Manuale d’uso / di manutenzione del prodotto EG48 del fabbricante Vulcan-Hart
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SER VICE MANUAL VULCAN-HART COMPANY, P.O. BOX 696, LOUISVILLE, KY 40201-0696, TEL. (502) 778-2791 FORM 31054 Rev. A (5-98) GAS REST AURANT RANGE EG24, 36, 48, 60, 160 AND 260 MODEL EG24 ML-52486 EG36 .
– 3 – IMPORT ANT FOR YOUR SAFETY THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO INSTALL GAS EQUIPMENT, WHO SHOULD PERFORM THE INITIAL FIELD START-UP AND ADJUSTMENTS OF THE EQUIPMENT COVERED BY THIS MANUAL. POST IN A PROMINENT LOCATION THE INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE SMELL OF GAS IS DETECTED.
– 4 – EG60 EG260 EG160 EG24 EG48 EG36 PL-53006 GAS REST AURANT RANGE MODELS.
– 5 – SER VICE MANUAL GAS REST AURANT RANGES INDEX PLEASE KEEP THIS MANUAL FOR FUTURE REFERENCE DESCRIPTION P A G E SERVICE NOTATIONS 6 UNITS MOUNTED ON CASTERS 7 SERVICING SIMPLE CHECKS AND ADJUS.
– 6 – DEDICA TED TECHNICAL SERVICE HOT LINE- (1-502-778-2791) SERVICE NOTATIONS: 1. The procedures outlined in this manual are to be performed only by Vulcan-Hart authorized service representatives.
– 7 – UNITS MOUNTED ON CASTERS Units mounted on casters utilizing a flex hose and quick-disconnect must be installed with a restraining device. The restraining device must be connected at all times. If disconnection of the device is necessary, turn off the gas supply before disconnection.
– 8 – 2. Oven Door Turnbuckle NOTE: For the 24L units, refer to procedure outlined under 2A. If the oven door is not closing properly, the door turnbuckle may require adjustment. To adjust the turnbuckle, flip down the lower front kick panel. The turnbuckle is connected between the right- and left-hand door springs (Fig.
– 9 – SER VICING SIMPLE CHECKS AND ADJUSTMENTS (Cont.) 3. Pilot Flame Height TOOLS REQUIRED: Standard flat blade screwdriver. Top Burners: To adjust pilot flame height of the unit top burners, locate the pilot adjustment screws found on the front manifold pipe.
– 10 – 2. With screwdriver, adjust pilot key (located under pilot adjustment cap) to provide the proper size flame. 3. Replace pilot adjustment cap. NOTE: If unit still is not heating correctly, refer to THERMOSTAT ADJUSTMENTS on Page 18. 4. Air Shutter Adjustment TOOLS REQUIRED: Standard flat blade screwdriver.
– 11 – GAS CONNECTIONS CAUTION: All gas supply connections and any pipe joint compound used must be resistant to the action of propane gases. Each unit is factory-equipped with the type gas specified on the rating plate. The installation gas connection is a 3 ⁄ 4 " (19mm) 14 FPT thread ANSI schedule #40 standard pipe.
– 12 – GAS CONNECTIONS (Cont.) INPUT AT SEA LEVEL PER BURNER (BTU ’ S) ORIFICE SIZE REQUIREMENTS FOR DIFFERENT ELEVATIONS FOR RESTAURANT RANGE ORIFICE SIZE SEA LEVEL TO 2000 FT 2000 FT TO 4000 FT 4000 FT TO 6000 FT 6000 FT TO 8000 FT OPEN TOP HOT TOP GRIDDLE BRO/GRID OVEN (STD) 17,500 20,000 15,000 10,000 30,000 5.
– 13 – NOTE: Although pilot lighting procedures are to be performed by both installation and operation personnel, only the installation/service personnel should attempt to make any pilot, burner, or temperature adjustments to this unit. The operation personnel are authorized only to perform the procedures for pilot lighting.
– 14 – OPEN TOP BURNERS 1. Turn main gas supply “ ON ” . 2. Wait 30 seconds and, using a taper, light the open top pilot (Fig. 10). Fig. 10 3. If pilot fails to light, turn main gas supply “ OFF ” . Wait 5 minutes and repeat the above procedures.
– 15 – BROILER/GRIDDLE 1. Turn main gas supply “ ON ” . 2. Wait 30 seconds and, using a taper, light broiler/griddle pilot (see Fig. 9). 3. If pilot fails to light, turn main gas supply “ OFF ” . Wait 5 minutes and repeat Steps 1 and 2. 4.
– 16 – 2. Light pilot by depressing the reset button located behind the kick panel (Fig. 12). Light pilot and continue to hold reset button in for 1 minute. If pilot fails to light, turn main gas supply “ OFF ” and wait 5 minutes before repeating Step 2.
– 17 – PILOT LIGHTING AND ADJUSTMENTS (Cont.) OVEN BURNER ADJUSTMENTS NOTE: These procedures should be performed only by a qualified Vulcan-Hart service representative.
– 18 – THERMOST A T ADJUSTMENTS NOTE: These procedures should be performed only by a qualified Vulcan-Hart service representative. STANDARD OVEN Although the unit thermostats are factory positioned to their proper setting, it is not unusual for the thermostat to be knocked out of adjustment during shipment.
