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Technical data

3.1

Description of the boiler

The Hoval UltraGas

is a low emission, energy-saving

con densing gas boiler comprising the Ultraclean burner

sys tem, a gas fired premix burner with combustion air

fan. The Hoval UltraGas

has a vertically disposed com-

bustion chamber of stainless steel as a primary heating

sur face and a secondary heating surface of a corrosion

re si stant aluminium alloy.

The secondary heating surface is designed so that part of

the water vapour contained in the flue gas is condensed

and the vaporisation heat it contains is utilised for the

heating circuit. The gas burner is configured as a vertical

burner that can be swivelled up easily for maintenance

work. The UltraGas

is provided for operation with natural

gas and liquefied gas. The design principle is shown in

the following drawing.

Fig. 02

Feed tube on left and/or right side

High temperature return

on left and/or right side

Low temperature return

on left and/or right side

Gas safety and control devices

Combustion air fan

Electrode for ignition

and flame monitoring

TopTronic

E controller

aluFer

heat exchanger

Condensate collection tray

Flue gas connection

4 217 213 / 01

TECHNICAL INFORMATION

Содержание UltraGas 15

Страница 1: ...8 35 7 kW 45 UltraGas 50 8 3 50 1 kW Hoval products may only be installed and commissioned by appropriately qualified experts These instructions are intended exclusively for the specialist Electrical...

Страница 2: ...dent installation 13 4 2 2 Room sealed installation 13 4 3 Flue gas connection and flue 14 4 3 1 Project planning instructions flue gas systems 15 4 3 2 Design examples for room air dependent operatio...

Страница 3: ...over to the operator 36 5 11 Record Activation of screed function 37 6 Maintenance 6 1 Safety information 39 6 2 Bleeding 39 6 3 Water refilling 39 6 4 Renewing fuse 39 6 5 Information for combustion...

Страница 4: ...of possible danger which can lead to serious or fatal injuries if not avoided CAUTION indicates a situation of possible danger which can lead to minor or slight injuries if not avoided NOTICE indicat...

Страница 5: ...ng the damage shall be taken over by the indi vidual risk bearer 1 4 Scope of guarantee The guarantee does not cover defects caused by non observance of these instructions non observance of the operat...

Страница 6: ...methods NORM 12828 Heating systems in buildings Planning of hot water heating systems NORM B 8130 Open water heating systems safety equipment NORM B 8131 Closed water heating systems re quirements to...

Страница 7: ...must be easily acces sible Installing and levelling the boiler Remove transport chocks Store nuts and washers Lift the boiler on one side and put grub screws of boiler base from the bottom through th...

Страница 8: ...flue gas is condensed and the vaporisation heat it contains is utilised for the heating circuit The gas burner is configured as a vertical burner that can be swivelled up easily for maintenance work T...

Страница 9: ...lue at 15 C 1013 mbar Natural gas E Wo 15 0 kWh m3 NCV 9 97 kWh m3 m3 h 1 5 1 9 2 6 3 3 3 3 Natural gas LL Wo 12 4 kWh m3 NCV 8 57 kWh m3 m3 h 1 7 2 2 3 0 3 9 3 9 Propane NCV 25 9 kWh m3 m3 h 0 6 0 8...

Страница 10: ...tlet DN80 DN80 5 Boiler control 6 Condensate drain left or right incl siphon DN25 and 2 m PVC continu ous flow tube inner 19 x 4 mm 7 Draining 8 Electric cable entry point 9 Sound absorber hood 10 Hea...

Страница 11: ...ng from the right A optimum 300 mm Burner service position left boiler cleaning from the front Boiler can be placed with the right side directly against the wall however a minimum gap of 160 mm is req...

Страница 12: ...ensor water pressure sensor safety temperature limiter not used air pressure switch gas pressure switch Status outputs fault and flame signal Allows connection of additional external ignition device R...

