Specifications
Zone Temperature Sensor — The monitor thermo-
stat measures zone temperature through a solid-state tem-
perature sensor located on the printed circuit board. See
Fig. 19. The sensor measures temperature with a range of
30 to 180 F with 1/10 degree resolution.
ZONE TEMPERATURE SENSOR CALIBRATION — To
calibrate the zone temperature sensor, configure category 5,
option 2. The temperature reading of the sensor will be dis-
played. Compare the reading to an accurate thermometer. Use
the left upper or lower set point buttons to raise or lower the
temperature reading (by tenths of a degree) until the desired
calibrated temperature is shown. The range of possible tem-
peratures is 30 to 180 F.
Zone Temperature Monitoring — The monitor ther-
mostat uses sensors to monitor the temperature in the zone.
The monitor thermostat can do one of the following:
• use the local zone temperature sensor for temperature
information
• use its remote room sensor(s) (field installed) for tempera-
ture information
• average the temperatures it receives from its local room
temperature and a remote room sensor for temperature
information.
To configure the room sensor, set category 5, option 1.
When the Room Sensor option is set to 1, the monitor ther-
mostat will use the local zone temperature sensor for tem-
perature information. When the Room Sensor option is set
to 2, the monitor thermostat uses its remote room sensor(s)
(field installed) for temperature information. When the Room
Sensor option is set to 3, the monitor thermostat averages
the temperatures it receives from its local room temperature
and a remote room sensor for temperature information.
Remote Room Temperature Sensor — The moni-
tor thermostat can measure zone temperature through a solid-
state temperature sensor located at a remote location up to
1000 ft from the monitor thermostat. The sensor measures
temperature with a range of 30 to 180 F with 1/10 degree
resolution. The remote zone temperature sensor is con-
nected to the monitor thermostat through the wiring connec-
tor board. Up to 4 remote room sensors can be used. When
more than one remote room sensor is used, the temperatures
are averaged.
All sensors must be wired in parallel. When adding re-
mote room sensors, a field-supplied 9.2 K ohm resistor must
be added to the connector block for each sensor. See Fig. 20.
REMOTE ROOM TEMPERATURE SENSOR CALIBRA-
TION — To calibrate the remote room temperature sensor,
configure category 5, option 3. The temperature reading of
the sensor will be displayed. Compare the reading to an ac-
curate thermometer, placed in the approximate center of the
space (or measure temperature at each sensor and manually
compute the average). Use the left upper or lower set point
buttons to raise or lower the temperature reading (by tenths
of a degree) until the desired calibrated temperature is shown.
The range of possible temperatures is 30 to 180 F.
SET-BACK OVERRIDE — Whenever the set-back over-
ride (SBO) contacts are closed the monitor thermostat will
proceed in Occupied mode. When the SBO contacts open
the monitor thermostat will continue to follow the local oc-
cupancy schedule it is programmed to follow. The SBO dry
contacts are field-supplied. See Fig. 20.
NOTE: The set-back override (SBO) contacts will only over-
ride the monitor thermostat’s local occupancy schedule and
will not interrupt any devices following a global schedule.
Duct Temperature Sensor — The monitor thermo-
stat, configured in VVTt Monitor mode, measures supply-
air temperature through a solid-state temperature sensor. See
Fig. 21 for location. The duct sensor is part of the damper
actuator and does not need to be wired in VVT Monitor ap-
plications. In Monitor-Only applications, the monitor ther-
mostat is not connected to a damper and the duct tempera-
ture sensor is wired to the relay pack. The sensor can be
located up to 500 ft from the monitor thermostat. The sensor
measures temperature with a range of 30 to 180 F with
1/10 degree resolution. See Fig. 22 for Monitor-Only mode
sensor wiring. The monitor thermostat must be configured
to use the duct temperature sensor.
To configure the Duct Temperature Sensor option, con-
figure category 5, option 4. Set the option to ON if using a
duct temperature sensor. Set the option to OFF, if not using
a duct temperature sensor. The default is OFF.
DUCT TEMPERATURE SENSOR CALIBRATION — To
calibrate the duct temperature sensor, configure category 5,
option 5. The temperature reading of the sensor will be dis-
played. Use an accurate thermometer to compare tempera-
ture readings. Use the left upper or lower set point buttons
to raise or lower the temperature reading (by tenths of a de-
gree) until the desired calibrated temperature is shown. The
range of possible temperatures is 30 to 180 F.
Fig. 19 — Zone Temperature Sensor Location
NOTE: For each additional sensor (2 or more total) a resistor must be
added. Resistors are wired in parallel between terminals RS- and W
on the thermostat terminal block.
Example shown is for 4 Remote Room Sensors.
Fig. 20 — Remote Room Sensor Wiring
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