Application

Room Functions
Room Coordination Functions for HVAC
43
Siemens Industry, Inc.
Application Note
A6V11692055
Smart Infrastructure – Building Products
2019-04-01
– The leaf icon on the room operator unit turns red If the user sets a higher
fan speed than is required by the automatic control.
Outputs:
This AF (HvacGrnLf11) provides the Room energy efficiency indication HVAC
(RHvacEei) to the room operator unit via the Room green leaf (RGrnLf) AF.
If current settings are not energy efficient and a reset request (REeiRst) ) is
received from the room operator unit, then the system sets the multistate BACnet
object Energy efficiency indication room (REei) to Excellent at Priority 13. This
clears any manual changes and overrides initiated by room occupant(s) and resets
the GreenLeaf status icon on the room operator unit back to green.
Configuration
Parameters
Description
Property
Default value
Maximum tolerance of room temperature setpoint shift
TolMaxSpTRShft
2 [K]
4 [°F]