Mitsubishi Electric PLA-ZRP100BA / PUHZ-SHW112VHA [2/38] Safety precautions
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Mitsubishi Electric PLA-ZRP100BA / PUHZ-SHW112VHA [2/38] Safety precautions

Mitsubishi Electric PLA-ZRP140BA / PUHZ-ZRP140VKA [2/38] Safety precautions
2
►
Before installing the unit, make sure you read all the “Safety precau-
tions”.
►
Please report to your supply authority or obtain their consent before
connecting this equipment to the power supply system.
Warning:
Describes precautions that must be observed to prevent danger of injury or
death to the user.
Caution:
Describes precautions that must be observed to prevent damage to the unit.
Contents
1. Safety precautions .....................................................................................2
2. Installation location ....................................................................................3
3.
Installing the indoor unit ............................................................................3
4.
Installing the refrigerant piping ..................................................................5
5.
Drainage piping work .................................................................................6
6.
Electrical work ........................................................................................... 7
7.
Test run ....................................................................................................13
8.
System control ........................................................................................16
9.
Installing the grille ....................................................................................17
10.
Easy maintenance function ..................................................................... 19
1. Safety precautions
After installation work has been completed, explain the “Safety Precautions,” use,
and maintenance of the unit to the customer according to the information in the
Operation Manual and perform the test run to ensure normal operation. Both the
Installation Manual and Operation Manual must be given to the user for keeping.
These manuals must be passed on to subsequent users.
: Indicates a part which must be grounded.
Warning:
Carefully read the labels afxed to the main unit.
Warning:
• Ask a dealer or an authorized technician to install the unit.
•
The user should never attempt to repair the unit or transfer it to another location.
• For installation work, follow the instructions in the Installation Manual and use
tools and pipe components specically made for use with refrigerant specied
in the outdoor unit installation manual.
•
The unit must be installed according to the instructions in order to minimize
the risk of damage from earthquakes, typhoons, or strong winds. An incor-
rectly installed unit may fall down and cause damage or injuries.
•
The unit must be securely installed on a structure that can sustain its weight.
• If the air conditioner is installed in a small room, measures must be taken to
prevent the refrigerant concentration in the room from exceeding the safety
limit in the event of refrigerant leakage. Should the refrigerant leak and cause
the concentration limit to be exceeded, hazards due to lack of oxygen in the
room may result.
•
Ventilate the room if refrigerant leaks during operation. If refrigerant comes
into contact with a ame, poisonous gases will be released.
•
All electric work must be performed by a qualied technician according to lo-
cal regulations and the instructions given in this manual.
•
Use only specied cables for wiring. The wiring connections must be made
securely with no tension applied on the terminal connections. Also, never
splice the cables for wiring (unless otherwise indicated in this document).
Failure to observe these instructions may result in overheating or a re.
•
The appliance shall be installed in accordance with national wiring regula
-
tions.
•
This appliance is not intended for use by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concern-
ing use of the appliance by a person responsible for their safety.
•
Children should be supervised to ensure that they do not play with the appli-
ance.
•
The terminal block cover panel of the unit must be rmly attached.
• If the supply cord is damaged, it must be replaced by the manufacturer, its
service agent or similarly qualied persons in order to avoid a hazard.
•
Use only accessories authorized by Mitsubishi Electric and ask a dealer or an
authorized technician to install them.
•
The user should never attempt to repair the unit or transfer it to another loca-
tion.
•
After installation has been completed, check for refrigerant leaks. If refriger-
ant leaks into the room and comes into contact with the ame of a heater or
portable cooking range, poisonous gases will be released.
•
When installing or relocating, or servicing the air conditioner, use only the
specied refrigerant (R410A) to charge the refrigerant lines. Do not mix it with
any other refrigerant and do not allow air to remain in the lines.
If air is mixed with the refrigerant, then it can be the cause of abnormal high pres-
sure in the refrigerant line, and may result in an explosion and other hazards.
The use of any refrigerant other than that specied for the system will cause
mechanical failure or system malfunction or unit breakdown. In the worst
case, this could lead to a serious impediment to securing product safety.
1.1. Before installation (Environment)
Caution:
• Do not use the unit in an unusual environment. If the air conditioner is in-
stalled in areas exposed to steam, volatile oil (including machine oil), or
sulfuric gas, areas exposed to high salt content such as the seaside, the per-
formance can be signicantly reduced and the internal parts can be damaged.
•
Do not install the unit where combustible gases may leak, be produced, ow,
or accumulate. If combustible gas accumulates around the unit, re or explo-
sion may result.
•
Do not keep food, plants, caged pets, artwork, or precision instruments in the
direct airow of the indoor unit or too close to the unit, as these items can be
damaged by temperature changes or dripping water.
•
When the room humidity exceeds 80% or when the drainpipe is clogged, wa-
ter may drip from the indoor unit. Do not install the indoor unit where such
dripping can cause damage.
•
When installing the unit in a hospital or communications ofce, be prepared
for noise and electronic interference. Inverters, home appliances, high-fre-
quency medical equipment, and radio communications equipment can cause
the air conditioner to malfunction or breakdown. The air conditioner may
also affect medical equipment, disturbing medical care, and communications
equipment, harming the screen display quality.
1.2. Before installation or relocation
Caution:
• Be extremely careful when transporting the units. Two or more persons are
needed to handle the unit, as it weighs 20 kg or more. Do not grasp the pack-
aging bands. Wear protective gloves as you can injure your hands on the ns
or other parts.
•
Be sure to safely dispose of the packaging materials. Packaging materials,
such as nails and other metal or wooden parts may cause stabs or other inju-
ries.
•
Thermal insulation of the refrigerant pipe is necessary to prevent condensa-
tion. If the refrigerant pipe is not properly insulated, condensation will be
formed.
•
Place thermal insulation on the pipes to prevent condensation. If the drain-
pipe is installed incorrectly, water leakage and damage to the ceiling, oor,
furniture, or other possessions may result.
•
Do not clean the air conditioner unit with water. Electric shock may result.
• Tighten all are nuts to specication using a torque wrench. If tightened too
much, the are nut can break after an extended period.
1.3. Before electric work
Caution:
• Be sure to install circuit breakers. If not installed, electric shock may result.
• For the power lines, use standard cables of sufcient capacity. Otherwise, a
short circuit, overheating, or re may result.
•
When installing the power lines, do not apply tension to the cables.
• Be sure to ground the unit. If the unit is not properly grounded, electric shock
may result.
•
Use circuit breakers (ground fault interrupter, isolating switch (+B fuse), and
molded case circuit breaker) with the specied capacity. If the circuit breaker
capacity is larger than the specied capacity, breakdown or re may result.
1.4. Before starting the test run
Caution:
• Turn on the main power switch more than 12 hours before starting operation.
Starting operation just after turning on the power switch can severely damage
the internal parts.
•
Before starting operation, check that all panels, guards and other protective
parts are correctly installed. Rotating, hot, or high voltage parts can cause
injuries.
Note:
The phrase “Wired remote controller” in this installation manual refers only to the PAR-31MAA.
If you need any information for the other remote controller, please refer to either the installation manual or initial setting manual which are
included in these boxes.
• Do not operate the air conditioner without the air lter set in place. If the air
lter is not installed, dust may accumulate and breakdown may result.
•
Do not touch any switch with wet hands. Electric shock may result.
• Do not touch the refrigerant pipes with bare hands during operation.
• After stopping operation, be sure to wait at least ve minutes before turning
off the main power switch. Otherwise, water leakage or breakdown may re-
sult.
01_BH79D045K08_EN.indd 2 2014/02/13 13:20:48

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