OPERATOR AND SERVICE MANUAL OM/SM-AH-CE
Contents
1. G20 amp sin 631 kW BTU hr KW U hr 85 300 300 25100 100 ET 60 1 9 Injector Diameters Natural amp Propane Gas Natural Natural Propane No of Gas G20 Gas G25 Gas G31 Orifices mm mm mm Injectors AH 20 439 470 264 1 AH 40 457 490 264 1 AH 60 amp 1 10 Gas Pressure Adjustment A pressure test point is fitted on the burner manifold and on the gas control valve 155 AH 80 NATURAL NATURAL GAS G25 PROPANE GAS G31 NOTE With reference to the gas rate pressure adjustments and conversions this appliance is CE approved for use with the following gases a G20 natural gas may be supplied to the appliance in Austria Belgium Denmark Finland France Germany Greece Iceland Ireland Italy Luxembourg Norway Portugal Spain Sweden Switzerland and the United Kingdom b G25 natural gas may be supplied to the appliance in Belgium France and the Netherlands c 331 propane gas may be supplied to the appliance in France Germany Ireland the Netherlands Portugal Spain Switzerland and the United Kingdom Use of the appliance with non approved gases in a listed country or use in other countries will void CE certification 1 11 Burner Adjustment The burner has a primary air adjustment The gap should be 1 4 6 35 mm to 3 8 9 53 mm Section 2 Assembly and Commissioning 2 1 Ass2. Service Performed Performed By 30 Limited Warranty To Commercial Purchasers for Areas Outside of the U S and Canada Groen Foodservice Equipment Groen Equipment has been skillfully manufactured carefully inspected and packaged to meet rigid standards of excellence Groen warrants its Equipment to be free from defects in material and workmanship for 12 twelve months from date of installation or 18 eighteen months from date of shipment with the following conditions and subject to the following limitations VI This parts warranty is limited to Groen Equipment sold to the original commercial purchaser users but not original equipment manufacturers at its original place of installation in areas outside the U S and Canada Damage during shipment is to be reported to the carrier is not covered under this warranty and is the sole responsibility of the purchaser user Groen or an authorized service representative will repair or replace parts at Groen s sole election for any Groen Equipment including but not limited to draw off valves safety valves gas and electric components found to be defective during the warranty period This warranty does not cover boiler maintenance calibration or periodic adjustments as specified in operating instructions or manuals and consumable parts such as scraper blades gaskets packing etc or labor costs incurred for removal of adjacent equipment or objects to gain acce
3. 0c cece 12 Removal of Pressure Switch 12 Low Water Level Sensor 12 Removal OF IPE BE d ted tek hed ae hed aed ted and ted 13 Pilot Assembly ix i tetriebetebefubetereferteterefaeretetefetetetefeLbetetets 13 Removal of Pressure Gauge 13 Removal of Sight Glass 0 0 0 0 rs 13 Safety Valve 14 Filing Valve 14 Fuse Replacement 14 Troubleshooting 15 User Instructions 17 EquipmentbDescriptiOnr aedes Be ot 17 Lighting and Operation cretese retar eter narn ee eee Eee eee 18 Cleaning and Maintenance 21 Wiring Diagram i dads deeds dads nhe dads does dads dees pass bs 23 Parts 155 4 5 vacate eee eee aba ak eee eae RARE CEDE LE E 24 Service Log ust ist utut eiu eiui gral aoe ck DOS 30 31 OM SM AH CE Introduction These App
4. 8 It is recommended that the unit be sanitized before use 9 If there is difficulty removing mineral deposits or a film left by hard water or food residue clean the kettle thoroughly Then use a de liming agent such as Groen Delimer Descaler P N 114800 or Lime Away from EcoLab Inc in accordance with the manufacturer s directions Rinse and drain the unit before further use 10 If especially difficult cleaning problems persist contact your cleaning product supplier for assistance 22 5 3 4 Safety Precautions A stopcock will be fitted in the gas pipe supplying the appliance The user must be familiar with its location and operation so that it may be turned off in an emergency If there is a smell of gas turn off the gas ventilate the area and call the gas supplier Do not search for gas leaks with naked flames 5 3 5 Service Periodic Maintenance A Maintenance and Service Log is included in this manual Each time maintenance is performed on your Groen equipment enter the date on which it was done what was done and who did it Keep the manual its warranty and the log near the unit Periodic inspection can minimize equipment down time and increase the efficiency of operation The following points should be checked regularly 1 The pressure vacuum gauge should show a vacuum of 20 to 30 inches when the kettle is cold If it does not the unit requires servicing 2 The jacket water level should be betwee
5. 117705 004425 110324 OM SM AH CE Parts Lists Keyed to Parts Listing on Page 29 INSTALL WITH 1 2 BSPT THREADS 5 LL 8 INSTALL WITH 1 2 BSPT THREADS TOWARD GAS VALVE TOWARD GAS VALVE Gas Valve and Piping Assembly AH 1 20 OM SM AH CE Parts List Keyed to Parts Listing on Page 29 INSTALL WITH 1 2 BSPT THREADS 8 hH 8 INSTALL WITH 1 2 BSPT THREADS TOWARD GAS VALVE TOWARD GAS VALVE o Gas Valve and Piping Assembly AH 1 40 27 OM SM AH CE Parts List Keyed to Parts Listing on Page 29 D Q to Q INSTALL WITH 1 2 BSPT THREAD n INSTALL WITH 1 2 BSPT THREAD TOWARDS GAS VALVE 2 B j 3 TOWARDS GAS VALVE 2222 IW o Ui 96 2 Gas Valve E Piping Assembly AH 1 60 1 80 OM SM AH CE Parts List Key Description Part No Key Description Part No 1 90 Elbow 1 2 NPT black 008747 9 Bracket Gas Valve Mounting AH 20 122080 2 Union 3 8 NPT black AH 20 005686 10 Screw Phillips Pan Hd M5 x 10 mm 116388 2 Union 1 2 NPT black AH 40 004186 11 Gas Valve 114505 2 Union elbow 1 2 NPT black AH 60 80 005495 12 Bushing Reducing 1 2 x 1 8 NPT 088290 3 Test Nipple 117051 black AH 40 60 80 4 Cross 1 2 NPT black AH 20 060241 12 Bushing Reducing 3 8 x 1 8 NPT 049943 4 Cross 3 8 NPT black AH 40 60 80 097587 AH 20 5 Nipple 1 2 NPTx4 Lg black 005554 13 Bushing Reducing
6. 40 Burner Assy Natural G20 80 60 Burner Assy Natural G20 40 Burner Assy Natural G20 20 Burner Assy Natural G25 80 60 Burner Assy Natural G25 40 Burner Assy Natural G25 20 Burner Assy Propane G31 80 60 Burner Assy Propane G31 40 Burner Assy Propane G31 20 Burner Injector Natural G20 Burner Injector Natural G20 Burner Injector Natural G20 Burner Injector Natural G25 Burner Injector Natural G25 Burner Injector Natural G25 Burner Injector PropaneG31 80 60 Burner Injector Propane G31 40 Burner Injector Propane G31 20 Radiation Shield Assy AH 1 60 80 Radiation Shield Assy AH 1 20 40 Cover Panel AH 1 80 Cover Panel AH 1 60 Cover Panel AH 1 40 Cover Panel AH 1 20 Insulator Pilot Burner Access Door Pilot Burner Access Hinge Pilot Door Safety Valve amp Water Fill Assembly Plate with Chain Assembly Water Gauge Fitting Sight tube 5 8 Diameter x 4 3 4 lg Pressure Gauge 2 1 2 dia dual scale Overlay Panel Switch Toggle DPST Light Indicator Red 240V Light Indicator Amber 240V Parts Lists Part No Key 013275 43 000388 44 000336 45 000389 46 000337 47 1177304 48 117795 50 117731 1177800 54 117795C 56 117731 57 117730B 58 117795B 58a 117731B 585 000399 586 000280 580 000480 586 127386 58 127385 59 127384 61 000403 62 000281 68 000281 68 000445 68 000448 68 117721 117720 71 117719 73 117718 74 008201 79 004035 80 004114 81 0
