Mitsubishi PAC-YT52CRA User Manual
ON
OFF
CITY MULTI Control System
and Mitsubishi Mr. SLIM Air Conditioners
Simple MA Remote Controller PAC-YT52CRA
Instruction Book
Safety precautions............................................................... 2
Names and functions of controller components .................. 4
Controller interface .......................................................... 4
Display............................................................................. 5
Basic operations.................................................................. 6
Operation mode............................................................... 6
Preset temperature.......................................................... 7
Fan speed........................................................................ 8
Vane ................................................................................ 8
Controller operation - Function settings .............................. 9
Temperature range restriction ......................................... 9
Operation lock setting.................................................... 10
Mode skip setting........................................................... 10
Backlight brightness setting........................................... 11
Specifications .................................................................... 12
Icon explanations
The square icons used in this manual indicate as follows.
Indicates settings that can be changed only while the
units are in operation.
Indicates settings that can be changed only while the
units are stopped.
Indicates functions that are not available when the
buttons are locked or the system is centrally controlled.
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Prior to use, thoroughly read the instructions in this manual to use the product correctly.
Retain for future reference.
Make sure that this manual and Installation Manual are passed on to any future users.
To ensure safety and proper operation of the remote controller, the remote controller should only be
installed by qualified personnel.
– 1 –
Safety precautions
Do not install the unit in a place where large amounts of
oil, steam, organic solvents, or corrosive gases, such
as sulfuric gas, are present or where acidic/alkaline
solutions or sprays are used frequently. These
substances can compromise the performance of the
unit or cause certain components of the unit to corrode,
which can result in electric shock, malfunctions,
smoke, or fire.
To reduce the risk of shorting, current leakage, electric
shock, malfunctions, smoke, or fire, do not wash the
controller with water or any other liquid.
To reduce the risk of electric shock, malfunctions,
smoke or fire, do not operate the switches/buttons or
touch other electrical parts with wet hands.
When alcohol sterilization is performed, ventilate the
air to remove the gas.
To reduce the risk of injury or electric shock, stop the
operation and switch off the power supply before
cleaning, maintaining, or inspecting the controller.
To reduce the risk of injury or electric shock, before
spraying a chemical around the controller, stop the
operation and cover the controller.
If any abnormality (e.g., burning smell) is noticed, stop
the operation, turn off the power switch, and consult
your dealer. Continuing the operation may result in
electric shock, malfunctions, or fire.
Properly install all required covers to keep moisture
and dust out of the controller. Dust accumulation and
water can cause electric shock, smoke, or fire.
To reduce the risk of damage to the controller, do not
directly spray insecticide or other flammable sprays on
the controller.
To reduce the risk of electric shock or malfunctions, do
not touch the touch panel, switches, or buttons with a
pointy or sharp object.
To reduce the risk of injury and electric shock, avoid
contact with sharp edges of certain parts.
To reduce the risk of injury, wear protective gear when
working on the controller.
Consult your dealer for the proper disposal of the
controller.
The controller should be repaired or moved only by
qualified personnel.
Do not disassemble or modify the controller.
Improper installation or repair may cause injury, electric
shock, or fire.
• Read the following safety precautions before using the controller.
• Observe these precautions carefully to ensure safety.
WARNING
CAUTION
Indicates a risk of death or serious injury if you misuse the PAC-YT52CRA.
Indicates a risk of serious injury or structural damage if you misuse the
PAC-YT52CRA.
• After reading this manual, provide this manual to end user for future reference.
• Keep this manual for future reference and refer to it as necessary. This manual should be made
available to those who repair or relocate the controller. Make sure that the manual is forwarded to
future end users.
GB
General precautions
WARNIN G
CAUTION
Precautions for moving or repairing the controller
WARNING
– 2 –
CAUTION
To reduce the risk of shorting, electric shock, fire, or
malfunction, do not touch the circuit board with tools or
with your hands, and do not allow dust to accumulate
on the circuit board.
To avoid damage to the unit, use appropriate tools to
install, inspect, or repair the unit.
To avoid discoloration, do not use benzene, thinner, or
chemical rag to clean the controller.
To clean the controller, wipe with a soft cloth soaked in
water with mild detergent, wipe off the detergent with a
wet cloth, and wipe off water with a dry cloth.
Additional precautions
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– 3 –
Names and functions of controller components
Backlit LCD
button (See Page 7.)
..
button (See Page 6.)
ON/OFF lamp
button
ON
OFF
button (See Page 7.)
button (See Page 8.)
* To set the functions that are not available on this controller (PAC-YT52CRA) such as Louver,
use MA remote controller or the centralized controller.
The lamp will light up in green when
turned on, and blink during startup
and when an error occurs.
Pressing this button starts and
stops the operation.
Controller interface
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– 4 –
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