Belshaw Brothers BXC Smartbake User's Manual
Contents
1. b am Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 1750 22 Ave S Seattle WA 98144 Phone 206 322 5474 Fax 206 322 5425 22 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART Is the Is baking Is there 24VDC Change appropriate temperature temperature setting across terminals A1 amp heating element display 9 for program set A2 on heating contactor PT 8 PT flashing above oven element contactors 15 16 and retry indicating the temperature PT 8 PT 15 16 oven oven is heating 1 No for 4 tray and No counter clockwise fan rotation for 10 tray ovens Li Is there a circuit across the heating element contactor coils terminals A1 amp A2 of 65 ohms Set baking temperature higher for program Is the oven temperature increasing and when the oven s there 24VDC across A2 on any heating element contactor PT is at set temperature SUR 45 does the display Faulty main erminal J4 2 on main stop flashing P C B PT 17 a P C B PT 17 PT 24 when calling for heat PT 24 Change and2. eee eee eee BUZZER FAULT CIRCUIT ee E c eec cL OD C is there 24 across amp terminals on the buzzer PT 15 PT 29 when the buzzer should sound Will buzzer PT 15 PT 29 sound at the end of baking cycle Is there 24VDC across terminals J3 1 on main P C B PT 17 P 1 24 and J4 8 on main P C B when buzzer should sound 22 Yes Check wire Fault between J4 8 on auty malin main P C B PT Tes P C B PT 17 Faulty buzzer PT 17 PT 24 anc PT 24 Change 15 PT 29 Replace buzzer PT 15 PT and retry oven and retry oven 29 terminal Press stop button to stop buzzer remove bakec product and oven is ready for the next bake cycle Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 1750 22 Ave 5 Seattle WA 98144 Phone 206 322 5474 Fax 206 322 5425 32 MN 1881EN BXC Smartbake Oven Diagrams 5 This section contains diagrams detailing the electrical components of the 4 tray and 10 tray BXC convection ovens 4 tray BXC Oven starts on page 34 Electrical Components M189E25 01000 PCB Connections M158E25 21000 Outputs M189E25 01100 Power Circuit Diagram M189E25 00100 Control Circuit amp 24V DC Power Sup
3. 51 53 SIHL gt 9661 3 1H9IHAd00 S1H911 40143111 LINNA 114405 0 A S 330 0 8 1 ASV 1 NI 31 322 5474 Fax 206 322 Inc e 1750 2274 Ave S Seattle 98144 Phone 206 Belshaw Bros 5425 38 BXC Smartbake Oven MN 1881EN 00S00 S23681W ON 531108 d ATIVOhILO3T n 2 09 N HdE A0ZZ weusieqi eovues qmu 3 9299 226 902 1N3H3T3 9NILY3H 3 00 09 SNOI123NNOJ YOLOW 196 VM S 22 0621 NOISSIWH3d 38 SINSLNOD SLI 43400 LON LSNW SONS 5138 JO 1934084 SI SIHL 9661 S 1HOTHAGOD 5 01133 03 YOLOW dWald juu dHjld ww dH3ld juu dW3id 28 dH3ld juu 4 ww P L M0113A N3349 IN34313 9NIIV3H 322 5474 Fax 206 322 WA 98144 e Phone 206 Seattle Inc e 1750 2274 Ave S Belshaw Bros 5425 39 MN 1881EN BXC Smartbake Oven 000SS SZ30SIN 0 L18 S31408 ON ONIMVEG d Jf ATIVOnILO3T3 70 AVHL 01 810103 2 8 1852 818 008 1 1004V1 SIN3NOdNOD WI1YLII73 Meer 772 520 5 6988
4. 401 41114 90119 21114 60114 W V 211 ld 8 211 1d 8 201 1d NOISSIWH3d 0391nAIO 38 SIN31NOO SLI HON Std EE 0 4904 135 2155 4 1214 7214 E 1 1155 yu CEWE gt 21185 440 NO 9214 Belshaw Bros Inc e 1750 22 Ave S e Seattle WA 98144 e Phone 206 322 5474 e Fax 206 322 5425 43 MN 1881EN BXC Smartbake Oven ON S31408 d 8 19313 NAAYO 10308449 10 5299 226 902 11038123 AlddflS 1792 845 008 1 04 8 18911 801 3 brant E E AVUL 01 8 PUZZ 0811 8 38 9 171009 14405 YIMOd 20 A Z S1H917 80183111 2 Fax 206 322 BXC Smartbake Oven 322 5474 WA 98144 Phone 206 Seattle Inc e 1750 2274 Ave S MN 1881EN Belshaw Bros 5425 44 00902 S230S1H 20 411 S31408 d ATIVOni1O3T3 710 N3A0 OL 1102812 83804 YOLOW NOISSIWH3d LNOHLIM 38 SIN31NOO SLI HON va z SNOLLV9IJI93d8 WANY qeu 3 8299 226 902 4 952 815 008 1 195 22 lt 902 191 07990222 186 VM emees S 22 05 1 A amp E g3ongosd3H 38 LON ISNI
5. Convection Ovens Model BXC Smartbake 4 Tray amp 10 Tray Belshaw Bros Inc 1750 22 Ave 5 Seattle WA 98144 Phone 206 322 5474 e Fax 206 322 5425 Toll Free 1 800 578 2547 E mail service belshaw com http www belshaw com If you accept the machine from the shipping company you are in effect saying that the machine is in good condition and you must pay for the machine Belshaw cannot pay for shipping damage because the freight company Keep this manual available at all times for has accepted the machine from Belshaw in good use condition and is responsible for its safe delivery For your protection inspect the machine to see that no parts are bent scratched or otherwise damaged If any damage has occurred in shipping file a freight claim with the shipping company immediately EQUIPMENT RECORD Please provide the information below when you correspond with us about your machine Purchased by Installed by Date of Installation Model number Serial number 1004 MN 1881EN Belshaw Bros Inc 1750 2274 Ave 5 Seattle WA 98144 Phone 206 322 5474 e Fax 206 322 5425 Toll Free 1 800 578 2547 E mail service belshaw com http www belshaw com Contents Sections 1 Installation Unpacking the oven Dimensions and Specifications Installation Initial Cleaning Programming the control panel 2 Operation Operating conditions Operating using programmed settings 3 Clean
6. woo weusioqDoowoos 9299 226 002 NJAO 2X8 7 1 52 815 006 58104100 787274 0099 6 22 0641 YOLSVINOD MO0LJVINO2 Nd 1 x 1 102 011 14 89 14 81 14 HILIAS 440 0 8114 BXC Smartbake Oven Belshaw Bros Inc e 1750 22 Ave S Seattle WA 98144 Phone 206 322 5474 Fax 206 322 MN 1881EN 5425 36 00100 5236818 53110874 ATIVOhILO3I3 Q3A0uddY 10 NJAO 7 10 1113813 82804 Woo weusioqDoovuos qeu 3 5299 226 902 Lv 7 815 008 1 VM emees 5 0641 NOISSIWNH3d LNOKLIM Q3910A0 38 SIN3INOO 51 HON Q3idO2 38 LON LSNW SONS MVHST138 JO 1434084 SI SNIMVUO NOIS3O 5 866 3 LH9IHAdOO 322 5474 Fax 206 322 WA 98144 e Phone 206 Seattle Inc e 1750 2274 Ave S Belshaw Bros 5425 37 MN 1881EN BXC Smartbake Oven 00 500 S23681H S31408 d 03A0YddY Alddfis YIMOd 20 9 1102812 108102 uu 9299 226 902 4 9592 815 008 1 295 226 902 191 v 196 VM emees S 22 05 1 155 1 14 LINN 114405 LNOHLIM Q391nAIO SIN31NOO 51 HON 38 LON ISNIN ONI SOYA MYHST38 30
7. 1 T1 T2 on fan overload PT 5A Faulty fan motor 2 T2 T3 on fan overload PT 5A PT 10 PT 18 3 T3 T1 on fan overload PT 5A Replace and retry If no to any check wires between T1 on PT 5A to L1 oven on PT 6 contactor and link from PT 6 L between T2 PT 5A to L2 on PT 6 contactor link from PT 1 6 L2 to PT 7 L2 and between T3 on 5 to L3 on PT 6 contactor Also check for 220V across terminals L1 L2 amp L3 on fan motor overload If supply lost on L a ce ee ee an an ao mo UD or r um m Part PT numbers indicated in parentheses 4 tray oven numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 1750 2274 Ave S Seattle WA 98144 Phone 206 322 5474 GFax 206 322 5425 16 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART 2 FAN MOTOR COUNTER CLOCKWISE ROTATION FAULT CHART ince Gi eb me ems ade Me Erw Mem m E Is there 24VDC Faulty main across terminals P C B 17 J3 1 amp J4 3 on PT 24 main P C B Change and PT 17 PT 24 retry oven Yes for 10 tray Is there 24VDC top motor across terminal N 2 on the TB2 and PT Yes for Is there 24VDC 10C A 21 4 tray motor across termin
