Group Control Operation - Mitsubishi Electric Mr.SLIM PC-2GAKD Technical & Service Manual

9-4. GROUP CONTROL OPERATION

(COLLECTIVE OPERATION AND CONTROL OF MULTIPLE REFRIGERANT SYSTEMS (2 to 16))
Group control can be operated by using MAC-397IF-E.
The setting of wired remote controller is subject to variation according to the function of the indoor unit.
(for mode operation, setting temperature, fan step, air direction)
The display of remote controller and operation of the indoor unit might be different.
Neither the test run nor the function setting can be done by MA remote controller connected with MAC-397IF-E.
1.Connecting the MA& CONTACT TERMINAL Interface to the Indoor Unit
• Connect the interface unit and the indoor control board using the connecting cable that came with the interface.
• Extending or shortening the connecting cable that comes out of the interface may cause it to malfunction. Also,
keep the connecting cable as far as possible from the electrical wires and ground wire. Do not bundle them together.
INDOOR
Indoor control board
2.Connecting the remote control interface with each system
• Replace the interface unit mounting cord clamp with a supplied mounting cord clamp based on the thickness of the
connecting cable used for each system.
Mounting screws (black) 3.5 o 12
Connecting cable for each system
• The cables connected to the Indoor unit should be mounted on or near the indoor unit.
If the connecting cable is not securely mounted, the connector may detach, break, or malfunction.
Mounting cord clamp
• Set the interface dip switch (SW500–502) settings before turning on the power.
• If the interface dip switch (SW500–502) settings are not set correctly, the system will not function properly.
CN105
or
CN92
Connect the connecting cable that comes with the
interface unit to the connector
CN105 or CN92 on the indoor control board.
(For details on each system, see the relevant instruction manual.)
Electrical wire mounting
bracket
Mounting screws 4 o 16
Interface unit mounting cord clamp or mounting
cord clamps
50
Mounting screws 4 o 10
Mounting cord clamp