Page 2 - ii; included in the Gas Conversion Kit.; AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
ii RETAIN THIS MANUAL FOR FUTURE REFERENCE. Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 USA • (847)741-3300 • FAX (847) 741-4406 www.middleby.com NOTICE: This Owner's Operating and Installation Manual should be given to the user. The operator of the oven should befamili...
Page 3 - iii; MIDDLEBY MARSHALL INC.; UIBBLE; NLY; no quibble
iii MIDDLEBY MARSHALL INC. OVEN LIMITED WARRANTY (Non U.S.A.) The Seller warrants equipment manufactured by it to be free fromdefects in material and workmanship for which it is responsible. TheSeller’s obligation under this warranty shall be limited to replacing orrepairing, at Seller’s option, wit...
Page 4 - iv; NOTE; Wiring Diagrams are in Section 5 of this Manual.; SECTION 1 – DESCRIPTION; D. Gas Orifice and Pressure Specifications; SECTION 2 – INSTALLATION; Page; SECTION 3 – OPERATION; LOCATION AND DESCRIPTION OF CONTROLS 16; SECTION 4 – MAINTENANCE; TABLE OF CONTENTS
iv NOTE Wiring Diagrams are in Section 5 of this Manual. The diagram for each oven is also on the lower inner surface of its Control Console. Page SECTION 1 – DESCRIPTION ............................................ 1 I. OVEN USES ............................................................ 1 II. OV...
Page 6 - I. OVEN SPECIFICATIONS; Wiring Diagrams are contained in Section 5 of this Manual; This Manual Must Be Kept For Future Reference; GAS ORIFICE AND PRESSURE SPECIFICATIONS (PER OVEN CAVITY) - CE OVENS
I. OVEN SPECIFICATIONS Table 1-1 Dimensions Single Oven Double Oven Triple Oven Overall Height 48-3/16 ″ (1219mm) 62-3/4 ″ (1575mm) 78-11/16 ″ (1981mm) Overall Depth 60 ″ (1524mm) 60 ″ (1524mm) 60 ″ (1524mm) Overall Length 76-1/2 ″ (1930mm) 76-1/2 ″ (1930mm) 76-1/2 ″ (1930mm) Conveyor Width – belt w...
Page 7 - be provided for servicing and for proper operation.
SECTION 2 – INSTALLATION WARNING – After any conversions, readjustments, or service work on the oven: • Perform a gas leak test. • Test for proper combustion and gas supply. • Test for correct air supply, particularly to the • Check that the ventilation system is in operation. burner blower. WARNING...
Page 8 - PARTS LIST FOR SERIES PS640 GAS OVEN
PS640 OVEN INSTALLATION REQUIRED KITS AND EQUIPMENT PS640 PS640 PS640 PS640 Gas Oven Single Oven DoubleOven TripleOven Installation Option Base w/ OptionBase w/ OptionBase w/ TYPE OF INSTALLATION Kit 15 ″ Legs, 6 ″ Legs, Casters& Top Casters & Top Casters & Top Kit Kit Kit P/N51100 P/N59...
Page 9 - Option Base with Legs and Top; PARTS LIST FOR PS640 SERIES SINGLE OVEN OPTION - BASE w/15; QTY
Figure 2-2. Model PS640 Single Oven Option Base with Legs and Top PARTS LIST FOR PS640 SERIES SINGLE OVEN OPTION - BASE w/15 ″″″″″ LEGS & TOP P/N 59720 HARDWARE BAG 5, 6, 7, 10 & 11 1 2 3 4 9 8 ITEM NO. QTY PART NO. DESCRIPTION 1 1 60287 COMPLETE BASE WELDMENT 2 4 37900-0024 TOP PLATE, LEG W...
Page 10 - PARTS LIST FOR PS640 SERIES DOUBLE OVEN OPTION - BASE w/6
ITEM NO. QTY PART NO. DESCRIPTION 1 1 60287 COMPLETE BASE WELDMENT 2 4 37900-0102 TOP PLATE, LEG WELDMENT 3 2 22290-0009 SWIVEL CASTER W/BRAKE FLAT PLATE 4 2 22290-0010 SWIVEL CASTER FLAT PLATE 5 32 220373 3/8 ″ -16 × 13 HEX SCREW, SST 6 32 21416-0001 3/8 ″ FLAT WASHER, SS 7 32 21422-0001 3/8 ″ SPLI...