7. IMPORTANT INFORMATION KEEP FOR OPERATOR IMPORTANT INFORMATION OPERATOR AND SERVICE MANUAL OM SM AH CE Part Number 128416 Model AH CE Mark Steam Jacketed Kettle Self contained Stainless Steel Gas Heated Floor Mounted Stationary INTERNATIONAL KEEP THIS MANUAL WITH KETTLE DOCUMENTS OPERATORS AND TECHNICIANS SHOULD READ UNDERSTAND AND FOLLOW WARNINGS AND INSTRUCTIONS IN THIS MANUAL THE SERVICE MANUAL AND THE OPERATOR SECTIONS Information contained in this document is known to be current and accurate at the time of printing creation Unified Brands recom mends referencing our product line websites unifiedbrands net for the most updated amp X product information and specifications MADE INUSA TM OM SM AH CE IMPORTANT READ FIRST IMPORTANT IT IS MOST IMPORTANT THAT THESE INSTRUCTIONS AND THE OPERATOR AND SERVICE MANUALS BE CONSULTED BEFORE INSTALLING AND COMMISSIONING THE APPLIANCE FAILURE TO COMPLY WITH SPECIFIED PROCEDURES MAY RESULT IN DAMAGE OR THE NEED FOR A SERVICE CALL THESE APPLIANCES HAVE BEEN CE MARKED ON THE BASIS OF COMPLIANCE WITH THE GAS APPLIANCE DIRECTIVE EMC AND LOW VOLTAGE DIRECTIVE FOR THE COUNTRIES GAS TYPES AND PRESSURES AS STATED ON THE DATA PLATE THESE APPLIANCES MUST BE INSTALLED BY A COMPETENT PERSON IN CONFORMITY WITH THE INSTALLATION AND SERVICING INSTRUCTIONS AND NATIONAL REGULATIONS IN FORCE AT THE TIME PARTICULAR ATTENTION MUST BE PAI
8. body testing must be performed more often A try lever test must also be performed at the end of any non service period Test at or near maximum operating pressure by holding the test lever fully open for at least five seconds to flush the valve seat free of sediment and debris Release the lever and let the valve snap shut If lift lever does not activate or there is no evidence of discharge discontinue use of equipment immediately and contact a licensed contractor or qualified service personnel Neither Conbraco Industries Inc nor its agents assume any liability for valves improperly installed or maintained SAFETY CHECK PIPE GLOBE VALVE VALVE PLUG VALVE This quality Conbraco safety relief valve with proper installation use and maintenance will provide many years of reliable service and protection against excessive pressure build up of water steam Use of this valve for any other purpose or media places all responsibility upon the user Before installing valve or operating equipment to which it is installed read instructions carefully Always wear proper safety equipment INSTALLATION OF SAFETY VALVE 10 100 10 200 10 300 10 500 amp 10 600 Series a Installation must be performed by qualified service personnel only b The Btu hr or Ib hr rating of this valve must equal or exceed that of the equipment to which it is attached use this valve on a coal or wood boiler having an uncontrolled
9. crack or break Replace the electronic spark ignition module Spark is present but the pilot will not Auth That the gas valve is opening i That pressure meets the control manufacturer s specifications For gas at the pilot If it is not flowing 1 Check pilot gas line for kinks or obstructions 2 Clean orifice if necessary 3 Replace the pilot valve Pilot lights but main burner will not Auth a That the gas pressure meets the control come on and spark does not stay Service manufacturer s specifications on Rep Only b Replace electric module 15 OM SM AH CE SYMPTOM WHO WHAT TO CHECK Pilot lights but main burner will not Sensor cable to make certain that there are secure come on the spark stays on attachments to terminal 13 and the sensor Rep Only b Sensor ceramic for cracks That cable is not grounded out If itis correct the ground Sensor cable for continuity and condition of insulation 1 Check the gas pressure 2 Clean the pilot Assembly 3 Tighten mechanical and electrical connections 16 OM SM AH CE 5 User Instructions Regulations and Safety Precautions These Appliances have been CE marked on the basis of compliance with the Gas Appliance Directive EMC and Low Voltage Directive for the Countries Gas Types and Pressures as stated on the Data Plate These appliances MUST BE installed by a competent person in compliance with the INSTALLATION AND SERVICING I
10. heat input d Ensure that all connections including the valve inlet are clean and free from any foreign material OM SM AH CE Use pipe compound sparingly or tape on external threads only DO NOT USE A PIPE WRENCH Use proper type and size wrench on wrench pads only This valve must be mounted in a vertical upright position directly to a clean tapped opening in the top of the boiler or equipment Under no circumstances should there be a flow restriction or valve of any type between the safety relief valve and the pressure vessel WARNING During operation this valve may discharge large amounts of steam and or hot water Therefore to reduce the potential for bodily injury and property damage a discharge line MUST be installed that 1 is connected from the valve outlet with no intervening valve and directed downward to a safe point of discharge 2 allows complete drainage of both the valve and the discharge line 3 is independently supported and securely anchored so as to avoid applied stress on the valve 4 is as short and straight as possible 5 terminates freely to atmosphere where any discharge will be clearly visible and is at no risk of freezing 6 terminates with a plain end that is not threaded 7 is constructed of a material suitable for exposure to temperatures of 375 F or greater 8 is over its entire length of a pipe size equal to or greater than that of the valve outlet Use
11. open handle in line with gas pipe Gas supply to your building Is electric power turned on at the circuit breaker or fuse box and is power being supplied to the appliance Thermostat operation Kettle continues heating after it a Thermostat dial setting reaches the desired temperature AU Service Thermostat operation Thermostat should click when Rep Only the dial is rotated above and below a setting Kettle stops heating before it a Thermostat dial setting Auth b Thermostat calibration Service 16 Thermostat Thermostat should click when the dial is Rep Only rotated above and below a setting Kettle heats slowly User a Airin jacket pressure vacuum gauge 20 to 30 below zero when the kettle is cold User a Airin jacket pressure vacuum gauge 20 to 30 below zero when the kettle is cold b Whether kettle was being heated while empty If high pressure limit switch is set too high Thermostat Thermostat should click when the dial is rotated above and below a setting Safety valve If valve pops below 300 PSIG replace System does not produce a spark Thermostat close the contacts if they are open i AC voltage between terminals 1 and GR If it is not 230 Volt check the high limit switch which should be closed That the high tension cable is firmly attached and in good condition If cracked or brittle replace the pilot Electrode ceramic for
