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Summary of Contents for Western Aertesi Brezza Series
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Page 3: Table Of Contents
INDEX 1-INTRODUCTION ............................4 2-RECEPTION ..............................4 3-POSITIONING ..............................4 4-INSTALLATION .............................. 5 5-WATER CONNECTIONS ..........................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 ........................ -
Page 4: 1-Introduction
1- INTRODUCTION Series units BREZZA are designed for the function of heating, cooling, dehumidification and filtration of residential and tertiary sector (offices, public buildings, or so) for under cealing installation. Following applications are not permitted: Outdoor installation; Operations in humid or explosive or dusty environments Operations in corrosive environments, especially for the aluminum fins of the coil. -
Page 5: 3-Positioning
3- POSITIONING 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. - Page 6 AREAS OF HANDLING GRIPS Grip regions Apply four M8 threaded rods (not supplied) to the ceiling with bolts (not supplied) or other fasteners. Make sure that the components used are rated to support the weight of the unit. Single cassette Double cassette 600x600 1200x600...
- Page 7 Rods Locknut Mounting brackets Ceiling Lift the box using a suitable lifting device (tackle, hoist, forklift or other) appropriate, that 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.
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Page 8: 5-Water Connections
Fixing screws bracket Make sure the unit is level and that it is aligned to the ceiling. If necessary, adjust the height at the nut and locking nuts that hold the threaded rod to the bracket. Position box Depending on the type of ceiling and installation site, you can use other procedures, provided they comply with the regulations and do not put at risk the safety of people. - Page 9 The valves can be pre-installed or supplied in the kit (to be assembled by the installer). In any case, take care to observe the information concerning the entry and exit of water. . Input for 2 pipes system or cold coil (4 pipe system) 2.
- Page 10 To fix the auxiliary drain pan, you must first fix the side bracket using two self-tapping screws, then fix the auxiliary drain pan with two self-tapping screws and silicone to the edge between the tray and the side of the box.
- Page 11 Valves group and auxiliary drain pan (Double cassette 1200x600) 1. INPUT 2. OUTPUT TEE BRASS FLEX INOX Flexible accessory for double cassette 1200x600 After the hydraulic installation and loaded the system, it is necessary to vent the coil through the appropriate needle valve.
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Page 12: 6-Panel Installation
CONDENSATE DRAINAGE Condensate Drainage 6-PANEL INSTALLATION 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 Also remove the filter, pulling 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 Apply the front 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 A Now fasten the other two screws M4x20 and tighten top two screws. Fixing of the last two screws Apply the 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.
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Page 16: 7-Blades Adjustment
7-BLADES ADJUSTMENT The panel can have fixed blades with horizontal air flow (Coanda effect) or of adjustable blades with horizontal, vertical or intermediate 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... -
Page 17: 8-Flae Installation (Accessory)
ADJUSTABLE BLADES Blades positioned on vertical flow 8-FLAE INSTALLATION (Accessory) The accessory FLAE (Flange For External Inlet Air) introduce fresh air through 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. - Page 18 Fix the FLAE with four screws...
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Page 19: 9-Flam Installation (Accessory)
9-FLAM INSTALLATION (Accessory) The accessory FLMA (Flange For Air Outlet Duct) distributes air 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. -
Page 20: 10-Kit Valves Installation (Accessories)
10-KIT VALVES INSTALLATION (Accessories) 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) - Page 21 ASSEMBLY KIT VALVES 3-WAY / 4-DOORS (4 PIPES HEATING 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).
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Page 22: 11-Electrical Connections
11-ELECTRICAL CONNECTIONS During maintenance operations disconnect the unit from the power line with a manual disconnect. Provide a fuse or circuit breaker to protect the unit. The power cables should not be less than 0,75mmq. They must be sized according to the maximum absorption (shown in label and technical manual). -
Page 23: 12-Maintenance
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. - Page 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...
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Page 25: Pump
12.2-Pump To access internal components (pump, fan), you must remove the front panel. To do this, follow the steps in reverse order 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. - Page 26 To remove the pump, release the connector from its support, applying pressure with your fingers as shown in 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.
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Page 27: Fan
12.3-Fan To remove the fan, you must first remove the front panel and the polystyrene drain pan (as in paragraph 8.2). Disconnect the cable or cables of the fan from the terminals of the electrical box. Unscrew the four screws (M6x10 hex head) that secure the motor support bracket to the bottom of the unit. -
Page 28: 13-Troubleshooting
13-TROUBLESHOOTING Fault Possible fault Remedy There is no current Check the circuit breaker / fuse Check if there is power to the terminals of the fan (and/ The thermostat is damaged The fan does not or 0-10V signal for EC) turn The cables are not Monitor the implementation of all electrical connections with... -
Page 29: 14-Waste Disposal
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 NOTE: _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ Aertesi srl reserves the right to introduce at any time whatever modifications deemed necessary for improving the product with possible modification of the relevant technical data...
- Page 32 AER.MIU.BRE.GB.006.05/2018...
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