Determining Indoor Air Quality Inputs; Bacnet - Lennox Core Unit Controller Setup Manual

10.6. Determining Indoor Air Quality Inputs

Selection from the CORE Unit Controller menu display.
Go to DATA > SYSTEM DATA / SENSORS / OUTPUTS > LOCAL INPUTS > SENSORS

10.7. bACNET

• The configuration shown in figure 37 has terminations on the CORE Unit Controller BACnet modules at both ends and
ONLY at both ends of the chain.
• The configuration shown to the in figure 37 has a termination at the controller/router on one end and a termination at the
CORE Unit Controller BACnet module on the other end; terminations are ONLY at the ends of the chain.
• Cable type - twisted pair with shield, 22 awg minimum, Belden #88761 or #8761 (Lennox 27M19, 94L63, 68M35).
ated)
(terminated)
The configuration shown above has terminations on the
unit controller BACnet modules at both ends and ONLY
at both ends of the chain.
The configuration shown to the right has a termination at
the controller/router on one end and a termination at the
ations are ONLY at the ends of the chain.
Cable type - twisted pair with shield, 22 awg minimum,
Belden #88761 or #8761 (Lennox 27M19, 94L63, 68M35).
100
Parameter 117
Max. Open
Min. Position
carbon dioxide (ppm)
Figure 34. Set point Control Indoor Air Quality Option
CONTROLLER/
ROUTER
(not terminated)
(not terminated)
CONTROLLER/
ROUTER
(terminated per mfg
instructions)
Figure 35. Terminating Ends of a Daisy-Chained Network
Close Open
Parameter 119 Parameter 118
(full) (start)
(not terminated)
(not terminated)
34
minated)
(terminated)
minated)
(terminated)