Installation and Operation Instructions
Contents
1. D 9 N NS P ON SE Cc oO 9 4 Installation and uli Operation Instructions WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death Do not store or use gasoline or other flammable vapors and liq uids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instruction If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer Mi service agency or the gas supplier JOTUL 139478_Rev_o2_GF 373 BF Table of Contents 1 Technical Information 4 2 General Information 5 3 Safety lt 5 4 Installer Information 6 5 User Information 16 6 Troubleshooting 18 7 Parts Illustrations and Lists 22 8 Service 23 THIS OWNER S MANUAL PROVIDES INFORMATION TO ENSURE SAFE INSTALLATION AND EFFICIENT DEPENDABLE OPER2. Check the gas pressure if other gas equipment is connected to the gas supply Lookfor signs of corrosion on the appliance and the vent system Look for obstructions in the vent system such as bird s nests or branches from bushes and trees This page is intentionally blank 139478_Rev_o2_GF 373 BF 15 139478_Rev_o2_GF 373 BF User Information Operating Instructions Commissioning Lighting NOTE Odours may be present when using the stove for the first time When used for the first time and hot the appliance may emit a harmless non toxic odour It is recommended that the room should be thoroughly ventilated by opening doors or windows during first time use The gas is not toxic but the room should be thoroughly aired out During first use it may take a short time before the gas tube is cleared of air but subsequently the appliance should function as described in the lighting instruction The appliance operates with the aid of a pilot flame which is lit manually according to the lighting instruction Prior to lighting Check the area around the appliance for possible gas leaks odors Especially check near the floor since propane is heavier than air and would gather close to the floor in the event of a leakage Note Natural gas is lighter than air and will gather under the ceiling If you detect an odor of gas see warning under Safety precautions Only use your hands to operate the control knobs
3. If the pilot flame goes out repeat Steps 1 5 If the pilot light goes out intentionally or unintentionally it should not be relit within 3 minutes NOTE If the gas control knob does not pop out when released call for service NOTE If the pilot flame does not remain lit after several attempts turn the gas control knob to OFF and call for service Instruction Plate Burner Control Switch Piezo Ignitor 16 Regulator Lighting the Main Burner 1 Turn the Gas Control knob clockwise to ON 2 Push the Burner Control switch to ON The burner will light NOTE When the appliance is used for the first time condensation may form in the firebox Some smoke may also appear from the appliance during the initial hours due to the burning off of paint and lubrication used in the production process See section Odours when using the stove for the first time Adjusting the Heat Setting e Heat and flame intensity can be adjusted by turning the Regulator knob between the HI and LO deisignations as desired Maximum flame size provides maximum heat output Make sure the appliance has been operating for at least 30 minutes before adjusting the flame Turning Off the Appliance e Push the Burner Control switch to the OFF position The burner flames will extinguish however the pilot flames will continue to burn To fully extinguish the appliance push in the Gas Control knob
4. DIN 2458 1626 DIN 2440 DIN 2441 or copper DIN 2110 For practical reasons the vent system should be in stalled before the appliance is connected to the gas supply e The stove is supplied with a 3 8 to 8mm compres sion union The gas valve has a 3 8 NPT threaded connection All tube connections must be approved and the gas pipeline must have an approved shutoff valve Only use approved sealing agent tape at all the pipe connections When the pipe sections have been assembled and connected to the appliance open the gas supply and light the appliance see lighting instructions Perform a tightness test on all the pipe connections 139478 Rev o2 GF373 BF Fuel Conversion The GF 373 BF gas stove is shipped from the factory equipped to burn Natural gas Propane Fuel Conversion Kit 157452 is included with the stove to enable use with LP gas if necessary The kit contains all the components needed to complete the task and ensure safe operation including labels that must be affixed to the stove Tools Required 1 2 amp 13 mm open end wrench or deep well socket e Torx T20 or slotted screwdriver e 7 16 open end wrench 3mm Allen wrench 1 4 nut driver e 4mm Allen wrench manometer Conversion Kit Contents e 1regulator tower labelled for the appropriate fuel e 2regulator tower Torx screws 1 burner injector marked for NG and 1 50 for LPG e 1pilot orifice 51 for NG 30 for LP
