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Market Forge Industries STHE-12-TGG, Инструкция по установке и эксплуатации

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INSTALLATION AND OPERATION MANUAL AND PARTS LIST, 

MODELS:  STHE-7-TGG, STHE-12-TGG, STHE-16-TGG

PART NUMBER 10225R0

25

    2010-09-07

6.0  TROUBLESHOOTING

GENERAL

The information in this section is intended to assist both the operator and service personnel in
locating the general source of problems that may occur with the cooker.  Before following any of
the procedures given in this section, the operator should be thoroughly familiar with the
operating instructions and the function of all controls that are described.  If the problem cannot
be readily corrected, the operator should contact the nearest service agency for assistance.

The electrical troubleshooting procedures that follow require access to components and
terminals of the electrical control panel.  Electrical controls are reached by removing screws
that fasten the control panel to the frame.  The panel may be pulled forward for testing while
interconnected to the cooker circuits or disconnected at the pin connection for complete
removal and repair.

INCOMING POWER

Before troubleshooting any of the electrical parts or assemblies, verify that power is being
supplied to the cooker.  Incoming power is connected to the terminal block in the upper controls
section, accessible by the right side panel.  With power connected to the cooker, an AC volt-
meter is used to measure 120 volts across L1 and L2.  If 120 volts is present, and the cooker
will not operate, the fault lies within the electrical circuits of the cooker.

WARNING:  Before removing control panel or checking connections
and wiring, be sure that the circuit breaker for incoming power is
OFF.  When power is supplied, all exposed terminals of the control
panel carry 120 Volts

.

ELECTRICAL FAULT ISOLATION

Correction of an electrical failure first requires isolation of the fault to a single circuit or
component.  In most cases, the nature of the failure and its effect upon the operation of the
cooker will be sufficient to narrow it down to one or more circuit elements.  See “Electrical Fault
Isolation Guide” for isolating electrical faults.

ELECTRICAL TROUBLESHOOTING PROCEDURES

Before performing the troubleshooting procedures in this section, the serviceman must be
familiar with the function of all controls as described as well as with the Principles of Operation.

Содержание STHE-12-TGG

Страница 1: ...e 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 INSTALLATION AND OPERATION MANUAL AND PARTS LIST GAS FIRED STEAMER MODELS STHE 7 TGG STHE 12 TGG STHE 16 TGG PRINTED IN CANADA ...

Страница 2: ...a prominent location This information shall be obtained by consulting the local gas supplier IMPORTANT Do not attempt to operate this unit in the event of power failure Adequate clearances must be maintained for safe and proper operation The appliance area must be kept free and clear of combustibles Do not obstruct the flow of combustion and ventilation air Contact the factory the factory represen...

Страница 3: ...2 TGG STHE 16 TGG PART NUMBER 10225R0 3 2010 09 07 TABLE OF CONTENTS DESCRIPTION PAGE 1 0 SERVICE CONNECTIONS 4 2 0 INTRODUCTION 5 3 0 PERFORMANCE CHECK 12 4 0 OPERATION INSTRUCTIONS 13 5 0 PREVENTIVE MAINTENANCE 23 6 0 TROUBLESHOOTING 25 7 0 MAINTENANCE 33 8 0 PARTS LIST 34 ...

Страница 4: ...INSTALLATION AND OPERATION MANUAL AND PARTS LIST MODELS STHE 7 TGG STHE 12 TGG STHE 16 TGG PART NUMBER 10225R0 4 2010 09 07 1 0 SERVICE CONNECTIONS ...

Страница 5: ...rated with only one compartment in use or both may be used simultaneously Each compartment is equipped with identical controls allowing selection of constant steam or 60 minute timer operation The cooker becomes operational when it is set to constant steam or the timer is set at the desired cooking time and the compartment door is closed When steam flowing inside the compartment has raised the int...

