G24 Griddle Service Manual
Contents
1. ee00 4 Technical Specifications 5 Table A Exterior Dimensions 5 Table B Gas Flow Rate Per Model 5 Table C Nominal Heat Input Net Per Model 5 Table D Injector SiIZ eee eee eee 6 Table E Setting Pressure For Min Fap POSION gcc2ken6 cdcmcetsewneradiaxerseens 6 Table F Aeration Shutter Setting Pilot Flame Length 2 ssccscerscueddceonsevces 6 Table G Australia Only Injector Size NGC And Pressure c sccceasdeeresedeeecaes 6 Introduction sssssssosessssssesss 7 Unciti Gea eirean n a 7 Product Application cc cece ee ees 7 Optional Extras 10s sien icanacelaadasadeeseee 7 Rating Plate sscs 00 sswareersaeavecwntieewers 7 Installation wns cs cot ccuvstateeerekeuvene 8 Statutory Regulations 0ee ewes 8 Australia Specific Clause cece eee 8 DING 5 sakhre spe drain E EE aoe care 8 ClEANGINCES oxi decivetetenscdamcecueeanteans 8 Ventilation Air secs eccsccdeesseecsewsedees sey 8 Gas Connectors eacee riea eri vane 8 Gas Supply ossssnnnunssrerunrnrrrsrer renn 8 Installation Procedure ici s c0cedssensesveaceks 9 Leg Installation lt 034 sceatvexeeeavecwateseeeas 9 Installation Of Counter Stands Optional 9 Part 4521357 12 07 COMMISSIONING sssssssssssseeee 10 Burner Adjustments eceeeeeeeeee 10 Operation Instructions 11 Operating Controls aiscs 0asssasardeseusoess 11 Lighting Th2. LOW FLAME Part 4521357 12 07 Page 11 ROUTINE MAINTENANCE amp CLEANING General Cleaning Painted Finishes Establish a regular cleaning schedule Any spills should be wiped off immediately The unit should be allowed the cool down before cleaning any surfaces Wipe exposed cleanable surfaces when cool with a mild detergent and hot water Stubborn residue spots may be removed with a scouring pad Dry thoroughly with a clean cloth Stainless Steel Stainless steel should be cleaned using a mild detergent a soft cloth and hot water If it is necessary to use a non metallic scouring pad always rub in the direction of the grain in the metal to prevent scratching Wash a small area at a time and rinse the washed area with a clean sponge dipped into a disinfectant and wipe dray with a soft cloth before it can dry Use only stainless steel or wood or plastic tools to scrape off heavy deposits of grease or oil Do not use ordinary steel scrapers or knives as particles of iron may become embedded are rust NEVER USE STEEL WOOL Griddle Seasoning Remove all factory applied protective material by washing with hot water mild detergent or soap solution Apply a thin coat of cooking oil to the griddle surface about one ounce per square foot of griddle surface Spread over the entire griddle surface with a cloth to create a thin film Wipe off any excess oil with a cloth Heat the griddle slowly for 15 to 20 minutes then wipe
3. INSTALLATION continued Where it is not practical to do this an automatic isolation valve system shall be fitted which can be operated from a readily accessible position near to the exit At locations where the manual isolation valve is fitted or the automatic system can be reset a notice MUST be fitted stating ALL DOWNSTREAM BURNER AND PILOT VALVES MUST BE TURNED OFF PRIOR TO ATTEMPTING TO RESTORE THE SUPPLY AFTER EXTENDED SHUT OFF PURGE BEFORE RESTORING GAS Installation Procedure 1 Carefully remove unit from carton All packing material must be removed from the unit On stainless steel units the protective material covering the stainless steel must be removed immediately after unit is installed 2 Place the appliance in the required position and level by means of the leveling feet 3 Connect the gas supply pipe work to the appliance The connection is made to the rear left hand side of the appliance A gas isolation cock must be fitted in the supply to the appliance The gas isolation cock must be sited in a position which is easily accessible to the user Part 4521357 12 07 Leg Installation The leg channel is located on the package base This channel must be installed when using the legs BOTTOM OF UNIT LEG CHANNEL QTY 2 4 102mm ADJUSTABLE LEG QTY 4 LEG INSTALLATION Installation Of Counter Stands Optional 1 Assemble and level the counter stand as illustrated in the instruct