5. Label A to be completed and applied to the base of the valve compartment Label B apply to the rating plate in the space indicated on the plate e Small valve label apply to valve body Conversion instructions 139478 Rev o2 GF373BF Fuel Conversion Procedure Turn off gas supply to the stove Remove the glass panel frame with removal of the four socket head screws using the 4 mm hex key provided Loosen the primary air shutter wing nut and push the stem all the way back Fig 13 Pull the Burner Plate forward to disengage it from the burner orifice and lift it out of the firebox Locate the main burner injector See fig 14 Slide the Air Shutter out of the way and use a 1 2 open end wrench or deep well socket to remove the burner orifice from the brass orifice holder Replace with the orifice supplied in the kit Tighten securely Change the Pilot Orifice Pull the Pilot Hood off of its base It will snap by the retainer clip shown in Fig 14 Using a 4 mm Allen wrench unscrew the pilot orifice Replace it with the orifice from the kit Be sure the new orifice is tightly secured to prevent by pass leakage Replace the pilot hood by simply pushing it back into place on its base Changethe Air Shutter orientation Lift the shutter tube up in its hinge pin slots and turn the tube over so that the appropriate fuel type indicator LPG or NG is oriented facing you See fig 15 Push the shut
6. do not use tools If you are unable to turn or push in the control knob do not use force Call for service e Donot use the appliance if any part of it has been submerged in water Call for service to replace the parts that have been in water Figure 20 Operation Controls Gas Control Knob Lighting Instructions Lighting the Pilot Flame The valve and burner controls are located on the under the firebox and behind the access door See fig 20 The Burner switch has three settings ON OFF STAT The STAT position is for use of a remote thermostat This feature is not available at present and this setting should not be used 1 Place the Burner Control switch in the OFF position Make sure the gas valve on the pipeline to the appliance is open 2 Push in the Gas Control knob on the front of the valve a little and turn clockwise to OFF Note It is impossible to turn the gas control knob unless it is pushed in a little Do not use force 3 Push in the Gas Control knob a little and turn counter clockwise to PILOT 4 Push in the Gas Control knob as far as possible and hold it in Simultaneously repeatedly press the Ignitor button until the spark ignites the pilot flame located to the left rear corner of the burner 5 Continue to press in the Gas Control knob for approximately 20 seconds after the pilot flame has been lit Then let go of the knob It should spring back out and the pilot flame should remain lit
7. 10 3 Engage the Left Log with the rear burner plate pin Fig 11 Fig 9 E Install Bottom le anal Log Fig 11 Install Left Log 10 Fig 8 Shipping retainer bracket removal 4 Evenly spread the ember stones over the burner plate DO NOT POSITION THE EMBER STONES TO BLOCK THE PILOT ASSEMBLY AREA The carry over ports directly in front of the pilot must remain clear for proper ignition Embers should be positioned in front of not over the rear burner ports Fig 12 5 Reinstall the glass frame using the 4 mm hex key and socket head screws previously removed Fig 10 TN f Install Right Log un Install Ember Stones Pilot Assembly Gas Installation Gas installation must only be performed by qualified personnel It is important to adhere to national and local regulations that apply In the UK these include BS5440 Parts 2 and 55871 in Ireland e The LPG gas container must be stored installed ac cording to national regulations The gas container must have a pressure regulator that reduces the pressure to the required level See technical data on page 4 for gas type and pressures before connecting to the appliance e The appliance must not be exposed to pressure above 55 mbar 5 5 kPa during pressure testing e Gas tubes must be made of steel DIN 2448 1629
8. E with plus to the ball point D at the end of the copper wire Connect minus to the copper wire Light the pilot A and hold in the control knob to prevent the flame on the pilot burner from going out At this point the multimeter should show 14 28 mV at the thermocouple Note that there are 2 threaded holes that can be used when installing a new thermocouple Make sure the blue wire A is fastened at the same threaded hole The nut on the thermocouple must not be tightened too much just a 1 2 turn If the gas pressure is correct and the pos sible faults above have been checked the pilot flame can be adjusted with the adjusting screw The gas volume is increased when the screw is turned anti clockwise 139478 Rev o2 GF373BF Thermocouple Fig 22 and Thermopile Eigunios Fig 23 Thermocouple system A thermocouple is in principle a thermal generator check and consists of a copper wire copper nickel alloy and an iron wire twisted together These wires will create friction and generate 25 millivolt when exposed to a temperature difference of 200 C This voltage is sufficient to make the gas valve function In order to produce higher voltage a thermopile is used which is based on the same principle as the thermocouple but with more copper and iron wires The thermopile produces approximately 500 700 millivolts This only amounts to 1 3 of the voltage in a flashlight battery It is important to understand that even mino
