Middleby Marshall PS745 Series Owner'S Operating And Installation Manual Download Page 1

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OWNER'S OPERATING AND

INSTALLATION MANUAL

for domestic and standard export ovens

Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 • (847)741-3300 • FAX (847)741-4406

PS745 Series Gas Ovens

P/N 68690

September 2012

PS745 Series

Gas

Domestic & Std. Export

ENGLISH

Model:

Combinations:

• PS745G Gas

•  Single Oven
•  Double Oven (Two-Stack)
•  Triple Oven (Three-Stack)

Summary of Contents for PS745 Series

Page 1: ...mark of Middleby Marshall Inc All rights reserved Middleby Cooking Systems Group 1400 Toastmaster Drive Elgin IL 60120 847 741 3300 FAX 847 741 4406 PS745 Series Gas Ovens P N 68690 September 2012 PS7...

Page 2: ...have personnel and provisions available to correct the problem WARNING FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE...

Page 3: ...CALLY THERE ARE NO IMPLIED WARRANTIES OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE The foregoing shall be Seller s sole and exclusive obligation and Buyer s sole and exclusive remedy for...

Page 4: ...entilation Concerns 8 IV ASSEMBLY 9 A Base Pad Legs Casters 9 B Stacking 10 C Restraint Cable Installation 10 D Conveyor Installation 11 E Standoff Installation 11 V FINAL ASSEMBLY 12 VI ELECTRICAL SU...

Page 5: ...dow Allows the user to access food products inside the baking chamber G Machinery Compartment Access Panel Allows access to the oven s interior and control components No user ser viceable parts are lo...

Page 6: ...60Hz 11 9 6 Amp 2 Pole 3 Wire 2 hot 1 gd Table 1 4 Gas orifice and pressure specifications for PS745G gas ovens Gas Main Orifice I D Supply Inlet Orifice Manifold Bypass Type PS745G Pressure Pressure...

Page 7: ...e must be adequate clearance between the oven and combustible construction Clearance must also be provided for servicing and for proper operation NOTE An electrical wiring diagram for the oven is loca...

Page 8: ...IRECTORY 5 1 22500 0080 LABEL MM 6 1 51054 ASSY HANDLE DOOR Figure 2 1A PS745 Series Gas Oven Installation Parts 4 PS745 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT PS745 PS745 PS745 PS745 Gas Oven...

Page 9: ...NO QTY PART NO DESCRIPTION 1 1 66159 COMPLETE BASE WELDMENT 2 4 66851 TOP PLATE LEG WELDMENT 4 4 58930 SWIVEL CASTER FLAT PLATE 5 32 2000531 3 8 16 1 HEX SCREW SST 6 32 21416 0001 3 8 FLAT WASHER SS...

Page 10: ...0001 3 8 FLAT WASHER SS 7 32 21422 0001 3 8 SPLIT LOCK WASHER ZP 8 1 22450 0228 RESTRAINT CABLE ASSEMBLY 9 1 59560 TOP COVER 10 2 59677 SCR MS SL TR HD 10 32 2 1 2 11 2 7A2S15 SCR MS STR TRSHD 10 32 3...

Page 11: ...83 SPLIT LOCK WASHER ZP 10 16 21172 0004 3 83 16 NYLON INSULATED LOCKNUT ZC 11 8 2001048 1 23 13 x 1 3 8 18 8 HEX CAPSCREW 12 8 A27750 1 23 18 8 FLAT WASHER 13 8 21422 0016 1 23 18 8 LOCK WASHER 14 2...

Page 12: ...lt from extreme seasonal hot and cold temperatures from the outdoors NOTE Return air from the mechanically driven system must not blow at the opening of the baking chamber Poor oven baking performance...

Page 13: ...s shown in Figure 2 7 Use the 3 8 16 1 screws 3 8 flat wash ers and 3 8 lockwashers supplied in the Installation Kit The locking casters should be installed at the FRONT of the oven The non locking ca...

Page 14: ...ng the screws included in the base pad kit as shown in Figure 2 10 Figure 2 9 Stacking Figure 2 10 Top panel installation C Restraint Cable Installation Because the oven is equipped with casters a res...

Page 15: ...feet 0 6 1 0m with your fingers The drive and idler shafts must rotate smoothly and the belt must move freely without rubbing on the inside of the oven 4 Check the tension of the conveyor belt as show...

Page 16: ...in the oven CAUTION The Main Circuit Breaker MUST be in the OFF position before performing any work inside the electrical compartments Shock hazard in compartments electrical filters are electrically...

Page 17: ...Inlet One per Single Double or Triple Oven VII GAS SUPPLY CAUTION DURINGPRESSURETESTINGNOTEONEOF THE FOLLOWING 1 The oven and its individual shutoff valve must be discon nected from the gas supply pi...

Page 18: ...y require all start ups conversions and service work to be performed by a Middleby Authorized Service Agent D PS745 Propane Conversion Two items have to be changed to change the oven to LP 1 Replace m...

Page 19: ...to increase or counter clockwise to decrease pressure until the desired minimum outlet pressure is obtained 6 Check if main burner lights easily and reliable at minimum pressure 7 Reconnect pressure f...

Page 20: ...controller Split belt ovens have one controller for each conveyor belt labeled FRONT and BACK DigitalTemperatureController Continuously monitors the oven temperature Settings on the Digital Tempertur...

Page 21: ...in approximately 5 minutes temperature as it rises to the setpoint 9 Allow the oven to preheat for 10 minutes after it has reached the set point temperature B DAILY SHUTDOWN PROCEDURE 2 Make certain t...

Page 22: ...Set Point Key to allow the Set Point to be changed Changes can only be made for 60 seconds Up Arrow and Down Arrow Keys Press these keys to adjust the Set Point up or down If the Set Point will not ch...

Page 23: ...did not light Make sure main gas is on Turn oven off and restart If it still does not light call for service Oven will not heat Air fingers may be as sembled incorrectly after cleaning Turn oven off...

Page 24: ...ect the gas supply before moving the oven When all cleaning and servicing is complete 1 If the oven was moved for servicing return the oven to its original location 2 If the restraint cable was discon...

Page 25: ...EACH FINGER IS DISASSEMBLED WRITE THE LOCA TION CODE FOR THE FINGER ON ALL THREE OF ITS PIECES This will help you in correctly reassembling the air fingers CAUTION Incorrectreassemblyoftheairfingersw...

Page 26: ...w on both of the conveyor drive sprockets Then removethesprocketsfromtheshaft 11 Check the conveyor configuration as follows High speed conveyors are equipped with large flange bearings at both ends o...

Page 27: ...is reached then tighten the bolts Figure 4 7 Rear panel access Remove eight 8 screws to remove rear panel Blower belt Bearings 2 total Blower motor Loosen four 4 screws to adjust mo tor position and...

Page 28: ...2044 Air Switch 10 1 27381 0069 Motor Blower 11 1 61602 Ignition Module 12 1 60679 Assy Valve Gas Modulating 13 1 60671 Board Signal Cond 0 15VDC 14 1 33983 High Limit Control Module 240V 15 2 32108 T...

Page 29: ...SECTION 5 WIRING DIAGRAM Middleby Marshall Model Number PS745G 208 240 Volt 50 60 Hz 1 Phase 25 68070 Rev B...

Page 30: ...26 NOTES...

Page 31: ...27 NOTES...

Page 32: ...njury or death Read the installation operating and maintenance instructions thoroughly before installing or servicing this equipment NOTICE During the warranty period ALL parts replacement and servici...

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