4. 23 3rd family gases Propane Ensure that you have the correct pilot injector before replacing Upon completion of all the above operations follow the section in the manual on Commissioning and ensure that the setting pressure and all burner flame settings are adjusted accordingly Part 4521357 12 07 FAULT FINDING PROBLEM POSSIBLE CAUSE SOLUTION Burner flame too large Incorrect setting pressure or injector Check setting pressure and injector Burner flame soft yellow tip Insufficient primary air Check primary aeration for blockage Pilot burner flame too small Check pilot flame adjustment Delayed Ignition Burner ports blocked Clean blocked burner ports i Pilot orifice blocked Clean pilot jet Pilot burner will not ignite h Pilot adjusting screw closed Open pilot adjuster Pilot flame too small Check pilot Pilot Keeps Extinguishing Faulty thermocouple Replace thermocouple Faulty flame safety device Replace flame safety device Low millivolt output on open circuit Pilot flame too small Adjust pilot flame length test Defective thermocouple Replace thermocouple Millivolt output high in open circuit test i oe Faulty flame safety device Replace flame safety ta but low in closed circuit test a y Ba a y tap Millivolt output high on closed circuit test but flame safety tap will not stay Faulty flame safety device Replace flame safety tap open SAFETY CONCERNS It is essential that the in
5. clean it but care must be taken to be sure it is thoroughly removed After removing the detergent the surface plate should be covered with a thin film of oil to prevent rusting To remove discolorations use a non abrasive cleaner Before re using the griddle must be reseasoned Keep the griddle drain tube to the grease container clean at all times CAUTION This griddle plate is steel but the surface is relatively soft and can be scored or dented by the careless use of a spatula Be careful not to dent scratch or gouge the plate surface as this will cause food to stick in those areas Note that since this is a steel griddle if a light coating of oil is not always present rust will develop on the exposed and uncoated areas Part 4521357 12 07 MAINTENANCE amp SERVICING INSTRUCTIONS To ensure efficient and safe operation of the appliance it is recommended that servicing be carried out by a competent person at regular intervals the frequency of which will vary depending on the installation conditions and usage Usually once per year is adequate WARNING Turn off the gas supply to the appliance at the service cock before commencing any servicing work IMPORTANT Test for gas soundness on completion of any servicing work Gas Taps Re greasing of the taps is not recommended If the tap spindles become seized or difficult to turn refer to the Replacement of parts section in this manual Main Burners Cleaning
6. of the vent is related to the maximum rated heat input of the appliance and shall be4 5 cm2 per kW in excess of 7 kW Note 2 Air vents should be of such a size to compensate for the effects of any extract fan in the premises Gas Connection The gas pipe connection is made at the left hand side of the equipment The size of the pipe work supplying the appliance must not be less than the inlet connection which is ISO 7 R 3 4 After installation the complete pipe work must be checked for soundness Gas Supply The local gas region should be consulted at the installation planning stage in order to establish the availability of an adequate supply of gas and to ensure that the meter is adequate for the required flow rate The pipe work from the meter to the appliances must be of an appropriate size Where a number of appliances are installed in a battery no more than five should be served by any one supply pipe All fixed non mobile appliances MUST be fitted with a manual gas cock upstream of the appliance to provide a means of isolation for servicing or cleaning purposes A union or similar means of disconnection must be provided between the gas cock and the appliance A manually operable valve must be fitted to the gas supply to the kitchen to enable it to be isolated in an emergency Wherever practical this shall be located either outside the kitchen or near to an exit in a readily accessible position Part 4521357 12 07
7. then blowing them out Listen for the flame failure valve clicking closed This action must occur within 60 seconds of extinguishing the pilot 4 Clean out grease drawer and wash thoroughly in hot soapy water Dry thoroughly Gas Taps 1 Pull the control knob off each tap and remove the grease drawer and the upper amp lower fascia panels 2 Disconnect the thermocouple connection at the rear of the gas tap 3 Disconnect the pilot and main burner tubing connections at the gas tap Page 13 REPLACEMENT OF PARTS continued 4 Break the compression nut at the inlet of the gas tap and replace the tap 5 Reassemble in the reverse order Pilot Burner Thermocouple Spark Electrode 1 Remove the main burner following the procedure given under Maintenance amp Servicing 2 Remove the grease drawer amp upper amp lower fascia panels to access the multifunctional control 3 Disconnect the thermocouple connection at the rear of the gas tap 4 Disconnect the pilot tube connection thermocouple connection at the gas tap CONVERSION INSTRUCTIONS Servicing must be carried out by a competent person in accordance with the law WARNING Turn off the gas supply to the appliance at the service cock before commencing any servicing work IMPORTANT Test for gas soundness on completion of any servicing work 1 Ensure that all of the parts necessary to make the conversion have been supplied as follows a Injector
