LCI-R setpoints for Reliatel Precedent/Voyager VAV Daytime Warmup and Morning Warmup?
Summary:
The LCI-R setpoints for (DWU) Daytime Warmup and (MWU) Morning Warmup in Reliatel Precedent/Voayer VAV systems provide an efficient wat to control temperature changes in commercial buildings, improving comfort and energy savings
When an LCI (Lontalk Communication Interface) is installed on a Reliatel Precedent/Voyager VAV units, the morning Warmup (MWU) setpoint located on the RTAM board is ignored. The Morning Warmup and Daytime Warmup setpoints come from the higher priority LCI-R DAC.
The MWU terminate setpoint is identified as NCI (Network Configuration Input) nciSetpoints.occupied heat. The default setpoint is 71F. The MWU initiate setpoint is nciSetpoints.occupied heat - 1.5F.
The DWU initiate setpoint is NCIDaytime (default 69F) and the DWU terminate setpoint is NCIDaytimeTerm (default 72F).
Notes:
This information is for Precedent/Voyager VAV ReliaTel only.
On a Precedent/Voyager VAV units without LCI-R DAC, the Morning Warmup Setpoint on the RTAM. Without LCI, Daytime Warmup (DWU) initiate is fixed at 3 degrees less than the MWU setpoint
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.