Страница 6: ...emitted when the cooker doors are opened and exhaust fumes Level the unit in final location by turning the adjustable feet Using the cabinet top as a reference obtain level adjustment left to right and front to back MECHANICAL CONNECTIONS Since the Pressureless Cooker is interconnected at the factory to the steam boiler no field connections to the cooker are required All electrical and plumbing co...

Страница 7: ... C22 2 WARNING Electrical grounding instructions Units come equipped with a three prong grounding plug for your protection against shock hazard and should be plugged directly into a properly grounded three prong receptacle Do not cut or remove the grounding prong from this plug 120 VOLT UNITS ONLY WIRING DIAGRAM FOR APPLIANCE IS LOCATED ON RIGHT HAND SIDE PANEL OF THE COOKER CABINET 2 1 EXHAUST FA...

Страница 8: ...ck WARNING These procedures must be followed by qualified personnel or warranty will be voided An open gap floor drain is required immediately below the appliance drain To Install 1 Uncrate carefully Report any freight damage to the freight company immediately 2 Set the unit in place Be certain to maintain the minimum clearances from combustibles and non combustibles 3 For an appliance supplied wi...

Страница 9: ...ne gas is recommended With all units operating simultaneously the manifold pressure on all units should not show any appreciable drop Fluctuations of more that 25 on natural gas and 10 on propane gas will create problems affecting burner operation Contact your gas company for correct supply line sizes Purge the supply line to clean out any dust dirt or other foreign matter before connecting the li...

Страница 10: ...wo water lines are provided Connect water supply lines to the 3 8 copper tubes at the rear of the steamer One line is for supply of water to the generator and one for cold condensate water to condense live steam entering the drain line DRAIN CONNECTIONS Appliance drain is 2 inch pipe size Provide open air gap type drain WARNING An open gap floor drain is required immediately below the appliance dr...

Страница 11: ...rent maximum drainage temperature Refer to next section Performance Check for instructions to set the TCV WATER CONDITIONING It is important that the water supplied to the generator be softened to no more than 2 0 grains of hardness and have a pH of 7 0 to 8 5 This degree of hardness can be easily obtained with the use of a properly maintained water softener The use of a water meter will determine...

Страница 12: ...e and steam should be heard entering the compartment shortly after 6 After five minutes of operation check that water from the cold water condenser is flowing through the drain line 7 Open compartment door and observe that steam supply to compartment is cut off READY light should again come on as COOKING light turns OFF 8 Close compartment door and observe cooker operation for several minutes Oper...

Страница 13: ...come on and should remain on until the ready light comes on 5 Cooker is now ready for use Your steamer has been factory set when ON to maintain water temperature during the READY phase at approximately 205º Fahrenheit 97º Celsius just below water boiling point WARNING In the event of main burner ignition failure a 5 minute purge period must be observed prior to re establishing ignition source WARN...

Страница 14: ...te a thermostatic switch included in the controls 3 Turn off buzzer which sounds to indicate cooking is complete by setting the Timer Dial 1 to OFF position COOKING Before loading the cooker be sure compartment is hot See preheating instructions 1 Slide pans of food into cooking compartment pan supports 2 Close cooking compartment door 3 Set timer cooking time a CONSTANT STEAM for continuous cooki...

Страница 15: ...EANING After each period of daily operation more frequently as required to maintain cleanliness the cooker should be thoroughly cleaned by completing the following steps 1 Remove left and right side pan supports and drain screens by lifting up and off mounting studs Remove drain screen by pulling straight out Wash with a mild detergent Rinse and set aside for reassembly 2 Wash cooking compartment ...

Страница 16: ...am generator tank 2 Ready Pilot Light When lit indicates steam generator has reached 205º Fahrenheit 97º Celsius and is ready for the cooking cycle 3 Cooking Pilot Light When lit indicates that a cooking cycle is in progress 4 Timer Constant Steam Set the cooking time 0 to 60 minutes steam cooking will begin when the door is closed The cooking cycle will be interrupted if the door is opened during...

