INSTRUCTION
Thermostat EFIT 540/550
Table of contents
Installation of Thermostat EFIT 540/550 ....................... 4
Activating Thermostat EFIT 540/550............................. 13
Change of basic setting ................................................ 15
Factory settings ............................................................ 23
Network......................................................................... 24
Error messages ............................................................. 26
Technical specifi cations ................................................ 28
Connection diagram...................................................... 29
Please Note:
The Thermostat EFIT 540/550 must be connected and the
basic setting must be done by an authorised electrician.
In-appropriate installation and basic setting may cause
damage to the heating system or fl oor construction.
088L0358 - 01.01 09-2003
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