Honeywell T775R 2000 Series User Manual

T775R SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER
62-0249—13 20
Fig. 46. Setup - Sensors - Sensor A Menu.
3.2.2. SENSOR A
If you are implementing two-sensor reset control, Sensor
A must always be the controlled temperature and Sensor
B must always be the controlling temperature. For
example, in a reset control based on outside temperature,
Sensor A must be the inside sensor and Sensor B must
be the outside sensor.
1. From the Sensors menu, highlight SENSOR A.
2. Press the  button to display the Sensor A selec-
tions.
Fig. 47. Setup - Sensors - Sensor A - Units.
3.2.2.1. UNITS (° F or ° C)
IMPORTANT
This is a global change and affects the unit
values for all temperature parameters on all
displays.
This UNITS screen displays only for Sensor A.
1. From the Sensor A selections, use the  and 
buttons to highlight UNITS.
2. Press the  button to display the temperature units.
3. Use the  and  buttons to highlight F or C.
Default: F (Fahrenheit)
4. Press the  button to accept the units and return to
the Sensor A selections.
Fig. 48. Setup - Sensors - Sensor A - Calibrate.
3.2.2.2. CALIBRATE (the sensor)
Ensure that the wire size calibration value is within the
limits. Refer to “Temperature Sensor Calibration” on
page 9.
1. From the Sensor A selections, use the  and 
buttons to highlight CALIBRATE.
2. Press the  button to display the calibration degree
value.
3. Use the  and  buttons to increase/decrease the
desired calibration degrees.
Default: 0.0
Range: +/-10° F (+/-6° C)
4. Press the  button to accept the value and return to
the Sensor A selections.
Fig. 49. Setup - Sensors - Sensor A - Label.
3.2.2.3. LABEL (the sensor input)
For a sensor already labeled, the display positions to and
highlights that label.
1. From the Sensor A selections, use the  and 
buttons to highlight LABEL.
2. Press the  button to display the label list.
3. Use the  and  buttons to scroll through list and
highlight the desired label. You may need to scroll
up or down to view all possible labels.
4. Use the  button to accept the highlighted label
and exit the list.
NOTE: The label names in list order are: Sensor,
Boiler, Outdoor, Duct, Dischrg, Chiller, Room,
Supply, Return, and Animals.
SETUP
SENSORS
SENSOR A
SETUP
SENSORS
SENSOR A
UNITS
CALIBRATE
LABEL
EXIT
M24324
SETUP
SENSORS
SENSOR A
UNITS
SETUP
SENSORS
SENSOR A
UNITS
SELECT
UNITS FOR
SENSOR A
DEG F
DEG C
M24325
SETUP
SENSORS
SENSOR A
CALIBRATE
ENTER
VALUE TO
CALIBRATE
SENSOR A
SETUP
SENSORS
SENSOR A
CALIBRATE
0.0
F
o
M24326
SETUP
SENSORS
SENSOR A
LABEL
SETUP
SENSORS
SENSOR A
LABEL
SELECT
LABEL FOR
SENSOR A
SENSOR A
BOILER A
OUTDOOR A
DUCT A
DISCHRG A
CHILLER A
ROOM A
M24327

Honeywell T775R 2000 Series Specifications

General

Brand	Honeywell
Model	T775R 2000 Series
Category	Controller
Language	English