Middleby Marshall Oven User's Manual
Contents
1. Rear View Ansicht Von 238 DIRECT GAS FIRED Gas ra rating 170 000 BTU HR GOkW each oven Total 680 000 BTU HR 200kW Required gas pressure Natural 20 30mbar LPG 50 mbar Recommended supply pipe size Natural 2 1 2 64MM N P T LPG 1 1 2 38MM N P T A Connections 3 4 9m N P T inlet connection 4 total 3 4 9mm full flow gasshut off valves 4 total A Electrical Rating lPH 208 240V 2 Pole 3 Wires with ground 8 amps 50H2 Separate electrical service required for each oven RECOMMENDED MINIMUM CLEARANCES rear of oven to wall 11 13 16 300mm Ay Oven Vent Gas Oven Only CONVEYOR SPEED expressed in bake time 25 min 0 sec maximum 2 min sec minimum 7 6045mm N s 48 1346mm 1219mm 50 32 813mm Ven Top View Ansicht von oben I 273 z n 6947mm 3 r 109 mj 20 109 K E 451mm 2769mm 508mm 2769mm asim 1067mm U any R q 6 Front View Ansicht von vorne NOILVTIVLSNI NOILOAS Use for lt conveyor SECTION 2 INSTALLATION Thread lead into an ee IV THERMOCOUPLE d Ne E compartment AS INSTALLATION M S SE a i E D E gt KP EN OQ i Bo UO Qs n 1 Install the thermocouple UE N Sa P 2 rt EN EN sensing bulb into the correct M De H i4 Ki 7 hole in rear of bake chamber as N Ec P v Bm shown in Fig2. 4 3 4 27 1 4 1384mm 27 4 gt 692mm lt 692mm 451mm 2769mm e 45 1 2 n j 1156mm 31 1 2 C coe coe Ta TT U Doom 419mm ex ide 24 152mm Dam JL 267mm Figure 2 4 Dimensions and Data PS360WB L Tandem B 51mm n 1 mill l EE 5 1346mm dee 40 50 1016mm 1270mm 4 Q T o T T z T ua ib 144 1 2 54 1 2 3670mm 1384mm w S ches I uo 271 4 innt SE 692mm e 45 1 2 1156mm 31 1 2 800mm 16 1 2 11 1 2 419mm l 292mm 6 A 152mm P 104 2 D 267mm 2 5 SECTION 2 INSTALLATION Figure 2 5 Dimensions and Data PS360 Double Tandem 51mm LL Um 45 40 1143mm 1016mm 32 42 813m 1067mm 4 I Jr T Ir 144 1 2 e 54 12 17 347 109 3670mm Team 27
3. Gas Hose 2 3 4 2 22450 0028 Adjustable Legs 8 8 12 16 3 30773 Flue Vent 14 Lg 2 4 30759 Flue Vent 29 1 2 Lg 2 3 4 5 30758 Flue Vent 50 Lg 2 6 21256 0008 Screw 10 32 x 3 8 AIR AIR AIR AIR 8 42400 0089 Master Link Kit PS360 2 4 3 4 8 42400 0598 Master Link Kit PS360WB 9 35122 0049 Attachment Strip 4 10 35000 1103 Stop End Conv PS360 4 2 e 10 35000 1899 Stop End Conv PS360WB 11 21292 0001 Scr 2PT 10 16 x 3 4 Hx Wsh AIR AIR AIR AIR 12 33984 Thermocouple 2 4 3 4 13 27276 0001 Cable Clamp 2 4 3 4 14 1002040 Warranty Parts amp Serv Dist List 1 1 1 1 15 38615 Owners Manual English 1 1 1 1 16 27126 0238 11 Piece Hex Key Set 1 1 1 1 17 31389 Silicone Tubing 36 914mm L x 5 16 8mm ID x 7 16 11mm OD 2 4 3 4 35000 1454 Machinery Compartment Trim Strip 1 2 2 2 35000 1456 Front Gasket Spacer 2 4 4 4 35000 1457 Rear Gasket Spacer 2 4 4 4 37200 0013 Baking Chamber Gasket and Frame 1 2 2 2 37000 0696 Transition Floor Panel 1 48009 0024 Transition Top Panel 1 48009 0025 Transition Side Wall 2 35000 1748 Transition Rear Support 1 35000 1749 Transition Front Support 2 37000 0697 Transition Top Support Channel 2 SECTION 2 INSTALLATION Figure 2 3 Dimensions and Data PS360L Tandem 51mm i j oul 1 mit 1 45 40 1016mm 32 1143mm 54 1 2 144 1 2 3670mm lt _ 17 3 4 109 3
4. Junction Connection Box Lower Oven Junction Connection Box Upper Oven 3 4 19mm pipe for gas oven connection o I B 3 4 19mm pipe for gas oven connection 2 23 SECTION 2 INSTALLATION n Middleby Marshall 1400 TOASTMASTER DRIVE ELGIN ILLINOIS 60120 USA TYPE BAUART TIPO B 23 ID NR IE TPT 2H3B P 2LSB P 2E 3 G20 20 28 G20 20 G20 20 G20 G25 50 S G30 29 37 G30 31 50 G30 29 87 G30 31 50 Qn 2 Jkw U 220 230 V 50 Hz Pn W Figure 2 34 Typical Oven Data Plate Models PS360 PS360WB 2 24 Vil GAS SUPPLY FOR GAS HEATED OVENS Pipe sizing Always install a shut off valve in the gas supply line to the oven This valve should be the same size as the supply line Please remember that the longer the pipe runs the more the pressure drops One 90 elbow equals a 1 2 m length of pipe Each oven section requires a nominal gas input as follows PS360U L per oven 40 kw PS360WB U L per oven 50 kW Follow the recommended pipe sizing and meter sizing as indicated in the Rough in Drawing Figure 2 31 Page 2 22 The flexible hose furnished with the oven must be positioned as shown in Figure 2 35 NOTE The recommended pipe sizes are larger than usually required to eliminate any operation problems It is much less expensive to make the initial installation large enough to do the job rather than redoing the job later For lighti
