Honeywell T775A Series Installation Instructions Manual page 26

T775A/B/M SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS
SETUP
OUTPUTS
OPTIONS
DI OPTS
Fig. 60. Setup - Outputs - Options - DI Options.
SETUP
OUTPUTS
OPTIONS
SHOW RT
Fig. 61. Setup - Outputs - Options - Show Runtime.
SETUP
OUTPUTS
OPTIONS
SYNC
Fig. 62. Setup - Outputs - Options - Sync.
62-0254—13
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2.3.3.3. DI OPTIONS
SETUP
OUTPUTS
OPTIONS
The DI Option you select applies to all outputs. This
DI OPTS
option overrides any Setpoint/Setback values entered in
DISABLE
the Schedule.
SETPOINT
SETBACK
1. Press the
ENABLE
IGNORE
2. Use the
SELECT DI
OPTIONS
3. Press the
FOR
OUTPUTS
M24523A
When the digital input (DI) closes, all outputs follow the DI
option value (Disable, Setback, or Ignore):
• DISABLE disables the outputs; relays return to de-
• SETPOINT forces the control to the setpoint
• SETBACK enables a setback temperature value to be
• ENABLE energizes all relays and MOD outputs to
• IGNORE causes the digital input to have no effect on
2.3.3.4. SHOW RT
SETUP
OUTPUTS
OPTIONS
SHOW RT
1. Press the
2. Use the
YES
NO
3. Press the
Selecting YES shows the RT (run time) hours for each
USE relay on the home screen displays.
RUNTIME
FOR
NOTE: Run times can be reset to zero for each
RELAYS
M24524
2.3.3.5. SYNC
SETUP
OUTPUTS
OPTIONS
SYNC
1. Press the
NO 2. Use the
YES
3. Press the
Depending on the model, selecting YES causes all
setpoints for all relays and MODs to sync to any change
to:
ALL
SETPTS
• Relay 1 for models without MOD outputs
CHANGE
M28657
• MOD1 for models with MOD outputs
For example, assume the MOD1 setpoint is 110°F, MOD2
is 115°F, and Relay 1 is 120°F. With SYNC=YES, when
the MOD1 setpoint is adjusted to 112°F (increase 2°F),
then MOD2 and all other relay setpoints increase by 2°F.
Thus the MOD2 setpoint is now 117°F and the relay 1
setpoint is 122°F.
26
(digital input options)
button to display the DI Option
selections.
and buttons to highlight DISABLE,
SETBACK, or IGNORE.
Default: DISABLE
button to accept the value and display
the SHOW RT option.
energized state and Mod outputs return to 0% output.
temperature.
programmed for each output and forces the control to
the setback temperature.
— To program the Setback temperature, see Fig. 34
on page 16.
100%. Use this option carefully.
the Relay or Mod outputs.
(show run time hours)
button to display the Show RT values.
and buttons to select YES or NO.
Default: YES
button to accept the value and return
to the Options menu.
individual relay. You must do this for each
relay that you want to reset to zero. See
"2.3.4.3. RESET RT (run time hours)" on
page 29.
(synchronize setpoint changes)
button to display the Sync values.
and buttons to select YES or NO.
Default: NO
button to accept the value and return
to the Options menu.