Страница 17: ...hich adapts the unit to the proper cooking time This means that the total time will usually be longer than the time setting 5 There is a safety microswitch on the door which shuts off the steam each time the door is opened if the unit is in the cooking cycle 6 Both compartments may be filled and timers set simultaneously 7 Total cooking time will vary depending on the load even though the timer se...

Страница 18: ...uid is to be retained and perforated pans when the liquid is not to be retained 19 Eggs may be cooked out of the shell if they are to be chopped which eliminates peeling after steaming 20 The steam cooker can be opened during the cooking period to add or remove items 21 Steam cooking information including recommended pan size and type weight per pan cooking times and pan yields are given on the fo...

Страница 19: ...Bulletin 13 gives direction 3 lbs 1 4 kg 4 65 mm 1 2 18 22 40 45 115 g FROZEN VEGETABLES ITEM APPROXIMATE FROZEN WEIGHT PER PAN RECOMMENDED 12 X 20 1 1 PERFORATED PAN NUMBER OF PANS TIMER SETTINGS IN MINUTES APPROXIMATE NUMBER COOKED SERVINGS PER PAN Asparagus Spears 7 lbs 3 4 kg 2 65 mm 1 3 12 15 30 3 oz 85 g Beans Green Regular 6 lbs 2 7 kg 2 65 mm 1 3 10 15 25 3 oz 85 g Beans Green French Cut 6...

Страница 20: ... oz 85 g FROZEN PREPARED ENTREES ITEM WEIGHT PER PAN RECOMMENDED 12 X 20 1 1 PERFORATED PAN NUMBER OF PANS TIMER SETTINGS IN MINUTES APPROXIMATE NUMBER COOKED SERVINGS PER PAN Lobster Tails 6 8 oz 170 255 g 7 8 lbs 3 2 3 6 kg 2 65 mm 1 3 15 25 15 6 oz 170 g Shrimp C D P 16 20 lbs 7 9 kg 2 65 mm 1 3 8 11 75 3 oz 85 g Shrimp Raw 16 20 lbs 7 9 kg 2 65 mm 1 3 11 15 50 3 oz 85 g Bulk Pack Frozen 3 4 lb...

Страница 21: ...18 21 35 40 3 oz 85 g Cauliflower Trimmed 1 2 38 50 mm 6 lbs 2 7 kg 2 65 mm 1 3 12 16 30 35 3 oz 85 g Corn on Cob Husked 1 dozen 2 65 mm 1 3 10 15 12 Cabbage 1 4 1 6 of Head Cored 5 lbs 2 25 kg 2 65 mm 1 3 14 18 15 20 4 oz 115 g Onions 2 50 mm Diameter 6 lbs 2 7 kg 2 65 mm 1 3 20 25 25 30 4 oz 85 g Peas Shelled 5 lbs 2 25 kg 2 65 mm 1 3 5 6 25 30 3 oz 85 g Potatoes French Fry Cut 10 lbs 4 5 kg 2 6...

Страница 22: ... Whole 3 each 4 100 mm 1 3 45 50 25 30 2 oz Protein 55 g Fowl 5 lbs or more Whole 2 each 4 100 mm 1 3 50 60 20 25 2 oz Protein 55 g Fish Fillets 3 lbs 1 4 kg 2 65 mm 1 3 10 15 12 15 2 oz 55 g Frankfurters 5 lbs 2 3 kg 2 65 mm 1 3 3 5 35 40 2 oz 55 g Hamburgers 3 oz 85 g 5 lbs 2 3 kg 2 65 mm 1 3 18 22 20 25 2 oz Protein 55 g Meatballs 1 oz 30 g size 6 lbs 2 7 kg 2 65 mm 1 3 20 25 20 25 2 oz Protein...

Страница 23: ... continued trouble free operation of the cooker CAUTION Under no circumstances should hardware or parts be replaced with a different length size or type other than as specified in the parts list The hardware used in the cooker has been selected or designed specifically for its application and the use of other hardware may damage the equipment and will void any warranty WARNING The steamer and its ...

