Ecodan Installation Manual - Mitsubishi Electric ecodan PUHZ-W50VHA2 User Manual

Ecodan Installation Manual

Safety Precautions
WARNING:
Precautions that must be observed to prevent injuries or death.
CAUTION:
Precautions that must be observed to prevent damages to the unit.
Indicates a part which must be grounded
WARNING:
Carefully read the labels attached to the unit.
WARNING:
The unit must not be installed by the user. Ask an Accredited Installer or an authorized technician to
install the unit. If the unit is installed improperly, water leakage, electric shock or fire may be caused.
The unit must be installed according to the instructions in order to minimize the risk of damages by
earthquake or strong winds. An improperly installed unit may fall down and cause damages or injuries.
The unit must be securely installed on a structure that can sustain its weight. If the unit is mounted on
an unstable structure, it may fall down and cause damage or injury.
All electric work must be performed by a qualified technician according to local regulations and the
instructions given in this manual. The units must be powered by dedicated power lines and the correct
voltage and circuit breakers must be used. Power lines with insufficient capacity or incorrect electrical
work may results in electric shock or fire.
Only the specified cables can be used for wiring, Connections must be made securely without tension
on the terminals. If cables are connected or installed improperly, it may result in overheating or fire.
Terminal block cover panel of the outdoor unit must be firmly fixed. If the cover panel is mounted
improperly, dust and moisture may enter the unit, and it may cause electric shock or fire.
Make sure to use accessories authorized by Mitsubishi Electric and ask an Accredited Installer or
authorized technician to install them. If accessories are improperly installed, it may cause water leakage,
electric shock or fire.
Do not remodel the unit. Consult an Accredited Installer for repairs. If alterations or repairs are not
performed correctly, it may cause water leakage, electric shock or fire.
The user should never attempt to repair the unit or transfer it to another location. If the unit is installed
improperly, it may cause water leakage, electric shock or fire. If the Ecodan needs to be repaired or
moved, ask an authorized technician.
After installation has been completed, make sure that refrigerant does not leak. If refrigerant leaks and
comes into contact with a flame, poisonous gases will be released.
Use clean water which meets water quality standards. The deterioration of water quality may result in
the system breakdown or water leakage.
Never use anything other than water as a medium. It may cause a fire or an explosion.
Do not use heated water that is produced by the Ecodan directly for drinking or cooking. There is a risk
to damage your health. There is also a risk that installing the water heat exchanger may corrode if the
necessary water quality for the air to water heat pump system cannot be maintained. If you wish to use
the heated or cooled water from the heat pump for these purposes, take measures such as to isolate
the second heat exchanger within the water piping system.
BEFORE INSTALLATION
CAUTION:
Do not use the unit in an unusual environment. If the heat pump is installed exposed to steam, volatile
oil (including machine oil), sulphuric gas, exposed to briny air, or covered with snow, the performance
can be significantly reduced and the internal parts can be damaged.
Do not install the unit where combustible gas accumulates around the unit, it may cause fire or
explosion.
The outdoor unit produces condensate during the heating operation. Make sure to provide drainage
The outdoor unit produces condensate during the heating operation. Make sure to provide drainage
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INSTALLATION: OUTDOOR UNIT
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