Страница 13: ...intakes They only re quire the pressure in the boiler room not to be below 3 N m2 This means that for a rated thermal output of up to 50 kW an air intake with a cross section of at least 300 cm2 must...

Страница 14: ...the chim ney or flue system manufacturer The calcu lation values can be obtained from the table under point 3 2 The flue gas conduit cross sections and lengths are calculated following the techni cal...

Страница 15: ...ting piece Distance holder When installing the pipes in a shaft a spacer must be used at least every 2 metres To provide support for the chimney stack the lowest element must be fixed bearing rail or...

Страница 16: ...high grade steel 9 Top part 80 for chimney end for back ventilation with shaft cover 400 x 400 mm clamp tape and seal ring To determine the total length of flue gas pipe and com bustion air duct the...

Страница 17: ...stant holder E80 of polypropylene for tube centering in shaft 3 sets 8 End tube E80 L 500 mm to top part 80 high grade steel 9 Top part 80 for chimney end for back ventilation with shaft cover 400 x 4...

Страница 18: ...150 mm L 300 mm to wall duct 5 Bearing rail E Flue gas tube support in shaft 6 Support arch C80 125 90 PP 7 Set 2 pieces distant holder E130 of spring steel a distant holder must be used at least eve...

Страница 19: ...tside wall distant holder 150 mm stainless steel 8 Lead pan with bowl C100 150 for roof execution gradient 25 55 adjustable ground plate 500 x 500 mm 9 Rain keep off rail steel anthracite 10 LAS mouth...

Страница 20: ...ensate discharge into lower drain line Fig 05 Possibility 2 see chapter 4 4 3 Execution with neutralisation box For condensate discharge in lower drain line incl con densate neutralisation Fig 06 Poss...

Страница 21: ...support 3a under the siphon 5 Fit drain 5 Fig 09 on siphon 3 Fig 09 and lead it outwards optionally left or right side through the aperture 5a Fig 09 6 Fit connecting line 5 Fig 09 to the drain line...

Страница 22: ...Lift the front cover straight upwards and remove it to wards the front 4 Remove base plate 2 Fig 11 Lift the base plate straight upwards and remove it 1 1a 2 Fig 11 5 Fit rear cover 9 Fig 12 of the ne...

Страница 23: ...y loosen the jubilee clip 10 Fig 15 and push it upwards Firmly tighten the jubilee clip connection must be sealed 10 Fig 15 10 Fill the neutralisation box with water 11 Fit the front cover 13 Fig 16 o...

Страница 24: ...an ules Neutroxide front 6 Fig 19 4 Remove front cover 1a Fig 20 Release lateral locking bolt 1 Fig 20 approx turn to the left Lift the front cover straight upwards and remove towards the front 5 Remo...

Страница 25: ...clip connection must be sealed 10 Fig 24 11 Fill the neutralisation box with water 12 Fit the front cover 13 Fig 25 of the neutralisation 13 Fit base plate 2 Fig 25 and front cover 1a Fig 20 2 13 Fig...

Страница 26: ...uirements A pressure expansion tank adapted to the heating sys tem water volume and static height 4 6 2 Hydraulic interconnection When combining a calorifier with floor heating a mixer needs to be ins...

Страница 27: ...nised professional associations Procedure to remove the front covering panel 1 Remove front cover 1 Fig 28 after first releasing the lateral locking bolt 1a Fig 28 turn approx turn to the left and pul...

Страница 28: ...for example Measures must be taken in the building and on electri cal equipment to protect the units against overvoltage caused by lightning strikes The mains connection for the heating system must b...

Страница 29: ...uld be selected to im prove the decoupling Increase the spacing distance Route cables in a metal cable tray or metal cable duct that is enclosed on all sides and must be well earthed Use high quality...

Страница 30: ...n Length Power supply of the heat generator 230 V min 1 5 mm2 with 13 A fuse unlimited m Cables carrying mains supply voltages from actuators min 1 0 mm2 unlimited m Cables carrying low voltage sensor...

