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Market Forge Industries ST10-2G Service Manual

Market Forge Industries ST10-2G Service Manual

Gas two compartment convection steamer with twin generators

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ST10-2G
GAS TWO COMPARTMENT CONVECTION STEAMER
WITH TWIN GENERATORS
PARTS AND SERVICE MANUAL
EFFECTIVE AUGUST 12, 2014
Superseding All Previous Parts Lists.
The Company reserves the right to make substitution in the event that items specified are not available.
ERRORS: Descriptive and/or typographic errors are subject to correction.
MARKET FORGE
Telephone: (802) 658-6600 Fax: (802) 860-3732
www.marketforge.com
P/N 14-0289 Rev A (8/14)

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Summary of Contents for Market Forge Industries ST10-2G

  • Page 1 ST10-2G GAS TWO COMPARTMENT CONVECTION STEAMER WITH TWIN GENERATORS PARTS AND SERVICE MANUAL EFFECTIVE AUGUST 12, 2014 Superseding All Previous Parts Lists. The Company reserves the right to make substitution in the event that items specified are not available. ERRORS: Descriptive and/or typographic errors are subject to correction.
  • Page 2: Table Of Contents

    CONTROL BOARD ..............18 AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 3: Wiring Diagrams

    WIRING DIAGRAMS AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 4 WIRING DIAGRAMS AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 5 WIRING DIAGRAMS AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 6 WIRING DIAGRAMS AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 7: Troubleshooting

    5. Buzzer fails to sound at end of 60-MINUTE TIMER mode. a. 60-minute timer contacts b. Buzzer c. Wiring 6. Steam flows continuously from boiler drain line. a. Thermostatic cooling valve needs adjusting b. Thermostatic cooling valve needs replacing c. Wiring AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 8 To confirm timer motor condition, proceed as follows: 1. Carefully check motor wire leads and tighten loose connections. WARNING Use care while working with control panel. Terminals carry 120 Volts. AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 9 Timer dial not turning. b. Faulty thermostat switch. b. Replace switch. c. Faulty timer motor. c. Replace timer. d. Faulty wiring. d. Inspect condition of wire and tight- ness of all connections. Correct as needed. AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 10 *NOTE: THESE PROBLEMS ARE AN INDICATION OF SEVER WATER CONDITIONS WHICH SHOULD BE CORRECTED IMMEDIATELY TO AVOID DAMAGE TO THE COMPONENTS AND PERFORMANCE OF THE STEAMER. CALL YOUR SERVICE AGENCY FOR ASSISTANCE. Got to www.mfii.com to find a service agency near you. AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 11: Adjustments

    Incorrect gas pressure. Check gas pressure at manifold, correct if necessary. 3. Flash back. Burning inside mixer tube. Reduce primary air. Incomplete combustion. Increase burner input. Sooting of burner. Increase primary air. Misallocated ignitor. Adjust ignitor. AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 12: Complete Exploded View

    COMPLETE EXPLODED VIEW AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 13 DOOR ASSEMBLY 97-6884 SCREW, 10-32 x 1” STAINLESS STEEL 97-6837 FLUE SUPPORT 97-6838 FLUE TOP 97-7314 FLUE 97-7315 DECAL, LEXAN - ST10-2G 97-6178 STRIKER (3498) 97-6302 WASHER, STAINLESS STEEL 97-6650 LOCK WASHER 97-5601 NUT, 1/2-20 UNF 97-6170 PILOT LIGHT – GREEN 97-6171 PILOT LIGHT –...
  • Page 14 97-6888 DRAIN BOX ASSEMBLY 97-7190 CONNECTOR, THERMOSTAT BULB 97-6889 CONNECTOR – DRAIN, 3/4” C x 3/4” MPT 97-6890 UNION ELBOW, 3/4” – DRAIN 97-6664 THERMO SWITCH, LOAD COMPENSATING * Not shown. ** Select as required. AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 15: Door Assembly

    SPACER, UPPER 97-7416 SPACER, LOWER 97-6261 DOOR BUSHING 97-6229 GASKET PLATE (2842) 97-6228 GASKET (2669) 97-6230 DOOR PANEL 97-6233 SCREW, 10-32 X 1/2” 97-6739 SCREW, 10-32 X 1/2” 97-6835 HINGE ROD (3977) * Not shown. AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 16: Burner Parts

    BURNER BRACKET ASSEMBLY 97-6901 BRACKER, PILOT ASSEMBLY 97-6902 PILOT BURNER, NATURAL GAS 97-6903 PILOT BURNER, PROPANE GAS 97-6904 BURNER COVER 97-6905 ORIFICE JET, NATURAL GAS, #52 97-6906 ORIFICE JET, PROPANE GAS, #61 ** Select as required. AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 17: Gas Assembly

    NIPPLE, 1/2 NPT x 2-1/8 LG. 97-6461 COMBINATION CONTROL VALVE, NATURAL 97-6462 COMBINATION CONTROL VALVE, PROPANE 09-4844 UNION ELBOW, 1/2 NPT 97-6908 SQUARE HEAD PIPE PLUG, 1/8 MPT 97-7323 MANIFOLD ASSEMBLY ** Select as required. AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 18: Control Board

    CONTROL BOARD AUGUST 12, 2014 ST10-2G STEAMER...
  • Page 19 GLASS FUSE, 2 AMP, 120V **12 98-6134 GLASS FUSE, 1 AMP, 208-240V 97-5864 FUSE HOLDER **14 97-5948 LEVEL CONTROL BOARD, 10k OHM, 120V **14 97-6200 LEVEL CONTROL BOARD, 1 M OHM, 208-240V ** Select as required. AUGUST 12, 2014 ST10-2G STEAMER...