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OWNER’S MANUAL
TM
STEAM-TECH
ELECTRIC STEAM COOKER
MODELS: ST-3E
ST-6E
INSTALLATION, OPERATION, MAINTENANCE, SERVICE AND PARTS MANUAL
An Employee Owned Company
35 Garvey Street • Everett • MA 02149
Tel: (617) 387-4100 • Fax: (617) 387-4456 • Toll Free: (866) 698-3188 • Outside MA Fax: (800) 227-2659
E-mail: custserv@mfii.com • Web site: www.mfii.com
FORM NO. S-2470 REV. A 08/06 Printed in U. S. A.
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TABLE OF CONTENTS INTRODUCTION FILL/COLD WATER INLET .......................................13 DESCRIPTION .........................................................1 PREHEATING & STANDBY .....................................13 BASIC FUNCTIONING .............................................1 STEAM GENERATOR ..............................................13 SERVICE ..................................................................1 HOLD FEATURE (OPTION) ....................................
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INTRODUCTION DESCRIPTION: for the duration of time you have set. Once the timer The Steam-Tech represents the latest in counter top reaches the end of its cycle (0 minutes) the buzzer will steam technology, designed to apply the benefits of sound. The buzzer is silenced by returning the timer steam cooking to today’s health-conscious menus. Ideal knob to the “off” position, which ceases the steaming for batch cooking, à-la-carte and rethermalization of function. The generator will cont
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INSTALLATION ASSEMBLY: The assembled Steam-Tech™ Pressureless Steam ELECTRICAL CHARACTERISTICS Cooker is shipped in a carton on a skid. Steps required Electrical connection power supply should utilize wire for assembly are as follows: suitable for 90°C. 1. Remove the carton and the unit off the skid. ST-3E ST-6E 2. Install the feet into the threaded mounting locations (9 kW) (14 kW) on the bottom of the unit. VOLTS (AC) 1 pH 3 pH 1 pH 3 pH 3. Mount the left and right pan support racks on the
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INSTALLATION latch mounting holes, and insert them into the right door latch mounting holes (where the door latch as- 20.4" sembly was originally mounted). 518mm 15.8" 13. Rotate the door latch assembly 180°, and install into 400mm the left door latch mounting holes. (NOTE: Each stud 3" 76mm on the latch assembly should have a plastic washer, 5 Pan a spring, a plastic washer and a Nyloc type nut.) E - Electrical Connection 23.2" CW - Cold Water 2" 589mm 14. To adjust the tension of the d
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INTRODUCTION 21. Square the door to the unit by raising or lowering the ing care not to move it out of position. hinge side of the door, keeping the latch centered 24. Tighten all 4 door hinge bracket mounting screws. with the striker. 25. Close and visually inspect the door again, as de- 22. 22. Visually inspect the door. Be sure that the door scribed in step 22. is square to the unit, the striker is centered with the 26. Reinstall the left and right side panels, using the latch, and the g
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INSTALLATION Fig. 4 Mechanical Wiring Diagram 5
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INSTALLATION Fig. 5 Digital Wiring Diagram 6
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INITIAL SYSTEMS INSPECTIONS GENERAL: test the “hold” feature, use the following procedure: This section contains information for you to test and fa- miliarize yourself with the operation of the Steam-Tech. Step 1: With a cold compartment, turn power switch to After the cooker is completely assembled, all packag- “on.” ing materials removed, and all service connections are Step 2: Immediately put the mode selector to “hold.” made, all systems must be given a thorough check-out Step 3: After 3 mi
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OPERATION COOKING - MECHANICAL CONTROLS: 1. Close the door NOTE: THE GREEN STEAMER READY LIGHT MUST 2. Move mode selector switch to the “constant steam BE ON BEFORE ANY CONTROLS BECOME OPERA- position”. TIONAL. 3. To exit “constant steam”, move mode selector switch 1. Slide pans of food into the cooking compartment to the “timed steam”. pan support racks. For timed steam cooking, do the following: 2. Firmly close the cooking compartment door. 1. Place the mode switch to the “timed steam” po
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OPERATION DAILY CLEANING: tor needs to be cleaned. Your steamer permits you to After each period of daily operation (more frequently as quickly clean the generator. The cleaning sequence is required to maintain cleanliness) the cooker should be as follows: thoroughly cleaned by completing the following steps: • The red “CLEAN” light illuminates when scale builds- up in the tank and on the heating element 1. Remove the baffle, and left and right side pan sup- port racks by lifting them up off
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OPERATION Fig. 6 Mechanical Timer (Control Panel) 10
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OPERATION Fig. 7 Mechanical Timer with Hold (Control Panel) 11
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OPERATION Fig. 8 Digital Timer (Control Panel) 12
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PRINCIPLES OF OPERATION GENERAL: generation of steam when it is called for. When steam is The Steam-Tech represents the latest in counter top called for, a circuit is closed which activates a relay. This steam technology, designed to apply the benefits of steam relay closes the 208v, 240v, or 480v circuit which sup- cooking to today’s health-conscious menus. A “close- plies power to the heater. The generator now begins to coupled” steam generator system gives quick start-ups create steam. S
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TROUBLE-SHOOTING GENERAL: WARNING: WHEN YOU TURN THE POWER The information in this section is intended to assist the ON, THERE ARE TERMINALS THAT CARRY 120 operator, maintenance and the service personnel in lo- VOLTS. PROTECT THE ENDS OF THESE DIS- cating the source of problems which may occur with the CONNECTED WIRES TO PREVENT SHORTING cooker. Before following any of the procedures given TO HOT LEADS. in this section, the operator/maintenance person should be thoroughly familiar
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TROUBLE-SHOOTING Fig. 9 Water Level Control Board 15
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TROUBLE-SHOOTING TROUBLE PROBABLE CAUSE REMEDY POWER light does not come on when 1. No 120v power to unit. 1. Be sure 120v power supply is on. the POWER switch is pressed into the 2. Fuse blown. 2. Replace fuse. ON position 3. Faulty POWER switch. 3. Check/replace POWER switch (P/n 08-6549). Water enters the steam generator very 1. Dirty strainer screen in the water fill 1. Clean/replace strainer screen. slowly. solenoid valve. 2. Clean valve seat. 2. Dirt or lime accumulation on seat of
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TROUBLE-SHOOTING TROUBLE PROBABLE CAUSE REMEDY Generator doesn’t drain when the POW- 1. Clogged or kinked generator drain 1. Check to be sure that the generator ER switch is pressed into the OFF posi- line. drain line is not kinked and is free tion. of debris. 2. Clogged generator drain hole. 2. Check to be sure the generator 3. Faulty generator solenoid drain drain hole is free of debris. valve. 3. Rebuild or replace generator sole- noid drain valve (P/n 08-5021). CLEAN GENERATOR light s
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MAINTENANCE tomatic indicator light which tells you when the steam front of the unit. generator needs to be cleaned. CAUTION: BE SURE TO DISCONNECT THE POWER CLEANING INSTRUCTIONS: SUPPLY FROM THE UNIT BEFORE SERVICING ANY The cleaning sequence is as follows: ELECTRICAL COMPONENTS. • The red “CLEAN” light illuminates when scale builds- Procedure: up in the tank and on the heating element 1. Remove the 6 screws that fasten the control panel assembly onto the front of the unit. • When the uni
