10 | Maintenance and service
Installer and user reference guide
28
FXMQ-A
VRV system air conditioner
4P701548-1 – 2022.07
Clean with a soft cloth. If it is difficult to remove stains, use water or a neutral
detergent.
10.3 Maintenance before a long stop period
E.g., at the end of the season.
▪ Let the indoor units run in fan only operation for about half a day in order to dry
the interior of the units.
▪ Turn off the power. The user interface display disappears. When the main power
is turned on, the air conditioner will use some power, even if it is not operating.
▪ Clean the air filter and the casing of the indoor unit (see "10.2Cleaning the air
filter and air outlet" [4 27]). Make sure to install cleaned air filters back in the
same position.
▪ Remove the batteries from the user interface (if applicable).
10.4 Maintenance after a long stop period
E.g., at the beginning of the season.
▪ Check and remove everything that might be blocking inlet and outlet vents of
indoor units and outdoor units.
▪ Check if the earth is connected properly.
▪ Check if there is somewhere a broken wire. Contact your dealer in case of
problems.
▪ Clean the air filter and the casing of the indoor unit (see "10.2Cleaning the air
filter and air outlet" [4 27]). Make sure to install cleaned air filters back in the
same position.
▪ Turn on the power at least 6 hours before operating the unit in order to ensure
smoother operation. As soon as the power is turned on, the user interface
display appears.
▪ Insert batteries in the user interface (if applicable).
10.5 About the refrigerant
This product contains fluorinated greenhouse gases. Do NOT vent gases into the
atmosphere.
Refrigerant type: R410A
Global warming potential (GWP) value: 2087.5
NOTICE
Applicable legislation on fluorinated greenhouse gases requires that the refrigerant
charge of the unit is indicated both in weight and CO
2
equivalent.
Formula to calculate the quantity in CO
2
equivalent tonnes: GWP value of the
refrigerant × total refrigerant charge [in kg]/1000
Contact your installer for more information.
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