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The heating curve

Heating circuit

Heating curve "Day"

During a set time slot, the heating circuit is in "Day"
mode. The heating curve for "Day" mode can be
adjusted using the parameters "Flow at -10°C" and
"Flow at +10°C". The control system uses these
parameters to plot a line: the heating curve "Day".
The heating curve "Day" and the current outside
temperature are used to calculate the required flow
temperature for the heating circuit. Example:
at +3°C outside temperature => 44°C flow
at -5°C outside temperature => 54°C flow

If the unit has a room sensor, the calculated

flow temperature is corrected. The actual flow
temperature may be higher or lower.

Heating curve "Night"

Outside the set time slots, the heating circuit is in
"Night" mode.
The heating curve "Night" is set back from the
heating curve "Day" by the adjustable value "Set-
back". The heating curve "Night" and the current
outside temperature are used to calculate the
required flow temperature.

Factory settings for the heating circuit

With

software versions 1.20.0

and higher,

the system configuration for the heating circuit
offers the user a choice between

underfloor and

radiator heating

.

This choice pre-sets some of the parameters in the
heating circuit. For information on these parame-
ters and their

factory settings

, see

page <?>

.

The heating curve

58

.

The heating curve

The heating curve

controls the flow temperature

for the

"Day" and "Night" modes

of the heating

circuit in question.

During a set time slot

, the

heating circuit is in

"Day"

mode.

Outside

the time

slots, the heating circuit is in

"Night"

mode.

Each heating circuit has its own heating curve

,

as underfloor heating requires different settings to
radiator heating.
The

diagram

shows a

heating curve

for radiator

heating. If the control settings have been adapted
to your system,

lower heating curves

may be

set

for

underfloor heating

and

higher heating

curves

for

radiator heating

.

0

30

20

10

He

at

in

g

flo

w

te

m

pe

ra

tu

re

(°

C)

-20

-10

-15

80

70

60

50

40

+10

+5

0

-5

+20

+15

Outside temperature (°C)

+3

°C

Wi

nt

er

set

-poi

nt

Tr

an

sit

ion per

iod

set

-poi

nt

Day

Nigh

t

Nig

ht he

at

ing

lim

it

Da

y h

eat

in

g li

mit

Maximum flow temperature

(adjustable with SERVICE permission)

44°C Day

29°C Night

Freezing protection

Maximum flow temperature

This limit protects your heating system.
Underfloor heating is usually limited to 45°C, while
radiators with metal pipes can take temperatures
up to 85°C.

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Содержание SH Touch

Страница 1: ...2012 11 14 EN_Englisch Operation Log Boiler 20 60 kW ...

Страница 2: ...consumption buffer storage tank 35 Split wood will dry out in just one summer 36 Heating value of wood 37 User interface 38 Adjusting the date and time 38 Changing the language 39 Changing function block names 40 Alarm error warning message 41 Opening the text menu 42 Buffer Buffer 46 Overview buttons functions 46 Buffer with solar 47 Combination tank with solar 48 Buffer bottom max for solar heat...

Страница 3: ...uration set by the heating system expert Only your technician or a customer service employee should change settings at the SERVICE level Before making any adjustments to these settings yourself it is essential that you consult an expert Read this manual carefully before starting up the system This is the only way to ensure that you can operate your new boiler efficiently and with minimum environ m...

Страница 4: ...tem volume in litres multiplied by the hardness in degrees of German hardness may not be exceeded The pH value should be set between 8 and 9 Addition of hard water should be minimised to limit limescale build up in the boiler Set enough shut off valves to avoid bleeding large amounts of water during repairs Any leaks in the system must be repaired at once Ensure a minimum return temperature of 60 ...

Страница 5: ...tor is liable for proper installation according to the boiler s installation instructions and the relevant rules and safety regulations If you as customer have installed the heating system partly or entirely without relevant training and in particular without up to date practical experience without having the installation checked by a trained and responsible expert we exclude defects in our delive...

Страница 6: ...he emission measurement Use half metre logs for the emission measurement For the emission measurement split half metre logs are to be used stacked as tightly as possible in the boiler no round logs The fuel chamber should be filled as full as possible and the burn through openings on the grate must remain free Heat up boiler 1 2 hours before measurement Heat up the boiler 1 2 hours before the chim...

Страница 7: ...aust gas does not have enough energy to rise and in extreme cases the smoke can flow down the roof If your flue does not have a water resistant liner or its diameter is too large it will need to be reno vated with the addition of a moisture insensitive inner lining If the existing flue cross section is adequate a ceramic liner that is also resistant to chimney fires is preferable to a stainless st...