5. adjust the tension of the drive chain The deflection of the chain should not exceed 1 4 6mm Then tighten the motor in place oven installation skip ahead to the next section Fora QUAD TANDEM oven installation continue on to Step 6 Latches Figure 2 29 Transition Assembly Figure 2 30 Conveyor Motor and Drive Chain Assembly 11 Assemble the end plugs and motor housing onto the oven TANDEM AND DOUBLE TANDEM OVENS ONLY Assemble the conveyor crumb trays and conveyor extension covers onto the oven 2 21 SECTION 2 INSTALLATION SECTION 2 INSTALLATION GAS OVEN ROUGH IN UTILITY ROUGH IN DIMENSIONS AND POSITIONING CAUTION IT IS REQUIRED THAT THE OVEN BE PLACED UNDER A VENTILATION HOOD FOR ADEQUATE AIR SUPPLY AND VENTILATION GAS SUPPLY amp ELECTRICAL SUPPLY PROVIDED BY CUSTOMER DO NOT USE CONDUIT FOR GROUND CIRCUIT BREAKER 1 circuit breaker fused disconnect switch with lockout tagout is required for each oven cavity Wire each oven cavity separately ELECTRICAL SPECIFICATIONS 220 230V 1 Ph 8 Amp draw 50 Hz 2 pole 3 wire system per oven cavity 2 hot 1 grd GAS RATING Models PS360U L 135 000 BTU HR 34 020kcal HR 40kW HR Models PS360WB U L 42 840kcal HR 50kW HR MINIMUM GAS METER RATING 600 Ft Hour 17m h for 1 or 2 oven cavities 1200 Ft 2 Hour 34m h for 3 or 4 oven cavities Minimum rating does not take other gas appliances into consideration Ga
6. the hood manufacturer or ventilation engineer for these specifications To avoid a negative pressure condition in the kitchen area return air must be brought back to replenish the air that was exhausted A negative pressure in the kitchen can cause heat related problems to the oven components as if there were no ventilation at all The best method of supplying return air is through the heating ventilation and air conditioning HVAC system Through the HVAC system the air can be temperature controlled for summer and winter Return air can also be brought in directly from outside the building but detrimental affects can result from extreme seasonal hot and cold temperatures from the outdoors NOTE Return air from the mechanically driven system must not blow at opening of bake chamber Poor oven baking performance will result OTHER VENTILATION CONCERNS e Special locations conditions or problems may require the services of a ventilation engineer or specialist nadequate ventilation can inhibit oven performance e t is recommended that the ventilation system and duct work be checked at prevailing intervals as specified by the hood manufacturer and or HVAC engineer or specialist 2 3 SECTION 2 INSTALLATION SECTION 2 INSTALLATION Figure 2 2 INSTALLATION KIT PS360L WB L Tandem PS360 WB Double Tandem PS360U WB U Tri Tandem Item Part Description PS360U WB U Quad Tandem 1 22361 0001 Flexible
7. to wall 11 13 16 300mm h 32 813mm AA Oven Vent Gas Oven Only MCI CONVEYOR SPEED expressed in bake time Mn 25 min 0 sec maximum Top View 2 min 0 sec minimum 1 5055mm 34 17 3 4 163 5 17 3 4 864mm 4153mm Amm ee o Tj Eront View Side View NOILVTIVLSNI NOILOAS 8c Figure 2 8 Dimensions and Data PS360WB U Tri Tandem DIRECT GAS FIRED Gas rating 170 000 BTU HR SOkW each oven Total 510 000 BTU HR 150kW L i Required gas pressure Natural 20 30 mbar 27 4 544 271 soon 1384mm 2 692mm4 LP G 50mbar I 54 1 2 ioz 260mm 1384mm 527 temm Recommended supply pipe size A 32 Natural 2 1 2 64MM N P T 74 42 ag EE gege a DES AN LPG 1 1 2 38MM N P T dx h AN Connections 3 4 omwN P T inlet connection 3 A 4 total 3 4 omm full flow gasshut 584 1480mm off valves 4 total A Electrical Rating 1PH 208240V 2Pole 3 Wires with ground 8 amps 50HZ Separate electrical service required for each oven A RECOMMENDED MINIMUM CLEARANCES rear of mE oven to wall 11 13 16 300mm AA Oven Vent Gas Oven Only 40 1016mm 1218mm 53 1348mm i ia CONVEYOR SPEED expressed in bake time e Se 25 min 0 sec maximum Top View 2 min 0 sec minimum 199 5055mm 42 17 3 4 163 5 17 3 4 1067mm 4153mm um uro c TIME aco im Eront View Side View NOILO3S NOILVTIVLSNI Figure 2 9 Dimensions and Data PS3
