OPERATOR MANUAL IMPORTANT INFORMATION, KEEP FOR OPERATOR This manual provides information for: MODEL HY-6G(CE) HYPERSTEAM™ ATMOSPHERIC CONVECTION STEAMER INTERNATIONAL · Self Contained · Gas · Capacity: 6 Steamer Pans (12” x 20” x 2-1/2”) THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ, UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS CONTAINED IN THIS MANUAL. WARNING / FOR YOUR SAFETY and liquids in the vicinity of this or any other appliance.
IMPORTANT - READ FIRST - IMPORTANT IT IS MOST IMPORTANT THAT THESE INSTRUCTIONS AND THE OPERATOR AND SERVICE MANUALS BE CONSULTED BEFORE INSTALLING AND COMMISSIONING THE APPLIANCE. FAILURE TO COMPLY WITH SPECIFIED PROCEDURES MAY RESULT IN DAMAGE OR THE NEED FOR A SERVICE CALL. THESE APPLIANCES HAVE BEEN CE MARKED ON THE BASIS OF COMPLIANCE WITH THE GAS APPLIANCE DIRECTIVE, EMC AND LOW VOLTAGE DIRECTIVE FOR THE COUNTRIES, GAS TYPES AND PRESSURES AS STATED ON THE DATA PLATE.
Table of Contents Important Operator Warnings ........................................................ page 2 References.................................................................................... page 3 Equipment Description.................................................................. page 4 Water Quality and Treatment .......................................................... page 5 Inspection and Unpacking ............................................................ page 6 Installation .....
Equipment Description Your Groen HY-6G (CE) HyPerSteam Convection Steamer is designed to give years of service. It has two stainless steel cavities (cooking chambers) which are served by twin, independent atmospheric steam generators which are gas-heated. A powerful blower circulates the steam in each cavity to increase heating efficiency. Each cavity holds up to three steam table pans (305 x 508 x 64 mm). A 1.
Water Quality & Treatment It is essential to supply the steam generator with water that will not form scale or cause corrosion. Even though the steam generator is engineered to minimize scale formation and the effects of corrosion, their development depends on the quality of your water and the number of hours per day you operate the equipment. Most water supplies are full of minerals and chemicals which are not suitable for use in a steam generator. Water quality varies from state to state and city to city.
Inspection & Unpacking CAUTION SHIPPING STRAPS ARE UNDER TENSION AND CAN SNAP BACK WHEN CUT. CAUTION THIS UNIT WEIGHS 550 LBS. (250 KG). GET HELP AS NEEDED AND USE MATERIAL HANDLING EQUIPMENT TO MOVE IT. Your HY-6G HyPerSteam will be delivered completely assembled in a heavy shipping carton and attached to a skid. On receipt, inspect the carton carefully for exterior damage. Carefully cut the straps around the carton and detach the sides of the carton from the skid. Be careful to avoid personal injury.
Installation WARNING THE UNIT MUST BE INSTALLED BY PERSONNEL WHO ARE QUALIFIED TO WORK WITH ELECTRICITY AND PLUMBING. IMPROPER INSTALLATION CAN CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE EQUIPMENT. THE UNIT MUST BE INSTALLED IN ACCORDANCE WITH APPLICABLE CODES. CAUTION DO NOT INSTALL THE UNIT WITH THE RIGHT SIDE VENTS BLOCKED OR WITHIN 30 CENTIMETERS OF A HEAT SOURCE (SUCH AS A BRAISING PAN, DEEP FRYER, CHAR BROILER, OR KETTLE).
Installation Installation pipe work must be fitted in accordance with IGE/UP/2. GAS INPUT RATE BTU/HR & KW HY-6G(CE) Natural Gas 9.25 mBar (3.7 in. W.C.) Propane Gas 26.25 mBar (10.5 in. W.C.) The appliance governor is suitable for both natural and propane gas without conversion. The governor is incorporated in the gas control valve, which is inside the control cabinet.
Installation 5. Burner Air Adjustment The unit is equipped with fixed aeration type burners which have no provision for air inlet adjustment. 6. Equipotential Terminal In accordance with national regulations, each unit is fitted with an equipotential terminal. 7. Water Supply Connection (Treated Water) The HY-6G CE model is fitted for a 3/4 inch B.S.P.T. cold water connection. The water supply must be provided at a rate of not less than 2.7 liters (0.70 gallons) per minute. Pressure must be 2.0 to 4.
Initial Start-Up WARNING WHEN YOU OPEN THE DOOR, STAY AWAY FROM STEAM COMING OUT OF THE UNIT. THE STEAM CAN CAUSE BURNS. After the HY-6G(CE) Steamer has been installed, test it to ensure that the unit is operating correctly. 1. Remove all literature and packing materials from the interior and exterior of the unit. 2. Make sure the water supply line is open. 3. Make sure that the gas supply line is open and that the manual knob on the main gas valve is turned to the “on” position.
