Immergas NIKE Mini 24 Export Скачать руководство пользователя страница 43

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Содержание NIKE Mini 24 Export

Страница 1: ...ini 24 28 Export Compact instantaneous wall hung conventional ﬂue boilers NIKE Mini 24 28 Export NIKE Mini 24 S Export NIKE Mini 24 S Export Compact wall hung conventional ﬂue boilers for central heating only ...

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Страница 3: ...ace with display panel and push buttons With the new electronics the boiler can be connected to the Remote Digital Control for controlling the boiler remotely with the utmost ease and also integrates the timer room thermostat boiler diagnostics and delivery temperature ther moregulation functions The boiler is ﬁtted with a safety antifreeze system as a standard feature that protects it against tem...

Страница 4: ...ng and controlling the appliance burner ignition temperature setting ﬂame modulation and diagnostics which by means of a digital interface complete with display and push buttons lets you see and adjust the operating parameters With the new electronics the appliance can be connected to the Remote Digital Control for controlling the boiler remotely with the utmost ease and also integrates the timer ...

Страница 5: ...main dimensions and connections Legend G Gas supply AC Domestic hot water outlet AF Cold water inlet R System return M System delivery V Electrical connection NIKE Mini 28 main dimensions and connections Height mm Width mm Depth mm 740 450 310 Connections GAS DOMESTIC WATER SYSTEM G AC AF R M 3 4 1 2 1 2 3 4 3 4 Height mm Width mm Depth mm 745 450 250 Connections GAS DOMESTIC WATER SYSTEM G AC AF ...

Страница 6: ...Technical Documentation NIKE Mini 24 S main dimensions and connections Legend G Gas supply RR System ﬁlling R System return M System delivery V Electrical connection Height mm Width mm Depth mm 745 450 250 Connections GAS WATER SYSTEM G RR R M 3 4 1 2 3 4 3 4 ...

Страница 7: ...lue safety thermostat 7 Draught diverter 8 Delivery probe 9 Overheating safety thermostat 10 System expansion vessel 11 Combustion chamber 12 Circulator boiler 13 3 bar safety valve NIKE Mini 24 main components 14 Automatic by pass 15 Motorised 3 way valve 16 Draining valve 17 Primary exchanger 18 Ignition and detection electrodes 19 Automatic air vent 20 D h w exchanger ...

Страница 8: ...lue safety thermostat 7 Draught diverter 8 Delivery probe 9 Overheating safety thermostat 10 System expansion vessel 11 Combustion chamber 12 Circulator boiler 13 3 bar safety valve NIKE Mini 28 main components 14 Automatic by pass 15 Motorised 3 way valve 16 Draining valve 17 Primary exchanger 18 Ignition and detection electrodes 19 Automatic air vent 20 D h w exchanger ...

Страница 9: ...e gauge 6 Flue safety thermostat 7 Draught diverter 8 Delivery probe 9 Overheating safety thermostat 10 System expansion vessel 11 Combustion chamber 12 Circulator boiler NIKE Mini 24 S main components 13 3 bar safety valve 14 Automatic by pass 16 Draining valve 17 Primary exchanger 18 Ignition and detection electrodes 19 Automatic air vent ...

Страница 10: ... push button to reduce system water temperature 7 Boiler pressure gauge 8 D h w functioning mode Control panel 9 Visual display of temperatures and error codes 10 Unit of measure 11 Central heating functioning mode 12 Winter 13 Summer 14 Power supplied 15 Flame presence Note for the NIKE Mini 24 S version Although push buttons 3 and 4 for setting the domestic hot water temperature and push button ...

Страница 11: ...probe 9 Overheating safety thermostat 10 System expansion vessel 11 Automatic air vent 12 Circulator boiler 13 Automatic by pass 14 Delivery manifold 15 Draining valve G Gas supply RR System ﬁlling R System return M System delivery NIKE Mini 24 S hydraulic circuit central heating only The primary circuit with relevant control and safety devices is triggered each time there is a request for central...

Страница 12: ...alve 15 which when idle allows the water to ﬂow to the d h w exchanger 14 while if a central heating request is made it deviates the ﬂow to the system s delivery M and return R pipes Legend 1 D h w ﬂow switch 2 Flow limiter 3 Filling valve 4 Gas valve 5 Burner 6 Primary exchanger 7 Draught diverter 8 Flue safety thermostat 9 Delivery probe 10 Overheating safety thermostat 11 System expansion vesse...

