Installation & Operating Instructions
BAPI-Stat 4 “X-Combo”, Room %RH and Temp. Sensor
BA/BS4XC
Building Automation Products, Inc., 750 North Royal Avenue, Gays Mills, WI 54631 USA
Tel:+1-608-735-4800 • Fax+1-608-735-4804 • E-mail:[email protected] • Web:www.bapihvac.com
Specifications subject to change without notice.
rev. 10/28/16
27939_ins_BS4XC
3 of 8
Optional Communication Jack Wiring
Fig. 8:
C35L
Comm. Jack
(male jack
shown for clarity)
Fig. 7:
Back
Plate of the
BAPI-Stat 4
Fig. 9:
C11L/C22L
Comm. Jack
C35L
C11L/
C22L
Comm Jack Pin
Wire Color
1
Not Connected
2
Black
3
Red
4
Yellow
5
Green
6
Not Connected
C11L/C22L Wiring
Optional Test and Balance Switch (SW5)
The test and balance switch is used by the balancer to equalize the flow of air or water per the design prints. This
switch can also be used by the commissioning technician to verify sensor termination in a point to point checkout of the
control system. The “Run” position allows the real sensor to be monitored. The “High” position forces the output to a
very hot reading and the “Low” position forces the output to a very cold output. The table below shows the most com-
mon sensor output readings.
Run: Sensor operates normally
Low: Sets the sensor value low
High: Set the sensor value high
The “X-Combo” is available with optional LCD, override and
setpoint buttons. See Fig. 10 for a fully featured sensor.
NUMERICAL DISPLAY:
The default numerical display shows current temperature, and
toggles to humidity display at an adjustable rate of 1 to 20
seconds. When the up/down buttons are pushed, the display
will show and adjust the current setpoint and hold that display
for 3 seconds. The unit can also be programmed to “setpoint
only” display or setpoint lockout. See pages 4-5.
BAPI-MAN INDICATOR (FIG. 11):
The BAPI-Man on the display indicates whether the room is in
the “Occupied” (solid) or “Un-occupied” (hollow) status.
Note:
The unit must receive a confirmation (ground) signal on
the “OVR” terminal for the BAPI-Man to remain visible on the
screen. Pressing the Override button will light the BAPI-Man
indicator; however, if no confirmation signal is received, then
the BAPI-Man will go blank (disappear) after 5 seconds.
Display and Front Panel Button Operation
Fig. 10:
X-Combo with LCD, Setpoint and Override
“BAPI-Man” Indicator
Override Pushbutton
Temperature Display in
.5 Degree Increments
Setpoint Up/Down
Buttons
“Setpoint” word Indicates
that the Setpoint is being
displayed
.
Override Pushbutton for
Units without Setpoint
Continued on next page....
Sensor Type
Low Temp (40° F)
Resistance Value
High Temp (105°F)
Resistance Value
1000Ω RTD
1.02KΩ (41.20°F)
1.15KΩ (101.5°F)
3000Ω Thermistor
7.87KΩ (39.8°F)
1.5KΩ (106.8°F)
10K-2 Thermistor
30.1KΩ (34.9°F)
4.75Ω (109.1°F)
10K-3 Thermistor
26.7KΩ (35.9°F)
5.11KΩ (108.4°F)
10K-3(11K) Thermistor
7.32KΩ (43.7°F)
3.65Ω (105.2°F)