Initial Start-Up 11. Automatic Operation of Pilot Once the pilot burner is lit, it essentially functions as a standing pilot. In this state, if the pilot is accidentally extinguished (by a very strong gust of wind for example), it will re-ignite automatically. The unit will completely shut down for a few seconds while the pilot is re-ignited. Then the unit will come back on and resume operation in the mode and with the (running) timer value existing just prior to shutdown.
Operation WARNING ANY POTENTIAL USER OF THE EQUIPMENT SHOULD BE TRAINED IN SAFE AND CORRECT OPERATING PROCEDURES. A. WARNING WHEN YOU OPEN THE DOOR, STAY AWAY FROM THE STEAM COMING OUT OF THE UNIT. THE STEAM CAN CAUSE BURNS. Controls Operator controls are on the front right of the unit. The control panel has the following touch pads and indicator lights. (Your controls may have either words or the symbols shown below): • The ON/OFF touch pad gets the HyPerSteam ready for use, or shuts it off.
Operation WARNING WHEN YOU OPEN THE DOOR, STAY AWAY FROM THE STEAM COMING OUT OF THE UNIT. THE STEAM CAN CAUSE BURNS. 2. Load food into pans in uniform layers. Pans should be filled to about the same levels, and be even on top. The maximum allowable weight of food is 9.8 kilograms (21.6 lbs.) per pan. 3. Open the door and slide the pans onto the supports. If you will only be steaming one pan, put it in the middle position. 4. Close the door.
Cleaning WARNING DISCONNECT THE POWER SUPPLY BEFORE CLEANING THE OUTSIDE OF THE STEAMER. KEEP WATER AND CLEANING SOLUTIONS OUT OF CONTROLS AND ELECTRICAL COMPONENTS. NEVER HOSE OR STEAM CLEAN ANY PART OF THE UNIT. To keep your HY-6E Steamer in proper working condition/order, use the following procedure to clean the unit. This regular cleaning will reduce the effort required to clean the steam generators and cavities. A. Suggested Tools a. Mild detergent b.
Cleaning e. Wipe out the cavity. Make sure the drain holes at the back of the cavity are clear of debris. f. Hold down the CLEAN button while turning the steamer on. Continue holding it until the CLEANING indicator light comes on. Then release the button. After five minutes, the beeper will begin to beep rapidly. This is the signal to add 500 ml per cavity of Groen De-limer DeScaler (P/N 114800), Lime-Away® or equivalent as shown at right. Do not use any delimer that contains chlorine. g.
Maintenance NOTE THE UNIT CONTAINS NO FUSES THAT SHOULD BE REPLACED BY THE OPERATOR. The HY-6G(CE) Steamer is designed for minimum maintenance, and no user adjustments should be necessary. Certain parts may need replacement after prolonged use. If there is a need for service, only Groen personnel or authorized Groen representatives should perform the work. Always supply water with a low mineral count that meets the standards outlined in the Water Quality & Treatment section of this manual.
Troubleshooting This Groen Steamer is designed to operate smoothly and efficiently if properly maintained. However, the following is a list of checks to make in the event of a problem. Wiring diagrams are furnished inside the service panel. If an item on the check list is marked with (X), it means that the work should be done by a factory-authorized service representative. SYMPTOM Pilot will not light. WHO User WHAT TO CHECK a. Are electrical connections made with a ground? b.
