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GB
This installation manual describes how to install the Simple MA Remote Controller for use with
Mitsubishi Building Air Conditioning System, direct expansion type CITY MULTI air conditioner indoor
units (“-A” type and later), and Mitsubishi Mr. SLIM packaged air conditioners.
Please be sure to read this installation manual and Instruction Book that are supplied with the Remote
Controller before proceeding with the installation. Failure to follow the instructions may result in
equipment damage.
For information on how to wire and install the air conditioning units, refer to the installation manual.
After the installation, hand over this manual to users.
• Read the following safety precautions prior to installation.
• Observe these precautions carefully to ensure safety.
• 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.
WARNING
1 Safety Precautions
WARNING
Indicates a risk of death or serious injury if you misuse the PAC-YT52CRA.
CAUTION
Indicates a risk of serious injury or structural damage if you misuse the
PAC-YT52CRA.
General 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.
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.
To reduce the risk of injury, keep children away while
installing, inspecting, or repairing the unit.
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.
CITY MULTI Control System
and Mitsubishi Mr. SLIM Air Conditioners
Simple MA Remote Controller PAC-YT52CRA
Installation Manual
WT06592X01
GB
For distribution to dealers and contractors
DFESINLPRGRRUTRSCTCDESW
WT06592X01.book Page 1 Monday, April 16, 2012 10:38 AM
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