Daikin Modular L Smart, Руководство по обслуживанию

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ESIE19-06 | Part 4. Maintenance 4.1. HRV unit
Page 52 21/01/20 | Version 1.1
Modular L Smart
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.
A: annual / B: six months / C: quarterly / D: monthly / E: fortnightly
4.1.2.1. General information on cleaning procedures
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.
ACTIVITY
FREQUENCY
A B C D E
General cleaning of the machine. √
Check and eventual disassembly and washing of filters. √
Replacing the filters (when they have deteriorated). in case of alarm
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. √
W
ARNING
Read the safety instructions, refer to "Safety precautions for maintenance" on page 51 .
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).