Honeywell T775A Series Installation Instructions Manual page 21

SETUP
SETUP
SENSORS
SENSORS
SENSOR B
SENSOR B
UNITS
CALIBRATE
LABEL
LIMIT
HI LIMIT
THROT RNG
EXIT
Fig. 46. Setup - Sensors - Sensor B - Throttling Range.
SETUP
OUTPUTS
Fig. 47. Setup - Outputs Menu.
SETUP
OUTPUTS
MOD 1
Fig. 48. Setup - Outputs - Modulating Output Menu.
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T775A/B/M SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS
2.2.4.2. THROTTLING RANGE
only)
The throttling range for the modulating high or low limit
positions the setpoint at the end of the throttling range.
SETUP
For example, with a high limit at Sensor B of 200°F and a
SENSORS
throttling range of 10°F, the modulating output controlling
SENSOR B
THROT RNG
Sensor A begins to throttle back at 190°F
(88°C), and fully closes at 200°F (93°C). Conversely, the
throttling range for the low limit begins above the setpoint
in the same manner.
10
o
F 1. From the Limit menu, use the
2. Use the
ENTER
VALUE FOR
SENSOR B
THROTLING
RANGE
3. Press the
M24510
4. Press the
5. Press the
2.3. Setting up the Outputs
SETUP
OUTPUTS
1. From the Setup menu, use the
MOD 1
MOD 2
2. Press the
# RELAYS
OPTIONS
NOTE: The menus (e.g. the Outputs menu shown
RELAY 1
RELAY 2
RELAY 3
RELAY 4
EXIT
M24511
The following procedures set up each modulating output
and relay output.
2.3.1. Setting up the Modulating Outputs
SETUP
OUTPUTS
1. From the Output menu, use the
MOD 1
TYPE
MIN OUT %
INTEGRAL
2. Press the
DERIVATIV
SCHEDULE
HIDE
NOTE: Modulating outputs are not available on the
EXIT
M24512A
Use the remaining procedures, beginning with "2.3.1.1.
TYPE (of output signal)" on page 22, to set up each
modulating output. If you have two modulating outputs,
repeat these procedures for each modulating output.
21
THROT RNG.
and buttons to increase/decrease
the desired value for the Throttling Range.
Default = 0
button to accept the value and return
to the Limit menu.
button to exit the Limit menu.
button to exit the Sensors menu and
return to the Setup menu.
to highlight OUTPUTS.
button to display the Outputs menu.
here) can display only those relays that are
defined in Setup (see "2.3.2. NBR OF
RELAYS" on page 24). For example, if you
configure only two relays, then only two
relays display on the appropriate menus.
tons to highlight the desired modulating output
(MOD 1 or MOD 2).
button to display the selected MOD
menu.
T775A and T775B controller models. If you
are setting up one of these controllers, skip
to "2.3.2. NBR OF RELAYS" on page 24.
(Sensor B
button to highlight
and buttons
and but-
62-0254—13