Hitachi RAF-35RPA RAF35RPA User Manual
Product codes
RAF35RPA
10-41
10.2 INSTALLATION OF OUTDOOR UNIT
10.2.1. SINGLE SPLIT AND MULTI TYPE
OUTDOOR
Please read the safety precautions carefully before
operating the unit. The contents of this section are vital to
ensure safety. Please pay special attention to the following
signs.
ensure safety. Please pay special attention to the following
signs.
WARNING Incorrect methods of installation may
cause death or serious injury
CAUTION Improper installation may result in
serious consequences.
Make sure to connect earth wire
This sign indicates prohibition
Be sure that the unit operates in proper condition after
installation. Explain to customer the proper way of
operating the unit as described in the user’s guide.
installation. Explain to customer the proper way of
operating the unit as described in the user’s guide.
WARNING
•
Please request your sales agent or qualified
technician to install your unit. Water leakage, short
circuit of fire may occur if you do the installation
work yourself.
technician to install your unit. Water leakage, short
circuit of fire may occur if you do the installation
work yourself.
•
Please observe the instructions stated in the
installation manual during the process of
installation. Improper installation may cause water
leakage, electric shock and fire.
installation manual during the process of
installation. Improper installation may cause water
leakage, electric shock and fire.
•
Make sure that the units are mounted at locations
which are able to provide full support of the weight
of the units. If not, the units may collapse and
impose danger.
which are able to provide full support of the weight
of the units. If not, the units may collapse and
impose danger.
•
Observe the rules and regulations of the electrical
installation and the methods described in the
installation manual when dealing with the electrical
work. Use power cables approved by the authorities
of your country.
installation and the methods described in the
installation manual when dealing with the electrical
work. Use power cables approved by the authorities
of your country.
•
Be sure to use the specified wire for connecting the
indoor and outdoor units. Please ensure that the
connections are tight after the conductors of the
wire are inserted into the terminals. Improper
insertion and loose contact may cause over-heating
and fire.
indoor and outdoor units. Please ensure that the
connections are tight after the conductors of the
wire are inserted into the terminals. Improper
insertion and loose contact may cause over-heating
and fire.
•
Please use the specified piping set for the correct
refrigerant gas. Otherwise, this may result in broken
copper pipes or faults
refrigerant gas. Otherwise, this may result in broken
copper pipes or faults
•
When installing or removing an air conditioner, don
not allow air or moisture to remain in the
refrigeration cycle. Otherwise, pressure in the
refrigeration cycle may become abnormally high
may cause a rupture.
not allow air or moisture to remain in the
refrigeration cycle. Otherwise, pressure in the
refrigeration cycle may become abnormally high
may cause a rupture.
•
Be sure to ventilate fully in case refrigerant gas
leaks while at work. If the refrigerant gas comes into
contact with fire, poisonous gas might be
discharged.
leaks while at work. If the refrigerant gas comes into
contact with fire, poisonous gas might be
discharged.
•
After completion of installation work, check to make
sure that there is no refrigeration gas leakage. If the
refrigerant gas leaks into the room, coming into
contact with fire in a fan-driver heater, space heater,
etc; poisonous gas may be emitted.
sure that there is no refrigeration gas leakage. If the
refrigerant gas leaks into the room, coming into
contact with fire in a fan-driver heater, space heater,
etc; poisonous gas may be emitted.
•
Unauthorized modifications to the air conditioner
may be dangerous. If a breakdown occurs, please
contact a qualified air conditioner technical or
electrician. Improper repairs may result in water
leakage, electric shock and fire.
may be dangerous. If a breakdown occurs, please
contact a qualified air conditioner technical or
electrician. Improper repairs may result in water
leakage, electric shock and fire.
•
Be sure to connect the earth wire from power
supply wire to the outdoor unit and between the
outdoor and indoor unit. Improper grounding may
cause electric shock.
supply wire to the outdoor unit and between the
outdoor and indoor unit. Improper grounding may
cause electric shock.
CAUTION
•
A circuit breaker or fuse must be installed. Without
a circuit breaker or fuse, the danger of electric
shock exists. A main switch with a contact gap of
more than 3.5mm has to be installed in the power
supply line to the outdoor unit.
a circuit breaker or fuse, the danger of electric
shock exists. A main switch with a contact gap of
more than 3.5mm has to be installed in the power
supply line to the outdoor unit.
•
Do not install the unit near a location where there is
a flammable gas. The indoor unit may catch fire if
flammable gas leaks around it.
a flammable gas. The indoor unit may catch fire if
flammable gas leaks around it.
•
Be sure to tighten the flare nut to the specified
torque using a toque wrench. If the flare nut is
tightened excessively, it may crack as time elapses,
causing the refrigerant leakage.
torque using a toque wrench. If the flare nut is
tightened excessively, it may crack as time elapses,
causing the refrigerant leakage.
•
Please ensure smooth flow of water when installing
the drain hose.
the drain hose.
•
Piping shall be suitable supported with a maximum
spacing of 1m between supports
spacing of 1m between supports
•
An IEC approved power cord should be used.
Power cord type: NYM.
Power cord type: NYM.
The choice of mounting site
•
OUTDOOR UNIT
WARNING
•
The Outdoor unit must be mounted at a location
which can support heavy weight. Otherwise, noise
and vibration will increase.
which can support heavy weight. Otherwise, noise
and vibration will increase.
CAUTION
•
Do not expose the unit under direct sunshine or
rain. Besides, ventilation must be good and clear of
obstruction.
rain. Besides, ventilation must be good and clear of
obstruction.
•
The air blown out of the unit should not pint directly
to animals or plants.
to animals or plants.
•
The clearances of the unit from top, left, right and
front are specified in figure below. At least 3 of the
above sides must be open air.
front are specified in figure below. At least 3 of the
above sides must be open air.
•
Be sure that the hot air blown out of the unit and
noise do not disturb the neighborhood.
noise do not disturb the neighborhood.
•
Do not install at a location where there is flammable
gas, steam, oil and smoke.
gas, steam, oil and smoke.
•
The location must be convenient for water drainage.
•
Place the Outdoor unit and its connecting cord at
least 1m away from the antenna or signal line of
television, radio or telephone. This is to avoid noise
interference.
least 1m away from the antenna or signal line of
television, radio or telephone. This is to avoid noise
interference.
•
Do not install outdoor unit facing strong wind
direction. It may damage the fan motor.
direction. It may damage the fan motor.
•
Decide the location for piping after sorting out the
different types of pipe available.
different types of pipe available.
•
When removing side cover, please pull the handle
after undoing the hook by pulling it downward.
after undoing the hook by pulling it downward.
Please face this side (suction
side) of the unit to the wall.
Please remove
side cover when
connecting the
piping and cord.
Pull downward