AERCO BMK 1000 - Manual (Page 40)

Benchmark 750/1000 Boiler Installation, Operation & Maintenance Manual
CHAPTER 3 – OPERATION
Page 40 of 192 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0082_0J
05/21/2014
Ph.: 800-526-0288
GF-130
Table 3-1: Operating Controls, Indicators and Displays – Continued
ITEM FEATURE FUNCTION
10
MENU Keypad
Six (6) keys provide the following functions for the Control Panel Menus:
MENU
Steps through the main menu categories shown in Figure 3-2.
The Menu categories wrap around in the order shown.
BACK
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.
▲ (UP) Arrow
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.
▼ (DOWN) Arrow
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.
CHANGE
Permits a setting to be changed (edited). When the 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.
ENTER
Saves the modified menu settings in memory. The display will
stop flashing.
11 AUTO/MAN Switch
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.
12
VALVE POSITION
Bargraph 20 segment red LED bargraph continuously shows the Air/Fuel
Valve position in 5% increments from 0 to 100%