Precautions For Relocating Or Repairing The Unit; Additional Precautions - Mitsubishi Electric CITY MULTI PURY-EM200YNW-A Manuel D'installation

Connections must be made securely and without tension on the terminals.
- Improperly connected cables may break, overheat, or cause smoke or fire.
Tighten all terminal screws to the specified torque.
- Loose screws and contact failure may result in smoke or fire.
Electrical work must be performed by qualified personnel in accordance with local
regulations and the instructions provided in this manual. Only use the specified cables and
dedicated circuits.
- Inadequate power source capacity or improper electrical work will result in electric shock,
malfunction, or fire.
Install an inverter circuit breaker on the power supply of each unit.
- Failure to do so may result in electric shock or fire.
Only use properly rated breakers (an earth leakage breaker, local switch <a switch + fuse
that meets local electrical codes>, or overcurrent breaker).
- Failure to do so may result in electric shock, malfunction, smoke, or fire.
Only use standard power cables of sufficient capacity.
- Failure to do so may result in current leakage, overheating, smoke, or fire.
Proper grounding must be provided by qualified personnel.
- Improper grounding may result in electric shock, fire, explosion, or malfunction due to electrical
noise. Do not connect the ground wire to gas or water pipes, lightning rods, or telephone ground
wires.
After the wiring work has been completed, measure the insulation resistance, and make
sure that it reads at least 1 MΩ.
- Failure to do so may result in electric leakage, malfunction, or fire.

1-6. Precautions for relocating or repairing the unit

Only qualified personnel must relocate or repair the unit. Do not attempt to disassemble or
alter the unit.
- Failure to do so will result in refrigerant leakage, water leakage, serious injury, electric shock, or
fire.
Do not service the unit in the rain.
- Doing so may result in electric leakage, electric shock, wire shorting, malfunction, smoke, or fire.
Check for refrigerant leaks before service.
- If the refrigerant leaks, fire may result.
Do not open the control box cover when recovering, charging, or purging refrigerant.
- Doing so may cause sparks, resulting in fire.

1-7. Additional precautions

Do not turn off the power immediately after stopping operation.
- Wait for at least five minutes after the unit has stopped before turning off the power. Failure to do
so may result in drain water leakage or the mechanical failure of sensitive parts.
WT08842X01
GB-6