8. 4 7 451mm 2769mm 3 4 K 692mm F 81 1 2 2070mm A 52 1321mm 31 1 2 800mm ple 53 5 27 32 148mm 10 1 8 258mm ec Figure 2 6 Dimensions and Data PS360WB Double Tandem ze 51mm l l i Gu 1 CAD L 53 48 1346mm 1016mm 40 1016mm 50 1270mm 4 U T o mm 54 1 2 P oim 27 114 TR ES 6 1 4 17 3 4 109 d EL x a5 158mm 2769 17 3 4 mm gt 451mm lt mm gt Mar Di p Di ef SE 1 2 270mm DI ual O L O J amp d 1 52 Lo o i 1321mm e E 1 EE S 31 1 2 en K i 800mm A zi SI Rll te EE PERLE Y y yu JJ eamm 5 27 32 A 148mm gt Te 10 1 8 258mm gt 2 6 L z Figure 2 7 Dimensions and Data PS360U Tri Tandem Gas rating 135 000 BTU HR 40kW each oven Total 405 000 BTU HR 120kW Required gas pressure Natural 20 30 mbar M l ri 54 27i seam EE omg A e LP G 50 mbar 5 4 1 2 10g 260mm 1384mm 74 1 2 54 1 2 1832mm 1384mm 527 temm Recommended supply pipe Size A i A 32 Natural 2 1 2 64MM N P T AN LPG 1 1 2 38MM N P T f pa AN Connections 3 4 omwN P T inlet connection va A 4 total FE 3 4 9mm fu11 flowgasshut 584 1480mm off valves 4 total A Electrical Rating 1PH 208240V 2Pole 3 Wires 53 with ground 8 amps 50HZ GH Separate electrical service 7 required for each oven A RECOMMENDED MINIMUM CLEARANCES rear of oven
9. 60U Quad Tandem D pe 27i sat D DIRECT GAS FIRED 27 A 275 DIRECT GAS TIRED E Zeie anm E 1384mm o mp Lei A r Gas rating 135 000 BTU HR 40kW each oven 45 IO 260mm mou 43 D Za D g SE Soave Total E E 74 54 n equired gas pressure Natural 20 30 mbar 1892mm 9 TYR 2 27 AS 148mm A LPG 50 mbar Recommended supply pipe size A Natural 2 1 2 64MM N P T U LPG 1 1 2 38MM N P T 58 1480mm A Connections 3 4 09mmN P T inlet connection 4 total 3 4 dom full flow gasshut off valves 4 total A Electrical Rating 1PH 208 240V 2 Pole 3 Wires with ground 8 amps 50HZ Separate electrical service required for each oven 1346mm 53 Rear View 238 ZX RECOMMENDED MINIMUM CLEARANCES rear of oven to wall 11 13 16 300mm 32 813mm A Oven Vent Gas Oven Only Eesen Ee 7 CONVEYOR SPEED expressed in bake time 25 min 0 sec maximum 2 min D sec minimum D 6947mm a f 3 173 r 109 4 20 ios 172 asin 2769mm 508mm 2769mm MA Front View Side View NOILVTIVLSNI NOILOAS Figure 2 10 Dimensions and Data PS360WB U Quad Tandem n i vm l l m 274 54 745 Sab 545 2737 a PES Lund M eons TYR E EAS n 745 45 IQ eomm 1892mm L 1384mm 145 1p 942 2 L wes 2 A 5 E A 148mm A a 581 1480mm 1346mm 53
10. BEL Predisposto per gas metano Adjusted for natural gas Essaye au gaz naturel E L Eingestellt auf Erdgas E Eingestellt auf Erdgas LL Preparado para gas natural Aangelegd op aardgas Essaye au gaz naturel aangelo op aardgas GAS TYPE AND PRESSURE LABEL Predisposto per GPL 28 30 37 mbar Adjusted for Eb P G arre tette tet 28 30 37 mbar Essaye au gaz naturel liquide 28 30 37 mbar Eingestellt auf Fl ssiggas Preparado para gas liquido 28 30 37 mbar Aangelegd op vloeibaar gas Aangelegd op vloeibaar gas essaye au gaz liquide 28 30 37 mbar Insert Converter In this Position for Pressure Insert Converter In this Position for use with LP Regulation Gas amm au Burner Blower am Air Adjustment PlateBurner r High Flame Solenoid Valve Outlet Pressure Tap Main Orifice Governor Adjustment Gas Converter 1 2 Nuts Ri Inlet Pressure Tap 1 2 Compression Nut Low Flame Bypass Orifice 3 4 Union Combination Gas Control he Valve Low Flame Pilot Line Bypass Line Figure 2 36 Burner Piping Assembly 2 27 SECTION 2 INSTALLATION IX CHANGING ORIFICES TO CHANGE MAIN ORIFICE Refer to Figure 2 36 1 Turn off main gas supply valve 2 Open 3 4 union in gas supply line 3 Remove 1 2 nuts securing gas train to the burner housing 4 Using a 11 16 wrench remove orifice from the mounting flange 5 Install new orifice in reverse
11. D 1 Turn off main gas supply valve 2 Remove pressure measuring stud screw located at the out flow closest to gas burner ofthe gas valve and attach a manometer 3 Remove cover screw fromthe gas valve pressure governor adjustment valve 4 Open main gas supply valve and start oven according to supplied instructions with the temperature control at maximum setting 5 Onceovenis in operation adjust pressure valve governor to the orifice pressure value as shown for the specific gas in the Gas Specifications Table 6 Turn oven off close main gas supply valve remove U tube manometer andtighten cover screw into pressure measuring stud 2 29 SECTION 2 INSTALLATION SECTION 2 INSTALLATION SPECIAL NOTICES The ovens should be operated only in an area that has good air circulation The oven must be installed under an electrically powered ventilating hood Installation of replacement parts requiring access to the interior of the oven is permitted only by authorized service personnel The operator should be properly trained to the functioning of the oven This instructions manual should be supplied to the operator Constructional changes to the area where the oven is installed shall not affect the air supply to the oven The installation start up and changes required when changing from one gas type to another can be performed only by a certified professional These ovens are intended only for commercia
