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Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Handling 26.03.2001
Terminal Terminals Connector Color
– Not used –
– Not used
B4 Buffer storage tank sensor 1 AGP2S.04C yellow
– Not used
M Ground sensors
B8/B6 Flue gas temperature sensor / collector
temperature sensor
B31/H2 D.h.w. temperature sensor 2 / input H2 /
buffer storage tank temperature sensor 2
AGP2S.04G grey
B1 Flow temperature sensor mixing valve
M Ground sensors
B7 Return temperature sensor
H1 Signal input H1 AGP2S.06A white
B2 Boiler temperature sensor 1
B3 D.h.w. temperature sensor / thermostat
M Ground sensors
– Not used
B9 Outside sensor
MD Ground PPS (room unit, BMU) AGP2S.02G blue
A6 PPS (room unit, BMU)
MB Ground bus (LPB) AGP2S.02M violet
DB Data bus (LPB)
Terminal Terminals Connector Color
– Not used –
– Not used
– Not used
– Not used AGP3S.04F orange
K7 Multi-functional output
Q2 Circulating pump mixing heating circuit
F6 Phases Q2 and K7
Y2 Mixing valve CLOSED AGP3S.03K green
Y1 Mixing valve OPEN
F2 Phases Y1 and Y2
Q3/Y3 D.h.w. charging pump / d.h.w. diverting
valve
AGP3S.03B brown
K6 Multi-functional output
F1 Phases K6 and Q3/Y3
E1 Hours run burner stage 1 AGP3S.05D red
K5 Burner stage 2
F5 Phase burner stage 2
K4 Burner stage 1
F4 Phase burner stage 1
L Live AC 230 V (mains connection) AGP3S.02D black
N Neutral (mains connection)
Low voltage side
Mains voltage side
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