Siemens Synco RMK770, Basic Documentation, Page: 158 / 232

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Building Technologies Boiler Sequence Controller RMK770 CE1P3132en
HVAC Products 10 Heating circuit control 23.04.2009
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Priority Name Explanation
c
Wiring test In the wiring test (highest priority), the plant compo-
nents can be directly controlled, independent of all
other settings
The controller-internal safety functions will
be overridden!
d
Plant operation selector The plant operating mode selector has the second
highest priority and can only be overridden by the
controller’s frost protection
e
External master If the heating circuit operates in a room control
combination as a slave, the operating mode is
preselected by the external master (heating circuit
or ventilation).
In that case, interventions of priority
f through
can only be made on the master
f
Room optg mode
contact Using the room operating mode contact, a fixed
operating mode can be preselected. This operating
mode overrides the room operating mode selector
g
on the controller
g
Room optg mode
selector The room operating mode selector can be used to
switch from
mode to a continuous operating
mode with an appropriate setpoint.
In
mode, the setpoint is determined by the
time switch or the presence button and timer func-
tion