9. correct gas pressure and pilot flame pattern Fig 13 Push the air shutter stem back to enable burner plate removal Fig 14 Burner and Pilot orifice locations Fig 15 Change the Air Shutter orientation for the appropriate fuel type K T Fig 16 Install the alternate gas Regulator Adjust the air shutter setting for the appropriate fuel HM LM 139478 Rev o2 GF 373 BF 13 139478 Rev o2 GF373BF Commissioning Testing Gas Pressure Correct gas pressure is important for the safe use of gas in the appliance It is important that the correct gas pressure is set during the installation of the appliance The gas valve is equipped with outlets taps for the testing of gas pressure The outlets are located at the front of the valve below the ON OFF Pilot knob The out lets are marked as shown in fig 17 Outlet D For gas pressure to the valve volume of gas to the valve See technical data Outlet E For gas pressure from the valve volume of gas coming out of the valve to the burner e Regulator Always test the gas pressure with the valve regulator knob on High Hi Loosen the screw in the outlet and attach the tube from the manometer to the outlet Remember to tighten the screw when the testing is completed and test for leaks at the outlets with test fluid Required gas pressure from the vent Outlet E is displayed in the table below Note that the installer is re
10. may also be that the gas pressure is too high Also confirm the correct gas pressure as described in the section on page 12 21 139478 Rev o2 GF373BF 22 M410082697 M82650 mun TH 100 150 LL 100 150mm flue adaptor 100 150mm L 600mm L 300mm 82653 gems M82654 am M82668 0100 150mm 100 150mm CL 0100 150 D L 500mm L 1000mm EP L 325 440mm p 87379 87913 p M30170 AX X P Pi 150mm 150mm get y pem NN 0 5 gt 5 M82656 M82657 M82667 Sim BES t 0100 150 0100 150 1 150 350 82655 M87196 M82661 150mm 150mm EP 100 150mm L 500mm Figure 24 Muelink and Grol flue components All balanced flue accessories include locking bands J tul GF 373 BF INSTALLATION SIGNATURE FORM With proper usage and maintenance this appliance will provide you with many years of satisfactory service Please contact your J tul dealer for assistance if any problems should arise with your J tul appliance Save this user manual and make sure it is available to service personnel Model J tul GF 373 BF Serial No on Rating Data Plate Annual service year 1 Sign Company Annual service year 2 Sign Company Date Annual service year 3 Sign Company Annual service year 4 Sign Company Date 139478_Re
11. ATION OF YOUR STOVE PLEASE READ THESE INSTRUCTIONS IN THEIR ENTIRETY AND MAKE THEM AVAILABLE TO ANYONE USING OR SERVICING THIS GAS STOVE 139478 Rev o2 GF373BF Jotul GF 373 BF Technical Information Material Cast iron steel Finish Matt Black paint Flue outlet Top Vent system DV Balanced flue Muelink amp Grol Weight Approx 260 kg product PIN 0558CN1362 Product dimensions See fig 1 Countries of Destination GB IE Appliance Category I12H3P Gas Types and Pressures Natural Gas G20 at 20mbar LPG Propane G31 at 37mbar State of Adjustment 12H or I3P Figure 1 Product dimensions 451 2 47 1156 mm 1194 mm 18 1 4 18 3 4 NET WE NEL ee Countries of Destination Appliance Category Gas Types LPG G37 State of Adjustment Supply Pressure mbar Nominal Heat Input Net kW Burner Pressure at Full Rate Hot mbar Efficiency Net 96 Horizontal Termination Net 96 Vertical Termination Nett 96 Maximum Heat Output Net 96 Horizontal Termination Net kW Vertical Termination Nett 96 Main Burner Injector Marking Pilot Injector Marking Maximum Gas Consumption at Full Rate m h at 15 C 1013 25mbar 0 729 Maximum Gas Consumption at Full Rate kg h at 15 C 1013 25mbar Efficiency Class NOx Class Notes The appliance is supplied at the default factory setti
12. a vertical termination The minimum length of a vertical flue termination should be a 1m length plus the vertical flue terminal The maximum vertical flue length is plus the vertical flue terminal 600mm maximum horizontal run and no greater than 10 metres 1600mm max 10 metre maximum rise 1metre 10 metre maximum rise Flue restrictor position 1 i Flue restrictor position 2 Fig 5 Exhaust Restriction The GF373 BF is equipped with an Exhaust Restrictor Plate which enables you to regulate the flow of exhaust gas The plate prevents overly strong draft that can cause poor combustion and weak flame picture The Restrictor Plate is situated above the Top Baffle plate and is supplied from the factory in Position 1 fully open The Exhaust Restrictor should be set in the following positions for each flue configuration See fig 5 All installations that incorporate horizontal termination the exhaust restrictor should be left in Position 1 fully open as factory set Fig 5a e All vertical installations up to 2m plus the vertical terminal length should be left in Position 1 fully open as factory set Fig 5b e All installations above 2m plus the vertical terminal length should have the Exhaust Restrictor moved to Position 2 Fig 5c Adjusting Exhaust Restrictor Plate 1 Remove top casting and decorative trim pieces from top of unit 2 Open Door 3 Remove 4 screws and remove fi
