Strebel S-HQ User Operating Instructions
Contents
1. necessary The working pressure of the installation should be between 1 5 and 1 7 bar in the first week noises can be heard which indicate the presence of air The automatic air vent in the boiler will make this air disappear which means the water pressure will reduce during this period and therefore topping up with water will be necessary to adjust the flow water temperature Itcan take a while before all air has dis appeared froma filled installation Especially Operating instructions Strebel Q boiler range b ok N Operating instructions Strebel Q boiler range urning the boiler off Holiday The BrainQ room thermostaat is provided with a holiday programm The holiday period can be adjusted on the thermostat itself The central heating and DHW supply are switched off during that period There is also the option that only the central heating is switched off With all of these possibilities the frost protection system is active Holiday period Adjust the thermostat to the holiday period See the user thermostat manual The hot water facility can be switched off by means of the program key 4 on the control panel Re setting the central heating system Switch off the three program keys mmt 3K when these are activated Switch off the power supply When the boiler is being drained one should take into account that a part of the heating water will remain in the boiler When risk of frost arises one should take ca2. Press the Store key to confirm the setting The display will flash once Press the Mode key briefly The display will show StbY for a short while and will return to the Technical reading The flow water temperature that has been adjusted only applies to the central heating and is independent of the hot water facility for the cylinder Adjusting the type of installation The boiler is designed in such a way that it will adjust itself automatically to what is necessary for a normal heating system In some cases the installation may have convectors or complete underfloor heating One can easily choose heating installation adjustments appropriate for the system such as maximum water flow temperature or for the warming up of the installation after a night period Adjustment goes as follows 1 8S Press from the Technical reading the Mode key once Press the Step key twice e Ql The display will show 2 01 Press the or the key to alter the type of installation according to the table below Press the Store key to confirm the setting The display will flash once Press the Mode key once GHY The display willshowStbY fora short while and will return to the Technical reading A Flow water Selection Type of installation temperature Radiators air heating convectors Radiators with large surface areas or under floor heating as 02 a l 70 additional heating g 3 Under floor heating with radiators as additional heating
3. kind of steel which keeps its quality for life It willnot rust or erode in contrast to composition materials like aluminium The STREBEL S HQ boiler is a room sealed condensing and modulating central heating boiler with or without an integrated hot water facility The boiler is provided with a compact stainless steel heat exchanger with smooth tubes A well thought out principal using durable materials The boiler burns gas for supplying warmth The heat is transferred in the heat exchanger to the water in the central heating system By cooling down the flue gasses condensate is formed This results in high efficiency The condensate which has no effect on the heat exchanger and the function of the boiler is drained through an internal siphon The boiler is provided with an intelligent control system CMS Control Management System The boiler anticipates the heat demand of the central heating system or the hot water facility When an outside sensor is connected to the boiler the boiler works weather dependantly This means that the boiler control measures the outside temperature and flow temperature With this data the boiler calculates the optimal flow temperature for the installation O1 Operating instructions Strebel Q boiler range Operating instructions Strebel Q boiler range BrainQ Smart When the boiler is connected to an BrainQ or Smart alot of information can be retrieved from the boiler For more inf
4. to frost The Reset key The control panel is provided with a reset key When a fault occurs it will be shown by the flashing E Error with anumber code after which the boiler is shut down After pressing the reset key you can try to start the boiler again If the error message keeps occurring contact your installer SJ Operating instructions Strebel Q boiler range 0 Operating instructions Strebel Q boiler range The boiler display The reading of the boiler display can be done in two ways HOOO DEES a Lood 49 The Good reading During this reading the display will only show what is necessary Under normal circumstances the display will give a Good reading If a fault is detected the boiler will be blocked This will be shown with alternate display of Good with an E of Error or a BL of Blocking and a number code For further information refer to page 13 Errors maintenance and warranty The technical reading During this reading the display will show in which operating status the boiler is active The technical reading is shown alternately with the water pressure The first figure in the technical read out indicates the status in which the boiler is active and the third and fourth figure indicate the water temperature of the boiler For example in the reading P 1 9 the character P stands for pressure which represents the water pressure The thirdand fourth figure indicate the water pressure in bar If a f
5. 60 C GY tull under floor heating 50 C A O factory setting When a type of installation has been chosen with a low water flow temperature it is possible that in case of a severe winter period the temperature of the heating system will need to be increased slightly In such situations the installation choice may need to be changed so that a higher flow temperature can be chosen This adjustment would normally be carried out by your installer during the installation and commissioning o Operating instructions Strebel Q boiler range ook Details of your installer Name of installer Address Contact Phone number Phone number outside business hours STREBEL STREBEL LTD 1F Albany park industrial estate Frimley road Camberley Surrey GU15 2PL Telephone 01276 685422 Fax 01276 685405 E mail info strebel co uk Internet www strebel co uk
6. Operating instructions S HQ boiler range erved 8G 52 4100 02 06 Changes res N Operating instructions Strebel Q boiler range IMtOGUCTION saien irern ianiai 3 Safety soin iiio ia tate tee 4 Description of the boiler eseeeeeeeeeeeees 5 Explanation of the function keys and display 7 The Reset key ccccccessscceceeeessenceeeeeeessenees 7 The boiler display eeeeceeeeceeeeeeeteeeeeeeeeenaees 8 Water pressure in the central heating system 9 Replenishing the central heating 10 Turning the boiler Off 0 ccccecseeeeeseeeeeeees 12 Error maintenance and warranty 13 AQJUSUMONIS aiene iol geval a 14 Important It is in your own interest that we should know that you have an STREBEL boiler Please fill out the warranty card completely and send it back to us Then we can be fully at your service Introduction These operating instructions describes the functioning andthe operating ofthe STREBEL S HQ boilers This manual is for the end user For installation and servicing there is a installation amp servicing instructions manual for the installer Readthis manual fully before operating the boiler In case of doubt or errors contact your installer STREBEL Ltd reserves the right to change the specifications and dimensions without prior notice Work on the boiler must be carried out by a competent person Ref Gas Safety Install
