Unical .it AQ Series Instructions For The Installer, Use And Maintenance Download | Manualshive

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Wiring diagram

230V

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Summary of Contents for .it AQ Series

Page 1: ... it AQ 20 24 28 33 INSTRUCTIONS FOR THE INSTALLER USE AND MAINTENANCE ...

Page 2: ... elderly disabled and animals The stove must be installed by authorised personnel Authorised Service Centre Diagrams and drawings are supplied as examples in an effort to pursue a policy of constant development and renewal of the product the manufacturer may perform the modifications considered appropriate without any prior notice It is recommended to wear gloves when the stove is at its maximum p...

Page 3: ...s resulting from partial or total failure to comply with the instructions contained herein We disclaim all liability resulting from misuse of the stove from incorrect use by the user from unauthor ised changes and or repairs from the use of non orig inal spare parts for this model The manufacturer disclaims any direct or indirect civil or penal liability due to Poor maintenance Failure to comply w...

Page 4: ...e with moist hands as it is an electrical appliance Always unplug the cord before operating on the unit The door must always be closed during opera tion Instructions for safe and efficient use The stove must be electrically connected to a system equipped with an earth conductor as re quired by regulations 73 23 EEC and 93 98 EEC The system must be adequately sized for the stove s stated electrical...

Page 5: ...r pellets If the it remains off for long periods of time the tank must be emptied from any residual fuel Store the pellets away from heat sources and not in humid premises or with explosive atmosphere It is strictly forbidden to use any solid or liquid fuel other than pellets to feed the it Parameter Diameter D Length L Water content M Ashes A 32 Mechanical durability DU Fine particles 3 15 mm Add...

Page 6: ... aria T2 Diametro andata T3 M Diametro Ritorno T4 S valvola sicurezza T5 carico T3 T4 T1 T2 T5 66 5 225 388 284 5 388 156 90 142 245 193 5 128 5 567 283 5 283 5 it AQ T1 flue gas exhaust pipe diameter T2 air inlet pipe diameter Flow Diameter T3 Return Diameter T4 T5 safety valve discharge ...

Page 7: ...ubo entrata aria T2 Diametro Mandata T3 Diametro Ritorno T4 S valvola sicurezza T5 carico T3 T4 T1 T2 T5 Dimensions it AQ T1 flue gas exhaust pipe diameter T2 air inlet pipe diameter Flow Diameter T3 Return Diameter T4 T5 safety valve discharge ...

Page 8: ... 96 71 94 56 95 79 94 03 95 79 Average consumption nom red Kg h 4 03 1 08 4 89 1 08 5 58 1 83 6 61 1 83 Heatable surface cu m 350 400 510 600 Flue gas flow rate nom red g s 10 1 4 5 12 9 4 5 15 1 7 9 18 6 7 9 Draft Pa 12 12 12 12 Flue gas temperature nom red C 99 1 62 1 109 2 62 1 72 3 62 1 72 3 125 2 Boiler water content litres 50 50 60 60 Expansion vessel capacity litres 8 8 8 8 Max operating pr...

Page 9: ...pped with external air intake and are not used as bedroom or bathroom and where there is no fire hazard such as garage wood sheds flammable material warehouses in strict compliance with the current rules Installation of the heat stove is not permissible in bedrooms bathrooms and where another heating appliance is already installed without independent air inflow fireplace stove etc Itisforbiddentop...

Page 10: ...here the heat generator is to be installed there must not be any pre existing hoods with extractor or collective type ventilation ducts nor may they be installed Should these appliances be in rooms next to and communicating with the installation room it is forbidden to simultaneously use the heat generator if there is a risk that one of the two rooms might be in a vacuum with respect to the other ...

Page 11: ...act qualified personnel who may then be responsible for system conformity according to the provisions of applicable laws System washing In compliance with standard UNI CTI 8065 and to protect the heating system from harmful corrosion scaling or deposits it is very important to wash the entire system before connecting the heat stove in order to remove residues and deposits After washing the system ...

Page 12: ...ckupandcleaning which must be done yearly Ensure a wind proof cowl is installed according to regulations in force Water connections Flue gas exhaust connection Filling up the heat stove After making all the water connections fill the heat stove to check tightness under pressure of all connections venting of any air in the system during this operation is assured by automatic venting The COLD fillin...