12. supply to the burners should a gas supply interruption occur Options available with listed models are 1 Three inch 7 6 cm tangent draw off valve Factory installed option 2 Basket inserts 3 Water filler with swing spout and bracket 4 Kettle brush kit Operational and Maintenance Safety CAUTION BE SURE ALL OPERATORS READ UNDERSTAND AND FOLLOW OPERATING INSTRUCTIONS CAUTIONS AND SAFETY INSTRUCTIONS IN THIS MANUAL WARNING INSTALLATION OF THE UNIT MUST BE DONE BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY GAS AND PLUMBING IN ACCORDANCE WITH ALL Mero p 553 BEFORE REPLACING ANY PARTS DISCONNECT THE UNIT FROM THE ELECTRIC POWER SUPPLY AND CLOSE THE MAIN GAS COCK ALLOW FIVE MINUTES FOR UNBURNED GAS TO VENT TO PREVENT SHOCKS ALL APPLIANCES WHETHER GAS OR ELECTRIC MUST BE EARTHED 5 2 Lighting and Operation 5 2 1 Initial Kettle Lighting and Operational Readiness Check After the AH Kettle has been installed according to service and installation instructions perform initial start up as a test to ensure that the unit is operating correctly Follow the steps below Refer to the picture for identification of AH controls and indicators 1 Remove all literature and packing material from the interior and exterior of the unit 2 Make sure gas and electricity supplies are switched on 3 Ensure that the kettle is filled with water before lighting 4 Check
13. 1 2 x 3 8 NPT 007442 6 Nipple 3 8 NPT x 4 1 2 Lg black 005635 AH 40 AH 20 13 Bushing Reducing 1 2 x 1 8 NPT 088290 6 Nipple 1 2 NPTx4 Lg black AH 40 005554 AH 60 80 6 Nipple1 2 NPTx5 1 2 Lg black 010234 14 Bushing Reducing 3 8 x 1 4 NPT 013296 AH 60 80 AH 20 7 Nipple 3 8 NPT close black AH 20 007439 14 Bushing Reducing 1 2 x 1 4 NPT 008739 7 Nipple 1 2 NPT close black AH 40 008877 AH 40 7 Nipple 1 2 NPT 3 Lg black AH 60 005553 14 Bushing Reducing 1 x 1 1 2 NPT 002647 7 Nipple 1 2 NPT 4 Lg black AH 80 005554 AH 60 80 8 Nipple 1 2 NPT x 1 2 BSPT brass 116394 16 Nipple 1 2 NPT x 8 Lg black 005557 9 Bracket Gas Valve Mounting 117717 19 Adaptor 1 8 Female BSPP x 122087 AH 40 60 80 1 8 Male NPT 29 OM SM AH CE Service Log The Groen Steam Jacketed Kettle you have just purchased has been handcrafted from the finest materials meticulously inspected and carefully tested to ensure that you receive the best possible product With reasonable care and periodic maintenance it will provide years of faithful service It is recommended that you establish a timetable for periodic maintenance with an Authorized Groen Service Agency Space has been provided in the manual for a Maintenance amp Service Log Keep it up to date and on file Model m Purchased From Serial m Location Date Purchased Date Installed Purchase Order m For Service Call
14. 13 Low Water Level Sensor Turn the gas and electricity mains off a Remove control panel Paragraph 3 5 b Disconnect the electrical lead from the water level sensor c Tilt the kettle slightly to move the water in the jacket away from the sensor coupling on the jacket d Remove the low water sensor from the jacket e Replace in reverse order f Ensure a suitable sealant is used to seal the low water level sensor coupling g Once the low water level sensor is in place check the jacket water level See Paragraph 3 3 Jacket Fillings 3 14 Removal of Burners Turn the gas and electricity mains off a Undo union on gas pipe to burner manifold b Remove the two retaining nuts securing the burner manifold to the combustion chamber c Carefully support the weight of the burner manifold and lower the assembly to a safe position d The burner is accessible and the orifice can be changed as required e Replace in reverse order Always check for gas soundness when any part of the gas circuit has been disturbed 3 15 Removal of Pilot Assembly Spark Sensing Electrodes Turn the gas and electricity mains off a Undo the compression fitting on the pilot line attached to the burner b Remove the two retaining screws securing the spark electrode pilot bracket on the burner c Withdraw the pilot assembly from the burner chamber The pilot orifice can now be changed as required d Disconnect t
15. 97010 82 008332 83 004071 84 008742 85 084208 86 117716 87 122004 88 116381 89 116382 OM SM AH CE Description Switch Push Button momentary Thermostat Thermostat Adapter shaft bushing Screw Rnd Hd slotted 8 32 x 3 8 Ig Knob Thermostat Electrical Panel Assembly Label Wiring Diagram Wire Harness Water Level Electrode Boot Electrode Pressure Switch High Limit TDO Kit replacement parts Valve Stem Bonnet O Ring Hex Nut Handle Wing Nut Bracket Faucet Mounting Data Plate CE Mark Kettles Nameplate Groen Large Cover Assy w Power Aid 1 80 Cover Assy w Power Aid AH 1 60 Cover Assy w Power Aid AH 1 40 Cover Assy w Power Aid AH 1 20 Users Manual Assembly Equipotential Terminal Wire Assembly Supplementary Wire Assembly Flame Rod Adapter 1 2 BSPT M x1 2 NPT F Pilot Ignition Controller Liquid Level Control Relay Liquid Level Control Relay Base Terminal Block Fuse Three Amp Fuse Block Pilot Burner amp Orifice Assy Natural Pilot Burner amp Orifice Assy Propane Pilot Burner Mounting Bracket Water Treatment Kit NOTE See Para 1 10 Page 6 for permissible conversions Not Shown 25 Part No 122003 012313 107172 009697 122000 117732 113077 117727 074665 010390 108559 100573 009048 009047 009034 009354 009029 009028 009054 114504 055450 047694 049884 067417 047695 122039 122021 122013 122034 116392 113060 117737 117738 003119 079965 077854 117704
16. D TO THE FOLLOWING E E REGULATIONS FOR ELECTRICAL INSTALLATIONS ELECTRICITY AT WORK REGULATIONS GAS SAFETY INSTALLATION AND USE REGULATIONS HEALTH AND SAFETY AT WORK ACT LOCAL AND NATIONAL BUILDING REGULATIONS FIRE PRECAUTIONS ACT DETAILED RECOMMENDATIONS ARE CONTAINED IN INSTITUTE OF GAS ENGINEERS PUBLISHED DOCUMENTS IGE UP 1 IGE UP 2 856173 AND BE5440 FURTHERMORE IF A NEED ARISES TO CONVERT THE APPLIANCE FOR USE WITH ANOTHER GAS A COMPETENT PERSON MUST BE CONSULTED THOSE PARTS WHICH HAVE BEEN PROTECTED BY THE MANUFACTURER MUST NOT BE ADJUSTED BY THE USER USERS SHOULD BE CONVERSANT WITH THE APPROPRIATE PROVISIONS OF THE FIRE PRECAUTIONS ACT AND THE REQUIREMENTS OF THE GAS SAFETY REGULATIONS IN PARTICULAR THEY SHOULD BE AWARE OF THE NEED FOR REGULAR SERVICING BY A COMPETENT PERSON TO ENSURE THE CONTINUED SAFE AND EFFICIENT PERFORMANCE OF THE APPLIANCE WARNING TO PREVENT SHOCKS ALL APPLIANCES GAS OR ELECTRIC MUST BE EARTHED UPON COMPLETION OF THE INSTALLATION THE OWNERS MANUAL SHOULD BE HANDED TO THE USERS AND THE INSTALLER SHOULD INSTRUCT THE RESPONSIBLE PERSON S IN THE CORRECT OPERATION AND MAINTENANCE OF THE APPLIANCE THIS EQUIPMENT IS ONLY FOR PROFESSIONAL USE AND SHALL BE OPERATED BY QUALIFIED PERSONS IT IS THE RESPONSIBILITY OF THE SUPERVISOR OR EQUIVALENT TO ENSURE THAT USERS WEAR SUITABLE PROTECTIVE CLOTHING AND TO DRAW ATTENTION TO THE FACT THAT SOME PARTS WILL BY NECESSITY BECOME VERY HOT AND WI
