Siemens Climatix S300 HRV - Page 67

5.5.2.2 Available parameters for exhaust fan (constant air flow)
Available parameters for
exhaust fan
Current state BACnet object R/RW Unit
Present flow setpoint exhaust SpAirFlEh
AVAL,227
R m
3
/h
Present flow exhaust AirFlEh
AVAL,228
R m
3
/h
Exhaust fan pressure diff. DiffPFanEh
AVAL,20 (POS9)
AVAL,461 (QBM)
R Pa
Exhaust fan speed
Prio 2: Fire / Smoke
Prio 5: Protection
FanEhSpd
A1: AO,103
A2: AO,112
A3: AO,121
A4: AO,130
Modbus: AO,150
RW %
Exhaust fan speed feedback FanEhSpdFb
Tacho:AI,69
0~10V:AI,97
Modbus: AI,164
R %
Exhaust fan fault FanEhFlt
Modbus: BI,145
R
Operating mode settings BACnet object R/RW Unit
Unoccupied: exhaust SpAirFlEhUcd
AVAL,276
RW m
3
/h
Economy: exhaust SpAirFlEhEco
AVAL,275
RW m
3
/h
Comfort: exhaust SpAirFlEhCmf
AVAL,274
RW m
3
/h
Fire place: exhaust SpAirFlEhFplc
AVAL,62
RW m
3
/h
Kitchen hood: exhaust SpAirFlEhKtch
AVAL,277
RW m
3
/h
De-icing air flow SpAirFlEhDeic
AVAL,226
RW m
3
/h
Special settings BACnet object R/RW Unit / Note
Exhaust fan Kp GainAirFlEhCtr
AVAL,231
RW % / (m3/h)
Exhaust fan Tn TnAirFlEhCtr
PINTVAL,122
RW s
K-factor, exhaust fan AirFlEhCoef
AVAL,229
RW m
3
/h per Pa
Tacho signal mapping
Pulses/sec for 100% fan speed
FanEhSpdFb
AI,69
RW Property 4965
Range 0…300 pulse/s
Application functionalities
Fan speed control
5
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