8. 1VISOHH3Hl 1V3HH3A0 LINA 8108 HOLIAS 330 NO NIYH ASSY 824 3 idfiD3OHH3HI 832208 LINA 917 80183181 HILIAS 4000 01003105 H T 01083105 N3dW WOLIVINOD 1N34313 8 11 YOLIVINOD 38831389 8010 M012V1N02 QNVAMO3 8010 12V1N0 ANVITIXQY QYOTH3AO 8010 NYA LINN 112415 Na4Od 20 72 14152530 41815 1002 44815 01 88 HiuV3 MVG MJ YVOALLIG VV 1 JUI r r CUU VCO zvv vuc2 Bels lav LJIoO 17 cc 5425 34 BXC Smartbake Oven MN 1881EN NOISSIWH3d 38 SIN31NOO 51 HON 43403 039ndONd3N 38 LON LSNW SONS 5138 JO ONIMVHO NDIS3O SIHL 866 5 LHOIMAGOO 8801123 02 834 NJAO 7 3X8 ot me 6 puzz 0621 123V1N02 034411 040 18340 30123NN02 0 AVA 6 0431 vivo NN SSS 72 RS SS 35 MN 1881EN Belshaw Bros Inc e 1750 2274 Ave S e Seattle WA 98144 Phone 206 322 5474 Fax 206 322 5425 BXC Smartbake Oven NOISSIWH3d N3LLIMM 38 SIN3INOO Sil NON 00110 523681H 38 LON 5 SONG 5138 30 AlH3dONd SI ONIMYSQ NOIS3Q 866 5 1HORIAGOO ON S31408 d
9. 500 52 50 8 0 10 188 EL0 0 88 200 26 2868 100 29 1248 100 11 288 100 26 19 8 100 40 1948 00SS1 GZ 85 LH 100 56 6 88 110 0 88 00 8 1668 100 972 0228 100 972 0228 200 8 61 8 100 8 6728 20 80 1088 20 80 1088 900 6 50 8 700 81 6588 970 80 6588 970 80 6588 700 81 6588 970 80 6588 910 80 6588 100 9E EZ48 100 2 8 110 71 6588 500 0 6588 110 71 6588 500 0 6588 110 22 1588 110 22 1588 3 18 4 2 5 22 902 S 2 0541 LINN 318V 133205 N01108 Z N LINN 1N3H313 9NI1V3H 401 L N LINN 1N3H313 9NI1V3H 832218 LINA 1H911 301831 1 211 5 8000 8108 4011 211 5 0 330 NIVH 1 14 26 14 1 14 08 14 62 14 82 14 18 14 492 14 292 14 ASSV 824 JIdNOIOWY3HL N3A0 L N 1 150 83 1 1 010 3105 80104 H01108 L N LINN 80108 80108 401 L N LINN H T 01003105 YOLIVINOD IN3H313 9NI1V3H 01108 YOLIVINOD 1N3H313 9N 1V3H 401 LINN 14405 04 20 AIZ 3201831N HJ3H 12313 Z N YOLOW YOLON H18 3SU3A3N Z N YOLIVINOD YOLOW 010 H18 ONYANOJ Z N YOLIVINOD YOLOW X201831NI 12313 1 YOLOW YOLON 401 3583 38 1 YOLIVINOD YOLOW 8010 401 OMYMNOJ l N YOLIVINOD YOLOW 3688 AVI3Y 19917 N01331NI AY138 18911 80133181 LOVINOD 1 Z N QVOTH3AO YOLOW 11
10. 2 on any heating element contactor PT 15 16 and terminal J1 2 on main P C B PT 24 when calling for heat Faulty main P C B PT 24 Change and retry oven No eps Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros inc 91750 2274 Ave 5 Seattle 98144 GPhone 206 322 5474 GFax 206 322 5425 26 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART E 10 TRAY OVEN TEMPERATURE FAULT CIRCUIT 1 Check wire between 4 2 on main P C B PT 24 and terminal N 43 on PT 4B and check wire between terminal N 44 on PT 4B on top fan motor overload auxiliary contact and terminal N 43 on PT 5B on bottom fan motor auxiliary contact block Is there 24VDC across A2 on any heating element contactor PT 15 16 or terminal N 43 on PT 4B 5B auxiliary contact on top or bottom fan motor overload PT 4A 5 A when calling for heat Is there 24VDC across A2 on any heating element contactor PT 15 16 and terminal N 44 on PT 4B 5B auxiliary contact on top or bottom fan motor overload PT 4A 5A when calling for heat Yes for 4 tray clockwise direction Check that auxiliary contact PT 4B 5B on top and bottom fan overload PT 4A 5A across terminals N 43 amp N
11. 01 62 5 22 902 1952 845 008 1 vLvS ZCt 902 191 99186 S 9 puzz 0621 134103 0344181 Qv0143A0 NVI 8010 401 89 14 518917 01043105 8 1 3S83A3H 2 NOISSINYSd 38 SIN31NOO SLI HON 38 LON LSNW SONS AlN3dOHd SI 5 SIHL gt 8661 3 1 02 134103 0344181 NYS 80108 H01108 8 14 0 6 0137 Vivo 26 14 8 03 MVG O VOALLIG WVA 11601106 I 9N11002 824 62 14 Beisnaw DIVO HIL S I UU 5425 42 BXC Smartbake Oven MN 1881EN 00 02 S23051H 53110874 lt 8 ATIVOINLOTTS NJAO AVUL 01 3X8 5109100 8 J d 01083105 q 81d 0214 201441 Jf d39ngONd3H LON ASNN ONY SONS MYHS138 30 SI 5 SIHL gt 866 5 IHOIHAdOO SNOLLVOISIOSdS 1v9Iu10313 woo 3 SZvS ZcE 907 4 92 815 008 1 1 9 226 002 191 002 22 VM ames 5 puzz 0541 WOLWINO W013V1N0 801701 0 0104 80104 80108 MOLIOG 401
12. 10A coil of approx 65 ohms and bottom fan motor contactor PT 11A of 65 ohms Faulty top or bottom fan motor contactors PT 10A or 11 Replace and retry oven Lu ee eee rrr Note Part PT numbers are indicated parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 21750 2274 Ave S WA 98144 Phone 206 322 5474 206 322 5425 BXC Smartbake Oven MN 1881EN 21 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART FAN MOTOR CLOCKWISE ROTATION FAULT CIRCUIT Yes for 4 tray oven ee ee Is there a circuit Is there 24VDC across terminal 22 on auxiliary through forward cantact PT 7B which is contactor PT 6A the mechanical electrical coil of 65 ohms interlock between fan contactors PT 6A amp PT C
13. BXC Smartbake Oven MN 1881EN 23 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART 1 ER OVEN TEMPERATURE FAULT CIRCUIT Yes Check wire between PT 5B 44 and PT 10a 11a terminal N 13 and Is there 24VDC across any between top fan contactor PT 10a heating element contactor terminal N 14 and bottom fan PT 8 PT 15 16 and terminal contactor PT 11a terminal N 13 N 13 on 4 tray forward contactor or 10 tray top and bottom fan motor contactors PT 7A PT 10a 11 Faulty contact on reverse contactor PT 7 Replace and retry No for 4 tray No for 4 tray Is there 24VDC across A2 on any heating element contactor 15 16 and terminal N 14 on 4 tray reverse contactor or Faulty contact on top or bottom fan Check wire Yes between PT 5B 10 tray top and bottom fan motor contactor OS 44 and PT 6 13 motor contactors PT 7A PT 10a PT 11a rotation for and the link PT 10a 11a Replace and retry direction 10 tray oven between PT 6 13 and PT 7 13 Is there 24VDC across any heating element contactor PT 8 PT 15 16 and terminal N 2 on overheat thermostat PT 22 PT 21 Is there 24VDC across any heating element contactor PT 8 PT 15 16 and terminal N 1 on overheat thermostat PT 22 PT 21 Check wire between terminal N 1 on overheat thermostat PT 22 p
14. if no to any check fan 10 PT 18 overload PT 4A and main power supply Replace and retry oven Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 1750 2274 Ave 5 Seattle WA 98144 Phone 206 322 5474 Fax 206 322 5425 20 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART Faulty main 15 there 24VDC P C B PT across terminals 17 PT 24 J3 1 amp J4 4 on Change and main PT retry oven 17 PT 24 Is there 24VDC Check wire from Is there 24V DC Yes across terminal across terminal N 2 on TB2 and p PT 24 to N 2 on TB2 and PT 10C B 21 PT 10C B 21 PT 11C B 21 Check wire between PT 10C B 22 and PT 11C No B 21 Check if contact 21 22 of PT 10C B is closed when PT 10a is energized If not replace PT 10c Yes for 4 tray Yes for bottom motor 15 there 24 DC across terminal N 2 on TB2 and 11 8 227 Check if contact 21 22 of PT 11C B is closed when PT 11a is energized If not replace PT 11c Check wire from PT 11C B 22 to PT 10 1 Is there 24V DC across terminal N 2 on TB2 and PT 11a A1 15 there a circuit through top fan motor contactor PT
