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Groen CBE-10G Service Manual

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See also: Operator's Manual
SERVICE MANUAL
IMPORTANT INFORMATION, KEEP FOR OPERATOR
This manual provides information for:
This manual provides information for:
MODELS CBE-10G
MODELS TRI-RES-20G
& (2) CBE-10G
& (2)TRI-RES-20G
COMBINATION OVEN
COMBOEASE
· Self Contained
· Self Contained
· Gas Heated
· Gas Heated
· Capacity:
· Capacity:
CBE-10G = 10 Steamer Pans Per Cavity
TRI-RES-20G = 10 Steamer Pans Per Cavity
or 10 Full Size Baking Sheets Per Cavity
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READ, UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND
WARNINGS CONTAINED IN THIS MANUAL.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
POST IN A PROMINENT LOCATION
Instructions to be followed in the event user smells gas.
This information shall be obtained by consulting your
local gas supplier. As a minimum, turn off the gas and
call your gas company and your authorized service agent.
Evacuate all personnel from the area.
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.
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.
Information contained in this document is known to be current and accurate at the time
of printing/creation. Unified Brands recommends referencing our product line websites,
unifiedbrands.net, for the most updated product information and specifications.
PART NUMBER 152797, REVISION A
PART NUMBER 155493, REV. A (03/09)
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1055 Mendell Davis Drive
Jackson, MS 39272
888-994-7636, fax 888-864-7636
groen.com

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Summary of Contents for Groen CBE-10G

  • Page 1 · Gas Heated · Capacity: · Capacity: TRI-RES-20G = 10 Steamer Pans Per Cavity CBE-10G = 10 Steamer Pans Per Cavity or 10 Full Size Baking Sheets Per Cavity READ, UNDERSTAND AND FOLLOW THE INSTRUCTIONS AND WARNINGS CONTAINED IN THIS MANUAL.

  • Page 2: Table Of Contents

    The groen Service Concept ........
  • Page 3 table of contents parts IdentIfIcatIon Control Panel Sub Assembly ..............33 High Voltage Panel Assembly - gas .

  • Page 4: The Groen Service Concept

    IntroductIon 1.1 The Groen Service Concept Warranty and Non-Warranty Repair Since 1907 groen has been in the business of designing and groen Warranty provisions are clearly presented in the manufacturing the finest commercial appliances for the food customer’s Operator Manual.

  • Page 5: Glossary Of Terms

    Make sure performing any service. to use only the specified sealants, compounds and dressings recommended by groen. CAUTION: The signal word CAUTION warns you of a haz- ardous situation which, if not avoided, may result in minor or CAUTION: Care should be taken in using the correct tool as moderate injury.

  • Page 6: How To Use This Manual

    Service School. This service manual should be taken with you on all service calls. Use the correct tools in accordance with the procedures shown and use only groen Replacement Parts when performing ComboEase repairs. PART NUMBER 155493 REVISION A...

  • Page 7: Startup

    NOTE: For operation at high altitudes (2000 feet To turn the unit on, press the ON switch on and above), please consult the Groen the control panel. Engineering Department. When any of the four cooking modes are selected, the main burners will ignite automatically.

  • Page 8: Operating Procedure

    operatIon Operating Procedure C. Push Moisture Level HI. The HI indicator lights. The two side reservoirs fill and the center reservoir empties. The temperature knob operates the same way as in COMBO LO 1. Press the ON switch on the control panel. SELECT MODE except that the upper limit is reduced to 350 degrees.
  • Page 9 operatIon 3. Ready indication and out of the cavity without disturbing the burners. However, The ready condition is satisfied (the oven is ready) when the if the door is open for five minutes or more the burners are cavity temperature is less than 20 degrees below the set point. turned off.
  • Page 10 operatIon oven drain. During this time the condensate spray is turned on COMPLETE TIME LEFT is displayed for a minute and the oven for 90 seconds to cool the drain water. turns itself off. During the remaining time, that is, most of the time, the con- If the oven is hot at the beginning of the soaking period the densate spray is turned off to conserve water.
  • Page 11 operatIon will steam for 20 minutes (the display shows the number of seconds remaining) and drain for two minutes (message is DE- LIME MODE DRAIN TIME). At this time the oven is hot and the message changes to OPEN DOOR TO COOL OVEN. When the door is opened the message changes to COOLINg.

