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Related Manuals for AIT UNION Series
Summary of Contents for AIT UNION Series
- Page 1 H59604AIT UNION/SCULPTOR UNION/SCULPTOR...
- Page 2 AIT explicitly prohibits any operation on its machines and related accessories to non-professional users or private users; failure to comply with this prohibi- tion, in addition to voiding any warranty or liability of AIT in relation to its machines and / or accessories, could expose the non-professional user to serious or fatal risks.
- Page 3 AdaptiveFunction Plus The new adaptive regulation logic AdaptiveFunction Plus, is an exclusive AIT patent that is the result of a long period of collaboration with the University of Padua. The various algorithm processing and development operations were implemented and tested on the new UNION/SCULPTOR range in the R&D Laboratory of AIT by means of numerous test campaigns.
- Page 4 Splashes of nebulised liquid can produce frostbite. Probably not hazardous if absorbed through the skin. Repeated or prolonged contact may remove the skin's natural oils, with consequent dryness, cracking and dermatitis. Liquid splashes can cause frostbite. H59604AIT | © 2024 AIT...
- Page 5 Residual risk inherent in contact with moving parts, where the operator removes the fixed guards without switching off the machine or accesses the lower part without waiting for a suitable stopping time. H59604AIT | © 2024 AIT...
- Page 6 • remote machine controls: ON/OFF and summer/winter selector; • remote machine controls: compressor operating light and general lock light. o Programmable microprocessor electronic board handled by the keyboard inserted in the machine. o This electronic board performs the following functions: H59604AIT | © 2024 AIT...
- Page 7 Flow switch and hot wire heater protecting heat exchanger pumps and piping up to -20°C outdoor air. For units with DS and V3V set up Unit with copper/pre-painted aluminium condensation coils Unit with copper/copper condensation coils H59604AIT | © 2024 AIT...
- Page 8 Outdoor air temperature probe for set-point compensation (as an alternative to the outdoor temperature probe fitted), incompatible with the KEAP CS accessory Consult the price list or contact AIT to check the compatibility between the accessories H59604AIT | © 2024 AIT...
- Page 9 Heat exchanger inlet/outlet connections Ø 2" 2 x 2" 3 x 2" 4 x 2" DS E V3V inlet/outlet connections Ø 2" 2 x 2" 3 x 2" 4 x 2" Weight 1370 2055 2740 H59604AIT | © 2024 AIT...
- Page 10 SEER: Seasonal energy efficiency: low temperature cooling (EU Regulation 2016/2281) SCOP: Seasonal energy efficiency: low temperature heating in Average climate (EU Regulation No. 811/2013 and N. 813/2013) SCOP MT Seasonal energy efficiency: medium-temperature heating in average climate (Regulation (EU) No. 811/2013 and N. 813/2013) H59604AIT | © 2024 AIT...
- Page 11 125 Hz 250 Hz 500 Hz Lp 1m Lp 10m dB(A) 1 module 75,5 76,5 95,5 52,5 58,5 2 modules 78,5 79,5 68,5 55,5 UNION/SCULPTOR 10 3 modules 80,5 79,5 70,5 68,5 48,5 4 modules 81,5 82,5 71,5 58,5 62,5 H59604AIT | © 2024 AIT...
- Page 12 The units come out of the factory with the desuperheater - DS set in the “ECONOMY” mode. The change of mode can be done by contacting the AIT service.
- Page 13 From -3,1°C to -4°C From -2,1°C to -3°C From -1,1°C to -2°C From -0,1°C to -1°C From 0,9°C a 0°C From 1,9°C to 1°C From 2,9°C a 2°C From 3,9°C to 3°C From 4,9°C to 4°C H59604AIT | © 2024 AIT...
- Page 14 Recovery water inlet (DS accessory) or 3-way valve (V3V) Recovery water outlet (DS accessory) or 3-way valve (V3V) Power supply inlet Electric pump Condensate drain outlet Anti-vibration mounts (SAG accessory) Coil protection mesh (accessory RPB) Safety valve manifolds H59604AIT | © 2024 AIT...
