Siemens QAX910 Manual page 10

2 room groups each with
flow temperature precon-
trol and DHW heating
Integration of a
ventilation plant
10 / 16
Siemens
Building Technologies
M1 DHW pump
M2 - M3 Room group pump
T Room unit and / or
Room temperature sensor
K Electric immersion heater
RRV934
Q1 Q2
I II III
FOL
AUL
Q1 - Q3 3-stage step selector of ventilation plant
X1 Indoor air quality sensor, DC 0...10 V
X2 Humidity sensor, DC 0...10 V
Central apartment unit QAX910
Y1 Radiator control actuator SSA955
Y2 Heating circuit valve (2-position)
B1 DHW sensor
B2 - B3 Flow temperature sensor
U1 Mixing valve for radiator, DC 0...10 V
U2 Mixing valve for floor heating, DC 0...10 V
Q3
FOL
AUL
ZUL
ABL
X1
ZUL
ABL
Exhaust air
Outside air
Supply air
Extract air
CE1N2707en
06.01.2009