Страница 24: ...r by setting on off switch to OFF Set cooking timer to 0 2 Set on off switch to DELIME 3 Unscrew deliming port located in front of generator Screw in the supplied deliming funnel Make sure funnel is in upright position Pour 200 ounces of solution into generator slowly to avoid spillage Remove funnel and screw in delime port cap securely Turn on off switch to ON Use a towel to protect the burners b...

Страница 25: ...leshooting any of the electrical parts or assemblies verify that power is being supplied to the cooker Incoming power is connected to the terminal block in the upper controls section accessible by the right side panel With power connected to the cooker an AC volt meter is used to measure 120 volts across L1 and L2 If 120 volts is present and the cooker will not operate the fault lies within the el...

Страница 26: ...ion of all wiring connections To access electrical components remove the right side access panel on the upper cabinet Check all wiring connections by hand to assure that both ends of all connection points are tightly secured Use a screwdriver to tighten connection points If necessary visually inspect all quick disconnect terminals for evidence of corrosion Terminals in this condition should be sep...

Страница 27: ...ition of wire and tightness of all connections Correct as needed 3 STEAM ENTERS COMPARTMENT CONTINUOUSLY TIMER DIAL NOT TURNING a Constant steam position Move knob to timing location b Faulty thermostatic switch Replace switch c Faulty timer motor Replace timer d Faulty wiring Inspect condition of wire and tightness of all connections Correct as needed 4 STEAM CONTINUES TO FLOW INTO COMPARTMENT AN...

Страница 28: ... IN 60 MINUTE TIMER POSITION a 60 Minute timer b Wiring 3 OPERATES IN 60 MINUTE TIMER POSITION BUT NOT IN CONSTANT STEAM POSITION a Timer b Wiring 4 WITH INDICATOR LIGHT ON AND STEAM SOLENOID VALVE OPEN TIMER DIAL FAILS TO TURN a Compartment thermostatic switch b Constant steam position c Timer motor d Wiring 5 BUZZER FAILS TO SOUND AT END OF 60 MINUTE TIMER MODE a 60 Minute timer contacts b Buzze...

Страница 29: ... Minute position an audible click indicates correct position If zero ohm reading cannot be obtained the timer is defective and must be replaced 7 Remove ohmmeter and replace all five leads on timer terminals Timer Motor A defective timer motor will cause continuous operation in the TIME mode with the timer dial failing to return to the 0 Minute position Since thermostatic switch failure can cause ...

Страница 30: ...ive light is verified by using an AC volt meter at the leads with input power on the selector switch in the correct position for that timer the timer set and the door latches closed If 120 volts is present the fault is in the indicator light and requires replacement If 120 volts is not present the fault is in the wiring or control components selector switch timer or door switch Cooking Compartment...

Страница 31: ...ightly attached so as to provide a good electrical connection PROBLEM PROBABLE CAUSE REMEDY 1 DOOR LEAKS a Damaged Door Gasket Check gasket for cuts and re place b Door latch Adjust tension c Door hand Adjust tension 2 WATER FLOWS INTO COOKING COMPARTMENT a Level probe short circuited Check and correct b Scale build up on probe Clean all probes c Water fill solenoid valve Plugged defective clean o...

Страница 32: ...trol knob is in the ON position check that 120 volts is at the gas valve 2 BURNERS PRODUCE CARBON DEPOSITS a Incorrect orifice size Check size and correct b Incorrect gas supply Check size and correct c Incorrect gas pressure Check gas pressure at manifold correct if necessary 3 FLASH BACK a Burning inside mixer tube Reduce primary air b Incomplete combustion Increase burner input c Sooting of bur...

Страница 33: ... replace the new gasket 4 Re install gasket retaining plate with screws 5 The door will be very difficult to close initially Firmly slam the door to close The gasket will set in about an hour enabling the door to close easily thereafter Exterior Panel Removal WARNING To prevent hazard in servicing the cooker be certain that the steam supply boiler is shut down the cold water shut off valve is clos...

