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[6-2 MA and ME Remote Controller Functions and Specifications ]
6-2
MA and ME Remote Controller Functions and Specifications
There are two types of remote controllers: ME remote controller, which is connected on the indoor-outdoor transmission
line, and MA remote controller, which is connected to each indoor unit.
6-2-1
Function/Specification Comparison
Functions/specifications
Remote controller address settings Not required
Indoor/outdoor unit address set-
tings
Wiring method
Remote controller connection
Interlock with the ventilation unit
Changes to be made upon group-
ing change
*1. MA remote controller refers to MA remote controller (PAR-20MAU, PAR-21MAAU, PAR-30MAAU), Simple MA Remote
Controller, and wireless remote controller.
*2. Either the MA remote controller or the ME remote controller can be connected when a group operation of units in a sys-
tem with multiple outdoor units is conducted or when a system controller is connected.
*3. ME remote controller refers to ME remote controller and Simple ME Remote Controller.
*4. Depending on the system configuration, some systems with one outdoor unit may require address settings.
6-2-2
Local Remote Controller Selection Tips
MA remote controller and ME remote controller have different functions and characteristics. Choose the one that better suits
the requirements of a given system. Use the following criteria as a reference.
MA remote controller
There is little likelihood of system expansion and group-
ing changes.
Grouping (floor plan) has been set at the time of instal-
lation.
*1. ME remote controller and MA remote controller cannot both be connected to the same group of indoor units.
*2. A system controller must be connected to a system to which both MA remote controller and ME remote controller are con-
nected.
<System with MA remote controller>
Outdoor unit
BC controller
MA remote controller
HWE13080
MA remote controller
Not required (required only by a system
with one outdoor unit)
Non-polarized 2-core cable
∗To perform a group operation, daisy-
chain the indoor units using non-polar-
ized 2-core cables.
Connectable to any indoor unit in the
group
Each indoor unit can individually be in-
terlocked with a ventilation unit. (Set up
via remote controller in the group.)
MA remote controller wiring between in-
door units requires rewiring.
*1*2
M-NET transmission line
(indoor/outdoor transmission line)
group
group
Indoor unit
*1*2
Required
Required
*4
Non-polarized 2-core cable
Connectable anywhere on the indoor-out-
door transmission line
Each indoor unit can individually be inter-
locked with a ventilation unit. (Set up via
remote controller.)
Either the indoor unit address and remote
controller address must both be changed,
or the registration information must be
changed via MELANS.
ME remote controller
There is a likelihood of centralized installation of remote
controllers, system expansion, and grouping changes.
Grouping (floor plan) has not been set at the time of in-
stallation.
To connect the remote controller directly to the OA pro-
cessing unit.
<System with ME remote controllers>
Outdoor unit
BC controller
ME remote controller
- 150 -
*2*3
ME remote controller
*1*2
M-NET transmission line
(indoor/outdoor transmission line)
group
group
Indoor unit
GB
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