Automatic Transfer Operation - Generac Power Systems Automatic Standby Generators Owner's Manual

8, 10, 12, 14, 16, 17 & 20kw air-cooled, automatic standby generators
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The exerciser will only work in the AUTO mode
and will not work unless this procedure is per-
formed. The exerciser will need to be reset every
time the 12 volt battery is disconnected and then
reconnected, and when the fuse is removed and/
or replaced.
10 to 20 KW - INSTALLATION ASSISTANT
Upon first power up of the generator, the display
interface will begin an installation assistant. The
assistant will prompt the user to set the minimum
settings to operate. These settings are simply: Current
Date/Time and Exercise Day/Time. The maintenance
intervals will be initialized when the exercise time is
entered (Figure 3.2).
The exercise settings can be changed at any time via
the "EDIT" menu (see Appendix, "Menu System").
If the 12 volt battery is disconnected or the fuse
removed, the Installation Assistant will operate upon
power restoration. The only difference is the display
will only prompt the customer for the current Time
and Date.
IF THE INSTALLER TESTS THE GENERATOR
PRIOR TO INSTALLATION, PRESS THE "ENTER"
KEY TO AVOID SETTING UP THE EXERCISE
TIME. THIS WILL ENSURE THAT WHEN THE
CUSTOMER POWERS UP THE UNIT, HE WILL
STILL BE PROMPTED TO ENTER AN EXERCISE
TIME.
The exerciser will only work in the AUTO mode and
will not work unless this procedure is performed.
The current date/time will need to be reset every
time the 12 volt battery is disconnected and then
reconnected, and/or when the fuse is removed.
3.1.3 DISPLAY INTERFACE
8 kW LED Display
Seven (7) LED's are provided for user status indica-
tions. The LED functions are:
1. System Ready (green)
2. Low Battery (red)
3. Low Oil Pressure (red)
4. High Oil Temperature (red)
5. Over Speed (red)
6. RPM Sensor Loss (red)
7. Over Crank (red)
See the Protection Systems section for details.
NOTE:
NOTE:
Section 3 — Operation
Air-cooled Generators
10 to 20KW DISPLAY INTERFACE MENUS
The LCD display is organized as detailed below:
The "Home" page, this page is the default page
which will be displayed if no keys are pressed for
30 seconds. This page normally shows the current
Status message and the current date and time.
The highest priority active Alarm and/or Warning
will be automatically posted on this page as well as
flashing the backlight when such an event is detect-
ed. In the case of multiple Alarms or Warnings,
only the first message will be displayed. To clear
an Alarm or Warning, see the Protection Systems
section - Clear Alarm.
The display backlight is normally off. If the user
presses any key, the backlight will come on auto-
matically and remain on for 30 seconds after the
last key was pressed.
The "Main Menu" page will allow the user to
navigate to all other pages or sub-menus by using
the Left/Right and Enter keys. This page can be
accessed at any time with several presses of the
dedicated Escape key. Each press of the Escape
key takes you back to the previous menu until the
main menu is reached. This page displays the fol-
lowing options: HISTORY; STATUS; EDIT; AND
DEBUG. (See the Appendix - "Menu System".)
3.2
AUTOMATIC TRANSFER
OPERATION
To select automatic operation, do the following:
1. Make sure the transfer switch main contacts are
set to their UTILITY position, i.e., loads con-
nected to the utility power source (Figure 3.2).
2. Be sure that normal UTILITY power source volt-
age is available to transfer switch terminal lugs
N1 and N2 (Refer to the Electrical Data section).
3. Set the generator's AUTO/OFF/MANUAL switch to
AUTO.
4. Set the generator's main circuit breaker to its ON
(or CLOSED) position.
With the preceding steps complete, the generator will
start automatically when utility source voltage drops
below a preset level. After the unit starts, loads are
transferred to the standby power source. Refer to the
Sequence of Automatic Operation section.
17

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