Inspect Shipment; Safety Precautions; Before Installation And Electric Work - Mitsubishi Electric M Series Installation Manual

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
wiring entrance. Check the unit rating plate to con rm
speci cations are as ordered. Upon receipt of equipment,

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:
Carefully read the labels af xed to the main unit.
Warning:
The unit must be installed by an authorized Dealer or
properly trained technician.
Improper installation by the user may result in water
leakage, electric shock, or re.
Install the air unit in a place that can withstand its
weight.
Inadequate strength may cause the unit to fall down,
resulting in injuries.
Use the speci ed cables for wiring. Make the
connections securely so that the outside force of the
cable is not applied to the terminals.
Inadequate connection and fastening may generate heat
and cause a re. Provide strain relief to wiring.
Prepare for typhoons, hurricanes, earthquakes etc. and
install the unit at the speci ed place.
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
shock, or re may result.
Do no touch the heat exchanger ns.
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
Manual.
If the unit is installed improperly, water leakage, electric
shock, or re may result.
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
is performed improperly, electric shock and re may result.
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
freight bill. Damage claims should be led with the carrier
immediately. Claims of shortages should be led with the
seller within 5 days.
Keep the electric parts away from water (washing water
etc.).
It might result in electric shock, catching re or smoke
When cleaning the Heat Exchanger and Drain Pan,
ensure the Control Box, Motor and LEV remain dry,
water proof covering.
When installing and moving the air conditioner to
another site, do not charge it with a refrigerant different
from the refrigerant speci ed on the unit.
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,
electric shock, or re may result.
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
than those speci ed by Mitsubishi Electric are used, re or
explosion may result.
To dispose of this product, consult your dealer.
Do not use a leak detection additive.
Always use an air cleaner, humidi er, electric heater,
and other accessories speci ed by Mitsubishi Electric.
Ask an authorized technician to install the accessories.
Improper installation by the user may result in water
leakage, electric shock, or re.
If refrigerant gas leaks during installation work,
ventilate the room.
If the refrigerant gas comes into contact with a ame,
poisonous gases will be released.
Securely install the outdoor unit terminal cover (panel).
If the terminal cover (panel) is not installed properly, dust
or water may enter the outdoor unit and re or electric
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.
After completing installation work, make sure that
refrigerant gas is notleaking.
If the refrigerant gas leaks and is exposed to a fan heater,
stove, oven, or other heat source, it may generate noxious
gases.
Children should not be allowed around the air
conditioning equipment
The installer and system specialist shall ensure there
is no refrigerant leakage according to local regulations
and standards.
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