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Accorroni CVCX Series User& Installer's Manual

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CVCX

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Summary of Contents for Accorroni CVCX Series

  • Page 1 Hydronic Cassettes CVCX...

  • Page 3: Table Of Contents

    ENGLISH INDEX I. SECTION I: USER I. 1 DESCRIPTION ............................33 I. 2 ACCESSORIES AND SPARE PARTS ....................34 I. 3 INSTRUCTIONS FOR USE ........................35 I. 4 RAPID OPERATION GUIDE ........................38 I. 5 CLEANING THE UNIT..........................40 I. 6 PRECAUTIONS AND RECOMMENDATIONS ..................41 II SECTION II: INSTALLATION AND MAINTENANCE II.
  • Page 4 KEY TO SYMBOLS SYMBOL MEANING GENERIC DANGER! The GENERIC DANGER sign warns the operator and maintenance personnel about risks that may cause death, physical injury, or immediate or latent illnesses of any kind. DANGER: LIVE COMPONENTS! The DANGER: LIVE COMPONENTS sign warns the operator and maintenance personnel about risks due to the presence of live voltage.

  • Page 5: Section I: User

    I SECTION I: USER I. 1 DESCRIPTION The air conditioner is a cassette-type terminal air-handling unit (fan coil), for installation in false ceilings, with direct a inlet and outlet in the room. I. 1.1 CONDITIONS OF USE The unit is a fan coil for air handling (summer and winter us e) in domestic environments or similar.

  • Page 6: Accessories And Spare Parts

    Water circuit • Maximum water side pressure: 1400 kPa (142 m w.c.). • Minimum incoming water temperature: + 4°C. • Maximum incoming water temperature: + 80°C. Ambient air • Minimum temperature: 5°C (1). • Maximum temperature: 32°C. Note: (1) If the ambient temperature is likely to fall below 0°C, we recommend emptying the water system in order to prevent frost damage (see "Water Connections"...

  • Page 7: Instructions For Use

    – Outlet mouth closure (only for models HCA/(B) 60-80, HCA/4(B) 60-80-120). I. 2.3 CONTROLS SUPPLIED AS STANDARD • Remote control R51 with batteries. For instructions, please refer to paragraph I.3.1. 。 SETTIN G TEMP( ( C) AUTO HIGH COOL HEAT TEMP ON/OFF MODE...
  • Page 8 I. 3.1.1 Description of the remote control and relative functions (1) Transmits the infrared signals to the unit receiver. (2) Indicates the unit status and operating modes. (3) Makes it possible to switch the unit on and off. Press the key once to 。...
  • Page 9 I. 3.2 SWITCHING THE UNIT ON AND OFF ON/OFF Press the ON/OFF key to switch the unit on or off. When switching from ON to OFF the operating mode is interrupted and current time delays are cancelled, while the appliance and fan operating modes and the set temperature value are memorised. When switching from OFF to ON, the machine automatically restores all the operating modes memorised before it was switched off.

  • Page 10: Rapid Operation Guide

    I. 3.8 SETTING THE TIMER IMPORTANT! In order for the timer settings to have an effect, the remote control must ALWAYS be positioned near the unit (at a maximum distance of 8 metres) and be pointed towards the same. The TIMER function is not repetitive and must be set whenever you wish to use it. When the Timer ON-OFF function is selected, the unit may be switched on with a slight delay with respect to the programmed timer time.
  • Page 11 selected, the unit operates with a free temperature setting, progressively lowering the ambient temperature and humidity. When the dehumidification programme DRY is in operation, the FAN SPEED button cannot be used. I. 4.4 HEATING MODE To set the heating mode HEAT, proceed as follows: •...

  • Page 12: Cleaning The Unit

    MODE OPERATION TEMP. FANS LOUVERS Unit off AUTO Automatic 24°C Automatic speed Swing COOL Cooling 25°C Medium speed Swing HEAT Heating 22°C Medium speed Swing I. 4.8 UNIT ALARM (Compact cassette) If an alarm has been triggered by a fault that prevents the appliance from operating, the LEDs make it possible to establish the type of alarm.

  • Page 13: Precautions And Recommendations

    3) Clean the filter by removing the dust with a vacuum and then rinsing it under running water. Dry the filter and replace it correctly in the grille. Before replacing filter, make sure that it is clean and dry. If the filter is damaged, replace it with an original filter. I.

  • Page 14: Section Ii: Installation And Maintenance

    II SECTION II: INSTALLATION AND MAINTENANCE II. 1 TRANSPORT INSTRUCTIONS II. 1.1 PACKAGING, COMPONENTS DANGER! Do not open or tamper with the packaging until it is in the place of installation. The units should only be moved and lifted by specialist personnel trained in these operations. Follow the instructions below when removing the packaging: •...
  • Page 15 (*) models HCA(/B) 22-29-35-42, HCA/4(B) 22-35-50 (**) models HCA(/B) 60-80, HCA/4(B) 60-80-120 Models: HCA(/B) 22-29-35- 42 Models: HCA/(B) 60-80, HCA/4(B) 22-35-50 HCA/4(B) 60-80-120 (Unit: mm) C = Condensation drain W = Watter connections A v o id in s ta lla tio n in e n v iro n m e n ts w ith a m a rk e d p re s e n c e o f h ig h A v o id b lo c k in g th e a ir o u tle t o r in le t: fre q u e n c ie s .

