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Chimney

Information for installation

7

Information for installation

7.1

Chimney

7.1.1

Planning and layout

Required chimney diameter

Please note that in partial-load operation the exhaust temperature is lower and the large chimney diameters,
normally used for solid fuel, are no longer ideal. If the cross section is too large, the flue gas no longer safely rises
from the chimney opening and may flow along the roof and sink to the windows of the living quarters.

The flue gas connection on the boiler has two different diameters (see table). The flue pipe from boiler to
chimney must be executed as per the requirements in the table. A flue pipe with 2 m length and two 90° bends

was assumed for the calculation. For some boilers a smaller chimney dimension (corresponding to the minimum
diameter) can also be used. These values are listed in brackets. The "X" marks any diameters which may not be
used.
Example: PC 50 with a 7 m chimney height and DN150 flue pipe => a chimney with 16 cm diameter is required.
Alternatively, a chimney with 15 cm diameter can be used.

No cross-sectional taper is permitted, such as a DN150 connection pipe in a chimney with a 13 cm diameter.

Clarify with the chimney sweep

A specialist or a chimney sweep must inspect the
dimensions and suitability of existing chimneys
especially before boiler installation.

Every boiler must have its own chimney

The better the boiler and the chimney are matched, the
greater the energy with which the flue gas exits the
chimney, and therefore the certainty that it will rise up
into the air.

Diameter of the flue pipe from

boiler to chimney

Chimney height above the

boiler room floor

Required chimney diameter in cm

PC 33
PC 40

PC 45
PC 50

DN 130
DN 150

6 m

X

16 (15)

X

18

a

DN 130
DN 150

7 m

X

16 (15)

X

16 (15)

DN 130
DN 150

8 m

16 (15)

15

X

15

DN 130
DN 150

9 m

15
15

16
15

DN 130
DN 150

10 m

15 (14)

15

16 (15)

15

DN 130
DN 150

11 m

14 (13)

15

15 (14)

15

DN 130
DN 150

12 m

13
15

15 (14)

15

DN 130
DN 150

13 m

13
15

14
15

DN 130
DN 150

14 m

13
15

14
15

a. For boiler outputs over 30 kW and low chimney heights, a chimney joint tilted 45° can help achieve the required draught of 5 Pa at

full load with acceptable cross-sections (a size smaller than indicated in the table).

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Содержание PelletsCompact PC33

Страница 1: ...2020 07 21 EN 0000000171 V 025 2707 93113 005 PelletsCompact 33 50 kW Installation...

Страница 2: ...ETA Heiztechnik Gewerbepark 1 A 4716 Hofkirchen an der Trattnach Tel 43 0 7734 22 88 0 Fax 43 0 7734 22 88 22 info eta co at www eta co at...

Страница 3: ...ter hardness 23 7 4 Corrosion 24 7 5 Bleeding 24 7 6 Pressure equalisation 25 7 7 Noise emission 25 8 Buffer storage tank 27 8 1 General information 27 8 2 Hydraulic integration 29 8 3 Connection betw...

Страница 4: ...tivities 60 11 Pellet store 61 11 1 General information 61 11 2 Requirements for pellet store 62 11 3 Calculating pellet supply and store size 63 11 4 Filling nozzles 64 11 5 No cables pipes in the pe...

Страница 5: ...the LAN cable see 9 9 Network connection Extended warranty We grant an extended warranty if the product is com missioned by an authorised partner company or by our own customer service In this regard...

Страница 6: ...ls can be found in chapter 7 3 Water hardness pH value between 8 and 9 The pH value of water used to fill the heating system must be between 8 and 9 Use a sufficient number of shut off valves Set enou...

Страница 7: ...ature limiters safety valves and thermal discharge valves 1 4 Dismantling disposal Dismantling Before dismantling Stop heating Switch off the boiler with the mains switch and ensure that it cannot be...

Страница 8: ...let for the safety valve flat sealing union nut R1 The flue gas connection on the boiler does not yet give any indication of the required chimney diameter Information on the required chimney diameter...

Страница 9: ...Required flue draught Pa 3 Pa a draught limiter is required above 15 Pa Carbon monoxide CO emissions at partial full load mg MJ 14 5 16 5 17 5 18 5 mg m 13 O2 21 7 24 7 25 7 27 7 Dust emissions at par...

