Inspect Shipment; Safety Precautions; Before Installation And Electric Work - Mitsubishi Electric MVZ-A12 Manuel D'installation

2. Inspect shipment

These air handlers are completely factory assembled,
and all components are performance tested. Each
unit consists of a blower assembly, refrigerant coil
and controls in an insulated, galvanized steel factory
enclosure. Knockouts are provided for electrical

3. Safety precautions

3.1. Before installation and electric work

Before installing the unit, make sure you read all the "Safety
precautions".
The "Safety precautions" provide very important points
regarding safety. Make sure you follow them.
Symbols used in the text
Warning:
Describes precautions that should be observed to prevent
danger of injury or death to the user
Caution:
Describes precautions that should be observed to prevent
damage to the unit
Warning:
Warning:
The unit must be installed by an authorized Dealer or
properly trained technician.
Improper installation by the user may result in water
Install the air unit in a place that can withstand its
weight.
Inadequate strength may cause the unit to fall down,
resulting in injuries.
connections securely so that the outside force of the
cable is not applied to the terminals.
Inadequate connection and fastening may generate heat
Prepare for typhoons, hurricanes, earthquakes etc. and
Improper installation may cause the unit to topple and
result in injury.
Never repair the unit. If the air conditioner must be
repaired, consult the dealer.
If the unit is repaired improperly, water leakage, electric
Improper handling may result in injury.
When handling the product, always wear protective
equipment.
EG: Gloves, full arm protection, and safety glasses.
Improper handling may result in injury.
Install the air conditioner according to this Installation
If the unit is installed improperly, water leakage, electric
4
carefully inspect it for possible damage. Take special
care to examine the unit if the carton is damaged. If
damage is found, it should be noted on the carrier's
seller within 5 days.
Have all electric work done by a licensed electrician
according the "National Electrical code and local
Electrical codes" and "Interior Wire Regulations" and
the instructions given in this manual and always use a
special circuit.
If the power source capacity is inadequate or electric work
Keep the electric parts away from water (washing water
etc.).
When cleaning the Heat Exchanger and Drain Pan,
water proof covering.
When installing and moving the air conditioner to
another site, do not charge it with a refrigerant different
If a different refrigerant or air is mixed with the original
refrigerant, the refrigerant cycle may malfunction and the
unit may be damaged.
When moving and reinstalling the air conditioner,
consult the dealer or an authorized technician.
If the air conditioner is installed improperly, water leakage,
Do not reconstruct or change the settings of the
protection devices.
If the pressure switch, thermal switch, or other protection
devices are shorted and operated forcibly, or parts other
explosion may result.
To dispose of this product, consult your dealer.
Do not use a leak detection additive.
Ask an authorized technician to install the accessories.
Improper installation by the user may result in water
If refrigerant gas leaks during installation work,
ventilate the room.
poisonous gases will be released.
Securely install the outdoor unit terminal cover (panel).
If the terminal cover (panel) is not installed properly, dust
shock may result.
If the air conditioner is installed in a small room,
measures must be taken to prevent the refrigerant
concentration from exceeding the safety limit even if
the refrigerant should leak.
Consult the dealer regarding the appropriate measures to
prevent the safety limit from being exceeded. Should the
refrigerant leak and cause the safety limit to be exceeded,
hazards due to lack of oxygen in the room could result.
.