  • Page 16: Installation Instructions

    A v o id u p h ill s e c tio n s o f th e c o n d e n s a tio n d ra in p ip e fa r fro m th e u n it. A v o id in s ta lla tio n in e n v iro n m e n ts w h e r e o il v a p o u rs a re p re s e n t.
  • Page 17 HCA(/B) 22-29-35-42, HCA/4(B) 22-35-50) and 900 x 900 mm (models HCA(/B) 60-80, HCA/4(B) 60-80-120). In the case of damp environments, insulate the hanging brackets with specific self-adhesive insolents. To close one or more of the air outlet mouths, use the specific KIT. ATTENTION! Do not close more than 2 mouths.
  • Page 18 D = cardboard template. FC = central reference hole. F1 = hole for securing the template to the unit. V = screws for securing the template to the unit (M5X16 for models HCA(B) 22-29-35-42, HCA/4(B) 22-35-50 / M6x16 for models HCA(/B) 60-80, HCA/4(B) 60-80-120.
  • Page 19 P o s itio n th e c onn e ctio n p ip e s in a d v a n c e , a s d e s c ribe d in pa rag rap h R e p la c e th e T -s e c tio n (if it ha d b e e n re m o v ed ). A lig n th e u n it w ith th e T - II.2 .5 .
  • Page 20 Tighten the four screws until the thickness of the sponge seal, placed between the frame and the body of the unit, has been reduced to 4-6 mm and the edge of the frame is substantially in contact with the false ceiling (a gap of under 5 mm): U = body of the unit, C = frame, 8 = false ceiling If there is still a gap between the frame and the false ceiling, it should be reduced by working on the brace nuts and...
  • Page 21 Tighten the four screws until the thickness of the sponge seal, placed between the frame and the body of the unit, has been reduced to 4-6 mm and the edge of the frame is substantially in contact with the false ceiling (a gap of under 5 mm): U = body of the unit, C = frame, 8 = false ceiling If there is still a gap between the frame and the false ceiling, it should be...
  • Page 22 Remove the external anti-condensation insulation, delimited by the punching, and remove the pre-cut sheet metal panels using a punch. Use a pencil to External air inlet draw round the internal polystyrene (7), and then cut it with a cutter, taking Air distribution in care not to damage the heat exchange coil behind it.
  • Page 23 HCA 22-29-35-42-60-80 HCA /4 22-35-50-60-80 -120 1 2 3 4 3 2 1 VALVE - C VALVE - H VALVE 1 Unit terminal board 2 Antifreeze thermostat 3 Speed variator 4 External fan motor 5 230 V relay For winter operation with external air supply, we recommend installing an antifreeze thermostat calibrated at 2°C, with the bulb on the water outlet pipe, which intercepts the supplementary fan.
  • Page 24 II. 2.5.2 Creating the water drain For regular condensation drainage, the drainpipe must be tilted downwards by 2%, with no bottlenecks. There should also be a siphon, with access for inspection, at least 50 mm down in order to prevent bad smells entering the environment.
  • Page 25 Regulation The water flow must be controlled: • by installing motorized valves supplied as an accessory or: • by installed motorized valves supplied by the installer. II. 2.5.6 Installation instructions for electro thermal valve with actuator The valve/actuator electrothermic set must be mounted on the unit after its installation, following the right schemas depending on the unit model.
  • Page 26 Connect the valve to the terminal board of the electric panel as illustrated in the wiring diagrams. NOTE: The valve assembly seal efficiency is tested in the factory. Any leaks in the system should therefore be attributed to incorrect installation. II.
  • Page 27 DANGER! Always install a general automatic switch in a protected area near the appliance with a characteristic delayed curve, sufficient capacity and breaking power. There should be a minimum distance of 3 mm between the contacts. Earth connection is compulsory by law and safeguards the user while the machine is in use. Make sure that the voltage and frequency of the electricity network correspond to 230V (±...

  • Page 28: Start-Up Instructions

    II. 2.6.2 Electrical connections in models HCA(/B) 60-80, HCA/4(B) 60-80-120 For models HCA(/B) 60-80, HCA/4(B) 60-80-120, the electrical panel can be accessed by opening the grille and removing the cover. HCA/4 60-80-120 HCA/B 60-80, HCA/4B 60-80-120 II. 2.6.2.1 Unit electrical connection Identify terminal board XT1 and connect the 230V - 50Hz single-phase power supply conductors.

  • Page 29: Maintenance Instructions

    5. The exchangers are clean; 6. The electrical connections are correct; 7. The screws holding the conductors are tightly fastened; 8. The power supply voltage is correct; 9. The motor-driven fan or electric heater absorption is correct and does not exceed the maximum permitted level; 10. The suction grille is not blocked by residual installation material and the filter is clean and correctly positioned.

  • Page 30: Instructions For Dismantling The Unit And Disposing Of Hazardous Substances

    ○ Remove the screws that secure the coil to the structure of the unit on both sides; ○ Extract the exchanger. • To replace the exchanger, proceed in reverse order. The electrical panel is easy to access by removing the cover panel. The inspection or replacement of the internal components, such as the motor-driven fan, the heat exchange coil, the condensation drain pump and the safety micro-float, require the removal of the condensation collection tray.
  • Page 32 A2B Accorroni E.G. S.r.l. - Via d’Ancona, 37 - 60027 Osimo (An) Tel. 071.723991 - Fax 071.7133153 - Web Site: www.accorroni.it - E-mail: a2b@a-2-b.it...

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