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Market Forge Industries ST-10 Owner's Manual

Pressureless steam cooker consisting of two independently controlled compartments enclosed in a single cabinet
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ST-10 & ST-10 Power-Plus
OWNER'S MANUAL
INSTALLATION, OPERATION, MAINTENANCE, SERVICE AND PARTS MANUAL
Form Number: S-2486
Printed in U.S.A.
□
MODELS:
□
REV: F
04/14
Tel: (617) 387-4100
WARNING:
Improper Installation, adjustment,
alteration, service, or maintenance can
cause property damage, injury, or death.
Read the installation, operating, and
maintenance instructions thoroughly
before installing or servicing this
equipment.
FOR YOUR SAFETY:
Do not store or use gasoline or other
flammable vapors or liquids in the
vicinity of this or any other appliance.
ST-10
ST-10 Power-Plus
35 Garvey Street
Fax: (617) 387-4456
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E-Mail: CUSTSERV@mfii.com
Everett
MA
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Outside MA Fax: (800) 227-2659
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Website: www.mfii.com
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02149
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Summary of Contents for Market Forge Industries ST-10

  • Page 1 ST-10 & ST-10 Power-Plus OWNER’S MANUAL WARNING: Improper Installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment. FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance.

  • Page 2: Table Of Contents

    5.4.11 Wiring ..........18 3.2.4 Shut-Down Procedure ...... 5 5-2 ST-10 Schematic ......... 18 3.3 Cleaning ..........5 5-3 ST-10 Power-Plus Wiring Diagram ..19 3.4 Drainage ..........6 5-4 ST-10 Power-Plus Schematic ....20 3.4.1 Cooking Compartment Drainage..6 3.4.2 Drip/Spill Trough Drainage ....

  • Page 3: Section 1 Introduction

    SECTION 1. INTRODUCTION This service and parts manual contains general information, installation operation, principles of operation, trouble-shooting, and maintenance information for the Market Forge ST-10 Pres- sureless Steam Cookers. Also included is a parts list in which each replaceable part is identi- fied and shown in an accompanying exploded view.

  • Page 4: Section 2 Installation

    SECTION 2. INSTALLATION 2.1 ASSEMBLY is within the range of 7.0–8.5. Water that fails to The Pressureless Cooker is factory-mounted on meet these standards should be treated by the in- a cabinet base containing either a steam boiler or stallation of a water conditioner. direct steam connection controls for the cooker.

  • Page 5: Cooker Check-Out

    SECTION 2. INSTALLATION 2.5.2 COOKER CHECK-OUT sliding the panel down. The cooker check-out procedures are as follows: Remove the door interlock assembly by un- With the doors open set timers to about the screwing the two nuts that hold it in place “4-minute”...

  • Page 6: Typical Door Layout

    SECTION 2. INSTALLATION Slide the door and hinge assembly down onto the hinge which you have already mounted to the front of the unit. Use the two screws to mount the top hinge into the right upper hinge mounting holes. DO NOT COMPLETELY TIGHTEN THE HINGE MOUNTING SCREWS YET. Slowly push the cooking compartment door closed until it is latched.

  • Page 7: Section 3 Operation

    Set appropriate timer to the required cook- 3.2 OPERATING PROCEDURES ing time (see Test Kitchen Bulletin #59). The ST-10 Pressureless Steam Cooker defrosts Turn off buzzer, which sounds to indicate frozen foods and cooks fresh and defrosted foods. cooking is complete, by setting timer dial (1) Each cooking compartment permits selection of to the OFF position.

  • Page 8: Drainage

    3.4.2 DRIP/SPILL TROUGH DRAINAGE The ST-10 Pressureless Steam Cooker has a drip/ spill trough below the cooking compartment door. It will catch any condensate gathering on the front of the unit when the door is opened.
  • Page 9 SECTION 3. OPERATION DIGITAL CONTROL PANEL NOTE: USER PROGRAMING OF THE TIMER CYCLE IS EASILY ACCOMPLISHED VIA A (12) BUTTON NUMERIC KEYPAD AND A (4) DIGIT NUMERIC LED DISPLAY. CONTROL START PROGRAMING: FIRST: Make sure doors are shut on both compartments. SECOND: Flip on POWER SWITCH, located in the middle of control panel to the ON position.

