PS870 Series Gas Domestic ENGLISH P/N 59157 August 4, 2006 PS870 Series Gas Ovens Model: Combinations: • • • • PS870G Gas Single Oven Double Oven (Two-Stack) Triple Oven (Three-Stack) OWNER'S OPERATING AND INSTALLATION MANUAL for domestic and standard export ovens ©2006 Middleby Marshall Inc. is a registered trademark of Middleby Marshall, Inc. All rights reserved.
Model No. Modéle No. Serial No. Serié No. Installation Date Date d'installation MIDDLEBY MARSHALL NO QUIBBLE LIMITED WARRANTY (U.S.A. ONLY) MIDDLEBY MARSHALL INC. OVEN LIMITED WARRANTY (Non U.S.A.) The Seller warrants equipment manufactured by it to be free from defects in material and workmanship for which it is responsible. The Seller’s obligation under this warranty shall be limited to replacing or repairing, at Seller’s option, without charge, F.O.B.
Table of Contents Page Page SECTION 1 IV. ASSEMBLY ...................................................................... 9 DESCRIPTION .................................................................... 5 A. Base Pad, Legs, Casters, and Stacking .................. 9 I. OVEN USES .................................................................... 5 B. Restraint Cable Installation ...................................... 9 II. OVEN COMPONENTS .................................................... 5 C.
ITEM 1 2 3 4 5 6 7 8 9 10 11 12 QTY 1 1 1 P/N 55028 55027 59026 1 1 1 1 1 1 1 2 2 42612 33120-0056 22450-0130 59155 59099 59098 59226 48522 19A15144 DESCRIPTION STOP,BACK SIDE CONV EXT STOP,SIDE END CONV EXT OWNER'S OPERATING & INSTALLATION MANUAL KIT,SUPPLEMENT SVC AGENCY LIST PIPE,BLK 1-1/4" X 54" BAG,POLY4MIL 9" X 12"W/MINI-GRIP BUSHING,HEYCO SB 1500-18 Reflector Bracket, Reflector WLDMT, Bracket Reflector Spacer, 1.5" Dia X 1.
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.
Mount the new reflector bracket to the provided holes on the front right-hand side of the oven. The reflector should be positioned just above the conveyor belt. Using an assistant, hold both back cover switches in the closed position. This will allow power to the photo-eye, and it will provide a red beam for aiming. Loosen one of the screws holding the photo detector gimbal tight, allowing it to be reaimed at the reflector.
Connection Refer to the wiring diagram inside the machinery compartment of the 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, conversions and service work to be performed by a Middleby Marshall Authorized Service Agent.
D. PS870 Propane conversion Four items have to be changed, to change the oven to LP: 1. Adjust internal burner air shutters. 2. Replace main Orifices 3. Replace (and adjust) the spring in the main valve (see LP kit) 4. Adjust modulating valve bypass settings. Disconnect the manifold unions closest to the main burner, and remove the manifold assemblies (four screws each).
SECTION 3 - OPERATION C. Temperature Control Display E. Message Bar Increase Decrease A. Main On/Off Button B. Conveyor Time Setting D. TEMP Set Right Left LOCATION AND DESCRIPTION OF CONTROLS 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. A.
NORMAL OPERATION - STEP-BY-STEP2. Push the “ON/OFF” button to start the oven. The controller will display the screen, as shown in Figure 3-3. A. Main Screen 1. When the unit has been “OFF” for more than 1 minute the controller will display the screen saver, as shown in Figure 3-1. To start operation, push the “Enter/ Reset” button. The controller will display the “OFF” screen, as shown in Figure 3-2. ON/OFF button Figure 3-3 Main Screen ON Figure 3-1 Screen Saver 3.
4. To change the conveyor belt speed, push the “TIME” button. The controller will display the screen, shown in ←” Figure 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. To change the second setting, push the “→” arrow button. Then push either the “↑” arrow or “↓” arrow buttons to increase or decrease the time accordingly. When the proper times are entered, push the “ENTER/RESET” button.
III. QUICK REFERENCE: TROUBLESHOOTING SYMPTOM PROBLEM SOLUTION Oven will not turn On. No electrical power • Check that the circuit breaker/fused disconnect is on. Make sure the emergenct stop button is on. Oven will not heat. No gas pressure • Make sure main gas is on. Burner did not light • Turn oven off, and restart. If it still does not light, call for service. Oven is operating, but little or no air is coming from the fingers. Air fingers may be assembled incorrectly after cleaning.
E. Blower Belts 1. To gain access to each blower belt compartment remove the four screws shown in Figure 4-8. Then, lift the rear shroud off its hangers. If access to the blower motors is required, remove the three mounting screws (two on the front of each shroud and one on the rear). Then, lift the end shroud straight up and off its hangers. 2. Check each blower belt for cracking or excessive wear. 3.
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Middleby-Marshall Model Number G208-240 volt 50/60 Hz, 1 Phase 54745 Rev.