12. SECTION 2 INSTALLATION SECTION 2 INSTALLATION UNLOADING UNPACKING Your Middleby Marshall Ovens are shipped partially assembled Each oven section will arrive in its own crate of the following size and weight PS360U PS360L PS360WB U PS360WB L Length 72 183cm 66 167cm Width 48 122cm 57 144cm Height 60 152cm 50 127cm Weight 1675 Ibs 760kg 1750 Ibs 780kg If you ordered stands for your ovens they are shipped in separate crates When your common carrier or truck line notifies you of delivery you must have a forklift at the facility to unload the crate s If you have a door that is wider than the ovens simply move the ovens into your facility and set up an appointment with your Middleby Marshall Authorized Installer NOTE The width of each oven can be reduced by about 1 25mm by removing the window from the oven Window disassembly instructions are in the Cleaning section of this Owners Manual If the ovens are wider than your door opening the oven will have to be dismantled according to the directions in the Pre Installation Procedures Manual NOTE There must be adequate clearance between the oven and combustible con struction Clearance must also be pro vided for servicing and for operation WARNING Do not obstruct the flow of combustion and ventilation air to and from your oven There must be no obstructions around or underneath the oven WARNING This o
13. Tandem installations skip ahead to the INSTALLING THE CONVEYOR FRAME AND BELT section Page 2 19 For PS360 360WB Tri Tandem installations perform Steps 1 7 again to attach the third oven to the two that have just been assembled Then skip ahead to the INSTALLING THE CONVEYOR FRAME AND BELT section Page 2 19 For PS360 360WB Quad Tandem installations perform Steps 1 7 again to attach the two remaining ovens to each other Then continue on to Step 9 to attach the center transition section 2 16 10 Test fit the transition section of the conveyor frame as shown in Figure 2 21 The alignment pins on the bottom of the frame ensure correct spacing of the center ovens Attach the two angled support brackets between the two center ovens as shown in Figures 2 22a and 2 22b Note that a LOWER OVEN PS360L PS360WB L uses different support brackets for the front and rear while an UPPER OVEN PS360U PS360WB U uses identical brackets on the front and rear SECTION 2 INSTALLATION End Wall of Baking Chamber Figure 2 21 12 gt Transition Pied o akin Frame Placement chamber Conveyor Pin rests against end wall Horizontal surfaces of brackets must be level with each other Figure 2 22a Support Brackets Lower Oven Conveyor frame shown removed for clarity Figure 2 22b Support Brackets Upper Oven SECTION 2 INSTALLATION 10 Remove the transition section of the conveyor
14. derneath the frame and thread it through the oven Then reach through the oven window and pull the free end of the belt through the oven so that it lies atop the conveyor frame Check that the links on the conveyor are oriented as shown in Figure 2 26 Connect the inside master links Check that the links are oriented as shown in Figure 2 27 Connect the outside master links Note that the outside master links have right and left sides The right side master link has an open hook facing you as shown in Figure 2 28 A Direction of travel A A L j Figure 2 26 Conveyor Link Orientation Incorrect Correct position position m h H E ILL IL Wa Y i eg M WAS AN Figure 2 27 Inside Master Links Direction b of travel Figure 2 28 Outside Master Links 2 20 10 5 For a TANDEM DOUBLE TANDEM or TRI TANDEM Slide the top transition panel into place Then slide the two transition side panels into place See Figure 2 29 If the four latches are not already attached to the side and top transition panels attachthemin place as shown in Figure 2 29 Fasten the latches on the side and top panels to hold the panels in place LOOSELY attach the conveyor drive motor to the end wall of the oven as shown in Figure 2 30 Assemble the conveyor drive chain in place on the motor and conveyor drive sprockets Position the motor to
