Siemens Climatix S300 HRV - Page 72

5.5.3.2 Available parameters for the exhaust fan (constant duct
pressure)
Available parmeters for
exhaust fan
Current state BACnet object R/RW Unit
Present pressure setpoint exhaust SpPEx AVAL,234 R Pa
Present pressure exhaust PEx
AVAL,457 (POS9)
AVAL,462 (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
Present flow exhaust
(Available if DiffPFanSu is configured)
AirFlEh
AVAL,223
R m3/h
Exhaust fan pressure diff
(Available if DiffPFanSu is configured)
DiffPFanEh
AVAL,20 (POS9)
AVAL,461 (QBM)
R Pa
Operating mode settings BACnet object R/RW Unit
Unoccupied: extract SpPExUcd
AVAL,285
RW Pa
Economy: extract SpPExEco
AVAL,284
RW Pa
Comfort: extract SpPExCmf
AVAL,283
RW Pa
Fire: exhaust SpPExFplc
AVAL,76
RW Pa
Kitchen hood: extract SpPExKtch
AVAL,286
RW Pa
Special settings BACnet object R/RW Unit
Exhaust fan Kp GainAirFlEhCtr
AVAL,231
RW %/Pa
Exhaust fan Tn TnAirFlEhCtr
PINTVAL,122
RW S
K-factor, exhaust fan AirFlEhCoef
AVAL,236
RW M3/h per Pa
Tacho signal mapping
Property 4965
FanSuSpdFb
Al,65
RW Pulses/sec for 100% fan
speed
Range 0…300 pulse/s
Application functionalities
Fan speed control
5
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