8. 1 Lift off the griddle plate Use caution This will require assistance due to the weight of the griddle 2 Lift the rear of the burner and slide backwards off the injector 3 Clean the burners with a stiff scrubbing brush 4 Shake well to remove any debris from the inside of the burner 5 Reassemble in the reverse order REPLACEMENT OF PARTS WARNING Turn off the gas supply to the appliance at the service cock before commencing any servicing work IMPORTANT Test for gas soundness on completion of any servicing work Part 4521357 12 07 Pilot Burners Cleaning 1 Remove the main burners Refer to the section titled Main Burners Cleaning 2 Disconnect the pilot gas supply pipe from the pilot jet 3 Remove the pilot jet 4 Clean by blowing through or washing Do not use a wire to clear the pilot jet 5 Reassemble in the reverse order Miscellaneous 1 Check for loose fasteners Tighten as necessary 2 Wipe exposed cleanable surfaces with a mild detergent and hot water Stubborn residue may be removed with a lightweight non metallic scouring pad Stainless steel areas should be washed with a mild detergent hot water and a soft cloth If necessary to use a non metallic scouring pad always rub in the direction of the grain in the metal to prevent scratching NEVER USE STEEL WOOL 3 Check the operation of all thermocouples and flame safety devices by lighting the pilots individually and
9. DLE PLATE 38 mm ae 10 1 4 327mm 259mm FLAME SAFETY DEVICES FITTED GAS GRIDDLE BASE MODEL NUMBER 1 1 2 13 7 8 352 mm 4 102mm eae taf 772mm 38mm 3 4 NPT INLET G24 24 G24 36 1 NPT GAS INLET G24 48 G24 60 G24 72 Page 4 NOMINAL WIDTH OF GRIDDLE IN INCHES G24 24GFSD 24 610mm 36 914mm Part 4521357 12 07 TECHNICAL SPECIFICATIONS Table A Exterior Dimensions mm ms mm ms mm ms o tb soeaaars 324 1275 129 r1 3075 227 s0 feaxcoars gt 324 1275 asza eo rer 307s 272 00 Table B Gas Flow Rate Per Model MODELS m3 h kg h wos came hese terete Table C Nominal Heat Input Net Per Model G20 20 mbar NATURAL GAS ee 25 ae NATURAL GAS G31 37 50 mbar PROPANE MODELS Nominal Heat Input G20 G25 Nominal Heat Input kw BTUHR MJ HR kw BTU HR MJ HR G24 24GFSD 18 16 61 400 54 600 64 8 57 6 61 400 Part 4521357 12 07 Page 5 TECHNICAL SPECIFICATIONS continued Table D Injector Size G20 G25 20 25 mbar G31 37mbar G31 50 mbar MODEL NATURAL PROPANE PROPANE Cios mm e mm ie mm NOTE The pressure must be measured at the pressure test nipple located on the main manifold pipe with all burners lit Table E Setting Pressure For Min Tap Position 2ND Family Group H 3RD Family Group 3P MODELS G20 20 mbar NATURAL GAS G31 37 50 m
10. Garland INSTALLATION OPERATION AND SERVICE MANUAL G24 SERIES GAS OPERATED COUNTER GRIDDLE FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE WARNING IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE INJURY OR DEATH READ THE INSTALLATION OPERATING AND MAINTENANCE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR SERVICING THIS EQUIPMENT PLEASE READ ALL SECTIONS OF THIS MANUAL AND RETAIN FOR FUTURE REFERENCE THIS PRODUCT HAS BEEN CERTIFIED AS COMMERCIAL COOKING EQUIPMENT AND MUST BE INSTALLED BY PROFESSIONAL PERSONNEL AS SPECIFIED For Your Safety Post in a prominent location instructions to be followed in the event the user smells gas This information shall be obtained by consulting your local gas supplier Users are cautioned that maintenance and repairs must be performed by a Garland authorized service agent using genuine Garland replacement parts Garland will have no obligation with respect to any product that has been improperly installed adjusted operated or not maintained in accordance with national and local codes or installation instructions provided with the product or any product that has its serial number defaced obliterated or removed or which has been modified or repaired using unauthorized parts or by unauthorized service agents For a list of authorized s
