Hobart CN40 User's Manual
Contents
1. rae or Ob grat ava Io9SvlvItQ VS 535 7799959 9I qv31 b1 S YO IH HB SOIT assy 031 SSV 116 HO FENI 2142917 Pl LAS SOIT ies WO HE sva Sd ew vo Hit Qvae 9s uv anap annoys OL SN3AQ W3ddh 123NNO2 CIpo 070 CENSNTNOIDES 33081 HAD TU 1 29 IED 63913 HLA NINO ROPA O22 gsHeidng Jum INISAN 35v amp M 5r OL 1951703 AISNNOD 2 X 2 t X O3XUYN 19D AS OJHSINUAS 38M Ovi SWS ANISA N01123S ISYA WI TYNIRY3 3 AIdIAS OL N023 H2Y3 5 HOY3 1238802 SHO SKOLDIS NJAO 20 AIDHASSY uiiiv 7 SN3AO NOIO3S 3gvHd4 1 le CECA 54D113973 PHASE CONNECTIONS R THREE GLE O von iN G 11 WIRING DIAGRAM MODEL CN60 208 240 VOLTS 50 66 Hz 5 1 gus OC is aron waa u HH 8 A MESE OREN UNUS DEI SE RMN o WH MH uH ZUH v UH 99H SUH CYH GSYH YH i yay NOILDIS 35vi NIG Fn n IS WI 5n ORnOuS OL ONTOS 1N3WN 7018 TYNIWu31 Ol G3HDYLIY JY HUM 40138 NJAO OL NJAO S3ddf NI 32018 1YHINH3 LIND 1891 12340D Q3HOVLIV 391 SISA N3AQ YJMOT OL 3SYB NI u3KHOJSNYWL 103NNOD 2 3 9 48 GIHSINUNS Ot8 y JYIM 29935 W YO NIN 0 1735 35Y6 NI 0012. 3109401 h LH 1S3LON I 825 Wy921 SNTHSA 2 su SHH OZSA 01001 Ovi 73999 S N 7v9 01 6 OY 3999 S m7 v9 210211 Y 6 0 SOY 72999 Sh v9 91 491 1 6 9 1 SQv31 042 0 v l j S 1979 gt 3SVH4 539 ONIOVO 3SVHd 109 lvliBvS 335 MSY 135 Ov33 BOs 1 9V 35 9 M 9m ONNOYI OL QNnQUO LNIMGINDI L 3NNOD C W2018 1VNIW831 01 Q3HOvILY JHM MOT3G NIAU OL N3AO YJddN Ni 018 1vNIMH3L JYAO 12388002 29 AX 93Xuv LV MIT OL SN EJTWISN Tiy TEINS NJAO NOIL33S 33uH o VER TIT JNhOM9 1 ANY 10180 0271 BIVWALSN 48 1235 3SY8 NI Nuti sya __ WO11535 NIAD A ISYA Yd SIMAC LINO 35 Hd 1 MO3 8 3 ISN N3A0 NI 110281 TONING 304 YU Q3usiNun3 381 ONISN NOIL23S ISYA NI M013 JY3 LINO SNOI1235 N3AG 30 18 355 BILIV I SILON YINVLINI 1 VLSNI IRD 7091905 NJAO NOWOIS OML TSvHd t TWAT x t adware MXC LNA 025 YORI ONIHSNG 0255 9 21 38 va SOM lv NJJA103 SNOVLOINNOO 114 AV TSH g IS 8 mue SVU won 7 15 we tite alli eS We gt lt 23H CRG lt voci N e 2 a gt M N O ES a O gt gt lt a lt T
3. T o u SINGLE OR THREE PHASE CONNECTIONS 54D113978 d3n widnoar AON HOLS 25 5 HIS TS 1N3wi9NvuUuv LING ISVO 901 ONNOYI OL ONNOYS iNiMdIDOJ 12388OD7 amp w2018 vNIMH3 OL Q3Hoviiv Jet AO148 NIAC O1 NJO U3ddn NI 2018 TWNINYIL LINJYI HQI 153NN0 7 2 Quy AOI dort SN3AO NOIL23 3SvHd 3SYHg QIHSINUNS 35 IYNINYJL LV AIdINS OL NOIL23S 1 3NNO NU1235 NJAO jQ A1l303SSv uJ3lijv i P 2v SW Y90I NIST NOILOJS FSYB NI w2018 PLC IPRC ON SN 3A0 NOILISS 3SYHd jovHd 1 owgmvisNi AGS NJAO 9012935 TIONS Gos HOLIMS MILD 3A3 NIHON A B INIAN NOIIO3S 3578 EE 35vHd NO V3dNnf LINO f3SvHa NO U3dNnr FSN NJAO NI 128012 1 911 303 wow A TG Oe TYNUAW3E D No 35vHd u3d M3 9NIQvO 3SvHd ga 09371 IZ Y 02 50931 10091011095 335 ASSY 135 Qv33 X04 3SVHd 0l IV AOE 802 riis NU vo 21661 21 80937 SOV IEIEHC28 vO 94 8 0031 3999 9 W v5 91 9 Y2 SOWIT 3ol S N vo Iyi PRC SOVITE 73512 dMY SE JAYI N3AQ ASU LYA QOI Z LAN SSVEG ISN ONY HILIMS 40 WNL g AY U3dMh YYN831X3 3AOn38 H LWS 29 1 197108 namre 925 990 LINN H3M01
4. FESR YO 33 OL SUOU1Y 3N33m133 SNOIL23NNO NY 9UH OOH Mtv LNA u343n FIG 17 WIRING DIAGRAM MODEL CN78 208 240 VOLTS SINGLE OR THREE PHASE CONNECTIONS 54D113977 PL os 82 S AWD OI UI Qv31 739399 S vo 2U8IY21 0 S0v31 23 7H 28 VO 9 5 Ov31 73999 ANI SI SI 1 Y Z9 b 1 509311 157108 i098vivi eS PPS MSY 135 3SVHd EFI IVA 3SY 291 GNNOwD OL OHNO INiAdInO LD34NOQ2 amp JAIM Mil MOT38 NJAN 21 NJAO gwidgf M X23219 2 A amp ODA 17 NIT 104402 La 36 HIV 199822 S8 41235 NJAQ JO A1983 INEM S3TIVISNI NJAO NOIL n ives co nul nan lMimajnos LINII 0 1 TVW TAIT V3 SVR VAT d AS pr Srt TAGS OWIWCONT 014235 Sve Ni Ong 4 804 jannr LWO 3SvMd uO4 b3smnh ISN ts HADR NS f r St TT OF SP YO 2 39 OL x 5008 1v 29 140 4 23902 THY LINED 04107 BOD Weary 32016 Cei NE M iy P QAM sv OO 29 age Tm 18085 I un WANS FIG 18 WIRING DIAGRAM MODEL CN78 480 VOLTS THREE PHASE CONNECTIONS 540113979 22 PIPING COMPONENTS SUPPLIED FOR BAKE OVENS QUALITY PART 2 3 FOR NUMBER PART SECTION SECTION EXTRA OVEN
5. Open small access door on oven lower right front by loosen ing single screw at door top Door is hinged at bottom Select proper size knockout in bottom or back to match conduit size and remove the knockout plug by twisting it Connect conduit to knockout Pull line wires through conduit and connect to terminal block terminals per appropriate voltage and phase wiring diagram Connect grounding electrode to oven grounding lug at tached to oven bottom Grounding lug is marked label GND adjacent to it Separate 110 V Line Required N74 4 0 3 3 4 Power Line Conduit 7 0 3 3 4 Light Circuit Conduit Yes N78 4 0 3 3 4 Power Line Conduit 7 0 3 3 4 Light Circuit Conduit Yes TABLE 2 CONDUIT ENTRANCE LOCATIONS Facing Oven 7 Check routing of supply lines to assure that they are clear of oven door lever and cable 8 After making electrical connections and checking connec tion security and wire routing close and secure access door HOOKING UP A TWO THREE STACKED OVEN SYSTEM First stack ovens per instructions in paragraphs numbered 4 through 6 and then make electrical connections as follows 1 See Fig 9 208 or 230VAC or Fig 10 460V AC for correct wiring diagram Note all CN 40 ovens are wired single phase at factory and each oven is single phase in its own operation 2 In a stacked oven system only one set of electrical supply connections are made to terminal
6. e 31ON 335 NOIL23NNOO LINGNOD fe DN 313 63 62 c 2 eo o z a cc Q 2 u rr 2 MJA Z NO MJA 1 83 5 5 310NvH YOOO 9SN QDN 61 X cvs x 2t 35 NO 123S NJAO H2V3 30 SNOISN3JWIQ 335 310N 335 31VNH311V 310N 335 3IvNd 311v 3did SNOLL23NNOO WY31S 3015 Nunl3d Wvi3lS 7 2 9 1 310N 335 NO 123NNO2 LINGNOD 3NWA ONIINGIY 3H1 30 123333 SNI1V3H U3 ns 3H1 139330 OL N3AO 3 1 ONY JATVA ONIDNGIY IHL N33M138 0351 H3sN30NO V HO Jdid 30 13001 1SV31 1V W3H1 3 ONY 38 OTNOHS JAIA NING 035 s 15451 3 08v v 310N 335 308 IUNSSIYd HOIH v mm 8 31 7159 Ol 0332X3 LON OQ 15d 5 WY31S 3HnsS3Hd MO AMH9IS YO O31vunlvs ISN M3IA LINOHJ 92ND 310N 33S 31vNU31L1V 00291 310N 335 Idal 38v4 9 855 dOL G NO NJAO 3478 NOIIiSOd N3dO NI HOOT N34 2 FIG 5 FLOOR PLANS CN75 76 77 1 310N 335 5 310N 335 geo RS i SNOIID3NNOO Wv31S u31n0 SNOIL 3NNO2 WV31S VNH3INI I i HLM O30 A0Hd 011 235 N3A0 H2 3 NOII23NNOS WV3IS S 2 310N 335 W31SAS LINJA Ol A1123H Q 3dld 3014 123NNOD LON 00 JMi v I an wate HS 3NNOD 3013 3H1 BV31 01 dv3H JHL NI NOLLDINNOD HO 3H3H QIYO 33 Nv 310H NOIL23NNOD LINONOD t WOll08 3 v8 3 NOTID3NNO NI LNONDONY By 117128
