Hsotram HK2 Manual Download

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MANUAL

HK2 – HK4 25-08-2014

Page

HK2, HK3, HK4 STD

(Bonus 30 MK2, Excellent 30, Boréale, Bonus 30, Solo Innova 30 MK2, Excellent 40,
Fjord 30, Solo Plus 30, Solo Innova 50 MK2, Excellent 50, Fjord 50 and Solo Plus 50)

Wood log central heating boilers

Chapter

User instructions and regular maintenance

(1)

Extra and optional accessories available

(2)

General conditions of sale and guarantee

(3)

The product produced by HS
TARM A/S type:

HK2, HK3 and HK4

made according to:

•

EMC Directive
(89/336/EEC incl.
modification 92/31/EEC
and 93/68/EEC)

•

LV Directive 2006/95/EEC

•

PE Directive 97/23/EEC

•

Standard EN 303-5:2012
Efficiency class 5
Emissions class 5

Summary of Contents for HK2

Page 1: ...g central heating boilers Chapter User instructions and regular maintenance 1 Extra and optional accessories available 2 General conditions of sale and guarantee 3 The product produced by HS TARM A S type HK2 HK3 and HK4 made according to EMC Directive 89 336 EEC incl modification 92 31 EEC and 93 68 EEC LV Directive 2006 95 EEC PE Directive 97 23 EEC Standard EN 303 5 2012 Efficiency class 5 Emis...

Page 2: ... of controller 10 1 3 9 Ash door locking 10 1 3 10 Fuse 11 1 3 11 Quick break down search considering that the hydraulic attachment is correct 11 1 3 12 Cleaning and regular maintenance 12 1 3 13 Door silicone gaskets 14 1 3 14 Wear and tear of the refractory material hanging plates and seals 16 2 EXTRA AVAILABLE ACCESSORIES 17 2 1 STORAGE TANKS 17 2 2 LONG SENSOR THERMOMETER 150MM 17 2 3 HYDRAULI...

Page 3: ...g intake 4 Secondary air setting intake 5 Ash door 6 Visual flame control 7 Combustion tunnel 8 Secondary air combustion inlet 9 Primary air combustion inlet 10 Removable heat plates 11 Tubular heat exchanger 12 Flue gas box 13 Suction fan 14 Cleaning soot hatch 15 Cooling coil 16 Flow 17 Return 18 Ignition door only HK3 and HK4 3 18 1 4 15 2 13 11 17 9 7 5 6 8 10 12 14 14 16 ...

Page 4: ...d to take away the ashes regularly 6 Flame control sight glass This sight glass is used to set up the combustion 7 Tunnel This is the heart of the combustion 8 Secondary air exit The secondary air enters the combustion in the high temperature zone 9 Primary air exit The primary air is diffused in through the wood logs 10 Removable heat plates They limit the shooting up of the boilers body and diff...

Page 5: ...ions energy storage storage tank The role of energy storages is to ensure good working of the boiler even when the energy demand is weak mild days of winter autumn spring summer It is a matter of absorbing the surplus of energy produced by the boiler This stored energy will be returned to the heating system and in the domestic hot water according to demand Thus when the storage tank s are full of ...

Page 6: ...ombustion boiler and appreciate that a biomass heating system constitutes a workload and the necessary obligations reduces the advantages offered by the ecologic combustible fuel 1 2 2 Rules of safety In the case of defects or poor functions it is necessary to call your heat installer A sufficient air supply ventilation in the heating room is necessary and it shall never be obstructed Never store ...

Page 7: ...ust be chopped 10 to 15 cm of maximum diameter and sawn in the length of burning chamber to ensure a good function of the boiler without power loss Logs of 50 cm Chopping and sawing the forest wood makes the quickest and most efficient drying process Stock it immediately under shelter well aired outside or inside It must be storage approximately two and half years to dry Otherwise a minimum of 3 y...

Page 8: ...embers has formed Open the upper door with care only a few centimeters first for a couple of seconds Then load 3 to 4 thin logs then the necessary quantity of wood and reclose the loading door 4 At the first use or in case of a change in the type of wood as the boiler water gets hot 65 C fine tune adjust the primary and secondary air according to the table of paragraph 1 3 4 then fine tune the sec...

