– 7 –
GB
(3) Up to two remote controllers can be connected to one group
• When two remote controllers are connected to one group, always set the Main remote controller
and Sub remote controller.
• When only one remote controller is connected to one group, set it as the Main controller. When
two remote controllers are connected to one group, set the Main remote controller and Sub
remote controller. (For a description of how to set the Main/Sub switch, see step 5 in section
.)
NOTE: When using this Simple MA remote controller in combination with other MA remote
controllers, be sure to follow the compatibility rules below.
(4) Total length of remote controller wiring
• The Simple MA Remote Controller can be wired up to 500 m (1640 ft).
This remote controller is for the wall installation. It can be installed either in the switch box or directly
on the wall. When performing direct wall installation, wires can be thread through either back or top of
the remote controller.
(1) Selecting an installation site
Install the remote controller (switch box) on the site where the following conditions are met.
(a) A flat surface
(b) A place where the remote controller can measure the accurate indoor temperature
Sensors to monitor indoor temperature are on the indoor unit and on the remote controller. When
the room temperature is monitored with the sensor on the remote controller, the built-in sensor on
the Main remote controller monitors the room temperature. When using the sensor on the remote
controller, follow the instructions below.
Indoor unit function
Main remote
controller
Sub remote
controller
Compatibility
Models applicable for
AUTO (dual set point)
mode
This Simple MA
remote controller
This Simple MA
remote controller
Compatible, and AUTO (dual set
point) mode can be used depending
on the indoor units to be connected.
Other MA remote
controllers
This Simple MA
remote controller
Compatible, but AUTO (dual set
point) mode cannot be used.
This Simple MA
remote controller
Other MA remote
controllers
Incompatible
Models not applicable for
AUTO (dual set point)
mode
Combination with all of the above
Compatible
CAUTION - The wiring cannot be connected to TB5 of the indoor unit of the same
refrigerant system. If so connected, the system will not operate normally.
- Remote controllers cannot be wired together. Only one wire can be connected
to the remote controller terminal block.
- When connecting to TB5, connect up to two wires of the same size to one
terminal block.
a
Outdoor unit
b
Indoor unit
d
Main Remote Controller
e
Sub Remote Controller
5
How To Install
5
How To Install
d
d
TB4
TB4
TB4
TB4
TB4
TB4
TB1
TB1
TB1
TB1
TB5
TB5
TB5
TB5
TB5
TB5
a
b
b
b
b
b
b
d
e
a
a
a
Refrigerant
address = 00
Refrigerant
address = 00
Refrigerant
address = 01
Refrigerant
address = 00
Simultaneous twin
Standard 1:1
Simultaneous twin
Standard 1:1
WT06592X01.book Page 7 Monday, April 16, 2012 10:38 AM