7. 19 for details of assembly CAUTION connecting steam take care that no water enters the oven thru steam connections The following precautions are necessary prior to and while admit ting steam into oven 1 Make sure that outside steam piping is dry clear of water Supply line must be trapped or drained Steam valves must be closed tightly whenever oven is not using steam Make sure that valves do not leak Make sure that steam or water does not drip into an idle oven rust corrosion could damage heating units and other metal parts 6 Follow instruction tag attached to outside steam connections 2 3 4 5 94 N 2 2 IM 3 50 IN 150 87 53 95MM LKT 2 00 IN W 50 80 MM DIA KNOCKOUT IN BACK DL FOR CONDUIT CONNECTION KNOCKOUTS BOTTOM FOR CONDUIT CONNECTION 4 __ 2 50 IN 63 50MM cir e DCOR N OPEN FOSITION EX TENDS CONDUIT CONNECTION 14 50 IN SEB 30mm ROM OVEN FRONT DIMENSIONS IN INCHES IN AND MILLIMETERS MM re H TD 514 35MM 635 36 00 IN 914 40 4 31 IN 109 A7MM 4 56 IN 15 82 MM S14 40MM TOP viEW DIMENSIONS OF LARGEST PIECE 568 45MM X 914 40MM X 977 90MM 22 881N X 36 00 IN X 38 50 IN 581 15 MM X S14 40MM X 977 GOMM _ 225 IN 12 00 IN 22 88 IN X 36 00 IN X 38 50 IN 581 5 MM X 914 40MM X 977 90MM 164 15 304 80 MM eT TF 20 25 25 00N _ e 00MM 12 251N 17 00 IN
8. 6007 40 NOS IHL 40 CSIRO St 3A3 W3A0 032205 V 40 Qvo 031238802 TVLOL 2005 7 82018 TVNIRUIL 5 SIHA OINI 40 QOHLAR H1 dod 83048 WO HAO IH HlU QiMSNUn3 FFE ONIYI IHL 33S N3AO SIME 40 901 NO Q3X3Y1S SUTUOUE 2401 80 NJAO NOIL23ANO2 V 039001 INO SNOT 14 9 UY GIP 50031 024007 9801 14 3 v Ci 2 SOV NJAO H vV3 QIHSINUNI 3uv Si 20 SQY31 981133NN0D YANNI 105 3442 SEOIUMS HIDE 40 C V SIJAN ISN NIJO QIN 009 3 340 HQ VIY 34A1 2 011 A009 y5 21 39 01 9 Tus JSVHd wid AX 9 5 D ZH09 06 3SYHd Y1 2 YAOOP FREY 335 NIHO Y Oi 50091 1238803 ONY 6 NOLOA SHE NLSN2018 o CWHINU3I N330139 CFT 21 2 SOY 123NNO SN3AQ OMY 419r OIOVIS 13V 4 HKO ANB NINO 10 3 i P v1 SO RT 3104 NIFOHS SV SN3A0 43A01 NY 83430 JHA NI 32018 vWIRU31 JHL N330130 t Y 21 SOVIT L93NNOD N340 IRI 9NDOVIS 031 3v 8 3 TIVISRI BO ORD 38 NOILZXS N3AG NOI238 OR FRAT Aano WONOS 3 e ADM Joe NN aS 5 9 SYES310N 335 n s 1 79011935 N3AO 319NiS FIG 10 WIRING DIAGRAM MODEL CN40 460 VOLTS 50 60 Hz SINGLE OR THREE PHASE CONNECTIONS 54D113961 JUVASHOS NTA
9. OVEN OVEN SECTION 0 Ee N241P609 BUSHING N241P607 N241P608 TEE N241P612 i 1 N241P611 GLOBE VALVE 41 610 UNON O i 2 J N241P606 NIPPLE USE SATURATED OR SLIGHTLY PRIMED LOW PRESSURE CEED 10 psi IF A HIGH PRESSURE BOILER ABOVE 15 psi IS USED A SHOULD BE PROVIDED AND EITHER AT LEAST 100 ft OF BARE P USED BETWEEN THE REDUCING VALVE AND THE OVEN TO OFF ING EFFECT OF THE REDUCING VALVE l l i 548104151PT Thread the conduit long at the top Thread a nut on the conduit as far as it will go Thread wires through the conduit Insert the long threaded end of conduit into conduit opening in the base section 3 Pull wires through the conduit and straighten conduit at the same time Screw conduit into coupling Run nut up on threads till it meets the bottom of the base From the inside of the base tighten another nut on the conduit against the base bottom Top the conduit with a bushing FIG 20 INSTALLATION OF RIGID CONDUIT TO THE BASE SECTION WHEN OVENS ARE ALREADY MOUNTED Modets CN50 through CN78 Table 1 offers a composite description of the 27 models with key characteristics and capabilities The following design high lights are except as noted common to full line of installation ovens CONTROLLED DIRECTIONAL HEATING Each section contains two fast responding Calrod heating element banks one in the top one
10. 3 Refer to wiring diagrams Fig 11 through Fig 19 for ap plicable model oven and make wiring connections Each base has a grounding tug for the equipment ground Run ground wire up to each oven as indicated on associated wiring diagram ELECTRICAL CHECK ALL OVENS After all connections have been made the oven should be checked electrically to ensure all wiring is correct and that the oven functions properly 1 38 iN 35 05um 50 60uM 1 Turn on power supply to the ovens 2 Turn top and bottom pull to turn heat switches to the high position Turn circuit breaker switch if provided and On off switch if provided to the on position 3 Set the thermostat control knob to 250 F setting 4 Oven should now be operating Indicator light on switch panel should be on 5 Check phase power and currents using Table 3 6 To turn off the oven turn both heat switches and the thermostat control knob to the off position or flip circuit breaker to off if applicable 7 Check for proper grounding Device s must be grounded in accordance with requirements of the National Electrical Code or applicable locai code STEAM CONNECTIONS CN74 CN78 SERIES These models have interior piping for connecting standard exterior steam connections Standard outside steam connec tions may be ordered extra and assembled by the customer For CN5O amp 70 series Steam Connections are optional extra See Fig
11. KW Per Phase 3 PHASE 1 PHASE 208 230 V ENT OMNEM NNI DID 28 0 0 0 28 8 26 1 0 0 26 1 13 0 0 0 28 8 26 1 13 28 8 28 8 49 8 26 1 26 1 45 1 226 13 0 13 0 57 7 52 2 26 1 45 1 49 8 49 8 49 8 45 1 22 6 22 6 22 6 86 5 78 3 39 1 Standard Voltages 208 230 or 460 AC 1 or phase CN41 single phase only OMINAL AMPS PER LINE WIRE 1 PHASE n Standard Voltages 208 240 or 480 AC 1 or 3 hase 60 HZ SE LOADING KW PER PHASE Standard Voltages 208 240 or 480V AC 1 or 3 Phase 60 HZ HASE LOADING E As NOMINAL AMPS PER LINE WIRE Raat eee I NM I 1 PHASE Pay pw px te 5 4 7 5 16 0 13 0 22 3 22 3 7 NOMINAL AMPS PER LINE WIRE 3 PHASE LOADING 3 PHASE 1 PHASE KW PER PHASE Standard Voltages 208 240 or 480 AC 1 or 3 Phase 60 HZ Standard Voltages 208 240 or 480V AC 1 or 3 Phase 60 HZ Separate 115V line required for deck light amp control circuit NOMINAL AMPS PER LINE WIRE 3 PHASE LOADING 3 PHASE 1 PHASE KW PER PHASE 65 6 65 8 52 5 57 0 57 0 45 5 28 5 28 5 22 7 91 7 91 7 91 7 79 3 79 3 79 3 39 6 39 6 39 6 Standard Voltages 208 240 or 480 AC Single or Three Phase 60 HZ Separate 115 V line required for deck light amp control circuit TABLE 3
12. Upper Heating Unit Lower Heating Unit Base Locating Stud Flue Trim Cover Top Deck Clamps Access Door Door Handle Flue Riser cO OO gt WN FIG 8 TWO PAN OVEN ASSEMBLY MODEL CN51 amp CN71 SHOWN INCLUDE BASE AND LEGS amp 05096 0v 335 SO 31 NJAO ONILIINNOD HINNI MMOHS SY SN3AQ NOLLOB ONY 209 096 335 MSV ISNI Y 81 901 3H1 NI 2018 TWHINYAL 109 096811 AVG 335 NJAO Y TOWINOD 003 3H1 N33A4138 4191 SOY 03sn 10 30v USUS vA 133NNO ONY SN3AQ arai Sava a P ONY 3100M NI SHOT SN3 0 NY IHL 1N3W39NYUUY SNIHOLIMS VNIMU34 IHL N33A138 3201 YNINU3I HL N33M138 SQv31 1 3NNO SNIAO OML SITH SQVY31 123NNOD N3 O0 JHL 9NDOVIS 4311v 83 YIVISNI JHL 9NDOVIS OND 38 15nM 5 011935 TI 10 OPW 3d AYN NO 1235 NJAO NO 193S 33UHL NJAO NOILOJS OML 3svHa NJAO ROLOS 35VHd 3svHg NJAO MOLOG 3SYHqQ gsr a e 1 ve FE ioca 53410N 335 9YS v SILON 335 SILON 39 _ 3 970 310N 339 ng 343H NN D NNDD 3N11 jen s vA 34v T oe OL SANIT Ad 1338015 SNOIL23S 0392015 Bhi 40 SOVON 40 IHL 30 31 201430 MIAO OINIV S V 40 AVO 031238802 10101 9078 WHINE tay DRS d SINAAD QLAL ONIMIAC40 381 OS 331099 M 7