11. away the oil Repeat the procedure 2 to 3 times until the griddle has a slick mirror like finish Do this until you have reached the desired cooking temperature IMPORTANT Do not attain a high griddle temperature 232 C 450 F during the break in period NOTE Steel griddle surface will tone blue discoloration from the heat This toning will not diminish function or operation and is not a defect Page 12 Griddle Cleaning To produce evenly cooked browned griddle products keep the griddle free from carbonized grease Carbonized grease on the surface hinders the transfer of the heat from the griddle surface to the food product This results in uneven browning and loss of cooking efficiency and worst of all carbonized grease tends to cling to grilled foods giving hem a highly unsatisfactory and unappetizing appearance To keep the griddle clean and operating at peak performance follow these simple instructions After each use Clean griddle thoroughly with grill scraper or spatula Wipe off any excess debris left from the cooking process Once a day Clean griddle surface with a grill brick and grill pad Remove the grease container and clean thoroughly in the same manner as any ordinary cooking utensil Once a week Clean the griddle surface thoroughly If necessary use a grill stone or grill pad over the griddle surface Rub with the grain of the metal while still warm A detergent may be used on the surface to help
12. bar PROPANE O moar we O mbar O O we Table F Aeration Shutter Setting Pilot Flame Length G20 G25 20 25 mbar Pilot Flame Length MODELS NATURAL GAS G31 37 50 mbar PROPANE Table G Australia Only Injector Size NGC And Pressure NATURAL GAS PROPANE GAS MODELS MJ H Pressure MJ H Pressure kPa kPa Page 6 Part 4521357 12 07 INTRODUCTION IMPORTANT The following instructions should be read carefully as the manufacturer cannot be held responsible for any damage to property persons or animals caused by incorrect installation or operation of the appliance You have purchased the finest commercial cooking equipment available Like any other fine precision built piece of equipment it should be given regular care and maintenance Your new equipment must be installed and adjusted by a competent person in accordance with the law Failure to install appliances correctly could lead to prosecution It is in your own interests and that of safety to ensure that the law is complied with Your Garland dealer is well qualified to provide this service Periodic inspections by your dealer or qualified service company are recommended to check temperatures burner adjustments and to ensure that moving parts are operative Whenever possible avoid overheating idle equipment as this is the primary cause for increased service cost Regular maintenance ensures peak performance Uncrating 1 Check crate for
13. e Griddle ccc eee eee 11 SAEY ceca ens eu E E E O 11 Routine Maintenance amp Cleaning 12 General Cleaning 3 iasdaveviasavedscaenatens 12 Painted Finishes 00eeeeeaee 12 Stainless Steel uenn 12 Griddle Seasoning sis4 caccsase seceatercew es 12 Griddle Cleaning 4 4 csi0sivasanawianessedes 12 Maintenance amp Servicing Instructions 13 GS Ta E de ks cbkecenscoancdissvenseens 13 Main Burners Cleaning 0eeeeee 13 Pilot Burners Cleaning 0eee0ee 13 Miscellaneous 0c cece eee eee ee eenes 13 Replacement Of Parts 13 G06 E o ia o sasw essen E E 13 Pilot Burner Thermocouple Spark Electrode 14 Piezo IQNINON sc c2ssedvacseadwsandasediacadexeks 14 Conversion Instructions 14 Fault Finding cccceeeeeeees 15 Safety Concerns eee eee eens 15 Page 3 MODEL DESIGNATION MODEL G24 24GFSD G24 36GFSD G24 48GFSD G24 60GFSD G24 72GFSD SUFFIX DEFINITIONS DESCRIPTION 610 mm wide x 324 mm high heavy duty counter top griddle 914 mm wide x 324 mm high heavy duty counter top griddle 1219 mm wide x 324 mm high heavy duty counter top griddle 1524 mm wide x 324 mm high heavy duty counter top griddle 1829 mm wide x 324 mm high heavy duty counter top griddle G24 24 36 48 60 72 G FSD 3 4 NPT INLET G24 24 G24 36 1 NPT GAS INLET 171mm G24 48 G24 60 G24 72 HEIGHT OF GRID
14. e front panels Pilot Adjuster Low Flame Adjuster Test Point Tell the user of the location of the gas isolation cock for use in an emergency Leave this Manual with the user or purchaser Part 4521357 12 07 OPERATION INSTRUCTIONS Operating Controls Lighting The Griddle cl NOTE Ensure the gas supply to the appliance is turned ON During the initial ignition cycle air must be purged from the gas line and thus it may take one or two minutes for the pilot burner to ignite 1 Push in the tap and turn it counter clockwise to the ignition position k 2 Holding the tap fully in light the pilot with a match or taper 3 When the pilot is lit continue to hold the tap fully in for 20 seconds then release it If the pilot goes out wait for five 5 minutes then repeat from step 1 4 When the pilot is established push the tap in and turn it counter clockwise to the full flame NG position 5 For low flame or simmer push the tap in and turn it IGNITION counter clockwise to the low flame position 6 To shut the burner off turn the dial to the symbol and the safety device will disengage within 60 seconds Safety It is the responsibility of the supervisor or equivalent person to ensure that users of this equipment wear suitable protective clothing and to draw attention to the fact that some parts will by necessity become very hot and will cause burns if touched accidentally