  • Page 12: Controls

    controls Information Display Console: This is a two line display that shows various operating functions of the unit and other operating information. Start: Push this button to start kitchen timer (see Timer below). When in a timed mode, locked is shown, cooking modes, temperature and timer knobs are inactive.

  • Page 13: Installing, Cleaning And Testing

    2. Gas Supply Connection Connection to the gas supply shall be in accordance with Although groen recommends the ComboEase is installed near the chart below. Supply pressure must be at least 5” W.C. non-combustible surfaces, the following minimum clearances (maximum 14”...
  • Page 14 C. The location where the restraining device may be attached to the appliance shall be in accordance with groen specifications for the device. (see photo) Eyebolt connector on the back of the unit.

  • Page 15: Installation

    1-1/2” – for single units installed correctly, to indicate the proper cleaning techniques 2” – for double stacked units are to be used by groen customers and ComboEase test There must be a 2” air gap to the (non-pressurized) building procedures.

  • Page 16: Installation Checklist

    InstallIng, cleanIng and testIng 3.3 Installation Checklist with the cavity frame. _____ Instruct operators to leave the door open when the General ComboEase is shut down overnight or longer. _____ Refer to section 3.3 for proper clearances. Cold Water Supply Connections _____ Do not install ComboEase directly above steam venting _____ Make sure plumbing connections conform to local floor drains.

  • Page 17: Water Treatment

    (TDS) and should have a pH (acidity rating) of 7.0 to 9.0. Please follow these simple precautions: 1. The best way to prevent scale is to use a groen PureSteam TM Water Treatment System which has been specifically designed for groen steamers and combination ovens. Do not rely on unproven water treatments sold for scale preven- tion and removal.

  • Page 18: General Cleaning

    InstallIng, cleanIng and testIng 3.4 General Cleaning WARNING To keep your ComboEase in proper working condition, use the following procedure to clean the unit. This regular cleaning Disconnect the power supply before cleaning the will reduce the effort required to clean the steam reservoir and outside of the ComboEase.

  • Page 19: Interior Cleaning

    InstallIng, cleanIng and testIng Interior Cleaning second rinse cycle. 10. After the second rinse cycle the oven will drain and the NOTE: Clean the unit daily or as residue builds upon the display will read CLEAN COMPLETE TIME LEFT for a minute, bottom of the oven cavity.
  • Page 20 STEP 4 Remove any spilled foods from the steam lid. pads. Remove the steam lid from the steam reservoir. b. Delimer/Descaler – Groen Delimer Descaler (P/N 114800), NOTE: Use protective gear, including eyewear for the Commercial Lime Away or any equivalent. DO NOT use any following steps involving delimer/descaler.
  • Page 21 If there is and outer glass doors for smooth operation and signs of a need for service, only groen personnel or authorized groen misalignment or wear. If the door does not move freely representatives should perform the work.

