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Servicing

11.5 Pressure Losses of Chimney Flue Elements in Case of NAOS K4 Boiler Usage

Maximal pressure of fan 150Pa

Multi-piece Chimney Flue - Burnt Gases

Code

Name

Loss in Pa

PPSB48

Angle piece 45°

1.1

PPSB98

Angle piece 87°

1.7

PPRM18

Tube 1m

3.4

PPSAS8

Chimney plastic head - starr (a set]

2.5

Multi Piece Chimney Flue -
Suction

Code

Name

Loss in Pa

PPSB48

Angle piece 45°

0.8

PPSB98

Angle piece 87°

1.2

PPRM18

Tube 1m

2.5

Concentric Chimney Flue

Code

Name

Loss in Pa

LPBK45

60/100

Angle piece 45°

5.3

LPBK95

60/100

Angle piece 87°

7.5

LPRK15

60/100

Tube 1m

21.9

LPZTK5

60/100

LIK T-piece for air inlet

APASK5

60/100

LIK tube piece for façade chimney flue

10.5

DPDS45

60/100

Roof extension (a set)

29.8

LPBK48

80/125

Angle piece 45°

1.5

LPBK98

80/125

Angle piece 87°

2.1

LPRK18

80/125

Tube 1m

5.4

LPZTK8

80/125

LIK T-piece for air inlet

1.5

APASK8

80/125

LIK tube piece for façade chimney flue

3.5

DPDS48

80/125

Roof extension (a set)

9.1

LPKK01

60/100-80/125

LIK boiler reducer

Содержание NAOS K4

Страница 1: ...NAOS K4 Manual for boiler operation and installation GB_2014_24 ...

Страница 2: ... the boiler screen 14 5 2 INFO mod 15 5 3 Parameter setting 16 5 3 1 Setting the hot water temperature 17 5 3 2 Setting the temperature of water to the heating system 17 5 3 3 The SUMMER WINTER switch version K4G2S24XX and K4G3S24XX 18 5 3 4 Temporary activation 18 5 3 5 Setting the anti cycling period PR10 19 5 3 6 Setting the pump rundown PR11 20 5 3 7 Setting the heating curve K factor PR15 21 ...

Страница 3: ...e Gas Ducting 37 11 1 Flue gas ducting examples of correct connection of flue duct and air supply 39 11 2 Flue gas ducting examples of incorrect connection of flue duct and air supply 39 11 3 STARR D80 and FLEX 80 system connection 39 11 3 1 STARR 2 x D 80 mm flue ducting diagram 40 11 3 2 FLEX 2 x D 80 mm flue ducting diagram 41 11 4 LIK 60 100 80 125 system connection 42 11 4 1 Diagram for flue ...

Страница 4: ...nt producer it is necessary to use a system with identical parameters as for the certified type of the chimney flue 2 Boiler Application and Benefits The NAOS K4 condensing boiler has been designed for combustion of low pressure natural gas The size of the condensing boiler is suitable for heating of family houses and recreational facilities as well as for reconstruction of heat sources in individ...

Страница 5: ...ion heating water output Js heating water input to the heater Js return heating water input Js return water input from the heater Js condensate outlet mm Ø 25 safety valve output mm Ø 21 2 gas inlet Js 3 4 Connecting voltage 1 N PE 230VAC 50 Hz TN S El power input including pump W 110 El covering IP 40 Tab No 2 Thermal technical parameters comparison conditions 15 C and 101 325 kPa dry gas K4G1S24...

Страница 6: ...next to the boiler If the heating system is in a large distance from the boiler the pressure relief valve may be placed at the place of the system branching with advantage The pressure relief valve ensures also the required minimal flow through in the boiler in a case of radiator valves closing Values of the maximal overpressure have been also stated in the graph They are intended for the individu...

Страница 7: ...red to as HSW heater NAOS K4G3S24XX version with a circulation pump and a three way valve ready to be used in combination with a reservoir type hot water heater The SIT automatics is an electronic control and ignition automatics designed for gas fired central heating boilers with a modulated fan and burner with preliminary mixing The combustion air inlet and the flue gas outlet may be implemented ...

Страница 8: ...General Information 8 Remove the bolts 1 Remove the binding strip 2 Pulling the cover side detach the Velcro strip 3 Remove the front cover Fig no 3 Removing the boiler front cover ...

