Aerco BENCHMARK 2500DF User Manual page 36

Benchmark 2500DF-3000DF Installation, Operation & Maintenance Manual
Table 3-1: Operating Controls, Indicators and Displays – Continued
CONTROL,
ITEM
INDICATOR OR
NO.
DISPLAY
Six (6) keys which provide the following functions for the Control Panel Menus:
MENU:
BACK:
▲ (UP) Arrow:
10
▼ (DOWN) Arrow:
CHANGE:
ENTER:
11 AUTO/MAN Switch
VALVE POSITION
12
Bargraph
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05/21/2014
CHAPTER 3 – OPERATION
MENU Keypad
Steps through the main menu categories shown in Figure 3-
2. The Menu categories wrap around in the order shown.
Allows you to go back to the previous menu level without
changing any information. Continuously pressing this key
will bring you back to the default status display in the VFD.
Also, this key allows you to go back to the top of a main
menu category.
When in one of the main menu categories (Figure 3-2),
pressing the ▲ arrow key will select the displayed menu
category. If the CHANGE key was pressed and the menu
item is flashing, pressing the ▲ arrow key will increment the
selected setting.
When in one of the main menu categories (Figure 3-2),
pressing this key will select the displayed menu category. If
the CHANGE key was pressed and the menu item is
flashing, pressing the ▼ arrow key will decrement the
selected setting.
Permits a setting to be changed (edited).
CHANGE key is pressed, the displayed menu item will
begin to flash. Pressing the ▲ or ▼ arrow key when the
item is flashing will increment or decrement the displayed
setting.
Saves the modified menu settings in memory. The display
will stop flashing.
This switch toggles the boiler between the Automatic and
Manual modes of operation. When in the Manual (MAN)
mode, the front panel controls are enabled and the
MANUAL status LED lights. Manual operation is for service
only.
When in the Automatic (AUTO) mode, the MANUAL status
LED will be off and the front panel controls disabled.
20 segment red LED bargraph continuously shows the
Air/Fuel Valve position in 5% increments from 0 to 100%.
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
FUNCTION
When the
OMM-0099_0A
GF-145