15. e 2 14 Figure 2 14 Exploded View Upper Oven Stand 2 13 SECTION 2 INSTALLATION 2 Removethe rear axial cooling fans that are adjacent to the mating sides of the ovens as shown in the diagram Leave the fan wiring connected to the oven Sealing gasket eee assembly pre mounted JOINING THE OVEN BODIES For TANDEM and DOUBLE TANDEM installations perform Steps 1 7 to join the ovens For TRI TANDEM installations perform Steps 1 7 to join two of the ovens together and ensure that they are level then repeat Steps 1 7 to join the third oven to the two that are assembled For QUAD TANDEM installations perform Steps 1 7 for EACH PAIR of ovens producing two sets of two joined ovens Do not assemble the center bridge section at this time 1 Determine the proper position of the ovens by referring to Figure 2 15 Then move the ovens to their approximate final locations NOTE The Sealing Gasket Assembly is shown attached to the left oven in Figure 2 15 but may be pre mounted to EITHER of the two ovens LEFT OVEN O VL RIGHT OVEN Alignment plate E INK Slot for alignment ce E plate Figure 2 15 Oven Positioning and Alignment TET Mating surface of mT A ovens shown from lower rear Wiring is still connected Figure 2 16 Cooling Fan Removal 2 14 Insert three of the supplied 1 2 x 5 bolts through the holes i
16. frame Place the transition floor panel into place atop the support brackets See Figure 2 23 Figure 2 23 Installing the Transition Floor Panel Replace the transition center conveyor section as shown in Figure 2 24 11 Eeer o aS D D PE O 3 D Ee iL DE Transition Frame SECTION 2 INSTALLATION INSTALLING THE CONVEYOR FRAME AND BELT FOR ALL TYPES OF OVENS ENSURE THAT THE DRIVE SECTION END OF THE CONVEYOR FRAME IS PLACED ON THE SAME END OF THE OVENAS THE CONVEYOR DRIVE MOTOR 1 For a TANDEM or DOUBLE TANDEM oven slide the conveyor frame assembly into either end of the oven For TRI TANDEM ovens slide one center section and one end section of the frame into EACH END ofthe oven The four sections should butt against each other For QUAD TANDEM ovens slide two intermediate sections and one end section ofthe frame into EACH END of the oven Butt the two inner intermediate sections against the transition center frame section The other frame sections should butt against each other ea I Insert the conveyor frame into the oven as follows Figure 2 25a Installing the Conveyor Frame Tandem and Double Tandem Ovens b Figure 2 25b Installing the Conveyor Frame Tri Tandem Ovens 9 Figure 2 25c Installing the Conveyor Frame Quad Tandem Ovens 2 19 SECTION 2 INSTALLATION 2 Slide the conveyor belt through the support rods un
17. l use and are to be operated only by professionals It is required that the oven is regularly inspected for proper functioning The frequency of inspections are dependent on the oven usage however it should be performed at least once a year After adjustments or service work the oven has to be checked for gas leaks NOTE After conversions readjustments or service work the oven has to be tested for proper functioning Basically the following applies e Testing for gas leaks e Testing for correct air supply specifically to the burner blower e Testing of proper combustion and gas supply e Testing of correct gas supply controls e Testing the flue gas escape from the oven e Testing the vent system of the installation location 2 30
