BEFORE INSTALLATION
Safety precautions
Keep this installation manual together with the user’s manual in a handy place so that you can nd it whenever you need to
see it after reading this manual thoroughly.
Make sure to read the following safety precautions carefully before installation.
Make sure to observe the cautions specied in this manual.
Conduct a test run of the unit after installation and then explain all system functions to the owner.
The indications and meanings are as shown below.
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 (to installer/user) or
property damage.
SEVERE WARNING SIGNS
Do not install the unit by yourself. Incorrect installation of the unit could cause injury due to re, electric shock and water
leakage or from the unit falling. Consult a dealer or a qualied installer.
Place a grille over the air inlet to prevent birds nesting inside.
Do not attempt to repair, move, modify or reinstall the unit on your own. Make sure that these installations are carried out
by qualied personnel to avoid electric shock or re.
Check if the voltage and the frequency of the main power supply are required for the unit to be installed and check the
connection.
The electric work must be done by service agent or similarly qualied person according to national wiring regulations
and use only rated cable. If the capacity of the electric work is not properly completed, electric shock or re may occur.
Make sure the air intake is located far from an exhaust port of a burner. It may cause oxygen shortage.
Ground the unit. Do not connect the ground to a gas pipe, water pipe, lighting rod or telephone grounding. Defective
grounding could cause electric shock.
Do not leave electrical connections loose, to do so may cause sparking, heat build up or electrical shock.
Install separate MCCB and ELB when installing the power cable. If you do not install the MCCB and ELB, electric shock or
re may occur.
If the power plug is damaged, replace it by the manufacturer or qualied personnel to avoid the risk.
Disconnect the circuit breaker when you don’t use the product for a long period of time to save energy.
Do not install the electrical cables under tension; doing so may lead to electrical disconnection and attendant problems.
Disconnect the electrical supply before carrying out repairs.
Do not pull the electric wire or touch the power plug with wet hands.
Installers are required to read the general information carefully for safety.
Do not put the product near dangerous substances to prevent re, explosion or injury and do not expose the product to
direct sunlight.
Avoid the use of an extension cord and do not share the power outlet with other appliances. Incomplete connection,
defective insulation or exceeding the permissible current may cause electric shock or re.
Make sure to turn o the main power when setting up the product’s electric circuit or power cords.There is electric shock.
The product should be installed in accordance with the National Electrical regulations.
Ensure that the national safety code requirements have been followed for the main supply circuit. Ensure that a properly
sized and connected ground wire is in place.
ENGLISH-3
01 BEFORE INSTALLATION
ERV_IM_EN_DB68-05252A-02.indd 3 2016-05-27 오전 11:26:39