Page 13: ...m and the vertical branch between T fittings change of direction must not be less than 1 5m Check with adequate instruments that there is proper draft The base of the external vertical duct must be fitted with an inspection port for periodic check ups and cleaning which must be done yearly Perform airtight connection to the chimney with fittings and pipes recommended by the manufacturer Flue gas e...

Page 14: ... must be filled from the top of the stove by opening the lid Pour the pellets into the tank To make the procedure easier perform the operation in two steps pour half of the sack content into the tank and wait for the fuel to settle at the bottom complete the operation by pouring the second half After filling the pellets always keep the fuel tank lid closed The burn pot must be cleaned before each ...

Page 15: ... clean the glazed door is closed the plug is plugged in and the switch at the rear is in position 1 The LED is on when parameter UT0 1 in the menu is other than OFF thus setting the weekly or daily program SET LED SYMBOL DESCRIPTION The LED is enabled every time the pellets are being filled The LED flashes when the panel receives a temperature power change signal from the infrared remote control T...

Page 16: ...it at Po 9 for the first hours of stove operation To adjust water temperature press button once only The upper display will show the words Set H2o flashing while the water temperature is shown on the lower display To adjust the room temperature press the button twice the lower display will show the words SET AIR flashing whereas the set temperature is shown on the upper display Use buttons and to ...

Page 17: ...ure to prevent detecting incorrect temperatures The probe is located at the rear of the stove When using the internal thermostat it is recommended to always set a slightly higher temperature by a few degrees e g 22 C if you wish to have 20 C in the room because the probe is in any case affected by the stove s hot structure The external thermostat is not included with the stove and is at the user s...

Page 18: ...mostat e g 18 C the heat stove gets ready for automatic re ignition and then starts operating until reaching 20 C again Regardless of external thermostat operation the heat stove is fitted with an internal thermostat that works as follows Stove in modulation mode Upon reaching the set temperature the heat stove will modulate power to the minimum that is for as long as power is required again If de...

Page 19: ...to 7 Selection of days of the week when third time is ac tivated UT14 From 00 00 to 23 50 with 10 minute steps Adjust fourth time of heat stove ignition UT15 From 00 00 to 23 50 with 10 minute steps Adjustment of fourth heat stove extinction time UT16 Between on off for days from 1 to 7 Selection of days of the week when fourth time is activated UT01 Enable and disable chronothermostat and set cur...

Page 20: ...e room thermostat does not imple ment the function of cycling the heat stove on and off but sets it to saving mode with buttons and with 10 minute steps Press button to move to the next parameter UT07 Select days of the week Press the button to select the days of the week whereas by pressing button you enable ON or disable OFF the heat stove ignition day as shown in the following table Chronotherm...

Page 21: ...AIL are displayed when the pressure switch is triggered Manually reset water temperature safety thermostat if the water temperature exceeds the safety value set at 100 C heat stove operation stops immediately and the display reads ALAR SIC FAIL The thermostat must be manually reset to restart it RESET WATER Electrical safety the heat stove is protected against sudden current surges e g lightning b...

Page 22: ...temperature lower than 5 C the circulation pump activates automatically to prevent system freezing it is forbidden to tamper with safety devices The heat stove may be ignited and operation restored only after removing the cause of the safety trip Refer to the chapter on alarms to understand how to interpret each alarm that should be displayed by the heat stove The safety devices Pump anti block fu...

Page 23: ... disconnected Contact the authorised service centre ALAR ALAR ALAR ALAR ALAR ALAR COOL ALAR ALAR ALAR ALAR SERV HOT TEMP The flue gas temperature exceeds 280 C Flue gas probe fault Contact the authorised service centre FAN FAIL DEP FAIL SIC FAIL PRESS Flue gas extractor fault or block Obstructed flue Excessive water temperature It indicates that the system pressure is lower than 0 5 bar or higher ...

