User Manual
Heating, ventilation and air conditioning - primary control
Communicating controllers - Synco™ 700
Boiler sequence controller RMK770..
264
Siemens Switzerland Ltd www.siemens.com/gamma 2020
Smart Infrastructure
8
Boiler sequence controller
Modular heating controller with integrated control and supervisory functions for:
Up to 6 boilers, multistage or modulating burners
Precontrol, heating circuit
Tested, predefined applications (refer to Application Catalog)
Flexible configuration
Clear-text operation with separate operator unit (plug-in type or detached)
Integrated KNX bus communication
No commissioning tool required
The RMK770-1 supports the languages: English, German, French, Italian, Spanish, Portuguese, Dutch,
Danish, Finnish, Norwegian, Swedish, Polish, Czech, Hungarian, Russian, Slovak, Bulgarian, Greek,
Romanian, Slovenian, Serbian, Croatian, Turkish.
Extension modules complement the boiler sequence controller and offer extra functions. They are
attached to the controller via plug-in connectors. The extension modules do not operate autonomously.
The operation of the device from commissioning to enduser operation can be done via the operator unit.
Available extension modules:
3 universal modules RMZ785
3 universal modules RMZ787
3 universal modules RMZ788
3 universal modules RMZ789
A total of 3 extension modules can simultaneously be used with the boiler sequence controller.
Available operator units:
Plug-in type operator unit RMZ790
Detached operator unit RMZ791
Bus operator unit RMZ792
Data sheet
N3132
Operating voltage
AC 24 V
Frequency
50/60 Hz
Power consumption
12 VA
Communication
KNX (KNX TP1)
Analog outputs, number
2
Analog output, signal
DC 0...10 V
Analog output, current
Max. 1 mA
Digital inputs, number
2
Digital inputs
Potential-free input signal
Digital input, contact query
5 mA
DC 15 V
Universal inputs, number
8
Universal input, signal
T1 (PTC)
Pt1000
Potential-free digital status contact
LG-Ni1000
DC 0...10 V
2 x LG-Ni1000
1000...1175 Ohm
0...1000 Ohm
Relay outputs, number
7
Relay output, switching voltage
AC 19...250 V
Relay output, switching current
4 (3) A
Degree of protection
IP20
Dimensions (W x H x D)
173 × 90 × 80 mm
RMK770-1
Stock no.
Product no.
BPZ:RMK770-1
RMK770-1