Страница 9: ...as valve 5 siphon 6 safety valve 7 circulation pump 8 gas supply pipe 9 bleeder valve 10 boiler electronics 11 burner plate 12 heating water temperature sensor 13 mixer 14 safety thermostat 15 ignition electrode 16 ionization electrode 17 boiler frame 18 exchanger 19 fan 20 expansion tank 21 name plate 22 boiler front cover 23 pressure gauge Fig no 4 The NAOS K4 boiler assembly version shown K4G2S...

Страница 10: ...diagram of the version and the sketch of the hydro block 1 condensing exchanger 2 input of return water to the exchanger 3 pump 4 input of return water to the pump 5 heating system radiators 6 output of hot water from the exchanger 7 input of hot water to the radiators 8 three way valve 9 flow type water heater 10 input of water to the flow type water heater 11 output of water from the flow type w...

Страница 11: ...er 13 relief valve of the heater 14 input of water to the heater Fig no 7 NAOS K4G3S24XX the boiler version hydraulic diagram of the version and the sketch of the hydro block 4 4 A diagram showing flue gas flow in the exchanger Fig no 8 A diagram showing flue gas flow in the exchanger first heat exchange water output 50 C water input 30 C flue gas after water condensation condensation partition co...

Страница 12: ...d accessory is not included in the boiler standard price 4 5 Instructions before Putting into Operation The boiler can only be commissioned by organizations that are authorized and trained for this purpose by the manufacturer The installation shall comply with the regulations that are applicable for this equipment The boiler shall be compatible with the local connecting conditions checking the par...

Страница 13: ...or Setting the required temperature of hot water and system water temperature is performed by using buttons 1 4 on the boiler control panel When the higher level regulation is used this option is blocked on the boiler and temperatures can be set using the room instrument only 5 1 1 Activation of the boiler The boiler is energized even after turning off and the electronics ensures anti freezing pro...

Страница 14: ...own Preheating of the hot water circuit Shown only when this function is active Boiler in the winter mode the primary circuit temperature is shown HSW heating current HSW temperature is shown Accident protection active bP temperature flashing Heating water heating current temperature is shown Heating water temperature setting other symbols not shown Ignition of the burner Higher level regulation c...

Страница 15: ...ured by the outside sensor B9 if connected d2 x 0 1 K factor d3 x 0 1 Offset of the heating curve K factor see diagram no 3 d4 C Temperature computed on the basis of the outside sensor d5 C Water output temperature d6 C Return water temperature not shown for the NAOS boiler in the SIT version d7 C Actual temperature HW d8 C Flue gas temperature d9 x 100 rpm Fan revolutions Ex 44x100 4400 dc Softwa...

Страница 16: ... sensor connected Water temperature to the system is computed based on the outside temperature and setting of the heating curve K factor For changing the values see chapter 5 3 7 and 5 3 8 Boiler with the outside sensor and the room thermostat connected Water temperature to the system is computed based on the outside temperature and setting of the heating curve K factor For changing the values see...

Страница 17: ...will switch to the normal mode 5 3 2 Setting the temperature of water to the heating system When the OPENTHERM higher level regulation is connected the screen shows the current temperature Changing the hot water temperature setting is done by the room device When the outside sensor is connected the temperature of water to the heating system is computed based on the outside temperature Screen Descr...

Страница 18: ...d hold it for 2 s Winter mode Summer mode 5 3 4 Temporary activation Temporary activation of the boiler for heating of water to the heating system only when the system is equipped by the outside sensor This setting is used to force the boiler to heat water to the heating system The boiler will be in operation for a period not longer than 24 h or until switching back to the normal mode Screen Descr...

Страница 19: ...iler is turned on 10 s Switch the boiler to the parameter setting mode by simultaneous pressing of buttons 3 4 and 5 for a period of 10 s The screen will show PR 01 Set the required parameter on the screen using button 3 or 4 Set the parameter PR 10 on the screen using button 3 or 4 2s Switch the boiler to the value setting mode by simultaneous pressing of buttons 3 and 5 for a period of approx 2 ...

Страница 20: ...od of 10 s The screen will show PR 01 Set the required parameter on the screen using button 3 or 4 Set the parameter PR 11 using button 3 or 4 2s Switch the boiler to the value setting mode by simultaneous pressing of buttons 3 and 5 for a period of approx 2 s The default setting for rundown period is 1 min The setting range is 0 600 s The shown value needs to be multiplied by 6 i e 10 x 6 60 s Fo...

Страница 21: ...OPENTHERM Screen Button pressing time Description or Switching to the servicing mode shall be done when the boiler is turned on 10 s Switch the boiler to the parameter setting mode by simultaneous pressing of buttons 3 4 and 5 for a period of 10 s The screen will show PR 01 Set the required parameter on the screen using button 3 or 4 Set the parameter PR 15 using button 3 or 4 2s Switch the boiler...

