Siemens Climatix S300 HRV - Page 65

Available parameters for
air flow control
Unit configuration BACnetobject R/RW Unit
Air flow nominal AirFlNom
AVAL,187
RW m
3
/h
Maximum air flow of the unit
Air flow minimum AirFlMin
AVAL,186
RW m
3
/h
Minimum air flow of the unit
Minimum fan speed FanSpdMinRel
AVAL,192
RW %
Fan speed feedback fault Limit FanSpdFbFltLm
AVAL,190
RW % if no feedback signal
available, see alarming
Allowed tolerance time fan speed
feedback fault supply fan=
startup delay time step7
TiSttUpSpdVnt
PINTVAl,104
RW Tolerance time=
TiSttUpSpdVnt–5sec,
maximal60sec
Allowed tolerance time fan speed
feedback fault exhaust fan=
startup delay time step6
DlyOnAflEhSta
PINTVAL,129
RW Tolerance time=
DlyOnAflEhSta–5sec,
max60sec
Ramp up / down time fans TiRmpFanSuSpd
PINTVAL,93
RW s
5.5.2.1 Available parameters for the supply fan (constant air flow)
Available parameters
supply fan
Current state BACnet object R/RW Unit
Present flow setpoint supply SpAirFlSu
AVAL,182
R m
3
/h
Present flow supply AirFlSu
AVAL,183
R m
3
/h
Supply fan pressure diff. DiffPFanSu
AVAL,17 (POS9)
AVAL,459 (QBM)
R Pa
Supply fan speed
Prio 2: Fire / Smoke
Prio 5: Protection
FanSuSpd
A1: AO,102
A2: AO,111
A3: AO,120
A4: AO,129
Modbus: AO,149
RW %
Supply fan speed feedback FanSuSpdFb
Tacho:AI,65
0~10V:AI,96
Modbus: AI,163
R %
Supply fan fault FanSuFlt
Modbus: BI,144
R
Operating mode settings BACnet object R/RW Unit
Unoccupied: supply SpAirFlSuUcd
AVAL,272
RW m
3
/h
Economy: supply SpAirFlSuEco
AVAL,271
RW m
3
/h
Comfort: supply SpAirFlSuCmf
AVAL,270
RW m
3
/h
Fire place: supply SpAirFlSuFplc
AVAL,57
RW m
3
/h
Application functionalities
Fan speed control
5
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