Connecting The System Control Interface To A Room Air Conditioner; Connecting The System Control Interface With Each System (For Details On Each System, See The Relevant Instruction Manual.) - Mitsubishi Electric MAC-333IF-E Manual De Instalación

6. Connecting the SYSTEM CONTROL Interface to a room air conditioner

Connect the interface unit 1 and the indoor control board of a room air conditioner using the connecting cable (5-core) that comes with the interface
unit 1 .
Thin part of the connecting cable
Make sure to wire and shield the cable
Room air conditioner
so that the customer does not contact it.
Indoor
CN105
controller
(CN92)
board
Connect the connecting cable (5-core) that comes with
the interface unit 1 to the connector CN105 on the indoor
control board of a room air conditioner.
The 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 1
cause it to malfunction. Also, 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.
7. Connecting the SYSTEM CONTROL Interface with each system
(For details on each system, see the relevant instruction manual.)
Screw the mounting cord clamp 4 ~ 6 according to the thickness of the
connecting cable used for each system. Fasten the cable tie 8 as shown
in the figure to prevent undesirable movement of the connecting cable.
Screw 7
Connecting cable
for each system
Cable tie 8
Notes
• If the connecting cable is not securely mounted, the connector may come off, break, or
malfunction.
• The dip switch (SW500, SW502) and the rotary switch (SW501, SW510, SW580) on the
interface unit 1 do not operate if they are not set correctly.
Conduct the settings of the interface unit 1 dip switch (SW500, SW502) and rotary switch (SW501, SW510, SW580) before turning on the power.
Thick part of the
connecting cable
Mounting cord clamps 4 ~ 6
Interface unit 1
Connecting
connector
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 b .
Cable mount
Mounting
Screw b
cord clamp 5
Connecting cable
(5-core)
Warning
Securely fix the
connecting cable in
the designated place.
Failure to do so may
cause an electric shock,
fire, or malfunction.
Screw a
Mounting
cord clamp 5
5