18. lculate obtained gas flow Compare this to the indicated flowinthe CHART OF ORIFICE SIZES GAS PRESSURES NOMINAL INPUT RATINGS AND GAS FLOW on Page 1 6 Note the following comments and procedures to assure correct gas supply pressure and adjusting the gas valve to obtain proper orifice manifold pressure XI VARIATIONS OF RATED SUPPLY PRESSURES Special attention should be given to the supply pressure and gas flow pressure at the supply connection to the oven The nominal supply pressure for gas family Group 2 natural gas should be 20 mbar Ifthe supply pressure is lower or higher than the rated nominal pressure then the reason should be investigated and the gas supplier contacted Ifthe supply pressure is lower than 17 mbar s or higher than 25 mbar s then the oven should be shut down and the gas supplier notified No adjustment of the oven controls should be made and the oven should not be operated TO CHECK GAS SUPPLY PRESSURE 1 Close main gas supply valve 2 Remove supply inlet pressure measuring stud screw from gas valve and attach the manometer to the stud 3 Open main gas supply valve and restart oven with temperature control at maximum setting 4 Measure inlet supply pressure For all natural gases this should be between 17 and 25 mbar s 5 Turn oven off close main gas supply valve remove manometer from stud and tighten cover screw in to pressure measuring stud ORIFICE MANIFOLD PRESSURE METHO
19. n the frame of the right oven pointing outward as shown in Figure 2 17 Then slide the spacers into place on the bolts Push the ovens together Check that the mounting bolts alignment plate and sealing gasket are properly aligned SECTION 2 INSTALLATION 2 1 2 x 2 1 2 eer 64 x 64mm 4 HI m spacers H tJ i 2 1 2 x 8 64 x 203mm spacers Figure 2 17 Bolts and Spacers Figure 2 18 Aligning the Ovens for Assembly 2 15 SECTION 2 INSTALLATION 5 7 Check the alignment of the track rails using a straightedge The rails MUST BE LEVEL across the gap between the ovens If necessary adjust the oven legs to align the track rails Attach the front trim strip between the two ovens as shown in Figure 2 20 Figure 2 19 Se Checking Track Rail Alignment 6 Tighten all of the attaching bolts Check that the mating edges ofthe ovens align properly If gaps appear between the tops of the ovens it will be necessary to loosen the connecting bolts and realign the ovens IMPORTANT f it is necessary to realign the ovens remember to re check the alignment of the track rails Trim strip e Bess Figure 2 20 Trim Strip Positioning 8 Perform one of the following as appropriate For PS360 360WB Tandem and Double
20. ng instructions refer to Step by Step Operation in the OPERATION Section of this manual CAUTION DURING PRESSURE TESTING NOTE ONE OF THE FOLLOWING 1 The oven and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressure in excess of 1 2 psig 3 45 kPA 2 The oven must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressure equal to or less than 1 2 psig 3 45 kPA 3 If the incoming pressure is over 50 mbars a separate regulator must be installed before the 3 4 manual gas shutoff valve located at the rear outside of the oven WARNING To prevent damage to control valve regulator during initial turn on of gas it is very important to open manual shutoff valve very slowly After the initial gas turn on the manual shutoff valve must remain open except during pressure testing as outlined in the above steps or when necessary during service maintenance To Gas Supply Pipe Full Flow Gas Appliance Connection c2 Shutoff Valve Male Nipple 90 ST Elbow Union N Flexible Hose Correct Position Figure 2 35 Flexible Hose Connector Installation 2 25 SECTION 2 INSTALLATION SECTION 2 INSTALLATION VIII PREPARATION FOR VARIOUS GASES Before proceeding to set u
21. onnections must agree with data on the oven data plate A typical oven data plate is shown in Figure 2 34 on Page 2 24 NOTE When the oven is installed it must be electrically grounded in accordance with current IEC CEE requirements and also with local codes The electrical installation including the service connection must comply with current IEC CEE requirements and to local codes The installation must undergo a complete electrical check before operating the oven Special attention must be given to the polarity of the supply when connecting to oven input terminals All connections are made at one common connection at the back of each oven Refer to Figures 2 32 and 2 33 NOTE At the installation location it is required that the electrical supply for each oven incorporates a main circuit breaker not furnished The circuit breaker must have 3mm contact gaps breaking all poles of the supply WARNING lf your electrical supply has fast acting circuit breakers then the initial starting current of the blower motors in Model PS360WB U and PS360WB L may trip the breakers It is suggested to use slow acting circuit breakers with these models For further electrical information refer to the wiring diagram WARNING The connections to the exhaust system electrical supply and gas supply mustfollow the installation instructions Initial start up of the oven can be performed only by an authorized agent Figure 2 32 Figure 2 33
