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Building Technologies Boiler sequence controller RMK770 CE1P3132en
HVAC Products 12 Function block “Miscellaneous“ 23.04.2009
The outside temperature can be delivered by different sources:
• Locally connected to a terminal
• Delivered via bus
The following variants are available:
Variant Effect Diagram
Outside temperature
locally at terminal.
Communication outside
temperature not active
Controller operates with its
own outside temperature.
No impact on the bus
T
Outside temperature
locally at terminal.
Communication outside
temperature active
Controller operates with its
own outside temperature.
The outside temperature is
also made available to other
controllers via bus
T
No outside temperature
locally.
Communication outside
temperature active
The controller operates with
the outside temperature
delivered by some other
controller via bus
3140Z10
T
No outside temperature
locally.
Communication outside
temperature not active
The controller has no outside
temperature to work with
T
The type of outside sensor can be selected under Settings > Inputs at the assigned
terminal. Default setting is an LG-Ni1000 sensor.
Connection of an NTC575 sensor (e.g. QAC32) is not possible.
Main menu > Commissioning > Settings > … or
Main menu > Settings > Inputs
Operating line Range Factory setting
RMK770… (or RMZ78…) Ni1000 / 2×Ni1000 /
T1 / Pt1000 / 0…10 V
Ni1000
The outside temperature signal can be transmitted to other controllers via bus or it can
be received by the bus. For that purpose, communication must be activated and an
outside temperature zone must be set. An outside temperature zone identified by “---”
means that the outside temperature on the bus is inactive.
To enable different outside temperature signals to be transmitted via bus (e.g. outside
temperature for heating zone North, outside temperature for heating zone South), they
must be assigned to own outside temperature zones. The relevant settings are de-
scribed in chapter 14 „Communication“.
Main menu > Commissioning > Communication > Distribution zones
Operating line Range Factory setting
Outside temperature zone
---- / 1…31 ----
Connection choices
Outside temperature
via the bus
Configuration
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