15. energized If not replace PT 10c Is there 24VDC across terminal N 2 on TB2 and PT 11C A 21 Yes Check if contact 21 22 of PT 11C A is closed when PT 11a is energized If not replace PT 11c Is there 22VDC across terminal N 2 on TB2 and 11 227 Yes Is there 24VDC across terminal N 2 on TB2 and PT 10a A1 Check wire from PT 11c A 22 to 10 1 Faulty top or bottom fan motor contactors PT Is there a circuit through the top fan motor contactor PT 10a coil of 65 ohms 10a 11 and bottom fan motor Change faulty contactor PT 11a of contactor and 65 ohms retry oven 10 tray battom motor Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 01750 22 Ave S CSeattle WA 98144 GPhone 206 322 5474 206 322 5425 18 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART 10 TRAY BOTTOM FAN MOTOR COUNTER CLOCKWISE ROTATION FAULT CIRCUIT 10 tray bottom fan motor With bottom fan contactor PT 11a energized is there 220VAC across the following terminals 1 T1 T2 on bottom fan motor contactor PT 11a 2 T2 T3 on bottom fan motor contactor PT 11a 3 T3 T1 on bottom fan motor contactor PT 1 1a Is there 220VAC across If n
16. in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 01750 22 Ave S Seattle WA 98144 206 322 5474 GFax 206 322 5425 28 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART _ OVEN TEMPERATURE FAULT CIRCUIT Is there 220VAC across each heating element PT 11 PT 30 31 Yes Check each heating element PT 11 PT 30 31 for open circuit Approximate resistance of 18 5 ohms Replace heating element unit if necessary No Is there 220VAC across the following points on heating element contactors 4 tray 10 tray top and 10 tray bottom 1 L1 L2 L2 L3 amp L3 L1 on heating element contactor PT 8 PT 15 16 2 1 2 T2 T3 amp T3 T1 on heating element contactor PT 8 PT 15 16 If no to any points on 1 check wires from L1 L2 amp L3 on contactor to main terminal block TB1 and customer power supply to oven If no to any points on 2 check heater contactor contacts or replace contactor e u lll m Rm Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 21750 22 Ave S Seattle WA 98144 Phone 206 322 5474 206 322 5425 BXC Smartbake Oven MN 1881EN 29 4 TRAY amp 10 TRA
17. indicate fan tripped out No J4 12 amp J5 3 on main main P C B PT overload P C B 17 24 17 to PT 5B terminals 34 amp 33 Retry oven Will Fan Overload message disappear Yes for 10 tray ovens Yes Is auxiliary contact Push black button block contact PT on overload to reset 5B PT 4B 5B and Check wires between terminals 33 amp 34 overload Will Fan Overload message disappear when the oven is retried terminals J4 12 to PT 5B 33 and from PT 5B 34 to PT 4B 33 and from PT 4B 34 to J5 3 on main P C B PT 24 indicating 0 ohms when overload has been reset Faulty main P C B PT 17 PT 24 Replace and retry Change auxiliary contact block PT 5B PT 4B 5B Retry oven Does display indicate in s em J4 1 on main P C B PT 17 Faulty main P C B PT 17 PT 24 Replace and retry PT 24 Press green start button select a program and press green Full Load icon Check for loose No wires on terminals 45 4 amp J4 1 and fit link if required Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 01750 22 Ave S Seattle WA 98144 Phone 206 322 5474 206 322 5425 BXC Smart
18. option in Figure 2 1 and the program list will appear Figure 2 2 If the oven has not been programmed see the section on programming on page 3 Tue 23 07 2002 09 16 11 Start Start Full load Half load Figure 2 2 Highlight the desired program by pressing buttons 2 3 5 or 6 to scroll down up 10 down or 10 up respectively Start heating the oven by pressing button 4 for load bake or button 1 for a full load bake The following screen will appear Figure 2 3 To stop heating press the stop Back button at any time 000 Test Programme Heating Figure 2 3 Belshaw Bros Inc e 1750 22 Ave S e Seattle WA 98144 e Phone 206 322 5474 Fax 206 322 5425 BXC Smartbake Oven MN 1881EN 5 Stand clear of the oven door when opening to avoid the hot steam and vapor Hot steam or vapor may cause severe burns Always preheat the oven to required temperature Do not place product directly into a cold oven 7 When the oven is ready the following screen will appear Figure 2 4 Load the product and press the button corresponding to the Start option button 4 Figure 2 4 8 When the bake time is over the buzzer will sound and the screen will read Bake Over Figure 2 5 Press stop and remove the product or press button 4 to extend the bake time by two minutes The Stop button may be pressed at any time to stop the bake 000 Test Programme Bake Over 9 Upon pressing
19. 08 Z N LINN 08018310 YOLOW 12V1N02 ANVITIXQV L N YOLOW 401 LN LINA uO10H 8 2 H 11012812 1041N02 8 2 H 18911 80183111 2 14 12 14 02 14 61 14 81 14 11 14 91 14 51 14 71 14 211 19 44 14 11 14 201 14 401 14 01 14 48 14 28 14 45 14 14 47 14 e 1d 2 14 1 19 88 14 0114183530 SNIMVuQ NOISSIWH3d LNOHLIM Q3911AIO 38 SINSLNOD 611 HON 83400 LON 5 SOXA MYHST38 40 AlH3dONd SI ONIMYMQ NOIS3Q SIHL 866 3 322 AVU WAN UCALLID 1 JU DGIDIIAW DIUOS HIL gt 5425 40 BXC Smartbake Oven MN 1881EN 03A08ddV 01 1n0AV1 13 4 71081N02 NIVH eq 97 30114 80114 20114 814 NOISSINYJd LNOHLIM GSD INAIG SINSINOO SLI HON 031900 38 LON LSNW ON SONS MVHST38 30 AlN3dOMd SI ONIMVHO NDIS3O SIHL 868 5 HORA 1 NI Inc e 1750 2274 Ave S Seattle WA 98144 Phone 206 322 5474 Fax 206 322 Belshaw Bros 5425 41 MN 1881EN BXC Smartbake Oven 00715 523051 5311084 12313 5 01133 03 834 14510 810102 N3A0 3X8
20. 144 e Phone 206 322 5474 Fax 206 322 5425 2 MN 1881EN BXC Smartbake Oven Programming the control anel The BX Smartbake oven is capable of storing 99 preset bake settings To program these settings into the oven follow these instructions 1 Press the Stop button to get to the first screen see Figure 1 2 Firmware Version BX 1 50 Programme Set Select Product Figure 1 2 2 Press button 2 for the pass code screen see Figure 1 3 Figure 1 3 3 Enter the pass code using the numbered buttons default is 111111 The following screen will appear see Figure 1 4 EDIT MODE 000 empty 1001 PETIT PAIN i PAIN FLUTE BAGUETTE PAIN DE CAMP ANGE CAMPANGE LOUNGE CIABATTA COUNTRY LOUNGE COUNTRY CROWN Start Start Full load Half load E Figure 1 4 4 Press button 1 for full bake set up or button 4 for bake set up All parameters for the program can now be set 5 The oven is capable of six different phases per bake and if fewer are required the time can be left at 0 to leave that phase inoperative e To move across the screen press button 4 e To move back press button 1 e To increase the value of the parameter press button 3 e To decrease the value of the parameter press button 2 6 Program Title To set the program title press button 6 to go up the alphabet and button 5 to go down the alphabet When all parameters are complete pres
