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7

Technical features and dimensions

1.4 - OPERATIONAL DATA

For some data (NOZZLES - BURNER GAS PRESSURE - DIAPHRAGMS - INPUTS - GAS CONSUMPTIONS)
refer to paragraph ADAPTATION TO THE USE OF OTHER GAS on page 23.

See Data plate

9.55

0.5

3

8

85

35

10

185.7

0.5

6

13.5

12

9.1

10.1

11.6

13.5

16.3

35 - 55

230/50

4

143

X4D

51

Boiler category

Minimum water low rate in heating circuit (

D

T 20°C)

Minimum pressure in heating circuit

Maximum pressure in heating circuit

Water content of the primary circuit

Maximum operation temperature in heating mode

Minimum operation temperature in heating mode (*)

Expansion vessel total content

Maximum water content of the heating circuit (max. temp. 90°C)

Minimum pressure in the D.H.W. circuit

Maximum pressure in the D.H.W. circuit

Specific D.H.W. flow rate ( t 30°C according to EN 625)

Flow rate of the D.H.W. flow restrictor

Contiunuous D.H.W. production with  t 45 K

Contiunuous D.H.W. production with  t 40 K

Contiunuous D.H.W. production with  t 35 K

Contiunuous D.H.W. production with  t 30 K

Contiunuous D.H.W. production with  t 25 K

D.H.W. temperature adjustable between

Electrical power 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 output

Minimum output

Actual water efficiency at 100 % of nominal load

Minimum water efficiency required at 100 % of nominal load

Actual water efficiency at 30 % of nominal load

Minimum water efficiency required at 30 % of nominal load

Star number (according to Efficiency Directive 92/42/CE)

Combustion efficiency at 100 % of nominal load

Combustion efficiency at minimum load

Heat losses through the casing (min. / max.)

Maximum net smoke température (Ts- Ta)

Massive smoke flow rate (min. / max.)

Air exces (lambda)

CO

2

NOx (ponderal value according to EN 297/A3+EN 483)

NOx class (ponderal value according to EN 297/A3 + EN 483)

Chimney heat losses with burner in operation (min./max.)

Chimney heat losses with burner shut-off

kW

kW

%

%

%

%

n.

%

%

%

°C

g/s

%

%

mg/kWh

%

%

DUA plus 30

µ tank

29.95

13.9

93.03

92.95

92.52

90.43

94,78

91,53

1.87 - 1.75

78,7 - 93.7

14.27 - 16.33

41.72

3,8- 8.0

144

3

11.27 - 6.8

0.398

DUA plus 30 

(*)

µ tank

1.5 - GENERAL  SPECIFICATIONS

(*)  Warning: The utilisation of this type of boilers in the "floor heating systems" needs the use of specific equipments (e.g.:

UNICAL Thermic Module) to avoid all risks of smoke condensation within the boiler.

Содержание DUA plus 30 mtank

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 27: ...27...

Страница 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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