22. order WARNING Before operating oven check for gas leaks TO CHANGE BYPASS LOW FLAME ORIFICE Refer to Figure 2 36 1 Turn off main gas supply valve 2 Open 3 4 union in gas supply line 3 With 1 2 wrench loosen compression nuts securing bypass tube to solenoid valve 4 Remove orifice from bypass tube 5 Install new orifice in reverse order X VOLUMETRIC METHOD WARNING Before operating oven check for gas leaks IMPORTANT During these measurements no other gas appliance should be in operation being supplied from the same gas meter To determine gas flow setting value E E Liters min NB Rated input in KW HuB Heat Calorific value of gas in KW m E NB HuB To determine the time of 0 1m 100 liters gas usage Time in minutes 2100 E The time ofthe gas flow through the meter should be taken with a stopwatch 1 Remove cover screw fromthe gas valve pressure governor adjustment valve 2 Open main gas supply valve and start oven according to supplied instructions with the temperature control at maximum setting 3 Onceovenisin operation adjust pressure valve governor to the calculated volume using the time for 100 liters of flow through Turning the adjustment screw clockwise will increase the flow and counter clockwise will reduce it 2 28 4 Replace cover screw on adjustment valve and turn off main gas supply valve 5 Record the reading obtained from the gas meter and ca
23. p the oven for a specific gas the main gas supply valve and the electrical supply circuit breaker should be turned off When preparing the oven for use of Group H or L Natural gases the orifice Manifold pressure should be adjusted to the values shown in the chart on Page 1 1 The main orifice and also the by pass low flame orifice should be changed for the specific gas type used as shown in the following Table also referto Section IX CHANGING ORIFICES FOR USE WITH NATURAL GAS The input to the burner can be determined using the orifice manifold pressure data or by the volume supplied using the gas meter Using the orifice pressure data you must know the specific gas quality used and when using the volume method you must know the heat value HuB of the gas used Obtainable from your local gas supplier If you used the orifice pressure method you should double check the rated input using the volume method If the measured input does not correspond with the rated input check first that correct orifices are installed If the orifice sizes are as specified check and correct the supply and orifice pressures to obtain the correct input based on the gas meter reading FOR USE WITH LIQUID LP GAS When using liquid gas the converter in the multifunction gas valve has to be turned end over end 180 Refer to Figure 2 36 This takes the governor out of operation 2 26 SECTION 2 INSTALLATION GAS TYPE AND PRESSURE LA
24. rom one gas type to a different type the orifices supplied with the conversion kit must be checked for proper size as specified in this manual to assure that the oven is operating at the nominal rated input ZS i c3 MAA m Y i zd ag PS cai Figure 2 1 Ventilation Hood Dimensions RECOMMENDATIONS ONLY 2 2 lil VENTILATION SYSTEM IMPORTANT Where international national or local codes require the installation of fire suppression equipment or other supplementary equipment DO NOT mount the equipment directly to the oven MOUNTING SUCH EQUIPMENT ON THE OVEN MAY VOID AGENCY CERTIFICATIONS RESTRICT SERVICE ACCESS LEAD TO INCREASED SERVICE EXPENSES FOR THE OWNER REQUIREMENTS A mechanically driven ventilation system is required for the oven PROPER VENTILATION OF THE OVEN IS THE RESPONSIBILITY OF THE OWNER RECOMMENDATIONS NOTE THAT THE HOOD DIMENSIONS SHOWN IN FIG URE 2 1 PREVIOUS PAGE ARE RECOMMENDATIONS ONLY INTERNATIONAL NATIONAL AND LOCAL CODES WILL VARY AND MUST BE FOLLOWED WHEN INSTALLING THE VENTILATION SYSTEM ANY AP PLICABLE INTERNATIONAL NATIONAL AND LOCAL CODES SUPERSEDE THE RECOMMENDATIONS SHOWN IN THIS MANUAL The rate of air flow exhausted through the ventilation system may vary depending on the oven configuration and hood design Consult
