Instruction/ maintenance manual of the product 3240 Turbo Chef Technologies
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Accelerating the World of Cookin g TM S er vic e M anual FOR THE TURBOCHEF 3240 HIGH H CONVE Y OR O VEN.
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F or fur ther information, call 800.90TURBO or +1 214.379.6000.
The information contained in this manual is impor tant for the pr oper installation, use, mainte - nance, and r epair of this o v en. F ollo w these pr ocedur es and instr uctions to help ensur e satisfactor y baking r esults and y ears of tr ouble-fr ee ser vice.
T ABLE OF C ONTENT S T able of C on t en ts S af et y I nstruc tions I mpor tant S afety I nformation - P lease R ead F irst i G eneral S afety I nformation i P r ev enting Ov en D amage i R educing F.
T ABLE OF C ONTENT S Ov en M odes Config M ode 15 S mar t Car d Scr een 15 U pdating the F irmwar e 15 A ccessing the F ault Count Scr een 16 A ccessing the S etup M ode 16 A ccessing the T est M ode .
T ABLE OF C ONTENT S The B lo w er S ystem 25 B lo w er M otor 25 B lo w er M otor S peed Contr oller (BMSC) 25 The B urner S ystem 26 Air P r essur e S witch 26 B urner T ransformer 26 Combustion B l.
i SAFE T Y INSTRUC TIONS I mpor tan t S af et y I nf or ma tion – P lease R ead F irst I mpr oper installation, adjustment, alteration, ser vice, or maintenance of this equipment can cause pr oper ty damage, injur y , or death.
SAFE T Y INSTRUC TIONS ii R educing F ir e R isk I f materials inside the o v en ignite or if smoke is obser v ed, 1. K eep the o v en windo w closed. 2. T urn off the o v en. 3. D isconnect the po w er cor d or shut off po w er at the fuse/cir cuit br eaker panel.
iii SAFE T Y INSTRUC TIONS T his page int entionally lef t blank ..
Specifica tions and S tar tup.
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SPECIFIC A TIONS AND ST AR TUP 1 Ov er view F igur es 1 and 2. F or par t numbers, see the appendix. 1. Air filter , 11.75” x 7.5” (298 mm x 190 mm) 2. I dle button (page 21) 3. Left end bell (page A-12) 4. Right end bell (page A-8) 5. VFD display and keypad (page 21 and A-8) 6.
2 C er tifica tions cUL us GAS FIRED LISTED, UL EP H, FCC Dimensions W ith E nd B ells Closed - W idth: 72.13” (1832 mm) - D epth: w/ windo w: 55.25” (1403 mm) - D epth: w/o windo w: 52.85” (1342 mm) - H eight: 19.00” (483 mm) W ith E nd B ells O pen - W idth: 87.
SPECIFICA TIONS AND ST ARTUP 3 Gas Setup A digital manometer that will read 0.10” WC (2.54 mmH 2 O, 0.249 mb) must be used to properly set all pressur es. If the minimum pressure is not set corr ectly , the oven temperature will slowly rise in stand-by mode and ev entually cause cooking issues as well as trip the high limit temperature switch.
4 SPECIFIC A TIONS AND ST AR TUP R eading the G as P r essur e a t M inimum F lame 1. R emo v e either the r ed or white wir e (F igur e 4). 2. A ttach the electric manometer to the lo w er tap of the gas v alv e (F igur e 4). 3. V erify that the minimum operating pr essur e is 0.
Cleaning.
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CLEANING 5 Cleaning t he O ven F ollo w the steps belo w daily to help maintain y our HhC o v en. Daily Cleaning P r oc edur es Sup plies and E quipmen t T urboChef-appr o v ed o v en cleaner , nylon scr ub pad, cleaning to w els, disposable glo v es St ep 1: P r epar e the O v en -P r ess the back/off key (page 9) to turn the o v en off .
