Siemens QAW850 Operating Instructions

Operating instructions
The QAW850 is the optional Night zone control unit for the RRV852 Duo-zone control system. This system allows you to
control your heating and / or cooling and to set your ideal temperature conditions within the two main areas of your home. The
system is divided into the main living area (Day zone) and the main night time area (Night zone). An Auto timer mode with a 7
day programmable schedule is provided. Refer to QAX850/RRV852 Duo-zone operation instructions for master control unit
details.––
Standby
Press this button during Night zone operation to turn system off. System off will be indicated by the standby
symbol . You can also turn Night zone
Some systems will include extreme high / low temperature protection activation during
for further details.
Operation modes
Press button to select operation of Day zone
Building Technologies / HVAC Products
System Off (Standby)
Day zone: System supplies air to the day zone
only and controls to the day zone temperature
setpoint
Night zone: System supplies air to the night
zone only and controls to the night zone
temperature setpoint
Both Day/Night zone: System supplies air to
both the day and night zones and controls to the
Both zone temperature setpoint
Auto timer mode: System will change over
between Day zone and standby or Night zone
and standby
Heating
Cooling
operation on by this standby button.
or Night zone or Both zone
CE1B2726en02
B2726.02
QAW850 / RRV852
Do you want Day zone operation only?
Do you want Night zone operation only?
Do you want both Day and Night zones to
operate together?
Do you wish to change to Auto Timer mode?
– contact your supplier
or Auto Timer mode.
Press button until display shows
Day zone temperature is maintained according
to the Day zone setpoint. A Heat
symbol will be displayed to indicate the
selected system mode.
Press button until display shows
Night zone temperature is
according to the Night zone setpoint. A Heat
or Cool symbol will be displayed to indicate
the selected system mode.
Press button until display shows both
symbol. Day and Night zone temperature is
maintained according to the Both zone setpoint
and the average actual temperature between
both zones. Heat or Cool symbol will be
displayed to indicate the selected system mode.
Press button until display shows
The system will automatically change over
between Day and standby or Night zone and
standby according to 8 pre-programmed timers.
Note: Program schedule of auto timer is set via
the QAX850 master room unit.
29.08.2008
symbol.
or Cool
symbol.
maintained
symbol.
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