ACV Compact N1, Installation, Operating And Maintanance Instructions

Page 1: ...excellence in hot water Installation operating and maintenance Instructions N Mini N 1 N 2 N 3 07 09 2004 66401000 ...

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Page 3: ...6 Boiler room 6 Chimney connections 6 Fuel oil supply 6 Heating connection 7 Hot water connection 7 Electrical connections 8 Control kit 9 N NHR INSTALLATION WITH ACV CONTROL 10 BURNER CHARACTERISTICS 12 Description of the burner 12 Factory settings parameters 13 Burner dimension 13 COMMISSIONING 14 Filling the hot water and heating circuits 14 Using the boiler for the first time 14 MAINTENANCE 14...

Page 4: ...uct must be installed and serviced by qualified engineers in accordance with the regulations in force ACV declines all liability for any damage caused as a result of incorrect installation or in the event of the use of appliances or accessories that are not specified by ACV Failure to follow the instructions describing the test operations and procedures may cause injury to persons or risks of envi...

Page 5: ...ess the re start key with a pen or an object with a similar sharp point Replace the cover If the fault persists turn off the boiler and call a technician Pump operation The pump is controlled by a reset high limit thermostat which is located at the rear of the boiler This is pre set at 45 C When the boiler starts up it delays the activation of the boiler pump thereby preventing any risk of corrosi...

Page 6: ... pump This prevents any risk of corrosion in the combustion chamber Generation of domestic hot water Boiler N can be combined with the NHR tank 110 L superimposed with the boiler or with any other ACV tank DESIGN CHARACTERISTICS Outer body The outer body which holds the primary water is made from STW 22 heavy gauge steel Flue ways The boiler s flue ways can be accessed from the front and include a...

Page 7: ...rature Maximum temperature 90 C if the boiler is connected to a domestic hot water production tank DOMESTIC HOT WATER PERFORMANCE N NHR 110 L N 1 N 2 Operating conditions at 85 C Peak flow at 45 C ΔT 35 C L 10 236 236 Peak flow at 60 C ΔT 50 C L 10 145 145 GENERAL CHARACTERISTICS N Mini N 1 N 2 N 3 Input kW 18 4 22 0 28 0 30 4 40 0 40 0 57 0 Output kW 16 6 20 0 25 0 27 0 35 7 36 5 51 0 Pressure lo...

Page 8: ...iameter of the boiler s chimney reducer Chimney connector type B23 fig 6 The chimney must be connected to the boiler by means of a metal pipe rising at an angle from the boiler to the chimney A chimney connector is required fig 6 Boiler ventilation and B23 chimney connector Important note The above table is shown by way of indication only as regulations vary from country to country The high output...

Page 9: ...CONNECTION Pressure reducing valve If the mains water pressure exceeds 6 bar a pressure reducing valve calibrated to 4 5 bar must be installed Safety group The safety group of the water tank must be approved by ACV and calibrated to 7 bar the group s valve discharge must be connected to the drain Hot water expansion vessel Installing a hot water expansion vessel will prevent any risk of excess pre...

Page 10: ... present water tank must be provided with a separate earth The boiler must be isolated from the electrical supply before any work is carried out on it Electrical wiring of N boilers 1 Main switch 2 Summer Winter switch Thermal reset high limit thermostat 95 C 3 Control thermostat 60 90 C 4 Manual reset high limit thermostat 103 C max 5 Minimum thermostat 45 C T O D 6 Pump optional 7 Room thermosta...

Page 11: ...otor for 3 way valves QAC 32 Outdoor sensor Wall mounted case ACV 13 connecting wiring case SQK 349 servomotor SQK 349 electromechanical servomotor for 3 way valves Boiler Control BC 01 This control box is used to connect a single or dualfuel boiler to a heating system boiler without hotwater priority Boiler Control BC 03 The Boiler Control BC 03 controls a heating system boiler without domestic h...

Page 12: ...hermostat 2 Heating pump 3 3 way power operated valves 4 Boiler burner 5 NHR 110 L boiler 6 Electrical supply fig 13 Installation with 1 pump and one 3 way power operated valve BC 01 or BC 03 1 2 5 3 fig 12 Installation with two pumps BC 01 or BC 03 1 3 5 4 4 2 ...

Page 13: ...30 V 50Hz 1 3 4 11 8 9 6 5 7 t t 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 L1 T1 N T2 S3 Electrical connection of BC 01 with 2 pump 1 3 5 4 2 6 C T8 T6 T7 B5 T8 T6 T7 B5 230 V 50Hz 1 3 4 11 8 9 6 5 7 t t 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 L1 T1 N T2 S3 Electrical connection of BC 01 with one 3 way motorised mixer valve 1 pump 1 3 5 4 2 6 ...

Page 14: ...suspension system A special key is provided with the burner for any maintenance work needed The burner air pressure adapts to the pressure in the combustion chamber An automatic stop check valve stops the airflow when the boiler is turned off preventing it from cooling Silent and very reliable operation Adapts to the depth of the boiler with the adjustable nozzle clamp Three air regulation points ...

Page 15: ... pressure bar 13 5 10 5 10 Flue gas index 0 6 0 6 0 6 Louver regulation 3 4 5 4 Combustion head regulation 2 1 2 Weight Kg 12 12 12 fig 14 Electrode distance fig 15 Combustion head adjuster screw fig 16 Air flow adjuster screw fine tuning fig 17 fig 19 fig 18 BURNER DIMENSION A mm B mm C mm D mm E mm F mm G Ø mm L Ø mm LK Ø mm BM R 31 240 270 215 280 60 130 M 8 80 85 140 165 BM R 51 240 270 215 28...

Page 16: ...for the N Mini to open the burner chamber plate 2 5 Remove the insulating brick for the N Mini only 6 Remove the stainless steel turbulators 3 7 Brush the flue ways clean the chamber and vacuum up any soot deposits 8 Check the insulation of the burner chamber plate 4 9 Before reassembling clean the burner combustion head 5 10 Check that the thermostats and safety valves are working correctly 14 MA...

Page 17: ... 47405252 47405252 47405252 B10 Probe attachment spring 47438008 47438008 47438008 47438008 B11 Turbulators 50423098 50423097 50423097 50423098 B12 H D P E handle 49410280 49410280 49410280 B13 Flame inspection window 50423008 50423008 50423008 50423008 B14 Grommet 54428001 54428001 54428001 54428001 B15 Brass pocket Ø 1 2 L 100 mm 63438001 63438001 63438001 63438001 B16 Control panel self adhesiv...

Page 18: ...il pressure Comments Name and signature SERVICE NOTES Installation date CO2 max load Flue gas T Efficiency Fuel oil pressure Comments Name and signature Installation date CO2 max load Flue gas T Efficiency Fuel oil pressure Comments Name and signature Installation date CO2 max load Flue gas T Efficiency Fuel oil pressure Comments Name and signature Installation date CO2 max load Flue gas T Efficie...

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