Page 24: ...let filling gearmotor fault The stove continues operating until it processes any pellets in the burn pot after which the display reads Alar No Fire and the stove enters extin ction mode Press the On Off button to reset the alarm Wait for the cooling cycle to be complete clean the burn pot and proceed with a new ignition These alarms remind you that before performing ignition one must ensure the bu...

Page 25: ...er Cleaning exhaust T Flue gas duct Ash pan holder gasket Internal parts Flue Circulation pump Plumbing components Electrical mechanical components by the user by the TSC authorised technical Support Centre All cleaning operations of all parts must be carried out with stove completely cold and electrical plug disconnected to prevent burns and shocks The stove requires little main tenance if it is ...

Page 26: ...ck up Reduced or lack of cleaning may cau se failed ignition resulting in damaging the heat stove and the environment possible emissions of non combusted mate rial and soot Do not put any pellets that failed to light back into the burn pot Exchanger cleaning with stove off Scaling acts as insulation and the thicker it is the lower the heat conveyed to water and the structure in general It is there...

Page 27: ... vitrifies If these effects occur it means that the temperatures that have been reached are well above those at which the appliance should work correctly Do not use abrasive or aggressive pro ducts or materials Clean with a moistened paper tissue or cotton cloth Check every 7 days Cleaning the lower ash pan It is recommended to clean the ash pan from residues dropped during operation The ash pan m...

Page 28: ...e ignition difficult when it is ignited again in the new season If when the main switch at the rear of the stove is pressed the panel board display does not come on this means that it might be required to replace the service fuse At the rear of the stove is a fuse compartment that is under the power supply socket Open the cover of the compartment with a screw driver and replace the fuse 3 15 AT de...

Page 29: ...he stove structure The upper section of the heat exchanger is now free from any encumbrance so it can be cleaned perfectly Once a year it is recommended to also clean the compartment above the exchanger To perform proper cleaning it is recommended to vacuum the ash remove all the horizontal joints with a screw driver then vacuum the ash again Heat stove maintenance and cleaning The operation may b...

Page 30: ...ust be performed by a skilled technician or by the user who will take on responsibility for them in the event of any damage during maintenance Perform this maintenance with cold heat stove and powered off This maintenance is at the customer s expense if it is performed by an authorised service centre Using aggressive detergents or thinners can damage the stove surfaces Before using any type of det...

Page 31: ...h a slight appearance and the tip is not pointing up 1 Poor adjustment which leads to excessive pellet load low fan speed 2 The flue has obstructions or there is pressure hindering regular flue gas exhaust 1 Readjust the stove 2 Clean the flue and check the pressure switch that measures correct flue vacuum Flame thickened and oversized orange yellow in colour with dark tips 1 Incorrect combustion ...

Page 32: ...e door is not properly closed or the gaskets are worn 5 Water tank temperature too high 6 Inadequate pellets 7 Poor pellet infeed 8 Combustion chamber dirty 9 Exhaust obstructed 10 Faulty flue gas extraction motor 11 Faulty or defective pressure switch 1 Fill pellet tank If it is first ignition the fuel might not be able to be fed in time and in the programmed quantity when going from the tank to ...

Page 33: ...rol panel The convection air fan never stops 1 Temperature control probe faulty or defective 2 Faulty fan 1 Check probe operation and if necessary replace it 2 Check motor operation and if necessary replace it In automatic position the stove works always at maximum power 1 Room thermostat in maximum position 2 Faulty temperature probe 3 Faulty or defective panel board 1 Set thermostat temperature ...

Page 34: ...sary replace it 2 Vent the radiators No hot water is fed out 1 Blocked circulating pump 1 Release the circulating pump The heat stove starts boiling in the modulation stage that is when it reaches the set temperature on the stove thermostat 1 You have set an exceedingly high thermostat value 2 You have set an exceedingly high power for the system 1 Lower the temperature in the boiler 2 Reduce the ...

Page 35: ...35 Wiring diagram 230V mains filter SCAM THERM OUT ...

Page 36: ...rmore it reserves the right to modify its products as deemed necessary or useful without affecting their essential features 46033 casteldario mantova Italy tel 39 0376 57001 telefax 39 0376 660556 info unical ag com export unical ag com www unical eu AG S p A 00335580 2 nd edition 03 15 www unical eu ...

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