6 CLEANING D eep Cleaning P r oc edur es T urboChef r ecommends deep cleaning the o v en once a month (or mor e fr equently depending on use) to ensur e optimal per formance. U se only T urboChef-appr ov ed cleaner . U sing any other cleaning pr oduct can damage critical par ts and may v oid the o v en ’ s warranty .
CLEANING 7 St ep 7: R emo v e and Clean the C on v ey or (r equir es T WO people) -P osition one person at each end of the conv ey or . -Lift the conv ey or assembly up and then to war ds the left side of the o v en until the conv ey or driv e chain has enough slack for r emo v al.
8 CLEANING St ep 12: Clean the O v en I nt er ior -S pray the bottom and sides of the o v en interior with T urboChef Ov en Cleaner to br eak apar t any heavy stains. Allo w cleaner to penetrate stains for fiv e minutes. -Scr ub the o v en interior with a nylon scr ub pad.
S tandar d O v en Oper a tion.
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9 ST AND ARD OVEN OPER A TION Ov en C on tr ols F igur e 5 1. Displa y The display sho ws curr ent o v en operation and/or user pr ogramming information. 2. S of t Key s S ix soft keys ar e on the o v en contr ols, thr ee on the left (L1, L2, L3, wher e L1 = top) and thr ee on the right (R1, R2, R3, wher e R1 = top).
C ook ing a P r oduc t This section explains ho w to cook a food pr oduct b y describing the “ standar d operation ” modes thr ough which the o v en pr ogr esses (F igur e 6).
11 ST AND ARD OVEN OPER A TION - MODE 9 when the user selects a belt speed and the set cooking temperatur e is lo w er than the ov en ’ s curr ent temperatur e. M ode 3: Ligh ting M ode during which the ignition module applies v oltage to the spar k r od to star t the burner .
12 M ode 8: Idle M ode during which both blo w ers ar e r educed to 30% to sav e po w er . All other o v en components r emain the same. H appens When... -The user pr esses the idle key fr om MODE 6. G oes T o... - MODE 6 when the user pr esses the idle key , up key , do wn key , or any soft key .
13 - ---> (R1) mo v es the cursor to the right. The cursor star ts at the far left character . I f ---> is pr essed when the cursor is on the far right character , the cursor mo v es to the far left character . - <--- (L1) mo v es the cursor to the left.
14 ST AND ARD OVEN OPER A TION T his page int entionally lef t blank ..
O v en M odes.
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15 T he C onfig M ode The CONFIG MODE (F igur e 9) ser v es four main purposes: 1. T o access the smar t car d scr een. 2. T o access the fault count scr een. 3. T o access the SETUP MODE . 4. T o access the TEST MODE . T o access the CONFIG MODE , pr ess the up key fr om the O VEN OFF MODE .
Acc essing the F ault C oun t S cr een R efer to page 29 for fault descriptions. F r om the CONFIG MODE (F igur e 9, page 15), pr ess R1 to access the fault count scr een (F igur e 13).
17 OVEN MODES Chang ing the Displa y Language NO TE: This featur e is not av ailable on all o v en models. F r om the setup menu scr een, pr ess R1 to change the language (F igur e 14): -E nglish -F r.
18 OVEN MODES Acc essing the Bur ner C on tr ol S cr een F r om scr een 1 of the TEST MODE (F igur e 18, page 17), pr ess L1 to access the burner contr ol scr een (F igur e 21). U se this mode to set gas pr essur es (see page 3). T o change the burner ’ s setting, -P r ess L1 to set the burner to full (or to - light the burner).
OVEN MODES 19 e S ho ws whether or not the igniter is on. 0% = OFF , 100% = ON. f S ho ws the v oltage of the po w er supply . B ott om Displa y Line The bottom display line sho ws enabled inputs and outputs on the contr ol boar d. The numbers 1-10 indicate the differ ent bottom display line, which ar e explained belo w .
I nitia ting a Bur n-I n T est NO TE: B urn-in tests ar e for manufacturing use only . DO NO T initiate a burn-in test unless expr essly instr ucted b y T urboChef . T o initiate a burn-in test, P r ess L2 (F igur e 19, page 17) on scr een 2 of the TEST MODE .