13. and turn it clockwise to OFF NOTE If the appliance will not be used for an extended period it is advisable to shut off the main gas supply line valve 139478_Rev_o2_GF 373 BF Maintenance The complete installation which includes the gas supply the actual appliance and the vent system must be inspected annually The inspection must be carried out by qualified service engineer External Maintenance Painted products may change color after some years of usage The surface should be cleaned and brushed free of any loose particles before new stove paint is applied Enameled products must only be cleaned with a soft damp cloth and only the surface is cold Do not use water or soap Enamel surfaces stain easily when hot A solution of vinegar and baking soda may be used to remove stains 139478 Rev o2 GF373BF Troubleshooting When No Spark is Generated at the Pilot Head It is uncommon for the Piezo spark ignitor fig 21 A to fail unless it has mechanical damage If the spark is not conducted forward it could be the result of a break in the electrical circuit leading up to the pilot head The spark is small or weak if there is too much resistance from a bent wire E or if corrosion appears at the electrode G or the pilot head This could result in insufficient heat to light the gas Inspect the pilot burner by looking for damage to the individual parts Check for damaged wires or wires crushed between plate secti
14. e from the valve to the main burner and pilot burner are equally important These parameters may be the cause of various performance problems If the gas pressure is too low it can cause low pilot flame insufficient production of electricity at thermopile and thermocouple and poor flame pattern If the gas pressure is too high it can cause valve dam age if the pressure rises above 60 mbar This is usually the result of faulty installation or lack of a gas regulator on the gas tank or cylinder High gas pressure may also cause an abnormally large pilot flame which can overheat the thermopile and thermocouple and further cause a shutoff of the valve due to insufficient millivolt produc tion Problems involving high flames and soot indicate that the air volume is too small in relation to the gas volume It is wrong to correct the problem by adjusting the air regulator if the cause is that the gas pressure is too high Checking the gas pressure before the valve will uncover faults in the gas supply at the valve or from the tank cylinder If the gas pressure to the valve is correct the fault must be found after the valve A measurement performed with a manometer will help you to swiftly uncover and eliminate sources of errors As mentioned above blocked or poor gas supply may lead to faulty combustion Make sure all gas tubes are dirt free as a small dust particle can obstruct the pilot orifice Components must remain free of dirt durin
15. ent to make the gas valve function In order to produce higher voltage a thermopile is used which is based on the same principle as the thermocouple but with more copper and iron wires The thermopile produces approximately 500 700 millivolts This only amounts to 1 3 of the voltage in a flashlight battery It is important to understand that even minor resistance ohm will have great impact on such a small voltage If resistance is too great the gas valve may not receive enough voltage to operate If there is too much resistance the cause may be that the copper wire conducting the voltage is too long or there are too many connections If the copper wire comes in contact with metal it may increase resistance and consequently reduce the voltage When the Pilot Goes Out But the Gas Supply is OK This is the trouble shooting procedure for the thermo couple fig 22B Check the copper wire F of the thermo couple for cracks or damage Check the gasket C at the valve by loosening the nut that holds the copper wire Look for signs of damage if the nut has been tightened too hard A damaged gasket results in resistance at contact with metal and conse quently the voltage to the valve will be too small Make sure the flame is centred at the thermocouple Make sure the thermocouple is enveloped by the flame up to at least 3 mm from the tip see fig 19 Check the voltage generated by the thermocouple Connect the multimeter fig 22
16. ermocouple Make sure the blue wire A is fastened at the same threaded hole The nut on the thermocouple must not be tightened too much just a 1 2 turn If the gas pressure is correct and the pos sible faults above have been checked the pilot flame can be adjusted with the adjusting screw The gas volume is increased when the screw is turned anti clockwise 20 When There is No Gas Supply to the Burner This is the trouble shooting procedure for the electrical components Make sure the control knob on the valve is set to ON Check the position on the ON OFF Thermostat switch at the back of the appliance It should be set to the ON position 2 Make sure the wire from the valve to the ON OFF STAT switch is connected correctly This is the trouble shooting procedure for the thermopile fig 23 1 Make sure the gas pressure is correct see section about gas pressure page 14 2 Make sure the pilot burner has 3 flames 3 Make sure the flame is centred on the thermocouple 4 Make sure the thermocouple is enveloped by the flame up to at least 10mm 3 8 from the tip fig 19 5 Checkthe wires to the thermopile for cracks or dam age 6 Dismantle the wires from the vent 7 Dismantle optional equipment such as thermostat or remote control 8 Check the voltage generated by the thermopile see fig 23 Connect the multimeter with plus to one cable clip D Connect minus to the other cable cli