17. H 80 302 8 Liters 43 5 Liters b Hang a strip of pH test paper on the rim of the container with about 3 cm of the strip extending below the surface of the water c Measure the water treatment compound you will be using One way is to add the compound to the water from a small measuring cup d Stir the water continuously while you slowly add water treatment compound until the water reaches a pH between 10 5 and 11 5 Judge the pH by frequently comparing the color of the test strip with the color chart provided in the pH test kit e Record the exact amounts of water and treatment compound used These amounts may be used again if the same sources of water and compound are employed to refill the jacket in the future However it is advisable to check the pH every time water is prepared for the jacket f For optimum performance use correctly treated distilled water 3 5 Removal of Control Panel a Remove the two screws at the panel base b Remove panel c Replace in reverse order 3 6 Removal of Spark Ignition Module Turn the gas and electricity mains off a Remove control panel Paragraph 3 5 b Disconnect electrical leads from spark ignition module c Remove retaining screws securing spark ignition module d Withdraw spark ignition module from supporting bracket e Replace in reverse order 3 7 Removal of Low Water Level Control Turn the gas and electricity mains off a Remove control pan
18. LL CAUSE BURNS IF TOUCHED ACCIDENTALLY WARNING BEFORE REMOVING ANY PARTITION OR PANEL ALWAYS TURN OFF THE ELECTRIC POWER AND ALLOW THE FAN TO STOP ROTATING BEFORE WORKING ON ANY ELECTRICAL COMPONENT DISCONNECT THE POWER SOURCE FROM THE UNIT NOTE IT IS IMPORTANT THAT THE END USER ROUTINELY EXAMINE THE FLUE OUTLET ON A REGULAR BASIS DEBRIS COVERING THE FLUE OUTLET CAN CAUSE A POTENTIALLY HAZARDOUS CONDITION REMOVE ANY FOREIGN MATERIAL BEFORE USING THIS PIECE OF EQUIPMENT WARNINGS AND CAUTIONS PROVIDED IN THIS OPERATOR AND SERVICE MANUAL MUST BE COMPLIED WITH Section 1 lt lI Il ll lA 00 3 O OM SM AH CE TABLE OF CONTENTS Page Introduction iae esa eta Rata edema m ence 4 5 adve dodo dtd d do da 4 Model Numbers Net Weights amp Dimensions 5 SUING ictal Wet 5 Clearances Eam Nam a 5 Mec ade AOE Ae AAS ALA AA Ae Oe Ae ae soba 5 Electrical Supply sitet at ad ad ad ae wad 5 Gas SUDDly Ahad Ae a aed Abu e ee 5 Water Suppr o65toeeteteioftotefebetebte tetfetetefetetetefetfotetefefoelos 5 Ao IR ESS 1 ere cr E a a 6 Injector Diameters Natural and Propane 6 Gas Pressure Agjustiment o cia eee ee eee Hee me
19. NSTRUCTIONS and National Regulations in force at the time Particular attention MUST be paid to the following E E Regulations for Electrical Installations Electricity at Work Regulations Gas Safety Installation amp Use Regulations Health and Safety at Work Act Furthermore if a need arises to convert the appliance for use with another gas a competent person must be consulted Those parts which have been protected by the manufacturer MUST NOT be adjusted by the User Users should be conversant with the appropriate provisions of the Fire Precautions Act and the requirements of the Gas Safety Regulations In particular the need for regular servicing by a competent person to ensure the continued safe and efficient performance of the Appliance 5 1 WARNING TO PREVENT SHOCKS ALL APPLIANCES WHETHER GAS OR ELECTRIC MUST BE EARTHED Upon receipt of the User s Instruction manual the installer should instruct the responsible person s of the correct operation and maintenance of the Appliance This equipment is ONLY FOR PROFESSIONAL USE and shall be operated by QUALIFIED persons It is the responsibility of the Supervisor or equivalent to ensure that users 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 Equipment Description 5 1 1 General Groen AH models are stainless steel steam jackete
20. PORTANT BEFORE ATTEMPTING ANY SERVICING ENSURE THAT THE ISOLATING COCK IS TURNED OFF AND CANNOT BE INADVERTENTLY TURNED ON AND THAT THE ELECTRICITY SUPPLY IS DISCONNECTED AFTER ANY MAINTENANCE TASK CHECK THE APPLIANCE TO ENSURE THAT IT PERFORMS CORRECTLY AND CARRY OUT ANY NECESSARY ADJUSTMENTS AS DETAILED IN SECTION 1 ALWAYS CHECK FOR GAS SOUNDNESS AFTER CARRYING OUT ANY SERVICING OR EXCHANGE OF GAS CARRYING COMPONENTS NOTE When replacing wiring connections refer to the wiring diagram on the unit and in this manual After Servicing a Test for gas soundness as specified in IGE UP1 as appropriate after any gas connection has been disturbed b Check for correct operation as appropriate see commissioning of appliance Regular Servicing Procedures The following must be serviced at regular intervals Burners The burner should be cleaned periodically to maintain maximum performance The burner is best cleaned with a wire brush taking care not to damage the burner head The injector orifice should be cleaned with a wooden splinter Metal reamers may distort or increase the orifice size and should be avoided Safety Valve At least once every two months the safety valve must be checked When the gauge pressure is about five PSIG lift the valve enough to vent steam then quickly let it snap back into place ont WARNING AVOID ANY EXPOSURE TO THE STEAM BLOWING OUT OF THE SAFETY VALVE This pr
21. able entry is at the lower rear on right hand side of the appliance Access to the terminals is gained by removing relevant panels as described in Section 3 5 of this manual Provide 230 VAC 50 Hz 1 Phase service Rated input 0 17 Amps or 40 Watts The electrical schematic is located in the service compartment and in this manual WARNING THIS APPLIANCE MUST BE EARTHED 1 6 Gas Supply The incoming service must be of sufficient size to supply full rate without excessive pressure drop A gas meter is connected to the service pipe by the Gas Supplier Any existing meter should be checked by the Gas Supplier to ensure that the meter is of adequate capacity to pass the required rate of gas for the kettle in addition to any other gas equipment installed The appliance governor is incorporated in the gas control valve which is situated in the control cabinet The control valve governor is suitable for both natural and propane gases without any conversion Installation pipe work should be fitted in accordance with IEGE UP 2 The pipe work should not be smaller than the gas inlet connection on the kettle i e Rp 12 2 B S P An isolating cock must be located close to the appliance to allow shut down during an emergency or servicing The installation must be tested for gas soundness and purged as specified in IGE UP 1 1 7 Water Supply Not applicable to these appliances OM SM AH CE 1 8 Total Gas Rate Natural N
