Middleby Marshall Model PS536 Owner'S Operating & Installation Manual Download Page 24

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

24-Hour Service Hotline: 1-(800)-238-8444

www.middleby.com

Fig. 5-2 - Wiring diagram, PS536 Electric Oven

SECTION 5 - ELECTRICAL WIRING DIAGRAMS

FUSES

60A

TERMINAL BLOCK

HIGH

LIMIT

CONTROL MODULE

RESET SWITCH

THERMO- COUPLE

RESET

LAMP

MACHINERY

COMPARTMENT

SAFETY SWITCH

MOTOR

COMPARTMENT

SAFETY SWITCH

CIRCUIT BREAKER

TRANSFORMER

208V

PRI.

120V

SEC.

CONVEYOR

SPEED

CONTROLLER

DRIVE MOTOR

BLOWER SWITCH

HEAT

SWITCH

AIR

PRESSURE

SWITCH

TEMPERATURE

CONTROLLER

BLOWER MOTOR

COOLING

FAN

COOLING

FAN

HEATER

8kW

HEATER

8kW

THERMO- COUPLE

CONTACTOR

3-PHASE RELAY

CONVEYOR

SWITCH

PICKUP

CIRCUIT BREAKER

15A

CONVEYOR

SPEED

CONTROLLER

DRIVE MOTOR

PICKUP

SPLIT

BELT

OVENS

ONLY

Summary of Contents for Model PS536

Page 1: ...741 4406 OWNER S OPERATING INSTALLATION MANUAL 2000 Middleby Marshall Inc is a registered trademark of Middleby Marshall Inc All rights reserved PS536 Gas and Electric Ovens PS536 Gas Electric Domesti...

Page 2: ...r If the smell of gas is detected immediately call the emergency phone number of your local Gas Company They will have personnel and provisions available to correct the problem FOR YOUR SAFETY Do not...

Page 3: ...Installation 11 TABLEOFCONTENTS V FINALASSEMBLY 12 VI ELECTRICAL SUPPLY 13 A Additional Information Gas Ovens 13 B Additional Information Electric Ovens 13 C Connection 13 VII GAS SUPPLY 13 A Gas Uti...

Page 4: ...he environment D End Plugs Allow access to the oven s interior E Control Panel Location of the operating controls for the oven Refer to Section 3 Operation for details F Machinery Compartment Access P...

Page 5: ...ications per oven cavity Orifice Manifold Gas Type Main Orifice I D Pilot Orifice I D Supply Inlet Pressure Pressure Natural 0 0935 2 3749mm 42 drill 0 028 0 71mm 4 7 W C 9 95 17 4mbar 3 5 W C 8 7mbar...

Page 6: ...nual 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...

Page 7: ...893 Base pad 8a 4 4 42890 17 1 2 445mm leg extension for single and double ovens 8b 4 44799 6 152mm leg extension for triple ovens 9 2 2 2 22290 0009 Caster with flat plate and brake 10 2 2 2 22290 00...

Page 8: ...he outdoors NOTE Return air from the mechanically driven system must not blow at the opening of the baking chamber Poor oven baking performance will result C Other ventilation concerns Special locatio...

Page 9: ...locking casters should be installed at the FRONT of the oven The non locking casters should be installed at the REAR of the oven 3 Install the top panel in place on the top oven cavity using the screw...

Page 10: ...ure that the insulation faces up 3 Place the center oven cavity for triple ovens or the top oven cavity for double ovens on top of the spacer Check that all four sides of the spacer overlap the base o...

Page 11: ...e of the conveyor frame that are in the slotted holes DO NOT TIGHTEN THE OTHER BOLTS This fastens the two frame sections together at the correct belt tension while still allowing the frame to be folde...

Page 12: ...nst the lower end plugs as shown in Figure 2 10 8 When the conveyor is positioned properly check for free dom of movement of the conveyor belt by pulling it for about 2 3 feet 60 to 90 cm with your fi...

Page 13: ...box shown in Figure 2 13 The power lines then connect to the oven circuits through a safety switch located inside the machinery compart ment This switch interrupts electric power to the oven when the...

Page 14: ...AN CGA B 149 2 as applicable In Australia the installation must conform with AGA Code AG601 and with any requirements of the appropriate statutory authority Certain safety code requirements exist for...

Page 15: ...plays the bake time Single belt ovens have one controller Split belt ovens have one controller for each conveyor belt labeled FRONT and BACK Digital Temperature Controller Continuously monitors the o...

Page 16: ...e of 500 F 232 C in approximately 15 minutes 8 Allow the oven to preheat for 10 minutes after it has reached the set point temperature Heating elements on Oven temperature under 200 F 93 C 1 Turnthe H...

Page 17: ...Arrow key Decreases the set point temperature Press the key once to change the set point by one degree Hold the key down for largerchanges light Illuminates when the burner or heating elements are on...

Page 18: ...starting the oven Repeat the Daily Startup Procedure Check that the Set Point is above 200 F 93 C Oven is operating but little or no air is blowing from air fingers Air fingers may have been reassembl...

Page 19: ...e or pressurized steam cleaning equipment when cleaning this oven DO NOT use excessive amounts of water to avoid saturating the oven insulation DO NOT use a caustic oven cleaner which can damage the b...

Page 20: ...plates out of the oven as shown in Figure 4 2 AS EACH FINGER OR PLATE IS REMOVED WRITE A LOCATION CODE ON IT WITH A MARKER to make sure that it can be reinstalled correctly Example of markings Top Row...

Page 21: ...sition the steel spacers against the ends of the bushings on the conveyor frame Tighten the set screws on the spacers to hold them in place Leave the conveyor belt sprockets loose at this time i Repla...

Page 22: ...aft bushings and spacers Replace the components if they are worn Fig 4 7 Key Spare Parts Kit 1 2 3 7 4 5 6 9 10 11 15 12 13 16 17 14 E Blower Belt 1 Remove the six screws shown in Figure 4 6 Then remo...

Page 23: ...TMENT S A F E T Y SWITCH MOTOR COMPARTMENT S A F E T Y SWITCH CIRCUIT BREAKER 2A TRANSFORMER 240V PRI 120V SEC CONVEYOR SPEED CONTROLLER DRIVE MOTOR BLOWER SWITCH H E A T SWITCH AIR PRESSURE SWITCH TE...

Page 24: ...T CONTROL MODULE R E S E T SWITCH THERMO COUPLE RESET LAMP MACHINERY COMPARTMENT S A F E T Y SWITCH MOTOR COMPARTMENT S A F E T Y SWITCH CIRCUIT B R E A K E R 2 A TRANSFORMER 208V PRI 120V SEC CONVEYO...

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