17. g installation of the gas supply and connection to the appliance and when the valve is being replaced When There is No Gas Flow To The Pilot Head This is the trouble shooting procedure for the gas supply Check if all gas connections are sealed by using strong soapy water avoid synthetic soaps Be certain all valves from the gas tank cylinder are fully open When the pilot is to be lit for the first time with a new installation after a scheduled disconnection or after the propane tank has been refilled there will often be air in the gas tube leading up to the appliance The tube system must be cleared of air before the pilot burner can be lit The recommended method for clearing air out of the tube system is to push in the gas control knob and turn anti clockwise to PILOT Then push in the gas control knob for 5 seconds and push the control knob on the spark igniter to the bottom several times Repeat the procedure until the pilot is lit If the pilot does not light after attempts to clear the tube system of air it indicates a problem with the gas tank cylinder or a leak in the gas tube Check the gas pres sure as instructed in the section Gas Installation on page 10 and determine if the fault leak is before or after the valve on the appliance If the gas pressure at outlet D fig 17 is too low or there is no gas pressure at all the fault or leak must be located before the valve on the appliance If the gas pressure is OK a
18. he combustion air is supplied through the outer pipe and the exhaust gas returned through the inner pipe Flueing options The GF373 BF is capable of a variety of flueing configurations using an assortment of balanced flue components and ac cessories from Muelink and Grol See fig 24 page 22 Figure 5 Vent Configurations this includes 600mm attached terminal length if vertical rise is greater than 1500mm NOTE All horizontal flue lengths must have a 5 rise towards building exterior y 600mm maximum horizontal run 600mm is the supplied attached terminal length may be used if a vertical rise of 500mm Natural Gas amp 1000mm for LPG is used first The 600mm terminal length may be cut to up to 300mm if required pi 600mm max 1000mm min rise Flue restrictor position 1 fully open 1 Flue arrangement for horizontal termination When a horizontal run of 600mm or less is required there should be a vertical rise first from the stove of 500mm max 10m for Natural gas installations and 1m max 10m for LPG For horizontal flue runs greater than 600mm and less than 1600mm a vertical rise first from the stove of 1m max 10m for Natural and LPG should be used The maximum horizon tal flue length for the GF373 BF is 1600mm this can be seen as the 600mm which is attached to the terminal and the addition of a 1m length 2 Flue arrangement for vertical termination The flue may be installed with
19. irection from the centre of the regulator 900 mm Clearance to gas service cabinet with main shutoff valve 900 mm Clearance to air channels or air supplies to all appliances 3oo mm Clearance to mechanical air channel 1 8m Clearance from public walkway or motor road 2 1m Note Do not install the vent over a walkway or motor road which is located between two individual family houses and is used by both households Position of Outdoor Exhaust Hood e Ifthe clearance from ground level to the terminal exhaust hood is less than 3 m the hood must be pro tected by a wire mesh guard The clearance over the terminal must be minimum 3oomm to protruding parts of the building Donot place the exhaust hood under any ventilation opening e Do not place the exhaust hood closer than 300 mm from the side above any ventilation opening e Do not place the exhaust hood closer than 300 mm to opening window Clearance from ground level balcony or similar to the exhaust hood must be at least 300 mm e Do not place the gas cylinder closer to the exhaust hood than 1 metre Firewall Requirements The stove may be placed directly against a wall made of combustible material with the clearances specified in figs 2 Be sure to maintain adequate space for the vent system behind the stove and for the full height length of the pipe Requirements for the Floor Plate The stove may stand on a wooden floor A floor pla