  • Page 22: Troubleshooting

    troubleshootIng SETUP EXPECTED RESULTS PROBABLE DEFECT TEST or COMMENTS Measure Input voltage and Input voltage is within 10% of Wrong model (voltage) Notify customer amps. rated voltage and 5-7 amps. installed to incoming power supply. Verify gas supply Propane or Correct gas source and pres- Wrong model ordered.
  • Page 23 CBE-10G Orifice Sizing Table No. Of Igniter Tube Groen No. Of Burner Groen Elevation Type Burners Orifice Size Part No. Burners Orifice size Part No. up to 2000' 0.029 (# 69 ) 101665 0.0945” (2.4mm) 152037 2001-4000' 0.029” (# 69 ) 101665 0.086”...
  • Page 24 troubleshootIng Fault Messages All fills long The water level in all three reservoirs didn’t reach the water level probes within the allotted time while filling. The probes No product code may be dirty (clean them), the level probe harness wires may The product code (gas or electric) is embedded in the ribbon have become disconnected, the water may be turned off, the fill cable at the controller end.
  • Page 25 troubleshootIng DIAGNOSTIC CHECK OF SYSTEM LOCAL TEMPERATURE This test checks for deficient airflow thru the control panel housing. ENTER DIAGNOSTICS There is a temperature sensor mounted on the control board Push STEAM, COMBO, OVEN, and CLEAN all at the same time (it right behind the control panel.
  • Page 26 troubleshootIng MUFFIN FAN If not check the connections, water valve, and water supply to This test checks both muffin fans on the right side of the oven. the oven. Push START. RINSE VALVE Both muffin fans should operate. If not check the connections and replace the inoperative fan. This test checks the rinse-water valve.
  • Page 27 troubleshootIng Push START. The auxiliary gas valves will click and the main All four of these are push-on/push-off. burners will light. Have an assistant look at the burner to verify. The FAN SPEED HI and FAN SPEED LO push buttons control If not check the connections, igniter, and gas supply to the the cavity fan motor.
  • Page 28 IIf TEMP CHECK is ON then pushing the secret button just above to 230, and stop at 231. ALL ON the o in groen will display the current oven temperature in the TEMPERATURE display. Push START to toggle TEMP CHECK from This test checks everything lights up.

  • Page 29: Assembly/Disassembly

    assembly/dIsassembly 5.1 General Information 5.4 ComboEase Control PC Board P/N 152898 This section provides common removal and install procedures for parts in more than one mode of the ComboEase. When Part Numbers differ by ComboEase Model, the Part Numbers are not WARNING given in this section.

  • Page 30: Relay Board

    assembly/dIsassembly Installation hose through the drain valve housing and install hose clamp 4. Position the board on ten studs. over the exposed end of the hose. Check that the hose is 5. Install 5/16” lock nuts with washers. Use a 5/16” socket to straight and not twisted.

  • Page 31: Door Switch

    assembly/dIsassembly 6. Close the door until the latch pin just penetrates the mask- Installation ing tape. Make sure the door pin contacts only the door latch 1. Install new door gasket around inner panel as shown in the spring. illustration. Be sure the inner door panel flange is full inserted 7.

  • Page 32: Burner

    assembly/dIsassembly 5.12 Burner NOTE Shut off power and gas supply before removing!!!!! Removal Step 1: Disconnect the drain line, incoming power and gas supplied to the unit. See Below; Step 2: Remove the four (4) 1/4-20 screws identified below with white arrows.
  • Page 33 assembly/dIsassembly Installation Step 4: Reconnect gas supply lines Step 1: Replace need part i.e., pilot, igniter tube or burner Turn on gas supply and power to the unit, check for proper operation and gas leaks. Step 2: Slide combustion chamber back into position. Install all exterior panels Step 3: Re-install and secure damper and combustion chamber with four (4) bolts removed in step 3 on previous page.

  • Page 34: Control Panel Sub Assembly

    parts IdentIfIcatIon 6.1 Control Panel Sub- Assembly No. Description Part No. Qty. Panel, Control, ComboEase 151109 Hour Meter, Redington, 149295 Knob, 1.5 Dia 160921 Rocker Switch 160920 10 Switch, Door 096857 11 Control Panel Display 152904 12 gasket, Control Panel (not shown) 152998 13 Control Board, Oven 152898...

  • Page 35: High Voltage Panel Assembly - Gas

    parts IdentIfIcatIon 6.2 High Voltage Panel Assembly - Gas No. Description Part No. Qty. Weldment, Electrical Panel, High Voltage 152602 (CE) Spark Ignition Module 154059 Transformer, 100 VAC 152997 Screw Hex Slotted 069776 High Voltage Fuse Panel Assembly 152641 Screw Hex Slotted HD8-32x.375 069789 Relay Board, Oven 152899...