22. ctions on Page 8 pertaining to Safety Valve installation and operation a Remove the elbow from the safety valve b Remove the safety valve from kettle jacket pipework c Replace in reverse order OM SM AH CE d e Ensure an adequate sealing compound is used to seal the safety valve Once the safety valve has been replaced the jacket will need to be vented See Paragraph 3 2 Jacket Vacuum 3 19 Removal of Filling Valve Turn the gas and electricity mains off Remove filling valve from kettle jacket pipework Replace in reverse order Ensure adequate sealing compound is used to seal the valve d Once the fill valve has been replaced the jacket will need to be vented See Section 3 2 Jacket Vacuum 3 20 Fuse Replacement Turn the gas and electricity mains off Remove control panel Paragraph 3 5 Remove fuse from vertical fuse holder Replace fuse identical to fuse removed Replace in reverse order OM SM AH CE 4 Troubleshooting Your Groen kettle is designed to operate smoothly and efficiently if properly maintained However the following are checks to make in the event of a problem Wiring diagrams are inside the service panel USE OF ANY REPLACEMENT PARTS OTHER THAN THOSE SUPPLIED BY GROEN OR THEIR AUTHORIZED DISTRIBUTORS CAN CAUSE INJURY TO THE OPERATOR AND DAMAGE TO THE EQUIPMENT AND WILL VOID ALL WARRANTIES SYMPTOM WHO WHAT TO CHECK Burners will not light 15 main gas valve
23. d floor mounted stationary kettles with a self contained gas heated steam source The kettle body is welded into one piece and is sheathed in stainless steel and insulated with fiber bat insulation The interior and exterior are given a bright buff finish The unit is ASME shop inspected and registered with the National Board for working pressure up to 30 PSIG Kettle controls are contained in an enclosed stainless steel enclosure The unit rests on tubular legs with adjustable ball feet AH kettles come standard with stainless steel covers and two inch five cm sanitary tangent draw off valve The self contained steam source is heated by propane or natural gas Ignition is by electronic spark 17 The kettle is charged at the factory with treated distilled water The steam source provides kettle temperatures of 65 C to 134 C Controls for the unit include a thermostat pressure gauge gauge glass safety valve pressure limit control low water cut off on off switch and a multi functional gas control valve Service connections are required for gas and 230 V single phase 50 Hz electricity See Paragraph 3 4 Water Treatment IMPORTANT Prior to operation clean out the kettle pan thoroughly using hot water and detergent Rinse out and dry completely OM SM AH CE The gas burners are protected by an electronic flame failure device which incorporates automatic ignition of the burners and instant shut off of the gas
24. de egeta 6 Burner 5 6 Assembly and Conditioning 6 Assembly lt i a ra hose deb deb ute dinh Dub aalan 6 SUPPI PE 6 Electrical 5 seh i LEBENS 6 Jacket Water Level Jacket Pressure 6 Pre Commissioning Check 7 Instruction to Installer IRR 7 Servicing and Conversion 8 14 RR AS OE AER eR qe e ee e e RS 10 Jacket Vacuum e 10 Jacket Filing RR nen 10 Water Treatment Procedure 10 Removal of Control Panel 4 RR RR RR RR RR RR ds 11 Removal of Spark Ignition 11 Removal of Low Water Level Control 11 Removal of Gas Control Valve 11 ON OFF Switch and Reset Button 11 Removal of 11 Removal of Thermostat 0
25. ed Remember to check such parts as the underside of the kettle and control housing 5 To remove materials stuck to the equipment use a brush sponge cloth Use a brush sponge cloth plastic or rubber to remove materials stuck to the surface plastic or rubber scraper or plastic wool along with the detergent solution To minimize the effort required in washing let the detergent solution sit in the kettle and soak into the residue or briefly heat the detergent solution Do not use any abrasive materials or metal implement that might scratch the surface because scratches make the surface hard to clean and provide places for bacteria to grow DO NOT use steel wool which may leave particles imbedded in the surface and cause eventual corrosion and pitting Do not use metal implements or steel wool 6 The exterior of the unit may be polished with a recognized stainless steel cleaner or with water and detergent OM SM AH CE 7 When equipment needs to be sanitized use a solution equivalent to one that supplies 200 parts per million available chlorine Obtain advice on the best sanitizing agent from your products supplier Follow the supplier s instructions and apply the agent after the unit has been cleaned and drained Thoroughly rinse off the sanitizing agent CAUTION NEVER LEAVE A CHLORINE SANITIZING AGENT IN CONTACT WITH STAINLESS STEEL SURFACES LONGER THAN 30 MINUTES LONGER CONTACT CAUSES CORROSION
26. el Paragraph 3 5 b Remove low water level control from its base by undoing the two retaining clips OM SM AH CE c Replace in reverse order Ensure the low water level control is correctly oriented when repositioned 3 8 Removal of Gas Control Valve Turn the gas and electricity mains off a Remove control panel Paragraph 3 5 b Disconnect electrical leads from control valve c Undo fittings on each side of control valve d Remove mounting screws from valve e Remove control valve from control cabinet f Replace in reverse order 3 9 Removal of ON OFF Switch and Reset Button Turn the gas and electricity LEADS ONOFF SWITCH LEADS RESET BUTTON LEADS mains off a Remove control panel Paragraph 3 5 b Disconnect electrical leads from the On Off switch or reset button c Undo and remove retaining collar which secures the On Off switch to the outer surface of the control cabinet and the reset button to its inner surface d Withdraw the On Off switch or the reset button as required e Replace in reverse order OM SM AH CE 3 10 Removal of Neons Turn the gas and electricity mains off a Remove control panel Paragraph 3 5 b Disconnect the electrical leads to the neon c Undo and remove the retaining collar which secures the neon to the control cabinet d Withdraw the neon from the control cabinet e Replace in reverse order Removal of Thermostat Tur
27. embly a Unpack the appliance b Place on a firm level floor Adjust and fix feet Caution Shipping straps are under tension and can snap back when cut Take care to avoid personal injury or damage to the unit by staples left in the walls of the carton 2 2 Gas Supply Connect the unit to the gas supply and test for gas soundness For the part of the integral gas supply down stream of the gas valve leak detection spray or some solution may be used with the burners lit Caution Ensure that the pan contains liquid when the burners are alight 2 8 Electrical Supply Before commissioning the appliance ensure that the electrical installation has been carried out to the relevant regulations Paragraph 1 5 THIS APPLIANCE MUST BE EARTHED 2 4 Jacket Water Level Jacket Pressure a Ensure the water level is correct in the jacket by confirming that the level is between the marks on the gauge glass If the water is low follow the instructions under Jacket Filling in the servicing section of this manual b Check the pressure gauge If the gauge does not show 20 or more inches of vacuum that is a reading of 20 to 30 below zero see Jacket Vacuum in the servicing section of this manual 2 5 Pre Commissioning Check a Prior to operation clean kettle pan with hot water and detergent Rinse thoroughly b Remove all literature and packing materials from the interior and exterior of the unit c Ensure the open end