13. and washer assemblies provided and assemble the studs projecting away from the oven sec tion Tighten nuts to secure studs solidly to bottom d Place the oven section on top of the section already mounted The four locating studs in the bottom of the top oven section will register with the holes in the oven section below it holding the oven sections in alignment When lowering the oven section into place make sure that the lower end of the rectangular flue nests properly in the flue flange casting These ovens may be stacked three high 5 Place a flue flange casting on the flue of the top oven with the smaller end up 6 All sections should seat firmly together Check oven sec tions for being level as this is important to the operation of the oven It may be necessary to shim under one or more of the legs to level the oven assembly ASSEMBLING OVEN SECTIONS CN50 CN60 CN70 CN74 amp CN78 SERIES 1 Carefully uncrate the base section with the bottom side of the crate down The insulation is held in the base section by the crate during shipping and handling Exercise care to keep the insulation in place while removing the crate Set the uncrated base section on supports slightly higher than the legs Attach a leg at each corner of the base with the bolts washers and nuts furnished Set the base and leg as sembly on the floor It is most convenient for the electrical installers to complete conduit connections to the base at th
14. sy Q m AAO FAL HILM QINSINUIU nyo aaa 335 N3A0 prr aad sean AM NOI123S NJAO 315NIS 40 40i WO CDOYIS dav SU PIONI 2 80 1 40 NOI123AN02 v f RU n 0M3 039001 3NO HALIA 034001 NO MIA Set SOON o ders EU ae 81 M OFWRINUNL 39 21 9 SON 03 BINE ANAE mor s a Ae 9 p Z 50937 A a ye vO te t 7 DRM PNEU Nd 0 214 22 91 SOY m 34 2 821 eae PHASE CONNECTIONS 540113959 SION T9 TIR TEY Dev IZIS SNO1123NNO2 A gans oo o 9 310N 335 3215 SNOILIINNOD aS 2 y 4 o E e e LIND NA d 9 3108 2 6 mv 7215 7 5 NIK SNOILIBNNOD AIdINS oo AEEA FARAN SINGLE OR THREE gt e eo N M eo e N o o ed ul a o lt tc lt a o i o ans AS SIS M SSY ROSE dNYOS Wor JOON e SOT 155 AYO JSYHd Wig MY INYOT 3SvHd C HOS 08 3SYHa 91 VA 0829802 ONIH21VVAS NMOHS JSYHd WY39VI0 DLYW3H2S Qi os asm 1 04 3 n 7 NI 03215 B02 150 SHOLLNNO2 AINS NAOHS SY N3 0 WOLIOS E 30038 mo we or SANIT Xlagns 13388025 5801133 02321 snoluYA AHL
15. 15 dWV T NOILO3NNO2 Z WIS WOl109 35 8 NI SLNOWIONY 3 0 12 v I 26 FANS d3MOd NOLOSNNOO LINGNOD Ct 310N M3I INOW3 I8ND 3919 9X DIM NOILI3NNO WV31S AURIS AVIS 310N 33S 31VNU3LTV 3015 NOILD3NNOD LINGNOD ae 2 91 _ 3918 l 310N 33 NI Y 31S 3A1VA 9NI2003H JHL 30 123433 9NI1V3H 43d NS 3H1 135340 01 N3AO 3HL ONY JAVA 9NI2nQ3H N33 138 035 H3SN3QGN0O2 V HO Jdid JUVE 30 LOO 1SV31 1v u3H113 i Q30iAOWd 38 CINOHS JANIA 9NI2n038 v Q3sn SI 15981 3408 v 3unsS3ud v 310N __ Sd O 0335X3 10N 152 5 EEE WW31S 3unss3ud MOT Q3WIud s M3I dOl Q3ivunivs 357 riil TEIS INOH3 0819 31 310N 335 NS 33S 31vNU3llv NOUJ3NNO 159 S 38 NJAO 1v 3unSS3dd Wv3lS VULX3 8 NV 3HV SNOILDINNOD WV31S SNOIL23NNOO AV31S TvNu31NI HILIM Q3GIAOUd NOILDIS N3AO H2V3 NOIL23NNOO WV3IS S W31SAS 1N3 OL A1123UIQ 3dld 3013 123NNO2 LON 00 3Q1lji 3013 3H1 BV31 OL NOLL23NNOD 3H3H 38 NV 31VNU3ITV NOILDINNOD LINONOD WO1108 NI SANOIN VIO 8 HINDUS dWYT NOLLOSNNO DONO 2g WOLLOB 3S V8 NI SINGAJONY Vl Sci SGI xidans uamod NOIL2
16. 2 sections 1 base 27 legs 3 sections 1 base 8 legs 1 CN50 1 CN6O 2 decks 1 base 19 legs 1 CN60 2 CN50 decks 1 base 6 legs 1 CN50 2 CN60 3 decks 1 base Oven 1 CN74 1 deck 1 base 27 legs 2 CN74 2 decks 1 base 27 legs 3 CN74 3 decks 1 base 8 legs CN78 Basic Sect CN79 1 Sect CN80 2 Sect CNB81 3 Sect TABLE 1 IDENTIFICATION amp DESCRIPTION Oven 1 CN78 1 deck 1 base 27 legs 2 CN78 2 decks 1 base 27 legs 3 CN78 3 decks 1 base 8 legs GENERAL Table 1 shows the make up type and characteristics of the 27 models which comprise line of installation ovens Consult floor plans Figs 1 6 for area positioning and related information See Tables 2 and 3 for composite elec trical data Each basic oven section is a complete unit in itself and oper ates entirely independent of other sections The sections ex cept CN40 series nest on an insulated base section with one section on top of another to assemble into complete multiple compartment ovens that are one two or three sections high Model numbers of individual sections appear on the nameplate located on the outside of the switch pane or above switch panel on oven front When devices have to be stacked in the field electrical inter connections have to be made in the field Device s must be grounded in accordance with requirements of the National Elect
17. 22 00 IN BELISMA 431 804M 556 60MM 72 00 IN 22 001 1828 80MM 558 80MM 22 00 WN 558 8OMM FIG 1 FLOOR PLAN CN40 SERIES we 30234 uv332 OL WOVG WONH43 NOILO 3N NOD 2313 HO4 03771480 38 Nv2 330H wey 4 3S80dund 1v z WALSAS LN3A OL An123MIQ 3dld N14 193NN09 LON INOUJ JAVA 61 X rS x ASE 1504904 ETX AIS KX KEE NOH21S 0 NOISNIWIG 3svg MIA 1NOHJ 3710NYH ONION TONI anw 61 x dvo Hoe 3604und WW ez x Zoe Rag NO1236 N3AO JO NOISN3WIO 39v 1891dA 848 9 M3IA dOL 9FNO g _ el N3AO Qj NAO 3sodund 10v NOILISOd N3dO NOILOJ NNOD 1 ina NOD NI NJAO WO1 1O8 NI B10H viQ 2 HO 8 1 1 2 o n 2 lt a u N g u F MIIA LNOWS EZNO 9 SNO N3IA LNOYS ZNO 8 LSND 2 310N 335 310NYH ONIOT ON 3IVNH3ITV NOIIJ3NNOO LINGNOD 6 X 9 2 tS x e 82 NOI123S NJAO HOv3 JO SNOISN3NIG 2 310N 335 31vNH311v 4 NOI DO3NNO LINONO SNOILI3NNOD Wv31S M3I 3015 Wv31S 3did T Nt Wv31S 3ATVA ONIDNGIY 3H1 30 123333 ONILVIH W3dNS 3H1 135330 OL N3AO 3Hl 3ATVA ONIDNGIY FHL N33M138 0351 W3SN30NO2 V O Jdid 3dv8 30 1300 158931 Iv UHI G3QIA Odd 38 GINOHS 3A1vA ONING 3 V BSN SI ISd G 3 08v M3IA d
18. 3NNOD IMNO I 9 310N NOI 123NNO2 Wals NO 123S NGAD Dy 4 310N 335 31vN33117 E Jtr Mi di Mil sci pL 011 3NNO LAGNO 1 310N 335 NOII33NNO5 2 310N 335 NOIL23NN55 tn v ILN 35 271 N 9 310N 335 JATI Yda 8ND MGA JOL NOI1ISOd N345 NI N3A0 S 31ON 335 dAI NONLIINNOD W395 SVE NOLL J3NNO WS 4 3 NINO AVE FIG 6 FLOOR PLANS CN79 80 81 RUE NN 11 5 Thermostat 6 Lower Heat Switch 7 Upper Heat Switch 8 Signal Light 9 10 Door Shaft Upper Heating Unit 11 Butterfly Damper 12 Damper Control Rod 13 Lower Heating Unit 14 Access Door 15 Knockout For Wires for Stacked Ovens a 16 Locating Stop Holes 4 for Stacked Devices 17 Oven Deck 18 Oven Door Handle 19 Fuses 208 amp 230 only 20 Knockout for Wires 1 Door Lever QU s for Stacked Broilers 2 Door Pulley 21 Field Terminal Block 3 FuseBlock 22 Rack 208 amp 240V only 23 Cover 4 Door Spring 24 Screw FIG 7 MODEL CN40 OVEN ASSEMBLY SHOWING CONTROLS AND LOCATION OF COMPONENTS Leg Timer Circuit Breaker when used Lower Heat Switch Upper Heat Switch Butterfly Damper Flue Flange Light Switch Signal Light Damper Contro Rod Thermostat
