Lennox Core Unit Controller User Manual

34
Min. Position
100
Parameter 117
Parameter 119
(full)
Parameter 118
(start)
carbon dioxide (ppm)
Max. Open
CloseOpen
Figure 34. Set point Control Indoor Air Quality Option
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congurationshowningure37hasterminationsontheCOREUnitControllerBACnetmodulesatbothendsand
ONLY at both ends of the chain.
• Thecongurationshowntotheingure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).
(terminated)(terminated) (not terminated) (not terminated)
CONTROLLER/
ROUTER
minated)ated)
(not terminated)
(terminated per mfg
instructions)
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).
CONTROLLER/
ROUTER
(not terminated) (terminated)
minated)
Figure 35. Terminating Ends of a Daisy-Chained Network

Lennox Core Unit Controller Specifications

General

Brand	Lennox
Model	Core Unit Controller
Category	Controller
Language	English