28. eration of the unit clean out the kettle pan thoroughly using hot water and detergent Kettle Capacities Capaity AH 20 75 7 Liters AH 60 227 1 Liters AH 80 302 8 Liters Note that these are maximum capacities Groen recommends that no more than 8096 of the maximum capacity be used during operation AH 40 151 4 Liters 5 2 4 Users Thermostat The thermostat provides automatic control of the Kettle Jacket temperature at selected settings to a maximum of 134 C 5 2 5 Sequence of Operation The following sequence of operation outline is provided to help the user understand the functioning of the unit When the operator sets the desired temperature on the thermostat dial the thermostat switch closes and sends a signal which 1 starts the spark and 2 opens the automatic valve for the burners The spark ignites the burner on low flow The flame completes a circuit at the sensing probe and sends a signal that causes the spark to shut off and the automatic valve to open to full flow once a flame has been detected If a flame is not detected within 15 seconds the gas is automatically cut off and the appliance is locked out The unit can only be re lit once the reset button has been pressed In addition to the lockout timer safety features include 20 1 Low water cutoff relay that will shut off the gas supply to all burners until the water level is corrected 2 High pressure switch set to o
29. ghting and Operational Readiness Check OM SM AH CE 5 3 Cleaning and Maintenance IMPORTANT Disconnect the electricity supply before any cleaning is undertaken The appliance must not be cleaned with a jet of water nor steam cleaned 5 3 4 Suggested Tools 1 Detergent and sanitizing agent or a combination cleaning sanitizing agent 2 Long handled and short handled kettle brushes 5 3 2 Precautions Before cleaning shut off the burner by turning the thermostat dial to OFF If water or cleaning sanitizing solution will be sprayed shut off all electric power to the unit at a remote switch such as the circuit breaker WARNING KEEP WATER AND SOLUTIONS OUT OF CONTROLS NEVER SPRAY OR HOSE DOWN THE CONTROL CONSOLE 5 3 3 Procedure 1 Clean all food contact surfaces as soon as possible after use preferably while the kettle is still hot If the unit is in continuous use thoroughly clean and sanitize both interior and exterior at least once every 12 hours 2 Scrape and flush out large amounts of food residues Be careful not to scratch the kettle with metal implements 3 Prepare a solution of the detergent cleaning compound as instructed by the supplier Clean the unit thoroughly A cloth moistened with cleaning solution may be used to clean controls control housings and electrical conduits 4 As part of the daily cleaning program clean all external and internal surfaces that may have been soil
30. he high temperature lead wire connection to the sparking electrode or the sensing electrode as required e Replace in reverse order f Ensure that there is an adequate spark at the sparking electrode and that the burners light smoothly and without delay OM SM AH CE g Once the burners ignite ensure that the sparking sequence stops and the burners remain lit If the burners do not light or ignite but do not remain lit then adjustment to the sparking or sensing electrode is required 3 16 Removal of Pressure Gauge Turn the gas and electricity mains off a Remove control panel Paragraph 3 5 b Using the correctly sized spanner remove the pressure gauge from the top of the sight glass c Replace with new pressure gauge ensuring that an adequate sealing compound is used d Once the pressure gauge has been replaced the kettle jacket will need to be vented See Paragraph 3 2 Jacket Vacuum 3 17 Removal of Sight Glass Turn the gas and electricity mains off a Remove control panel Paragraph 3 5 b Remove sight glass protection bars c Undo top and bottom compression fittings d Allow the water in the sight glass to drain e Remove the sight glass f Replace in reverse order g Once the sight glass has been replaced the lost jacket water needs to be replaced See Paragraph 3 3 Jacket Filling 3 18 Removal of Safety Valve Turn the gas and electricity mains off See detailed Instru
31. he responsibility of the Supervisor or equivalent to ensure that users 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 The Groen Steam Jacketed Kettle you have just purchased has been handcrafted from the finest materials meticulously inspected and carefully tested to ensure that you receive the best possible product With reasonable care and periodic maintenance it will provide years of faithful service It is recommended that you establish a timetable for periodic maintenance as outlined in this manual Section 1 Installation UNLESS OTHERWISE STATED PARTS PROTECTED BY THE MANUFACTURER ARE NOT TO BE ADJUSTED BY THE INSTALLER 1 1 Model Numbers Net Weights and Dimensions MODEL WIDTH DEPTH HEIGHT WEIGHT CAPACITY mm in mm in mm in kg Ibs Liters 55657 991 38 9 1016 39 9 213 468 AH40 972 38 1 1143 44 9 1067 41 9 282 620 151 4 6 104 40 9 1245 48 9 1245 48 9 432 950 227 AH 80 1080 42 4 1295 50 9 1410 55 4 486 1070 303 WARNING THE UNIT MUST BE INSTALLED BY PERSONNEL QUALIFIED TO WORK WITH ELECTRICITY AND GAS IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND OR DAMAGE TO EQUIPMENT THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH ALL APPLICABLE CODES 1 2 Siting Install the appliance on a level floor in a well lit and draught free p
32. liances have been CE marked on the basis of compliance with the Gas Appliance Directive EMC and Low Voltage Directive for the Countries Gas Types and Pressures as stated on the Data Plate These appliances MUST BE installed by a competent person in conformity with the INSTALLATION AND SERVICING INSTRUCTIONS and National Regulations in force at the time Particular attention MUST be paid to the following E E Regulations for Electrical Installations e Electricity at Work Regulations e Gas Safety Installation amp Use Regulations e Health and Safety at Work Act e Fire Precautions Act Local and National Building Regulations Furthermore if a need arises to convert the Appliance for use with another gas a competent person must be consulted Parts which have been protected by the manufacturer MUST NOT be adjusted by the User Users should be conversant with appropriate provisions of the Fire Precautions Act and the requirements of the Gas Safety Regulations In particular they should be aware of the need for regular servicing by a competent person to ensure the continued safe and efficient performance of the Appliance Upon completion of the installation the Owners Manual should be handed to the users and the installer should instruct responsible person s in the correct operation and maintenance of the Appliance This equipment is ONLY FOR PROFESSIONAL USE and shall be operated by QUALIFIED persons It is t