15. ervice agents please refer to the Garland web site at http www garland group com The information contained herein including design and parts specifications may be superseded and is subject to change without notice GARLAND COMMERCIAL INDUSTRIES 185 East South Street Freeland Pennsylvania 18224 CANADA Phone 570 636 1000 Phone 905 624 0260 Fax 570 636 3903 Fax 905 624 5669 Part 4521357 12 07 GARLAND COMMERCIAL RANGES LTD 1177 Kamato Road Mississauga Ontario L4W 1X4 Enodis UK LTD Swallowfield Way Hayes Middlesex UB3 1DQ ENGLAND Telephone 081 561 0433 Fax 081 848 0041 2006 Garland Commercial Industries Inc IMPORTANT INFORMATION WARNING This product contains chemicals known to the state of california to cause cancer and or birth defects or other reproductive harm Installation and servicing of this product could expose you to airborne particles of glass wool ceramic fibers Inhalation of airborne particles of glass wool ceramic fibers is known to the state of california to cause cancer Operation of this product could expose you to carbon monoxide if not adjusted properly Inhalation of carbon monoxide is known to the state of california to cause birth defects or other reproductive harm Keep appliance area free and clear of combustibles Page 2 Part 4521357 12 07 TABLE OF CONTENTS Important Information 2 Model Designation
16. fittings One required for each main burner b Pilot injector fittings One required per pilot burner c Gas adjustment label One required per unit d Data plate One required per unit If any of the required parts are missing contact your Garland dealer before attempting to carry out the conversion NOTE Conversion kits supplied for G31 gas will contain redundant fittings and markings covering both 37 mbar amp 50 mbar gas supplies Page 14 5 Remove the two 2 screws that secure the pilot mounting bracket to aeration pan and remove the pilot burner thermocouple or electrode as appropriate 6 Replace the faulty component and reassemble in the reverse order Piezo Ignitor 1 Pull the control knob off each gas tap on the unit 2 Remove the lower fascia panel 3 Remove the wire lead from the piezo ignitor amp remove the ignitor from the panel 4 Replace with new ignitor amp reassemble in the reverse order 2 Remove the burners following the instructions given in this manual 3 Replace each injector fitting with the new fitting that is supplied NOTE Before doing so refer to Table D Table G for Australian Models in this manual to ensure that the correct injector has been supplied for the gas supply being converted to 4 Replace each pilot injector fitting with the new fitting supplied NOTE There are two sizes of pilot injectors identified as follows a 32 2nd family gases Natural Gas b
17. ions found in the counter stand carton Remove and discard the levelling bolts on the unit to be installed on the stand Place the unit in the desired position on the counter stand securing with the fasteners provided with the counter stand Page 9 COMMISSIONING The whole of the gas installation including the meter should be inspected purged and tested for soundness in accordance with the codes of the Country of destination 1 Ensure that all controls are in the position and turn on the main gas supply 2 Remove the grease drawer amp upper amp lower fascia panels and connect a U gauge manometer to the pressure test point on the main manifold Operate the main burners in accordance with the instructions given in the Operation Instructions 3 Check that the supply pressure is correct If necessary adjust the supply pressure to give the required setting Burner Adjustments Fixing Screw Injector Location Required Length of Opening Aeration Shutter Page 10 Minimum Flame Setting 1 2 Set gas tap to low I position Connect a U gauage manometer to the pressure test nipple located downstream of the gas tap With a screw driver turn the adjuster on the tap body clockwise to reduce or counter clockwise to increase pressure Set pressure to correspond with Table E When all the settings have been checked remove the U gauge manometer replace the pressure test point screw and th
