Maintenance Of The Heat Exchange Element; Maintenance For Dx Units; Checklist For Yearly Maintenance Of The Indoor Unit - Daikin VAM350J8VEB Service Manual

4 | Maintenance

4.1.4 Maintenance of the heat exchange element

4.2 Maintenance for DX units

4.2.1 Checklist for yearly maintenance of the indoor unit

Service manual
60
draft – 07/02/2022 15:12
NOTICE
▪
NEVER wash the heat exchange element with water.
▪
NEVER touch the heat exchange element paper because it can be damaged if it is
forced.
▪
Do NOT crush the heat exchange element.
To clean the heat exchange element
1 Take out the heat exchange elements. Refer to
filter" [ 4 58].
2 Equip a vacuum cleaner with a brush on the end of the suction nozzle.
3 Use the vacuum cleaner and lightly apply the brush to the surface of the heat
exchange element to remove dust.
4 Place the heat exchange element on the rail and insert it in the unit.
5 Install the air filters in the unit.
6 Install the service cover.
NOTICE
Maintenance MUST be done by an authorised installer or service agent.
We recommend performing maintenance at least once a year. However, applicable
legislation might require shorter maintenance intervals.
NOTICE
Applicable legislation on fluorinated greenhouse gases requires that the refrigerant
charge of the unit is indicated both in weight and CO
Formula to calculate the quantity in CO
refrigerant × total refrigerant charge [in kg] / 1000
INFORMATION
During a test run of the system or during maintenance, the R32 safety needs to be
deactivated. Refer to "To deactivate the R32 safety system" in the installer reference
guide.
Check the following at least once a year:
"4.1.3 Maintenance of the air
equivalent.
2
equivalent tonnes: GWP value of the
2
VAM350~2000J8VEB + EKVDX32~100A2VEB
VRV system air conditioner
ESIE22-07 – 2022.02