21. 44 is closed 0 ohms when overload is reset p om ew P Check wire between PT 5B 44 Is there 24VDC across A2 and PT 6A 13 on 4 tray oven on any heating element between PT 10a 13 and PT contactor PT 8 PT 15 10b terminal N 13 on 10 tray 16 and terminal N 13 on oven and between the top fan 4 tray forward contactor contactor PT 10b terminal N 14 PT 5A or on 10 tray top and bottom fan contactor PT 11b or bottom fan motor terminal N 13 on 10 tray oven contactor PT 10b 11b Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 21750 2274 Ave S Seattle WA 98144 206 322 5474 206 322 5425 BXC Smartbake Oven MN 1881EN 27 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART i 4 TRAY AND 10 TRAY OVEN TEMPERATURE FAULT CIRCUIT 15 there 24VDC across A2 on any heating element contactor PT 8 PT 15 16 and terminal N 14 on 4 tray forward contactor PT 6A or PT 7 or on 10 tray top or bottom fan motor contactor PT 10b 11b 5 lt c Check wire between terminal N 14 on reverse contactor PT 7A and terminal N 1 on overheat thermostat 22 Faulty contact on 4 tray forward contactor or 10 tray top or bottom fan mot
22. LSNW NI SOVA MYHST38 JO ALlN3dONd SI SNIMYHQO NSIS3O SIHL gt 8661 G LHOIAdOD 5301198340 9NI3002 YSHLYNS 340338 032 1438 38 LSAW 11 JHL 01 581330 9 41 i9NINSVM LNVLYOdW 38084 N3HM 38 LSAW 38V 38084 33n1V33dW31 XSV 5 015300 3AYH 31 Inc 1750 22 Ave S Seattle WA 98144 Phone 206 322 5474 Fax 206 322 Belshaw Bros 5425 MN 1881EN BXC Smartbake Oven Troubleshooting The following pages contain troubleshooting fault analysis charts for the Classic convection oven Belshaw Bros Inc e 1750 22 Ave S e Seattle WA 98144 e Phone 206 322 5474 Fax 206 322 5425 10 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART Br id d Plug in machine control Reset control plugged l6 power sony M C B 3 M C B PT 3 PT 2 cee and switch on PT 2 tripped Will on off switch on PT 18 PT 26 illuminate Check wires on On Off switch Is there 115VAC between neutral and both sides of Is the main On Off switch PT 18 PT 26 Press the button to switched on and switch on supply Will PST illuminated button illuminate Check customer s reset power supply to oven and c
23. LT ANALYSIS CHART r e gt INTERIOR LIGHT FAULT CIRCUIT Check wires and wire crimps between J4 7 on main P C B PT 17 24 to terminal 7 on Is there 22VDC across terminals 7 amp 8 on interior light relay PT 2 PT 8 and relay energized Is there 22VDC across terminals J4 7 on main P C B PT 17 24 and J3 1 on main P C B Is interior light illuminated PT 14 PT 28 interior light relay Yes for 4 tray Faulty main PT 2 PT 8 Will ovens P C B PT relay energize 1 24 Change retry oven Yes for 10 tray ovens 15 there 115VAC across neutral and terminal N 5 on internal light relay PT 2 Check internal light MCB PT 4 has not been tripped and wire from PT 4 to Is there a circuit internal light relay through interior light terminal 5 relay 2 8 coil of approx 622 ohms Is there 115VAC across terminals 7 amp 8 across neutral and Replace internal 1 1 i terminal 3 on interior light relay a 1 1 2 2 8 energize No for 10 tray oven Faulty contact on interior light rel
24. N ONI SOVG 5138 JO AlN3dONd SI SNIMVHO NOIS3O SIHL 9661 3 1 4 2 n 2 09 z 3 N HdE 5110 022 5474 Fax 206 322 322 WA 98144 e Phone 206 Seattle Inc e 1750 22 Ave S Belshaw Bros 5425 45 MN 1881EN BXC Smartbake Oven 00402 523051H 20 9 92 S31408 d ATIVOINLOSTS Q3AOBddV 1103812 83 04 9 11 AVUL 01 Hm NOISSIWH3d LNOHLIM SIN31NOO SLI YON 83400 38 LON ASNN SONG MYHS138 JO AlH3dOHd SI ONIMYHO NOIS3O SIHL 9661 3 1 4 2H093 N 3SVHd 022 9299 226 902 1952 815 008 vLvS CCC 902 191 96 VM 5 S 22 05 1 9NI1V3H 9NI1V3H 1N3H313 W01108 1N3H313 401 e Seattle WA 98144 Phone 206 322 5474 Fax 206 322 Belshaw Bros Inc e 1750 22 Ave S 5425 46 BXC Smartbake Oven MN 1881EN 00 02 Sc30SIW 0 9 92 ONIMVSG 537408 IN 1N3H313 9NILV3H 8 SNO1133NNO3 N010W AVHI OL 6295 275 902 1992 819 008 9199 226 902 191 106 VM emeos S puzz 05 1 14 1N3H313 N01108 0 14 1N3W4313 401 IN3W4313 9 11 3 9319 314 9319 9319 9319 NOISSIWH3d LNOHLIM 38 SIN31NOO SLI YON d3ld
25. OO 38 LON 5 SONG MVHST38 AlH3dONd SI 9NIMVHO NOIS3 SIHL 8661 3 1H9034409 5 01133 03 YOLOW NJAO 40 1 084 01133810 3S51 32012 NV l 14 YOLOW 01108 N3AO0 40 1NOMJ WON 01133810 3S51M32012 81 19 8010 401 9 322 5474 Fax 206 322 e Seattle 98144 Phone 206 Inc e 1750 22 Ave S Belshaw Bros 5425 47 MN 1881EN BXC Smartbake Oven
26. SKT 4 SKT 1 Is there 24VDC across terminals N 1 amp 3 on socket connection when damper solenoid should operate Will damper PT 9 PT 17 solenoid open when required Is a circuit through damper solenoid PT 9 PT 17 across damper connecting socket SKT 4 SKT 1 across pins N 1 amp 3 Resistance is approximately 46 ohms Check wire between J1 6 on main P C B PT 17 PT 24 and SKT 4 terminal 3 Faulty main P C B PT 17 PT PT 24 Replace and retry oven Faulty damper solenoid PT 9 PT 17 Replace and retry oven damper operation Check damper operation by hand rotating to ensure it rotates and returns when released BUZZER FAULT CIRCUIT Se SSS SS SSS Se ee Will buzzer PT ae Is there 24VDC across ls there 24VDC 15 PT 29 1 terminals J3 1 on main across amp terminals sound at the P C B PT 17 PT 24 and on the buzzer PT 15 end of baking J4 8 on main P C B when PT 29 when the buzzer should sound cycle buzzer should sound Check wire Fault between 4 8 on aulty main main P C B PT yas PCB 17 Faulty buzzer PT 17IPT 24 24 Change 15 29 Replace buzzer PT 15 PT and retry oven and retry oven 29 terminal Press stop button to stop buzzer remove baked product and oven is rea
27. Y SMARTBAKE FAULT ANALYSIS CHART STEAMING FAULT CIRCUIT Open oven door and load product then close door Will water run Then press start into the tray in button 3 to start the oven to bake cycle create steam Check if water supply is connected to oven and not blocked and turned on When oven calls for steam is there 24VDC across terminals J3 1 amp J4 6 on main P C B PT 17 PT 24 when steaming occurs Faulty main P C B PT 17 PT 24 Change and retry oven Is there 24VDC across water solenoid PT 12 PT 20 when steaming is required Non steaming cycle Check for open circuit Yes through water solenoid PT 12 PT 20 approximate resistance is 58 ohms Check for loose wire between solenoid PT 12 PT 20 and J4 6 on main 17 24 Part PT numbers are indicated in parentheses 4 iray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 01750 2279 Ave S Seattle WA 98144 Phone 206 322 5474 206 322 5425 30 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART 1 DAMPER OPENING FAULT CIRCUIT Is there 24VDC across terminals J3 1 on main P C B PT 17 PT 24 and 41 6 on main P C B PT 17 PT 24 when damper should open Disconnect damper connecting plug amp socket
28. al 22 on auxiliary contact PT 6B which is the mechanical electr cal Check wires interlock between fan from J4 3 on contactors PT 6A amp main P C B to terminal 22 on PT 7A and J3 1 Check the wire 104 main P C B PT 17 from J4 3 on main bottom PT 6B motor P C B PT 24 to PT 10C A 21 Yes Check auxiliary contact PT 6B on forward contactor PT 6A is closed Check mechanical electrical interlock between forward reverse contactor is working correctly Is there a circuit through the reverse contactor PT 7A coil of 65 ohms Yes Faulty reverse contactor PT Change and retry oven kom mm e me em e ds n GUN MEE um seit mem a m Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 01750 22 Ave 5 6 WA 98144 206 322 5474 Fax 206 322 5425 Smartbake Oven MN 1881EN 17 4 4 TRAY 8 10 TRAY SMARTBAKE FAULT ANALYSIS CHART 10 TRAY TOP FAN MOTOR Check wire between PT 10C A 22 and PT 11C A 21 Check if contact 21 22 of PT 10C A is closed when PT 10a is