19. 66 4062 1 amp 2 9 76 installation ovens 2 MODELS Basic CN40 CN50 CN60 CN70 CN74 CN78 and Their Combinations HOBART FOOD EQUIPMENT Installation amp Owners Manual CN81 CN 63 TABLE OF CONTENTS LIST OF ILLUSTRATIONS Page Page INSTALLATION FLOOR PLANS Figs 1 9 General 3 Figure 1 CN41 CN42 CN43 6 Assembly connections amp check 3 2 44 45 46 7 Steam Connections 6 3 CN51 CN52 CN53 CN71 CN72 amp 73 8 OWNER S INFORMATION 4 CN61 CN62 CN63 PI 9 Howta Use 2 5 CN75 CN76 CN77 10 PHENO User COSTS Sys 6 CN79 CN80 CN81 11 Design Highlights Accessories 24 7 CN40 Oven 55 12 Care amp Cleaning 25 8 2 Pan Oven 5 12 Saving Money Energy 26 WIRING DIAGRAMS Figs 10 18 Usi E 9 CN40 Series 208 230 13 SING 27 10 CN40 Series 460 14 Servicing v s ERE er EG 27 11 CN60 Series 208 240V 15 Warranty 28 12 CN50 amp CN60 Series 480V 16 13 CN50 amp CN70 Series 208 240V 17 LIST OF TABLES 14 50 70 Series 480 18 1 Model I
20. 8 NIMH L 1 3NI1 AWANS OL NO23S H2YJ 1 34NO2 SN91123S NJAO 30 ATQNISSY u31iv i d3MdOJSNYMI C NJAO NOH23S 3 vHd N3A0 HO1235 33UH1 3SVHd 107919 LHI TAIT 110280 1H911 6 N3 0 Ymo 3SvHMd 133880 1531098 12 ism 1745 1 __ ROS 334835 ONIONI ICT jsvHd t HOS IdM UNO 3SvHd uo4 u3dmff 35n 33018 YNINU31 3SYHd Wid w LM 9NI9YO w101 JU 3N uid SINY vNIWON NNO SNOIL 23 N3 9 30 ON 8 5 AYO Olgitl 037 G S m v9 21 17 CI SOv31 28999 5 n Y9 0v31 3999 5 W vo 21 6 2 S0v31 3939 6 H v vI 9IY 2I 0iS 5037 61 5 001 291 500312 div N3AQ AGI LLYA OF J 7537109 109 9bIbI19bS 33S ASSY 135 0 31 WOJ 3SYHd Cuol IVA NOI123S 3SV8 54D113975 60 Hz IONAL OVEN WITH DECK LT SECT RENE 35 48 9378975 3 JINN HIMOT BITIVISN AD ANOUS 9 2 1 LINN B3ddn 1N0U4 NOIL23S N3AO orsmvxn CN60 480 VOLT OVENS FIG 12 WIRING DIAGRA sw vez 16 ONISN ONNOWD Ol SN3AO 44 LINN 35v9 NI ONT ONNOHD QL ONNOYD INMJInO3 1 3NNOD 2 HEF A X QO33dvit IO A8 OFHSINGNS Ovi S H vYO2I ONISN NOIJO3S 3SYV3 NI W014 AVMIAYJL 1v INIT A
21. AGII 11v OF vuinu31 8 3SVHd Yv O8v x s a Pa 7 0733218 n Sdmyl N30 18 NI ONT GNNOWD OL QNNOYS AN RdINOD 123NMO C M30119 WWII OL O3HOVAIV HLM 0128 NJAO OL N3AO YJdd M 2016 TIYNINYJL 1H9 1 123WNO gRYA X Q3HSINdnd vi SW vo l SNISn NQ123S 3SY8 NI 3016 MM HS IH AYNIWW31 JY NIT OL 1235 HIV3 LIINNOD SNOILIIS NJAO 30 ATBNISSY U31iY n MfOWID 1H7 3 SN3AO NOLS SN3 O NOILO3S OML SIIVW3H25 SY Wu div WIWYN 331M0 634 ERNST TEATS p MIT IWISNI 8 cs NAD NOLS TONIS BOS NIM LICE ESR sor E 35vHdt wo w3amnr E OPT 35YHd W3qwinp 357 Imar 9011335 3SV8 versa 92 gt E GTZ 38 QL SOY N134134 SNO23NNO 119 N3AO NI 19917 903 WOT WINES d gt e N M z Lu a Q 2 lt tc g a e z w 9 u SINGLE OR THREE PHASE CONNECTIONS 54D113974 109851611898 335 i ASSY 135 Ov31 uO4 H2LIMS ez s n vo 01 08 YIT JAYI N3 0 9 lt 7999 5 Ha vi DOUS HY YD Zig 3SVHd val 802 Del VD PEIROLS SOY C O 73903 HLM SU N3AO LVA NINH BAIS LT SRI ANY 09
22. ELECTRICAL DATA 8 Connect grounding electrode conductor to oven grounding lug attached to oven bottom Note grounding of each stacked section is accomplished thru a pin in the bottom of stacked oven in contact with an attached grounding strap in underside of top of lower oven 9 Check routing of supply lines to assure that they are clear of oven door lever and cable 10 After making electrical connections and checking connec tion security and wire routing close and secure access door of each oven section ELECTRICAL CONNECTIONS CN50 CN60 CN70 CN74 CN78 SERIES 1 The power line conduit s enter the oven assembly at the bottom of the base section as shown in Table 2 Leave suf ficient wire length beyond the conduit to extend to the terminal block in the base section Where a separate 110 120 volt line is needed for deck lights and control circuit CN74 amp 78 leave enough wire beyond the conduit to extend to the terminal block in the lower oven See Table 2 for conduit entrance locations and Table 3 for phase loading NOTE f the ovens are already stacked when power line conduit is to be installed it may be necessary to either jack up the oven assembly or remove the in dividual ovens This may be avoided by using flexible conduit or by following the suggestion in Fig 20 2 Drop the coiled wires from each oven section to the base These wires are accessible through the access door in each oven section See Fig 8
23. N51 CN52 OTHER CX106 Intermediate shelf for CN60 on runners for field installation CX169 Oven rack for CN40 section CX419 Intermediate shelf for CN60 will fit ovens built after 1975 STAINLESS STEEL BACKS CX316 For CN50 CN70 CN74 sections CX317 For CN60 sections CZ49 For CN40 sections STAINLESS STEEL TOPS CZ19 For CN50 CN60 CN70 CZ20 For CN75 CN76 CN77 CZ21 For CN78 STEAM CONNECTIONS CX132 External for 1 section ovens CN51 CN71 CN75 CN79 24 CX133 External for 2 section ovens CN52 CN72 CN76 CN80 CX134 External for 3 section ovens CN53 CN73 CN77 CN81 Internal steam connection for CN5O section is factory assembied must be ordered per section with CN5O series HOW TO USE YOUR AUTOMATIC ELECTRIC OVEN Before Using Oven For First Time 1 Clean the Oven Deck Use a soft brush to remove any dust from oven deck 2 Burn In the Oven To release any fumes that might result from the new oven lining the oven must be burned in before roasting baking food in it Open the damper wide by pulling damper control lever all the way out Turn thermostat to 300F Set both switches pull to turn to MEDIUM Permit oven to idle from 6 to 8 hours Then turn to desired setting TO OPERATE OVEN 1 Preheat Set top and bottom switches to HIGH Turn thermostat to desired temperature see Table 4 or 5 for suggested cooking temperatures The oven signal light goes on when oven is heating Light goes off when
24. OL Y31108 39055399 H9IH 1540 033243 ION OQ ISd S 5 Wv3lS 38155344 G3WIdd Minors diivunivS ISA 3015 im t 3v 35 8 1 310N 335 N dAl v 31ON 335 NO L23NNOO 315 310N 335 3013 310N 335 ani M3IA LNOYS ZZNO 8 SNO SANNA NN 42 1 310N 335 W31SAS 1N3A Ol A1123U Q 3d d 3014 123NNOO LON OQ 3013 3013 3 1 Ol YYJY 3Hl NI NOI123NN02 WOS 3u3H 0371190 38 NV 3 31V 31 TV NOIT93NNOO IIngNO 2 WOLl08 3Sv8 NI S100 ONY VIA l 91 2 1 1 p 310N 1vOld AL ELNO 9 ZANO GNO 2 310 335 4 JLVNY3ILIV M3IA dOL LANO 9 LGNO NOI123NNO2 LINGNO D 9 ei 8 NO 11SOd N3dO NI H900 NJAO 1 310N 335 NO L23NNO2 310N 335 3n13 FIG 3 FLOOR PLANS CN51 52 53 CN71 72 73 1NOMj INO 310N 335 3LVNY311 NOILI3NNOD LINGNOD 335 of i SI Z Z 200 jo MJA LNOYs 310NvH HOOQ SCX x Bac 1235 NJAO H2v3 JO SNUISN3WIQ 2 310N 335 4 31vNN3DIV NOI JINNO LINONO 1 335 BAL s N 335 319 33 Jn Iv2idal IHY CINI 29N2 MJA dOL 9I N3AO 3SOMdfig NOI1ISOd NI HOO
