CLIVET AQX CLA Series Installation, Use And Maintenance Manual
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CLIVET AQX CLA Series Installation, Use And Maintenance Manual

Modular air-handling units
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AQX - CLA
1 - 32
Modular air-handling units
Installation use and maintenance manual
MU14B006GB-01
19-01-2015

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  • Page 1 AQX - CLA 1 - 32 Modular air-handling units Installation use and maintenance manual MU14B006GB-01 19-01-2015...
  • Page 2 Dear Customer, Congratulations for having chosen this product. Clivet has been working for years to offer the market systems able to assure maxi- mum and long-lasting wellbeing with high reliability, efficiency, quality and safety. The company aim is that to offer its customers developed systems that assure the best comfort, reduce energy consumptions and installation and maintenance costs for the entire life-span of the system.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Generality ......... Receipt ..........Positioning ........Hydraulic connections ....Aeraulic connections ...... Electric connections ....... Start-up ..........Maintenance ........Troubleshooting ......Technical information ....Disposal ..........Residue risks ........The data contained in this manual are not binding and can be changed by the manufacturer without prior notice.

  • Page 4: Generality

    1 - GENERALITY – 1.1 General warnings Fault Malfunctioning Disconnect the equipment in case of fault or Purpose of the manual malfunctioning. This manual has been realised to enable a correct installation, adjustment and maintenance of the unit. Repair Manual instructions For any repairs, only contact an after-sales technical It is of fundamental importance that the manual is carefully assistance centre authorised by the manufacturer and request...
  • Page 5 1 - GENERALITY 1.2 Unit identification Serial number label The serial number label is found on the unit and indicates all machine features. The serial number label must never be removed. The serial number label shows the indications foreseen by the standards, in particular: ...

  • Page 6: Receipt

    2 - RECEIPT 2.1 Preliminary information Use protections to avoid damaging the unit Work respecting the current safety standards. For detailed information (dimensions, weights, technical features, etc.) refer to the TECHNICAL INFORMATION chapter. To perform the operations use the protective equipment: gloves, goggles, etc.

  • Page 7: Positioning

    3 - POSITIONING Avoid: 3.1 Preliminary information  obstacles to air flow (strong prevailing winds, hedges, Work respecting the current safety standards. fences, etc.) To perform the operations use the protective equipment:  difficulty of exchange gloves, goggles, etc.  leaves or other bodies that can obstruct the exchange coils 3.2 Functional spaces...
  • Page 8 3 - POSITIONING The units installed outdoors require greater care, both for the reasons already mentioned and due to the correct application of the rain cover, which is subject to strong winds.  Special attention should be paid to the seal gaskets. ...
  • Page 9 3 - POSITIONING 3.5 HEAT RECOVERY UNITS For reasons of bulk, the heat recovery units may be supplied as separate sections or partially dismantled. In these cases, special attention should be paid when assembling the recovery unit, being made from fragile and delicate material. Check that the gaskets and the silicon seals prevent the by- pass of air.

  • Page 10: Hydraulic Connections

    4 - HYDRAULIC CONNECTIONS 4.1 PRELIMINARY INFORMATION 4.4 WATER QUALITY Selection and installation of system components must be The water quality is determined by the following factors, avoid carry out by installer. therefore:  Following you will find some indications to integrate with what Inorganic salts ...
  • Page 11 4 - HYDRAULIC CONNECTIONS 4.7 WATER COILS 4.9 STEAM COILS All the coils are already fitted with pipes sloped towards the The water coils must be installed with perfectly horizontal outlet manifold to help drain the condensate, or alternatively pipes. They must be connected following the indications on with vertical pipes.
  • Page 12 4 - HYDRAULIC CONNECTIONS 4.13 RUN-THROUGH WATER HUMIDIFICATION 4.11 WET DECK HUMIDIFICATION  IDENTIFYING THE CHARACTERISTICS OF THE HUMIDIFIER: The humidifier is complete with a constant flow valve.   With run-through water, type P. To drain the water, use a drain trap and do not decrease ...
  • Page 13 4 - HYDRAULIC CONNECTIONS 4.15 ATOMISED WATER HUMIDIFICATION 4.17 CONDENSATE DISCHARGE  There are two lines in parallel: for water and air. The condensate collection basins, both for the cooling coils and the humidifiers, are fitted with threaded male drain pipes. ...
  • Page 14 4 - HYDRAULIC CONNECTIONS THEORETICAL CALCULATION OF THE DRAIN TRAP The theoretical calculation of the height of the drain trap involves a number of considerations, depending on the position of the drain trap in reference to the fan. Failure to heed the following rules will lead to the emptying of the drain trap and thus incorrect draining of the tank.

  • Page 15: Aeraulic Connections

    5 - AERAULIC CONNECTIONS 5.1 Generality 5.2 Treated air channelling The internal surface of the channel must be smooth, enable The dimensioning and correct execution of the aeraulic its washing and must not contaminate the air connections are fundamental to guarantee good unit operation and adequate level of silence in the room.

