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Groen HY-12GF(CE) Operator Manual & Service Manual

Hypersteam atmospheric convection steamer
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OPERATOR MANUAL &
SERVICE MANUAL
IMPORTANT INFORMATION, KEEP FOR OPERATOR
This manual provides information for:
HY-12GF(CE) & HY-24GF(CE)
HYPERSTEAM
™
ATMOSPHERIC CONVECTION
STEAMER
INTERNATIONAL
· Self-Contained
· Gas Heated
THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE.
READ, UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND
WARNINGS CONTAINED IN THIS MANUAL.
NOTIFY CARRIER OF DAMAGE AT ONCE
It is the responsibility of the consignee to inspect the container upon receipt of
same and to determine the possibility of any damage, including concealed dam-
age. Unified Brands suggests that if you are suspicious of damage to make a
notation on the delivery receipt. It will be the responsibility of the consignee to file
a claim with the carrier. We recommend that you do so at once.
Manufacture Service/Questions 888-994-7636.
1055 Mendell Davis Drive
Jackson, MS 39272
888-994-7636, fax 888-864-7636
unifiedbrands.net
PART NUMBER 132465, REV. C (1/09)
PART NUMBER 132465, REV. B (4/06)

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Summary of Contents for Groen HY-12GF(CE)

  • Page 1 OPERATOR MANUAL & SERVICE MANUAL IMPORTANT INFORMATION, KEEP FOR OPERATOR This manual provides information for: HY-12GF(CE) & HY-24GF(CE) HYPERSTEAM ™ ATMOSPHERIC CONVECTION STEAMER INTERNATIONAL · Self-Contained · Gas Heated THIS MANUAL MUST BE RETAINED FOR FUTURE REFERENCE. READ, UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS CONTAINED IN THIS MANUAL.
  • Page 2 REGULAR BASIS. DEBRIS COVERING THE FLUE OUTLET CAN CAUSE A POTENTIALLY HAZARDOUS CONDITION. REMOVE ANY FOREIGN MATERIAL BEFORE USING THIS PIECE OF EQUIPMENT. WARNINGS AND CAUTIONS PROVIDED IN THE BASIC OPERATOR AND SERVICE MANUALS (OM-HY-6G AND GROEN HYPERSTEAM SERVICE MANUAL) MUST BE COMPLIED WITH. OM/SM-HY-12GF(CE) & HY-24GF(CE)

  • Page 3: Table Of Contents

    OM/SM-HY-12GF(CE) & HY-24GF(CE) TABLE OF CONTENTS WARNINGS ..............2 1.

  • Page 4: Warnings

    1. Installation, Assembly and Commissioning CAUTION 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 Unpack the appliance and place it on a firm, level floor.
  • Page 5 OM/SM-HY-12GF(CE) & HY-24GF(CE) Required Ventilation Rate Equipment For multiple installations the requirements for m³/min ft³/m individual appliances should be added together. (See Units Type Range table, page 5). Installation must comply withlocal and/or national regulations and a competent installer Pastry Oven must be employed.
  • Page 6 OM/SM-HY-12GF(CE) & HY-24GF(CE) Cable entry is at the top rear right side of the appliance from the gas valve, leak detection spray or some for model HY-12GF(CE). There are two cable entries on solution may be used with the burners lit. model HY-24GF(CE), at the rear right side of each cavity.
  • Page 7 OM/SM-HY-12GF(CE) & HY-24GF(CE) rate of not less than 7.6 liters (two gallons) per minute. Pressure must be 2.0 to 4.0 Bar (30 to 60 PSI) maximum. Water quality minimums require totally dissolved solids (T.D.S.) of 30 parts per million maximum, and a water pH of 7.0 or greater.
  • Page 8 Wait five minutes and push the Gas Reset position for continuous steam. switch to reignite the pilot. Should ignition problems persist, contact your authorized Groen Service c. Let the unit wait at standby temperature. The Agency. steam generator is equipped with a high-limit thermostat which will trip if the liquid level probe fails.
  • Page 9 9. Replace governor cap screw, and replace control box panel and lid. NOTE: For operation at high altitudes (1000 meters and above) consult the Groen Food Service Engineering Department. 1.8 Instructions to User IMPORTANT: After installing and commissioning the appliance, the User’s Instructions should be handed...