– 19 – THERMOST A T ADJUSTMENTS (Cont.) 3. Light the burner. Turn the dial to the highest set temperature. 4. After 10 minutes, turn the dial clockwise to the point slightly beyond the first mark on the dial (shown by an “ X ” ). 5. Remove the dial and sleeve (Fig.
– 20 – THERMOST A T ADJUSTMENTS (Cont.) 3. Allow unit to heat until the burner flame is heard cutting “ OFF ” . Wait about 10 minutes until the burner flame has cycled “ ON ” and “ OFF ” several times. Then compare the test instrument reading with the dial setting.
– 21 – THERMOST A T ADJUSTMENTS (Cont.) 10. To recalibrate, hold the thermostat dial in place. Insert screwdriver into dial shaft to engage the calibration stem adjustment screw (Fig. 20). Push inward (do not turn stem). Fig. 20 Fig. 21 12. Release the calibration screw and reinstall the dial insert.
– 22 – REGULA T OR CHECK, ADJUSTMENT , INST ALLA TION REGULATOR CHECK A regulator is installed on each range. When servicing this equipment for possible gas pressure problems, the following visual checks should be made first.
– 23 – REGULA T OR CHECK, ADJUSTMENT , INST ALLA TION (Cont.) 2. With only two open top burners “ ON ” , note the manometer reading. The reading should be 3.7" Water Column (.92 kPa) for natural gas units and 10.0" Water Column (2.5 kPa) for propane gas units.
– 24 – REGULA T OR CHECK, ADJUSTMENT , INST ALLA TION (Cont.) 1. Connect the manometer to the pressure tap provided on the rear manifold pipe (see Fig. 23). 2. Check the reading. The reading should be 3.7" Water Column (.92 kPa) for natural gas and 10.
– 25 – STANDARD OVEN AND GRIDDLE THERMOSTAT CHECKS AND CALIBRATION Refer to THERMOSTAT ADJUSTMENTS on Page 18 of this manual for the procedures for checking and calibrating the thermostat for the standard oven and griddle.
– 26 – 5. Remove the top section burner valve knobs, top grates and aeration plate. (Figs. 30) 6. Remove screws holding the control panel in place. 7. Disconnect the thermostat burner tubing (Fig. 31). 8. Remove top burners, if required, to access the thermostat.
– 27 – 9. Unscrew the thermostat from the manifold pipe (Figs. 33, 34, & 35). Fig. 33 Fig. 34 10. Replace thermostat mounting block. Place pipe dope on the threaded end of the new thermostat mounting block to be installed onto the unit. 11. Install the new thermostat by reversing Steps 1 through 9 above.
– 28 – OVEN PILOT CHECK If all other systems have been checked and pilot will not stay lit, replacement of the pilot may be necessary. OVEN PILOT REPLACEMENT TOOLS REQUIRED: 1 ⁄ 4 " socket, socket driver, 1 ⁄ 2 " and 7 ⁄ 16 " open end wrenches.
– 29 – STANDARD OVEN PILOT SAFETY VALVE CHECK NOTE: A quick check of the following conditions and symptoms will assist in verifying that the pilot safety valve is properly functioning.
– 30 – ST ANDARD OVEN PILOT SAFETY V AL VE CHECK, REPLACEMENT (Cont.) Fig. 37 5. If the millivolt reading is below 5 MV, replace the thermocouple. 6.
– 31 – 3. Disconnect right- and left-hand pilot gas tubing from the safety valve (Fig. 39). Fig. 39 4. Disconnect right- and left-hand burner gas tubing from the safety valve (Fig. 40). ST ANDARD OVEN PILOT SAFETY V AL VE CHECK, REPLACEMENT (Cont.
– 32 – THERMOCOUPLE CHECK 1. Fold lower kick panel down. 2. Perform pilot lighting procedures (see Page 13). 3. If unit will not stay lit, using a volt meter, check the millivolt reading from the valve thermocouple connection while holding pilot button in the “ ON ” position (see Fig.
– 33 – OVEN BURNER NOZZLE AND ORIFICE CHECK If burner operation seems poor and all other systems have been verified, remove burner nozzle and orifice to check for blockage or damage. Blockages can often be cleaned using water pressure and a mild soap solution or by running a correct size drill tap through the nozzle opening.
– 34 – OVEN BURNER CHECK If the oven burner is not properly firing and all other systems have been checked, the oven burner may need to be cleaned or replaced. OVEN BURNER REPLACEMENT TOOLS REQUIRED: 1 ⁄ 4 " socket and socket driver. 1. Disconnect unit from main gas supply and allow unit to cool.
– 35 – TOP SECTION PILOT CHECK If all other systems have been checked and pilot will not stay lit, cleaning or replacement of pilot may be necessary. TOP SECTION PILOT REPLACEMENT TOOLS REQUIRED: 7 ⁄ 16 " open end wrench. 1. Disconnect unit from main gas supply and allow unit to cool.
– 36 – TOP SECTION BURNER VAL VE AND NOZZLE CHECK, REPLACEMENT TOP SECTION BURNER VALVE CHECK After a long period of use on the range, the top section burner valve can show signs of wear. Check valve for gas leakage and sloppy valve control. Check also for valve nozzle blockage or damage.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Vulcan-Hart EG48 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Vulcan-Hart EG48 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Vulcan-Hart EG48 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Vulcan-Hart EG48 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Vulcan-Hart EG48, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Vulcan-Hart EG48.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Vulcan-Hart EG48. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Vulcan-Hart EG48 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
