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Contents
1. Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Installation location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3. Installing the outdoor unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4. Installing the refrigerant piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
In addition to this manual, the following part is supplied with the outdoor unit.
It is used for grounding the S terminal of transmission terminal block TB7.
For detail refers to "6. Electrical work".
1. Safety precautions
Before installing the unit, make sure you read all the "Safety precautions".
Please report to or take consent by the supply authority before connec-
tion to the 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.
Warning:
technician to install the unit. If the unit is installed incorrectly, water leakage,
sure of usual refrigerants. If pipe components not designed for R410A refrig-
erant are used and the unit is not installed correctly, the pipes may burst and
may result.
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 unit is mounted on an unstable structure, it may fall down and cause
damage or injuries.
If the air conditioner is installed in a small room, measures must be taken to
in the event of refrigerant leakage. Consult a dealer regarding the appropriate
local regulations and the instructions given in this manual. The units must
be powered by dedicated power lines and the correct voltage and circuit
intermediate connections).
Intermediate connections can lead to communication errors if water enters
electrical contact at the intermediate connection point.
1.1. Before installation
Caution:
reduced and the internal parts can be damaged.
1.2. Before installation (relocation)
Caution:
needed to handle the unit, as it weighs 20 kg, 44 lbs or more. Do not grasp
the packaging bands. Wear protective gloves to remove the unit from the
edge of other parts.
such as nails and other metal or wooden parts may cause stabs or other
injuries.
2
5. Drainage piping work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6. Electrical work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7. Test run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8. Special Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Grounding lead wire
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:
(If an intermediate connection is necessary, be sure to take measures to
prevent water from entering the cords and wires.)
to connect the refrigerant pipes. If the pipes are not connected correctly, the
unit will not be properly grounded and electric shock may result.
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securely with no tension applied on the terminal connections. Also, never
splice the cables for wiring (unless otherwise indicated in this document).
the cover panel is mounted incorrectly and dust and moisture enter the unit,
with any other refrigerant and do not allow air to remain in the lines.
mechanical failure or system malfunction or unit breakdown. In the worst
case, this could lead to a serious impediment to securing product safety.
cian to install them. If accessories are incorrectly installed, water leakage,
The user should never attempt to repair the unit or transfer it to another location.
result. If the air conditioner must be repaired or moved, ask a dealer or an
portable cooking range, poisonous gases will be released.
sure to provide drainage around the outdoor unit if such condensation is
likely to cause damage.
for noise and electronic interference. Inverters, home appliances, high-
frequency 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 communi-
cations equipment, harming the screen display quality.
for looseness, cracks or other damage. If such defects are left uncorrected,
the unit may fall down and cause damage or injuries.
leak out.
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