Honeywell T775B Series Instruction Instructions page 20

T775A/B/M SERIES 2000 CONTROLLER
SETUP
SENSORS
SENSOR B
LIMIT
Fig. 42. Setup - Sensors - Sensor B - Limit.
SETUP
SENSORS
SENSOR B
Fig. 43. Setup - Sensors - Sensor B - Hi/Low Limit
(showing Hi Limit).
62-0254–03
SETUP
SENSORS
SENSOR B
LIMIT
DISABLE
HI LIMIT
LOW LIMIT
SELECT
HI/LOW
LIMIT FOR
SENSOR B
SETUP
SENSORS
SENSOR B
UNITS
CALIBRATE SETUP
LABEL SENSORS
LIMIT SENSOR B
HI LIMIT
THROT RNG
EXIT
ENTER
VALUE FOR
SENSOR B
HI LIMIT
2.2.4. LIMIT
For the T775M2030 and T775M2048 models only, the
LIMIT item displays on the Sensor B menu.
NOTE: The LIMIT option acts only on Modulating
Output 1.
1. From the Sensors menu, use the
light SENSOR B.
2. Press the
3. Use the
4. Use the
M24508
5. Use the
(Disable, Hi Limit, or Low Limit).
Default: Disable
6. Press the
the Sensor B menu.
When you select Hi Limit or Low Limit, the Sensor B menu
changes and adds the Hi/Low Limit and Throttling Range
items.
If you are setting a Hi or Low Limit, continue with "2.2.4.1.
HI LIMIT or LOW LIMIT (Sensor B only)".
If you selected Disable for the Limit value, continue with
"2.3. Setting up the Outputs" on page 21.
2.2.4.1. HI LIMIT or LOW LIMIT
Fig. 43 shows the Hi Limit (Heat mode), but the process is
the same for setting the Low Limit (Cool mode). For
proper operation, the high limit should be used only in the
Heat mode, and the low limit only in the Cool mode.
HI LIM
Sensor B can be assigned a high/low limit, so that as you
are controlling temperature at Sensor A, the control
adjusts its modulating output to prevent exceeding the
user-entered limit for Sensor B.
90 o
F
1. From the Sensor B menu, use the
light HI LIMIT or LOW LIMIT.
2. Press the
3. Use the
desired Limit value.
4. Press the
M24509
the Limit menu.
20
2. SETUP (ADVANCED OPTIONS)
(Sensor B only)
button to display the Sensor B menu.
and buttons to select the LIMIT item.
button to display the Limit selections.
and buttons to select the desired limit,
button to accept the value and return to
(Sensor B only)
button display the LIMIT value.
and buttons to increase/decrease the
button to accept the value and return to
button to high-
button to high-