O v en S y st ems.
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21 OVEN SY STEMS T he C on tr ol S y st em This section contains information about the follo wing components: -Contr ol Boar d -D isplay -EMI F ilter -F uses -H igh-limit Thermostat -I dle B utton -K .
22 OVEN SY STEMS b) I f terminal r esistance is incorr ect, r eplace the po w er supply . 3. I f corr ect v oltage is pr esent, disconnect the output wir es and check output (-OUT & +OUT ) for 24 VDC.
OVEN SY STEMS 23 3. I f coil r esistance is corr ect (585 k W ): a) A pply line v oltage to the unit. b) Check for 24 V A C at the coil of the r elay when the unit is calling for heat.
T o Fr om D escr iption Expec t ed R esistanc e White Gr ey W inding (A-B) 215-217 W White B lack W inding (A-C) 215-217 W Gr ey B lack W inding (B-C) 215-217 W B lack, B ro wn, or B lue Gr een W indings to chassis O pen F igur e 30: C on v ey or M ot or Ohm Char t 24 OVEN SY STEMS 3.
OVEN SY STEMS Acc essing P ar amet ers W ARNING: DO NO T per form this pr ocedur e unless instr ucted b y T urboChef .Changing the parameters to other than those pr eset b y T urboChef can damage critical o v en components. NO TE: “M otor Rated S peed ” (07) is RPM of motor befor e gearbo x, not after .
2. Check the input v oltage on terminals L1 & L2 (208-240 V A C) and the DC v oltage input on terminals 2 & 5 (0.1-10 VDC). 3. I f no v oltage is pr esent, inspect the wir e harness for damage or shor ts (page 45).
OVEN SY STEMS 27 C ombustion Blo w er The combustion blo w er is a 3000 RPM, 208- 240 V A C, 0.33 A, 50/60 hz, blo w er motor . The winding r esistance is 92 W . The combus - tion blo w er r eceiv es line v oltage (208-240 V A C) fr om the K3 r elay .
28 1. S hut off the gas supply . 2. D isconnect the wir e spar k cable fr om the stud terminal of the ignition module. This will isolate the burner spar k r od fr om the ignition module. 3. U sing a differ ent wir e spar k cable (ensur e that the cable is not damaged in any way), attach one end to the stud terminal of the ignition module.
T r oubleshooting.
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TR OUBLESHOO TING 29 Ov er view of T r oubleshooting This section contains information on the follo wing: - F ault code descriptions - F ault code tr oubleshooting - N on-fault code tr oubleshooting F ault C ode D escr iptions F ault codes ar e logged in a fault counter (page 16) for tr oubleshooting.
30 TR OUBLESHOO TING F8: H igh Limit T r ip ped This fault is display ed if the high limit switch trips. The switch trips when the high limit pr obe r eads appr o ximately 600°F (315.5°C). The fault is clear ed fr om the display when the high limit switch is manually r eset.
TR OUBLESHOO TING 31 F ault C ode T r oubleshooting F r om TEST MODE , y ou can test separate o v en components to help diagnose an issue. T o access TEST MODE , see page 16. T r oubleshooting: F1:BL OWER F A UL T (Blo w er F ailur e) A ccess the TEST MODE .
32 TR OUBLESHOO TING T r oubleshooting: F2: L OW C OOK TEMP (L o w T emp D ur ing C ook) R estar t the o v en, access the TEST MODE , and turn on both the top and bottom blo w ers. Ar e the status indi - cators at location 6, 7, 8, and 9 pr esent (pages 18-19).
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34 TR OUBLESHOO TING T r oubleshooting: F3: NO FLA ME (F lameout) D oes the burner ignite? NO I s the gas line connected and the gas supplied turned on? YES NO I s the unit calling for heat (I f % on fr ont display is gr eater than 0%)? F ix the connection or turn the gas supply on.
