Information for heating contractor
CR 10 H – 6720876740 (2017/08)
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4 Information for heating contractor
4.1 Installation
▶ Installing the user interface on an even wall ( fig. 1 to 3 from page 109).
4.2 Electrical connection
The user interface is powered via the BUS cable.
Table 1 Permitted BUS cable lengths
▶ Route and connect the BUS cable properly.
▶ Establish the BUS connection ( fig. 4, page 110).
For designation of the BUS terminal, see the technical documentation for the heat
source.
4.3 Commissioning
At initial commissioning or restarting after a reset.
Length Recommended cross-
section
Type of cable
≤ 100 m 0.50 mm
2
At least H05 VV ... (NYM-J...)
≤ 300 m 1.50 mm
2
Systems with one heating circuit (room controller – CO)
▶ Switch on the system / Reset CR 10 H.
Three dashes are displayed while the connection is being
established. The room temperature is displayed after the
connection has been established.
Systems with several heating circuits (remote control – Fb)
▶ Switch on the system / Reset CR 10 H.
Three dashes are displayed while the connection is being
established.
°C
°F
°C
°F