6
AD JUST MENT METHOD
The user interface consists of an LCD display and a
4-button keypad on the front of the Economizer module.
The LCD is a 16 character by 2 line dot matrix display.
Power Up Cycle
All setpoints and advanced settings are restored after any
power loss (a power loss is assumed if voltage falls below
18 Vac). Normal operation is restored when power returns
above 18 Vac.
Ini tial Menu Dis play
On initial startup,
Honeywell
displays on the first line and
Economizer W7220
on the second line. After a brief
pause, the revision of the software appears on the first line
(second line is blank). It then displays
W7220
o
n the first
line and STATUS on the second line.
Key pad
The four navigation buttons illustrated in
Figure 9
are used
to scroll through the menus and menu items, select menu
items, and to change parameter and configuration
settings.
Us ing the Key pad with Menus
To use the keypad when working with menus:
l
Press the
p
button to move to the previous menu.
l
Press the
q
button to move to the next menu.
l
Press the
8
button (Enter) to display the first item in
the currently displayed menu.
l
Press the
Ó
button (Menu up) to exit a menu’s item
and return to the list of menus.
Us ing the Key pad with Set tings and Pa ram e ters
To use the keypad when working with Setpoints, System
and Advanced Settings, Checkout tests, and Alarms:
l
Navigate to the desired menu.
l
Press the
8
button (Enter) to display the first item in
the currently displayed menu.
l
Use the
p
and
q
buttons to scroll to the desired
parameter.
l
Press the
8
button (Enter) to display the value of the
currently displayed item.
l
Press the
p
button to increase (change) the
displayed parameter value.
a
l
Press the
q
button to decrease (change) the
displayed parameter value.
a
l
Press the
8
button to accept the displayed value and
store it in non-volatile RAM.
l
When the value is accepted,
CHANGE STORED
is
displayed on the LCD.
l
Press the
8
button (Enter) to return to the current
menu parameter.
l
Press the
Ó
button (MenuUp/Exit) to return to the
previous menu.
Time-out and Screensaver
When no buttons have been pressed for 10 minutes, the
LCD displays a screen saver, which cycles through the
Status items. Each Status items displays in turn and cycles
to the next item after 5 seconds.
SETUP AND CON FIG U RA TION
Before being placed into service, the JADE™ Economizer
module must be setup and configured for the installed
system. Use the System Setup menu, the Advanced Setup
menu (if necessary), and the Setpoints menu to
accomplish this.
Menu Struc ture
The following tables illustrate the complete hierarchy of
menus and parameters for the JADE™ Economizer
system.
The Menus in display order are:
l
STATUS
l
SETPOINTS
l
SYSTEM SETUP
l
ADVANCED SETUP
l
CHECKOUT
l
ALARMS
IMPORTANT
Your menu parameters may be different depending on
your configuration. For example if you do not have a DCV
(CO
2
) sensor, then none of the DCV parameters appear.
a
When val ues are dis played, press ing and hold ing the
p
or
q
but ton
causes the dis play to au to mat i cally in cre ment.
FIGURE 9
