Siemens Synco 700 Series Basic Documentation page 21

Variant with a
second RMK770
Building Technologies
HVAC Products
Depending on the type of plant, it may be practical to use a second RMK770 controller
with the third boiler. On that second RMK770, select basic type K and – in the extra
configuration – assign boiler 3 the plant components boiler temperature sensor, burner
stage 1, boiler pump and shutoff valve.
CE- M M M M M M M M D2 M G1 Y2 G0
CE+ X1 X2 G1 X3 X4 G1 X5 X6 G1 X7 X8 D1 M G1 Y1 G0 G
RMK770(2)
Q12 Q14
Q24 Q34 Q42 Q44 Q54 Q64 Q74
Q11 Q41 Q53 Q63 Q73
Q23 Q33
T
Also, on the first RMK770, the "Number of boilers" must be set to 3, thus informing the
boiler sequence manager that a third boiler must be controlled via bus.
Main menu > Commissioning > Settings > .... or
Main menu > Settings > Boiler sequence manager
Operating line
Number of boilers
CE- M M M M M M M M D2 M G1 Y2 G0 G0
CE+ X1 X2 G1 X3 X4 G1 X5 X6 G1 X7 X8 D1 M G1 Y1 G0 G
RMK770
Q12 Q14 Q24 Q34 Q42 Q44 Q54 Q64 Q74
Q11 Q41 Q53 Q63 Q73
Q23 Q33
T
T
Boiler sequence controller RMK770
3 Commissioning
G0
Range
1...6
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
Factory setting
2
T
CE1P3132en
23.04.2009
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