7. ation and Use using correctly calibrated instruments with current test certification When replacing parts use only ATAG Service parts amp Operating instructions Strebel Q boiler range amp Operating instructions Strebel Q boiler range In case you smell gas Nonaked flames Do not smoke Do not operate electrical switches for lights or any other appliance Do not use a telephone Turnoff gas supply at meter Open windows and doors Notify any persons inthe building and leave the building at once Call Gas company or installer only when outside the building Protection for corrosion Do notuse any sprays chlorine containing agents solvents paint etc around the boiler or around the air intake supply entrance of the boiler These substances have negative influences on the boiler and can lead to corrosion resulting in failure of the boiler Checking the water pressure Check the water pressure in the central heating installation regularly Use only potable water for filling Additives only after clearance by STREBEL Contact your installer in case of doubt Description of the boiler Room sealed boiler The boiler retreives its combustion air from outside then discharges the flue gasses to the outside Condensing Retrieves heat from the flue gasses Water condensates on the heat exchanger Modulating Higher or lower burning according to the heat demand Stainless Steel Super solid
8. ault is found the same is shown as described under The Good reading Selecting the Technical or Good reading Press the Step key for 5 seconds The display will change from the Good reading to the technical reading or vice versa Water pressure in the central heating system Message Water pressure too low on your room thermostat On the display of the BrainQ thermostat as well as the Smart thermostat a low water pressure can be indicated For further information see the relevant user manual The installation will function optimally with a water pressure of between 1 5 and 1 7 bar If the water pressure drops below 1 bar the display will show FILL During this message the boiler will remain functioning at a reduced level After replenishing the system just above 1 5 bar the message FILL will disappear and the boiler will function normally again When the water pressure drops below 0 7 bar the display will show a flashing FILL text The boiler will shut down and will function normally again after replenishing the system to just above 1 5 bar To retreive the water pressure on the display from the Good reading Press the Step key once briefly The water pressure will be shown Press the Step key briefly to return to the Good reading Operating instructions Strebel Q boiler range r Operating instructions Strebel Q boiler range Replenishing the central heating system The central heat
9. ing installation needs to be filled with potable drinking water For topping upthe installation you use the filling loop according to the following procedure If in any doubt please contact your dealer _ Switch all functions off heating DHW and pump Briefly push the STEP button P x x water pressure in bar slowly open the filling loop Indication on display increases Fill up slowly to 1 5 to 1 7 bar STOP appears on the display Close the filling loop De aerate the complete installation start at the lowest point Check the water pressure and if necessary top it up o ON O oa KR UT TD Close the filling loop 10 Activate functions required heating mm DHW and or pump 11 If A xx appears on the display wait for 17 minutes 12 Check the waterpressure and if necessary top it up to 1 5 to 1 7 bar 13 Close the filling loop 14 Press the STEP button 15 Be sure that the filling loop is closed After the automatic de aeration programm A xx is finished the boiler will return to the Good reading or Technical reading The boiler will not function directly The automatic de aeration programm A N of about 17 minutes will start after one of the three programm keys is pressed The display will show where A stand s for Automatic de aeration programm Active and the number on the right indicates the actual water temperature of the boiler Check the water pressure regularly and top up the installation when
10. ormation about the STREBEL thermostats Please refer to the user manuals On the left side of the boiler there is a small door Through the transparent part you can see the boiler status on the display After opening this door you will find the function keys On the right side of the door you will find an instruction card ina sleeve with an explanation of the display messages and function keys This is also described in the following pages Explanation of the function keys and display Display Indication L E D s Central heating Step key on off Domestic Hot water Scrolling on off Pump programm on off Mode key Reset _ key Selecting chapters Store DN 2S When the pump is switched on continuously it can lead to undesired heating up of the central heating system during the summer Unlocking the boiler On off key Central heating When on the indication L E D is illuminated On off key Domestic hot water DHW When on the indication L E D is illuminated On of key Pump programm Continuously yes no When on the indication L E D is illuminated In most situations the pump can stay in position off During severe frost It is possible when there is no outside sensor connected to choose manually to let the circulation pump circulate continually thus reducing the chance of freezing pipes garage attic or other cold spaces rooms which are sensitive
11. re that the remaining central heating water in the boiler does not freeze Error maintenance and warranty C Cc 1 L60 If a fault is detected the boiler will be blocked This will be reflected by an alternate display of Good with an E of Error or a BL of Blocking and a number code You can try to reset the boiler by pressing the Reset key once If the problem remains please contact your installer and inform them about the fault and give them the number code If you discover any leaks from the boiler contact your installer We advise you to obtain a service contract with your installer for regular maintance and adjustment to keep your boiler safe and in good condition The casing of the boiler consists of metal and plastic parts which can be cleaned with a normal non abrasive cleaning agent You can find the warranty conditions in the warranty card which is supplied with the boiler ow Operating instructions Strebel Q boiler range k p Operating instructions Strebel Q boiler range Adjustments 20 sal o The boiler has a large number of settings options We advise you to contact your installer for adjusting the boiler to the required settings Adjusting the flow water temperature CH Press the Mode key briefly from the Technical reading The display will show PARA Press the Step key once The display willshow1 85 Press the or the key to alter the adjustments if necessary
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