  • Page 10: Test Kitchen Bulletin

    SECTION 3. OPERATION 3.5 TEST KITCHEN BULLETIN Model ST-10 Pressureless Cooker Facts On Parade Frozen vegetables should always be cooked in perforated 12” x 20” x 2-1/2” pans 7-1/2 lbs (34kg) maximum per pan. Frozen entrees should be underlined with a perforated pan for best results. If they are defrosted first, the heating time will be decreased.
  • Page 11 SECTION 3. OPERATION The ST-10 Pressureless Cooker is a two compartment unit. Each compartment holds five 12” x 20” x 2-1/2” or three 12” x 20” x 4” pans. This unit enables the cook to prepare foods close to the time of service. The cooking ntimes given are timer settings and should be set on a preheated compartment.
  • Page 12 SECTION 3. OPERATION VEGETABLES APPROX. RECOMMENDED APPROX. NO. FROZEN 12” x 20” (1/1) TIMER COOKED WEIGHT PER PERFORATED NO. OF SETTINGS IN SERVINGS ITEM PANS MINUTES PER PAN lbs. Inches Servings Beans, 18-22 25-30 Snap Green or Wax Beets, 40-50 30-35 2”...
  • Page 13 SECTION 3. OPERATION MEAT - POULTRY - FISH APPROX. RECOMMENDED APPROX. NO. FROZEN 12” x 20” (1/1) TIMER COOKED WEIGHT PER PERFORATED NO. OF SETTINGS IN SERVINGS ITEM PANS MINUTES PER PAN lbs. Inches Servings Chicken, 20-30 15-20 Cut up Protein Chicken, 3 each...

  • Page 14: Section 4 Principles Of Operation

    SECTION 4. PRINCIPLES OF OPERATION 4.1 GENERAL partment remains closed to prevent steam from The ST-10 Pressureless Steam Cooker consists entering. During operation, the appropriate inlet of two identical cooking compartments, one above solenoid valve is opened by activation of the con- the other, in a single cabinet assembly.

  • Page 15: Pictorial Diagram-Steam And Water Circuits

    SECTION 4. PRINCIPLES OF OPERATION Figure 4-1 Pictorial Diagram, Steam and Water Circuits 4.3.1.1 60 MINUTE TIMER/CONSTANT STEAM 4.3.1.3 BUZZER The timer contains a 120-volt AC synchronous The buzzer is an alarm device that operates by motor that drives a timing dial through a gear re- oscillation of a striker against the core of an elec- duction and clutch mechanism.

  • Page 16: Section 5 Trouble-Shooting

    SECTION 5. TROUBLE-SHOOTING 5.1 GENERAL 5.3 ELECTRICAL FAULT ISOLATION The information in this section is intended to assist Correction of an electrical failure first requires both the operator and service personnel in locat- isolation of the fault to a single circuit or compo- ing the general source of problems that may occur nent.

  • Page 17: Incoming Power

    SECTION 5. TROUBLE-SHOOTING PROBLEM PROBABLE CAUSE REMEDY Steam continues to flow into Timer contacts faulty. Replace timer. See subsec- compartment and/or buzzer tion 5.4.4. Buzzer faulty. fails to sound at end of timer Replace buzzer. See Sub- Faulty wiring. cycle. section 5.4.9.

  • Page 18: Electrical Fault Isolation Guide

    SECTION 5. TROUBLE-SHOOTING Table 5-2 ELECTRICAL FAULT ISOLATION GUIDE FAILURE FAULT LOCATION Will not operate in either CONSTANT STEAM or 60-MINUTE Incoming power. TIMER position. Timer. Door interlock switch. Wiring. Operating in CONSTANT STEAM position but not in 60-MINUTE 60-Minute timer. TIMER position.

  • Page 19: St-10 Wiring Diagram

    SECTION 5. TROUBLE-SHOOTING MODEL ST-10 ONLY Figure 5-1 ST-10 Wiring Diagram...
  • Page 20 SECTION 5. TROUBLE-SHOOTING Figure 5-1.2 ST-10, Wiring Diagram, Digital Controls...

  • Page 21: Door Interlock Switch

    SECTION 5. TROUBLE-SHOOTING Carefully check motor wire leads and tighten 5.4.7 INDICATOR LIGHTS loose connections. If the cooker compartment functions correctly, with the single exception that the indicator light fails to WARNING: light during operation, the fault is a defective indi- Use care while working with control panel.

  • Page 22: Cold Water Condenser Circuit

    As each lead is replaced, it should be checked for evidence of corrosion, and cleaned if necessary. All leads must be tightly attached so Figure 5-2 ST-10 Schematic Diagram as to provide a good electrical connection.

  • Page 23: St-10 Power-Plus Wiring Diagram

    SECTION 5. TROUBLE-SHOOTING MODEL ST-10 POWER-PLUS ONLY Figure 5-3 ST-10 Power-Plus Wiring Diagram...