TR OUBLESHOO TING 35 I s the 100% and minimum flame adjusted corr ectly (page 3). YES NO A djust the 100% and minimum flame (page 3). I s at least 1.5 u A maintained b y the burner (page 28)? NO I nspect and if needed, r eplace the burner assembly (page A-14).
36 TR OUBLESHOO TING T r oubleshooting: F5: C C OVER TEMP ( C C O v er T emp ) NO I s the unit calling for heat? (if % on fr ont display is gr eater than 0%) YES I s the set temperatur e higher than the cook cavity temperatur e? YES A djust the set temperatur e (page 13).
TR OUBLESHOO TING 37 T r oubleshooting: F6: EC OVER TEMP (EC O v er T emp ) Ar e the air filters on the left end bell clean (page 1)? NO Clean the air filter(s) (page 5).
38 TR OUBLESHOO TING T r oubleshooting: F8: HIGH LIMIT TRIPPED (H igh Limit T r ip ) I s the high limit thermostat tripped (page 21)? R eset and determine why it tripped - o v er temp , blo w er failur e, etc. Check if the high limit pr obe or R TD is damaged or defec - tiv e, r eplace if needed (page A-8).
TR OUBLESHOO TING 39 T r oubleshooting: F9: BEL T F A UL T ( T otal B elt Run F ailur e) Ar e ther e any obstr uctions that ar e blocking the conv ey or ’ s mo v ement or is the conv ey or belt damaged? R emo v e obstr uction or r eplace/r epair the conv ey or and r estar t the o v en.
40 TR OUBLESHOO TING I s the output of the burner transformer 24 V A C (page 28)? T r oubleshooting: F10: A ir P r essur e S wit ch F ault Ar e all the contacts on the high limit thermostat closed? D oes the burner trans - former hav e line v oltage applied to input (208-240 V A C)? YES R eplace the burner transformer (page A-8).
TR OUBLESHOO TING 41 T r oubleshooting: C ooling S y st em Issue I s the o v en in an ar ea of moderate temperatur e (120ºF [49ºC] or cooler)? D oes the o v en hav e r oom to v entilate (not tightly enclosed b y other appliances or fixtur es)? R elocate o v en to cooler ar ea.
42 TR OUBLESHOO TING T r oubleshooting: F ood Not C ook ing P r oper ly D oes the pr oblem occur for all pr ogrammed r ecipes? F or example, ar e all r ecipes under - cooked/o v er cooked/etc.? I s the food item in the corr ect star ting state (e.g., fr oz en, fr esh, etc.
TR OUBLESHOO TING I s the keypad cable pr operly connected to the contr ol boar d? T r oubleshooting: No Keypad I nput R eplace the keypad (page A-8). I f the pr oblem persists, or if beeps occur when buttons ar e pr essed but commands do not r egis - ter on the display , r eplace the contr ol boar d (page A-8).
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S chema tics.
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SCHEMA TICS 45.
46 SCHEMA TICS.
SCHEMA TICS 47.
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Ap pendix A - R eplacing O v en C omponen ts.
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APPENDIX A - REPLA CING OVEN C OMPONENT S A -1 R eplacing O v en C omponen ts W ARNING: B efor e r emo ving or r eplacing any o v en component, thor oughly r ead the safety instr uctions found at the fr ont of this manual and Ov en S ystems (pages 21-28).
A -2 T o R eplac e T his ... F irst Open or R emo v e T his ... It em P ar t Number No P anel R emo v al R equir ed (P age A -6) R igh t End B ell (P age A -8) L ef t End B ell (P age A -12) Back P an.
APPENDIX A - REPLA CING OVEN C OMPONENT S A -3 T o R eplac e T his ... F irst Open or R emo v e T his ... It em P ar t Number No P anel R emo v al R equir ed (P age A -6) R igh t End B ell (P age A -8.
T o R eplac e T his ... F irst Open or R emo v e T his ... It em P ar t Number No P anel R emo v al R equir ed (P age A -6) R igh t End B ell (P age A -8) L ef t End B ell (P age A -12) Back P anel (P.
