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Table of Contents
Related Manuals for Viadrus NAOS K4
Summary of Contents for Viadrus NAOS K4
- Page 1 NAOS K4 Manual for boiler operation and installation GB_2014_24...
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Page 2: Table Of Contents
Table of Contents page General Information Produced Versions of the Boilers ......................4 Boiler Application and Benefits ........................ 4 Technical Data ............................5 Boiler Description ............................ 7 Boiler Design ............................7 Control Features ..........................7 Main Boiler Parts ..........................9 A diagram showing flue gas flow in the exchanger ................ - Page 3 Diagram for flue gas ducting of the LIK type, version 60/100 mm (max. length 5 m), or 80/120 ............................ 43 11.5 Pressure Losses of Chimney Flue Elements in Case of NAOS K4 Boiler Usage ......44 Commissioning ............................45 12.1 Instructions before Putting into Operation ..................
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Page 4: Produced Versions Of The Boilers
3: with a three-way valve with a pump Conversion of the NAOS K4 boiler from natural gas to propane and vice-versa can be performed by a contracted service provider only. Chimney flue made by ALMEVA has been certified for this boiler. If you use chimney flue made by a different producer, it is necessary to use a system with identical parameters as for the certified type of the chimney flue. -
Page 5: Technical Data
General Information Technical Data Tab. No. 1 Sizes, operation temperature and electrical variables Fuel type Propane Propane Propane Category of appliance Version Weight [kg] 27.5 26.5 Water volume Boiler dimensions – width [mm] – depth [mm] – height [mm] Ø of combustion air connection [mm] Ø... - Page 6 General Information Volume Flow through of Heat Transfer Media, Water [litters per an hour] Diagram no. 1 A diagram of the boiler heating circuit hydraulic loss If the central heating system is fitted by thermostatic valves, it is necessary in order that their correct function was ensured and noisiness was restrained.
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Page 7: Boiler Description
The boiler is an appliance in version C, i.e., a closed appliance with electronic ignition and flame ionization. Control Features electronic panel with the control panel circulation pump output setting switch valve for adding water to the heating system Fig. no. 2 The NAOS K4 boiler control panel... - Page 8 General Information • 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...
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Page 9: Main Boiler Parts
18 exchanger safety valve 19 fan circulation pump 20 expansion tank gas supply pipe 21 name plate bleeder valve 22 boiler front cover 10 boiler electronics 23 pressure gauge Fig. no. 4 The NAOS K4 boiler assembly (version shown - K4G2S24XX) - Page 10 General Information condensing exchanger heating system (radiators) input of return water to the exchanger output of hot water from the exchanger pump input of hot water to the radiators input of return water to the pump filling valve Fig. no. 5 NAOS K4G1S24XX with only water heating for the system (hydraulic diagram of the version and the sketch of the hydro-block) condensing exchanger...
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Page 11: A Diagram Showing Flue Gas Flow In The Exchanger
General Information condensing exchanger three-way valve input of return water to the exchanger filling valve pump 10 output of hot water from the heater input of return water to the pump 11 refilling of water to the system heating system (radiators) 12 reservoir type water heater output of hot water from the exchanger 13 relief valve of the heater... -
Page 12: Delivery And Accessory
Delivery and Accessory The NAOS K4 boiler is delivered as assembled on a pallet, packed in a carton cover. Flue gas ducting is delivered in accordance with the customer requirements based on the actual connection of air inlet and flue gas outlet (see chapter 11). -
Page 13: User
User Boiler Attendance by the User Description of the control panel + HSW temperature up - HSW temperature down + heating water temperature up - heating water temperature down Switch, switchover summer/winter, RESET, confirmation of selection flame indication call the servicing engineer boiler may be unlocked by pressing the RESET button (switch) -
Page 14: Values Shown On The Boiler Screen
User Screen Description Stand-by mode To turn on the boiler press down the main switch button (5) and hold it for some time. For switching the boiler to the summer mode see chapter 5.3.3 To turn off the boiler press down the main switch button (5) and hold it for some time (5 sec). -
Page 15: Info Mod
User INFO mod Information messages shown on the screen that are used for checking the boiler parameters. Multiplier, Screen Description units For entering the Info Mode press down button 3 and 5 simultaneously and hold them down for 5 s Scrolling in the Info Menu by the + and –... -