Страница 13: ...t the circulator is working which depending on the position gives the system a bigger or smaller head The characteristic curves are shown in the following graphs A Head available to the system at third speed with automatic by pass B Head available to the system at second speed with automatic by pass NIKE Mini 28 NIKE Mini 24 24 S Head m H 2 O Flow rate l h Head kPa A B A B Head m H 2 O Flow rate l...

Страница 14: ...livery the central heating NTC delivery probe 6 and the overheating safety thermostat 2 are located The four pipes it is made of are connected in series 1 It is connected to the circulator delivery and to the primary circuit delivery by means of push ﬁtted pipes 3 and O rings 5 and locked with forks 4 The exchangers of the 24 and 28 versions diﬀer in the number of ﬁns 80 in the 24 24 S version and...

Страница 15: ...utter 4 moves into both positions The hydraulic part consists of a brass unit 2 Operation in the central heating mode The shutter s 4 counteracting spring 3 is not compressed central heating position keeping passage to the d h w plate exchanger closed and passage to the system delivery open Both the spring 3 and shutter 4 are located inside the 3 way brass body 2 Operation in the d h w mode The st...

Страница 16: ...es from the boiler circuit It is mounted on the circulator delivery directly on the pump unit 2 3 bar safety valve 5 This valve prevents the safety pressure being exceeded in the primary circuit 3 bar It ﬁtted on the front of the pump unit 2 and ﬁxed on the outside by means of a fork When this valve triggers water exits from the boiler return pipe Expansion vessel 8 It compensates for variations i...

Страница 17: ...there might be in the boiler circuit It is mounted on the circulator delivery directly on the pump unit 2 3 bar safety valve 5 This valve prevents the safety pressure being exceeded in the primary circuit 3 bar It is ﬁtted at the front of the pump unit 2 and ﬁxed on the outside with a fork When this valve triggers water exits from the boiler return pipe Expansion vessel 8 It compensates for variat...

Страница 18: ...the central heating system is pre vented while it is allowed in the plate exchanger inside which the domestic cold water absorbs the heat from the primary circuit water see d h w exchanger So in this phase central heating is oﬀ domestic hot water having priority The water water heat exchange occurs inside the d h w ex changer 3 which is secured to the d h w inlet 1 and outlet 2 body with screws Th...

Страница 19: ...o start the domestic hot water priority phase It consists of two parts one in brass and one in plastic that are coupled together and locked with a pin A G1 4 thread on its body connects it to the ﬁlling unit 3 An 7 1 l min 2 bar for model 24 and a 9 2 l min 2 bar ﬂow limiter 1 for model 28 is installed at the ﬂow switch exit D h w exchanger It is a water water exchanger made of stainless steel pla...

Страница 20: ...cted in parallel and powered by the power main tension via a relevant con nector 2 Gas circuit In Honeywell VK 4105 valve they are connected in series and powered by electric main tension rectiﬁed by a diode bridge U1 located inside the connector 2 see electric layout Modulating coil 1 This is a low voltage coil controlled by the integrated board It controls the gas valve stabiliser and allows the...

Страница 21: ...some domestic hot water after having set its temperature using the keys on the panel on maximum Turn the brass nut 3 clockwise to increase pressure to the burner and counter clockwise to reduce it Setting maximum pressure NIKE Mini S Using the keys on the panel set central heating temperature on maximum after having set ignition ramp timer on minimum see integrated board programming or if there is...

Страница 22: ... done after setting maximum pressure After turning power oﬀ to the modulating coil turn the brass nut 2 clockwise to increase pressure to the burner and in the opposite direction to reduce it Converting the gas type There are special kits for adapting to a type of gas diﬀerent from the standard one the boilers are intended for natural gas or LPG Conversion consists in changing the burner nozzles a...

Страница 23: ...E6 Flue safety thermostat F1 Line fuse F2 Neutral fuse JP1 Boiler type selector M1 Circulator M30 3 way valve motorised S2 Functioning push button S3 Block reset push button S4 D h w ﬂow switch S20 Room thermostat optional S21 D h w temperature increase push button if enabled to work S22 D h w temperature reduction push button if enabled to work S23 Central heating temperature increase push button...