  • Page 36: Assembly Motor Mount

    152864 152827 005608 012940 UNLESS OTHERWISE SPECIFIED THE INFORMATION CONTAINED O DIMENSIONS SHOWN ARE IN INCHES DOCUMENT IS CONFIDENTIAL AN WITH TOLERANCES AS FOLLOWS: PROPERTY OF GROEN/A DOVER I DECIMALS ANGLES UNAUTHORIZED REPRODUCTIO ± .XXX ± .010 .5° ± EXPRESSLY FORBIDDEN ±...

  • Page 37: Water System Assembly

    parts IdentIfIcatIon 6.4 Water System Assembly No. Description Part No. Qty. 21.070 Insert, Threaded, 1/4-20 152942 115V Electric Heater 151210 Panel, Inner, Side 151113 RTD Temperature Sensor 152955 Weldment, Box, Drain 152787 105 Valve-Water Feed 3/4 R 090827 106 Valve-Water Feed 3/4 R 071235 107 Water Valve Mounting Bracket 152554...

  • Page 38: Gas Valve And Piping Assembly

    parts IdentIfIcatIon 6.5 Gas Valve and Piping Assembly No. Description Part No. Qty. Valve Gas Johnson Controls NAT 098443 Nipple, 1/2 NPT x Close 008877 Union 3/8 NPT 005686 Nipple, 1/2” NPT x 3” Long 005553 Elbow 90 DEG 1/2” NPT 008747 Nipple, 1/2”...

  • Page 39: Door Assembly

    parts IdentIfIcatIon 6.6 Door Assembly No. Description Part No. Qty. No. Description Part No. Qty. Front Door Panel 152902 Screw Flat HD #10-32 x 3/8” LG 069723 glass, Pane 152901 Spring Casing, Single Point Latch 152922 Screw, 8-32 x 1.00 PHIL TR HD 123718 Spring 078911...
  • Page 40 parts IdentIfIcatIon 6.7 Gas Valve and Piping Assembly No. Description Part No. Qty. No. Description Part No. Qty. Weldment, Chmbr, Combustion 152804 Nut, Hex Head 1/4”-20 005601 Assy-U-Burner, Low Profile 152832 Screw Truss Head 072189 Plate, Damper, Rear, UCS Oven 152810 Screw, Hex Head Cap, 1/4”- 20 005608...

  • Page 41: Wiring Diagram

    WIrIng dIagram PART NUMBER 155493 REVISION A CALL 888-994-7636 FOR TECHNICAL SUPPORT...

  • Page 42: Ladder Diagram

    ladder dIagram PART NUMBER 155493 REVISION A CALL 888-994-7636 FOR TECHNICAL SUPPORT...
  • Page 43 INSTALLING, CLEANING AND TESTING Notes PART NUMBER 155493 REVISION A CALL 888-994-7636 FOR TECHNICAL SUPPORT PART NUMBER 145702, REV. D (01/08) CALL 888-994-7636 FOR TECHNICAL SUPPORT CALL 888-994-7636 FOR TECHNICAL SUPPORT PART NUMBER 145702, REV. B (7/06) PART NUMBER 145702, REV. C (01/07) Call 1-800/676-9040 for Technical Support...
  • Page 44 PART NUMBER 155493 REVISION A CALL 888-994-7636 FOR TECHNICAL SUPPORT...
  • Page 45 PART NUMBER 155493 REVISION A CALL 888-994-7636 FOR TECHNICAL SUPPORT...
  • Page 46 1055 Mendell Davis Drive • Jackson MS 39272 888-994-7636 • 601-372-3903 • Fax 888-864-7636 groen.com PART NUMBER 155493, REV. A (03/09) PART NUMBER (01/08)

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(2) cbe-10g

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