29. ay PT 8 Replace and retry oven No for 4 tray oven Check interior light M C B PT 1 has not tripped out Reset and retry Faulty contact on interior light relay PT 2 Replace and Check that the eee eee eee a retry oven SKT3 4 way Is there 240VAC connector to the across neutral and Check for interior lights is terminal 3 on loose wires on plugged interior light relay interior light together PT 8 bulb holder and check for faulty bulb Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 01750 22 Ave S Seattle WA 98144 206 322 5474 Fax 206 322 5425 BXC Smartbake Oven MN 1881EN 15 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART _ FAN MOTOR COUNTER CLOCKWISE ROTATION FAULT CHART 1 1 any phase check incoming supply Is the fan No motor PT 10 s there Yes for 4 tray 18 19 1 220 across there 24VDC l running in a across terminals A1 4 TB3terminal With fan reverse contactor PT 7 A2 on the 4 tray 2 energized is there 115
30. bake Oven MN 1881EN T3 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART Fit link between J5 1 and J5 2 an main P C B PT 17 Pt 24 Will Close Door message disappear Is oven door securely closed and operating door switch PT 13 PT 27 Does display indicate lt m ta Close Door Faulty main oh P C B PT 17 secure door PT 24 Replace switch and retry Plug connector together and retry oven ls SKT 2 connector on door switch plugged together Reconnect SKT 2 on door switch Disconnect Disconnect the SKT 2 the two wires from connector 5 1 amp 45 2 on Connector on door main P C B PT 17 PT 24 Does resistance switch On the plug part indicate 0 ohms across the two wires when the does resistance indicate door switch is operated 0 ohms when the door P switch is operated No Faulty door switch Check wires and wire PT 13 PT 27 crimps between J5 1 amp Replace and retry J5 2 to SKT 2 terminals N 1 amp 3 on door switch connector 7 Note PT numbers indicated parentheses 4 tray oven numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 01750 2274 Ave 5 Seattle WA 98144 Phone 206 322 5474 Fax 206 322 5425 14 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAU
31. dy for the next bake cycle Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 21750 22 Ave S Seattle WA 98144 206 322 5474 206 322 5425 BXC Smartbake Oven MN 1881EN 31 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART 1 DAMPER OPENING FAULT CIRCUIT en Se te mre Is there 24VDC across terminals J3 1 on main P C B PT 17 PT 24 and J1 6 on main P C B PT 17 PT 24 when damper should open Disconnect damper connecting plug amp socket SKT 4 SKT 1 Is there 24VDC across terminals amp 3 on socket connection when damper solenoid should operate Will damper 9 17 solenoid open when required 15 a circuit through damper solenoid PT 9 PT 17 across damper connecting socket SKT 4ISKT 1 across pins amp 3 Resistance is approximately 46 ohms Check wire between J1 6 on main P C B PT 17 PT 24 and SKT 4 terminal 3 Faulty main P C B PT 17 PT PT 24 Replace and retry oven Faulty damper solenoid PT 9 PT 17 Replace anc retry oven damper operation Yes Check damper operation by hand rotating to ensure it Y rotates and returns when released
32. ected Then reconnect plug to power supply Change fuse and retry Change power supply unit PT 1 PT 14 and retry Check wires from J3 3 to SKT2 8 on power supply unit PT 1 PT 14 and wire from J3 1 to TB2 terminal block on 4 tray and from J3 1 to TB2 1 on 10 tray ovens Also check wire from SKT2 1 on power supply unit to TB2 on 4 tray or TB2 1 on 10 tray Is there 24VDC across terminals J3 Terminal 1 on main P C B PT 17 PT 24 and J3 Terminal 3 on main P C B Check FS1 3 15 Amp fuse on main P C B PT 17 PT 24 Replace and retry oven if fuse blows again replace main P C B Place link across terminals J2 1 and J2 2 Will display Thermo O C disappear thermocouple 16 23 Replace and retry Faulty main P C B PT 17 PT 24 Replace and retry Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 1750 2274 Ave 5 Seattle WA 98144 Phone 206 322 5474 Fax 206 322 5425 12 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART FAN MOTOR OVERLOAD FAULT CIRCUIT Check wires Is fan motor Exinde overload PT 5A Does display lves p 5A Fit link across terminals J4 12 amp J5 3 on
33. ection oven safely heed the following warnings and all other warnings that appear in this manual e Use the oven only for baking bread confectionery and savory products Do not use for any other items without consulting Belshaw e All repairs and maintenance of electrical units must be done by authorized electricians Electrical access panels must not be opened unless the main supply to the oven is isolated Any chimneys or ducts fitted above the ovens should be insulated All connections must be made in accordance with the regulations of the country where the oven is installed Do not touch the oven its windows or immediate surroundings during or shortly after use as these surfaces may be hot Use only Belshaw parts in this oven Do not change the construction of this oven The owner of the oven is legally obligated to instruct staff using the oven in its operation and in these safety regulations The instructions must stay in the oven s working area This oven uses a steam generator Hard water must be properly treated before use Belshaw Bros Inc e 1750 22 Ave 5 e Seattle WA 98144 e Phone 206 322 5474 Fax 206 322 5425 iv MN 1881EN BXC Smartbake Oven Installation Unpacking the oven 1 Move the crate containing the oven to the workstation 2 Remove the machine from the shipping crate being careful not to lose loosen or damage any parts 3 Remove all packing materials f
34. emove the rear paneling inside the oven This allows access to the fan assembly which is not safety interlocked and could cause injury Dry completely Weekly Cleaning 1 2 Complete the daily cleaning Carefully clean off any burnt on debris using an appropriate oven cleaner following the manufacturer s instructions Do not allow the oven cleaner to get in the control panel Scrub the cabinet wheels if fitted with a mild detergent and hot water using a nylon cleaning brush Open the oven door and remove the internal racking from the sides of the oven by lifting and unlatching the racking Wipe the interior of the oven with a damp cloth On the BX 4 open the inner door glass by removing two screws shown in Figure 3 1 The glass is hinged to allow a more thorough cleaning i 1 C Remove these screws to release OH 2 inner glass for cleaning Figure 3 1 Removing the inner door glass BX 4 only Clean the glass with a suitable glass cleaner 7 Wipe down the oven and clean the racking with a damp cloth Reassemble all parts back in the oven after cleaning Belshaw Bros Inc e 1750 22 Ave S e Seattle WA 98144 e Phone 206 322 5474 Fax 206 322 5425 BXC Smartbake Oven MN 1881EN 7 e Ifthe steaming operation deteriorates clean the pipe aperture with a pin to remove any In the 4 tray oven do not damage the build up control probe protruding from the upper corner of the i