25. ONISA W3A0 HIM21 0 ISYA HM MJRHOJSNYUI 10JNNO O3HSIiNWDI gt Gy 0 3 3uta 29995797 2i ONISD WOLD 3SvG NI 32018 JYvN NU3I 34 1 Adds Qi NOILDJS HI I 034805 4711735 NJAO JO 13HW3SSY uil NOI1235 1 i N3AQ NO11 3S jiu IHAT NMOHS 3SYHd WVYOVIO JILVW3H2S llviSN A8 m bas Bav1 yvaoed AIS INNON I 3svHd WOJ Vijdnnr Ling NE cM H 3 lW3ndifbi ISVHd u03J M3dWMnf ISN UNE 003 ON J dii vei ie i 31 9 AB Odds BW WATIWISN 48 03121NN0 SQv31 WOD3S 35 9 NO 123S N3AQ S E nagi 2019 THING 31 7 T 2 x SNO 23S 7 Y Wig X SOM NIT dida Samo 9ONIOYO 3SvHd L 39 ON x 9 _ 1H911 101 4 FIG 14 WIRING DIAGRAM MODELS CN50 amp CN79 SERIES 480 VOLTS 540114544 JINA 83345 TINDIN v921 3801 O 802 92 p2 91 SOY 11 VIIN 9 01 38 OL 41 Ovii any s 89 Wv921 38 Ol w SOY Sm f r c 3999 S m v3 Ol 38 01 11 0 31 Og 2999 S W v2 21 38 01 6 SOW 3 1099 2946 729995 WO vl 38 QL AFPA SOYI 2 cava 403 61 h v921 33 01 2 50731 2 A M dv NJAO
26. Push the front deck clips down to meet the deck and tighten the holding screws 11 Pull upper heating unit frames as far forward as possible and centralize them from side to side 12 All sections should seat firmly together Ensure that all oven sections are level so your oven operates properly If not level shim one or more leg OVEN FLUE VENTING ALL OVENS DO NOT connect the oven flue pipe directly to a flue or vent system since it will cause uneven heating and greatly reduce oven efficiency If you want an outside flue connection pro vide a hood spaced above the top of the oven flue to prevent a direct pull of air thru the oven ELECTRICAL CONNECTIONS 40 Series IMPORTANT PRECAUTIONS Installation to avoid electrical hazard the oven must be con nected and grounded to the grounding electrode conductor in accordance with the National Electrical Code and your local electrical code Here s how 1 MATCH VOLTAGE before connecting power to oven ensure that line voltage at point of installation matches nameplate voltage rating of oven s Failure to do so can cause damage to oven components and affect performance Such malfunctions are not covered by warranty FUSING the 208V amp 230V ovens and broilers are fused 460V ovens amp 460V broilers are not fused In either case the oven or stacked system must still be connected to a circuit having the proper fuses or circuit breaker sized in accordance with require
27. ally uses its ovens between 8 p m and 10 a m entirely off the power company s peak load it usually enjoys very favorable electric rates If you do not now bake between these hours it will pay you to investigate the rate your power com pany offers for this off peak operation Internal Meat Temp F Minutes Per Lb 140 170 Here are three things you can do to reduce demand 1 2 3 While preheating oven use a minimum of electricity for other purposes Operate the smallest oven possible over the longest period of time to reduce the amount of energy required for pre heating With large ovens idle only a few hours a day it is advisable to keep the temperature up constantly Preheat on MEDIUM or LOW if time is available TO REDUCE CURRENT CONSUMPTION Avoid excessive door opening Avoid direct air current on oven Keep oven door opening free of charred food particles to permit door to close completely SOME IMPORTANT DON TS REGARDING YOUR OVEN DON T Pour water on decks Connect oven vent to exhaust ducts e Open damper more than necessary to carry off steam as this may cause uneven baking front to back Use oven thermometers to measure oven heat At best they are an inaccurate gage since they measure only the air temperature which is changed immediately on opening the door If the performance of oven indicates it is
28. as a moisture film on the cold surface of the dough when placed into the oven The steam atmosphere is generally maintained for 5 or 10 minutes after the oven is loaded Then turn off steam for the rest of the bake cycle After the dough has set steam has very little effect Steam is injected into the oven and distributed uniformly in the baking chamber through interior steam piping Steam pres sure of 5 to 7 pounds per square inch never exceeding 10 pounds and the use of saturated or slightly primed but never super heated steam gives best results If high pressure steam is used the desired effect of the steam on the product is lessened or eliminated entirely due to the steam superheating at the sudden reduction of pressure when injected into the oven The effect is no more than that obtained by blowing in a hot dry gas and the desired moist atmosphere is not produced If you have a high pressure boiler above 15 pounds per square inch at the boiler use a reducing valve and approximately 100 feet of bare pipe or a condenser between the reducing valve and the oven This will offset the super heating effect of the reducing valve and restore the steam to a proper condition of wetness The oven steam lines should be large enough to insure supply ing the oven with the proper amount of steam All piping must be installed and properly trapped to prevent any chance of condensation water entering the oven Also the boiler should be
29. block in bottom oven Stacked ovens are connected to terminal block in bottom oven by interconnecting leads supplied with each oven In staller attaches and routes these interconnections between oven terminal blocks per appropriate voltage and phase wiring diagrams 3 On each oven open small access door on oven lower right front by loosening single screw at door top The door is hinged at bottom In bottom oven of stacked system select proper size knockout in oven bottom or back to match conduit size and remove knockout plug by twisting it 4 Connect the conouit to knockout In second and third stacked ovens remove small 1 1 4 x 3 7 8 cover attached to oven bottom by two screws Dis card cover s and screws Note leave cover in bottom oven in place Removal of this cover exposes elliptical hole in bottom making a passageway for routing oven interconnec tions 6 a two sets of interconnecting leads numbered 14 amp 15 short ones and 16 amp 17 long ones are shipped with each 208 amp 230V CN40 oven section Two sets of inter connecting leads numbered 12 amp 13 short ones and 14 amp 15 long ones are shipped with each 460V oven section One end of each lead is stripped and left straight while the other end is stripped and looped for a 1 4 inch diameter stud connection wire terminal may be crimped on the wire in place of the loop b the short length leads are used for interconnections be tween first