18. is not considered a defect Clean with a stainless steel or fiber pad A light coating of salt free oil may be applied to prevent further rusting Optional Extras Counter Stand e Legs Rating Plate The rating plate is readily accessible located behind the grease drawer It contains all of the pertinent information required by the installer In the event you have any questions concerning the installation use care or service of this or any other Garland product write or call our Product Service Department When corresponding with the factory or your equipment dealer regarding service problems or replacement parts be sure to refer to the particular unit by the correct model number including prefix and suffix letter and numbers and serial number The rating plate affixed to the unit contains this information For proper operation the fuel information on the rating plate of your new equipment must match you fuel supply Page 7 INSTALLATION Statutory Regulations The installation of this appliance must be carried out by a competent person and in accordance with the relevant regulations standards codes of practice and the related publications of the Country of destination Failure to install appliances correctly can lead to prosecution It is in your own interests and that of safety to insure that there is compliance with the law Australia Specific Clause This appliance must be installed in accordance with the manufac
19. possible damage sustained during transit Carefully remove unit from crate and again check for damage Any damage to the appliance must be reported to the carrier immediately 2 The wires for retaining the burners amp other packing material must be removed from unit Any protective material covering stainless steel parts must also be removed 3 The type of gas and the supply pressure that the equipment was set up for at the factory is noted on the data plate and on the packaging This type of gas supply must be used 4 Do not remove permanently affixed labels warnings or data plates from the appliance for this may invalidate the manufacturer s warranty Part 4521357 12 07 Product Application Griddle tops are designed to have food cooked directly on the surface Do not put pots or pans on the griddle surface This will scratch or nick the surface and result in improper cooking or sticking of the product Never salt food overa griddle since this will build up gummy residue making it difficult to clean Avoid hitting the surface of the griddle with the edge of a spatula since this will cause nicks The most frequently used temperature are 149 C to 177 C 300 F to 350 F After one firing the griddle plate will discolor This is normal and will not affect the performance NOTE Many parts of the griddle are made from raw steel i e the griddle plate and can react with moisture forming surface rust This is normal and
20. structions in the booklet be strictly followed for the safe and economically operation of the equipment If it is known or suspected that a fault exists on the appliance then it must not be used until the fault has been rectified by a competent person Part 4521357 12 07 Page 15 Garland
21. turers instructions local gas fitting regulations and requirements of AS 5601 AG 601 installation code All burner adjustments and settings should be made by a qualified gas technician Siting The base on which the unit is to be sited must be firm smooth and capable of adequately supporting the weight of the appliance and any ancillary equipment Refer to table A for weight specifications Once in position check that the unit is level both front to back and side to side Adjust if necessary using the leveling feet on the four corners of the legs fitted Any openings in the wall behind or beside the appliance must be sealed Clearances The space in which the appliance is to be sited must include the minimum installation clearances to combustible surfaces Minimum Installation Clearances To Adjacent Combustable Walls All Models AEN amp 15amm Type Of Floor Or Base Non Combustible or Combustible with 2 51mm legs Page 8 Ventilation Air The area in which the appliance is installed must be adequately ventilated to provide air for combustion removal of products of combustion etc The use of a mechanical extract system should be considered The following notes are intended to give general guidance For detailed recommendations refer to the applicable code s in the Country of destination Note 1 The room containing the appliance is required to have a permanent air vent The minimum effective area
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