12
Sensor – Operation with BACnet Network
(M3/M4 ONLY)
The sensor can also function with a unit controller
with an BACnet Building Automation System
(BAS). The 21L07 is
ONLY
compatible in this mode
of operation with M3 and M4 Unit Controllers.
NOTE:
The following S1 and S2 switches should
be set before power is applied to the sen-
sor.
NETWORK/BAS AND S-BUS
SETTINGS
1. Set
S1
(switches 1 through 5) for
S-BUS
Address
to match the S-BUS address of the
RTU. Each RTU must have a unique address.
2. Set
S1
(switch 6) for
Mode
to the
OFF
posi-
tion for
NETWORK/BAS
.
3. Set
S2
(switch 3)
Operation Mode
to
ON
, for
wired S-BUS mode.
4. Connect sensor and RTU controller using rec-
ommended wire (two conductor, twisted-pair,
shielded, 22AWG). See Figure 6. BACnet
Wiring Configuration on page 11 for further
details.
5. For setup with the
M4 Unit Controller
use the
following procedure:
a. Download the CORE Service app.
b. Apply power to the sensor.
c. Using the CORE Service app, go to the
Rooftop Unit menu and select
Network
Integration
under
Setup
.
d. Select the
Network Setup Wizard
.
e. Select
BACnet
under
Network Setup
Wizard
and select
Next
.
f.
Enter the
BACnet MAC address
,
Device Instance
, and
Baud Rate
and
select
Next
.
g. Select the
Control Source
as
Room
Sensor
then select
Next
.
h. Select
CO2 sensor source
as
Local
or
None
.
i.
Select
Relative Humidity Sensor
Source
as
SBUS
/ Wireless Sensor
and select
Next
.