Parts List External Cabinet & Sheet Metal Key Description Part # 1 Lower Side Panels 141291 2 Lower Front Panel 141289 3 Adjustable Table Leg 042505 4 Door Assembly 130858 5 Door Handle 129723 6 Door Gasket 124849 7 Left Pan Rack 094148 8 Blower Cover/Rack 096788 9 Door Locking Pin 078914 9a Door Pin Lock Nut 003823 10 Timer Knob 123100 11 Mylar Overlay Plate 123128 12 Vent Pipe 141346 13 Upper Right Side Panel 139941 14 Lower Back Panel 139945 15 Sink Drain
Parts List Cavity Control Section Key Description Part # 1 Top Cover Clip 123156 2 Timer 100983 x Door Switch 096857 4 Ready Thermostat 088865 5 Steam Port 088874 6 Steam Port Gasket 099250 7 Steam Hose, Top 099953 8 Steam Hose, Bottom 088880 9 1-3/8” Hose Clamp 127525 10 Fan Motor 096740 11 Motor Capacitor, 3 MFD 096813 12 Cover, Control Panel 128800 13 Steamer Control PC Board 137221 14 Transformer 119815 15 Timer Board 119817 16 Top Cavity Drain Hose 0888
Parts List Steamer Base Section Key Description Part # 1 Terminal Block 003887 2 Cover, Housing 128766 3 Relay, 12V DC 119813 4 Water Level Probes 070178 5 Relay, 24V DC 119814 6 Reset Relay 24VAC 074842 7 Transformer 100 VA, 240V 146011 8 Controller, Pilot Ignition 154059 9 Gas Pilot Switch, Rocker 087951 10 Reset Switch, Pushbutton 122003 11 Circuit Breaker, 10 Amp 119860 12 Lug, Ground 119829 13 Main Gas Valve 122158 14 Regulator 100513 15 Steam Generator Ass
Parts List Steamer Plumbing Key Description Part # 1 Water Inlet Valve Condensate Cooling (untreated water) 100934 2 Hose, PVC, Clear 099915 3 Hose, Condensate 096771 x Drain Kit 127393 5 Water Inlet Hose 096772 6 Water Inlet Hose Clamp 127522 7 Water Inlet Adapter Assy (BSPT) 122144 8 Steam Gen Drain Valve 071234 9 Outer Gen Drain Hose 099911 10 Inner Gen Drain Hose 099912 11 Gen Drain Hose Clamps 095656 12 Drain Box 096791 13 Drain Box Flap 099213 14 Drain Box Co
Parts List Steamer Motor & Controls Key Description Part # 1 Fan Motor 096740 x Timer Fastener Nut 101145 3 Motor Shaft Seal 096868 4 Motor Insulator 094135 5 Fan 096790 6 Timer 50 Hz 100983 7 Timer Knob 123100 8 Door Switch 096857 9 Steam Port Kit* 118102 10 Ready Thermostat 088865 11 Steam Port Gasket 099250 x = not shown * = includes thermostat and steam port gasket 22 OM-HY/6G(CE)
Parts List Steam Generator - Individual Parts Key Description Part # 1 Steam Gen Weldment, Inner Steam Gen Weldment, Outer 094128 123655 x Right Steam Gen. Insulation 096896 x Left Steam Gen.
Parts List Steamer - Individual Parts Key Description Part # 1 Main Gas Valve 122158 2 Regulator - Natural Gas 100513 3 Gas Manifold (Left) Gas Manifold (Right) 123705 123704 4 Igniter Module 154059 5 Solenoid Gas Valve 122120 6 Pilot Gas Switch 087951 7 Water Inlet Valve - 3 outlet (prior to 10/2010) 090827 8 Steam Generator Drain Valve 071234 9 Pilot Burner - Natural Gas 123641 10 Water Inlet Valve - 2 outlet (treated water) 071235 11 Water Inlet Valve - 1 outlet (for unt
Electrical Schematic OM-HY/6G(CE) 25
Service Procedures The following procedures are based upon having access to the steamer on all four sides. If the steamer is installed between other appliances and there is not enough room on the sides for access, the steamer must then be pulled out from its position to gain proper access. Care should be taken in moving the steamer so as not to stress or pull on the electrical and water connections. A. Top Right Side Panel (Louvered) - Removal (P/N 123183) 1.
Service Procedures 5. Attach new drain valve to valve bracket. Pull silicone hose through drain valve and loosely install hose clamps over both ends of the hose. Be sure silicone hose is properly aligned and does not have any kinks, bends and/or twists. 6. Position the valve over the valve mounting threaded studs and connect both ends of the hose to the drain box and steam generator. 7. Position the spring clamps about 3 mm (1/8”) from the end of the hose. 8.
Service Procedures To Test: With power ON, turn on the power switch to one cavity. The fill solenoid for that steam generator should energize allowing water to enter the steam generator. When READY light is ON, spray valve solenoid should energize and water should enter the drain box. G. Water Inlet Valve Coil If a solenoid coil on the water inlet valve is defective, replace the entire valve in accordance with Section F. H. Drain Box Spray Nozzle (P/N 081670) 1.
Service Procedures 14. Disconnect boiler temperature probe leads from harness. 15. Remove temperature probe. If male fitting was removed with the probe and compression nut, remove it from the probe. 16. With a socket wrench, remove the four 1/4-20 bolts holding the steam generator to the steamer table. 17. The entire steam generator (with fittings attached) may now be removed. Remove outer bolt from the side and inner bolt from the rear. 18.
Service Procedures 7. Remove the main gas valve and manual gas valve assembly. To Assemble: 8. Clean pipe threads and apply compound to all joints being connected. 9. L. Install the main gas valve in the reverse order of removal (Steps 8 through 1). Gas Solenoid Valve (P/N 122120) The gas solenoid valves must be removed as an assembly along with the regulators, using the following procedures: 1. Turn off the gas supply and power to the steamer. 2.