Страница 8: ...a the flow of primary air 2 The wood gas is drawn downwards into a hot combustion chamber This prevents the stack of wood in the fuel chamber from undergoing uncon trolled gasification and starting to burn and makes it possible to have a boiler with a large supply of wood that burns slowly for a long time Mixing nozzle and complete turbulence A mixing nozzle 3 is located between the fuel chamber a...

Страница 9: ... and then turbulently through heat exchanger tubes equipped with turbulators The more turbulent the flow the more the gas comes into contact with the tube walls thus ensuring maximum transfer of heat to the boiler water This ensures low exhaust gas temperatures and high efficiency Pulling the cleaning lever about 10 times prior to opening the boiler to refill with fuel moves the turbulators up and...

Страница 10: ...leepers plastic coated plywood impregnated wood etc Check water pressure With a log boiler it is no trouble to glance at the pressure gauge daily or at least regularly In houses with up to three storeys the water pressure in a cold system should be between 1 and 2 bar for a warm system between 1 5 and 2 5 bar The most common defects in a heating system i e leaks and boiling over result in a low wa...

Страница 11: ...ded an emergency shutdown of the boiler will occur If the boiler overheats the flow of air is stopped The fire will go out but the hot wood will continue to smoulder for a while and the unburned wood gas resulting from the lack of air will create tar deposits in the boiler and flue This happening once or twice in an emergency is not a problem However if this situation occurs every day the boiler s...

Страница 12: ... lines are open Keep ball valves completely open to avoid ruining the seals Open valves by turning anti clockwise and then turn back 1 4 turn from the fully open position to relieve pressure on the valve stem Operate cleaning lever With the insulation door still closed clean the heat exchanger by operating 10x the cleaning lever on the side 10x Afterwards leave the lever pointing towards the rear ...

Страница 13: ...lt in an explosion Combustion chamber door Fuel chamber door The fuel chamber door is always closed during both start up and heating operation It is opened only when ash is removed from the boiler Check fuel chamber Use the poker to distribute ashes and charcoal evenly throughout the fuel chamber In the panels the two upper openings for primary air must be free Also the 3 burn through openings in ...

Страница 14: ...ar To make ignition easier next to the log on the left and right there should be a small gap separating it from the neighbouring logs Place only 1 oversized log on top Only 1 oversized split log or 1 stump can be placed in the top layer but no more Two combustion phases may be needed for complete burning Brushwood coarse wood chips or carpentry waste should be added only as a secondary fuel among ...

Страница 15: ...nite the fire with cardboard and newspaper Place crumpled paper or a few pieces of cardboard in front of the first layer of wood and ignite it The draught fan sucks the flame over the tightly stacked logs causing them to ignite more quickly For heavy smooth hardwood larger pieces of kindling may be needed for ignition Never use petrol turpentine or similar materials as an ignition aid risk of expl...

Страница 16: ...reases fuel consumption Also keep the ignition door and the combustion chamber door closed Never open the insulating door and the fuel chamber door when the boiler is in Calibrating lambda probe or overtemperature mode Completion of heating mode with ember burnout Once the wood in the boiler has been burned residual oxygen content below 15 for more than 5 minutes or the exhaust gas temperature fal...

Страница 17: ...ty If wood has been added and there are still embers in the boiler it automatically tries to ignite the wood again If the wood is hard to ignite and there are only a few remaining embers it may help to push the charcoal together in the middle before refilling If the remaining embers do not ignite the wood light it with paper and cardboard through the ignition door ...

Страница 18: ...mes automatically During such emergency shutdowns the wood continues to emit gas and the unburned wood gas causes tar deposits in the boiler and chimney Thermally actuated drain valve to be supplied by technician Independent of the other safety devices the thermal emergency cooling valve is non electri cally triggered at boiler temperatures between 92 C and 97 C The thermal emergency cooling valve...

Страница 19: ...rips the pressure and temperature will increase until the safety valve opens If this occurs it is crucial to check that the thermal emergency cooling valve and the safety temperature limiter are working properly If cold water is drawn from an on premises well with its own pump a power failure may be the reason for failure of the thermal emergency cooling valve If this occurs frequently a larger ai...

Страница 20: ...te cleaning lever X X X Customer Check water pressure X X X Customer De ash boiler X X X Customer Check walls of ash collection duct X X X Customer Check safety valves and thermal emergency cooling valve X X X Customer Clean casing and display X X X Customer Remove ash behind panels X X Customer Clean primary and secondary air duct X X Customer Check and clean flue tube X X Customer Clean heat exc...