- Page 15 Ensure the relevant spaces indicated below in order to avoid risks due to crushing by moving parts of the electrical panel and / or movable panels and to ensure adequate spaces for respect in the event of the safe recovery of personnel on site. 3.25. SPACES OF SAFETY, RESPECT AND POSITIONING SINGLE UNIT H59604AIT | © 2024 AIT...
- Page 16 Make sure that the lifting means has adequate capacity and technical characteristics for the load to be handled, and that there is no possibility of the lifting means overturning. DANGER! Do not lift the unit or move it outdoors in the presence of unfavorable weather conditions (wind, rain, ice, fog). H59604AIT | © 2024 AIT...
- Page 17 The units must be stored only in an outdoor environment and respecting the minimum distance A equal to 0.5m (compliant with the safety area "a" as per paragraph "Safety spaces, respect and positioning") from any potential source of ignition, flames and heat sources. H59604AIT | © 2024 AIT...
- Page 18 0.15 m/s according to EN 60079-10-1; condition to be understood with the machine switched off and in the absence of other ventilation systems). The following installation requirements generally ensure compliance with the minimum requirements of EN378-3: H59604AIT | © 2024 AIT...
- Page 19 Shut-off valves must be installed that isolate the unit from the rest of the system. Elastic connection joints and system/machine drain taps also need to be fitted. o It is mandatory to install a square metal mesh filter (longest side = 0.8 mm) of adequate size and pressure drops on the unit return pipes H59604AIT | © 2024 AIT...
- Page 20 The ends of the safety valve drain pipes shall be protected from the ingress of water or atmospheric condensation and shall face upwards. H59604AIT | © 2024 AIT...
- Page 21 In the event that the risk assessment requires the adoption of the safety valve drainage channeling, it is recommended to follow the instructions given in the following paragraphs regarding the safety valve channeling. They must have a section and length compliant with national laws and European direc- H59604AIT | © 2024 AIT...
- Page 22 The exhausts of the safety valves must be channelled outside to open air in compliance with the requirements below. In particular, the safety valve outlet must be positioned at a minimum height of 3m above floor level to ensure the safety of persons. H59604AIT | © 2024 AIT...
- Page 23 In case of breakage, the evaporator of the unit could release refrigerant into the hydraulic circuit. The installer is in charge of designing and protecting the hydraulic circuit by a safety valve located distant from possible triggering sources. 3.34. WEIGHT DISTRIBUTION UNION/SCULP- Weight Support 218,9 155,6 181,5 (*) Weight of empty units H59604AIT | © 2024 AIT...
- Page 24 (sewers), shafts, spaces for the passage of pipes, cable ducts or similar if not protected from the accumulation of flammable mixtures. Hydraulic set-ups PUMP installation The units are equipped with a pump. The unit's hydraulic circuit is complete with air bleed and drain valves. H59604AIT | © 2024 AIT...
- Page 25 • by means of the digital input: the request is assigned by a thermostat assembled by the installer. When the thermostat closes, the unit understands that there is a DHW request and, once the conditions have been verified, the procedure is activated to meet the DHW requirements H59604AIT | © 2024 AIT...
- Page 26 The delivery and return fittings towards the system are available with 2" connections. The kit is equipped with RAL9018 painted bonnet. Cable gland for wiring the power supply. IP 54 rate (E500500050 accessory) H59604AIT | © 2024 AIT...
- Page 27 Units are available with an antifreeze heater (ac- cessory) to keep the evaporator intact, should the temperature drop excessively. IMPORTANT! The unit must not be isolated from the electrical power supply during the entire seasonal stoppage. H59604AIT | © 2024 AIT...
- Page 28 DHW produced from the heat pump. If the unit is equipped with a DS desuperheater, this can be also active in winter mode. However, in this case, this value is deducted from the portion of heat from the hot water produced from the main heat exchanger. H59604AIT | © 2024 AIT...
- Page 29 The required set point can be configured from the panel together with the relative activation differential In this case, the probe must be accurately positioned and the maximum distance allowed respected due to the type of probes used. H59604AIT | © 2024 AIT...
