Siemens Synco 700 Series Basic Documentation page 20

Variant with
extension module
20/232
Building Technologies
HVAC Products
CE- M M M M M D2 M G1
M M M
CE+ X1 X2 G1 X3 X4 G1 X5 X6 G1 X7 X8 D1 M G1 Y1
RMK770
Q12 Q14 Q24 Q34 Q42 Q44 Q54
Q11 Q41 Q53
Q23 Q33
T
To integrate the third boiler, 2 choices are available:
Since the RMK770 controller does not have a sufficient number of outputs, an exten-
sion module is required.
Now, in the extra configuration, boiler 3 is assigned the boiler temperature sensor, the
first burner stage, the boiler pump and the shutoff valve.
CE- M M M M M M M M D2 M G1 Y2 G0 G0
M G
CE+ X1 X2 G1 X3 X4 G1 X5 X6 G1 X7 X8 D1 G1 Y1 G0
RMK770
Q12 Q14 Q24 Q34 Q42 Q44 Q54 Q64 Q74
Q11 Q23 Q33 Q41 Q53 Q63 Q73
T T
1
2
Boiler Sequence Controller RMK770
3 Commissioning
Y2 G0
G0
G0 G
Q64 Q74
Q63 Q73
T
T
RMZ78...
T
3
T
T
T
CE1P3132en
23.04.2009