33. n the gas and electricity mains off a Remove control panel Paragraph 3 5 b Tilt the kettle slightly to move the water in the jacket away from the Phial Boss connection c Undo the Phial Boss connection and remove the thermostat Phial from the jacket d Remove thermostat control knob and disconnect electrical leads e Remove the two mounting screws that secure the thermostat to the control cabinet f Replace in reverse order Ensure that an adequate sealant is used to seal the thermostat Phial Boss WARNING ENSURE THAT THE OTHER ELECTRICAL LEADS AND CONNECTIONS SITUATED IN THE KETTLE BASE DO NOT GET WET REMOVE THEM IF REQUIRED Important If water is lost during thermostat removal replace as described in Paragraph 3 3 Jacket Filling Always refer to wiring diagram when reconnecting electrical leads See Page 23 3 12 Removal of Pressure Switch Turn the gas and electricity mains off a Remove control panel Paragraph 3 5 b Disconnect the electrical leads from the pressure switch c Tiltthe kettle slightly to move the water in the jacket away from the pressure switch pipe fitting d Remove and withdraw the pressure switch from the fitting e Replace in reverse order f Once the pressure switch is in place ensure that the jacket water level is correct See Paragraph 3 3 Jacket Fillings Always refer to wiring diagram when reconnecting electrical leads See Page 23 3
34. n the marks on the gauge glass If it is not the unit requires servicing 3 Keep electrical wiring in good condition OM SM AH CE 33018 1VNINH3L 83835 ANNONO 92 440 LL Nid ania ania Lno7901 99 5 113 MASNOH N NOLLINSI lVdS Q z x 9 11 45 TVA 103 1N OS 519 HILIMS 43538 HILIMS 3838 55384 N MONS IVISOMNSHZHI 53 113 4 9NILTIL NO A INO 035 HOLIMS LIL weibeig NO JI MOd NF e N MONA g aSNd I HILIMS 3 04 88594 9NISN3S 31 2809 05 A0vc OW1NO2 13A37 HILY co N OM SM AH CE Parts Lists o Bs TP 8 24 Key 10 10 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 13 17 17 17 17 21 22 23 32 33 34 37 38 39 40 41 42 Description Foot Adjustable Bullet Bracket Burner Support AH 1 60 80 Bracket Burner Support AH 1 20 40 Bracket Burner Head AH 1 60 80 Bracket Burner Head AH 1 20
35. ocedure should be explained to the user as it is to be carried out at least twice a month Safety procedures and requirements should also be explained to the user when carrying out the procedure Safety Valve Operating Instructions If adding water to a boiler DO NOT ALLOW water to flow through safety valve as sediment or debris may be deposited on seating surface To achieve topmost performance and maximum service life it is necessary to maintain a proper pressure margin between set pressure of the safety valve and equipment operating pressure The minimum required pressure margin for this type of valve is 10 of the safety relief valve set pressure but not less than five Pounds per Square Inch Gauge PSIG UNDER NO CIRCUMSTANCES SHOULD THIS MARGIN BE LESS THAN FIVE PSIG Failure to maintain this margin may result in water leakage past the seat and an accumulation of deposits on the seating surface Excessive deposits may prevent the valve from operating properly anda dangerous pressure build up and equipment rupture may result Maintenance and Testing CAUTION Before testing make certain discharge pipe is properly connected to valve outlet and arranged to contain and safely dispose of boiler discharge see Installation Instructions Under normal operating conditions a try lever test must be performed every two months Under severe service conditions or if corrosion and or deposits are noticed within the valve
36. only schedule 40 pipe for discharge Do not use schedule 80 extra strong pipe or connections DO NOT CAP PLUG OR OTHERWISE OBSTRUCT DISCHARGE PIPE OUTLET OM SM AH CE i See appropriate ASME Boiler and Pressure Vessel Code for additional installation instructions 3 1 Conversion NOTE See Para 1 9 and 1 10 Page 6 for important gas conversion information VERIFY THE TYPE OF GAS TO BE USED In the countries listed in Paragraph 1 10 all conversions must be for approved gas To change the type of gas used e g G20 to G25 or G31 or the like change the following Burner injector Pilot orifice Pressure setting Data Plate The governor spring does not need to be changed only the pressure setting 3 2 Jacket Vacuum When the kettle is cold a reading that is positive or near zero on the pressure vacuum gauge indicates excess air in the jacket Air in the jacket slows down the heating of the kettle To remove air a Light the unit see Section 2 5 1 b When the pressure vacuum gauge reaches a positive reading of five PSIG release air and steam by lifting the lever on the safety valve for about 1 second Repeat this process a few times then let the valve snap back into the closed position See detailed Instructions on Page 8 pertaining to Safety Valve installation and operation NS WARNING AVOID ANY EXPOSURE TO THE STEAM BLOWING OUT OF THE SAFETY VALVE 3 3 Jacket Filling The jacke
37. or the elbow at the safety valve outlet is pointed down If not turn the elbow to the correct position See Safety Valve Operation Instructions on Page 8 2 5 1 Lighting Sequence From Initial Start Up a Puta small amount of water in the kettle pan b Ensure gas and electricity mains are on c Switch the toggle switch to the on position d Turn thermostat dial to desired setting Observe that the burners ignite by the pilot lamp illuminating f Ifthe unit does not ignite it will lock out Turn the unit off and wait for one or two minutes before again attempting to switch it on g Press reset lock out switch and repeat steps b to e h To switch unit off flip toggle On Off switch to the off position i Turn gas and electricity mains off 2 5 2 Setting The Gas Pressure a Check gas pressure during commissioning Connect a pressure gauge to the pressure test point on the burner manifold or the gas control valve See figure for test points b When checking pressure at gas valve test points undo the screw a half turn and slip tube over the nipple Turn the main gas and electricity supplies on d Light the burners Paragraph 2 5 1 e Remove screws securing control cabinet side panel Paragraph 3 5 OM SM AH CE f Remove governor cap screw on gas control valve See figure for governor position on valve 9 Governor is suitable for natural and propane gas h To increase pre
38. osition Install the appliance in accordance with local and or national regulations as listed in this manual 1 3 Installing Clearances Minimum clearances of 150 mm from the sides of the appliance and 150 mm from the rear of the appliance are required if the appliance is installed next to combustible surfaces Allow 1000 mm minimum clearance between the top rim of kettle and any overlying surface 1 4 Ventilation The unit must be installed in an adequately ventilated room with provision for an adequate air supply The area around the appliance must be cleared of all combustible material For multiple installations requirements for individual units should be added together Installation must comply with applicable regulations A competent installer must be employed CAUTION THE APPLIANCE FLUE DISCHARGES VERTICALLY FROM THE TOP OF THE UNIT IT MUST NOT BE DIRECTLY CONNECTED TO CONNECTED TO A VENTILATING SYSTEM Recommendations for ventilation for catering appliances are given in BS 5440 2 and are shown in the table below Ventilation Rate m3 Min ft Min Pastry Oven 7 26 7 8 5 14 300 500 Tea Coffee Machine OM SM AH CE 1 5 Electrical Supply This unit is designed for connection to fixed wiring A suitably rated isolating switch with contact separation of at least 3 mm on both poles must be fitted to the installation and the wiring executed in accordance with the regulations listed in this manual C
