Ordinary Maintenance; General Information On Cleaning Procedures - Daikin Modular L Smart Service Manual

ESIE19-06 | Part 4. Maintenance

4.1.2. Ordinary maintenance

Proper maintenance of the systems maintains efficiency (reducing costs) and consistent performance over time, and increase the
usable life of the equipment.
General cleaning of the machine.
Check and eventual disassembly and washing of filters.
Replacing the filters (when they have deteriorated).
Clean the finned surfaces of the heat exchange coils (if provided) with a jet of com-
pressed air and soft brush.
Clean the exchange surfaces of heat recuperators with a jet of compressed air and soft
brush.
Empty and clean the condensate collection basins.
Visual inspection for corrosion, limescale, release of fibrous substances, any damage,
abnormal vibrations, etc. (if possible, it is advisable to extract the components for a
more thorough inspection).
Check condensate drain and cleaning of siphons.
In the case of water coils check for the presence of Legionella.
Check the status of anti-vibration connections.
Cleaning of the heat exchanger.
Check tightness of screws and bolts in the fan section.
Check the auger, impeller and various devices, with removal of any buildup.
Check the integrity of piping connected to pressure gauges and pressure switches.
Check the ground connection.
Power connection terminal torque.
A: annual / B: six months / C: quarterly / D: monthly / E: fortnightly

4.1.2.1. General information on cleaning procedures

W
ARNING
Read the safety instructions, refer to
W
ARNING
You should consult with your supplier of chemical products to choose the most suitable for cleaning the unit compo-
nents.
W
ARNING
For the cleaning method refer to the instructions of the detergent manufacturer and carefully read the safety data sheet
(SDS).
As general guidelines, refer to the following rules:
• Always use personal protection (safety shoes, safety glasses, gloves, etc.).
• Use mild products (pH between 8 and 9) for washing and disinfecting, in normal concentrations. Detergents must not be toxic,
corrosive, flammable or abrasive.
• Use a soft cloth or bristle brushes that do not damage the stainless steel surfaces.
• If water jets are used, pressure must be under 1.5 bar and the temperature should not exceed 60°C.
• For cleaning components like motors, damper motors, bearings, pitot tubes, filters and electronic sensors (if applicable), do
not spray water directly on them.
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Modular L Smart
ACTIVITY
"Safety precautions for maintenance" on page
FREQUENCY
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4.1. HRV unit
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| Version 1.1