ENGLISH-3
01 BEFORE INSTALLATION
Safety precautions
Before installing an air conditioner, please read this manual thoroughly to ensure that you know how to safely and eciently
install a new appliance.
DVM S WATER-GEO air conditioner uses R-410A refrigerant.
- When using R-410A, moisture or foreign substances may aect the capacity and reliability of the product. Safety
precautions must be taken when installing the refrigerant pipe.
- The designed maximum pressure of the system is 4.1MPa. Select appropriate material and thickness according to the
regulations.
- R-410A is a quasi-azeotrope of two refrigerants. Make sure to charge with liquid phase when lling refrigerant. (If you
charge vapor refrigerant, it may aect the capacity and reliability of the product as a result of a change in the blend of
the refrigerant.)
You must connect the indoor units for R-410A refrigerant. When indoor units for R-22 refrigerant are connected, they
cannot operate normally.
DVM S WATER-GEO air conditioner uses plate type heat exchanger, and extra concern must be taken regarding on
selecting the installation location since it requires water pipe installation.
For product protection, it is recommended to adopt closed circuit cooling tower or indirect water pipe circuit structure for
DVM S WATER-GEO air conditioner.
Before the installation, read the ‘Severe warning signs’ and the ‘Caution signs’ thoroughly.
Manufacturer is not responsible for accidents due to incorrect installation. (Installer will be responsible for any service charges
that may occur.)
Product is irrelevant to any installation or performance problem of the cooling tower and water pipes.
Anti-freeze must be used when temperature of water inlet for heating is below 10°C or ground heat source is used.
WARNING
Hazards or unsafe practices that may result in severe personal injury or death.
CAUTION
Hazards or unsafe practices that may result in minor personal injury or property damage.
SEVERE WARNING SIGNS
Installation must be requested to a qualied installer.
If the user installs a product improperly on their own, it may cause water leakage, electric shock or re.
Install the unit in a place where it is strong enough to hold the product weight.
When installed in place where it is not strong enough to withhold the product weight, the unit could fall and cause injury.
Electric work must be done by qualied persons, complying the national wiring regulations and installed according to
the instruction stated in the installation manual with leased circuit.
Capacity shortage on the leased circuit and improper installation may cause electric shock or re.
Use specied wires to connect indoor and outdoor units, and make sure the wire is rmly xed.
Improper connection may cause re.
BEFORE INSTALLATION
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