20. lled in accordance with the rules in force Consult instructions before installation and use of this appliance B The appliance is designed as a heating device and all components will become hot excluding control knob control cover and control switch Care should be taken not to touch unit when it is in operation Bi WARNING If you detect an odour of gas Do not light the Stove or any other appliance Do not use electrical switches or the telephone Contact your gas supplier s emergency number B The appliance must only be installed and repaired by qualified personnel Always turn off the gas supply before service B The appliance must be inspected following installation and at least once a year by qualified personnel B The appliance must only use gas of the correct type and pressure See technical data for more details E if Propane G31 is to be used the appliance must be converted using the conversion instructions and kit supplied by J tul This is only to be installed by qualified personnel B it is permitted to install the appliance against a wall made of combustible material with the clearances specified in figs 2 4 Bl The minimum clearance to combustible material in front of the appliance is 600 mm BI WARNING Curtains may not be placed within 600 mm above the appliance E Never store combustible gas or liquid in the same room with the appliance E WARNING Never use the appliance if the front glass
21. ngs for Natural Gas G20 at 20mbar The appliance will have this setting following conversion to LPG G31 at 37mbar General Information B This product has been approved to the European Standard EN 613 2000 and is in accordance with EC Gas Appliances Directive 2009 142 EC ex 90 396 EEC E Before installation ensure that the local distribution conditions identification of the type of gas and pressure and the adjustment of the appliance are compatible B This product the Jotul GF 373 BF 2 may only be used with Natural Gas G20 or be converted for the use of Propane G37 B Assembly installation and maintenance must be performed by a qualified person in accordance with the instructions for Assembly Installation and Use enclosed with the product The installation may only be operated after it has been inspected by a qualified person and a certificate of completion has been issued Bi The Installation should be carried out in accordance with the Building Regulations which include the following standards for installation and maintenance of flues ventilation and installation of Gas Fires For UK BS5440 1 55440 2 BS5871 for Republic of Ireland 15813 ICP3 15327 B The appliance is designed as a freestanding unit and no additional fixing methods need apply B This appliance is intended for use on a gas installation with a governed meter 139478 Rev o2 GF373 BF Safety Precautions B This appliance must be insta
22. ons of the appliance and check for loose connections Follow the trouble shooting procedure below when no spark is generated at the pilot head electrode 1 Make sure the spark gap between electrode G and pilot head is smaller than or equal to 3 2 mm If not check if the electrode is loose or damaged 2 Make sure the spark ignitor A is securely mounted and the ground connection is in contact with the bracket If not turn the spark igniter until the ground connection is in contact with the bracket and tighten the nut at the back of the spark igniter 3 Make sure the insulated wire E is intact and without cracks and properly connected between spark igniter A and electrode If not properly fasten the insu lated wire to establish a connection between the spark igniter and the electrode Replace the electrode if the wire is damaged or cracked 4 Make sure the ceramic insulation F is intact and with out cracks If not replace the electrode 5 Make sure a spark is generated when you dismantle the Piezo spark igniter and put the ground connector against a metal piece and the control knob red mark on the spark igniter is finally pushed to the bottom B If not replace the Piezo spark ignitor 18 Figure 21 Pilot ignition components Fuel Gas Correct gas pressure is important see the section about gas pressure under Gas Installation page 14 The gas pressure before the valve and the gas pressur
23. p Light the pilot and make sure the control knob remains on PILOT fig 20 At this point the multimeter should show 500 700 mV 9 Reconnect the wires to the valve and make sure only the ON OFF STAT switch is connected 10 Turn the control knob on the valve to ON and turn the ON OFF STAT switch to ON At this point the multi meter should show more than 300 mV A If a thermostat or remote control is to be connected it can be done now At this point the multimeter should show more than 175 mV 139478 Rev o2 GF373 BF Figure 23 Thermopile system check Problems With the Flame Pattern Tall narrow yellow flames These flames can soot the vent system and may result from the following conditions Insufficient Oxygen Supply For Propane and Natural Gas the air shutter should be fully open Loosen the air shutter wing nut under the stove and pull it forward toward yourself as far as it will go See fig 13 Warning To avoid burns do not adjust the air opening until the burner has cooled down e Blocked Orifice Make sure the main orifice fig 14 is dirt free and that the orifice is the appropriate size See technical data Poor draught in the vent system may be due to improper installation or because the vent is not inclined toward the chimney Tall blue flames The cause may be too much oxygen Check for correct air volume by measuring the opening fig 13 at the air shut ter The cause
