2 x Product description
13
BA ROTEX GSU - 09/2007
2.4 Connections
Temperature sensor
The ROTEX GSU has a weather-driven control of the flow temperature. This function requires an external temperature sensor.
A 3 m flexible cable is already connected inside the device and placed in the control panel on the circuit board.
The temperatures detected by the internal temperature sensors of the device (flow and return flow temperature sensors) are
used for output control of the burner and the detection of a fault.
The Storage tank temperature sensor is factory-assembled and connected (PTC resistance). The mixer circuit inflow
sensor (TMKF, 15 60 62) is required for the control of the mixer circuit .
Additional information about the operating status is provided by a flue gas temperature sensor (TAGF1 , 15 70 52).
Mixer circuit (optional)
A mixer circuit can be connected to the ROTEX GSU directly, which is controlled through the electronic boiler control.
ROTEX offers the following:
– The ready-to-connect mixer group AMK1 ( 15 60 44), which contains a circulation pump integrated in the heat insulated
housing, a motor mixer and check valves with temperature displays.
– The mixer circuit contact sensor TMKF ( 15 60 62).
Cascading (optional)
By cascading from the heat circuit expansion modules THETA HEM1 ( 15 60 61), the system can be expanded by
up to 5 mixer circuits and/or storage tank charging circuits. The required temperature sensors need to be ordered separately
(mixer circuit docking sensor TMKF ( 15 60 62), storage tank temperature sensor TSF ( 156063).
Flue gas temperature sensor (optional)
You can install the flue gas sensor connection set TAGF1 ( 15 70 52) for an optimum operating control.
Room controller (optional)
You can connect a separate room controller THETA RFF ( 15 40 70) for each heating circuit remote setting of modes
and room temperatures from another room.
You can connect a separate room controller ALPHA RTR-E ( 17 51 26) for each heating circuit for remote setting of
modes and room temperature from another room.
Room station (optional)
All temperature values and modes of the control unit THETA 23R (central unit) can be displayed and changed through the
room station THETA RS ( 15 70 18). Apart from the chimney sweep and manual operation function, all operating elements
(display, keys, rotary knobs) and functions (e.g. switching time programs ) are identical to those of the central unit.
The room station THETA RS can be installed in a suitable place in the building and can be used for the remote operation of the
boiler control.
Information about the dimensions and connecting dimensions is given in Chapter 7 "Technical data".
The electronic control detects the existing sensor configuration automatically on switching on the ROTEX GSU.
You will find more instructions and an exact description in the documentation "ROTEX Control". It is included
in the scope of supply of the particular electronic control to be ordered separately.
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