Mitsubishi Electric MAC-397IF Manuel D'installation page 6

4.2. Use as a Wired Remote Control (Using the MA Remote Controller)
Note:
1. Be sure the Auto Heating/Cooling Display Setting on the MA remote controller is set to OFF before use.
• For information on how to set the Auto/Heating Cooling Display Setting, see the MA remote controller instruction
manual.
• The actual operating status of the unit may differ from what is shown on the remote controller display.
2. A test run cannot be initiated using the test run switch on the MA remote controller.
3. The horizontal panes on the unit cannot be operated using the louver switch.
4. A timer set using a wireless remote control will not be displayed on the MA remote controller.
5. If operations are performed using the MA remote controller while a timer set using a wireless remote control is
running, the timer operation will be canceled.
6. The range of room temperature indication is between 10°C and 38°C.
The MSZ-GA Series and MSZ-FA Series have three fan speed settings (High, Med., Low).
RAC
Dip switch settings
I SW500 does not have to be set.
I SW501:
SW501- No. 1–4: Refrigerant address
• Set this switch when multiple indoor units (and remote control interfaces) are connected to a single MA remote controller.
• Always start the refrigerant address at "0".
• Even when connecting multiple outdoor RAC units, set a different refrigerant address for each indoor unit.
1
3
4
Refrigerant
adress "0"
1 Outdoor unit
2 RAC multiple outdoor units
3 Indoor unit
4 Interface
5
5 MA remote controller
SW501- No. 5–6
No. 5 and 6 should normally be set to OFF.
ON
Under the following conditions, however, they should be switched to ON.
5 6
Only turn this ON when the indoor units in the same group include models where the MA remote controller and
indoor unit are directly connected.
Set them to ON only when using the room temperature sensor installed in the MA remote controller.
* This can be switched when an accurate room temperature cannot be detected by the air conditioner unit.
MSZ-GA and MSZ-FA Series models do not have a room temperature sensor on their MA remote controllers.
(Some RAC models will not allow the use of the MA remote controller room temperature sensor.)
6
Interface unit 1
CN560
1 2
3 3
4 4
Refrigerant Refrigerant
adress "1" adress "2"
TB580
1
Remote control cord that came with
the MA remote controller
2
2
A
B
3
4
Refrigerant
adress "3"
MA remote controller
(PAR-21MAA)
* PAR-20MAA cannot be used
with this interface.
Refrigerant
address
ON
0
1 2 3 4
ON
1
1 2 3 4
ON
2
↓
1 2 3 4
ON
15
1 2 3 4