Mitsubishi Electric PAC-YT53CRAU Manuel D'installation page 7

(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
.)
How To Install
5
NOTE: When using this Simple MA remote controller in combination with other MA remote
controllers, be sure to follow the compatibility rules below.
Indoor unit function
Models applicable for
AUTO (dual set point) and
SETBACK mode
Models not applicable for
AUTO (dual set point) and
SETBACK mode
(4) Total length of remote controller wiring
• The Simple MA Remote Controller can be wired up to 200 m (656-1/8 ft).
Procure 0.75 ~ 1.25 mm
CAUTION - The wiring cannot be connected to TB5 of the indoor unit of the same
- Remote controllers cannot be wired together. Only one wire can be connected
- When connecting to TB5, connect up to two wires of the same size to one
Simultaneous twin
Refrigerant
a
address = 00
TB1
TB4 TB4
b b
TB5 TB5
d
5 How To Install
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.
Main remote
controller
This Simple MA
remote controller
Other MA remote
controllers
This Simple MA
remote controller
Combination with all of the above
(16 ~ 28 AWG), 2-core cable at the installation site.
²
refrigerant system. If so connected, the system will not operate normally.
to the remote controller terminal block.
terminal block.
Standard 1:1 Simultaneous twin
Refrigerant
a a
address = 00
TB1 TB1
TB4 TB4
b b
TB5 TB5
d
Sub remote Compatibility
controller
This Simple MA Compatible, and AUTO (dual set
remote controller point) and SETBACK mode can be
used depending on the indoor units
to be connected.
This Simple MA Compatible, but AUTO (dual set
remote controller point) and SETBACK mode cannot
be used.
Other MA remote Incompatible
controllers
Compatible
Standard 1:1
Refrigerant
a
address = 01
TB1
TB4 TB4
b b
TB5 TB5
d
– 7 –
Refrigerant
address = 00
a Outdoor unit
b Indoor unit
d Main Remote Controller
e Sub Remote Controller
e