Страница 10: ...to the energy efficiency of the pack age system 5 Factor II evaluation of primary solid fuel boiler and additional heater 0 Value for III 294 11 Pr 0 81 0 67 0 59 0 54 Value for IV 115 11 Pr 0 32 0 2...

Страница 11: ...5 78 87 78 87 78 87 Seasonal space heating emissions dust mg m 10 O2 40 40 40 40 40 40 40 40 Seasonal space heating emissions OGC mg m 10 O2 20 20 20 20 20 20 20 20 Seasonal space heating emissions CO...

Страница 12: ...ned from the table in Section 7 3 Water hardness The requirements of NORM H 5195 1 apply as minimum requirements for the heating water If stricter country specific regulations exist they are to be hee...

Страница 13: ...ating boilers for solid fuels manually and automatically stoked nominal heat output of up to 500 kW Terminology requirements testing and marking EN ISO 12100 2011 Safety of machinery General principle...

Страница 14: ...ilers may not be installed in stairwells corridors or rooms through which escape routes lead to the outside Free minimum cross sections for the air intake openings The boiler requires air for combusti...

Страница 15: ...a result of amendments to building laws up to 10 tonnes of pellets may be stored in the boiler room in some states In Switzerland up to 10 m of wood can be stored in separate boiler rooms EI60 the cle...

Страница 16: ...tions do not prescribe a fire extinguisher we still recommend that you keep one in house Fig 6 1 Fire extinguisher Storage of ash The ash must be kept in non flammable containers with covers for cooli...

Страница 17: ...ing pressure has already been installed on the boiler at the factory If solar or other heat sources provide energy to the buffer storage tank via a heat exchanger a safety valve 3 bar maximum is also...

Страница 18: ...Alternatively a chimney with 15 cm diameter can be used No cross sectional taper is permitted such as a DN150 connection pipe in a chimney with a 13 cm diameter Clarify with the chimney sweep A speci...

Страница 19: ...r the moisture can destroy an old fireclay chimney Obsolete regulations stipulate the wrong chimney Laws and regulations demand a moisture resistant flue system for oil and gas and one that is resista...

Страница 20: ...densation drain pipe is connected should be flushed once a year Fig 7 1 Condensate drain For chimneys on the outer walls made of stainless steel for example frost proof run off must be provided for th...

Страница 21: ...he deflagration damper so that no people are endangered 7 1 2 Renovation Chimney renovation before it s too late Compared to older boilers modern ones are more efficient and have lower amounts of flue...

Страница 22: ...l All heating systems require approval Enquire at your building authority and ask your chimney sweep Antifreeze If the building is unoccupied for longer intervals in winter up to 30 antifreeze can be...

Страница 23: ...g water s pH value has not itself changed to more than 8 after a week of operation increase it by adding 10 g m of trisodium phosphate Na3PO4 or 25 g m of trisodium phosphate dodecahydrate Na3 PO4 12H...

Страница 24: ...two typical points for releasing gas are the hot boiler and the highest point in the heating system flow Install a bleed valve at the upper end of the pipe from the boiler outlet already installed in...

Страница 25: ...the system volume is required If the pressure difference between cold and warm heating system buffer fully loaded if installed is greater than 1 0 bar for a single storey system or 0 5 bar for a thre...

Страница 26: ...ll In the same way the store room should be set up on a floating screed to acoustically decouple the conveyor from the building Chimney noises through the draught fan For chimney noises through the dr...

Страница 27: ...ional period in autumn spring when there is very low heating demand such as only for the bathroom for wooden houses with low heat capacity and radiator heating if above average hot water demand or hig...

Страница 28: ...sator and bypass for several boilers the buffer s storage capacity should be chosen to match 20 to 30 minutes of full load operation for the largest automatic wood boiler in the system In special case...

Страница 29: ...heating system or from a fresh water module may be fed into the solar heated lower third of the buffer This results in lower solar panel working temperatures with significantly higher efficiencies an...

Страница 30: ...ture sensor Sensor 3 8 Fresh water module return 9 Boiler low temperature circuit return With solar exchanger and fresh water module 1 Fresh water module flow 2 Temperature sensor Sensor 1 upper 3 Boi...