Page 16: Parameter Setting
User Parameter setting The boiler control varies depending on connecting the boiler to the heating system Setting the hot and Boiler (terminal) wiring Heating Description Hot water heating water diagram) water temperature Boiler without the room device Boiler control panel and without the outside sensor. -
Page 17: Setting The Hot Water Temperature
User 5.3.1 Setting the hot water temperature 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. Screen Description Change the temperature setting when the boiler is turned on. Set the desired temperature using button 3 or 4. -
Page 18: The Summer/Winter Switch (Version K4G2S24Xx And K4G3S24Xx)
User 5.3.3 The SUMMER/WINTER switch (version K4G2S24XX and K4G3S24XX) Setting the boiler for summer and winter operation. When the boiler is switched to the summer mode the requirement for heating of water to the system is ignored. Screen Description Stand-by mode. To activate the boiler by press down the main switch button (5) and hold it for some time. -
Page 19: Setting The Anti-Cycling Period (Pr10)
User 5.3.5 Setting the anti-cycling period (PR10) This parameter is used to prevent frequent starting of the boiler to the heating system. This is the minimum period of time for which the requirement for heating to the system will be ignored. The default setting is 3 min. -
Page 20: Setting The Pump Rundown (Pr11)
User 5.3.6 Setting the pump rundown (PR11) This parameter is used to set the pump rundown. The default setting for the rundown 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. Button Screen pressing... -
Page 21: Setting The Heating Curve K-Factor (Pr15)
User 5.3.7 Setting the heating curve K-factor (PR15) When the outside sensor is connected to the boiler the temperature of water to the heating system is computed on the basis of the outside temperature and the value of the set K-factor °C °C °C... -
Page 22: Shifting Of The Heating Curve (Opentherm)
User Button Screen pressing Description time For switching back without changing the parameters simultaneously press down buttons 4 and 5. Press To confirm the set value press shortly button 5 on the shortly main switch To exit the setting mode simultaneously press down 10 s buttons 3, 4 and 5 for 10 s 5.3.8 Shifting of the heating curve (Opentherm) -
Page 23: The „***" (Tri Star) Mode For Hot Water Preheating
User 5.3.9 The „ “ (tri star) mode for hot water preheating This is used to accelerate the start of hot water heating on the versions that are equipped with a flow-type heater. (K4G2S24XX), during operation the boiler is kept at an increased temperature so that the time necessary for hot water heating is reduced to minimum. -
Page 24: Failures
User Failures 5.4.1 Failures shown on the boiler screen The boiler is equipped by diagnostics for troubleshooting. The description of errors is stated further in the tables. Failures might be divided into 3 categories: • Failures which do not require resetting and after their correction, the automatics will switch over to operational state without operators’... -
Page 25: Maintenance
User Maintenance Before cleaning always turn off the equipment. The plastic cover of the product does not require any extensive maintenance. The cover of the boiler can be wiped off by a dry cloth or by a cloth dipped in a detergent lotion. Never use solvents or abrasive agents for cleaning of the boiler surface. -
Page 26: Instructions For Product Disposal After Its Service Life
Warranty and Liability for Defects VIADRUS SpA provides an extended warranty on the NAOS boilers for 72 months from the date of putting into operation and a maximum of 76 months from the date of shipment from the VIADRUS a.s. -
Page 27: Placement And Installation
Servicing Placement and Installation 10.1 Standards and regulations The heating system shall be filled with water meeting the requirements of ČSN 07 7401 and especially the water hardness shall not exceed the required parameters. Recommended values Hardness mmol/l mmol/l Concentration of total Fe + Mn mg/l (0.3)* *) recommended value... -
Page 28: Possible Placement
Servicing f) to the gas distribution EN 1775 Gas supply. Gas pipework for buildings. Maximum operating pressure less than or equal to 5 bar. Functional recommendations EN 12007-1 Gas supply systems - Pipelines for maximum operating pressure up to and including 16 bar - Part 1: General functional recommendations EN 12007-2 Gas supply systems - Pipelines for maximum operating pressure up to and... -
Page 29: Boiler Installation
Servicing Placement of the boiler with respect to fire regulations: A safe distance from flammable materials: − when installing and operating the boiler it is necessary to keep a safe distance of 200 mm from the materials of combustibility grade A1, A2, B and C (D); −... - Page 30 Servicing NOTICE: The manufacturer recommends installing water filter to the heating system. … heating water outlet …condensate outlet …safety valve outlet …gas inlet …filling valve …system water filling inlet … heating water inlet Fig. no. 11 NAOS K4G1S24XX – Boiler connections, bottom view of the boiler …...