Страница 34: ...INSTALLATION AND OPERATION MANUAL AND PARTS LIST MODELS STHE 7 TGG STHE 12 TGG STHE 16 TGG PART NUMBER 10225R0 34 2010 09 07 8 0 PARTS LIST FIGURE 1 ...

Страница 35: ...076 8 Door Assembly 2 8 5076 7 Door Assembly Lower Compartment 1 8 5076 9 Upper Compartment 1 4251 1 Door Assembly 2 3 8 5101 5 Hinge Rod 3977 1 4247 1 Hinge Rod 1 3977 1 Hinge Rod 3977 1 4 5116 1 Flue Support 2 2 2 5 6714 1 Flue Top 2 2 2 6 1344 1 Flue 2 1344 5 Flue 2 1344 3 Flue 2 7 7863 1 Decal 1 7862 1 Decal 1 7864 1 Decal 1 8 8 5021 Striker 3498 2 2 2 8 5022 Washer Stainless Steel 2 2 2 1 90S...

Страница 36: ...8 MPT 4 4 4 16 5281 1 Steam Diverters 4 8 8 17 4721 1 Rack Hanger Assembly 8 8 8 18 5224 2 Compartment Strainer 2 2 2 19 2 686C Thermostat Fitting 2 2 2 20 4874 3 High Limit Thermostat 2 2 2 5299 2 High Limit Thermostat Cover 2 2 2 21 3 6912E Elbow Blowdown 3 4 C x 3 4 MPT 4 4 4 22 3 S543 Blowdown Valve 3 4 C x 3 4 MPT 2 2 2 23 3 121C Brass Plug 3 8 MPT 2 2 2 24 3 124C 45 Brass St Elbow 3 8 MPT 2 ...

Страница 37: ...oor Assembly 1 1 5772 3 Cabinet Door Assembly Left Hand 1 5772 4 Cabinet Door Assembly Right Hand 1 32 1 34S4 Screw 10 32 x 1 2 Stainless Steel 28 28 28 33 2859 1 Side Riser Panel 2 2 2835 1 Side Riser Panel 2 34 9012 3 Street Elbow 1 2 3 3 3 35 5188 1 Combination Control Natural Gas 2 2 2 5188 2 Combination Control LP 2 2 2 36 3 U4BE Union Elbow 1 2 2 2 2 37 9010 030 Nipple 3 4 x 3 1 1 1 38 9012 ...

Страница 38: ...tor 3 8 C x 1 8 MPT 1 1 1 46 3 726A Tee 3 8 C x 3 8 C x 1 8 MPT 1 1 1 47 3 696D Elbow 3 8 C x 1 2 MPT 1 1 1 48 5444 1 Thermostatic Cooling Valve 1 1 1 5376 1 Cooling Valve Bracket 1 1 1 49 3738 10 Probe 2 2 2 2 50 3738 11 Probe 2 1 2 2 2 2 51 3738 12 Probe 3 2 2 2 52 5286 1 Relief Valve 5 psi 2 2 2 53 3 776 Water Fill Bulk Head 3 8 C 2 2 2 54 5233 1 Gas Supply Pipe 3 4 x 9 13 16 1 1 1 55 6765 3 Ri...

Страница 39: ...012E Elbow 3 4 C x 3 4 FPT 8 8 8 3 100E Brass Elbow 3 4 4 60 9 3213 Door Switch 2 2 2 9 3336 Actuator Pin c w Clip 2 2 2 61 5420 1 Flue Cover 1 3933 1 Flue Cover 1 5420 3 Flue Cover 1 62 8 5108 Top Panel 1 1 8 5108 6 Top Panel 1 63 6768 1 Front Riser Panel 1 1 2833 1 Front Riser Panel 1 64 1 34S8 Screw 10 32 x 1 Stainless Steel 6 6 6 65 1 33C4 Screw 10 32 x 1 2 Plated 4 4 4 66 1 53S4 Screw 1 4 20 ...