Страница 22: ...rve Opentherm Shifting of the heating water output temperatures While the K factor will set the slope of the heating curve shifting of the heating curve will increase or reduce the heating water output temperature within the entire regulation range by the set value The set value is in C The maximum setting range is 15 C to 15 C Screen Unit Description or Switching is done when the boiler is turned...

Страница 23: ...s kept at an increased temperature so that the time necessary for hot water heating is reduced to minimum In certain situations the mode may increase gas consumption Screen Description or Switching is done when the boiler is turned on Simultaneously press down button 1 and 2 The preheating system is activated Simultaneously press down button 1 and 2 to deactivate the system The preheating system i...

Страница 24: ...uccessful igniting of the boiler Blocking of the flue gas temperature sensor due to high temperature of the flue gas 120 C Blocking switching safety thermostat off Failure of flame indication symbol is flashing Blocking unspecified failure Failure of NTC sensor of return water not used Pump failure or low pressure in system Temperatures difference higher than 40 C Failure of fan revolutions contro...

Страница 25: ...ects can be placed built or suspended near the boiler and flue gas ducting a safe distance of the appliance from flammable materials in the main radiation direction is 50 mm and 10 mm in other directions If any building reconstructions are performed in the close vicinity of the boiler turn off the boiler with a sufficient lead time and protect it from polluting Avoid cleaning of the boiler by flam...

Страница 26: ...send a notification on commissioning of the NAOS condensing gas boiler in writing to the manufacturer not later than 20 days upon commissioning to the following address VIADRUS a s Bohumín Bezručova 300 in accordance with act no 458 2000 Coll on the Conditions for Doing Business and Exercising State Administration in the Energy Sectors and amending certain acts the Energy Act and ČSN 38 6405 chang...

Страница 27: ...uctors by colours or numerals Procedure provisions ČSN 33 1500 Electrical regulations revision of electrical equipments ČSN 33 2000 1 ed 2 Low voltage electrical installations Part 1 Fundamental principles assessment of general characteristics definitions ČSN 33 2000 4 41 ed 2 Low voltage electrical installations Part 4 41 Protection for safety Protection against electric shock ČSN 33 2000 5 51 ed...

Страница 28: ...pipelines for operating pressure greater than 5 bar for industrial and non industrial use Part 1 Detailed functional requirements for design materials construction inspection and testing Act No 458 2000 Coll on Business Conditions and Public Administration in the Energy Sectors and on amending certain acts the Energy Act 10 2 Possible Placement The installation and operation of the boiler shall co...

Страница 29: ...re Examples of building materials and products included in the reaction to fire Extract from ČSN EN 13501 1 A1 A1 incombustible granite sandstone concrete bricks ceramic tiles mortars fireproof plasters A2 combustible with difficulty acumin izumin heraklit lignos boards and basalt felt fibreglass boards B hardly combustible Beech and oak wood hobrex boards plywood werzalit umakart sirkolit C D med...

Страница 30: ...tion can be efficiently used even for this system but it is necessary to expand this system with a corresponding expansion tank The condensing boiler is equipped with a Willo three speed pump Setting of the pump speed shall correspond with the requirements of the heating system so that the hydraulic system is balanced Connecting to the HSW heating system and to the gas pipe is implemented through ...

Страница 31: ...let to the heating system for water filling The heating system shall have a sufficient number of venting points The lowest point of the heating system shall be equipped with a drain valve 10 5 Gas Connection Prior to connecting the gas pipeline to the boiler the gas pipeline shall be tested and subjected to revision inspection After connecting the boiler to gas pipeline all gas connections shall b...

Страница 32: ...e SIT OTMA hydro block versions outlet water sensor NORDGAS TP01BH1REV HSW sensor version 2 NORDGAS TP02BH1IEV HSW sensor version 3 10 kΩ THERMOSTA T Opentherm thermostat Version 1 pump Wilo connector pressure gauge sensor 2 6 3 Version 2 pump Wilo connector pressure gauge sensor 2 x 6 3 flow switch 2 x 6 3 three way valve 3 x 6 3 Version 3 pump Wilo connector pressure gauge sensor 2 x 6 3 three w...

Страница 33: ...ry of the boiler Fig no 16 Wiring of the room thermostat Fig no 17 Wiring of the higher level regulation regulator with OPENTHERM communication Fig no 18 Power mains 230VAC Room thermostat Room instrument OPENTHERM Power mains 230VAC Room thermostat Room instrument OPENTHERM Power mains 230VAC Room thermostat Room instrument OPENTHERM ...