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Page 31: Connecting To The Heating System And Water Filling
Servicing 10.4 Connecting to the Heating System and Water Filling Water for filling the boiler and the heating system must be clear and colorless, with no suspended substances, oil and chemically aggressive substances. The parameters of circulation and refilling water shall meet: The highest permissible heating water values according to ČSN 07 7401 Hardness... -
Page 32: Boiler Electrical Wiring
Servicing 10.9 Boiler Electrical Wiring 10.9.1 Main components of boiler electrical equipment THERMOSTA flue gas temperature sensor Opentherm thermostat exchanger sensor HSW sensor emergency (version 3) thermostat 10 kΩ ignition electrode outlet water sensor HSW sensor (version 2) watching electrode NORDGAS NORDGAS TP01BH1REV... -
Page 33: Connecting Terminal
Servicing 10.9.3 Connecting terminal Wiring of the connecting terminal for a boiler without higher-level regulation (standard delivery of the boiler): Power mains 230VAC Room thermostat Room instrument OPENTHERM Fig. no. 16 Wiring of the room thermostat: Power mains 230VAC Room thermostat Room instrument OPENTHERM Fig. -
Page 34: Wiring Of The Sensors
Servicing 10.9.4 Wiring of the sensors wiring of the sensor depends on the type of the used room instrument the connection of which is necessary for using the function of equithermal regulation Hot water sensor B3 is used only for version K4G3S24XX (reservoir). Hot water (HSW) sensor External sensor K4G2S24XX boiler version with a flow type heater. - Page 35 Servicing black blue brown white purple orange yellow green gnye green-yellow 1. 1. Power mains 230VAC, 10. External sensor, 2. Three-way valve, 11. Water flow sensor, 3. Pump, 12. Water pressure sensor, 4. Gas valve SIGMA 848, 13. Output temperature sensor, 5.
- Page 36 LEGEND: CONNECTING TERMINAL BOX CONTROL BOARD SIT 0.585.104 CONTROL UNIT SIT UI585520 ROOM INSTRUMENT OPENTHERM IGNITION ELECTRODE IONIZATION ELECTRODE GAS VALVE SIGMA 848 PUMP THREE-WAY VALVE WATER PRESSURE SWITCH WATER PRESSURE SENSOR SAFETY THERMOSTAT EXCHANGER THERMOSTAT ROOM THERMOSTAT OUTPUT TEMPERATURE SENSOR HOT WATER SENSOR FLUE GAS SENSOR EXTERNAL SENSOR...
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Page 37: Flue Gas Ducting
The boiler shall be installed together with the necessary accessories (pipeline for the combustion air supply and flue gas exhaust). The approved and recommended flue ducting versions for the NAOS K4 boiler made by ALMEVA are as follows: • Star D80mm •... - Page 38 The chimney shall be equipped with a special lining designed for the condensing boilers and a condensate outlet from the chimney. For the NAOS K4 boiler it is possible to use a plastic lining with temperature resistance 120 °C made e.g. by ALMEVA.
