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PS536GS P/N 50236
Gas Rev. B • V1 10/04
Domestic, Std. Export & CE Price $30.00
ENGLISH/French/Spanish
PS536GS Gas Ovens
Models: Combinations:
PS536GS Gas Single Oven
Double Oven (Two-Stack)
Triple Oven (Three-Stack)
OWNER'S OPERATING, INSTALLATION,
AND PARTS MANUAL
for domestic, standard export and CE export ovens
© 2003 Middleby Marshall, Inc.
is a registered trademark of Middleby Marshall, Inc. All rights reserved.
Middleby Cooking Systems Group 1400 Toastmaster Drive Elgi
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ENGLISH NOTICE: This Owner's Operating and Installation Manual should be given to the user. The operator of the oven should be familiar with the functions and operation of the oven. This manual must be kept in a prominent, easily reachable location near the oven. Ovens are shipped from the factory configured for use with natural gas. If permitted by local, national and international codes, at the time of installation the oven may be converted to propane gas operation. This conversion requires
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TABLE OF CONTENTS page page SECTION 1 - DESCRIPTION ................................................... 4 B. Connection ...................................................... 13 I. OVEN USES ............................................................. 4 V. GAS SUPPLY .......................................................... 14 II. OVEN COMPONENTS ............................................. 4 A. Gas Utility Rough-In Recommendations .......14 A. Window .........................................
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ENGLISH SECTION 1 - DESCRIPTION J. Conveyor: Moves the food product through the oven. I. OVEN USES Not Shown: PS536GS ovens can be used to bake and/or cook a wide variety of food products, such as pizza, pizza-type products, K. Gas Burner: Heats air, which is then projected to the air cookies, sandwiches and others. fingers by the blowers. L. Blowers: Fans that project hot air from the gas burner to II. OVEN COMPONENTS - see Figure 1-1. the air fingers. A. Window: Allows the user to see and
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SECTION 1 - DESCRIPTION Table 1-3: Electrical specifications for gas ovens (per oven cavity) Main Blower Control Current Voltage Circuit Voltage Phase Freq. Draw Poles Wires 208/240V 120V conv. speed control 1 Ph 50/60 Hz 6A * 2 Pole 3 Wire (2 hot, 1 gnd) & drive motor; all others as per line (208/240V) * The current draw shown above is an average value for normal operation. The initial amperage draw on oven startup may exceed the listed value. Table 1-4: Gas orifice and pressure specificat
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ENGLISH SECTION 2 - INSTALLATION WARNING - For gas ovens, after any conversions, readjustments, or service work on the oven: Perform a gas leak test. Test for correct air supply. Test for proper combustion and gas supply. Check that the ventilation system is in operation. WARNING Keep the appliance area free and clear of combustibles. WARNING The oven must be installed on an even (level) non-flammable flooring and any adjacent walls must be non-flammable. Recommended minimum clearances
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SECTION 2 - INSTALLATION Figure 2-1 - Installation Kit 2 3 1 4a, 4b, 4c, 4d 8 12 16 14 13 15 6 11 5 10 7 9 I. INSTALLATION KIT - see Figure 2-1 Qty. Qty. Qty. Inc. with Inc. with Single Double Triple domestic CE Item Oven Oven Oven Part No. ovens? ovens? Description 1 1 1 1 48605 Yes Yes Top panel 2 4 4 4 3A80A8801 Yes Yes Screw, pan head #10 x 2″ 3 1 1 1 42893 Yes Yes Base pad 4a 4 4 -- 42890 Yes Yes 17-1/2″ (445mm) leg extension, for single and double ovens 4b -- 4 -- 45360 Yes Yes 20-1/2″ (52
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ENGLISH SECTION 2 - INSTALLATION B. Recommendations II. VENTILATION SYSTEM NOTE THAT THE HOOD DIMENSIONS SHOWN IN FIGURE 2- 2 ARE RECOMMENDATIONS ONLY. LOCAL, NATIONAL AND INTERNATIONAL CODES MUST BE FOLLOWED WHEN IMPORTANT INSTALLING THE VENTILATION SYSTEM. ANY APPLICABLE Where national or local codes require the CODES SUPERSEDE THE RECOMMENDATIONS SHOWN IN THIS MANUAL. installation of fire suppression equip- ment or other supplementary equipment, The rate of air flow exhausted through the ve
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SECTION 2 - INSTALLATION Figure 2-3 - Leg extension and casters installation III. ASSEMBLY A. Top Panel and Base Pad Assembly Finished sides of 1. Install the four leg extensions onto the base pad using the leg extension 3/8"-16x1" screws, 3/8" flat washers, and 3/8" lockwashers face corner of supplied in the Base Pad Kit. See Figure 2-3. Check that base pad the finished sides of each leg extension face OUTWARDS. 3/8" flat For domestic and standard export ovens: washer One rear leg should be a
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ENGLISH SECTION 2 - INSTALLATION B. Stacking 1. Stack an oven cavity on top of the lower oven. Check the following: For single ovens, skip ahead to Part C, Restraint Cable All four sides of the lower lip (on the bottom edge of the Installation. oven cavity) overlap the top of the lower oven. IMPORTANT The oven is level. Middleby Marshall STRONGLY RECOMMENDS that PS536GS The oven is firmly seated. oven cavities be stacked using the following: See Figure 2-6. PS500 Series Stacking Lift Ki