24. panel has been removed is cracked or is open E Replacement of the glass should be done by a licensed or qualified service person Only remove glass for routine service Always handle glass carefully E Do not burn solid fuel in the appliance E Do not place combustible material on or near the appliance as the appliance becomes hot E This appliance becomes hot in use so it advisable to keep young children the aged or infirm and animals at a safe distance using a fireguard conforming to BS6539 or BS6778 to provide extra protection 139478 Rev o2 GF373BF Installer Information Minimum clearances from combustible material to vent system Horizontal vent pipe From the top of the vent pipe to combustible material 50mm From the side and the bottom of the vent pipe to combustible material 25mm Vertical vent pipe From all sides of the vent pipe to combustible material 25mm Clearances for position of flue vent system Clearance under porch covered entrance story or balcony that has at least two open sides under the floor 3oo mm Clearance to window or door that can be opened 300 mm Clearance to permanently closed window recommended clearance to avoid condensation on the window 300 mm e Vertical clearance from vent to roof soffit mm Clearance to exterior corner 230 mm Clearance to interior corner minimum 150 mm Clearance surrounding gas meter installed regulator in horizontal d
25. quired to operate the appliance for at least 20 minutes before mea suring the burner pressure GAS TYPE Burner Pressure Hot mbar Natural Gas G20 9 20 mbar Propane G37 26 7 mbar Inspection of the Pilot Flame The pilot flame should have three flames as shown in fig 18 The center pilot should align with the carry over ports on the burner without ember stone interference The two thermo elements should be fully engulfed by the two other flames as shown in fig 19 The flames should be stable and the colour mainly blue If you detect a deviation from this turn off the pilot flame and call for service Annual Service Annual service of the appliance includes the following check points lighting and inspection of the pilot flame see the section Inspection of the Pilot Flame above Cleaning the glass The gasket around the glass must be inspected annually for wear and replaced if necessary Check if the textured embers need to be replaced 14 17 Valve Pressure Tap locations Figure 18 Proper pilot flame carry over alignment Figure 19 The thermocouple and thermopile should be full engulfed bythe pilot flames ie Look for soot It could be a result of the ceramic logs not being centred in the stove and completely pushed onto the metal plate or the air regulator has been adjusted incorrectly see section xx Adjusting the burner
26. r resistance ohm will have great impact on such a small voltage If resistance is too great the gas valve may not receive enough voltage to operate If there is too much resistance the cause may be that the copper wire conducting the voltage is too long or there are too many connections If the copper wire comes in contact with metal it may increase resistance and consequently reduce the voltage When the Pilot Goes Out But the Gas Supply is OK This is the trouble shooting procedure for the thermo couple fig 22B Check the copper wire F of the thermo couple for cracks or damage Check the gasket C at the valve by loosening the nut that holds the copper wire Look for signs of damage if the nut has been tightened too hard A damaged gasket results in resistance at contact with metal and conse quently the voltage to the valve will be too small Make sure the flame is centred at the thermocouple Make sure the thermocouple is enveloped by the flame up to at least 3 mm from the tip see fig 19 Check the voltage generated by the thermocouple Connect the multimeter fig 22 E with plus to the ball point D at the end of the copper wire Connect minus to the copper wire Light the pilot A and hold in the control knob to prevent the flame on the pilot burner from going out At this point the multimeter should show 14 28 mV at the thermocouple Note that there are 2 threaded holes that can be used when installing a new th
27. rebox glass frame 4 Remove 2 8 sheet metal screws from top of burn chamber Fig 6 5 Inside firebox remove 2 8 screws to uninstall the exhaust restrictor Fig 7 6 Slide plate to the rear and reattach using the secondary holes 7 Reassemble baffle and other components 139478 Rev o2 GF373 BF Figure 6 Top Baffle removal Remove 2 x 8 self tapping screws from top of burn chamber Figure 7 Adjust the Exhaust Restrictor for the appropriate vent configuration Exhaust Restrictor 139478_Rev_o2_GF 373 BF Assembly Prior To Installation The firebox contains a propane Fuel Conversion Kit and a Log Set that includes a bag of textured Ember Stones 1 Prior to installing the Log Set or Fuel Conversion Kit remove the skamol panel shipping bracket from the rear burner skirt as shown in Fig 10 2 If propane fuel is to be used install the LP Fuel Conver sion Kit before installing the Log Set See pages 11 12 Log Set Installation WARNING The ceramic fuel effect logs should only be arranged by qualified service engineer and under no circumstances should extra elements be added to the fuel effect i e extra logs or Coals or the fuel bed be changed Use gloves to handle log parts 1 Engage the Bottom Log with the two center pins in the burner plate Fig 9 2 Lean the Right Log up against the upper right corner of the firebox and engage its toe with the indentation in the Bottom Log Fig
