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T775U SERIES 2000 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
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
SENSOR A
COOL
78
o
F
SETPOINT
74
SENSOR B
84
o
F
SENSOR A
62
MOD1
40%
MOD1
MOD2
60%
MOD2
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.
62-0255–05
All manuals and user guides at all-guides.com
)
and
or
or HOME button
HOME
RELAYS 1 2
ON
40%
REL 2
ON
HEAT
SETPOINT
60
o
o
F
F
SENSOR A
62
o
F
o
F
RT 12345 HRS
40%
MOD1
40%
60%
MOD2
60%
DI ON
M24564
Program, Schedule, and Summary Menus
To access these menus from the home screen, press the
MENU button. See Fig. 22.
MENU DISPLAY WHEN
SCHEDULING IS SET
HOME
RELAYS 1 2
ON
MENU
SENSORS
PROGRAM
SENSOR A
SCHEDULE
78
o
F
SUMMARY
SENSOR B
EXIT
84
o
F
MOD1
40%
MOD2
60%
DI ON
home
menu
Fig. 22. Menus.
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
settings (see "1.3.3.1. USE SCHED" on page 21).
Setup Menu
To access the Setup menu, press and hold the MENU
button for five seconds. See Fig. 23.
HOME
RELAYS 1 2
ON
SENSORS
SENSOR A
78
o
F
SENSOR B
84
o
F
MOD1
40%
MOD2
60%
DI ON
menu
home
SECONDS
Fig. 23. Setup Menu.
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
INTERFACE OVERVIEW
MENU DISPLAY WHEN
SCHEDULING IS NOT SET
MENU
PROGRAM
EXIT
OR
M24565
SETUP
SENSORS
OUTPUTS
EXIT
FIVE
M24566
and
) to scroll up
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