APPENDIX A - REPLA CING OVEN C OMPONENT S A -5 T his page int entionally lef t blank ..
A -6 APPENDIX A - REPLA CING OVEN C OMPONENT S Caster Catch, Slotted Ey ebrow Chain Guard Chin Assembly , Right End Chin Assembly , Left End Conv eyor Belt Kit (Single Belt Shown) Cover , Right Endbell Filter , Air , Front, 11.
APPENDIX A - REPLA CING OVEN C OMPONENT S A -7 It em P ar t Number Har dw ar e D escr iption Har dw ar e P ar t Number(s) C ast er 102799 U se lif t ers - see I nstalla tion M anual f or instruc tions .
A -8 APPENDIX A - REPLA CING OVEN C OMPONENT S Blower Motor * Blower Motor C ontroller Bracket, Gear Drive Contr oller (2 if split belt) Gear Drive Controller (2 if split belt) Wire Harness , Conv eyo.
APPENDIX A - REPLA CING OVEN C OMPONENT S A -9 It em P ar t Number Har dw ar e D escr iption Har dw ar e P ar t Number(s) Blo w er M ot or , L ow er HHC-6520 Key , 3/16 Shim, Shaf t S eal S ealing Blo.
A -10 APPENDIX A - REPLA CING OVEN C OMPONENT S Geared Hub Sprocket, 1” Bore Spur Gear , 3.5 PD, 5/8-inch Bor e Gear Drive, Dual Belt Nutplate, Drive Bracket Plate, Con veyor Drive , Double Weldment , Bracket, Split Belt Weldment , Shaft, Internal Drive Panel, C onveyor Driv e Spur Gear , 2.
APPENDIX A - REPLA CING OVEN C OMPONENT S A -11 It em P ar t Number Har dw ar e D escr iption Har dw ar e P ar t Number(s) B olt R etainer Br acket HHC-6426 None N/A C ollar , 5/8-inch Shaf t 100257 N.
A -12 APPENDIX A - REPLA CING OVEN C OMPONENT S R eplacing I t ems - L ef t End B ell W ARNING: B efor e r emo ving or r eplacing any o v en component, thor oughly r ead the safety instr uctions found at the fr ont of this manual and Ov en S ystems (pages 21-28).
APPENDIX A - REPLA CING OVEN C OMPONENT S A -13 It em P ar t Number Har dw ar e D escr iption Har dw ar e P ar t Number(s) Blo w er M ot or , Up per HHC-6520 Key , 3/16 Shim, Shaf t S eal S ealing Blo.
A -14 APPENDIX A - REPLA CING OVEN C OMPONENT S R eplacing I t ems - Bur ner C ompar tmen t C ov er W ARNING: B efor e r emo ving or r eplacing any o v en component, thor oughly r ead the safety instr uctions found at the fr ont of this manual and Ov en S ystems (pages 21-28).
APPENDIX A - REPLA CING OVEN C OMPONENT S A -15 It em P ar t Number Har dw ar e D escr iption Har dw ar e P ar t Number(s) A ir P r essur e S wit ch 102836 S cr ew , #8 x 3/4, PPHD , P lt -S tl 104178.
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F or ser vice or infor mation: WITHIN NOR TH AMERICA CALL C ustomer S er vice at 800.90 TURBO or OUT SIDE NOR TH AMERICA CALL +1 214-379-6000 or Y our A uthoriz ed D istributor P ar t N umber: HHC-665.
An important point after buying a device Turbo Chef Technologies 3240 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Turbo Chef Technologies 3240 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Turbo Chef Technologies 3240 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Turbo Chef Technologies 3240 you will learn all the available features of the product, as well as information on its operation. The information that you get Turbo Chef Technologies 3240 will certainly help you make a decision on the purchase.
If you already are a holder of Turbo Chef Technologies 3240, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Turbo Chef Technologies 3240.
However, one of the most important roles played by the user manual is to help in solving problems with Turbo Chef Technologies 3240. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Turbo Chef Technologies 3240 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