Страница 24: ...een drawn this switch acts on the integrated board provoking operation in the domestic hot water mode When idle it enables operation in the central heating mode D h w ﬂow switch S4 for combi versions only Interrupted contact Control and safety devices It resets the boiler subsequent to the triggering of the ignition failure safety device the overtemperature safety device electrome chanical contact...

Страница 25: ... primary circuit delivery water If it breaks the burner stops working both in the central heating or d h w mode It is located at the main exchanger outlet Delivery probe B1 NTC probe 10 kohm 25 C It is powered by the integrated board with a variable continuous current It permits varying of the gas pressure to the burner Gas valve modulator Y2 Loads It enables operation in the central heating mode ...

Страница 26: ...4 and fumes thermostat E6 and if the temperature measured by the NTC delivery probe B1 is below the value set on the boiler s control panel energises the request relay K2 that causes the 2 contacts to close which allows the ignition cycle to start ﬁrst of all triggering the ignition electrode E1 and then both the gas valve coils Y1 Burner ignition is detected by the integrated board by means of th...

Страница 27: ...re measured by the NTC delivery probe B1 is below the d h w value set on the boiler s control panel or on the CRD if mounted the integrated board powers the boiler circulator M1 by means of the K3 relay and with the deviation of the K1 relay contact powers the motor M of the 3 way valve M30 which keeps working until limit switch 3 opens when the d h w position is reached The integrated board enabl...

Страница 28: ...unctioning mode with the S2 push button the boiler is enabled to work in the central heating mode When the room thermostat S20 closes the integrated board powers the boiler circulator M1 by means of the K3 relay The integrated board enabled by the safety thermostat E4 and fumes thermostat E6 and if the temperature measured by the delivery probe B1 is below the value set on the boiler s control pan...

Страница 29: ...emperature of 85 C is reached factory set with ﬁxed set point By way of parameter P3 D h w set point it is possible to make the burner switch oﬀ opening of the K2 relay contact at the set temperature correlated set point Antifreeze request When the temperature measured by the central heating delivery probe B1 drops below 4 C the board enables ignition and keeps the boiler working with the burner a...

Страница 30: ...r opera tion in the d h w mode which is given priority over the system heating phase D h w ﬂow switch S4 for combi versions only Closed d h w request It is a resistor that varies in an inversely proportionate way to the temperature of the primary circuit delivery water It is also used as a limit thermostat 90 C Delivery probe B1 NTC probe 10 kohm 25 C It is a switch with free contacts that closes ...

Страница 31: ...l control CRD optional It is a unipolar relay that is excited simultaneously with the K2 relay when its operation is requested Relay K4 It is a 230 V ac signal indicating that the gas valve s main coils Y1 are energised Powering the gas valve Y1 230 Vac coils energised 0 Vac coils not energised It is a high voltage signal higher than 16 kV that determines an electrical discharge at the end of the ...

Страница 32: ...boiler in the Stand by position or cutting power oﬀ to the circuit No ignition block If the overtemperature safety thermostat contact opens boiler operation is blocked To get the boiler working again press the Reset button S3 and then make either a d h w or central heating request Safety thermostat block E4 To prevent the water gas exchanger from overheating at the end of each central heating an t...

Страница 33: ...Boiler powered without a ﬂame Display powered Boiler in the central heating mode Symbol 11 on Boiler in the d h w mode Symbol 8 on Burner lit Symbol 15 on Chimneysweep function ongoing Symbols 8 and 11 ﬂash simultaneously Digital user interface The appliance is adjusted and controlled burner ignition temperature setting ﬂame modulation and diagnostics by a p c b that can be used to display and set...

Страница 34: ...probe malfunction 05 Orange 05 Parasite ﬂame 20 Red 20 Insuﬃcient circulation 27 Orange 27 CRD oﬄine malfunction or not compatible 31 Orange 31 Operating malfunctions indicated In the event of a failure or malfunction the illumination of the NIKE Mini 24 28 24 S display panel changes colour going from green to orange if the problem can be rearmed electrically or from green to red if the problem ca...

