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Instruction for Use | HCA 56x and 8x8
7.5 Mounting Position
The installation position on the radiator is directly related to the type of radiator, its heating
power and the heat cost allocator. To guarantee the correct data collection, the heat cost allo-
cators must be installed and used in a certain position in accordance with requirements.
The radiator's heat is transmitted directly via the installation back plate to the device's tem-
perature sensor or to its remote sensor
Sontex heat cost allocators are to be installed as described below.
Wall mounting, the remote sensor is mounted on the radiator and the heat cost allocator is
mounted on the wall.
7.4 Operating Range
The Sontex heat cost allocators can be used in heating systems with the following mean
heating medium temperatures:
For single sensor devices with start sensor
55°C…105° C for standard heat cost allocator.
55°C…120°C for wall-mounted heat cost allocator (remote sensor).
For double sensor devices
35°C…105° C for standard heat cost allocators.
55°C…120°C for wall-mounted heat cost allocators (remote sensor).
A heat cost allocator can be used in heating systems where the suitability of the system is in
line with the operating conditions for which the heat cost allocator has been approved.
Wall mounting must be carried out if the design of the radiator does not allow sufficient
contact with the conductive elements or if the radiator is smaller than 250 mm in height or if
for reasons of aesthetics or water splashes, the heat cost allocator cannot be mounted on the
radiator.
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