Page 11 - PARTS LIST FOR PS640 SERIES TRIPLE OVEN OPTION - BASE w/CASTERS & TOP; Option Base with Outriggers and Top
ITEM NO. QTY PART NO. DESCRIPTION 1 1 60287 COMPLETE BASE WELDMENT 2 4 45209 QUAD OUTRIGGER WELDMENT 3 2 22290-0009 SWIVEL CASTER, W/BRAKE FLAT PLATE 4 2 22290-0010 SWIVEL CASTER, FLAT PLATE 5 4 45206 INSERT,QUAD ADJUSTMENT FOOT 6 4 45205 SPACER,QUAD CASTER 7 32 A27727 3/83 -16x1-1/4 HEX BOLT 8 32 A...
Page 12 - III. VENTILATION SYSTEM; Recommendations; Inadequate ventilation can inhibit oven performance.; Requirements; Gas oven installations REQUIRE a mechani-; IMPORTANT
III. VENTILATION SYSTEM B. Recommendations N O T E T H A T T H E H O O D D I M E N S I O N S S H O W N I NF I G U R E 2 - 5 A R E R E C O M M E N D A T I O N S O N L Y .L O C A L , N A T I O N A L A N D I N T E R N A T I O N A L C O D E SM U S T B E F O L L O W E D W H E N I N S T A L L I N G T H EV...
Page 13 - Top Panel and Base Pad Assembly; f l a t w a s h e r s , a n d; Figure 2-6. Leg extension and casters installation
IV. ASSEMBLY A. Top Panel and Base Pad Assembly 1. Install the four leg extensions onto the base pad usingt h e 3 / 8 ″ -16 × 1 ″ s c r e w s , 3 / 8 ″ f l a t w a s h e r s , a n d 3/8 ″ lockwashers supplied in the Base Pad Kit. See Figure 2-6. Check that the finished sides of each legextension fac...
Page 14 - • All four sides of the lower lip (on the bottom edge; Restraint Cable Installation; Figure 2-11. Installing the Restraint Cable
NOTE: DO NOT install top panel onto double or tripleovens until AFTER stacking the oven cavities. SeePart B, Stacking. B. Stacking For single ovens, skip ahead to Part C, Restraint CableInstallation. IMPORTANT Middleby Marshall STRONGLY RECOMMENDS that PS640Gas oven cavities be stacked BY AUTHORIZED...
Page 16 - Figure 2-15. Conveyor and Master Link orientation; Final Assembly; REVERSING THE CONVEYOR BELT; Authorized installation personnel normally; CONVEYOR BELT REVERSAL
5. If it is necessary to add or remove conveyor links toachieve the correct tension, OR if it is necessary toreverse the conveyor belt for correct orientation, the beltwill need to be removed from the conveyor frame. If thisis necessary, perform the following procedure: • Remove the conveyor assembl...
Page 17 - Connection; Figure 2-17. Utility Connection Locations for Gas Ovens; To prevent damage to the control valve regu-
on the oven serial plate. The location of the serial plate is shownin Figure 1-1 (in Section 1, Description). A fused disconnect switch or a main circuit breaker (customerfurnished) MUST be installed in the electric supply line for eachoven cavity. It is recommended that the switch/circuit breakerha...
Page 18 - Figure 2-18. Flexible Gas Hose Installation
14 B. Connection Check the oven’s gas supply requirements before making thegas utility connection. Gas supply requirement are listed on theoven’s serial plate and in Table 1-4. Gas Orifice and PressureSpecifications (in Section 1, Description). Check the serial plate to determine the type of gas (Pr...
Page 19 - Adjusting the Minimum Pressure Setting; Disconnect electrical connection of the Moduplus; Checkout
15 F. Adjusting the Minimum Pressure Setting 1. Disconnect pressure feedback connection (if appcable). 2. Connect a suitable pressure gauge to pipe line or to outletpressure tap of gas control concerned, to measure burnerpressure (measuring point must be as near to burner aspossible). 3. Disconnect ...
