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7.1 Maintenance after Unit has been Shut Down
for a Long Period
For example, in early summer or winter.
▪ Check and remove all objects that may clog the air inlets and outlets
of the indoor and outdoor units.
▪ Clean the air filter and external shell of the unit. Please contact the
installation or maintenance personnel. The installation/operation
manual of the indoor unit includes maintenance tips and cleaning
procedures. Make sure that the clean air filter is installed in its
original position.
▪ Turn on the main power supply 12 hours before this unit is operated
in order to ensure that the unit runs smoothly. The user interface is
displayed once the power is turned on.
7.2 Maintenance Before Unit is Shut Down for
a Long Period
For example, at the end of winter and summer.
▪ Run the indoor unit in the fan mode for about half a day to dry the
internal parts of the unit.
▪ Turn off the power supply.
▪ Clean the air filter and external shell of the unit. Please contact the
installation or maintenance personnel to clean the air filter and
external shell of the indoor unit. The installation/operation manual of
the specialized indoor unit includes maintenance tips and cleaning
procedures. Make sure that the clean air filter is installed in its
original position.
7.3 About the Refrigerant
This product contains fluorinated greenhouse gases as stipulated in
the Kyoto Protocol. Do not discharge the gas into the atmosphere.
Refrigerant Type: R410A
GWP Value: 2088
Based on the applicable law, the refrigerant must be checked regularly
for leakages. Please contact the installation personnel for more
information.
Warning
The refrigerant in the air conditioner is relatively safer, and usually
does not leak. If the refrigerant leaks, and comes in contact with
burning objects in the room, it will produce harmful gases.
Shut down any flammable heating device, ventilate the room and
contact the agent of the unit immediately.
Do not use the air conditioner again until the maintenance
personnel has confirmed that the refrigerant leakage has been
sufficiently resolved.
Warning
The partial units shall only be connected to an appliance suitable
for the same refrigerant.
This unit is a partial unit air conditioner, complying with partial unit
requirements of this International Standard, and must only be
connected to other units that have been confirmed as complying
to corresponding partial unit requirements of this International
Standard.
7.4 After-sales Service and Warranty
7.4.1 Warranty period
▪ This product contains the warranty card that was completed by the
agent during installation. The customer must check the completed
warranty card and keep it properly.
▪ If you need to repair the air conditioner during the warranty period,
please contact the agent and provide the warranty card.
7.4.2 Recommended maintenance and inspection
As the use of the unit for many years will eventually lead to a dust
layer, the performance of the unit will degenerate to a certain extent.
As professional skills are needed to dismantle and clean the unit, and
for the optimal maintenance effects of this unit, please contact your
agent for more details.
When you request the agent for assistance, please remember to state:
▪ Complete model name of the air conditioner.
▪ Date of installation.
▪ Details on the fault symptoms or errors, and any defects.
Warning
▪ Do not attempt to modify, dismantle, remove, reinstall or repair
this unit, as the improper dismantling or installation may result
in electric shock or fire. Please contact the agent.
▪ If the refrigerant accidentally leaks, make sure that there is no
fire around the unit. The refrigerant itself is completely safe,
non-toxic and non-flammable, but it will produce toxic gases
when it accidentally leaks and comes in contact with flammable
substances generated by existing heaters, and burning devices
in the room. You must get a qualified maintenance personnel to
verify that the point of leakage has been repaired or rectified
before you restore the operations of the unit.
7.4.3 Shorter maintenance and replacement cycle
In the following situations, the "maintenance cycle" and "replacement
cycle" may be shortened.
The unit is used in the following situations:
▪ Temperature and humidity fluctuations are outside the normal
ranges.
▪ Large power fluctuations (voltage, frequency, waveform distortion
etc.) (must not use the unit if the power fluctuations exceed the
allowed range).
▪ Frequent collisions and vibrations.
▪ The air may contain dust, salt, harmful gas or oil such as sulphite
and hydrogen sulphide.
▪ Frequent on and off of unit or operating time is too long (in places
where the air conditioning is on for 24 hours a day).
1.
This equipment MDVT-V335W/DGN1 complies with IEC 61000
-3-12 provided that the short-circuit power Ssc is greater than or
equal to 6401472W at the interface point between the user's supply
and the public system. It is the responsibility of the installer or user
of the equipment to ensure, by consultation with the distribution
network operator if necessary, that the equipment is connected only
to a supply with a short-circuit power Ssc greater than or equal to
6401472W.
2.
This equipment MDVT-V280W/DGN1 complies with IEC 61000
-3-12 provided that the short-circuit power Ssc is greater than or
equal to 6280232W at the interface point between the user's supply
and the public system. It is the responsibility of the installer or user
of the equipment to ensure, by consultation with the distribution
network operator if necessary, that the equipment is connected only
to a supply with a short-circuit power Ssc greater than or equal to
6280232W.
8
NOTE
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