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Page 39: Flue Gas Ducting - Examples Of Correct Connection Of Flue Duct And Air Supply
Servicing 11.1 Flue gas ducting – examples of correct connection 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 exchanger reducer piece flue gas removal, measuring piece air supply pipe... -
Page 40: Starr, 2 X D 80 Mm Flue Ducting Diagram
Servicing 11.3.1 STARR, 2 x D 80 mm flue ducting diagram Plastic chimney capital starr (complete set) Rain-protection collar Terminal pipe without socket Universal distance clamp Pipe with socket Inspection T-piece Inspection door Pipe with socket Foot-elbow starr 87° with anchoring LIB pipe piece with flange Inspection T-piece... -
Page 41: Flex, 2 X D 80 Mm Flue Ducting Diagram
Servicing 11.3.2 FLEX, 2 x D 80 mm flue ducting diagram Rain-protection collar Terminal pipe without Option 1 socket Option 2 Terminal pipe flex Plastic chimney capital flex (complete set) Plastic chimney capital starr (complete set) Universal distance clamp Inspection door Ventilation grill Inspection T-piece flex/starr... -
Page 42: Lik 60/100, 80/125 System Connection
Servicing 11.4 LIK 60/100, 80/125 system connection For connection of the LIK 80/125 system it is necessary to use a 60/100 reducer piece 4 measuring piece 5 blinding plug D80 8 exchanger reducer piece Preparation of connection of the terminal part of the LIK system for connection to the NAOS boiler –... -
Page 43: Diagram For Flue Gas Ducting Of The Lik Type, Version 60/100 Mm (Max. Length 5 M)
Servicing 11.4.1 Diagram for flue gas ducting of the LIK type, version 60/100 mm (max. length 5 m), or 80/120 Plastic chimney 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... -
Page 44: Pressure Losses Of Chimney Flue Elements In Case Of Naos K4 Boiler Usage
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° PPSB98 Angle piece 87° PPRM18... -
Page 45: Commissioning
Servicing Commissioning The entire installation shall comply with the regulations that are applicable for this equipment. The boiler shall be compatible with the local connecting conditions (checking the parameters of the boiler with the information on the name plate). The boiler can only be commissioned by organizations that are authorized and trained for this purpose by the manufacturer. -
Page 46: Instructions Before Putting Into Operation
Servicing 12.1 Instructions before Putting into Operation Expansion tank filling valve. Pressure in the expansion tank shall be set according to the heating system designing documentation. Pressure in the expansion tank shall be checked during the regular annual servicing inspection. Bleeding valve of exchanger During bleeding, use for example a silicon hose of ø... -
Page 47: Boiler Setting
Servicing Automatic pump bleeder valve may remain permanently open. The minimum water pressure in the heating system is 0.8 bar, max. operating pressure is 2,5 bar. When filling and bleeding the system the pressure in the heating system needs to be adjusted according designing... - Page 48 Servicing Activation of the “chimney-sweeper” function: Control panel Screen Description Press down buttons 3,4 and 5 simultaneously and hold them down for 10s. The number of the currently set parameter will start flashing on the boiler screen Press down buttons 3 and 4 simultaneously.
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Page 49: Conversion To A Different Type Of Fuel
Servicing 12.3 Conversion to a different type of fuel Depending 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. -
Page 50: Boiler Electronics Setting
Servicing 12.4 Boiler Electronics Setting Setting parameters The product meets the values for “Environment Friendly Product”. Note: The actual values measured depend on the type of connection of the combustion air supply and flue gas removal for the given appliance. Checking the boiler parameters settings, entering the servicing menu. - Page 51 Servicing parameter function adjustment range/adjustment 00 = pump controlled by the indoor unit Pr 13 Heat pump stroke 04 = pump runs continuously Dependence Pr 14 Ignition performance (determines) 00 ( = 0%) … 100 ( = 100 %) Pr 01 00 = OFF Pr 15 OTC selection...
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Page 52: Servicing Inspection Of The Boiler
Servicing Servicing Inspection of the Boiler The user is obliged ensure regular annual servicing inspections of the boiler. When these conditions are not observed the owner cannot clam warranty repairs. The instructions for the servicing inspection procedure is available for servicing organizations. Main points of the inspection: •... - Page 53 Servicing Information for customer Packaging identification Assessment reference PE Plastic sacks, folie, corrugated board, iron and plastic fix line Identification of principal materials used. Paper, Polyethylene, iron, wood Part 1: Summary of assessment Standard/Report Assessment requirement Claim Note 1.1 Prevention by source reduction 1.2 Heavy metals and ensure below maximum permitted levels...
- Page 54 Servicing RECORD OF THE BOILER COMMISSIONING Operator (surname, name) ……………………………………………………………………………….. Address (street, city, postal code) ……………………………………………………………………… Phone/Fax/e-mail address ……………………………………………………………………………….. Boiler serial number ........Date of commissioning ....... Service organization (stamp and signature) ………………………………………………………………… Mandatory service inspection after 1 year of operation Date ……………………...
- Page 55 Annex to the Warranty Certificate for the Customer – User A record of warranty and after-warranty repairs and regular annual product inspections performed Contracted service Customer’s Date of Activity performed organization signature entry (signature, stamp)
- Page 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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