35. heck circuit through reset M C B 15 there a minimum 12VDC across terminals J3 terminal 3 on main PT 17 PT 24 and J3 terminal 3 on main Faulty main P C B PT 17 PT 24 Replace and retry oven Is display indicating Yes Power Fail When J3 connector is disconnected from main Check main power supply PT P C B is there 24 4 PT 14 and or across terminals J3 terminal 1 and J3 terminal 3 on the replace removed connector Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 21750 22 Ave 5 Seattle WA 98144 Phone 206 322 5474 206 322 5425 BXC Smartbake Oven MN 1881EN 11 Is the display illuminated Does the display indicate Thermocouple 1 O C 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART Check wire between the main on off switch PT 18 PT 26 terminal 1B on 4 tray terminal 5 on 10 tray to SKT1 L on power supply unit PT 1 PT 14 Is there 115VAC across red and blue AC input wires on SKT1 on PT 1 PT 14 main power supply unit No Is fuse FS 1 3 15AMP on power supply unit 1 14 O K Is there 24VDC across pins 1 amp 6 on SKT 2 on main power supply PT 1 PT 14 with connector disconn
36. heck auxiliary contact PT 7B on forward contactor PT 7A and J3 1 on main 6A is closed Check Yes for P C B PT 17 that mechanical Faulty forward Oey electrical interlock contactor PT fan motor Check wires from J4 4 on main P C B to terminal 22 on PT 7B between forward reverse contactor is working correctly 6A Change and retry oven With bottom fan motor contactor PT 11a energized is there 220VAC acrass the following Is there terminals 220VAC 1 T1 T2 on bottom fan motor contactor PT 1 1a across TB4 terminal biock terminals 1 amp 2 2 amp 3 1 amp 3 2 T2 T3 on bottom fan motor contactor PT 1 1a 3 T3 T4 on bottom fan motor contactor PT 1 1a If no to any check wires between TB3 1 to T1 TB3 2 to 2 and TB3 3 to With oven switched off is there a resistance across TB4 terminal block terminals 1 amp 2 2 amp 3 1 amp 3 of 50 ohms With bottom fan motor contactor PT 11a energized is there 220VAC between neutral and 1 T1 T2 on bottom fan overload PT 5A 2 T2 T3 on bottom fan overload PT 5A 3 T3 T1 on bottom fan overload PT 5A If yes to any check wires between T1 on PT to L1 PT 11a T2 on PT 5A to L2 on PT 11a and T3 on PT 5A to L3 on PT 11a If no to any check fan overload PT 5A and main power supply Faulty bottom fan motor PT 19 Replace and retry oven
37. ing and Maintenance Daily cleaning 7 Weekly cleaning 7 Maintenance 8 Lubrication 8 4 Troubleshooting 10 Troubleshooting Fault Analysis 11 5 Diagrams 33 Limited Warranty Insert Belshaw Bros Inc e 1750 22 Ave 5 Seattle WA 98144 e Phone 206 322 5474 Fax 206 322 5425 BXC Smartbake Oven MN 1881EN iii Preface The Belshaw BX Smartbake convection oven is a computerized compact electric oven with a capacity for either four or 10 trays Each tray is 26 x 18 The convection oven is made of stainless steel and is fitted with a removable tray rack allowing easy cleaning of its internal surfaces The 4 tray oven is designed to be stackable without separate support allowing the system to grow with your business without taking up a large area The 10 tray oven is equipped with an integral energy efficient steam system A double glazed door also helps to increase energy efficiency and the oven base is supplied with locking castors The high speed fan and ring element provides efficient air circulation helping produce a range of high quality products To help ensure safe and efficient operation of the oven the operator must work safely at all times read this manual and follow its instructions and warnings A thorough understanding of how to install maintain and safely operate the convection oven will help prevent production delays and injuries To use the conv
38. neutral and direction 2240 the following terminals contactor PT 7 or X and 1 amp 3 1 T1 on reverse contactor PT 7 10 tray motor 2 T2 on reverse contactor PT 7 contactor PT 10a Noor 3 T3 on reverse contactor PT 7 11a and energized 1 10 tray oven If to any check wires between TB3 1 and T1 TB3 2 and T2 and TB3 3 and T3 With fan motor contactor PT 10a energized is b there 220VAC across the following terminals 1 1 1 2 on motor contactor 2 T2 T3 on motor contactor 3 T3 T1 on motor contactor If no to any check wires between TB3 1 and T1 TB3 2 and 2 and TB3 3 and i Yes for With fan motor contactor PT 10a energized is there 220VAC across the following terminals With oven 1 1 2 on f load PT 4A T2 on fan overioa 1 switched off is 2 T2 T3 on fan overload PT 4A there resistance 73 14 on fan overload PT 4A across TB3 If yes to any check wires between T1 on PT 4A terminal block to L1 on PT 10a between T2 on PT 4A to L2 TE terminals 1 amp 2 on PT 10a and between T3 on PT 4A to L3 on Ves fr 104 283 and 1 amp 3 of PT 10a 50 ohms If no to any check fan overload PT 4A and main motor power supply With fan motor contactor PT 7 energized Is there 220VAC across the following terminals 1
39. nside rear wall of the oven Lubrication chamber This machine does not require special lubrication Make sure water does not enter the control panel or rear access panel Do not remove the rear paneling inside the oven This allows access to the fan assembly and could cause injury Maintenance e Check for frayed or bare cables The machine must not be used if there are frayed or bare cables e Follow cleaning instructions exactly e Check condition of the rubber door seal Repair or replace if necessary e Ifthe light bulb burns out use the following instructions to replace it a Disconnect the oven from the main power supply and allow to cool b Remove the glass front from the lamp unit c Remove the bulb by unscrewing counterclockwise and replace with a new bulb d Refit the glass front e Reconnect the oven to the main power supply and test the lights Belshaw Bros Inc e 1750 22 Ave 5 e Seattle WA 98144 e Phone 206 322 5474 Fax 206 322 5425 8 MN 1881EN BXC Smartbake Oven 10111504 38084 3140020 83 1 9NIMOHS SNOILINYLSNI 9NINV31 X8 5205 228 902 1952 815 008 vLvS CCC 907 191 vr196 VM neos 5 22 0941 03A0H39 HLIM 8 3QISNI 38084 9 13001 0 NOISSINH3d LNOHLIM 38 SIN31NOO SLI LON