Page 20 - SECTION 3 - OPERATION; LOCATION AND DESCRIPTION OF CONTROLS; Conveyor Time Setting; Displays the set point of the oven.; TEMP Set; Left
SECTION 3 - OPERATION LOCATION AND DESCRIPTION OF CONTROLS A. Main On/Off Button Turns all oven functions on or off. If the oven is below the setpoint, it will rise to the set point and turn the conveyor on. If it isturned off and the oven is above 200° F, the blowers will remainon until the oven dr...
Page 21 - Main Screen; arrow button. Then push either the “; Figure 3-1 Screen Saver; Figure 3-2 Main Screen OFF; Figure 3-4 Temperature Screen
NORMAL OPERATION - STEP-BY-STEP A. Main Screen 1. When the unit has been “OFF” for more than 1 minutethe controller will display the screen saver, as shown inFigure 3-1. To start operation, push the “Enter/Reset”button. The controller will display the “OFF” screen, asshown in Figure 3-2. 3. To chang...
Page 22 - Figure 3-5 Belt Speed Screen
4. To change the conveyor belt speed, push the “TIME”button. The controller will display the screen, shown inFigure 3-5. To change the minute setting, push the “ ← ← ← ← ← ” arrow button. Then push either the “ ↑ ” arrow or “ ↓ ” arrow buttons to increase or decrease the time accordingly. Tochange t...
Page 24 - SECTION 4 - MAINTENANCE; WARNING; Check that ALL cooling fans are operating properly.
Vents on front panel of oven Fan grills (2) on rear of oven and control compartment Vent (1) on rear of machinery compartment SECTION 4 - MAINTENANCE WARNING Possibility of injury from moving parts and electrical shock exists in this oven. Switch off and lockout/tagout the electric supply BEFORE beg...
Page 25 - II. MAINTENANCE – MONTHLY; Figure 4-2. Removing Air Fingers and Plates
II. MAINTENANCE – MONTHLY NOTE: When removing the conveyor, refer to Figure 2-12 (inSection 2, Installation). A. Check that the oven is cool and the power is disconnected,as described in the warning at the beginning of this Section. B. Remove the crumb trays from the oven. C. Lift the drive end of t...
Page 26 - III. MAINTENANCE – EVERY 3 MONTHS; Split Belt Disassembly and Cleaning; Figure 4-4. Disassembling the idler shaft
III. MAINTENANCE – EVERY 3 MONTHS A. Check that the oven is cool and the power is discon-nected, as described in the warning at the beginning ofthis Section. B. Vacuum both of the blower mounts, and their surroundingcompartments, using a shop vacuum. C. Tighten all electrical terminal screws. D. Spl...
Page 27 - Figure 4-6. Disassembling the drive shaft; Check the blower belt for the proper 1/4
Figure 4-6. Disassembling the drive shaft E. Blower Belt 1. Remove the six screws shown in Figure 4-7. Then,remove the rear panel from the oven. 2. Check the blower belt for the proper 1/4 ″ (6mm) deflec- tion at the center, and for cracking or excessive wear. See Figure 4-7. Overtightening the belt...
Page 28 - DESCRIPTION
V. KEY SPARE PARTS – Available separately. See Figure 4-8. KEY SPARE PARTS PS640 GAS (B & W Touchscreen) ITEM QTY. P/N DESCRIPTION 1 1 60191 Digital Display, Programmed 2 1 58920 Motor, Conveyor Drive 3 1 58679 Conveyor Control Board 4 1 60192 Inverter, Programmed 5 1 M9608 Power Supply 6 1 6019...
Page 29 - SECTION 5 - WIRING DIAGRAM
SECTION 5 - WIRING DIAGRAM Middleby-Marshall Model Number G208-240 Volt 50/60 Hz, 1 Phase 25 59324 Rev. A6
Page 30 - NOTES
Page 32 - can cause property damage, injury or death. Read the installation,; relieves the manufacturer of all warranty and liability.; NOTICE
Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 • USA • (847)741-3300 • FAX (847)741-4406 www.middleby.com Middleby is proud to support the Commercial Food EquipmentService Association (CFESA). We recognize and applaudCFESA's ongoing efforts to improve the quality of techni...