- Page 30 • for a convenience criterion based on the costs of electricity and fuel (methane and butane); • for heat pump malfunction. 1 Unit 2 Inertial storage tank 3 Hydraulic circuit breaker 4 Boiler 5 Shut-off components not managed H59604AIT | © 2024 AIT...
- Page 31 Enhanced Mode: The unit operates normally, with the set-points thus modified: • In cooling the set-point is decreased by 1°C. • In heating mode the set-point is increased by 2°C. • In DHW mode, the set-point is increased by 5°C. H59604AIT | © 2024 AIT...
- Page 32 The electrical connection of the unit must be carried out by competent and authorized personnel in the field and in compliance with the regulations in force in the country of installation of the unit. AIT shall not be held liable for personal harm or property damage caused by incorrect electrical connection. In mak- ing the electrical connections to the board, cables must be routed so that they do not touch the hot parts of the machine (compressor, flow pipe and liquid line).
- Page 33 3.45.1. NOTE IMPORTANT! Machine commissioning or the first start up (where provided for) must be carried out by skilled personnel from workshops authorised by AIT, qualified to work on this type of products. IMPORTANT! The use and maintenance manuals of the fans and any safety valves are enclosed with this manual and should be read in their entirety.
- Page 34 Modify the connection of the machines ᐁ YES Does the connection terminate by discharging outside at ᐅ ᐅ Modify the position of the exhaust least 3m above ground level and away from ignition sources? ᐁ YES H59604AIT | © 2024 AIT...
- Page 35 AIT Service Center. sure transducers. Start-up procedure completed! Verification of the electrical connection for the management of groups of units START Does the unit need to be connected to the AIT integrated se- No operation quencer? H59604AIT | © 2024 AIT...
- Page 36 Always check that both wires are firmly welded to the connector and that this is properly inserted in the housing on the electronic board (see wiring diagram provided). In order to check the efficiency of the probe, use a precision thermometer immersed with the probe in a container full of water at a H59604AIT | © 2024 AIT...
- Page 37 IMPORTANT! Maintenance operations must be carried out exclusively by qualified personnel of the AIT authorized workshops, qualified to operate on this type of product. Pay attention to the hazard warnings in this manual and those placed on the unit. Use the personal protective equipment required by the laws in force and designed to prevent the risks, including residuals, indicated in this manual.
- Page 38 Replace the coils should it not be possible to clean them. Failure to clean the coils increases load losses and therefore reduces overall performance of the unit in terms of its flow arte. H59604AIT | © 2024 AIT...
- Page 39 IMPORTANT! Maintenance is reserved exclusively for skilled personnel from workshops authorised by AIT, qualified to operate on this type of products. Pay close atten- tion to the danger signs on the unit. Use the personal protective equipment foreseen by current laws. Pay the utmost attention to the symbols located on the unit.
- Page 40 This operation must be carried out by skilled personnel of au- Check that there are no gas leaks Every 6 months thorised AIT workshops, qualified to operate on this type of products. Check the functionality of the automatic deaerator (not sup-...
- Page 41 This symbol means that this product must not be disposed of with household waste. Properly dispose of the unit according to local laws and regula- tions. When the unit reaches the end of its useful life, contact the local authorities for information on disposal and recycling, or ask AIT to collect the used equipment free of charge.
- Page 42 Polystyrene elements PLASTIC COLLECTION Pallet, wooden boards, wooden crates SEPARATE WASTE COLLECTION Iron brackets, metal staples, stainless steel screws and washers, galva- METAL COLLECTION nised steel plates * Check the disposal methods with your local municipality H59604AIT | © 2024 AIT...
- Page 43 Clogged refrigerant fluid line filter (appears frosted) replace the filter Faulty control board replace the board and verify Irregular operation of the expansion valve check calibration, adjust operation, replace if necessary Irregular contactor operation check operation 8 - LOW OIL LEVEL H59604AIT | © 2024 AIT...
- Page 44 QE door, move away from the unit and wait for the end of the alarm. Then ap- Refrigerant Leak Alarm proach with a suitable portable detector to exclude the persistence of the leak in the area surrounding the unit. H59604AIT | © 2024 AIT...
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