19
Install of ducted type indoor unit
●
Connection of Remote controller Signal Wire:
1. Open the cover of the electric box of the indoor unit;
2. Pass the signal line of the remote controller through the rubber ring;
3. Insert the signal line of the remote controller into the four-positioned pin stands
（
CN19
）
on the
electric circuit board of the indoor unit;
4. Bind the signal lines of the remote controller firmly together and fix them.
Attention:
Special precaution must be taken when doing the following connections so as to prevent from the
failure of the air conditioner unit due to EMI (electromagnetic interference).
1. The signal lines and the distribution (communication) wires should be separated from the power
supply cord and the connection lines between the indoor and the outdoor units;
2. In the case that the air conditioner unit has to be installed at the places subject to the EMI, it is
advised to use shielded and double-strand wires for the signal lines and distribution (communication)
wires.
Summary of Contents for OV-R224P/Na-M
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