Страница 34: ...nly for version K4G3S24XX reservoir B3 K4G2S24XX boiler version with a flow type heater Sensor B3 measures temperature of outlet water from the flow type heater and included in the boiler delivery K4G3S24XX boiler version hot water sensor B3 is used only for version K4G3S24XX reservoir Fig no 19 Boiler wiring diagrams Hot water HSW sensor External sensor Hot water HSW sensor External sensor Hot wa...

Страница 35: ... 10 External sensor 11 Water flow sensor 12 Water pressure sensor 13 Output temperature sensor 14 Exchanger thermostat 15 Safety thermostat 16 Room instrument OPENTHERM 17 Room thermostat 18 Panel with LCD screen Fig no 20 Boiler electrical equipment wiring diagram bk black bu blue bn brown rd red wh white vt purple og orange ye yellow gn green gnye green yellow ...

Страница 36: ...0 A6 ROOM INSTRUMENT OPENTHERM E1 IGNITION ELECTRODE E2 IONIZATION ELECTRODE V1 GAS VALVE SIGMA 848 MV1 FAN Q1 PUMP V10 THREE WAY VALVE P1 WATER PRESSURE SWITCH P2 WATER PRESSURE SENSOR BT SAFETY THERMOSTAT BT1 EXCHANGER THERMOSTAT BT2 ROOM THERMOSTAT B2 OUTPUT TEMPERATURE SENSOR B3 HOT WATER SENSOR B8 FLUE GAS SENSOR B9 EXTERNAL SENSOR ...

Страница 37: ...ler delivery It is necessary to maintain a 3 inclination to the boiler The pressure loss for the flue gas exhaust shall not exceed 150 Pa The total pressure loss is the sum total of individual losses of the parts described in this chapter The boiler shall only be installed together with wind protective equipment which meets the requirements of EN 1856 1 See Annex N For removal of flue gases throug...

Страница 38: ... with a side of 50 cm and the distance between the planes of two openings shall be lower than 50 cm Version C4 A boiler in version C whose ducting or adapter is connected to the joint shaft Terminal outlets of these ducts are either concentric or they are located so close one to the other that they are subject to the same climatic conditions The boiler shall be installed with the shortest possible...

Страница 39: ...n of flue duct and air supply Fig no 23 11 2 Flue gas ducting examples of incorrect connection of flue duct and air supply Fig no 24 11 3 STARR D80 and FLEX 80 system connection Fig no 25 1 exchanger reducer piece 2 flue gas removal measuring piece 3 air supply pipe ...

Страница 40: ...ipe with socket Inspection T piece Inspection door Pipe with socket Foot elbow starr 87 with anchoring LIB pipe piece with flange Inspection T piece Pipe with socket Inspection T piece with drainage Elbow 45 Inspection T piece with change of direction Inspection elbow 87 Boiler reducing piece centric Inspection T piece with drainage and change of direction Long John siphon for overpressure ...

Страница 41: ... capital flex complete set Plastic chimney capital starr complete set Universal distance clamp Inspection door Ventilation grill Inspection T piece flex starr Inspection T piece flex flex Flexible pipe Adapter starr flex Foot elbow starr 87 with anchoring Inspection T piece with drainage and change of direction flex Long John siphon for overpressure Adaptor starr flex 87 ...

Страница 42: ...the terminal part of the LIK system for connection to the NAOS boiler the outside air supply pipe shall be by 35 mm shorter than the flue gas removal pipe It is necessary to ensure a gap of 10 15 mm between the exchanger and the air supply pipe to ensure air supply to the boiler When the flue duct diameter is 80 125 mm the diameter of the connecting piece is 60 100 mm Then the diameter needs to be...

Страница 43: ... capital starr complete set LIK pipe piece with flange Adjustable LIK pipe piece with clamp LIL wall clamp LIK inspection T piece with measuring opening LIK inspection T piece with drainage LIK elbow 45 LIK inspection T piece with change of direction and measuring opening LIK elbow 87 LIK elbow 87 short LIK inspection elbow 87 with measuring opening LIK pipe with socket LIK measuring piece with 2 ...