40. o to any check wire between TB3 1 to T1 TB3 TB4 terminal 2 to T2 and TB3 3 to T3 block terminals 1 amp 2 2 amp 3 and 1 amp 3 With bottom fan motor contactor PT 11a energized is there 220VAC across the following terminals 1 T1 T2 on bottom fan overload PT 5A 2 T2 T3 on bottom fan overload PT 5A 3 T3 T1 on bottom fan overload PT 5A If yes to any check wires between 1 on PT 5A and L1 on 11 between T2 on PT 5A and L2 on PT 11a and between T3 on PT 5A and L3 on PT 11a If no check fan overload PT 5A and main power supply With oven switched off is there a resistance across TB4 terminal block terminals 1 amp 2 2 amp 3 1 amp 3 of 50 ohms Faulty bottom fan motor PT 19 Replace and try oven T Note Part PT numbers are indicated in parentheses 44 oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 01750 22 Ave S Seaitle WA 98144 206 322 5474 Fax 206 322 5425 BXC Smartbake Oven MN 1881EN 19 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART FANMOTOR CLOCKWISE ROTATION ______ Is there 24VDC across terminals A1 amp A2 on 4 tray forward and on 10 tray top and b
41. or contactor PT 6 PT 10b 11b Replace and retry Is there 24VDC across A2 on any heating element contactor PT 8 PT 15 16 and terminal N 1 on overheat thermostat PT 22 PT 21 No for 4 tray Check wire between terminal N 14 on bottom fan contactor PT 11A and wire link between bottom contactor 11 and terminal N 14 on bottom contactor PT 11B and terminal N 1 on overheat thermostat PT 21 No for 10 tray Yes 15 there 24VDC across A2 on heating element contactor PT 8 and terminal N A1 on heating element contactor PT 8 15 there 24VDC across A2 on any heating 77 element contactor PT 15 16 and terminal N 2 on overheat thermostat PT 22 PT 21 Check if overheat thermostat PT 22 PT 21 has tripped out Reset and retry if no 24VDC on terminal N 2 replace overheat thermostat Yes for 10 tray Check wire between A1 on PT 8 PT 15 to overheat thermostat PT 22 PT 21 terminal N 2 and the link between A1 on 10 tray top heater contactor PT 15 to A1 on bottom heat contactor PT 16 P L ea o o 3 Note Part PT numbers indicated
42. ottom fan motor contactors and energized Is the fan motor running in a clockwise direction No Yes for 4 tray and 10 tray top motor s there 220VAC across TB3 terminal block terminals 1 amp 2 2 amp 3 1 amp 3 With 4 tray forward fan motor or 10 tray top fan motor contactor PT 6 PT 10a energized is there 220VAC across the following terminals 1 T1 T2 on motor contactor PT 6 PT 10b 2 T2 T3 on motor contactor PT 6 PT 10b 3 T3 T1 on motor contactor 6 106 If no to any check wires between TB3 1 to T1 between TB3 2 to T2 and between TB3 3 to T3 Yes for 10 tray botiom motor Yes With oven switched off is there a resistance across TB3 terminal block terminals 1 amp 2 2 amp 3 and 3 amp 1 of 10 ohms for 4 tray or 50 ohms for 10 tray top motor With 4 tray fan forward motor or 10 tray top fan motor contactor energized is there 220VAC between neutral and the following terminals 1 T1 T2 on fan overload PT 5A PT 4A 2 T2 T3 on fan overload PT 5A PT 4A 3 3 1 fan overload PT 5A PT 4A 4 Tray Oven If yes to any check wire between T1 to T1 T2 to 2 and to on PT 5A and PT 6 contactors If no to any fan overload PT 5A and main power supply 10 Tray Oven If yes to any check wires between Faulty main T1 to L1 between T2 to L2 and between T3 to L3 motor PT on PT 4A and PT 10A
43. oven Yes contactor PT 15 16 2 T1 T2 T2 T3 amp T3 T1 on heating element contactor PT 15 16 If no to any points on 1 check wires from L1 L2 amp L3 on contactors to main terminal block TB1 and customer supply to oven If no to any points on 2 check heater contactoe contacts or replace contactor Check each heating element PT 30 31 for open circuit Approx 18 5 ohm Replace heating element of the unit Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 1750 2274 Ave 5 GSeattle WA 98144 206 322 5474 206 322 5425 BXC Smartbake Oven MN 1881EN 25 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART Set baking Change temperature appropriate higher for heating element program contactor and retry oven Does display indicate Heating and is oven EC NEP f 0 for Is there a circuit 1 Is baking Is there 24VDC across each top temperature across top and and bottom setting for bottom heating heating element program set element contactor contactors coils above oven PT 15 16 PT 15 16 temperature terminals A1 amp A2 terminals A1 amp A2 of approximately 65 ohms Yes for 4 tray clockwise direction 15 there 24VDC across
44. ply M189E25 00400 Fan Motor Connections amp Heating Element Wiring M189E25 00500 10 tray BXC Oven starts on page 40 Electrical Components M150E25 55000 Main Control Panel Layout M150E25 20200 PCB Connections M150E25 51400 Outputs M150E25 20400 Interior Light amp Power Supply Circuit M150E25 20500 Motor Power Circuit Diagram M150E25 20600 Heating Power Circuit Diagram M150E25 20700 Fan Motor Connections amp Heating Element Wiring M150E25 20300 Belshaw Bros Inc e 1750 22 Ave S e Seattle WA 98144 e Phone 206 322 5474 e Fax 206 322 5425 BXC Smartbake Oven MN 1881EN 33 NOISSIWH3d GSOINAIG 38 SIN3INOO 51 HON 00010 523681H Q3idOO 38 LON ISNIN SONG MYHSTI3S 40 AlM3dONd SI SNIMVHO NSIS3Q SIHL 866 5 LHONAKOD 3 va S31408 d 2 ATIVORILOSTS N woo soues qeur3 5275 228 902 N3A0 AVHl 7 810102 8L X 92 1 52 815 008 1 vLvS CCC 90 191 1 04 1 SIN3NOdHO3 7 21 ua 9196 VM ames 510 0 88 520 51 6988 100 16 2918 100 20 2918 0055 52 851 re 570 80 6588 970 80 6588 9 0 80 6568 6 22 0541 00010 10 881 18 355 ONYH 10010 10 681 11883559 1331 214 16 0064 5 00500 0 651 811 2 005V S3uvdS 71V21NYH23H
45. retry oven Is there 24VDC across A2 on any heating element contactor PT 8 PT 15 16 and terminal N 43 on PT 5B PT4B auxiliary contact on 4 tray motor overload PT 5A or 10 tray top and bottom fan motors overload PT 4A when calling for heat For 4 tray and 10 tray top oven check wire between J1 2 on main PT 17 PT 24 and terminal N 43 on PT 5B PT 4B For 10 tray bottom oven check wire between terminal N 44 on PT 4B on top oven and terminal N 43 on PT 5B on bottom oven Is there 24VDC across A2 on any heating element contactor PT 8 PT 15 16 and terminal N 44 on PT 5B PT 4B auxiliary contact on 4 tray motor overload PT 5A or 10 tray top and bottom fan motor overload PT 4A when calling for heat Yes or No clockwise rotation for 10 tray oven Check auxiliary contact 5 4 on fan overload 4 across terminals N 43 amp N 44 is closed 0 ohms when overload is reset Yes for 4 tray counter clockwise Yes for 4 tray direction clockwise direction and 10 tray oven NENNEN xum 2 Note Part PT numbers are indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated Belshaw Bros Inc 01750 227 Ave 5 WA 98144 GPhone 206 322 5474 206 322 5425
46. rom the machine 4 Inspect the machine to see that no parts have been damaged during shipping If any damage has occurred file a freight claim with the shipping company immediately IMPORTANT Keep this manual available for future Dimensions and Specifications reference 2618 4 tray oven 2618 10 tray oven Height 21 inches 74 inches Depth door closed including 53 5 inches handle Width 33 5 inches 33 5 inches Operational clearance 2 back and sides 10 top 2 back and sides 10 top Total power 7 5 kW 17 kW 208 V 3 phase N E 60Hz 208 V 3 phase N E 60Hz fused at 35 fused at 58A Supply cable 6 feet of cable provided 6 feet of cable provided Loading 7 kW concentric ring element CEN concentnic ring elements Fan drive Direct to motor Direct to motor Tray size 26 x 18 26 x 18 Tray capacity 4 5 9 or 10 Damper Butterfly type Butterfly type Noise level Less than 85 dB Less than 85 dB Operational clearance is the amount of space required at the back sides and top of the oven to allow adequate air circulation Belshaw Bros Inc e 1750 22 Ave S e Seattle WA 98144 e Phone 206 322 5474 Fax 206 322 5425 BXC Smartbake Oven MN 1881EN Water Supply e The BX Smartbake oven is fitted with a steam generator In areas with hard water the water supply to the o
