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Western Aertesi Brezza Series, Installation, Operation And Maintenance Manual

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Western Aertesi Brezza Series Installation, Operation And Maintenance Manual Download Page 23

 

 

23

Before  installing  electricity,  see  specific  circuit  diagram  of  the  unit  supplied  with  the  unit.  After  completing  the 

electrical installation, replace the electrical panel cover and secure it with the two screws. 

12-MAINTENANCE 

The maintenance of the unit can only be done by qualified and trained. 

Before performing any maintenance on the unit, make sure that the main power supply is switched off and that it 

cannot be accidentally inserted. Make sure the motor is stopped before opening the cassette cover. 

The  motor,  the  coil  and  the  drainage  pump  does  not  require  regular  maintenance.  The  filter  instead  requires 

periodic cleaning. 

 

12.1-Filter 

The  filter  must  be  cleaned  periodically,  every  6  months  or  more  often  if  the  environment  is  dusty.  It  can  be 

cleaned  with  a  vacuum  cleaner  or  slightly  beaten.  To  access  the  filter  pull  down  gently  on  the  front  panel  to 

release the magnet fixing. 

Pull only in the two corners (maximum 5cm from the edge) at the two labels " PULL ". 

 

 

 

PULL LABEL ON PANEL 

 

 

 

Summary of Contents for Aertesi Brezza Series

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Page 3: ...ONS 8 6 PANEL INSTALLATION 12 7 BLADES ADJUSTMENT 16 8 FLAE INSTALLATION Accessory 17 9 FLAM INSTALLATION Accessory 19 10 KIT VALVES INSTALLATION Accessories 20 11 ELECTRICAL CONNECTIONS 22 12 MAINTENANCE 23 12 1 Filter 23 12 2 Pump 25 12 3 Fan 27 13 TROUBLESHOOTING 27 14 WASTE DISPOSAL 29 ...

Page 4: ... for example work safety use of protections for the eyes and hands plant and electrical installations pressure vessels refrigeration equipment lifting equipment The manufacturer seller is not responsible for any damage to persons or property resulting from the failure of requirements in this manual of regular maintenance or use of non original spare parts or change in the product status with respe...

Page 5: ...er steps near the corners of the metal structure taking care not to damage less resistant parts in particular the polystyrene tray The unit must be positioned in the center of the room or of the area to be treated There should be no tall furniture such as shelves cabinets bookcases under the cassette which might prevent the accessibility and the correct intake The distance between the ceiling and ...

Page 6: ...assette 600x600 Double cassette 1200x600 Installed cassette weight kg 32 60 The length of the bars depends on the distance between the ceiling and the countertop The spacing of the bars must comply with the measures of the drawing below and must be central to the opening of the ceiling Single cassette 600x600 Double cassette 1200x600 Attach the four brackets supplied with threaded rods nut locknut...

Page 7: ...at can support the weight of the box Tilting the unit with the electrical panel upward pass it through the opening of the ceiling and position it in a horizontal position Bracket Installation The hooks of the brackets allow you to temporarily support the unit Set firmly the brackets to the unit with the screws provided 2 screws per bracket ...

Page 8: ...coil which is suitable to work with water possibly mixed with glycol To avoid the formation of condensation on the surfaces of the cassette during the summer period in the moment when the fan is not in operation it is recommended to stop the chilled water flow through a motorized valve All the pipes in particular those of the chilled water must be insulated to prevent dripping of condensation For ...

Page 9: ... system or cold coil 4 pipe system 2 Output for 2 pipes system or cold coil 4 pipe system 3 Hot Cold valve 2 pipes Cold valve 4 pipes 4 Input for hot coil 4 pipe system only 5 Output for hot coil 4 pipe system only 6 Hot valve 4 pipes 7 Auxiliary drain pan 1 Input for 2 pipes system or cold coil 4 pipe system 2 Output for 2 pipes system or cold coil 4 pipe system 3 Hot Cold valve 2 pipes Cold valv...

Page 10: ...tray and the side of the box Installation of the auxiliary drain pain The double Cassettes 1200x600 have two kit valves one for the right coil and one for the left coil The two valves kit must be connected in parallel for this purpose is available a kit consisting of flex inox and TEE brass 1 Valve heating cooling 2 pipes valve cooling 4 pipes 2 Valve heating only 4 pipes 3 Auxiliary drain pan ADP...

Page 11: ...e needle valve Repeat breather after operation of the pump as long as there is the certainty that you have deleted all the bubbles Connect the condensate drain connection to an exhaust pipe of internal diameter 12mm The tube must have a constant slope of at least 2 downwards The maximum Kerb from the pump is 650mm The individual cassettes are equipped with only one condensate discharge double ones...

Page 12: ...N To facilitate the installation of the panel it is advisable to remove the front panel drilled To do this unscrew the two screws M4x10 that constitute the panel hinges and release the panel from the magnets and the safety hook SAFETY HOOK The front panel removal ...

