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safety information
SAFETY INFORMATION
Before installing an air conditioner, please read this manual thoroughly to ensure that you know how to
safely and efficiently install a new appliance.
DVM PLUS III air conditioner uses R410A refrigerant.
- When using R410A, moisture or foreign substances may affect the capacity and reliability of the product.
Safety precautions must be taken when installing the refrigerant pipe.
- The designing pressure of the system is 4.1MPa(594.6psi). Select appropriate material and thickness according
to the regulations.
- R410A is a quasi-azeotrope of two refrigerants.
Make sure to charge with liquid phase when filling refrigerant.
If you charge gaseous refrigerant, it may affect the capacity and reliability of the product as a result of change
formation of the refrigerant.
Connect the indoor units for R410A refrigerant. Check whether the indoor units can be connected with the
product's catalogue. (When incorrect indoor units are connected, they cannot operate normally.)
SEVERE WARNING SIGNS
If you don't follow the safety precautions, you may get the risk of serious wound or death.
The installation must be done by the manufacturer or its service agent or a
qualified person in order to avoid a hazard.
• Installation by an unqualified person may cause a water leakage, electric shock or fire and
so on.
The electric work must be done by service agent or qualified persons according to
national wiring regulations and use only rated cable.
• Use certified power cable in the market suggested here and do electric work according
to installation manual otherwise, electric shock or fire may occur.
Install the outdoor unit correctly according to the installation manual.
• An incorrect installation may cause a water leakage, electric shock or fire and so on.
Manufacturer is not responsible for accidents due to incorrect installation.
When installing the unit in a small room, take measures in order to keep the
refrigerant concentration from exceeding allowable safety limits in the event
of a refrigerant leak.
• Excessive refrigerant concentration in a closed room can lead to oxygen deficiency.
Use certified parts in the market and supplied parts from the factory.
• All wiring, components and materials to be procured on the site must comply with the
applicable local and national codes. If you don't use the certified parts and tools, it can
cause trouble to the air conditioner and bring into injury.
Install the outdoor unit on a hard and even place that can support its weight.
• If the place cannot support its weight, the outdoor unit may fall down and it may cause injury.
Fix the outdoor unit securely on foundation to resist strong wind or
earthquake.
• If the outdoor unit is not properly fixed, it turns over and accidents may occur.
Fix power cable on fixture of outdoor unit securely not to be pulled out by
external force.
• If fixing is incomplete, it can cause trouble with a heat generation, electric shock or fire
and so on.
02_ safety information
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