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1. Safety precautions
1.1. Before installation and electric work
1.2. Precautions for devices that use R410A refrigerant
1.3. Before installation
1.4. Before installation (relocation) - electrical work
1.5. Before starting the test run
1.6. Test run
Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and components which can be recycled and reused.
This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your household waste.
Please, dispose of this equipment at your local community waste collection/recycling centre.
In the European Union there are separate collection systems for used electrical and electronic product.
Please, help us to conserve the environment we live in!
1.1. Before installation and electric work
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(*1)
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Model
PUMY-P250YBM
PUMY-P300YBM
: Indicates an action that must be avoided.
: Indicates that important instructions must be followed.
: Indicates a part which must be grounded.
: Beware of electric shock. (This symbol is displayed on the main unit
label.) <Colour: yellow>
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- Improper installation by the user may result in water leakage, electric shock,
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- Failure to do so may cause the unit to fall down, resulting in injuries and
damage to the unit.
2. About the product
3. Additional refrigerant charge
4. Refrigerant collecting (Pump down)
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(MVA)
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1.80
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2.07
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3.1. Calculation of additional refrigerant charge
- Improper installation may cause the unit to topple and result in injury and
damage to the unit.
- Ask an authorized technician to install the accessories. Improper installation
result.
- Improper handling may result in injury.
be released.
result.
- If the power source capacity is inadequate or electric work is performed
- If the terminal cover (panel) is not installed properly, dust or water may enter
erant cycle may malfunction and the unit may be damaged.
- Consult the dealer regarding the appropriate measures to prevent the safety
- If the air conditioner is installed improperly, water leakage, electric shock, or
- If the pressure switch, thermal switch, or other protection device is short-
- Choose the appropriate wire size and the switch capacities for the main
power supply described in this manual if local regulations are not available.
en
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