Страница 21: ...osition in the water cooled heat exchanger Check water pressure In houses with up to three storeys the pressure in a cold system should be between 1 and 2 bar for a warm system between 1 5 and 2 5 bar If the boiler pressure is too low fill the cold heating system to approx 2 0 bar This will keep the pressure below the activation pressure of the safety valve 3 0 bar even though it rises when the wa...

Страница 22: ...de the ash collection pan into the boiler Although the ash collection pan can be pushed into the ash duct of 40 60 kW boilers it is not intended for this purpose and would be destroyed by the high temperatures there De ash boiler Perform complete ember burnout During final heating operation in the overview press the de ash button which then shines green Ember retention is then deactivated and the ...

Страница 23: ...ergency cooling valve Only perform further steps on weekdays never check on weekends in a cold winter as there will probably be no heating technician available if the seal is defective If the valve drips open the safety valve with a quarter turn of the red cap and rinse it out danger of scalding If the valve still cannot be closed tightly after being rinsed several times it must be cleaned by a pl...

Страница 24: ...e to the chimney it is best to consult the chimney sweep regarding leaks in the connection Flue pipes with a horizontal run longer than 1 metre must be brushed out Annual maintenance In preparation perform weekly maintenance Before annual maintenance all steps of the weekly maintenance must be performed Before starting work let the boiler cool off and switch it off with the mains switch Remove ash...

Страница 25: ...ckets have tar deposits the cause is often the addition of more wood than is needed to meet the actual heating requirements see page 11 Clean draught fan Disconnect the power supply remove the 3 wing screws and pull out the fan Clean the fan wheel with a soft brush toothbrush no wire brush or compressed air so that the motor shaft does not get bent If there are tar deposits on the draught fan s wh...

Страница 26: ...lighter while the draught fan is running The flame will be drawn toward the leak If leaks are found it is usually sufficient to adjust the hinges and the closing roller mount It is not always necessary to replace the sealing cords To adjust open the door and lift it from its hinges Loosen the two hexagonal nuts next to the closing roller mount and move the mount by 0 5 1 mm towards the rear of the...

Страница 27: ...27 2012 11 Maintenance Annually SH Operation ...

Страница 28: ...era tures in the combustion chamber reach forbidden levels Inspect seals on heat exchanger cover Check the heat exchanger cover s seals and replace as needed Maintenance by expert every 3 years or after alert by control system In preparation perform weekly and annual maintenance Before this maintenance all steps of the weekly and annual maintenance must be performed Before starting work let the bo...

Страница 29: ...l load operation the boiler performs an automatic calibration of the lambda probe This always occurs after an ember burnout and only at night between 23 00 and 04 00 This calibration can also be initiated manually by opening the primary and secondary air valves and flushing the boiler with fresh air using the draught fan If the boiler has not been in use for over 48 hours this calibration takes on...

Страница 30: ... buffer the heating circuits and the hot water tank After around 10 minutes a residual oxygen value of 4 5 to 7 should be reached The current residual oxygen content is displayed in the boiler s text menu under Boiler at Residual O2 If the value does not drop below 12 residual oxygen the boiler is receiving leak air The reason leaky boiler doors heat exchanger cover lambda probe installation etc m...

Страница 31: ...31 2012 11 SH Operation ...

Страница 32: ...ture sensor is not insulated e g in externally installed heating circuit groups lower than actual temperatures will be measured For this reason pipe insulation may not be recessed or weakened for heating circuit flow sensors For uninsulated piping systems the measurement area must be insulated with mineral wool at least 20 mm thick over a length of at least 20 cm of pipe Pressure equalisation For ...

Страница 33: ...course of the system s service life To have a sufficient safety reserve for additions the new system must be filled with softened water meaning that the empty system must really be filled exclusively with softened water before starting the boiler for the first time Changing the water after the boiler has already been in operation is too late since the limescale from the unsoftened water has alread...

Страница 34: ...ning temperature 95 C to protect the boiler against overheating if the pump fails The minimum pressure in the cold water line must be 2 bar Connect the supply line to the lower connector of the safety heat exchanger the upper connector is for outlet to the sewer To prevent the supply line from being shut off accidently remove the levers from shut off valves or the hand wheels from valves and hang ...

