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2
2
INSTALLATION WORK
CAUTION:
- DO NOT use the multi-core wire for electrical wiring. If used, some signals of one system
transfer to the other system, the signals interfere each other and it cause the malfunction.
- DO NOT use thin shield wire such as CPEVS. Such wires with big electrostatic capacity make
the transmission signal dull end the transmission error may occurs in case of long distance
wiring.
- DO NOT run any cable for transmission and signal along the power line (220-240V, 380-
415V).
- DO NOT run any cable for transmission and signal along other cables for transmission and
signal.
- If the cables are required to be run along, keep a distance more than 30 cm between each
cables, or insert the cables for each transmission system into the metal conduit tube and
ground one end of the conduit tube.
2.
INSTALLATION WORK
2.1.
SELECTION OF INSTALLATION PLACE
Location of Remote Controller
Select a suitable place for handling and determine the installation place of the controller
with the customer's acceptance.
Especially in case that a remote control thermostat is used, select the installation place in
consideration with the following points:
- where the average room temperature can be detected
- where the children can't touch
- where the thermostat is not exposed directly to the sun
- where the heat sources is not near around
- where the thermostat is not affected with the outdoor air by opening and closing doors
- where the air from the air conditioner is directly discharged
- in case of installing the wireless remote control switch onto the wall, keep a distance more
than 30 cm from the power line.
NOTE:
For extension of the connection cable (2-core) between the units in case of simultaneous
operation of multiple units, use the control cable (field-supplied) or the extension cable
(optional accessory).
When connecting wires, cut the remote control cable at the middle, connect the wires by
soldering and insulate them.
For one remote controller, the maximum total length of the cable (including the signal wire
between units) is 30 m when using 0.3 mm² cable and 500 m when using the cable thicker
than 0.75 mm².
