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Siemens Schweiz AG User Manual CE1U2354en
HVAC Products Maintenance/special mode 23. August 2007
For safety reasons, maximum limitation of the boiler temperature (TKmax) remains
active as long as the chimney sweep function is active.
The function is deactivated by setting -.- on this operating line, or automatically after a
timeout of 1 hour.
Manual operation
Line no. Operating line
7140 Manual control
When manual control is activated, the relay outputs are no longer energized and
deenergized according to the control state but are set to a predefined manual control
state in accordance with their functions (see table below).
The burner relay energized in manual control can be deenergized by the electronic
temperature controller (TR).
Name
relay State
Oil / gas boiler Burner 1st stage K4 On
Burner 2nd stage K5 On
Burner mod. release K4 On
Burner mod. open Y17 (K5) On
Burner mod. closed Y18 Off
Boiler pump Q1 On
Bypass pump Q12 On
Return mixing valve open
/ closed
Y7/Y8 Off
Solid fuel boiler Boiler pump Q10 On
Solar Collector pump Q5 Off
Collector pump 2 Q16 Off
Ext. heat exchanger
pump
K9 Off
Controlling element buffer
storage tank
K8 Off
Controlling element
swimming pool
K18 Off
DHW Charging pump Q3 On
Diverting valve Q3 Off
Mixing pump Q32 Off
Intermediate circuit pump Q33 On
Mixing valve opening /
closing
Y31/Y32 Off
Instantaneous DHW
heater pump
Q34 On
Instantaneous DHW
heater on / off
Y33/Y34 Off
Circulating pump Q4 On
Electric immersion heater K6 On
buffer storage tank Source shutoff valve Y4 On
Return valve Y15 Off
Heating circuit 1...3 2nd heating circuit pump Q2
Q6
Q20
On
Heating circuit mixing
valve opening /
closing
Y1 / Y2
Y5 / Y6
Off
Heating circuit pump 2nd
speed
Q21
Q22
Q23
On
Cooling circuit 1 Cooling circuit pump Q24 On
Cooling circuit mixing
valve opening /
closing
Y23/Y24 Off
Diverting valve for cooling Y21 Off
Primary controller System pump Q14 On
Mixing valve opening /
closing
Y19/Y20 Off
Hx group Pump H1 Q15 On
Pump H2 Q18 On
Pump H3 Q19 On
145


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Others manual(s) of Siemens QAA 78.610

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Siemens QAA 78.610 User Manual - German - 64 pages

Siemens QAA 78.610 User Manual - French - 180 pages


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