Страница 35: ...cessary to control this low load operation which inevitably occurs with a modern energy saving heating system Heat produced by the boiler for which there is no imme diate use within the building is offloaded into a buffer storage tank and retrieved by the heating system as needed for example when the boiler is not operating As a log wood boiler cannot simply be switched off once it has been starte...

Страница 36: ...eferable but it is more important to find a dry windy place Leave a gap between stacks as well If you stack wood along the wall of a house leave an air gap of at least 10 cm between the wall and the stack of wood Wood stored outside in winter will absorb moisture from precipitation For this reason either move the wood to a covered location in September or as a minimum temporarily store it in a war...

Страница 37: ... To avoid any unpleasant surprises when ordering ask how your dealer measures a cubic metre if the price is good you may find 0 85 m acceptable Estimating your wood requirements Each kilowatt of heat output requires 0 9 cubic metres of half metre split beech logs or 1 3 m of split spruce per year In other words 8 m of half metre split spruce logs or 5 5 m of beech will replace 1000 litres of heati...

Страница 38: ...o select the individual function blocks FUBs of the heating system Overview of the selected function block Text menu for adjusting the parameters of the selected function block I O list allowing experts to assign inputs and outputs Toolbox for experts INFO Help Error messages for the selected function block The vertical buttons are used to open the different views for the selected function block F...

Страница 39: ...itching to the toolbox Press the button to switch to the toolbox Tapping the button with the flag symbols Tap the button with the flag symbols to go to the language selection screen Selecting a language Select the language you require and confirm by pressing the Accept button Back to overview Press to return to the boiler overview screen ...

Страница 40: ...hort names so that you can reach all the function blocks without having to use the arrow buttons Selecting heating circuit 1 Double tap HC to rename this function block 2x A small screen appears for this function block Tap the Change Name button An on screen keyboard appears Changing the name using the keyboard cancel save Use the keyboard to enter the new name for heating circuit 1 in this exampl...

Страница 41: ... until their cause has actually been dealt with Some errors and alarms cannot be acknowledged until they have been successfully resolved These messages can be deleted with the Confirm later button Restart after an alarm Once the errors have been resolved and the errors and alarms have been acknowledged the boiler or the affected heating circuit must be switched back on using the on off button Once...

Страница 42: ... function block appears The individual parameters for the selected function block are displayed Lines preceded by have a submenu which can be opened by tapping the line The submenu can be closed again by tapping the upper level line that is marked with Modifying parameters It is possible to modify certain parameters in order to adapt the heating to your needs Tap these parameters to select them Th...

Страница 43: ...43 2012 11 SH Operation ...

Страница 44: ...measurement mode is displayed After 30 minutes all pumps and valves are automatically switched back to automatic mode Exhaust gas temperature Boiler flow temperature Boiler return temperature Buffer storage tank and charging status The buffer storage tank and the pump icon are displayed as soon as the boiler pump is switched on and heat is being supplied to the buffer storage tank The percent disp...

Страница 45: ... calibration is aborted and started again 9 days later Insulation door open The insulation door is open If the boiler was previ ously in heating mode it switches back to heating mode after the insulation door is closed For all other modes the boiler switches to ignite mode after Insulation door open If the insulation door stays open for more than 30 minutes an error message is displayed and depend...

Страница 46: ...s in the middle of the buffer Charging by solar heating system This icon for solar charging indicates that the buffer is being charged by the solar heating system The current solar panel temperature is shown above the icon Current operating mode This line shows the current operating mode of the buffer Below is a list of the possible modes Demanding The buffer is demanding heat from the boiler If t...

Страница 47: ...d stratified charging valve The stratified charging valve toggles solar charging between the top and bottom sections of the buffer With this function the temperatures Buffer top solar and Buffer bottom solar are continually compared with the current solar panel temperature First the top is always charged as soon as the solar panel temperature is higher than the Buffer top solar temperature After r...

Страница 48: ...ch day of the week 2x Double tap the desired time slot A screen appears for setting the time slot Time slots for the circulation pump can now be changed Press Accept to save the new settings Use the same method to adjust the time slots for all other days of the week Combination tank with a solar heating system There are different types of combination tank A hot water tank can be installed in the t...

Страница 49: ...n order to prevent the buffer from overheating If the Buffer bottom solar sensor reaches the adjustable Buffer top max temperature the solar collector pump on the solar heating system is switched off The factory setting for the Buffer bottom max temperature is 90 C Changing the Buffer bottom max temperature Press the buttons Buffer and to open the text menu Tap the Buffer line and then in the subm...