Страница 35: ...re set In the on mode boiler ignition for heating domestic water occurs when the temperature of the water inside the storage tank drops 11 C compared to the temperature set NOTE whatever mode is selected the boiler always switches oﬀ at a set point value Domestic hot water thermostat Range of settable values Parameter on boiler ignition at 11 C P3 oF boiler ignition at 3 C standard setting Up to A...

Страница 36: ...ange of settable values Parameter from 1 to 10 10 10 minutes Standard setting 1 30 seconds P8 Boiler type By selecting this parameter you can choose the mode for the type of boiler in use instant single heating boiler 0 dual heating boiler 1 or single heating boiler with stor age tank 2 in the case of combining NIKE Mini 24 S with a separate storage tank NOTE depending on the selection made also m...

Страница 37: ... if installed detects the conditions that require operation in the central heating mode Power one Boiler functioning knob on Summer or Winter Enabling integrated board operation The functioning knob Summer or Winter position enables boiler operation in the d h w mode Closing the d h w ﬂow switch Drawing domestic hot water Ú Ú Ú Ú Ú Ú Ú Ú Powering the gas valve coils With the enable of the overtemp...

Страница 38: ...re for nominal ﬂow rate Minimum dynamic pressure d h w circuit Max d h w circuit pressure Minimum ﬂow rate for d h w Flow rate for continuous service T 30 C Speciﬁc ﬂow rate T 30 C Boiler weight full Boiler weight empty bar C C l bar l kPa m H2 O kW kcal h C l min bar bar bar l min l min l min kg kg 3 90 38 85 4 5 1 0 2 7 17 6 1 79 23 6 20296 30 60 7 1 1 0 0 3 10 2 0 11 2 11 4 32 7 30 Electrical c...

Страница 39: ...Speciﬁc ﬂow rate T 30 C Boiler weight full Boiler weight empty bar C C l bar l kPa m H2 O kW kcal h C l min bar bar bar l min l min l min kg kg 3 90 38 85 4 5 1 0 2 9 22 55 2 30 27 6 23736 30 60 9 3 1 5 0 3 10 2 0 12 8 13 2 33 9 31 Electrical connection Nominal power draw Electric power installed Circulator power draw Electrical insulation degree V Hz A W W 230 50 0 42 95 81 IPX4D G20 G30 G31 Fume...

Страница 40: ... Available head with 1000 l h ﬂow rate Domestic hot water adjustable temperature only in case of combining with hot water storage tank Boiler weight full Boiler weight empty bar C C l bar l kPa m H2 O C kg kg 3 90 38 85 4 5 1 0 2 4 17 6 1 79 20 60 32 4 30 Electrical connection Nominal power draw Electric power installed Circulator power draw Electrical insulation degree V Hz A W W 230 50 0 33 75 7...

Страница 41: ...14 49 147 8 1 47 19 11 195 0 16 3 14000 1 93 5 75 58 7 1 44 13 57 138 4 1 42 17 94 183 0 15 7 13500 1 87 5 38 54 8 1 39 12 68 129 3 1 37 16 80 171 3 15 1 13000 1 80 5 02 51 2 1 34 11 82 120 6 1 32 15 70 160 1 14 5 12500 1 74 4 67 47 6 1 29 11 00 112 2 1 28 14 64 149 3 14 0 12000 1 67 4 34 44 3 1 25 10 21 104 1 1 23 13 61 138 9 13 4 11500 1 61 4 02 41 0 1 20 9 46 96 4 1 18 12 62 128 8 11 0 9500 1 3...

Страница 42: ... 86 22 73 231 8 20 3 17500 2 41 7 03 71 7 1 79 16 11 164 3 1 77 20 57 209 8 19 2 16500 2 27 6 31 64 3 1 69 14 50 147 9 1 67 18 51 188 8 18 0 15500 2 14 5 63 57 4 1 60 12 95 132 1 1 57 16 55 168 8 16 9 14500 2 01 4 99 50 9 1 50 11 47 117 0 1 47 14 69 149 8 15 7 13500 1 88 4 40 44 8 1 40 10 07 102 7 1 38 12 92 131 8 14 5 12500 1 74 3 84 39 2 1 30 8 72 89 0 1 28 11 25 114 8 13 4 11500 1 61 3 33 33 9 ...

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