Air Conditioner User Manual

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER
15 62-0255—07
Fig. 27. Setup - Sensors - Sensor A - Type.
1.2.2.1. TYPE (Sensor A only)
1. From the Sensor A selections, use the S and T
buttons to highlight TYPE.
2. Press the X button to display the type values.
3. Use the S and T buttons to highlight the desired
value PT1000 (1097Ω PTC), 0-5V, 0-10V, or 4-
20MA.
Default: PT1000
NOTE: The default label PT1000 refers to a 1097Ω PTC
temperature sensor.
4. Press the X button to accept the units and return to
the Sensor A selections.
5. For PT1000 (1097Ω PTC) temperature sensors, go
to “1.2.2.2.1. UNITS (Sensor A or B; PT1000
[1097W PTC)]”.
For 0-5V, 0-10V, and 4-20MA sensors, go to
“1.2.2.2.2. UNITS (Sensor A only; 0-5V, 0-10V, or 4-
20mA)”
Fig. 28. Setup - Sensors - Sensor A - Units.
1.2.2.2.1. UNITS (Sensor A or B; PT1000
[1097Ω PTC)]
If Sensor A is configured for °F or °C units, then the units
selection does not appear for Sensor B, since Sensor B
uses the units specified for Sensor A.
1. From the Sensor A selections, use the S and T
buttons to highlight UNITS.
2. Press the X button to display the temperature units.
3. Use the S and T buttons to highlight F or C.
Default: F (Fahrenheit)
4. Press the X button to accept the units and return to
the Sensor A selections.
Continue with “1.2.2.3. CALIBRATE (Sensor A or B)”.
Fig. 29. Setup - Sensors - Sensor A - Units.
1.2.2.2.2. UNITS (Sensor A only; 0-5V, 0-10V, or
4-20mA)
1. From the Sensor A selections, use the S and T
buttons to highlight UNITS.
2. Press the X button to display the units list.
3. Use the S and T buttons to scroll through the list
and highlight the desired unit of measure.
You may need to scroll up or down to view all units.
Default: F (Fahrenheit)
4. Press the X button to accept the units and return to
the Sensor A selections.
SETUP
SENSORS
SENSOR A
TYPE
SETUP
SENSORS
SENSOR A
TYPE
SELECT
TYPE FOR
SENSOR A
PT 1000
0-5V
0-10V
4-20MA
M24589
A
SETUP
SENSORS
SENSOR A
UNITS
SETUP
SENSORS
SENSOR A
UNITS
SELECT
UNITS FOR
SENSOR A
DEG F
DEG C
M24590
SETUP
SENSORS
SENSOR A
UNITS
SETUP
SENSORS
SENSOR A
UNITS
SELECT
UNITS FOR
SENSOR A
M24591A
DEG F
DEG C
PSI
IN WC
% RH
PA
KPA
PPM
NONE