25. s consumption varies at each site Total BTU HR kcal hr must be calculated on high flame off of each appliance to determine if meter needs to be larger MINIMUM GAS PIPE SIZE Natural 2 51mm ID for 1 or 2 oven cavities with runs up to 200 ft 61m OR 2 1 2 64mm ID for 3 or 4 oven cavities with runs up to 200 ft 61m Must be a dedicated line Runs over 200 ft consult factory 170 000 BTU HR Propane 1 1 2 38mm ID for 1 or 2 oven cavities with runs up to 200 ft 61m OR 2 51mm ID for 3 or 4 oven cavities with runs up to 200 ft 61m Must be a dedicated line Runs over 200 ft consult factory 2 AS NS 1 3 5 6 Xo e 2 A m of 3 6 4 y D NS Figure 2 31 Oven Rough In GAS VALVES 3 4 19mm ID full flow gas shut off valve A separate connection and valve must be provided for each oven REQUIRED SUPPLY GAS PRESSURE Natural 20 30mbar Propane 50mbar SUGGESTED If space permits service should be located to the left of the ovens to allow access to switches and valves User Supplied Items ITEM DESCRIPTION 2 51mm X 2 b1mm X 3 4 19mm TEE 3 4 19mm X 3 76mm NIPPLE 3 4 19mm FULLFLOW GAS SHUT OFF VALVE 2 51mm X 3 4 19mm 90 REDUCER ELBOW 2 51mm ID GAS SUPPLY PIPE LINE NATURAL GAS 15 AMP TOGGLE SWITCH 2 POLE for GAS OO Go 2 22 SECTION 2 INSTALLATION VI ELECTRICAL CONNECTION Check the oven data plate before making any electric supply connections Electric supply c
26. ure 2 11 D Ge 7 b A lis 2 Thread thermocouple lead EX NO through grommet and into the i i y EN machinery compartment rs s vA ye P3 Pad OO F O sO A u Lii U x tur SU z u d fe Thread lead into Use for gt conveyor machinery compartment here Figure 2 11 Thermocouple Installation Locations 3 Remove the right side ac cess panel of the machinery compartment Thread the thermocouple lead through the side of the machin ery compartment as shown in Figure 2 12 and into the elec trical box at the right front of the machinery compartment Figure 2 12 Placing the Thermocouple Leads 2 11 SECTION 2 INSTALLATION 4 Connect the thermocouple leads to the temperature con troller as shown in Figure 2 13 5 Repeat Steps 1 4 for each of the other ovens in the in stallation 8 White Positive 7 Red Negative R No Connection EIERE 10 11 12 13 14 15 16 I SSSSSSSS Figure 2 13 Thermocouple Lead Connections 2 12 SECTION 2 INSTALLATION V ASSEMBLY If the installation includes upper ovens mounted atop lower ovens the ovens must be stacked before joining the tandem ovens together If the installation includes ovens that are to be mounted on stands assemble the ovens to the stands before joining the ovens together An exploded view of the stand is shown in Figur
27. ven must be installed in accordance with the rules in force Use only ina well ventilated area Read the instructions before use SECTION 2 INSTALLATION ll INSTALLATION PREPARATION AND SUPPLY When preparing the oven for installation at a location the latest International National or Local Requirements should be adhered to The ovens must be installed on an even level non flammable flooring and any adjacent walls must be non flammable The minimum allowed distance from the rear of the oven to the wall is 12 30cm The ovens can be supported only by legs No casters are allowed It should be made certain that there are no obstructions located around or underneath the oven that interfere with air circulation The ovens must be installed under a ventilating hood with electrical exhaust air sensing control The gas supply connection should be according to applicable ISO 228 1 or ISO 7 1 recommendations Normally the oven is preparted and adjusted to the specific gas type used by the customer Before operating the oven check the label on the oven and also on the packaging that the gas type indicated matches the local supply at the installation If not refer to Section VI PREPARATION FOR VARIOUS GASES in this chapter and convert as directed All installations conversions and service work must be performed by an Authorized Service Agent according to the instructions supplied by the manufacturer When converting f
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