TCL ERA YA11I Service Manual page 48

 It is necessary to comply with the provisions of gas-related national laws and regulations.
It is necessary to clear away the refrigerant in the system when maintaining or scrapping an air

conditioner.
When filling the combustible refrigerant, any of your rude operations may cause serious injury or

injuries to human body or bodies and object or objects.
A leak test must be done after the installation is completed.

It is a must to do the safety inspection before maintaining or repairing an air conditioner using

combustible refrigerant in order to ensure that the fire risk is reduced to minimum.
11.1.2 Installation Safety
11.1.2.1 Installation Safety Principles
Site Safety
Open Flames Prohibited
Operation Safety
Mind Static Electricity Must wear protective clothing and anti-static gloves Don`t use mobile phone
Installation Safety
 Refrigerant Leak Detector
 Appropriate Installation
Location
Caution:
The installation should be in a well-ventilated condition location.

When you installing or maintaining an air conditioner using Refrigerant R32/R290, the location

should be free fire from open or any other goods temperature higher than 370℃ for R290/548℃
for R32 which easily produces open fire include welding, smoking, drying oven.
When installing an air conditioner of R32/R290, it is necessary to take appropriate anti-static

measures such as wear anti-static clothing and gloves.
It is necessary to choose the location for installation or maintenance where in the air inlets and

outlets of the indoor and outdoor units should be not surrounded by obstacles or close to any heat
source or combustible and/or explosive environment.
If the indoor unit suffers refrigerant leak during the installation, it is necessary to immediately turn

off the valve of the outdoor unit and all the personnel should go out till the refrigerant leaks
completely for 15 minutes. If the product is damaged, it is a must to carry such damaged product
back to the maintenance station and it is prohibited to weld the refrigerant pipe or conduct other
operations on the user's site.
It is necessary to choose the place where the inlet and outlet air of the indoor unit is even.

It is necessary to avoid the places where there are other electrical products, power switch plugs

and sockets, kitchen cabinet, bed, sofa and other valuables right under the lines on two sides of
the indoor unit.
Open Flames Prohibited
The left picture is the schematic diagram of a refrigerant leak
detector.
Ventilation Necessary
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