AERCO BMK 2.0 LN October 2012 - Manual (Page 37)

GF-123
Benchmark 2.0LN Low NOx Boiler
Chapter 3
OMM-0046_0F I nstallation, Operation and Maintenance Manual Operation
PR1 10/17/12 AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 Page 37 of 172
Once the valid level 1 password (159) is entered, the options listed in the Setup. Configuration
and Tuning Menus can be viewed and changed, if desired. The Combustion Cal Menu is
protected by the level 2 password which is used in Chapter 4 to perform combustion calibration
prior to service use.
3.3.1 Menu Processing Procedure
Accessing and initiating each menu and option is accomplished using the Menu Keys shown in
Figure 3-1. Therefore, it is imperative that you be thoroughly familiar with the following basic
steps before attempting to perform specific menu procedures.
1. The Control Panel will normally be in the Operating Menu and the VFD will display the
current unit status. Pressing the
▲ or ▼ arrow key will display the other available data items
in the Operating Menu.
2. Press the MENU key. The display will show the Setup Menu, which is the next menu
category shown in Figure 3-2. This menu contains the Password option which must be
entered if other menu options will be changed.
3. Continue pressing the MENU key until the desired menu is displayed.
4. With the desired menu displayed, press the
▲ or ▼ arrow key. The first option in the
selected menu will be displayed.
5. Continue to press the
▲ or ▼ arrow key until the desired menu option is displayed.
Pressing the
▲ arrow key will display the available menu options in the Top-Down
sequence. Pressing the
▼ arrow key will display the options in the Bottom-Up sequence.
The menu options will wrap-around after the first or last available option is reached.
6. To change the value or setting of a displayed menu option, press the CHANGE key. The
displayed option will begin to flash. Press the
▲ or ▼ arrow key to scroll through the
available menu option choices for the option to be changed. The menu option choices do
not wrap around.
7. To select and store a changed menu item, press the ENTER key.