Страница 31: ...its return 8 3 Connection between multiple buffer storage tanks Parallel connection When there are several buffers parallel connection top with top and bottom with bottom is usually the better solutio...

Страница 32: ...ted using the thermosiphon principle The exchange between the two tanks is driven only by gravity and limited by the hydraulic resistance of the junctions Therefore a Tichelmann connection is required...

Страница 33: ...Buffer storage tank Connection between multiple buffer storage tanks 33...

Страница 34: ...On one tank the boiler outlet is connected at the top on the other the boiler return is connected at the bottom Return lines with greatly differing temperatures should be fed into the buffer storage t...

Страница 35: ...temperature circuit return 4 Low temperature circuits return 5 Fresh water module flow 6 Temperature sensor Sensor 1 upper 7 Temperature sensor Sensor 2 8 Solar flow top 9 Temperature sensor Sensor 3...

Страница 36: ...s circuit To minimize pipe circulation losses it is helpful to make the connections with downward siphon loops For a small solar heating system the total volume can be reduced in the summer by locking...

Страница 37: ...r 2 5 Solar flow top 6 Temperature sensor Sensor 3 7 Solar flow lower 8 Temperature sensor Sensor 4 9 Fresh water module return solar and low temperature circuits 10 Oil gas boiler return 11 Boiler hi...

Страница 38: ...immersed hot water tanks or internal water heat exchangers are unsuitable for a serial buffer connection To minimize pipe circulation losses it is helpful to make the connections with downward siphon...

Страница 39: ...Temperature sensor Sensor 2 5 Temperature sensor Sensor 3 6 Solar flow top 7 Oil gas boiler return 8 Temperature sensor Sensor 4 9 High temperature circuits return 10 Solar flow lower 11 Fresh water...

Страница 40: ...lation and maintenance must be maintained see chapter 2 Technical data Lifting lugs for placement If a lifting device is available the boiler can be placed in the room where it is to be setup with the...

Страница 41: ...he bottom so that the ash box lies evenly on the floor Fig 9 4 Levelling feet 9 2 Removing panels Removing the cover Remove the cover from the top of the boiler Fig 9 5 Cover Removing the side cover R...

Страница 42: ...Only in that case are the following steps necessary Approx 2 hours are needed for the dismantling and subsequent reassembly If the boiler is not dismantled assembly continues with step 9 4 Draught fan...

Страница 43: ...emoving the screen for the ETAtouch control system Disconnect the data cable for the screen from the circuit board GM C at terminal S510 Unthread the network cable from the cable ducts The cables can...

Страница 44: ...Disconnecting the cables from the mains switch and maintenance switch Removing the safety temperature limiter Loosen the fastening screw of the safety temperature limiter and carefully unthread it fro...

Страница 45: ...he power supply from the stoker drive and the vacuum turbine Disconnect the power supply cables for the stoker drive and the vacuum turbine Fig 9 20 Stoker drive Fig 9 21 Vacuum turbine Unplugging the...

Страница 46: ...r Fig 9 23 Pellet hopper Make sure care that the seal between the pellet hopper and the stoker is not damaged Remove stoker Loosen the 4 M8 screws fastening the stoker to the boiler Then take the stok...

Страница 47: ...pply line to the draught fan Fig 9 27 Draught fan The plug connection must point to the right when viewed from behind the boiler 9 5 Connecting piping Connecting the piping to the boiler 1 Outlet pipe...

Страница 48: ...underfloor and wall heating In the event of a malfunction they switch off the affected heating circuit to protect it from excessively high flow temperatures They are available separately and pre wired...

Страница 49: ...protection sleeves must be fitted over both pellet hoses In wall ducts a fire protection sleeve must be mounted on each side with ceiling ducts only positioned on the ceiling side Fig 9 31 Fire protec...

Страница 50: ...o pellet hoses onto the connections and secure them with hose clamps 9 9 Network connection Connecting the network adapter for the boiler From factory a network cable is already connected to the contr...

Страница 51: ...Installation Network connection 51...

Страница 52: ...ctric shock There are live parts on the circuit boards If touched they can cause injury and property damage Before beginning any work isolate the system completely from all power sources ensure that i...

