binding. Do
not place the transfer switch into service if the power
switching device does not operate smoothly; contact an
authorized distributor/dealer for service.
Note: Refer to Figure 2-5 through Figure 2-7 for
identification of transfer switch mechanism style
supplied with the transfer switch.
2.7.1 Manual Operation Test Procedure,
100--1200A MCCB Models
Manually operate the transfer switch mechanism,
depending on mechanism type, as described below.
100--800 Amp Units:
See Figure 2-5. Insert the operating handle into the
front of the transfer mechanism and turn the operating
handle until the position indication on the mechanism
clearly shows the desired position: generator, neutral,
or utility.
1000 and 1200 Amp Units:
See Figure 2-6. Pull the manual release knob on the
mechanism, releasing the motor drive rod from the
motor drive arm. Move the knob and yoke to the marked
position.
1
GM69173
2
1. Manual operation handle storage location
2. Insert handle here to operate manually
Figure 2-5 100--800 Amp MCCB Manual
Operation (250 Amp model shown)