AQ251 SERIES BOILER RESET CONTROL PANELS
69-1974—04 24
.
Table 5. User Menu.
Menu Option Range
Factory
Default Description
SYSTEM STATUS Identifies what is happening within the system.
See Table 4 on
page 22 n/a n/a
Multiple status and alarm messages can display on this
page. This diagnostic information is for troubleshooting
purposes. However, only the status and messages
pertinent to the system’s current operating condition will
display.
PREFERENCES
Allows you to set up the AQ251 Control Panel with preferred display, time, date, and
temperature settings.
BOILER UNITS °F or
°C
°F Choice of temperature units (F or C) for displaying
temperatures on the AQ251 LCD display.
ZONE UNITS °F or
°C
°F Choice of temperature units (F or C) for displaying
temperatures (on the AQ1000 zone thermostats).
TIME DISP 12H or
24H
12H Choice of time format display: 12 hour format (e.g., 2:00 P)
or 24 hour format (e.g., 14:00).
D.S.T. ENABLE or
DISABLE
ENABLE Enables / disables automatic change to and from Daylight
Savings Time.
YEAR 2000 - 2099 2008 Select the year when the control is commissioned.
MONTH JAN, FEB, MAR,
APR, MAY, JUN,
JUL, AUG, SEP,
OCT, NOV, DEC
JAN Select the month of the year when the control is
commissioned.
DATE 01 to 31 01 Select the date (01-31) of the month when the control is
commissioned.
DAY MONDAY,
TUESDAY,
WEDNESDAY, …
SUNDAY
MONDAY Select the day of the week when the control is
commissioned.
TIME 00:00A to 12:59P
(00:00 to 23:59)
12:00A
(midnight)
Select the time of day when the control is commissioned.
You can change the time with the + and – buttons, just as
with a clock radio.
HOMEPAGE SIMPLE or
DETAIL
DETAIL Select the 3 line (Simple) display or the 10 line (Detail)
display for the Home Page.
BACKLIGHT AUTO or
ON
AUTO • Auto mode = backlight illuminates when any button on
the display is pressed. It turns off after 1 hour.
• ON mode = backlight stays on constantly.
POWER FAILURE
NOTICE
BACKLIGHT or
MSG.ONLY
BACKLIGHT The building owner can be notified in one of two ways that
the AQ251's DATE and TIME OF DAY settings need to be
reset:
1. By displaying the message, PLS SET DAY/TIME, on
the first line of the Home Page
2. By repeated flashing of the AQ251's LCD backlight
and
displaying the message PLS SET DAY/TIME, on
the first line of the Home Page
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