Install Instructions

T775P SERIES 2000 CONTROLLER 1. SETUP
62-0256–03 14
Fig. 23. Setup - Sensors - Sensor A - Calibrate.
1.2.2.2. CALIBRATE (the sensor)
Ensure that the wire size calibration value is within the
limits. See “Temperature Sensor Calibration” on page 8.
1. From the Sensor selections, use the S and T but-
tons to highlight CALIBRATE.
2. Press the X button to display the calibration degree
value.
3. Use the S and T buttons to increase/decrease the
desired calibration degrees.
Default: 0
Range: +/-10°F (+/-6°C)
4. Press the X button to accept the value and return to
the Sensor A selections.
Fig. 24. Setup - Sensors - Sensor A - Label.
1.2.2.3. LABEL (the sensor input)
For a sensor already labeled, the display positions to and
highlights that label.
1. From the Sensor selections, use the S and T but-
tons to highlight LABEL.
2. Press the X button to display the label list.
3. Use the S and T buttons to scroll through list and
highlight the desired label.
— For Sensor A, the label names are Sensor, Boiler,
Supply, and Chiller. Supply is the default.
— For Sensor B, the label names are Sensor and
Outdoor. Outdoor is the default.
— For Sensor C, the label names are Sensor, Boiler,
Return, and Chiller. Return is the default.
4. Use the X button to accept the highlighted label
and exit the list.
Fig. 25. Setup - Sensors - Exit.
1.2.2.4. Exit Sensor A Setup
Press the W button to exit the Sensor A selections and
return to the Sensors menu.
or
Use the S and T buttons to highlight EXIT and press the
X button.
Continue with “1.2.3. SENSOR B”.
Fig. 26. Setup - Sensors - Sensor B Menu.
1.2.3. SENSOR B
For two-sensor reset control, Sensor B must always be
the controlling temperature.
For example, in a reset control based on outside
temperature, Sensor B must be the outside sensor.
1. From the Sensors menu, use the T button to high-
light SENSOR B.
2. Press the X button to display the Sensor B menu.
3. Repeat the selections described in
“1.2.2.2. CALIBRATE (the sensor)” through
“1.2.2.4. Exit Sensor A Setup” beginning on
page 14.
Continue with “1.2.4. SENSOR C”.
SETUP
SENSORS
SENSOR A
CALIBRATE
ENTER
VALUE TO
CALIBRATE
SENSOR A
SETUP
SENSORS
SENSOR A
CALIBRATE
0.0
F
o
M24650
SETUP
SENSORS
SENSOR A
LABEL
SETUP
SENSORS
SENSOR A
LABEL
SELECT
LABEL FOR
SENSOR A
M24651
SENSOR A
BOILER A
SUPPLY A
CHILLER A
SETUP
SENSORS
SENSOR A
UNITS
CALIBRATE
LABEL
EXIT
M24652
SETUP
SENSORS
SETUP
SENSORS
# SENSORS
SENSOR A
SENSOR B
SENSOR C
EXIT
M24653