Table Of Contents; Safety Precautions - Mitsubishi Electric Mr. SLIM PCA-M50-KA Installation Manual

Contents
1. Safety precautions .....................................................................................3
2. Installation location ....................................................................................4
3. Installing the indoor unit ............................................................................5
4. Installing the refrigerant piping .................................................................. 7
Note:
If you need any information for the other remote controller, please refer to either the installation manual or initial setting manual which are included in these
boxes.

1. Safety precautions

WARNING
Read the OPERATION MANUAL carefully before operation.
Service personnel are required to carefully read the OPERATION MANUAL and INSTALLATION MANUAL before operation.
Further information is available in the OPERATION MANUAL, INSTALLATION MANUAL, and the like.
Symbols used in the text
Warning:
Describes precautions that should be observed to prevent danger of injury or
death to the user.
Caution:
Describes precautions that should be observed to prevent damage to the unit.
Warning:
Warning:
unit.
tion.
rectly installed unit may fall down and cause damage or injuries.
be taken to prevent the refrigerant concentration in the room from exceed
ing the safety limit in the event of refrigerant leakage. Should the refrigerant
of oxygen in the room may result.
tion sources) away from the location where installation, repair, and other air
conditioner work will be performed.
local regulations and the instructions given in this manual.
securely with no tension applied on the terminal connections. Also, never
Do not mix it with any other refrigerant and do not allow air to remain in the
lines.
If air is mixed with the refrigerant, then it can be the cause of abnormal high
pressure in the refrigerant line, and may result in an explosion and other
This mark is for R32 refrigerant only. Refrigerant type is written on nameplate of outdoor unit.
5. Drainage piping work .................................................................................8
6. Electrical work ...........................................................................................8
7. Test run ....................................................................................................14
8. Easy maintenance function ..................................................................... 18
Symbols used in the illustrations
: Indicates a part which must be grounded.
: Be sure not to do.
After installation work has been completed, explain the "Safety Precautions," use, and
maintenance of the unit to the customer according to the information in the Operation
Manual and perform the test run to ensure normal operation. Both the Installation
Manual and Operation Manual must be given to the user for keeping. These manuals
must be passed on to subsequent users.
mechanical failure or system malfunction or unit breakdown. In the worst
case, this could lead to a serious impediment to securing product safety.
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concern
ing use of the appliance by a person responsible for their safety.
ance.
portable cooking range, poisonous gases will be released.
those recommended by the manufacturer.
operating electric heater).
pipes.
When performing the work in a closed room, small room, or similar location,
make sure that there are no refrigerant leaks before performing the work.
If refrigerant leaks and accumulates, it may ignite or poisonous gases may
be released.
3