Service Procedures 2. Remove the cover to the electrical compartment. 3. The igniter module is located under the relays. 4. Note or tag the wires for reinstallation if necessary, before unplugging. Carefully disconnect the push terminals from the igniter module. Be careful not to pull the terminal by the wire. Use needle nose pliers to grip onto the terminal itself. 5. Remove the screws that secure the igniter manifold. 6. Remove the igniter module. To Install: 7.
Service Procedures 10. Connect the “spark” lead to the pilot burner. Be sure to route the lead around the outside of the gas lines. 11. Replace the flame sensor on the flame sensor bracket. 12. Apply anti-seize lubricant to mounting head screw threads. Install the pilot burner and flame sensor assembly, and tighten the screws. NOTE: Route the “spark” lead and flame sensor wire away from the manifold to prevent improper operation. 13. Turn manual gas valve to the ON position. 14.
Service Procedures 7. Using a wrench, remove the two top and one bottom bolts which hold the manifold to the steam generator manifold mounting bracket. 8. Remove the screws in the heat shield. 9. Remove the burner manifold from the appliance. 10. Remove the flame retention springs and injectors as required. To Reassemble: 11. Replace the injectors and retention springs. Ensure a suitable gas sealant is used on the threads of the injectors to ensure a gas tight seal. 12.
Service Procedures 3. Hold onto the fan, and with a slight rocking motion pull the fan off the motor shaft. To Install: 4. Note that the motor shaft has a flat surface. Position the fan hub on the motor shaft so that the allen set screw is opposite the flat portion of the motor shaft. 5. Slide the fan onto the motor shaft far enough so that the motor shaft is at the end of the fan hub. 6. With an allen wrench, tighten the set screw on the fan.
Service Procedures 3. Unplug the two terminal wires from the capacitor. Remove the capacitor. To Install New Capacitor: NOTICE: Make sure that the correct capacitor is used, which is 3 mfd at 330 volt. 4. Make sure the capacitor is seated properly, then tighten the screw securing the capacitor to the mounting plate. 5. U. V. Plug terminal wires to the capacitor. Steam Generator Ready Thermostat (P/N 088865) This thermostat is attached to the cavity steam port. 1. Turn off power to the steamer. 2.
Service Procedures 2. Remove cavity side and lower side panels of table. 3. In the upper portion of the steamer, remove hose. Turn and pull the hose to remove it from the hose nipple. 4. In the lower section of the steamer, remove the hose clamp from where the hose is connected to the steam generator. Turn and pull the hose to remove it from the hose nipple. 5. The hose may be removed. Be careful that the hose clamps do not fall off and get lost.
Service Procedures 4. Z. If the door has been reversed and the switch must be removed and replaced, refer to the top and left side panel removal in Section DD and then remove the switch as above. Door Reversing Procedures 1. Turn off steamer power and allow steamer to cool. 2. To remove door, support door while removing hinge-to-steamer bolts. 3. Place door with hinge on a flat, clean table (or similar support), with the gasket facing up. Be careful not to scratch door surface. 4.
Service Procedures 2. Remove the door hinge using one of the following two methods: a) Support door weight and remove hinge pin, or b) Support weight of the door and remove the two door-to-hinge bolts. 3. Place the door on a flat, clean, smooth table or similar support. Be careful not to scratch the door 4. Position door on workbench so that its front is lying flat, with handle hanging over edge of bench. 5. Remove inner door panel. 6. Remove and discard gasket. 7.
Service Procedures 2. With flat blade screwdriver, remove two screws on U-channel and remove U-channel from door. 3. Carefully remove retaining ring from one end of spring support pin, then remove the pin by moving the pin to the left and to the right. 4. With a wrench, remove the nut. Lift the spring retainer, and then remove the spring. To Install: 5. Apply a high temperature (rated 250ºC) anti-seize, lubricating compound (NEVER-SEEZ) on the bottom of the U-channel surface that contacts the spring.
Service Log Model No: Purchased From: Serial No: Location: Date Purchased: Date Installed: Purchase Order No: For Service Call: Date 40 OM-HY/6G(CE) Maintenance Performed Performed By
OM-HY/6G(CE) 41
OM-HY/6G(CE)
OM-HY/6G(CE) 43
1055 Mendell Davis Drive • Jackson MS 39272 888-994-7636 • 601-372-3903 • Fax 888-864-7636 unifiedbrands.net © 2014 Unified Brands. All Rights Reserved. Unified Brands is a wholly-owned subsidiary of Dover Corporation.
