User Manual

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Siemens Central apartment unit with consumption data acquisition QAX913 CE1N2740en
Building Technologies 2016-01-30
Q1 - Q3 3-stage step selector of ventilation plant
X1 Air quality sensor, DC 0…10 V
X2 Humidity sensor DC 0…10 V
FOL Exhaust air
AUL Outside air
ZUL Supply air
ABL Extract air
Operating and display elements
2740p03.tif
Ventilation button / hot water button
Button with double occupancy for ventilation and hot water operation.
Sets ventilation state (Auto / Off / Stage 1 / Stage 2 / Stage 3) and hot
water operating mode (Auto / Normal / Reduced / Protection mode), as
well as a manually trigger (press the button longer) for a one-time forced
ventilation or hot water forced charging.
Absence / Monitor button
Selects monitoring function (inactive, partial monitor, everything monitored)
and absence function (present / absent). The absence function impacts
heating, ventilation, air conditioning, hot water (control to operating mode
absent), starts the presence simulation program or triggers switching
groups configured for absence.
Ventilation plant
integration
Operating element
functions