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SECTION 2 - INSTALLATION D. Conveyor Installation Figure 2-9 - Conveyor installation 1. Unfold the conveyor as shown in Figure 2-9. Then, begin to slide the conveyor into the end of the oven. The conveyor can only be installed from the end of the oven with the drive motor. Folded frame 2. Continue moving the conveyor into the oven until the frame protrudes equally from each end of the oven. Check that the crumb tray supports located on the underside of the con- veyor frame rest firmly against
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ENGLISH SECTION 2 - INSTALLATION 5. If it is necessary to add or remove conveyor links to achieve E. Final Assembly the correct tension, OR if it is necessary to reverse the 6. Install the drive chain between the conveyor drive sprocket conveyor belt for correct orientation, the belt will need to be and the motor sprocket. To install the chain, it will be removed from the conveyor frame. If this is necessary, necessary to lift the drive end of the conveyor slightly. perform the following proce
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SECTION 2 - INSTALLATION IV. ELECTRICAL SUPPLY WARNING The oven requires a ground connection to the oven ground Authorized supplier personnel normally accomplish screw located in the electrical junction box. (The box is shown the connections for the ventilation system, electric supply, in Figure 2-14.) The ground connection must comply with all and gas supply, as arranged by the customer. Following applicable local, national, and international codes. If necessary, these connections, the fact
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ENGLISH SECTION 2 - INSTALLATION NOTE: Certain safety code requirements exist for the installation V. GAS SUPPLY of gas ovens; refer to the beginning of Section 2 for a list of the installation standards. In addition: CAUTION In the USA, the installation must conform with local codes, DURING PRESSURE TESTING NOTE THE FOLLOWING: or in the absence of local codes, with the National Fuel Gas 1. The oven and its individual shutoff valve must be discon- Code, ANSI Z223.1. nected from the gas supply
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SECTION 2 - INSTALLATION 1. Checking the Gas Supply (Inlet) Pressure b. Volumetric Method a. With the main gas supply valve closed and the circuit 3 1. Determine the time of 0.1m (100 liters) of gas usage breaker/fused disconnect in the OFF ("O") position, open as follows. the inlet pressure tap shown in Figure 2-16 and attach a manometer to the tap. NB (Rated input in kW) 3 Consumption (m /hr.) = b. Depress the safety switches to allow the oven to operate. HuB (Heat [Calorific] value c. Open th
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ENGLISH SECTION 3 - OPERATION E D B A C I. LOCATION AND DESCRIPTION OF CONTROLS "BLOWER" Switch: Turns the blowers and A. E. Digital Temperature Controller: Continuously cooling fans on and off. The HEAT Switch has monitors the oven temperature. Settings on the no effect unless the BLOWER Switch is in the Digital Temperture Controller control the activa- “ON” position. tion of the burner. Keypad controls allow the operator to select the cooking temperature and B. "HEAT" Switch: Allows the
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SECTION 3 - OPERATION 7. Wait for the oven to heat to the setpoint temperature. Higher II. NORMAL OPERATION - STEP-BY-STEP setpoint temperatures will require a longer wait. The oven A. DAILY STARTUP PROCEDURE can reach a temperature of 500°F (232°C) in approximately 5 minutes. 1. Check that the circuit breaker/fused disconnect is in the on position. Check that the window is closed. 8. (Optional) Press the Tem- perature ( ) key to show 2. Turn the "BLOWER" ( ) the Actual Temperature wait switc
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ENGLISH SECTION 3 - OPERATION III. QUICK REFERENCE: DIGITAL TEMPERATURE CONTROLLER Display "HEAT ON" Shows the Set Point Light or the Actual Tem- Lights when the perature in degrees burner is in Fahrenheit (F) or operation. Celsius (C). "SP LOCK" Light Lights when the "SET PT" set point is locked out from changes. (setpoint) This setting can Light only be changed by Lights when the service personnel. set point is shown in the display. OVERTEMP Light "ACTUAL Lights when the oven temperature is
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SECTION 4 - MAINTENANCE WARNING Before ANY cleaning or servicing of the oven, perform the following procedure: 1. Switch off the oven and allow it to cool. Do NOT service the oven while it is warm. 2. Turn the full-flow gas safety valve to the off position. 3. Turn off the electric supply circuit breaker(s) and disconnect the electric supply to the oven. 4. If it is necessary to move a gas oven for cleaning or servicing, disconnect the gas supply before moving the oven. When all cleaning and se
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ENGLISH SECTION 4 - MAINTENANCE Figure 4-2 - Removing Air Fingers and Plates II. MAINTENANCE - MONTHLY A. Check that the oven is cool and the power is disconnected, as described in the warning at the beginning of this Section. B. Refer to Part D, Conveyor Installation, in the Installation section of this Manual. Then, remove the following compo- nents from the oven: Conveyor end stop Crumb trays Chain cover Drive chain End plugs Conveyor assembly C. Slide the air fingers and blank