28. t outlet D but too low at outlet E then the fault or leak must be located after the valve Note SIT valves are always equipped with a fine filter at the inlet to prevent debris from entering into the valve Consequently a clogged valve is not a common occur rence If gas tubes are dismantled all gas tubes must be reinstalled and checked for gas leaks prior to operating the appliance When the Pilot Goes Out Problems With the Gas Supply This is the trouble shooting procedure for the gas supply Remember to push in the gas control knob for at least 30 seconds Make sure the flame is centred at the thermo couple Make sure the thermocouple is enveloped by the flame up to at least mm 1 8 from the tip fig 19 If the flame is abnormally large or small check the gas pressure first See section about gas pressure page 14 Then check for errors dirt or corrosion on the pilot burner the pilot orifice and the gas supply to the pilot burner Note There could be a leak after the valve even if the pressure is OK at outlet E You should therefore always check for leakage Figure 26 139478 Rev o2 GF373 BF Thermocouple Fig 22 and Thermopile Fig 23 A thermocouple is in principle a thermal generator and consists of a copper wire copper nickel alloy and an iron wire twisted together These wires will create friction and generate 25 millivolt when exposed to a temperature difference of 200 C This voltage is suffici
29. te of non combustible material is required if the is to be placed on carpet vinyl linoleum or other combustible material 139478_Rev_o2_GF 373 BF Position of Appliance Figure 2 15 5 8 Minimum Clearances 73 ai e Rear 3 76 mm from Rear of the unit Ceiling 16 3 4 425 mm from Stove Top Corner 5 127 mm from Stove Top e Sides 7 178 mm from Stove Top Acombustible shelf may not be placed within 520 mm of the top of the appliance Minimum Clearances from the Vent Pipe to Combustibles Horizontal Run e Off the top of the pipe 2 51 mm Figure 3 Alcove 7 178 mm Off the sides and bottom 1 25 mm Vertical Run All sides 1 25 mm Alcove Specifications Maximum Alcove Depth 21 3 4 55 2 cm Minimum Alcove Width 311 4 79 3 cm Corner Installation Minimum Ceiling Height 62 1 4 158 1 cm Figure 4 15 5 8 397mm 139478 Rev o2 GF373BF Vent system Note During the installation of the vent it is important to adhere to national and local regulations that apply The system must only be installed with a vent system approved by J tul Only one single stove may be connected to the vent system The vent system must terminate outdoors The vent system is a balanced system 100 of the combus tion air is supplied from outside the house and all exhaust gas is returned to outside the house The vent pipe is a coaxial pipe in which t
30. ter all the way back over the injector Reinstall the Burner Plate by engaging the venturi tube with the Air Shutter BE CERTAIN THE BURNER IS LEVEL AND SECURELY SEATED ON THE SUPPORT LEGS ON THE FIREBOX FLOOR Replace the variable regulator Using a Torx T 20 screwdriver remove the two specialty screws from the regulator tower on the front of the valve Note To help identify which screws to remove refer to the new regulator in the kit See fig 16 Install the new variable regulator tower from the kit Be sure that the gasket is properly positioned and tighten screws securely 10 Set the Air shutter for the appropriate fuel See fig 16 1 12 Propane FULLY OPEN slide the wing nut all the way forward to the first hash mark on the bottom plate Natural Gas 50 OPEN half of its allowed travel to the second hash mark on the bottom plate Apply the identification labels to the stove so that they can be seen by any person that may be servicing the stove e Label A Apply to front lip of the valve compartment e Label B Apply to the Rating Plate e Small valve sticker Apply to valve 12 Install the Log Set See page 10 13 Apply anti seize lubricant to the socket head glass frame screws before reinstalling the glass frame 14 Apply gas to the system and check for leaks using a soapy water solution or gas sensor 15 Follow the guidelines on page 14 for testing and confirming
31. v_o2_GF 373 BF Annual service year 5 Sign Company Date Service details Annual service year 6 Sign Company Date Service details Annual service year 7 Sign Company Date Service details Annual service year 8 Sign Company Date Service details Annual service year 9 Sign Company Date Service details Annual service year 10 Sign Company Date Service details 23 zo Aay 8 61 S Aueniga4 This appliance must be installed in conformance with local and national building regulations Before beginning the installation it is important that these instructions be carefully read and understood Jotul maintains a policy of continuous product development Consequently products may differ in specification color or type of accessories from those illustrated or described in various publications J tul AS P O Box 1411 N 1602 Fredrikstad Norway J tul North America Inc 55 Hutcherson Drive Gorham Maine 04084 J tul UK Limited Unit 1 The IO Centre Nash Road iy Park Farm North Redditch Worcestershire UK B98 7AS JOTU L Tel 01527 506010 Fax 01257 528181 www jotuluk com
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