Riello NXHM 018 Operation Manual page 58

Note for installation of wired controller:
1) This installation manual contains information about the procedure of installing Wired
Remote Controller. Please refer to Unit Installation Manual for connection between Wired
Remote Controller and Indoor Unit.
2) Circuit of Wired Remote Controller is low voltage circuit. Never connect it with a standard
220V/380V circuit or put it into a same Wiring Tube with the circuit.
3) The shielded cable must be connected stable to the ground, or transmission may fail.
4) Do not attempt to extend the shielded cable by cutting, if it is necessary, use Terminal
Connection Block to connect.
5) After finishing connection, do not use Megger to have the insulation check for the signal
wire.
6.3 Installation procedure and matching setting of wired controller
6.3.1 Structure size figure
120mm
Figure A
46mm
60mm
58
20mm