Daikin RY24PEV1K, Service Manual

Page: 91 / 134

SiK401004_A
83 INSTALLATION
4.1.4 Connection of Signal Line of Wired Controller
Caution:
Take great care when carrying out the following connections, so as to avoid
malfunction of the air-conditioning unit because of electromagnetic interference.
 The signal line of the wire controller must be separated from the power line and the
connecting line between the indoor unit and the outdoor unit.
 In case the unit is installed in a place vulnerable by electromagnetic interference, it is
better to use shielded cable or double-twisted cable as the signal line of the wired
controller.
 Open the cover of the electrical box of the indoor unit.
 Pull the signal cable of the wired controller through the rubber bush.
 Plug the signal line of the wired controller onto the 4-bit pin socket at the circuit board
of the indoor unit.
 Use cable fastener to bundle and fix the signal cable of the wired controller.
4.1.5 Connection of Wiring
 Disassemble right side panel and blow out hole for crossing wired on outdoor unit and
cover it with cushion rubber.
 Remove cable cleat, connect the connecting wire of power supply to the terminal and
fix it.
 Fix connecting wire of power supply and signal control wire with attached clamp
without applying external pressure on the terminal parts, and then connect the
corresponding connector.

Make sure that the wiring has been fixed.

Install the front side plate.