Страница 31: ...system by filling it with incorrect liquids Water filled into the system must have drinking quality 5 2 Filling with water Filling of the heating system may only be carried out by qualified personnel...

Страница 32: ...l The pH value of the heating water should lie between 8 3 and 9 5 after 6 12 weeks of heating operation Filling and replacement water For a plant using Hoval boilers untreated drinking water is gener...

Страница 33: ...y the Hoval UltraGas is equipped with a pressure monitoring device on the combustion cyl inder The combustion cylinder pressure monitoring de vice records the pressure in the combustion cylinder dur i...

Страница 34: ...l meas ured value in the following table deviation toler ance from the nominal measured value 10 UltraGas type Factory setting Nominal measured value Pressure switch B17 Pressure switch B18 15 0 65 mb...

Страница 35: ...enu on the control module The control automatically switches to normal opera tion after 20 min 2 Position emission meter in the flue gas line 3 Set the boiler to maximum output 100 4 Set the CO2 O2 va...

Страница 36: ...gas line can have a highly negative influence on the flue gas values 1 Install the liquefied gas pressure monitor AMP connector at position 1 and 3 2 Stick the yellow Change of set gas type liquid gas...

Страница 37: ...elvin per day falling Activate screed function 04 060 1 ON Start and stop screed drying NOTICE The graphic table shows the factory settings The time profile and the maximum flow temperature must be di...

Страница 38: ...tive function phase the ACT temperature as well as the remaining run time Logging Please cut out the log and attach it to the controller during active screed function NOTICE The time profile and the m...

Страница 39: ...2 Bleeding 1 Open all radiator valves 2 Heat up the system for at least half a day with a high flow temperature 3 Turn off the boiler and wait 5 minutes 4 Bleed all the air form the system 6 3 Water r...

Страница 40: ...if required Emission metering Setting at Home screen Main menu page 1 Emission For detailed information see operating instructions Emission chapter Power limitation with 2 stage burner 0 to 50 1st st...

Страница 41: ...he sound insulation covers 4 Disconnect all the burner connector plugs 5 Pull the corrugated hose 1 Fig 31 off the venturi tube on the burner if present 6 Disconnect the earthing cable 2 Fig 32 from t...

Страница 42: ...boiler door sideways 8 Fig 35 3 Remove the neutralisation box and siphon or mainte nance of the neutralisation unit see point 6 9 8 Fig 35 Cleaning 1 Spray the combustion chamber and aluFer tubes 10 F...

Страница 43: ...4 Cleaning adjusting the ignition and ionisation device The distance between the ignition electrode and the burner cylinder must be approx 4 mm Fine sanding paper long nosed pliers blow torch compres...

Страница 44: ...of poisoning If the siphon is not filled with water or be comes blocked or contaminated by impuri ties the flue gas emerging can represent a potentially fatal hazard Before reinserting fill the sipho...

Страница 45: ...nce Set the blocking switch to 0 and disconnect the heat generator from the mains e g main switch fuse Remove the front cover Undo the bolts and withdraw the neutralisation box Remove the neutralisati...

Страница 46: ...AM 32780 High flow temperature C OEM 80 80 80 80 80 13 2BC 32781 Lock out flue gas temperature C OEM 110 110 110 110 110 14 2BD 32782 Blocking flue gas temperature C OEM 100 100 100 100 100 15 2CA 327...

Страница 47: ...or shut off valve min HF 5 5 5 5 5 42 2HD 32810 Summer operation summer kick sek OEM 10 10 10 10 10 43 2IA 32811 Ignition 0 Internal 1 Internal External 2 External OEM 2 2 2 2 2 44 2KM 32812 Step modu...

Страница 48: ...48 4 217 213 01...

Страница 49: ...49 4 217 213 01...

Страница 50: ...ype Serial number Year of manufacture Place Date System installer System user Confirmation The user owner of the system herewith con rms that he has received adequate instruction in the operating and...

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