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Siemens Schweiz AG User Manual CE1U2354en
HVAC Products Additional funct. with mix. valve group or extension module AVS75.390 23. August 2007
Legend mains voltage
Diagram Function
T2 Burner 1st stage
Release modulating burner
T8 Burner 2nd stage
Air damper modulating burner opening
Q1 Boiler pump
Q2 1st heating circuit pump
Q3 DHW charging pump / diverting valve
Q4 circulating pump
Q5 Collector pump
Q6 2nd heating circuit pump
Q10 Solid fuel boiler pump
Q11 Storage tank charging pump
Q12 Bypass pump
Q14 System pump
Q15/18/19 H1/2/3 pump
Q16 Collector pump 2
Q20 Heating circuit pump HCP
Q24 Cooling circuit pump
Q25 Cascade pump
Q33
DHW intermediate circuit pump
Q34 Instantaneous heater pump
Y1
1st Heating circuit mixing valve
Y4 Heat source shutoff valve
Y5
2nd Heating circuit mixing valve opening
Y6
2nd Heating circuit mixing valve closing
Y7 Maintained boiler return temperature
Y15
Buffer return valve
Y19 Primary controller
Y21 Diverting valve for cooling
Y25 Maintained boiler return temperature valve
opening
Y26 Maintained boiler return temperature valve
closing
Y31 DHW primary controller mixing valve opening
Y32 DHW primary controller mixing valve closing
Y33 Instantaneous DHW heater valve opening
Y34 Instantaneous DHW heater valve closing
K6
Electric immersion heater
K5 Air damper modulating burner closing
K8 Solar controlling element buffer
K9 Solar pump ext. heat exchanger
K18 Solar controlling element swimming pool
166


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Others manual(s) of Siemens QAA 78.610

Siemens QAA 78.610 Installation Guide - German - 136 pages

Siemens QAA 78.610 User Manual - German - 64 pages

Siemens QAA 78.610 User Manual - French - 180 pages


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