Страница 44: ...98 80 Angle piece 87 1 2 PPRM18 80 Tube 1m 2 5 Concentric Chimney Flue Code DN Name Loss in Pa LPBK45 60 100 Angle piece 45 5 3 LPBK95 60 100 Angle piece 87 7 5 LPRK15 60 100 Tube 1m 21 9 LPZTK5 60 100 LIK T piece for air inlet 5 APASK5 60 100 LIK tube piece for façade chimney flue 10 5 DPDS45 60 100 Roof extension a set 29 8 LPBK48 80 125 Angle piece 45 1 5 LPBK98 80 125 Angle piece 87 2 1 LPRK18...

Страница 45: ...ctric power mains Check the gas distribution line after the gas valve Check the safety valve function Then check the pump operation During the operation of the boiler it is necessary to check removal of the condensate from the boiler and also from the chimney lining if applicable During the first start of operation of the boiler it is necessary to train the user in accordance with this manual and ...

Страница 46: ...nual servicing inspection Bleeding valve of exchanger During bleeding use for example a silicon hose of ø 6 and a small container to protect boiler electronics from water leakage Loosen a screw at the valve If the system is being breathed air starts coming out from the exchanger At the moment when water starts coming out the exchanger is deaerated So the screw might be retightenend Repeat this pro...

Страница 47: ...re in the heating system needs to be adjusted according to the designing documentation 12 2 Boiler Setting Boiler emissions Natural gas CO2 minimum boiler output CO2 value 8 5 nominal boiler output CO2 value 8 5 Propane CO2 minimum boiler output CO2 value 9 5 nominal boiler output CO2 value 9 5 When the set parameters do not correspond with the values shown above follow the instructions in the Ser...

Страница 48: ... current water temperature in the boiler heating circuit Using buttons 3 and 4 it is possible to set the output LP Minimum output in the hot water heating mode hP Minimum output to the heating system cP Maximum output to the heating system dP Maximum output in the hot water heating mode For deactivation of the chimney sweeper function press down buttons 3 4 and 5 simultaneously The screen will sho...

Страница 49: ...ding on the fuel type the connection between the gas supply 4 and the Venturi tube 1 is equipped with a diaphragm 2 Natural gas diaphragm diameter 6 7 mm Propane diaphragm diameter 4 3 mm Note 3 sealing Note 5 Gas valve Software for propane fuel must be dowloaded ...

Страница 50: ...sure sensor flow meter 02 water pressure sensor flow switch 03 water pressure switch flow meter Pr 03 Pump control Dependence determines Pr 01 00 pump still at maximum power 01 pump still at maximum power 02 pump output is automatically controlled Pr 04 Zones control Dependence determines Pr 01 00 not used 01 not used 02 not used 03 not used Pr 05 Gas type 00 00 G20 01 G25 02 Fam L 03 Fam LL 04 G3...

Страница 51: ...ed 01 reverse measured 02 TBD 03 3 C 30 30 C T maintained between outlet and reverse Pr 19 User Interface Dependence determines Pr 01 00 UI 585561 bar C 01 UI 585561 bar F 02 UI 585520 Pr 20 23 Not used Pr 24 Zones activation only when Pr 01 or 02 when both zones are required 15 0 30min Pr 25 45 Pr 26 80 K4G2S24ZX version only Pr 27 Heating temperature MIN 25 25 45 C Pr 28 Service inspections 12 0...

Страница 52: ...ns Main points of the inspection Check of liquids leakage from boiler s joints Check of pressure in the expansion tank Check of the adjustment of CO2 of the gas valve emission should be performed 1 x per year Disassembling of the burner and check of exchanger and electrodes state Check of siphon clogging for condensate discharge Bleeding of the exchanger Check of chimney flue Attention Before you ...

Страница 53: ...l packaging unit EN 13429 NO 3 1 Recovery by material recycling ensure recyclability in all terms of the standard for the functional packaging unit EN 13430 YES 3 2 Recovery in the form of energy ensure that calorific gain is achievable for the functional packaging unit EN 13431 YES Iron NO 3 3 Recovery by composting ensure compost ability in all terms of the standard for the functional packaging ...

Страница 54: ... Service organization stamp and signature Mandatory service inspection after 2 years of operation Date Service organization stamp and signature Mandatory service inspection after 3 years of operation Date Service organization stamp and signature Mandatory service inspection after 4 years of operation Date Service organization stamp and signature Mandatory service inspection after 5 years of operat...

Страница 55: ...tificate for the Customer User A record of warranty and after warranty repairs and regular annual product inspections performed Date of entry Activity performed Contracted service organization signature stamp Customer s signature ...

Страница 56: ...NAOS K4 VIADRUS a s Bezručova 300 735 81 Bohumín telefon 596 083 050 fax 596 082 822 e mail info viadrus cz www viadrus cz ...

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