Mitsubishi Electric MAC-333IF-E, Техническое руководство

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4
MAC-333IF-E
2 INSTALLATION OF INTERFACE UNIT
3 CONNECTION
(1) Connecting to the air conditioner
• The Interface unit should be placed in a location where the connecting cable (5-core) from the interface unit can reach the indoor unit.
• The device will not function properly if the connecting cable (5-core) is extended, so do not extend the connecting cable (5-core).
• Mount the interface unit securely to a pillar or a wall using 2 mounting screws .
Mounting the interface unit directly to a wall
40 mm
or more
Mounting the interface unit inside a ceiling
Pass the connecting cable (5-core) from the interface unit through this location. Store extra connecting cable (5-core) in the
duct work space behind the air conditioner.
If there is any slack in the connecting cable (5-core), use a fastener to keep the cable in place.
Mount the interface unit case to the
wall using the mounting screws.
Mounting screws
When the interface unit is mounted above
the indoor unit, the interface unit should be po-
sitioned 40 mm or more away from the unit to
ensure that the top grille can be removed.
When mounting the interface unit inside the ceiling or the
wall, install an access door to facilitate maintenance.
Interface unit
Cushioning
material
* When mounting the interface unit using a cushioning
material , be sure to mount the interface unit in a loca-
tion where it will not fall.
Mounting screws for
interface unit
● Before performing the following procedures, turn off the main power to the air conditioner.
● Connect the connecting cable (5-core) that comes with the interface unit to the connector CN105 (CN92) on the indoor control board in a room
air conditioner.
● Extending or severing the connecting cable (5-core) from the interface unit causes malfunction. Also, keep the connecting cable (5-core) as far
as possible away from the power supply cord and earth wire. Do not bundle those cables and wires together.
● To prevent the indoor control board from being damaged by static electricity, always remove your static electricity before starting work.
Room air conditioner
Indoor
control
board
Unsheathed part of the connecting cable
Make sure to wire and store the cable
where customers do not tamper with them .
Connect the connecting cable (5-core) from the interface
unit to the connector CN105 (CN92) on the indoor control
board in a room air conditioner.
Sheathed part of the
connecting cable
Interface unit
Connector
● The connecting cable (5-core) connected to a room air conditioner should be wired according to the room air conditioner installation manual.
● Securely fi x the connecting cable at the designated place. Failure to do so may cause an electric shock, fi re, or malfunction.
● The connecting cable (5-core) connected to a room air conditioner should be fi xed to the room air conditioner or its vicinity.
● If the mounting screw that comes with the room air conditioner does not fi t, replace the mounting screw with the one that comes with the
interface.
CN105
(CN92)
Cable
clamp
Cable mount
Connecting cable
(5-core)
Cable clamp
Mounting
screw
Mounting screw