IB140042EN For more information visit: www.eaton.com
Instructional Booklet
Effective: May 2015 Page 37
ATC-300/900 Breaker Based Transfer Switch
Figure 39. Horizontal Power Panel
Step 3: Turn the generator OFF at the generator control panel.
This will prevent unexpected activation of the generator.
Step 4: Connect the Engine Generator Start wires as shown in
Section 4.7. This contact is CLOSED whenever the
engine generator is needed, and should be connected to a
generator controller. NEVER connect directly to a starter
solenoid or ignition system. See the Genset manufacturer
instruction leaflet for recommended wire sizes and loca-
tion procedures.
Step 5: Apply Utility (Source 1) power. If the switch is properly
applied for the system voltage ordered, the display should
work and the Source 1 Available white LED should light
(Figure 40). Using a voltmeter, check for proper system
voltage on Source 1 and load terminals. Check all phases
on a 3-phase switch. Voltage measurements should be
taken phase to phase and phase to neutral.
Figure 40. ATC-300+Controller (Utility Supplying Load)
Step 6: To view the setpoints, press the <Step/Enter> pushbut-
ton and enter the Password.
Note: The factory default Password is 0300. Once all installation and test-
ing is complete, the Password should be changed by authorized per-
sonnel to a unique Password for the equipment.
After entering the password, press the <Step/Enter>
pushbutton until the VIEW SETPOINTS menu appears.
Select YES. Press the <Step/Enter> pushbutton to
scroll through the setpoints (Figures 41 through 42 and
the controller's instruction booklet).
ATC-300
Source 1
Source 2
Available
Available
Connected
Connected
Load
Unit Status
Alarm
Reset
Engine
Te st
Lamp
Te st
Help
Step
Enter
Bypass
TDNE / TDEN
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