Home Screen; Using The Menus - Honeywell T775U Series 2000 Installation Instructions Manual

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER
Up and Down Arrow Buttons (
Use these buttons to move your selection up and down
through a menu or list.
• When the desired item is highlighted, you press the
arrow button to display that item's content.
• When a value is displayed (e.g. 70°F), the up and
down arrows increase and decrease the value.
NOTE: Once you select an item from a list or enter a
value, pressing the or
accepts your selection or value and stores it in
the controller's memory.

Home Screen

In the normal run state, the LCD home screen displays
the current sensed temperatures, the modulating outputs
status, the active status of the output relays, and error and
status codes.
When using Reset, the Heat/Cool setpoint(s) display on
the home screen for the Mod and Relay outputs; see
Fig. 21.
Active relays are indicated by the small black square ( )
just below the relay number. Fig. 21 shows the home
screen with relay 2 energized.
Pressing the and buttons from the home screen
cycles through each modulating output that is paired with
the sensor it controls and the active output relays.
HOME HOME
RELAYS 1 2 RELAYS 1 2
ON ON
SENSORS MOD 1 40%
SENSOR A COOL
78
o
F
SETPOINT
74
SENSOR B
84
o
F SENSOR A
62
MOD1 40%
MOD1 40%
MOD2 60%
MOD2 60%
DI ON DI ON
Fig. 21. LCD Display - Home Screen Displaying
Sensors, Mod Outputs, and Active Relays.
NOTES:
1. The modulating output home screen and the
relay home screen do not dynamically update
the active relay status, sensor values, and
modulating output percentages. The informa-
tion is a snapshot taken when you press the
or button to display the screen.
2. In Reset mode, the home screen displays the
effective setpoint.
IMPORTANT
After four minutes of inactivity (no buttons
pressed), the LCD display reverts to the home
screen display.
Accessing the Menus
Menus are used for programming, scheduling, viewing the
summary settings, and setup of advanced options.
62-0255—07
) Program, Schedule, and Summary
and
Menus
To access these menus from the home screen, press the
MENU button. See Fig. 22.
HOME
or HOME button
RELAYS 1 2
ON
SENSORS
SENSOR A
78
SENSOR B
84
MOD1
MOD2
DI ON
home
Depending on whether scheduling is enabled or not, the
LCD displays one of two menus as shown in Fig. 22.
Scheduling is enabled from the Setup menu's Output
HOME settings (see "1.3.3.1. USE SCHED" on page 21).
RELAYS 1 2
ON
Setup Menu
REL 2 ON
HEAT
To access the Setup menu, press and hold the MENU
SETPOINT
60
o o
F F
button for five seconds. See Fig. 23.
SENSOR A
62
o o
F F
RT 12345 HRS
MOD1 40%
MOD2 60%
DI ON
M24564

Using the Menus

When you are working with the menus, use the:
• Left arrow button ( ) to scroll backward through the
menus
• Right arrow button ( ) to select the highlighted menu
item and display its content
• Up and Down arrow buttons (
and down through a list of items or to increase or
decrease the value of a displayed parameter
12
MENU DISPLAY WHEN MENU DISPLAY WHEN
SCHEDULING IS SET SCHEDULING IS NOT SET
MENU
PROGRAM
PROGRAM
SCHEDULE
EXIT
o
F
SUMMARY
EXIT
o
F
40%
60%
menu
OR
Fig. 22. Menus.
HOME
RELAYS 1 2
ON
SETUP
SENSORS
SENSORS
SENSOR A
OUTPUTS
78
o
F
EXIT
SENSOR B
84
o
F
MOD1 40%
MOD2 60%
DI ON
FIVE
home menu
SECONDS
Fig. 23. Setup Menu.
and
MENU
M24565
M24566
) to scroll up