Page 13: ...ing gently down to release it from the magnets Filter removal Screw two of the four screws M4x20 supplied for a length of between 5 and 10mm These two screws must be positioned as in the picture below Fixing of the first two screws ...

Page 14: ... panel by passing the head of the two M4x20 screws through the two holes diameter 11mm Frontal panel application Slide the side panel until the stems of the two screws touch the end of the slot Frontal panel application ...

Page 15: ...he filter attach the hinges of the front panel with the two screws M4x10 secure the safety hook and hook the front panel with the magnets Remove the four polystyrene strips one for each side that close the air outlet of the panel These strips make the panel stronger during assembly Polystyrene strips removal ...

Page 16: ...ermediate air flow There are rectangular opening only on the panel with adjustable blades PANEL WITH FIXED BLADES ONLY HORIZONTAL AIR FLOW PANEL WITH ADJUSTABLE BLADES HORIZONTAL and VERTICAL or INTERMEDIATE AIRFLOW To adjust the position of the blades press lightly and turn them around the pins ADJUSTABLE BLADES Blades positioned on horizontal flow ...

Page 17: ...ugh the air diffusers The fresh air must be pre treated filtered and at neutral temperature On the carpentry there is a pre cut piece to connect the FLAE on duct It is in the opposite corner to the Condensate Drainage see image below Pre cut piece for FLAE connection Remove the two pre cut piece Outlined in red in the picture below with a tool screwdriver etc ...

Page 18: ...18 Fix the FLAE with four screws ...

Page 19: ...ir in other different rooms through a circular channel On the three sides of the unit there are three pre cut pieces circular to connect the FLMA see picture below Remove the circular pre cut pieces Outlined in red in the picture below with a tool screwdriver etc Fix the FLMA with four screws ...

Page 20: ...The Kit valve should be built as shown in the picture of paragraph 5 The pictures below show the assembly of the Valve Kit components ASSEMBLY KIT VALVES 2 WAY 2 and 4 PIPES ASSEMBLY KIT VALVES 3 WAY 4 DOORS 2 PIPES and 4 PIPES COOLING COIL z 1 ...

Page 21: ... COIL 1 Fix to the battery connections whit a suitable sealant in teflon or hemp After assembling the KIT remove the safety valve cap and fix the actuator with threaded ferrule the actuator shape depending by the type of actuator Actuator Savety cap 1 1 ...

Page 22: ...k that the voltage and frequency of the power supply is 230V 50Hz Before making any electrical connection on the unit switch off the main power supply and make sure that it cannot be accidentally inserted To remove the cover of the electrical panel unscrew the two screws on the sides of the lid Then lift slightly and remove the cover Removing the electrical panel cover To access with the cables in...

Page 23: ...d off and that it cannot be accidentally inserted Make sure the motor is stopped before opening the cassette cover The motor the coil and the drainage pump does not require regular maintenance The filter instead requires periodic cleaning 12 1 Filter The filter must be cleaned periodically every 6 months or more often if the environment is dusty It can be cleaned with a vacuum cleaner or slightly ...

Page 24: ...24 MAGNETS HINGES PULL Panel opening Unhook the safety hook and open the panel SAFETY HOOK Safety hook Pull down gently the filter to release it from the magnets PULL Filter removing ...

Page 25: ...r in paragraph 5 Then you must remove the polystyrene drain pan First remove the four screws that secure the cross bars and remove the bars Remove drain pan support bars Remove the polystyrene drain pan pulling it gently to prevent damage Do not overturn the drain pan because there may be water inside Remove drain pan circular ...

Page 26: ...the picture Then unscrew the two screws circled in the picture Removing pump Removing the assembly pump and disconnect the rubber tube so that the check valve remains integral with the pump assembly as in the picture below CHECK VALVE Pump Assembly To reassemble the pump follow the steps above to the contrary ...

Page 27: ...s fastening bracket fan Remove the fan metal bracket from the unit pulling the cable through the cable guides Unscrew the four screws M4x10 that secure the fan to the bracket pulling the cable from the cable guides of the bracket BRACKET WIRES WIRES SCREWS M4x10 Viti fissaggio ventilatore a staffa After replacing the fan reassemble all components performing the same operations in reverse order WAN...

Page 28: ...ess than 10 C in summer or above 40 C in winter Water flow low Check that the dT between water input and output is at most 7K Valve closed Check that all manual valves are open to interception Pump route The float has closed the valve for pump alarm Valve Actuator broken Check that the actuator has opened the valve Air in the coil Vent drums and pipes Condensation on the panel Water too cold Raise...

Page 29: ...9 14 WASTE DISPOSAL At the end of his service the unit must be disposed of in compliance with local regulations on waste disposal The main materials present are copper aluminum steel polystyrene plastic ...

Page 30: ...______________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ ___________________________________...

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Page 32: ...AER MIU BRE GB 006 05 2018 34 ...

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