30. dentification Description 2 15 CN74 Series 208 240V 18 2 Conduit 4 16 CN74 Series 480 19 3 Electrical Data 5 17 CN78 Series 208 240V 21 I SIR O 18 CN78 Series 480 22 4 Baking Chart 8 25 19 Steam connections 23 5 Meat Roasting Chart 26 20 Conduit installatiOn 23 F3 P lt me H SU3A0 13791003 JDAYIS 0003 OUTPUT CAPACITY PREHEAT OVERALL BODY DIMS QUANTITY LOAD TIME MODEL TYPE CONSISTS NO 18 x26 PANS LBS MEAT LOAD PIZZAS SQ FT 1 amp 2 PAN ALL PURPOSE DECK OVENS 36 MINUTES TO 450F 35 CNBO 54 3 8 series 40 CN70 series CN40 Basic Sect CN41 1 Afl Purp CN42 2 All Purp CN43 3 AH Purp CN60 Basic Sect CN61 1 All Purp CN62 2 AII Purp CN63 3 AII Purp CN50 Basic Sect CN70 CN51 1 Sect CN71 CN52 2 Sect CN72 CN53 3 Sect CN73 CN44 1 Bake 1 AII Purp CN45 2 Bake 1 Atl Purp CN46 1 Bake 2 Purp CN74 Basic Sect CN75 1 Sect CN76 2 Sect CN77 3 Sect OF Oven w deck 1 CN40 19 legs 2 CN40 11 legs 3 CN40 6 legs Oven 1 CN60 1 deck 1 base 27 legs 2 CNOO 2 decks 1 base 19 legs 3 CN6O decks 1 base Oven 1 sect 1 base 27 legs
31. desired temperature has b en reached Keep oven door closed when preheating While waiting for oven to reach desired temperature load the food into ap propriate pans Some foods require different amounts of top and bottom heat Example white layer cake Merely set different heats on separate top and bottom heat switches When preheating however set both switches to HIGH for maximum speed After preheating set both top and bottom switches to desired temperatures LOW MEDIUM or HIGH 2 Load Oven Oven is ready for loading when oven signal light goes off for the first time To minimize heat loss from the open door load oven as quickly as possible Place pans in rows from rear to front along the right wall then the next row etc until oven is full Do not load closer than three inches from door Pans should not touch each other or the walls of the oven Close oven door 3 Allow Food to Bake or Roast Follow the time tables given in Tables 4 and 5 or recipe in any standard cook book Because your Oven is automatically controlled uniform exact heat dis tribution eliminates guesswork and eliminates need to peek while foods cook If steam escapes around the oven door during baking roast ing process open damper just enough to stop steam at the door If no steam escapes keep damper closed to conserve heat To open damper pull damper rod out To close push rod all the way in 4 Turn Oven OFF and Unload Upon co
32. es Wash dry and polish with a soft cloth Avoid using gritty soaps or harsh cleaners TABLE 4 BAKING CHART NOTE Data in this chart is of a general nature Your own experience will of course dictate variations that best fit your particular requirements Time Fresh Product Minutes Two Crust Pies Open Face Pie Pumpkin Pie Custard Pie Meringue Pie 425 450 EN Browned Pie Shell 400 425 Medium 20 30 Parker House Rolls 400 425 Medium Medium 20 30 Whole Wheat Rolls 375 400 Medium Medium 20 30 Danish Rolls 375 400 Medium Medium 20 30 Sweet Rolls 375 400 Medium Medium 20 30 Klotches 375 400 Medium Medium 10 15 Tea Biscuits 375 400 Medium Medium 20 25 Corn Bread 400 425 Medium Medium 25 35 Cup Cakes 400 425 Medium Medium 15 20 Layer Cake 350 375 Medium Medium 20 30 Loaf Cake 350 375 Medium Medium Angel Cake 300 325 Medium Medium Puddings 325 375 Medium Medium Baked Apples 300 325 Low Low Pizza 400 450 High High Used when crust and filling are baked as a unit When crust is pre baked and filling only is to be baked most bakers use a temperature of approximately 300 350F 25 26 TABLE 5 MEAT ROASTING CHART Switch Settings for best results balanced heat is most desirable Therefore when roasting we suggest that you set both oven switches on HIGH with the thermostat at the indicated setting Measured top heat provid
33. es excellent coloring and a caramel ized finish to meats but where a seared or browned appearance is not desired as in roasting fowt the upper oven switch should be set to MEDIUM LOW or OFF 3 Rib 6 8 pounds Standing Rib 7 Rib 20 25 pounds DM Rolled Rib ae 7 Rib 16 18 pounds Rump or Chuck 18 23 pounds Round Rump EES m LAMB s Leg 7 8 pounds Leg 15 20 pounds Shoulder Breast Stuffed PORK a Ham Leg 15 pound Ham Leg 25 pou Ham Boned 15 Loin S Boston Butt tt Cured Ham 20 O pounds Leg 16 NH Leg 25 pounds DC Shoulder 15 pounds 7 Shoutder Rolled 10 pounds Loin 10 om NEUE POU LTRY 250 300 Chicken Dressed 4 6 potinds Duck Dressed 5 8 pounds 300 Turkey Dressed 14 19 pounds 300 Turkey Dressed 27 33 pounds 300 Temperature Meat Fully Thawed Setting F BEEF Standing Rib NOTE The data on Table 5 is of a general nature Many factors such as size of bone thickness of meat temperature at time of roasting individual taste as to degree of doneness seasoning etc must be taken in to consideration Pan selection and cooking times will also be governed by total weight and number of pieces in load Preheating for roasting is not necessary HOW TO SAVE WITH YOUR AUTOMATIC ELECTRIC OVEN Here are a few ways to save energy and money As a bakery usu
34. is point 2 Place the oven on a substantial level floor 3 Set the base section s flue riser in position in the rectangular opening near the right rear corner of the base section Place flue flange casting on the base riser with the larger opening on top 4 Screw locating studs in bottom side flanges of the oven sec tion 5 Place oven section on top of base section Locating studs register with the holes in the top flanges of the base section and hold the sections in alignment When lowering the oven section onto the base section make sure that the lower end of the oven vertical flue engages properly in the lower flue flange casting 6 For each additional oven section added place a flue flange casting with the larger opening up on the flue of the last oven installed and repeat steps 4 and 5 Stack up to three high No flue flange needed on top of top oven 7 Place the cover over the opening on the top oven and fasten with sheet metal screws provided Place the top on the top oven with the flange to the right and fasten with sheet metal screws See Fig 8 The cover and top are shipped with the base section 8 Assemble handles to the oven doors 9 After assembling all sections remove temporary blocking inside each oven compartment blocking holds heating units in place during shipment 10 Slide deck into position in each oven section Make sure the deck is located all the way to the rear under the rear deck clips
