Honeywell T775U Series 2000 Installation Instructions Manual page 14

T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER
Setup Procedure
The Setup process uses a hierarchical menu structure
that is easy to use. You press the
to move forward and backward through the menus.
NOTE: The menus can display only those relays that
are defined in Setup (see "1.3.2. NBR OF
RELAYS" on page 21). For example, if you con-
figure only two relays, then only two relays dis-
play on the appropriate menus.
SETUP
SENSORS
Fig. 24. Setup - Sensors Menu.
SETUP
SENSORS
# SENSORS
Fig. 25. Setup - Sensors - Number of Sensors.
SENSOR A
TYPE = PT1000
SETUP
SETUP
SENSORS
SENSORS
SENSOR A SENSOR A
TYPE
UNITS
CALIBRATE
LABEL
EXIT
Fig. 26. Setup - Sensors - Sensor A Menu.
62-0255—07
To change the controller's sensors and output setup
parameters, perform the following procedures in the order
listed:
and arrow buttons
1. Enter Setup mode — see "1.1. Entering Setup
Mode"
2. Setup Sensors — see "1.2. Setting up the Sensors"
3. Setup Outputs — see "1.3. Setting up the Outputs"
on page 17
4. Exit Setup Mode — see "1.4. Exiting Setup" on
page 24
1.1. Entering Setup Mode
To enter Setup mode, press and hold the MENU button
for five seconds to display the Setup menu. See Fig. 23
on page 12.
1.2. Setting up the Sensors
SETUP
SENSORS 1. From the Setup menu, use the
highlight SENSORS.
# SENSORS
2. Press the
SENSOR A
SENSOR B
EXIT
M24586
1.2.1. Number of SENSORS
SETUP
SENSORS
The value entered here determines the number of
# SENSORS
sensors displayed on the home screen.
NOTE: For applications that do not use Reset, only one
2
1. From the Sensors menu, highlight # SENSORS then
press the
2. Use the
ENTER
NUMBER OF
sensors (1 or 2).
SENSORS
M24587
3. Press the
the SENSOR A selection.
SENSOR A
1.2.2. SENSOR A
TYPE = 0-5V, 0-10V,
OR 4-20MA
If you are implementing two-sensor reset control, Sensor A
must always be the controlled temperature and Sensor B must
SETUP
always be the controlling temperature. For example, in a reset
SENSORS
SENSOR A
control based on outside temperature, Sensor A must be the
inside sensor and Sensor B must be the outside sensor.
TYPE
UNITS
MIN VAL
1. From the Sensors menu, highlight SENSOR A.
MAX VAL
2. Press the
CALIBRATE
LABEL
tions.
EXIT
The menu selections change depending on whether the
sensor type is 1097 PTC (temperature) or 0-10V / 4-
20MA.
M24588A
14
and
button to display the Sensors menu.
sensor (Sensor A) is available for use.
button to display the number of sensors.
and buttons to enter the number of
Default: 2
button to accept the value and display
button to display the Sensor A selec-
buttons to