Application

Application Notes
Sequence of Operation – Summary
27
Siemens Industry, Inc.
Application Note
A6V11692053
Smart Infrastructure – Building Products
2019-04-01
h)
When in deadband (no heating or cooling) – during any mode – the room unit will display the
last Comfort or Pre-Comfort heating or cooling setpoint.
i)
The heating/cooling state is displayed as an icon on the room unit. When in deadband, the
space for the icon is blank to indicate that heating and cooling are both off.
Related objects:
⚫ OP MODE EFF – Present operating mode (PrOpMod)
⚫ RM TEMP EVAL – Room temperature (RTemp)
⚫ HTG STPT EFF – Present heating setpoint (PrSpH)
⚫ CLG STPT EFF – Present cooling setpoint (PrSpC)
⚫ RM TEMP STPT – Room temperature setpoint (SpTR)
⚫ RM TEMP SHFT – Room temperature setpoint shift (SpTRShft)
⚫ CMF CLG STPT – Cooling setpoint for comfort (SpCCmf)
⚫ CMF HTG STPT – Heating setpoint for comfort (SpHCmf)
⚫ STBY C DELTA – Delta cooling setpoint for pre-comfort (DSpCPcf)
⚫ STBY H DELTA – Delta heating setpoint for pre-comfort (DSpHPcf)
⚫ ECO CLG STPT – Cooling setpoint for economy (SpCEco)
⚫ ECO HTG STPT – Heating setpoint for economy (SpHEco)
⚫ PROT CLGSTPT – Cooling setpoint for protection (SpCPrt)
⚫ PROT HTG SP – Heating setpoint for protection (SpHPrt)
⚫ H.C STATE – Heating/cooling state (HCSta)
Supply airflow setpoints
Min and max supply airflow heating and cooling setpoints, separately configurable:
⚫ HTG FLOW MIN – Supply air VAV minimum air volume flow for heating
(VavSuAirFlMinH)
⚫ HTG FLOW MAX – Supply air VAV maximum air volume flow for heating
(VavSuAirFlMaxH)
⚫ CLG FLOW MIN – Supply air VAV minimum air volume flow for cooling
(VavSuAirFlMinC)
⚫ CLG FLOW MAX – Supply air VAV maximum air volume flow for cooling
(VavSuAirFlMaxC)
Min and max supply airflow ventilation setpoints:
⚫ VENT FLO MIN – Supply air VAV minimum air volume flow for ventilation
(VavSuAflMinVnt)
⚫ VENT FLO MAX – Supply air VAV maximum air volume flow for ventilation
(VavSuAflMaxVnt)
Additional ventilation parameters, separately configurable per occupancy mode:
⚫ Room minimum ventilation flow setpoints
⚫ Room DCV indoor air quality ppm setpoints (14169)