47. s Stop three times to save the setting Repeat this process for each program required Belshaw Bros Inc e 1750 22 Ave S e Seattle WA 98144 e Phone 206 322 5474 Fax 206 322 5425 BXC Smartbake Oven MN 1881EN POWER LEVELS TEMPERATURE BAKE DURATION minutes STEAM DURATION bakes seconds nnm 27 FAN CYCLES FAN DWELL seconds DAMPER DELAY from start of bake phase Function of settings Power Levels Not used in current configuration Temperature The temperature the oven will bake at for the specified phase Can be set from 122 F to 482 F 50 C to 250 C Bake Duration The length of time in minutes the oven will bake in the specified phase For example Phase 1 set at 2 min Phase 2 set at 4 min and Phase 3 set at 10 min has a total bake time of 16 minutes Steam Duration The length of time in seconds that steam will be injected into the oven at the beginning of the phase Note Can be set from 0 to 20 seconds and will only operate if the temperature is above 250 F 120 C Fan Cycles The number of times the fan will reverse rotation from clockwise to counterclockwise and back Note Can be set from 0 to 9 Do not set the fan cycles number higher than 1 cycle per minute of bake time Fan Dwell The amount of time in seconds that the fan will stay off during a rotation change Note Can be set from 8 to 15 006 Test Programme Note The hea
48. t 21 and 4 tray PT 7A 14 or on terminal N 14 on 10 tray bottom fan contactor PT 11A Check if overheat thermostat PT 22 PT21 has tripped Reset and retry If no 24VDC on terminal N 2 replace overheat thermostat M Note Part PT numbers indicated in parentheses 4 tray oven PT numbers are listed first then 10 tray oven PT numbers unless otherwise indicated cc mee ee eee eee aw ee m Belshaw Bros Inc 1750 22 Ave S Seattle WA 98144 206 322 5474 Fax 206 322 5425 24 MN 1881EN BXC Smartbake Oven 4 TRAY amp 10 TRAY SMARTBAKE FAULT ANALYSIS CHART Check wire between A1 on any heating element PT 8 PT 15 16 to overheat thermostat PT 22 PT 21 terminal N 2 and on the 10 tray link between A1 on top heat contactor PT 15 and bottom heat contactor PT 16 4 tray oven 220VAC across heating element PT 30 31 No Is there 220VAC across the following points on the heating element contactors PT 15 16 on top and bottom yes Yes for No clockwise rotation 1 L1 L2 L2 L3 amp L3 L1 on heating element T for 10 tray
49. the Stop button the screen will revert to the program screen Figure 2 2 Figure 2 5 10 To bake in a preheated oven select a new program with keys 2 and 3 Then follow instructions 6 8 During heating button 1 can be pressed at any time to check the settings Press button 1 again or wait 10 seconds to return to the previous screen Until the oven is up to the target temperature the display will show Heating then the display will show Ready and the oven will stay at the target temperature until baking starts or another program is selected Belshaw Bros Inc e 1750 22 Ave S e Seattle WA 98144 e Phone 206 322 5474 Fax 206 322 5425 6 MN 1881EN BXC Smartbake Oven Cleaning and Maintenance 3 Daily Cleaning 1 Disconnect the oven from main power supply and allow to cool completely before cleaning Use only approved chloride free cleaning fluid for daily cleaning Sweep any debris after the oven has been allowed to cool onto removable oven trays and remove for cleaning Brush down and wipe oven front back and sides Carefully clean the oven with a damp cloth that has been soaked in a solution of mild detergent and hot water being extra careful around control switches In the 4 tray oven be sure the control probe protruding from the upper rear corner inside the oven is not damaged see page 9 Do not let any liquid enter the control panel or rear access panel Do not r
50. ting elements are off during the Fan Dwell time Damper Delay The amount of time in minutes the damper will wait before opening during one bake cycle Note Can be set from 0 to 99 e If this time is set higher than the total bake time the damper will not open e The damper will only open once during a complete bake cycle and will close at the end of the bake cycle Belshaw Bros Inc e 1750 22 Ave 5 Seattle WA 98144 e Phone 206 322 5474 Fax 206 322 5425 4 MN 1881EN BXC Smartbake Oven Operation Operating conditions For the most efficient operation the following instructions must be followed Failure to comply with these guidelines may affect the warranty e The ambient temperature around the oven must not exceed 115 F 40 C e The ventilation around the oven should be enough to ensure that there is no condensation on or around the oven from steam e It is the customer s responsibility to arrange for adequate ventilation and operational clearance at the back and sides of the oven to allow circulation of air Running Pre set programs 1 Connect water ensuring there are no leaks 2 Connect the power to a suitable outlet 3 Turn on the oven by pressing the green button and the following screen will appear Figure 2 1 Belshaw Firmware Version BX 1 50 Programme Set Select Product Figure 2 1 2 Press Button 4 which corresponds to the select product
51. ven must be treated with an appropriate protecting water treatment device It is the sole responsibility of the customer to provide and maintain an appropriate water treatment system For stacked ovens the water supply should be shut off by closing the shut off valves See Figure 1 1 e For non stacked ovens the water supply should be shut off at the nearest shut off point The BX Smartbake oven needs the following for the water supply 34 BSP female thread on the oven e 3foot long hose with 34 B S P female fittings at both ends included e Inline backflow valve customer must provide and fit e 15 60 p s i water pressure Installation The BX oven should be connected to a local means of isolation To stop the oven in an emergency switch off at the wall isolator Initial Cleaning Carefully wipe the interior of the oven and all accessories with a clean cloth soaked in warm soapy water and allow the oven to dry completely IMPORTANT When cleaning the inside of the 4 tray oven be careful not to damage the control probe protruding from the upper corner of the chamber s rear wall Do not allow water to enter the control panel or rear access panel WATER SUPPLY REAR VIEW OF OVEN SUPPLY FROM WATER FILTER Turn appropriate valve 90 counterclockwise to turn off water supply Figure 1 1 Turning off the water supply Belshaw Bros Inc e 1750 22 Ave 5 Seattle WA 98
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