  • Page 10: Servicing And Conversion

    OM/SM-HY-12GF(CE) & HY-24GF(CE) 2. Servicing and Conversion CAUTION BEFORE ATTEMPTING ANY SERVICING, ENSURE THAT THE ISOLATING COCK IS TURNED OFF AND CANNOT BE INADVERTENTLY TURNED ON. CHECK THAT THE ELECTRICITY SUPPLY IS DISCONNECTED. AFTER ANY MAINTENANCE TASK CHECK THE APPLIANCE TO ENSURE THAT IT PERFORMS CORRECTLY AND CARRY OUT ANY NEEDED ADJUSTMENTS AS DETAILED IN SECTION 1.
  • Page 11 4. Remove the screws holding the water inlet valve 2. If damaged, the posts may be replaced by bracket, and pull the bracket with the valve a few tapping out the threaded fitting (on the opposite cm away from the body of the appliance. side of the leg) which is friction-held in each leg.
  • Page 12 9. Using a pipe wrench or Channel Lock attach the gas solenoid valves for the upper and lower union and tighten. steam generators may be removed as an integrated unit. 10. Attach all aluminum tubing and tighten with an open-ended wrench. 7.
  • Page 13 OM/SM-HY-12GF(CE) & HY-24GF(CE) 3. The igniter module is located next to the motor. 2.1.9 Pilot Burner Replacement/Current Check/ Adjustment - Pilot Flame Sensor 4. Note or tag the wires for reinstallation before Replacement unplugging. Carefully disconnect the seven 102258 (Natural) 106610 (Propane) push terminals from the igniter module.
  • Page 14 Pilot Flame Current Check 3. The wires are connected to wire fork terminals. These will "snap" on and off the terminal post. Unsnap them by gently pulling on the terminal. 4. Using a 21mm open ended wrench, turn the probe counter-clockwise to remove. Clean or replace water level probes.
  • Page 15 OM/SM-HY-12GF(CE) & HY-24GF(CE) 2. Using a 7mm nut driver or spring clamp pliers, low terminal, the high wire into the high disconnect both ends of the drain hose from the terminal and the "C" into the "C" terminal. spray box and the steam generator. 10.
  • Page 16 OM/SM-HY-12GF(CE) & HY-24GF(CE) 4. Cut the hose down to the spray nozzle (about ½ 13. Disconnect the wires from the "side" of the inch) and remove the nozzle. steam generator which are attached to the 'high heat' thermostat. 2.1.15 Water Inlet Valve Coil 14.
  • Page 17 OM/SM-HY-12GF(CE) & HY-24GF(CE) 25. Connect the steam hose by easing the end of 2. With an 8mm nut driver LOOSEN, but do not the hose onto the seam generator fitting. Make remove the nuts holding the wire(s) in the probe sure the hose engages the fitting all the way.
  • Page 18 OM/SM-HY-12GF(CE) & HY-24GF(CE) NOTE: The following components and subassemblies harness. These will be required for the installation of the new board. are to be found in the upper portion of the steamer 5. The circuit board is held in position by five plastic retainer clips.
  • Page 19 OM/SM-HY-12GF(CE) & HY-24GF(CE) passes through corresponding holes in the plate 2.1.23 Fan Motor Assembly Motor Shaft Seal seal holder. P/N 096740 096868 Motor Insulator Oil Slinger Washer 13. The entire assembly may now be positioned on P/N094135 P/N 096831 the four threaded stud bolts which protrude from the cavity wall.
  • Page 20 OM/SM-HY-12GF(CE) & HY-24GF(CE) 2.1.26 Steam Port, Front 2. Remove the cavity side and lower side back panels of the table. 106594 Steam Port, Rear 3. In upper portion of the steamer, using an 8mm 106512 nut driver, loosen the hose clamp where the Steam Port, Front Gasket hose is attached to the steam port.
  • Page 21 OM/SM-HY-12GF(CE) & HY-24GF(CE) 4. To install the door, apply Never-Seez lubricant to 2. To remove door, support the door while the hinge pin. Align the door with the hinge and removing hinge-to-steamer bolts. insert hinge pin, or apply Locktite 242 to the door-to-hinge bolts.
  • Page 22 OM/SM-HY-12GF(CE) & HY-24GF(CE) 7. Clean back of the inner door panel. Be sure that 19. Assemble the door cam to the handle with the old sealant is completely removed. screws. To Install: 20. Door handle must be in DOWN position. Hold U- Channel door spring open with a screw driver or 8.
  • Page 23 OM/SM-HY-12GF(CE) & HY-24GF(CE) 2.1.34 Door Locking Pin - P/N 078914 17. IMPORTANT: When door is reversed, the Door Pin Lock Nut - P/N 003823 alternate door switch (installed at the time of manufacture) must be connected to the circuit. 1. Turn off power and allow steamer to cool. 18.
  • Page 24 OM/SM-HY-12GF(CE) & HY-24GF(CE)
  • Page 25 OM/SM-HY-12GF(CE) & HY-24GF(CE)
  • Page 26 OM/SM-HY-12GF(CE) & HY-24GF(CE)
  • Page 27 OM/SM-HY-12GF(CE) & HY-24GF(CE)
  • Page 28 OM/SM-HY-12GF(CE) & HY-24GF(CE)

  • Page 29: Troubleshooting

    OM/SM-HY-12GF(CE) & HY-24GF(CE) Section 3 — Troubleshooting This instantly reduces heat in the steam generator and 3.1 Basic Operation (See Block Diagram) the steam entering the cavity, and stops the timer. 3.1.1 Pilot Burner Ignition and Start-Up 3.1.3 Water Level Control and Entry Into Steam The pilot switch is located in the lower section, behind Generator the front panel.
  • Page 30 OM/SM-HY-12GF(CE) & HY-24GF(CE) generator starts to fill up until the water level reaches the 3.2 Diagnostics HIGH WATER probe. HyPerSteam Steamers are simple to maintain when the When the Cavity Power Switch is turned OFF, the basic operation, block diagram, truth table, schematics solenoid valve opens, draining the steam generator.
  • Page 31 OM/SM-HY-12GF(CE) & HY-24GF(CE)

