Unical DUA plus 30 mtank Installation And User Instruction Manual Download Page 27 | Manualshive

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Summary of Contents for DUA plus 30 mtank

Page 1: ...00333636 1st dition 09 2010 GB INSTALLATION AND USER INSTRUCTION MANUAL DUA plus 30 tank...

Page 2: ...caused by incorrect installation or use and or damage and or injury due to non observance of the manufacturer s instructions shall relieve UNICAL from any and all contractual and extracontractual liab...

Page 3: ...actor N stars based on the quality of water declared EN 13203 1 19 PMW Max pressure D H W system 20 T max Max temperature D H W system C Electrical features 21 Electrical power supply 22 Consumption 2...

Page 4: ...n efficiency measurement page 15 2 2 9 Gas supply line page 16 2 2 10 Hydraulic connections page 16 2 2 11 Electrical connections page 16 2 3 Electrical wirings page 17 2 3 1 Actual connection diagram...

Page 5: ...ic ignition it is supplied only in room sealed forced draught version and with electrically operated diverting valve It is foreseen for heating and domestic hot water production purposes The nominal o...

Page 6: ...ulation tank 4L 11 Micro accumulation temperature sensor 12 Extraction fan 13 Microswitch of the smoke pressurestat 14 Safety pressureswitch of smoke circuit 15 Air intake and smoke evacuation duct 16...

Page 7: ...er supply Tension Frequency Supply fuse Maximum absorbed output Insulation degree Net weight dry l min bar bar l C C l l bar bar l min l min l min l min l min l min l min C V Hz A F W IP kg Nominal ou...

Page 8: ...ry resulting from unauthorised adjustment or manipulation of the system s control or regulating devices 2 2 INSTALLATION 2 2 1 PACKAGING The Dua plus 30 tank boiler is delivered packaged in a strong c...

Page 9: ...when the boiler is in operation there are no special requirements to comply with NOTE Only if an air intake and smoke evacuation system with two separate ducts is used the smoke evacuation duct has t...

Page 10: ...lding I 1000 From the ground or from another floor L 1800 Between two vertical terminals M 1500 Between two horizontal terminals N 1000 NOTES 1 Terminals below a practicable balcony shall be arranged...

Page 11: ...ucts The distance between the air intake duct and the flue gas outlet duct must be at least 250 mm and both end sections must be located within a 500 mm square C42 Boiler designed for connection to co...

Page 12: ...boiler see fig 5 Type C32 The maximum allowed length of the coaxial vertical pipes is 5 meters included the roof terminal for each supplementary bend the maximum allowed length will be reduced by 1 m...

Page 13: ...of evacuation system cannot be higher than the value stated on the installation examples shown on page 14 For installations with two separate ducts whose pressure drop is lower than 30 pa it is necess...

Page 14: ...AND SMOKE EVACUATION fig 9 863 450 373 120 120 190 80 fig 16 Example N 1 _ 500 Hmin 150 mm Example N 1 Primary air intake from an outer wall and smoke evacuation through a roof terminal Maximum allowe...

Page 15: ...smooth ducts In both of the following examples the hypotized compositions of the intake and evacuation ducts are possible because the total pressure loss is lower than 50 Pa which is the maximum allow...

Page 16: ...seals must be checked before the pipes are covered The seal test must be conducted using air or nitrogen at a pressure of at least 100 mbar The commissioning of the boiler also includes the following...

Page 17: ...eswitch SBM Micro accumulation temperature sensor SE Outer sensor SR Heating temperature sensor SS D H W temperature sensor T A Room thermostat option TL Safety thermostat V Fan VG Gas valve NA NC COM...

Page 18: ...rd through the extractable cable gland E Pul out the terminal blockY2 and make the connections respecting the position and the colours The female faston of the earthing wire must be introduced on the...

Page 19: ...le Jumper on Standard supply position for a good working keep the jumper in this position T C 0 1 2 3 4 5 6 7 8 9 0 32755 31137 29607 28161 26795 25502 24278 23121 22025 20987 10 20003 19072 18189 173...

Page 20: ...er installation has been made in accordance with all the applicable regulations concerning water and gas installation smoke evacuation and electrical installation the flue gas exhaust duct and its ter...

Page 21: ...hted When the burner is ON check that the MAXIMUM pressure value corresponds to that indicated on the table NOZZLES PRESSURES Correct eventually the value rotating the nut C with a 10 mm open wrench f...

Page 22: ...ed fill in the label supplied with the kit with the information required and stick it onto the boiler alongside the data plate for conversion from LPG to natural gas remove the main burner disassemble...

Page 23: ...exchanger temperature below 2 C detected by the SR or SS sensors POSSIBLESOLUTION Cut the power supply close the gas valve and call the After Sale Service BOILERSTATUS The boiler is in lockout positio...

Page 24: ...of 35 C is reached By rotating completely CLOCKWISE this knob a maximum temperature of 65 C is reached 3 1 PANEL BOARD 3 D H W only With the mode selector in this position the boiler works for D H W...

Page 25: ...NICIANS SPECIAL FUNCTIONS LAMP FOR SERVICE PURPOSES The function of this GREEN LAMP is to indicate the activation of the SERVICE mode Continuous ON led Max output for 15 min Flashing led Minimum outpu...

Page 26: ...production only Select the SUMMER operation mode acting on the selector B Turn the temperature adjusting knob D on the desired value By CLOCKWISE rotation the maximum temperature is achieved WINTER m...

Page 27: ...27...

Page 28: ...g info unical ag com The Unical declines every responsibility for the possible inaccuracies if owed to errors of transcript or press Also reserves the right to bring those changes that it will hold ne...

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