Haier 1U25YAMFRA Installation Manual page 7

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Installation Instructions
1.
Favorable ventilation shall be maintained at the place of installation (doors and windows are opened).
2.
Open fire or high-temperature heat source (including welding, smoking and oven) higher than 548
allowed within the scope of flammable refrigerant.
3.
Anti-static measures shall be taken, such as the wearing of cotton clothes and cotton gloves.
4.
The place of installation shall be convenient for installation or maintenance and cannot be adjacent to heat
source and flammable and combustible environment.
5.
In case of refrigerant leakage of the indoor unit during installation, the valve of the outdoor unit shall be
closed immediately, and windows shall be opened, and all the personnel shall be evacuated. After the leakage of
refrigerant is handled, the indoor environment shall be subject to concentration detection. Further handling is not
allowed until the safety level is reached.
6.
In case the product is damaged, it must be delivered to the maintenance point. Welding of refrigerant
pipelines at the user's site is not allowed.
7.
The installation position of air conditioner shall be convenient for installation or maintenance. Barriers shall
be avoided around the air inlet/outlet of the indoor/outdoor unit, and the electrical appliance, power switches,
sockets, valuables, and high-temperature products within the scope of both sidelines of the indoor unit shall be
avoided.
No fire source around the
place of installation
Electrical Safety Requirements
Note:
1.
The surrounding conditions (ambient temperature, direct sunlight, and rainwater) shall be noticed during
electrical wiring, with effective protective measures being taken.
2.
Copper wire cable in line with local standards shall be used as the power line and connector wire.
3.
Both the indoor unit and outdoor unit shall be reliably earthed.
4.
Wiring for the outdoor unit shall be made first and then the indoor unit. The air conditioner can only be
powered on after wiring and pipe connection.
5.
The dedicated branch circuit must be used, and leakage protector with sufficient capacity must be installed.
Qualification Requirements of Installer
Relevant qualification certificate must be obtained as per national laws and regulations.
Indoor Unit Installation
1.
Fixation of wall panel and piping layout
In case of left/right water pipe connection for the indoor unit, or in case the evaporator interface of the indoor
unit and the horn mouth of the connecting piping cannot be extended to the outdoor side for installation, the
connector pipes shall be connected to the evaporator piping interface of the indoor unit in the process of horn
mouth.
2.
Piping layout
During layout of connecting pipes, drain hose and connector wires, the drain hose and connecting wire shall
be placed at the bottom and top respectively. The power line cannot be twined with the connector wire. The drain
pipes (especially inside the room and machine) must be ventilated with thermal insulation materials.
Cotton clothes
Read technical manual
Read operator' manual
5
BEWARE
Anti-static gloves
ELECTROSTATICS
Operator' manual;operating instructions
is not
Goggles

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