Страница 40: ...PTION QUANTITY STHE 7 TGG STHE 12 TGG STHE 16 TGG PART NUMBER 10225R0 40 2010 09 07 69 3 686D Connector 2 2 2 70 3 6812E Connector Drain 3 4C x 3 4 MPT 4 4 4 71 3 U6BE Union Elbow 3 4 Drain 2 2 2 72 5784 1 Relief Valve Extension 2 2 2 73 3 TS01 Thermo Switch Inside Compartment 2 2 2 NOT SHOWN SELECT AS REQUIRED ...

Страница 41: ...INSTALLATION AND OPERATION MANUAL AND PARTS LIST MODELS STHE 7 TGG STHE 12 TGG STHE 16 TGG PART NUMBER 10225R0 41 2010 09 07 FIGURE 2 ...

Страница 42: ... 1 Door Frame 2 2 3903 2 Door Handle Assembly 3903 2 2 2 3646 1 Decal 2 2 2 3 8 5068 9 Latch Assembly 3900 2 2 2 4A 5716 1 Spacer Upper 2 2 4249 1 Spacer Upper 2 4B 5717 1 Spacer Lower 2 2 4250 1 Spacer Lower 2 5 8 5078 Door Bushing 8 8 4248 1 Door Bushing 8 6 8 5064 7 Gasket Plate Bottom 1 8 5064 8 Gasket Plate 2842 2 8 5064 9 Gasket Plate Top 1 8 5064 6 Gasket Plate 2 7 8 5063 8 Gasket 2669 2 8 ...

Страница 43: ... TGG STHE 16 TGG ITEM PART NO DESCRIPTION QUANTITY STHE 7 TGG STHE 12 TGG STHE 16 TGG PART NUMBER 10225R0 43 2010 09 07 8 8 5065 8 Door Panel 2 8 5065 9 Door Panel Top 1 8 5065 6 Door Panel 2 9 9 1011 1 Screw 10 32 x 1 2 16 16 24 10 1 34S4 Screw 10 32 x 1 2 12 12 12 NOT SHOWN ...

Страница 44: ...INSTALLATION AND OPERATION MANUAL AND PARTS LIST MODELS STHE 7 TGG STHE 12 TGG STHE 16 TGG PART NUMBER 10225R0 44 2010 09 07 BURNER PARTS FIGURE 3 ...

Страница 45: ...024 Pilot Burner Natural Gas 2 2 2 5171 016 Pilot Burner Propane Gas 2 2 2 4 5593 1 Burner Cover 2 2 2 5 4951 52 Orifice Jet Natural Gas 52 16 16 4951 53 Orifice Jet Natural Gas 53 8 4951 55 Orifice Jet Natural Gas 55 8 4951 61 Orifice Jet Propane Gas 61 16 16 4951 64 Orifice Jet Propane Gas 64 8 4951 67 Orifice Jet Propane Gas 67 8 6 3 109C Square Head Pipe Plug 1 8 MPT 2 2 2 7 7280 1 Manifold As...

Страница 46: ...INSTALLATION AND OPERATION MANUAL AND PARTS LIST MODELS STHE 7 TGG STHE 12 TGG STHE 16 TGG PART NUMBER 10225R0 46 2010 09 07 FIGURE 4 ...

Страница 47: ... Module Intermittent Pilot 2 2 1 5 9123 1 Transformer 115 230V 24V CT 2 2 2 6 4 35EU Ground Lug 1 1 1 7 4 22TB Terminal Block 2 2 2 8 4 22ES Terminal Block End Section 1 1 1 9 9 3175 1 Relay SPDT 120V 4 4 4 10 9 3174 1 Relay DPDT 120V 2 2 2 11 4 T265 Transformer 240 480V 120V 50 60 Hz 2 2 2 12 9092 2 Glass Fuse 2 AMP 120V 2 2 2 9092 1 Glass Fuse 1 AMP 208 240V 2 2 2 13 9068 1 Fuse Holder 2 2 2 14 ...

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