9
Installation Manual
Outdoor Unit
CAUTION
This product contains fluorinated
greenhouse gases covered by the Kyoto
Protocol.
• Chemical Name of Gas: R410A
• Global Warming Potential (GWP) of gas:
2088
1. Stick the enclose refrigerant label adjacent
to the charging and/or recovering location.
2. Clearly write the charge refrigerant quantity
on the refrigerant label using indelible ink.
3. Prevent emission of the contained
fl
uorinated greenhouse gas.
Ensure that the
fl
uorinated greenhouse gas
is never vented into the atmosphere during
installation, service or disposal.
If any leakage of the contained
fl
uorinated
greenhouse gas is detected, the leak
must be stopped and repaired as soon as
possible.
4. Only quali
fi
ed service personnel are
allowed to access and service this product.
5. Any handling of the
fl
uorinated greenhouse
gas in the product, such as when moving
the product or recharging the gas, must
comply with (EC)
Regulation No.842/2006 on certain
fl
uorinated greenhouse gases and any
relevant local legislation.
6. Contact dealers, contractors, etc., for any
questions.
R410A
kg
kg
kg
1
2
Pre-charged Refrigerant
at Factory [kg], specified
in the nameplate
Additional Charge on
Installation Site [kg]
Periodical inspections for refrigerant leaks
may be required depending on European or
local legislation.
■
Insulation of the Refrigerant Pipes
• Insulate the refrigerant pipes for liquid and gas separately.
Heat-proof bubble polyethylene
■
Gas Leak Inspection
• Perform a gas leak inspection for the
fl
are nut connections, valve stem
connection, and service port cap without fail.
• Use a leak detector exclusively manufactured for R410A.
Flare nut connections
(Indoor unit)
Flare nut connections
(Outdoor unit)
Service port cap
connection
Valve stem cap
connection
* Check point example (RAS-3M18S3AV-E)
■
Performing Additional Installation of an Indoor Unit
1. Collect refrigerant from the outdoor unit.
2. Turn off the circuit breaker.
3. Perform additional installation referring to the procedure from “Refrigerant
Piping Connection” on the previous page.
7
Electrical work
WARNING
• Be sure to comply with local regulations/
codes when running the wire from the
outdoor unit to the indoor unit.
(Size of wire and wiring method etc.)
• A lack of electrical capacitance or incorrect
wiring may cause an electric shock or a
fi
re.
• To make sure that the wiring connection
are secure, use designated cables.
• Fix the cables securely so that no external
force applied to the cables may effect the
terminals.
• If wiring connections are incomplete or
cables are not
fi
xed securely, it may cause
a
fi
re.
• Be sure to ground the outdoor unit.
• Incomplete grounding may lead to an
electric shock.
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