35. lddNS Ql NO J23S H2v3 123NN02 SNOIL23S N3AQ 30 A8 3SSY Yv I SN3AO NOI23S 33uHl SN3AO NOIL 53109 1N3839HvUUv SNTHOLIAS 39YHd a WH 6uH SIH CU gaa 321430 YO G02 u3T1 VLSNI ANIC AOv2 902 HIMO 3S Hd HO YIEHOP 3SvHd 1 9g3dmnp ISN Wale k IJARN UIEN C lt yozi gt 9011735 3Sv9 WOLIIS NIAG 3Svitd Wid AX vem c9 od ONIQOvOD 3SYHd VIOL 30 ON e 38vHd _ 3di 3M d3d TYNIWON 0v2 9O2 LINN u3ddn SINGLE OR THREE PHASE CONNECTIONS 54D114543 D35208 v921 38 O1 14 81 SO O33230N v9 01 38 OL 41 Qv3Y 24 2995 W v99 38 OL 91 Qv33 4 i IDOIN PISH WISI 39 OL 11 9 0 31 gt vb S W 9921 38 OL 91 9 vl 6 50 31 109 gt 1 1 4 5 1335 COZER VOYI 38 OL CL tZ v 2 SQY31 ASSY 13S Ov3 YOJ eg Sti 20 38 OL 1 0v32 7 9 S v12 AOGZ S3504 3SVHd 01 2 V AOv2 802 PAYG HLIM SdHY NJAO Z dWvOG d34v3U8 LINDY 1 M 9310N YANS FIG 13 WIRING DIAGRAM MODEL CN50 amp CN70 208 240 VOLTS 50 60 Hz SEROIT KIAD 3S vB 5n1 ANNOYI 01 ONfIQuUO 1N3Hd I03 123889 t 2018 WNL Ql Q3H Y11Y JU HIIM 40138 WN3AO AL NJAO u3ddh NI 2018 YNImUJ3I 115281 18292 103NN2 WimuOisNY VI O1 O3HOYl1v 3
36. ments of the National Electric Code and your local electrical code DISCONNECT installer must provide a means for discon necting oven or stacked system from electric power supply Disconnect must be in accordance with National Electric Code 422 23 and your local electrical code GROUNDING oven must be grounded in accordance with requirements of National Electrical Code and your local electrical code A grounding lug is provided adjacent to conduit hole in bottom of terminal compartment SUPPLY CONNECTIONS 1 The terminal compartment is located in oven s lower right front side with a terminal block equipment grounding lug knockouts provided in oven s bottom and back In a stacked system terminal block in bottom oven section serves as field terminal block for complete stacked system Note that total connected load of a stacked oven system is comprised of the sum of the loads of stacked sections See Fig 1 and Table 1 for knockout sizes and locations Use power supply conductors line wires made of copper with at least 75C 167 F temperature rating and sized in accordance with National Electrical Code and your local code for the voltage and load of the oven or of stacked system HOOKING UP A SINGLE CN40 OVEN 1 See Fig 9 208 or 230VAC or Fig 10 460V for correct wiring diagram Note all CN40 ovens are wired single phase at factory and each oven is single phase in its own opera tion
37. mpletion of the day s operation turn both switches and automatic temperature control to OFF Open door and start unloading with first row on right Close oven door and open damper to remove remaining vapors Wash off surface stains around door or on finish immediately Before start ing next day s operation close damper See Step 3 above HOW TO CARE FOR YOUR AUTOMATIC ELECTRIC OVEN 1 How to Clean Your Oven Keep inside of oven and decks wiped clean to avoid spotty heating particularly around door opening and edges Spots of carbon on decks may cause uneven baking If food particles or carbon accumulate so doors cannot be tightly closed heat is wasted and oven will not oper ate properly Poorly closed doors permit constant escape of steam and vapor around the door which condenses and deteriorates finish around the oven front and door lining For best results decks should always be level and clean When cleaning your oven s interior use a stiff wire brush or spatula to loosen spillage and sweep clean NEVER POUR WATER OR USE A SOAKING WET RAG IN THE IN TERIOR OF YOUR OVEN DO NOT CLEAN HEATING UNIT CALROD HEATING UNITS ARE SELF CLEAN ING To remove hardened food spillage sprinkle salt on the hardened particles Turn the thermostat to 500 degrees Close oven door and allow oven to idle until spillage has carbonized charred completely Then scrape surface clean with spatula or blunt knife To keep stainless steel f
38. not up to standard it should be checked with a thermocouple by a qualified service man WHAT KIND OF UTENSILS SHOULD YOU USE Select pans of medium or light weight It is not economical to bring heavy pans to oven temperature For baking operations dull seasoned pans are recommended Dull aluminum or tin baking sheets with shallow sides or no sides give the most evenly browned products Meats should always be roasted in an open shallow pan deep enough to catch all the juices See Table for oven capacities and pan sizes HOW TO ROAST BETTER MORE ECONOMICALLY One of the best ways to increase your profits is by reducing meat shrinkage The most important factor in reducing shrink age during roasting is keeping a low constant oven tempera ture Because your Oven has accurate long life thermostats that give day after day dependable perform ance and because electric heat seals in natural juices and cooks with no drying out you can now reduce meat shrink age b to 15 percent with resulting increase in servings per pound Some operators believe that searing a roast at high tempera tures will hold in the juice On the contrary a roast which is seared shrinks more than one which is not seared at all Nor does searing increase palatability Not only is there great loss of weight in roasts cooked at high temperature but actually fewer servings can be sliced from the roasts In other words as the oven temperature is increased
39. operated under automatic pressure control to insure a uni form steam supply and hence uniform results in the oven The size boiler required to furnish steam to an oven should be at least 0 75 boiler horsepower BHP for 100 pounds of bread baking capacity per hour CAUTION Before admitting steam into the oven be sure that outside steam piping is clear of water to prevent water from being blown into the oven Keep steam valves closed tightly when not using steam in oven Make sure that valves do not leak and that water or steam does not drip into oven when oven is idle as it may damage units and cause rapid corrosion SERVICING Your oven is covered by a one year warranty against defects If at any time this appliance should require service contact your food service Equipment dealer authorized servicer or 27 66 4062 1 amp 2 9 75 Printed in U S A