Страница 50: ...mperature Current room temperature room sensor only Only displayed if a room sensor is installed for this heating circuit This displays the current room temperature as measured by the room sensor Current flow temperature The current target flow temperature for the heating circuit is only displayed if the heating circuit is switched on and in operation Heating circuit overview Press and HC to open ...

Страница 51: ...nsor the heating circuit runs using the heating curve Night 0 3 6 9 12 15 18 21 24 0 3 6 9 12 15 18 21 24 0 3 0 3 Das Drücken von Gehen während eines Heiz Zeitfenster senkt ab bis zum Beginn des nächsten Zeitfensters Das Drücken von Gehen in einer Heiz Pause überspringt das nächste Heiz Zeitfenster When Go is pressed during a heating time slot heating is reduced until the start of the next time sl...

Страница 52: ... displayed during emission measurement On Overtemperature The heating circuit is in operation because the boiler is running at overtemperature The heating circuit is running at the highest set flow tempera ture in order to dissipate the heat from the boiler overheating protection Holiday mode The Holiday button is used to set a period for which the selected heating circuit will run in Night mode A...

Страница 53: ...g circuit is within a time slot but switched off The current room temperature is higher than the set Room target temperature by at least the RoomOffDiff temperature Off Hot water The heating circuit is switched off because the hot water is currently being heated Off Room night The heating circuit is switched off and outside the set time slots The current room temperature is higher than the stored ...

Страница 54: ...oom sensor is installed this regulates the heating circuit to the stored set back tempera ture for the time slot If there is no room sensor the flow temperature of the heating circuit is calculated using the heating curve Adjusting the timer with room sensor In the overview for the selected heating circuit tap the timer The screen for setting the timer opens Overview of current time slots The curr...

Страница 55: ...is setting only ever applies for the selected heating circuit The hot water supply from the hot water tank or the fresh water module is not affected by the Holiday function For Holiday mode the heating circuit is regulated to the lowest set back temperature set in the timer If you wish to reduce the temperature for the Holiday time period you can set an individual set back temperature in the timer...

Страница 56: ...rcuit offers the user a choice between underfloor and radiator heating This choice pre sets some of the parameters in the heating circuit For information on these parame ters and their factory settings see page 58 The heating curve The heating curve controls the flow temperature for the Day and Night modes of the heating circuit in question During a set time slot the heating circuit is in Day mode...

Страница 57: ... A settings screen opens Enter the new heating threshold for Day mode Press Accept to save the new value Press to open the Heating circuit overview The parameter Night Heating threshold If the heating circuit is in Night mode an outside temperature is set which when exceeded will result in the heating circuit being switched off The factory setting for this value is 2 C The Night Heating threshold ...

Страница 58: ...0 10 Heating flow temperature C 20 10 15 80 70 60 50 40 10 5 0 5 20 15 Outside temperature C Transition period set point Day Night Do not change the flow temperature Flow at 10 C during the transition period Factory settings for the heating circuit With software versions 1 20 0 and higher the system configuration for the heating circuit offers the user a choice between underfloor and radiator heat...

Страница 59: ...ature for this heating circuit Press Accept to save the new value The text menu for the selected heating circuit is displayed Press to open the Heating circuit overview Adjusting the heating curve for outside temperatures below 0 C Changing Flow at 10 C If the heating circuit is always too cold or too warm in winter the flow temperature Flow at 10 C is increased or reduced No large jumps in temper...

Страница 60: ...mperature lower than that for all the other heating circuits in the system Opening the heating circuit text menu Press to open the text menu for the selected heating circuit Tap the line Heating circuit and in the submenu double tap the line Enable temperature 2x A settings screen opens Enter the new enable temperature for this heating circuit Press Accept to save the new value The text menu for t...

Страница 61: ...The control system subtracts the Set back parameter from the heating curve Day to get the heating curve Night Outside the time slots set in the timer the heating circuit is in Night mode and runs using the heating curve Night The factory setting for this Set back is 15 C The Set back can be adjusted for each heating circuit The following steps are the same for all heating circuits Do not use large...

Страница 62: ...d parts replaced Keep records for service maintenance or repairs We recommend that you keep records about all service and maintenance work as well as malfunctions These records can be entered in the following pages Then you and our customer service will always have an overview of the work performed on the system ...

Страница 63: ...63 2012 11 Service and maintenance records SH Operation Date Performed by Service maintenance cleaning Worked performed parts replaced ...

Страница 64: ...Artikel Nr der Anleitung SH_Bedienung_Touch_EN ...

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