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3
Example of System Configuration
Signal
receiving unit
Central
controller
For use with
transmission cabling
Power supply unit
1 Wiring from signal receiving unit.
· Connected to MA remote controller wiring terminal block (TB15) on the indoor unit.
2 With group operation (group 3 and group 5 above).
· After wiring the MA remote controller wiring terminal block (TB15) on the group operation indoor unit, connect to the indoor unit
with the lowest address within the group.
NOTE: With group operation with a different cooling system, wire only the
MA remote controller wiring terminal block (TB15). Do not wire the indoor/outdoor transmission terminal block (TB15).
3 The photo-electric adapter and the MA remote controller (PAR-20MAA) may be used together (group 5 above).
· Set the MA remote controller as "Main", and the photo-electric adapter as "Sub".
∗ See the installation manual supplied with the outdoor unit for details of setting up indoor (IC) and outdoor (OC) units.
∗ See the relevant equipment manual for details of setting up the central controller and transmission line power supply unit.
4
Setting the Pair Number & Main/Sub Switch
Setting pair number of the wireless remote controller and the Signal Receiving Unit.
Set switch position of the wireless remote controller and the Signal Receiving Unit are as follows.
Set the Main/Sub switch to "Sub" when using with the MA remote controller (PAR-20MAA).
PAR-FA31MA
Pair No. of receiver
matches that of re-
mote controller.
Main/Sub switch
(Factory setting
"main")
Signal Receiving Unit
(Externals removing the cover)
(1) Change the pair number switch to set the pair number.
1 Pair number
To fix the Signal Receiving Unit which operates from the wireless remote controller.
10 kinds of setting (0 - 9) are available for the wireless remote controller and Signal Receiving Unit.
Adapt a pair number to the using wireless remote controller.
Central management
transmission line
OC
51
TB7
TB3
OC
54
TB7
TB3
1 2
3
Seal
0
Pair number switch
(Factory setting "0")
Indoor and outdoor
transmission lines
Group 1
Group 2
IC
IC
01
02
TB5
TB15
TB5
TB15
(Main)
(Main)
IC
IC
06
05
TB5
TB15
TB5
TB15
MA
(Main)
Group 5
Adjuster switch
Set the switch to adjustment
on trial run.
(Factory setting "Normal")
0
MA remote controller cable
Group 3
IC
03
TB5
TB15
(Main)
IC
04
TB5
TB15
(Sub)
Reset
After refiling batteries.
Press the reset button.
Nrm Set
wireless remote controller
(Externals removing the back lid)
Pair number switch
(Factory setting "0" )
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