13
j.
Select
Temperature Sensor Source
as
SBUS / Wireless Sensor
and select
Next
.
k. Set
Occupied Blower Mode
as
Auto
Cycling/Auto-Continuous1/2/3
and
select
Next
.
l.
Select
Backup Mode
as
None/Wired
Thermostat/ Return Air Backup
and
then select
Next
.
NOTE:
Lennox recommends setting a backup
mode (Return Air Backup).
m. The summary is displayed and then
select
Next
after checking the displayed
setting information.
n. Select
Finish
.
6. For Setup with the M3 Unit Controller:
a. Use the M3 Unit Controller and navigate
on the screen to
Settings
>
RTU Op-
tions
>
Edit Parameter
.
b. Use the up arrow until the screen shows
DATA ID = 385
, then select
SAVE
.
c.
Set ID 385
(BACnet and CS COEXIST)
to
1
, then select
SAVE
.
d. Navigate on the screen to
Setup
>
Net-
work
Integration
.
e. Select
L-CONNECTION
and select
SAVE
.
f.
Enter the
S-BUS Address
and select
SAVE
. This should match the S-BUS Ad-
dress on switch S1 on the sensor.
NOTE:
Lennox M3/M4 unit controllers use a de-
fault S-BUS address of 2. If the sensor
and unit controller are both configured
to use address 2, there is no need to go
through S-BUS setup to change the unit
S-BUS address.
g. Select the
Control Mode
as
Room Sen-
sor
then select
SAVE
.
h. Select
CO2 network sensor source
as
NO
, then select
SAVE
.
i.
Select
Relative Humidity Network
Source
as
YES
, then select
SAVE
.
j.
Select
Temperature Network Source
as
YES
, then select
SAVE
.
k. Set
Occupied Blower Mode
as
Auto
Cycling/Auto-Continuous1/2/3
and
select
SAVE
.
l.
Select
Backup Mode
as
None/Wired
Thermostat/ Return Air Backup
and
then select
SAVE
.