39. pen at about 27 PSIG and shut down the burners until jacket pressure is decreased 3 Pop safety valve which will release steam if the jacket pressure exceeds 30 PSIG See detailed Instructions on Page 8 pertaining to Safety Valve installation and operation When the kettle reaches the set temperature the thermostat switch opens stopping the signal to the gas control valve and causing the valve to shut off all gas flow When the kettle cools below the set temperature the thermostat switch closes and starts another heating cycle On off cycling continues and maintains the kettle at the desired temperature 5 2 6 To Empty Kettle Turn the handle on the tangent draw off valve anti clockwise After approximately 31 turns the valve handle can be pulled forward and full flow achieved To close the tangent draw off valve push the valve handle inward until the threads on the valve stem engage Turn the handle clockwise until the valve is closed Do not over tighten the valve since over tightening may damage the valve seat E WARNING WHEN EMPTYING THE KETTLE BE CAREFUL TO KEEP HOT CONTENTS FROM SPILLING AVOID DIRECT SKIN CONTACT ENSURE PEOPLE ARE KEPT AWAY FROM THE KETTLE WHEN EMPTYING IT 5 2 7 Power Failure If power to the unit fails do not attempt to operate the appliance until the electricity supply is reestablished When the power comes back on follow the steps in Paragraph 5 2 1 Initial Kettle Li
40. ss to Groen Equipment This warranty does not cover defects caused by improper installation abuse careless operation or improper maintenance of equipment This warranty does not cover damage caused by poor water quality or improper boiler maintenance THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE EACH OF WHICH IS HEREBY EXPRESSLY DISCLAIMED THE REMEDIES DESCRIBED ABOVE ARE EXCLUSIVE AND IN NO EVENT SHALL GROEN BE LIABLE FOR SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES FOR THE BREACH OR DELAY IN PERFORMANCE OF THIS WARRANTY Groen Equipment is for commercial use only If sold as a component of another O E M manufacturer s equipment or if used as a consumer product such Equipment is sold AS IS and without any warranty Covers Food Service Equipment Ordered After October 1 1995 UNIFIEDeRANDS FOODSERVICE EQUIPMENT SOLUTIONS GROEN 1055 Mendell Davis Drive Jackson Mississippi 39272 OM SM AH CE Telephone 601 373 3903 Part evise FAX 601 373 9587
41. ssure turn the screw inside the governor turret clockwise or anti clockwise to reduce pressure Check the burner pressure again after 15 minutes and adjust if necessary i Disconnect pressure gauge from the test point j Re seal the pressure test point and test for gas soundness k Replace governor cap screw lid and panels 2 5 3 Checking Performance of Controls a Light the unit Paragraph 2 5 1 Check that the controls produce a healthy spark from the electrode to the earthing post and that ignition is smooth and without delay b Turn thermostat off and then on Check that burners go out when switched off and ignite smoothly and quickly when switched back on Repeat several times Ifthe unit fails to respond as described above contact an authorized Groen service agent 2 6 Instruction to Installer IMPORTANT After installing and commissioning the appliance the installer should hand the user s instructions to the user or purchaser Ensure that the instructions for lighting turning off correct use and cleaning are properly understood Emphasis should be made with regard to the location of the main gas isolating valve The emergency shut down procedure should be demonstrated INCET PRESSURE i 62 INLET lt PRESSURE PRESSURE GOVERNOR ADJUSTMENT OM SM AH CE Section 3 Servicing and Conversion IM
42. t has been charged at the factory with the proper amount of treated distilled water You may need to restore the jacket water to its proper level either because water was lost as steam during venting or because treated water was lost by draining The procedure for adding water is as follows a If you are replacing water lost as steam use distilled water If you are replacing treated water that was removed from the jacket prepare more as directed below b Allow the kettle to cool completely Using the proper sized spanner remove the pipe plug from above the globe valve c Openthe globe valve and pour distilled or treated water in the pipe plug orifice See Water Treatment Procedure Paragraph 3 4 Hold the safety valve open while you pour to let air escape from the jacket d Air introduced to the jacket during the filling operation must be removed to obtain efficient heating See Jacket Vacuum section 3 2 See detailed Instructions on Page 8 pertaining to Safety Valve installation and operation 3 4 Water Treatment Procedure WARNING READ AND FOLLOW ALL PRECAUTIONS STATED ON THE LABEL OF THE WATER TREATMENT COMPOUND TO AVOID INJURY a Fill the mixing container with the measured amount of water required See Table Use distilled water only Jacket Capacity Approx 75 7 Liters 17 Liters Kettle Capacity AH 20 AH 60 227 1 Liters 35 9 Liters AH 40 151 4 Liters 26 5 Liters A
43. the water level in the jacket The level should be between the lines on the gauge glass If the level is low the jacket water level will be required to be topped up This will require a service call 5 Check the pressure gauge If the gauge does not show sufficient vacuum that is 20 to 30 below zero the jacket will 18 require venting This will require a service call 6 Switch the On Off switch to the On position The power on neon will illuminate 7 Turn the thermostat dial to the required setting 8 After 10 15 seconds the burners should light The burners on neon will illuminate 9 Inthe event the burners do not light or go out as indicated by the illumination of the lockout indicating neon turn the unit off Wait approx 1 minute Press lockout reset switch and repeat steps 4 to 8 WARNING AVOID CONTACT WITH THE FLUE SURFACES ARE VERY HOT AND WILL CAUSE BURNS DO NOT OPENING OBSTRUCT FLUE EXHAUST POWER ON NEON BURNERS ON NEON LOCKOUT INDICATING NEON THERMOSTAT POWER ON SWITCH LOCKOUT RESET SWITCH Controls on the AH CE model are easy to understand and use OM SM AH CE OM SM AH CE 5 2 2 To Shut Down Kettle 1 Turn the thermostat dial to the Off position 2 Switch the On Off switch to the Off position 3 Fora prolonged shut down follow steps 1 and 2 and turn the gas and electricity supplies off 5 2 3 Filling the Kettle Prior to op
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