40. rical Code or applicable local code METHOD OF SHIPMENT The oven sections complete with heating units and integral control panel are shipped separately The base section decks and legs if required are also shipped separately ASSEMBLING OVEN SECTIONS CN40 SERIES 1 Uncrate an oven section and set it on supports slightly higher than the legs Attach a leg at each corner using bolts washers and nuts provided Set the oven and leg assembly on the floor Use this oven section as the bottom oven section 2 Place the oven on a substantial level floor 3 Remove packing from the inside of the oven s Assemble the handle to the door and slide the oven rack into place in the channels in the center of the oven 4 For each additional oven a Remove five knockouts in the top of the oven section already stacked Four of these are locator holes for the locating studs in the bottom of the oven to be stacked on top which are found at the sides 3 inches in from the back and three inches in from the front The fifth knock out for electrical wires is an oval opening located 2 inches back from the front right corner See Fig 7 b Place a flue flange casting with the larger opening up on the vertical flue of the oven section already mounted c Assemble the four locating studs in the holes in the bottom flanges the smaller holes located 3 inches from the front and rear of the oven section to be added Use the studs and nuts
41. ront bright and gleaming at all times just clean regularly with a damp cloth and polish with a soft dry cloth To remove discolorations which may have formed when regular cleaning was neglected use any detergent or plain soap and water For particularly stubborn discolorations a self soaping scouring pad may be used CAUTION A ways rub with the grain in a horizontal direction Washing Wash all exterior surfaces except control panels at least once daily Use a damp cloth only when cleaning control panel Use a cloth with warm water and a mild soap or detergent Where surfaces have been polished use cloth lightly hard rubbing will remove polish Follow with a clear rinse then dry This simple beauty treatment not only keeps your equipment dirt free and sparkling but virtually eliminates the danger of grease accumulation which may form a hard to remove stain if left on too long How to Remove Grease Stains grease has accumulated and attacked the PERMALU CENT finish remove with any silicone base polish follow ing directions on the container NEVER use a scouring pad type cleaner on the PERMALUCENT finish To Touch Up Damaged Surfaces If the surface should be accidentally marred it can be quickly and easily restored to its original beauty with a PERMALUCENT Touch Up Kit available through your food service equipment dealer Full in structions are in each kit Plastic Control Knobs and Switch
42. stacked oven and bottom oven for 2 stacked sections or between middle stacked oven and bottom oven for 3 stacked sections c the long length leads are used for interconnections be tween top oven and bottom oven for 3 stacked sections Discard leads not used d make interconnecting lead connections to proper oven terminal post per appropriate voltage and phase wiring diagram for type of stacking arrangement e Straight stripped end of interconnecting leads are at tached to pressure lugs in stacked oven s Remaining part of interconnecting leads are routed through ellipti cal holes in oven bottom and top of lower oven s and into wiring compartment of bottom oven Before slipping looped wire over stud terminal post in the bottom oven add a narrow flat washer from furnished envelope If another interconnecting lead is to be connected to this same post add it before adding second narrow flat washer and nut washer assembly from same envelope Make remaining interconnections to terminal block studs in bottom oven in same way Tighten all nuts added and be careful not to move pressure terminal lugs f Route interconnecting leads to have them tension free at terminal post connections and away from the oven door lever and cable in each oven section 7 Pull line wires through conduit and connect to terminal block terminal lugs in bottom oven per appropriate voltage and phase wiring diagram 3 PHASE LOADING NOMINAL AMPS PER LINE WIRE
43. the number of slices or servings per pound of meat decrease AT WHAT TEMPERATURE SHOULD YOU ROAST A temperature as low as 150 degrees has proved sufficient in theory but it makes roasting an all day job Research studies have shown that temperatures in the range of 300F are most practical WHY USE A MEAT THERMOMETER Because it will help inexperienced kitchen personnel to more accurately roast meat to the desired doneness DIRECTIONS FOR ROASTING Select tender meat cuts Wipe with a clean damp cloth and if desired season with salt and pepper Place fat up on rack deck in open shallow roasting pan Insert meat thermometer so that the center of the bulb reaches the center of the largest muscle but does not rest in fat or on bone Do not cover or add water Roast at a constant low oven temperature 300 350F depending on the kind of meat and size of roast See Table 5 Roast only to the desired degree of doneness THE USE OF STEAM IN BAKING Some foods such as hearth breads hard rolls split top and some plain top pan breads require steam Steam produces the proper oven spring of the dough and gives a thin crisp glossy golden brown crust With split top bread the proper amount of steam APPLIED AT THE RIGHT TIME has much to do with obtaining a satisfactory break and shred Low pressure steam 5 7 pounds per square inch enters the baking chamber before the foods are added This permits steam to condense
44. under the oven deck Use the top element to custom brown food STURDY PULL TO TURN SWITCHES Provide low medium or high directional heat control Afford balanced or unbalanced heat to meet particular production require ment SEALED HEAT OVEN CHAMBER Oven has quality insulation on six sides LARGE CLEANABLE PICTURE WINDOW Except CN40 and CN78 series High temperature heat resistant glass Both sides of single pane clean easily promotes sanitation and food viewing CORPLATE OR AIR CUSHION DECK depending on model choice Removes for cleaning ALUMINIZED STEEL OVEN LINERS Permit better heat reflectivity and easier cleaning e INTERIOR LIGHT IIluminates oven for convenient food inspection Except CN40 series e VERSATILE Each basic oven section adapts easily to GE modular line up ACCESSORIES ELECTRICAL BASES CZ12 For CN51 CN52 CN53 CN61 CN62 CN63 CN71 CN72 CN73 CZ13 For CN75 CN76 CN77 CZ14 For CN79 CN80 CN81 LEGS amp SUPPORTS CX072 Set of four 6 angular legs CN43 CN45 CX073 Set of four 8 angular legs CN53 CN73 CN77 CN81 CX074 Set of four 11 angular legs CN42 CX075 Set of four 19 angular legs CN41 CN44 CN62 CX077 Set of four 27 angular legs CN51 CN52 CN61 CN71 CN72 CN75 CN76 CN79 CN80 CX087 3B Accessory package 19 legs w casters 41 CN61 CN62 CX090 Accessory package 27 legs w casters C
Download Pdf Manuals
Related Search