  • Page 16: Electric Connections

    6 - ELECTRIC CONNECTIONS 6.1 Preliminary information 6.4 Data-signal lines The features of the lines must be determined by personnel Do not exceed the maximum admitted distance, that varies enabled to the designing of electric systems, complying with based on the type of cable and signal. the standards in force.
  • Page 17 6 - ELECTRIC CONNECTIONS 6.6 MOTOR TERMINAL LAYOUT Direct starting with star connection. Single start with switch (Dahlander). Terminals U V W should be connected to Switch connection: the line switch. High speed: Polarity: 2, 4, 6, 8 terminals U V W to the three-phase supply terminal Z to X and to Y Low speed: terminals Z X Y to the three-phase supply...
  • Page 18 6 - ELECTRIC CONNECTIONS ADMISSIBLE STARTING TIMES (from ABB MOTORS catalogue) Laying A Thermal overload Fuse suggested for direct Power Current at 400 V Size relay starting with Isp/IN <= 7 4 poli Cu mm2 Al mm2 0.18 63 B 0.6 -1 0.25 0.85...
  • Page 19 6 - ELECTRIC CONNECTIONS 6.9 SPRAY NOZZLE HUMIDIFICATION 6.7 ROTARY FILTERS Check the mains have features conform with the data Check the mains have features conform with the data reported reported on the matriculation plate on the matriculation plate Connect the electric pump to the mains power supply Electrically connect the gear motor, checking the direction of using compliant devices (three-phase power supply) rotation.

  • Page 20: Start-Up

    7 - START-UP Example : 7.1 Preliminary information The indicated operations must be carried out by qualified technicians and specifically trained on the product. Upon request, the after-sales assistance centres execute start- 388V 379V The electric, hydraulic connections and the other work of the system are the responsibility of the installer.
  • Page 21 7 - START-UP DAMPERS NON-RIGID BAG FILTERS Check that the bags are not blocked and that there are no Check the operation of the dampers to avoid starting the fan obstacles to the passage of air. with the dampers closed. If closed, structural damage may occur on machines fitted with high pressure fans.
  • Page 22 7 - START-UP ACTIVATED CARBON FILTERS Check that the cartridges containing the carbon are correctly Remove any safety locking devices from the fan assembly, inserted and check the operation of the air seal gasket. leaving the shock absorbers in operation. Check the alignment of the pulley and the tension of the belts (see "Maintenance").

  • Page 23: Maintenance

    8 - MAINTENANCE 8.1 Generality 8.5 DAMPERS Maintenance must be carried out authorised after-sales Extruded aluminium with nylon gears. assistance centres or by specialised personnel. This type of damper does not require lubrication, but simply Maintenance allows: normal cleaning, as there are no parts subject to oxidation. ...
  • Page 24 8 - MAINTENANCE 8.8 ROTARY FILTERS 8.10 ABSOLUTE FILTERS Every 6 months clean and lubricate the gear mechanisms and The absolute filters fitted with gaskets are installed in special check the tension of the gearing chain. metal counter-frames. The filter is always fitted with a differential pressure switch and They are fastened using four tie rods with hand screws.
  • Page 25 8 - MAINTENANCE 8.14 WET DECK HUMIDIFICATION 8.15 SPRAY NOZZLE HUMIDIFICATION The duration over time and the absence of faults depends on To clean, proceed as follows: constant cleaning, the frequency of which depends on various  Cleaning should be performed monthly. different factors: ...
  • Page 26 8 - MAINTENANCE 8.17 FANS 8.18 PULLEYS In accordance with the safety standards in force, before The transmission pulleys are fitted to the shafts using conical working on the motor-fan assembly, check that the main locking bushes that allow easy replacement. switch is off.

  • Page 27: Troubleshooting

    9 - TROUBLESHOOTING WATER DRAGGED THROUGH THE ELIMINATOR GENERAL  Excessive air flow-rate The aim of the following sections is to provide possible solutions to  Excessive water flow-rate to the humidifier a number of anomalies that may arise on the unit. ...
  • Page 28 9 - TROUBLESHOOTING POOR COIL HEATING CAPACITY  Insufficient temperature or flow-rate of the thermal carrier fluid  Reduced air flow-rate  Air in the coil. Vent.  Automatic control malfunctioning  Condensate discharge malfunctioning (steam coils) INSUFFICIENT HUMIDIFICATION  Dirty water filter ...

  • Page 29: Technical Information

    10 - TECHNICAL INFORMATION Characteristics of the casing according to "EN 1886" Classified characteristic polyurethane foam mineral wool Mechanical strength of the casing Air-tightness of casing - 400 Pa Air-tightness of casing + 700 Pa Filter bypass Transfer factor Heat bridge factor Frequency 1000 2000...

  • Page 30: Disposal

    11 - DISPOSAL 11.1 Disconnection 11.3 EC WEEE Directive The disconnection operations must be carried out by qualified The units falling within the standard in question are marked technicians. with the symbol at the side.  Avoid pouring or leaking in room. With a view of respecting the environment, our units are ...

  • Page 31: Residue Risks

    12 - RESIDUE RISKS Carry out all work on the electric system with reference to the wiring Generality diagram and this manual, assuring use of a dedicated system. The most common situations, as they cannot be controlled by the An incorrect fastening of the lid of the electric components can favour manufacturer, that may give rise to risk situations for things or persons entry of dust, water, etc.
  • Page 32 Tel. +34 91 6658280 - Fax +34 91 6657806 - info@clivet.es CLIVET GmbH Hummelsbütteler Steindamm 84, 22851 Norderstedt - Germany Tel. + 49 (0) 40 32 59 57-0 - Fax + 49 (0) 40 32 59 57-194 - info.de@clivet.com CLIVET RUSSIA Elektrozavodskaya st. 24, office 509 - 107023, Moscow, Russia Tel.

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