Страница 53: ...tions Requirements 53 Fig 10 4 Speed controlled pump Fig 10 5 Special function pump with supply extension 230 V Fig 10 6 Special function changeover valve with three point controlling Fig 10 7 Special...

Страница 54: ...54 www eta co at Overview of circuit boards Electrical connections 10 2 Overview of circuit boards Overview of boiler circuit boards...

Страница 55: ...Electrical connections Overview of circuit boards 55...

Страница 56: ...he configuration Terminal Function Minimum cross sec tion Standard assignment S20 230 V supply 3 x 1 5 mm Mains power input S28 230 V input 3 x 1 mm Emergency stop switch S29 230 V output 3 x 1 mm Con...

Страница 57: ...riser mixing valve S30 STB 230 V input Safety temperature limiter Safety temperature lim iter STB S30 ASCHENK BEL 230 V input Ash box switch S30 ROST 230 V input switch de ashing and grate S30 GLUTBE...

Страница 58: ...ating circuit pump S8 230 V output 4 x 1 mm Heating circuit 1 heating circuit mixing valve S9 230 V supply extension 3 x 1 mm to circuit board MK E terminal S15 S10 Potential free output special funct...

Страница 59: ...unction Minimum cross sec tion Standard assignment These terminals have already been pre wired at the factory Terminal Function Default assignment CAN Node CAN Bus node switch F1 Fuse T 500 mA 24 V su...

Страница 60: ...vities Reinstall boiler casing Reinstall the parts of the boiler casing that were removed during the assembly Removing protective film Remove protective film from all covers After longer periods of op...

Страница 61: ...ents air circulation from the lower boiler to the pellet store Testing before initial fill up Before filling the pellet store test the functionality of the entire heating system and the pellet conveyi...

Страница 62: ...n brick 170 mm thick and plastered on both sides Post and beam walls with 120 mm beams clearance 625 mm with wooden panelling 15 20 mm thick on both sides Dry storage for pellets Pellets are very hygr...

Страница 63: ...m Example Room width 2 m and height 2 4 m The table shows a usable cross section of 3 m The volume of pellets to be stored in the example above is 7 2 m 7 2 m 3 m 2 4 m minimum room length A conveying...

Страница 64: ...he suction nozzle so that the pellet supplier recognises which nozzle the pellets are blown into Opposite the middle filling nozzle an impact protection mat is installed 500 mm from the wall to preven...

Страница 65: ...er the ceiling of the pellet store so that the pellets are not blown against the ceiling To install the filling nozzles in smooth holes or sewer pipe cut outs so they cannot twist the ETA filling nozz...

Страница 66: ...m in length pose no problem Height differences of one floor or even two for short lines can also be overcome without problems Extension with aluminium piping only Only aluminium piping may be used fo...

Страница 67: ...plies for systems with conveyor screws as well as for suction heads Construction of tilted floor for storeroom For the slanted floor three ply concrete formwork panels 27 mm thick have proven effectiv...

Страница 68: ...thick and fasten it to the floor Fig 11 11 Suction probe on a wooden board Pad wall opening for conveyor screw trough Sound from the screw can be transmitted through the pellet store walls into the ho...

Страница 69: ...11 14 Note bending radius Fig 11 15 Avoid twisting pellet hoses Fig 11 16 Use pipe guides or pipe supports Single piece suction hose The suction hose for the pellets must always consist of a single p...

Страница 70: ...lations in Austria Legally fire safety is regulated in the various building codes of the states though all state legislation is based on the TRVB H 118 Technische Richtlinien vorbeu gender Brandschutz...

Страница 71: ...oors and no usage restrictions are stipulated Pellet stores over 10 000 litres 6 5 tons Walls and ceilings REI90 F90 no lines through walls No other use Doors self closing and fire resistant EI30 T30...

Страница 72: ...th of the venti lation line Store size 10 tonnes Store size 10 tonnes 2 m Ventilation via sealing cover with the follow ing requirements Two ventilated sealing caps on two Storz A couplings Ventilatio...

Страница 73: ...lated sealing cover 2 Ventilation opening outside Even if the filling nozzles protrude into a room in which ventilation is available NORM M 7137 recommends using only sealed unventilated sealing cover...

Страница 74: ...www eta co at...

Страница 75: ......

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