Page 9: ...decreases This to avoid unnecessary cooling down from airflow through the boiler 1 3 7 Boiler temperature setting only for installer or advertised user The normal temperature of the boiler is at least 85 C factory setting 87 C With the recyclable Kit D 60 C an optional supply the temperature of the boiler will stabilize at about 62 C 65 C as long as the boiler is in phase with storage tanks load W...

Page 10: ...t is advisable to Wait for the boiler to cool down to 75 C Unscrew the cap of the thermostat situated on the front left to the controller push the little button screw on the cap Use again the boiler as normal If this happens again it is advisable to check the following points by your heating installer Check the function of the safety thermostat Check that the use of the boiler has been correct Che...

Page 11: ...on fan blade coupled to the motor see 1 3 12 Clean and maintenance Check the temperature of the flue gas it must be in the range of 130 C to 150 C If it is too low the wood is probably not suitable Try with a different type of wood or different stock Have the moisture content in the wood controlled with the help of a hygrometer by your installer Check the good hydraulic connection in good equilibr...

Page 12: ...r supply for the controller is active Make sure that the boiler is not too hot to begin heating again shall be well below the adjusted setting of F Check the fuse in the panel Call your heating installer 1 3 12 Cleaning and regular maintenance The regular maintenance cleaning is the responsibility of the user An annual control by a professional is necessary according to current regulation A metall...

Page 13: ...lates from the burning chamber before sweeping at the sides and cleaning out the air passages Neglected maintenance can provoke premature wear and tear of ceramic irreparable deformation of the hanging plates a premature wear and tear of the tunnel an excessive clogging up b Ash sweeping of the tunnel The ash sweeping of the tunnel must be done regularly daily in winter it must not be obstructed b...

Page 14: ...g door handle makes a dynamic correction which will ensure correct tightness as compression of the robe after the first continues at smaller pace See the chapter on installation for the method and or contact your heating engineer The heat exchanger pipes are the principal recuperation of energy Located at the end of the flue gas circuit they will accumulate a little ash and soot Nevertheless to co...

Page 15: ...l the 13 cubic meter of wood Check the sealing of the silicon gasket it must be replaced immediately if it does not work properly Procedure Before anything else switch of the power supply 1 Unplug the fans electrical supply 2 Unscrew the four nuts holding both the fan protection cover and the fan itself 3 Remove fan cover and fan 4 Clean the turbine 5 Clean the internal of the fan housing 6 Clean ...

Page 16: ... are pieces items which will be under wear and tear during the lifespan of the boiler according to different types of woods greater or lesser use of the boiler the maintenance quality of the boiler This is perfectly normal and these pieces items must be replaced only when they are not fulfilling their functions Generally a crack or crumbling would not justify being replaced when they are still doi...

Page 17: ...nt models of storage tanks Ask for the specific documentation This kit includes a recycling circulator a 60 C thermostatic cartridge a flow thermometer a boiler return thermometer a storage tank return thermometer stopping flaps Automatic balancing valve For a good use of the boiler the storage tanks must be obligatory equipped with 4 long sensor thermometers They have a large diameter easy vision...

Page 18: ...cessory for a boiler with solid fuel This model is in stainless steel and is extremely effective because of its balancing precision It is balanced by a brass counter weight adjustable This heating resistance can be connected to 230 240V or 380 400v 3 phase power supply and got this own security thermostat for overheating and an adjustable thermostat with a frost protection position It s available ...

Page 19: ...5 3 5 3 5 4 5 3 0 4 0 Loading door w h mm 250 340 330 420 Wood log chamber volume net l 110 150 200 Wood logs length max cm 50 hard wood max diameter cm 10 15 soft wood max diameter cm 10 15 Max service pressure bar 3 0 Boiler production test pressure bar 4 5 Cooling coil test pressure bar 25 Max operating temperature C 100 Total empty weight kg 505 615 822 Water capacity l 120 140 270 Minimum sto...