  • Page 24: St-10 Power-Plus Schematic

    SECTION 5. TROUBLE-SHOOTING MODEL ST-10 POWER-PLUS ONLY Figure 5-4 ST-10 Power-Plus Schematic...

  • Page 25: Section 6 Maintenance

    DO NOT HOSE DOWN UNIT AS IT replaceable parts and associated exploded views CONTAINS ELECTRICAL COMPONENTS. of the ST-10 Cooker. In most cases, disassem- bly procedures will be obvious from the exploded 6.1 GENERAL views. Instructions follow for procedures that are This section contains both preventive and correc- not readily apparent.

  • Page 26: Door Gasket Replacement

    SECTION 6. MAINTENANCE 6.3.3 DOOR GASKET REPLACEMENT Access to all internal plumbing and electrical as- The cooking compartment door gaskets are made semblies is from the right side and right front. The of a silicone-type rubber material that is very du- left-side panel is removed by removing the bottom rable but subject to wear during normal operation.

  • Page 27: Section 7 Illustrated Parts List

    SECTION 7. ILLUSTRATED PARTS LIST 7.1 GENERAL This section contains a complete listing of all re- placeable parts of the Plus-Ten. For the purpose of parts identification, the unit is broken down into functional assemblies, and each assembly is shown in an exploded view that is keyed to the ac- companying parts list.

  • Page 28: Cabinet Assembly

    SECTION 7. ILLUSTRATED PARTS LIST Figure 7-1 Cabinet Assembly...

  • Page 29: Door Assembly

    10-9174 RELAY TUBE 91-6477 BRACKET, LINER HOLD DOWN 08-4978 BARB, 1/4” IPS FEMALE x 1/4” ID TUBE 08-4866 SPRAYER NOZZLE (MODEL ST-10 ONLY) 08-4833 REDUCING TEE, 1” x 1” x 1/4” IPS 08-1207 BARB, 1” IPS 91-7638 STIFFENER, BACK 91-7639...
  • Page 30 SECTION 7. ILLUSTRATED PARTS LIST Figure 7-2 Door Assembly ITEM PART DESCRIPTION QTY. 91-7692 OUTER DOOR 91-7694 INNER DOOR 91-7696 GASKET RETAINING PLATE 91-7783 DOOR GASKET 91-5745 DOOR HANDLE 09-1608 STRIKER 08-5027 MAGNET 91-5901 MAGNET BRACKET 08-4600 COMPRESSION SPRING...

  • Page 31: Control Panel Assembly

    SECTION 7. ILLUSTRATED PARTS LIST Figure 7-3 Control Panel Assembly ITEM PART DESCRIPTION QTY. 91-6489 CONTROL PANEL 91-7612 ARTWORK, CONTROL PANEL 08-6464 60 MINUTE TIMER 08-6541 TERMINAL STRIP 91-6471 BRACKET, TERMINAL STRIP 10-7395 BUZZER 08-3826 KNOB, TIMER 10-5052 LIGHT, RED...

  • Page 32: Condenser Assembly

    SECTION 7. ILLUSTRATED PARTS LIST Figure 7-4 Condenser Assembly ITEM PART DESCRIPTION QTY. 91-7640 CONDENSER BRACKET 08-4821 CONDENSER SOLENOID (MODEL ST-10 ONLY) 08-4864 HOSE BARB, 90 , 1/8” IPS (MODEL ST-10 ONLY) 08-5009 TEE, 1/8 IPS x 1/4 ID HOSE (MODEL ST-10 ONLY)

  • Page 33: Complete Condenser Assembly

    BRAIDED STAINLESS STEEL HOSE 2-1/2” 08-4864 HOSE BARB, 90 , 1/8” IPS 08-1206 HOSE CLAMP 08-7923 TEE 1/8” NPT 08-4890 HOSE COUPLER, 1/8 IPS x 1/4 ID 91-6491 GROMMET 08-4866 SPRAY NOZZLE (MODEL ST-10 ONLY) 08-4821 CONDENSER SOLENOID (MODEL ST-10 ONLY) 91-7640 CONDENSER BRACKET...

  • Page 34: St-10 Power-Plus

    SECTION 7. ILLUSTRATED PARTS LIST Figure 7-6 ST-10 Power-Plus ITEM PART DESCRIPTION QTY. 10-9175 RELAY SOCKET, (ONE PER COMPARTMENT) 10-9174 CUBE RELAY, (ONE PER COMPARTMENT) 08-6502 PRESSURE SWITCH 98-4206 POWER SUPPLY, 5 VDC 97-6455 TIME DELAY RELAY...

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