Application

Room Segment Functions
Device Control Functions HVAC
66
Siemens Industry, Inc.
Application Note
A6V11692055
Smart Infrastructure – Building Products
2019-04-01
Configuration
Description
Parameter
Default value
Switch-on point for hot water demand
▶ When the radiant ceiling heating valve position is
greater than the switch-on point, the radiant ceiling
heating valve enables request hot water for heating.
SwiOnPtHwDmd
4 [%]
Hysteresis for hot water demand
▶ When the radiant ceiling heating valve position is
less than the hysteresis value, the radiant ceiling
heating valve disables request hot water for heating.
HysHwDmd
2 [%]
Enable downdraft compensation
0:No
1:Yes
EnDndft
0:No
Downdraft characteristics for outside air temperature
X1
▶ Outside air temperature where radiator hot water
valve provides full (100%) downdraft control.
X1DndftTOa
-5 [°C], 23.0 [°F]
Downdraft characteristics for valve position Y1
▶ The radiator valve position that provides 100%
downdraft control.
Y1DndftVlvPos
100 [%]
Downdraft characteristics for outside air temperature
X2
▶ Outside air temperature where the radiator hot water
valve begins to provide downdraft control.
X2DndftTOa
10 [°C], 50.0
[°F]
Downdraft characteristics for valve position Y2
▶ The radiator valve position that initializes downdraft
control.
Y2DndftVlvPos
25 [%]
Chilled Ceiling with Chilled Water (CcgChw11)
Main features:
⚫ Chilled water cooling valve modulation
⚫ Radiant ceiling available status
⚫ Interlocks
⚫ Supply chain interface
⚫ Condensation monitoring
⚫ Room dewpoint temperature monitoring