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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 set
point, it will rise to the set point and turn the conveyor on.
If it is turned off and the oven is above 200° F, the blowers
will remain on until the oven drops below 200° F.

B. Conveyor Time Setting

Adjusts and displays the conveyor bake time. Dual belt
ovens have two displays, single units have one.

C. Temperature Control/Display

Displays the set point of both right and left sides of the
oven.

D. TEMP Set

Pressing on the “TEMP” button shows individual displays
and combined adjustments.

E. Message Bar

Indicates various messages pertaining to current oven
conditions.

B. Conveyor Time Setting

C. Temperature Control Display

E. Message Bar

A. Main On/Off Button

D. TEMP Set

Left

Right

Increase

Decrease

Summary of Contents for PS870 Series

Page 1: ...red trademark of Middleby Marshall Inc All rights reserved Middleby Cooking Systems Group 1400 Toastmaster Drive Elgin IL 60120 847 741 3300 FAX 847 741 4406 PS870 Series Gas Ovens P N59157 August 4 2006 PS870 Series Gas Domestic ENGLISH Model Combinations PS870G Gas SingleOven DoubleOven Two Stack TripleOven Three Stack ...

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Page 3: ... EVER SPECIFICALLY 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 any action whether in breach of contract or negligence In no event shall seller be liable for a sum in excess of the purchase price of the item Model No Modéle No Serial No Serié No Insta...

Page 4: ...ndations 8 C Other Ventilation Concerns 8 Page IV ASSEMBLY 9 A Base Pad Legs Casters and Stacking 9 B Restraint Cable Installation 9 C Conveyor Installation 9 D Standoff Installation 10 V FINAL ASSEMBLY 11 VI ELECTRICAL SUPPLY 11 Connection 12 VII GAS SUPPLY 12 A Gas Utility Rough In Recommendations 12 B Connection 13 C Gas Conversion 13 D Propane Conversion 13 SECTION 3 OPERATION 14 I LOCATION AN...

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Page 8: ...TION MANUAL 4 1 42612 KIT SUPPLEMENTSVCAGENCYLIST 5 1 33120 0056 PIPE BLK 1 1 4 X 54 6 1 22450 0130 BAG POLY4MIL9 X12 W MINI GRIP 7 1 59155 BUSHING HEYCOSB1500 18 8 1 59099 Reflector 9 1 59098 Bracket Reflector 10 1 59226 WLDMT Bracket Reflector 11 2 48522 Spacer 1 5 Dia X 1 125 H 12 2 19A15144 SCR MS HH 10 32 X 1 1 4 18 8 ...

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Page 10: ...10 D STANDOFF INSTALLATION 1 Place screw P N 19A15144 through counter bored hole in standoff P N 48522 and screw into weld nut on rear shroud 2 Repeat procedure for both sides ...

Page 11: ...rom both sides of the oven The photo eye is located on the front side of the left motor bracket Disconnect the three connecting wires noting which color wires assemble to the associated wires on the photo detector Remove the entire photo detector bracket Replace the assembly to the right hand side of the unit mirroring the way it was assembled on the left Reconnect the detector wiring in the same ...

Page 12: ...oven to determine the correct connections for the electrical supply lines Connect the supply as indicated on the wiring diagram CAUTION The terms of the oven s warranty require all start ups conver sions and service work to be performed by a Middleby Marshall Authorized Service Agent ...

Page 13: ...djust modulating valve bypass settings Disconnect the manifold unions closest to the main burner and remove the manifold assemblies four screws each Remove the addition four screws holding the burner cores and slide out each burner core leaving the ignition and sense wires connected Adjust the internal air shutters fully open and replace the cores Replace the main orifices on the manifold assembli...

Page 14: ...onveyor Time Setting Adjusts and displays the conveyor bake time Dual belt ovens have two displays single units have one C Temperature Control Display Displays the set point of both right and left sides of the oven D TEMP Set Pressing on the TEMP button shows individual displays and combined adjustments E Message Bar Indicatesvariousmessagespertainingtocurrentoven conditions B Conveyor Time Settin...

Page 15: ...h the arrowbutton Thenpusheitherthe arrowor arrow buttons to increase or decrease temperatures respectively To change the right temperature push the arrowbutton Thenpusheitherthe arrowor arrow buttons to increase or decrease tempera turesaccordingly Whenthepropertemperaturesare entered pushthe Enter Reset button Thecontroller will now show the display shown in Figure 3 3 2 Push the ON OFF button t...

Page 16: ...he ON OFF button to turn the oven off 3 Open the window to allow the oven to cool faster 4 Aftertheovenhascooledandtheblowershaveturnedoff thecircuitbreaker fuseddisconnectmaybeturnedoff Quick Reference Touch Screen Controller A Main Screen 1 ON OFF button Used to turn oven On and Off 2 TIME See Separate Instructions 3 TEMP See Separate Instructions 4 Energylevelindicators Indicatorstoeithersideof...

Page 17: ...qualified service technician should accomplish this Battery Symbol in the lower right hand corner Clean and replace the front fan filters Failure to do this will eventually shut down the oven due to excessive temperature High Control Compart ment Temperature The computer has detected a problem with either the main or burner blowers This should be corrected by a qualified service technician Main Bl...

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Page 21: ...r cracking or excessive wear 3 Check for amount of belt deflection in the center of the belt 1 2 deflection is acceptable see Figure 4 9 4 If necessary replace belt IV MAINTENANCE EVERY 6 MONTHS A Check that the oven is cool and the power is disconnected as described in the warning at the beginning of this Section B For gas ovens clean and inspect the burner nozzel and electrode assembly C Check a...

Page 22: ...S 7 2 M9616 FAN COOLING 8 2 57288 MOTOR BLOWER 9A 1 57141 AIRSWITCH BURNER BLOWER MOTOR 9B 2 50610 AIRSWITCH MAIN BLOWER 10 1 54727 IGNITION MODULE 11 1 M9887 ASSEMBLY BURNER BLOWER MOTOR 12 2 41647 VALVE MODULATING GAS 1 2 13 2 31651 AMPLIFIER MODULATINGVALVE 14 1 33983 HIGHLIMITCONTROLMODULE 240V 15 2 32108 TRANSFORMER 240Vp 24Vs 16 1 59109 PLC MODULE PROGRAMMED 17 1 58668 THERMOCOUPLE MODULE 18...

Page 23: ...Wiring Diagrams electrical schematics Middleby Marshall Model Number G208 240 volt 50 60 Hz 1 Phase 54745 Rev I ...

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