Page 20: ...MANUAL HK2 HK4 25 08 2014 Page 20 HK2 Bonus 30 MK2 Boréale Excellent 30 Bonus 30 HK3 Solo Innova 30 MK2 Fjord 30 Excellent 40 Solo Plus 30 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 Ignition door HK3 and HK4 only ...

Page 21: ...MANUAL HK2 HK4 25 08 2014 Page 21 HK4 Solo Innova 50 MK2 Fjord 50 Excellent 50 Solo Plus 50 Ignition door HK3 and HK4 only 8 7 5 3 1 6 4 2 ...

Page 22: ...often condensation arises inside the chimney dependent of degree of insulation of the chimney Therefore the chimney must be designed to allow condensation on the internal walls Wood burning produces non negligible quantity of water steam This results in the combination of oxygen hydrogen during the burning the moisture of the heated air and the hygrometry of the wood On average 1 kg of wood which ...

Page 23: ... be between 0 5 and 1 5 mm of water column negative pressure and be perfectly stable It is measured with a pressure meter for example in liquid with boiler at raised temperature to 70 C in cool weather and in normal function If the draught is too weak the evacuation of combustible gas will be insufficient If the draught is too strong the combustion is increases and the flue gas temperature raises ...

Page 24: ... the boiler anti boiling exchanger in connection with a temperature safety valve of which the sensor is calibrated at 97 C This unit assures the cooling of the boiler in case of over heating The cold water pressure at the valve should be at minimum of 2 0 bars The installation of a safety valve 3 4 preset to 3 bars maximum with manometer is obligatory It must comply with relevant regulations It sh...

Page 25: ...etting value Minimum flue gas temperature factory setting 90 C In which case can an adjustment become necessary The boiler temperature can exceptionally decrease to 85 C if at 90 C of boiler water either the safety thermostat shots off the boiler and or the temperature safety valve has already began to open The amount of embers in the bottom of the loading chamber is insufficient after the fan has...

Page 26: ...sent as long as the boiler has not reached the temperature of 60 C When the circulation between the boiler and the heating implements is made a permanently controlled reheating to minimum 60 C is obligatory and is done by a by pass between the boiler flow and the return to the boiler recycling Hydraulic connections to the boiler preserve an easier access to care maintenance Boilers type Minimum re...

Page 27: ...MANUAL HK2 HK4 25 08 2014 Page 27 3 8 Electrical connections ...

Page 28: ...7 at which the 230 VAC output for the zone valve goes low C 1 20 5 n9 n9 is the extended running time for the boiler pump after the fan has stopped min 0 99 10 r0 r0 is the flue gas temperature hysteresis C 10 20 15 r1 r1 is the firing up time i e the maximum running time in extended high speed r2 min 0 250 15 r2 r2 is the extended high speed n0 100 80 r3 r3 is used to reset to factory settings 0 ...

Page 29: ...e able to stop again if the flue gas temperature decreases below minimum flue gas temperature n6 During normal operation the speed of the fan maintains at max rotation n0 Only if the boiler temperature rises above the boiler temperature set point preset boiler temperature the fan speed reduces linearly towards min rotation speed n1 until the boiler temperature comes above preset boiler temperature...

Page 30: ...the 230 VAC output is de activated Stopping the fan Stopping the fan is only possible if the flue gas temperature is below n6 Power supply failure In the event of a failure in the power supply the fan and pump will continue if and only if the flue gas temperature is above n6 as the power comes back Alarms In the case of an alarm e g defect sensor the LED lights constant red and the relevant alarm ...

Page 31: ... hydraulics 3 13 1 Principle of the hydraulic recycling Temperature increasing 100 recycling Burning phase with water return heating Storage tank loading from the top to the bottom System phase Tank storage discharging from the bottom to the top ...

Page 32: ...1 ON OFF valve 12 ON OFF valve 13 3 way valve spring return The purpose of the 3 way valve is to minimize the system volume as the heating system is requiring high energy input As the storage tank sensor measures a temperature below 40 C the valve shifts to the top of the tank as the temperature in this position comes above 45 C the valve shift to the bottom of the tank Both the shift up temperatu...

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