Connecting The Ma Interface To The Indoor Unit; Connecting The Ma Interface With Each System - Mitsubishi Electric MAC-497IF-E Installation Manual

3. Connecting the MA Interface to Indoor Unit
● C onnect the interface unit
comes with the interface unit
Make sure to wire and shield the cable so that the customer does not contact it.
Thin part of the connecting cable
Room air conditioner
Indoor
CN105
controller
(CN92)
board
Connect the connecting cable (5-core) that
comes with the interface unit
CN105 on the indoor control board of a room air
conditioner.
● T he connecting cable (5-core) connected to a room air conditioner should be wired according to the room air conditioner
installation manual.
Notes
• Extending or shortening the connecting cable (5-core) that comes out of the interface unit
keep the connecting cable (5-core) as far as possible away from the electrical wires and ground wire. Do not bundle them
together.
• To prevent the board from being damaged by static electricity, always remove static electricity before starting work.

4. Connecting the MA Interface with each system

● F asten the cable tie as shown in the figure to prevent
™
undesirable movement of the connecting cable.
Connecting cable for
MA remote controller
Note
When using a thick connecting cable or two connecting
cables, you can broaden the hole on the interface unit
using a nipper.
After broadening the hole, use a file to rub the edge on the
hole to prevent the cables from being damaged.
Notes
• If the connecting cable is not securely mounted, the connector may come off, break, or malfunction.
• The dip switch (SW500) and the rotary switch (SW580) on the interface unit
● C onduct the settings of the interface unit
4
and the indoor control board of a room air conditioner using the connecting cable (5-core) that
–
.
–
to the connector
–
™
Cable tie
dip switch (SW500) and rotary switch (SW580) before turning on the power.
–
Interface unit
Connecting
connector
Thick part of the
connecting cable
(For details on each system, see the relevant instruction manual.)
● The connecting cable (5-core) connected to a room air
conditioner should be mounted at the room air conditioner
or its vicinity.
If the screw for the cable mount of the room air conditioner
cannot be used, replace with the screw for mounting
Mounting
—
cord clamp
do not operate if they are not set correctly.
–
–
Warning
Securely fix the
connecting cable in
the designated place.
Failure to do so may
cause an electric shock,
fire, or malfunction.
cause it to malfunction. Also,
–
›
Cable mount
›
Screw
Connecting cable
(5-core)
.