Mitsubishi Electric MAC-497IF-E Installation Manual page 5

4.1. Use as a Wired Remote Controller (Using the MA Remote Controller)
I Connecting the SYSTEM CONTROL Interface to MA remote controller
A room air conditioner can be operated with the wired remote control.
Interface unit
CN560
Make sure to wire and shield the cable so
that the customer does not contact it.
SW500
B A
● To connect with the MA remote controller, connect the MA remote control cable
TB580
SW502
● When more than one unit of room air conditioner is operated in a group, make a cross wire connection at TB580 with the MA
remote control cable .
● The MA remote controller can carry out simultaneous control of up to 16 sets of room air conditioners. SW580
CN560
● Up to two MA remote controllers can be connected in one group.
0
However, up to one can be connected when using PAR-CT0 MA.
● Wiring length from the interface at the refrigerant address "0" to the MA remote controller should be less than 10 m [33 ft.].
● To operate the room air conditioner in a group, make the total length of wiring for the MA remote controller less than 50 m [164 ft.].
Notes
• Be sure to set the "Auto Heating/Cooling Display
Setting" of the MA remote controller OFF before use.
* For details on the "Auto Heating/Cooling Display
Setting", refer to the MA remote controller instruction
manual.
* When the "Auto Heating/Cooling Display Setting" is
ON, the remote controller display may differ from the
actual operating status of the unit.
• A test run cannot be initiated using the test run switch
on the MA remote controller.
• Group control with CITY MULTI is unable.
–
Indoor unit
TB580
1
2
Remote control cable
2
Note
For PAR-CT0 MAA, only one MA remote
controller can be connected to an interface unit.
For the other models, up to two MA remote
controllers can be connected simultaneously.
with TB580. (It is unpolarized.)
Group control
Outdoor unit Outdoor unit
Indoor unit Indoor unit
Interface unit – Interface unit
(Refrigerant (Refrigerant
address"0") address"1")
Notes
• Set a different refrigerant address for each
room air conditioner even when a MULTI
MA remote
controller
type unit is connected.
• When MAC-497IF-E and MAC-397IF-E
are in one group, please set the refrigerant
address "0" to MAC-497IF-E.
MA remote controller
Multi outdoor unit
Indoor unit
– Interface unit – Interface unit
(Refrigerant (Refrigerant
address"2") address"3")
–
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