  • Page 32: Troubleshooting Charts

    Are steamer doors opened? d. Is steam generator limed up? Pilot lights, but no front panel lamp comes on. Call your Groen authorized service agency. Red light comes on after four minutes. (Refer a. Is water supply connected ? to cleaning section).
  • Page 33 OM/SM-HY-12GF(CE) & HY-24GF(CE) Troubleshooting Procedures 3.4.1 Problem: Unit Will Not Turn On PROBABLE CAUSES CORRECTIVE ACTION Steamer disconnected from power source. Make sure disconnect device is turned on. If necessary, reset circuit breaker or if fuse has blown, ask customer to make arrangements to replace the fuse.
  • Page 34 OM/SM-HY-12GF(CE) & HY-24GF(CE) 3.4.1 Problem: Unit Will Not Turn On — Continued PROBABLE CAUSES CORRECTIVE ACTION No spark observed Turn on steamer power. Refer to schematic diagram and check for 24 VAC at igniter module terminals 24V-3 and 24V-2. If 24 VAC measured, turn off steamer power and: •...
  • Page 35 OM/SM-HY-12GF(CE) & HY-24GF(CE) 3.4.3 Problem: Steamer Cavity Turns Off During Operation — Continued PROBABLE CAUSES CORRECTIVE ACTION Defective high limit steam generator thermostat Check for defective steam generator high limit thermostat. It should be closed and will open only when temperature exceeds 113ºC. Check thermostat continuity with meter.
  • Page 36 3.4.4 Problem: Steamer Cavity Does Not Achieve “Ready” Status — Continued PROBABLE CAUSES CORRECTIVE ACTION Drain valve open (normally open valve) Check / replace drain valve. Check for 20 VDC minimum at drain valve connector and that TR1 output is 22 VAC minimum. Improper drain valve operation.
  • Page 37 3.4.8 Problem: Fan Motor Does Not Operate PROBABLE CAUSES CORRECTIVE ACTION Door may be open Close steamer door Steamer not ready Check steam generator ready thermostat for open circuit. Refer to previous problems. Timer in off position Check timer position Door switch may be open circuit Test door switch with meter, with door closed.

  • Page 38: Equipment Description

    The water going to the steam generator should have between 20 and 40 parts per million (ppm) total Groen Steamers are also available with an option dissolved solids (TDS) and should have a pH (acidity for two separate water intakes — one for the steam rating) of 7.0 or higher.

  • Page 39: Start-Up

    NOTE: The door MUST be closed for the main reignite the pilot. Should ignition problems persist, (high) heater to work. contact your authorized Groen Service Agency. 8. When the steam generator has filled, the main NOTE: For operation at high altitudes (2000 feet and and low burners will automatically light.

  • Page 40: Operation

    If the lockout should be even on top. continues to occur after three attempts, contact your Groen Service Agency for assistance. 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.
  • Page 41 OM/SM-HY-12GF(CE) & HY-24GF(CE)

  • Page 42: Cleaning

    OM/SM-HY-12GF(CE) & HY-24GF(CE) Cleaning To keep your steamer in proper working condition, A. Precautions clean it periodically by the following procedure. Regularly scheduled cleaning reduces the effort WARNING required to clean the steam generators and cavities. BEFORE CLEANING THE OUTSIDE OF THE STEAMER, DISCONNECT THE A.Suggested Tools ELECTRIC POWER SUPPLY.
  • Page 43 B. Procedure Wipe out the inside of the steamer cavity. If the steamer is to be used, turn the “ON” 1. Outside switch on and set the timer to the “ON” position. When READY neont turns on, the steamer is a.

  • Page 44: Maintenance

    Loosen the lock nut at the base of the latch pin, then turn the latch pin ¼ turn clockwise, and If there is a need for service, only Groen personnel or tighten the lock nut. authorized Groen representatives should perform the work.

  • Page 45: Service Log

    OM/SM-HY-12GF(CE) & HY-24GF(CE) Service Log Model No. Purchased From Serial No. Location Date Purchased Date Installed Purchase Order No. For Service Call Date Maintenance Performed Performed by OM/SM-HY-12GF(CE) & HY-24GF(CE)

  • Page 46: Warranty

    II. Damage during shipment is to be reported to the carrier, and is not covered under this warranty, and is the sole responsibility of the purchaser/user. III. Groen, or an authorized service representative, will repair or replace, at Groen's sole election, any Groen Equipment, including but not limited to, draw off valves, safety valves, gas and electric components, found to be defective during the warranty period.
  • Page 48 1055 Mendell Davis Drive • Jackson MS 39272 888-994-7636 • 601-372-3903 • Fax 888-864-7636 groen.com PART NUMBER 132465, REV. C (1/09) PART NUMBER 132465, REV. B (4/06)

This manual is also suitable for:

Hy-24gf(ce)

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