Rosko RO-GCG Installation Manual

Gas countertop griddle

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RO-GCG
Gas Countertop Griddle
INSTALLATION GUIDE
EN
Operation, Maintenance, and Service Parts
RO-GCG-18
955 Lachance Street
Quebec, QC G1P 2H3
Canada
RO-GCG-24
RO-GCG-24-CP
1-866-901-5624
www.rosko-julien.ca
RO-GCG-36
RO-GCG-36-CP
RO-GCG-36
RO_GCG_GUIDE (11/21)

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Summary of Contents for Rosko RO-GCG

  • Page 1 RO-GCG Gas Countertop Griddle RO-GCG-36 INSTALLATION GUIDE Operation, Maintenance, and Service Parts RO-GCG-18 RO-GCG-24 RO-GCG-36 RO-GCG-24-CP RO-GCG-36-CP 955 Lachance Street Quebec, QC G1P 2H3 1-866-901-5624 Canada www.rosko-julien.ca RO_GCG_GUIDE (11/21)
  • Page 2: Warnings Et Cautions

    Any installation, adjustment, modification, repair, or maintenance not in accordance with applicable standards may cause property damage, injury, or death. To ensure a safe installation and proper operation of your Rosko equipment, please read this entire guide and keep it for future reference. • This unit is intended for commercial use only.
  • Page 3: Table Of Contents

    5.2. RO-GCG-24 ........
  • Page 4: Planning And Installation

    2. PLANNING AND INSTALLATION Congratulations on purchasing your new Rosko gas countertop griddle! To maximize the use and durability of your unit, we recommend that you follow the instructions in this guide. Installation, operation, and maintenance procedures must be followed for warranty protection to apply.
  • Page 5: Level

    2.4. LEVEL WARNING The griddle must be installed on a heatproof countertop or stand. Once the unit is in its final position, level the griddle by adjusting the leveling feet. Make sure the griddle is level in the front-to-back and side-to-side axis. It is recommended to level the unit each time it is moved. Proper leveling prevents accidents and ensures optimal cooking performance.
  • Page 6: Propane Gas Conversion

    2.6. PROPANE GAS CONVERSION WARNING The unit is factory assembled with natural gas components. Each griddle comes with a propane gas conversion kit that includes gas injectors and pilot orifice. Only an authorized technician can make changes to the unit. This step must be done before the connection to the gas power supply.
  • Page 7 4. Remove the natural gas injector from the thermostat using a hex key. Replace with the propane gas injector and screw the injector into the thermostat. Repeat this step for each thermostat. (Figure 2) Figure 2 5. Replace and secure the burner(s) in their original position and screw on the burner support(s). NOTE : The injector hole diameter for natural gas is 0.082”...
  • Page 8 6. To change the pilot orifice, unscrew the pilot holder(s) by removing the two (2) bottom screws. (Figure 3) 7. Unscrew the lower part of the pilot with a hex key. 8. Remove the natural gas pilot orifice and replace with the propane orifice. Repeat this step for each pilot.
  • Page 9: Connection

    2.7. CONNECTION To connect the unit to the gas power supply, use the 1/2” NPT gas connector located on the back of the griddle (Figure 5). PRESSURE REGULATOR ORIFICE DE VEILLEUSE 1/2’’ NPT GAS CONNECTOR Figure 5 Install the regulator outside the unit for a natural gas installation, between the gas circuit and the gas connector. Adjust the pressure to 7”...
  • Page 10: Gas Pressure Check

    2.8. GAS PRESSURE CHECK WARNING For any pressure test above ½ psi (3.45 kPa), isolate the unit from the gas power supply by closing the shutoff valve. 1. To measure the gas pressure, remove the thermostat knob(s) and the indicator ring(s), unscrew the bolts on the front panel, and remove the top panel.
  • Page 11: Operation

    3. OPERATION WARNING Never leave the thermostat knob(s) in the MAXIMUM position when the plate is not in use. This could cause the plate to overheat, turn black, and could cause damage. 3.1. IGNITION 1. Turn the thermostat(s) to the "OFF" position and wait five (5) minutes. 2.
  • Page 12: Burner Adjustment

    3.2. BURNER ADJUSTMENT To avoid weak and unstable burner flames or carbon monoxide emissions, adjust the burner’s air damper by turning the thermostat to the maximum position. Observe the burner flames immediately: • If the flames are unstable or do not penetrate through the holes in the burner, gradually close the air damper until stable and consistent flames are obtained.
  • Page 13: Maintenance

    4. MAINTENANCE WARNING Check for oil build-up on the inner and outer walls of the chimney. If you find oil build-up on the chimney walls, have the chimney cleaned by a maintenance service company to avoid fire hazard. 4.1. CONDITION It is essential to coat the plate with oil immediately after use and to keep it oiled at all times to prevent rust.
  • Page 14: Cleaning

    4.2. CLEANING Keep the griddle as clean as possible to prevent stains from charring the hot surfaces. Regular cleaning of the griddle will ensure better cooking performance and a longer life for your unit. NOTE: Cooking plates with a polished chrome (PC) finish are more energy efficient but require rigorous maintenance. Refer to the specific maintenance instructions below to maintain optimum performance.
  • Page 15 RO_GCG_GUIDE (11/21)
  • Page 16: Service Parts

    5. SERVICE PARTS 5.1. RO-GCG-18 See figure 9 for identification of service parts Code Description 913900224 Thermostat Knob OFF/150-400 °F 935350025 Cast Iron Burner 20 000 BTU 202101190 Natural Gas Injector hex 1/2" #45 202101211 Propane Gas Injector hex 1/2" #55 913200022 Thermostat OFF/150-400 °F, 48"...
  • Page 17 Figure 9 RO_GCG_GUIDE (11/21)
  • Page 18: Gcg-24

    5.2. RO-GCG-24 See figure 10 for identification of service parts Code Description 913900224 Thermostat Knob OFF/150-400 °F 935350025 Cast Iron Burner 20 000 BTU 202101190 Natural Gas Injector hex 1/2" #45 202101211 Propane Gas Injector hex 1/2" #55 913200022 Thermostat OFF/150-400 °F, 48" Capillary Tube...
  • Page 19 Figure 10 RO_GCG_GUIDE (11/21)
  • Page 20: Gcg-36

    5.3. RO-GCG-36 See figure 11 for identification of service parts Code Description 913900224 Thermostat Knob OFF/150-400 °F 935350025 Cast Iron Burner 20 000 BTU 202101190 Natural Gas Injector hex 1/2" #45 202101211 Propane Gas Injector hex 1/2" #55 913200022 Thermostat OFF/150-400 °F, 48" Capillary Tube...
  • Page 21 Figure 11 RO_GCG_GUIDE (11/21)
  • Page 22: Specifications

    6. SPECIFICATIONS This guide is dedicated to the Rosko gas countertop griddles listed below. Shipping dimensions Model Width (W) Depth Total height Cooking Surface Weight (W x D x H) 171/ 2 x 19'' 30 x 20 x 27'' RO-GCG-18 18'' –...
  • Page 23: Contact Us

    ATTENTION Keep this guide for future reference. CONTACT US customerservice@rosko-julien.ca 955 Lachance Street Quebec, QC G1P 2H3 1-866-901-5624 Canada www.rosko-julien.ca RO_GCG_GUIDE (11/21)

This manual is also suitable for:

Ro-gcg-18Ro-gcg-24Ro-gcg-36Ro-gcg-24-cpRo-gcg-36-cp

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