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Groen Vortex, Model VRC-6E  

Electric Steamer Performance Test

 

 

Application of ASTM Standard 

Test Method F 1484-99

 

 

FSTC Report # 5011.03.23 

 
 

Food Service Technology Center 

May 2003 

 
 

Prepared by: 
Victor Kong 

David Zabrowski  
Fisher-Nickel, Inc. 

 
 
 
 
 
 
 

Contributors: 

Angelo Karas 

Fisher-Nickel, Inc. 

 
 
 

©

 2003 by Fisher-Nickel, inc. All rights reserved. 

 

The information in this report is based on data generated at the Food Service Technology Center. 

Summary of Contents for Vortex VRC-6E

Page 1: ...9 FSTC Report 5011 03 23 Food Service Technology Center May 2003 Prepared by Victor Kong David Zabrowski Fisher Nickel Inc Contributors Angelo Karas Fisher Nickel Inc 2003 by Fisher Nickel inc All rig...

Page 2: ...roducts or services from any specific manufacturer or service provider The FSTC is strongly committed to testing food service equipment using the best available scientific techniques and instrumentati...

Page 3: ...etup and Instrumentation 2 1 Non Cooking Tests 2 2 Frozen Green Pea Efficiency Tests 2 2 Red Potato Efficiency Tests 2 2 3 Results 3 1 Energy Input Rate 3 1 Preheat and Idle Tests 3 1 Cooking Tests 3...

Page 4: ...Red potato load 2 3 3 1 Preheat characteristics 3 1 3 2 Steamer part load cooking energy efficiency 3 5 3 3 Steamer cooking energy efficiency results 3 6 3 4 Steamer cooking energy consumption profil...

Page 5: ...ate drain researchers did not monitor water consumption and condensate temperature for these tests The Groen Vortex Model VRC 6E is one of the best electric connectionless steamers tested to date at t...

Page 6: ...ency 60 8 2 1 Heavy Load Cooking Energy Efficiency 91 5 2 5 Production Capacity lb h 94 5 1 6 Red Potatoes Light Load Cooking Energy Efficiency 30 4 2 5 Heavy Load Cooking Energy Efficiency 71 0 2 6 P...

Page 7: ...monitoring and data acquisition hardware 60 linear feet of canopy exhaust hoods integrated with utility distribution systems appliance setup and storage areas and a state of the art demonstration and...

Page 8: ...e is operating at the manufacturer s rated energy input 2 Determine the time and energy required to preheat the steamer to an operating condition 3 Characterize the idle energy use of the steamer whil...

Page 9: ...1 1 and the manufacturer s literature is in Appendix B The appliance is pictured in Figure 1 1 Table 1 1 Appliance Specifications Manufacturer Groen Inc Model Model VRC 6E Vortex Generic Appliance Ty...

Page 10: ...nal rate of 150 cfm per linear foot of hood with the ambient temperature maintained at 75 5 F Power and energy were measured with a watt watt hour transducer that generated an analog signal for instan...

Page 11: ...ined 8 0 0 2 lb of green peas Pre weighed green peas in perforated pans were stored in sealed plastic bags at 0 5 F for at least 24 hours prior to testing The pans of peas were transferred into an ins...

Page 12: ...5 5 F The potatoes were then cooked to 195 2 F using a predetermined cook time The final temperature was determined by probing a minimum of 3 potatoes during testing and then randomly probing potatoes...

Page 13: ...manually filled with four gallons of water at 70 5 F The steamer was started in its On mode of operation indicated by continual steaming cycles until the compartment reached approximately 203 F Prehea...

Page 14: ...W Table 3 1 Average Input Preheat and Idle Test Results Rated Energy Input Rate kW 12 0 Measured Energy Input Rate kW 12 6 Preheat to Operational Capacity Time min 17 0 Energy kWh 2 2 Idle Energy Rate...

Page 15: ...ts The red potatoes contained 84 moisture by weight with the specific heat Cp of 0 87 Btu lb F 1 A full load of potatoes averaged 24 8 minutes to reach a bulk cooked temperature of 195 2 F The cooking...

Page 16: ...nce Table 3 2 Frozen Green Pea Cooking Test Results Heavy Load Light Load Number of Pans 6 1 Cook Time min 30 5 8 1 Cooking Energy Rate kW 8 0 7 4 Cooking Energy Efficiency 91 5 60 8 Production Rate l...

Page 17: ...120 140 Production Rate lb h Cooking Energy Efficiency Frozen Green Peas Red Potatoes Light Load Heavy Load Note Light load single pan load Heavy load 6 pans load Figure 3 3 illustrates the relations...

Page 18: ...igure 3 4 represents the cooking energy input rate for two different food products at the two test load scenarios The upper line represents the steamer s energy consumption rate when cooking frozen ve...

Page 19: ...vegetables per hour over the course of the day e g 150 pounds of food over a ten hour day the probable demand contribution from this steamer would be 1 9 kW Note Light load single pan load Heavy load...

Page 20: ...imal energy input and short cook times the Vortex was equally impressive with it s very low 0 2 kW idle rate This is a credit to the design of the steamer both in its ability to minimize heat loss and...

Page 21: ...Vortex is a perfect candidate for facilities looking to reduce operating and maintenance costs With its low energy consumption high production rates and minimal water usage it is a fine choice for re...

Page 22: ...am CAPELLA Electric Steamer Performance Test Application of ASTM Test Method F 1484 99 Food Service Technology Report 5011 01 94 January 5 Bell T Miner S 2001 Vulcan VPX3 Electric Steamer Performance...

Page 23: ...84 99 Food Service Technology Center Report 5011 01 06 December 13 Bell T Miner S Nickel J Zabrowski D 2000 Vulcan Hart Gas Steamer Performance Test Model VL2GSS Pressure and Model VS3616G Atmospheric...

Page 24: ...riod Cooking Energy Efficiency The quantity of energy input to the food prod ucts expressed as a percentage of the quantity of energy input to the appliance during the heavy and light load tests Duty...

Page 25: ...ure Steam Cooker Steam cooker wherein the cooking compart ment operates between 3 and 9 9 psig ASTM F1217 92 Classification Type II Measured Input Rate kW or Btu h Measured Energy Input Rate Measured...

Page 26: ...the nameplate Steam Cooker Cooking appliance wherein heat is imparted to food in a closed compartment by direct contact with steam The compartment can be at or above atmospheric pressure The steam can...

Page 27: ...B Appliance Specifications 5011 03 23 B 1 Food Service Technology Center Appendix B includes the product literature for the Groen Vortex Model VRC 6E steamer...

Page 28: ...Two Compartment 8 full size pan capacity ______ Size 2 10 Two Compartment 10 full size pan capacity ______ Size 2 12 Two Compartment 12 full size pan capacity ______ Size 2 16 Two Compartment 16 full...

Page 29: ...rate of 150 cfm per linear foot of hood with the ambient temperature maintained between 75 5 F All test apparatus were installed in accordance with Section 9 of the ASTM test method 1 The steamer was...

Page 30: ...uction Capacity and Water Consumption Rate Heavy Load Test Voltage 208 V Cooking Time 30 5 min Cooking Energy Efficiency 91 5 2 5 Cooking Energy Rate 8 0 0 1kW Production Capacity 94 5 1 6 lb h Water...

Page 31: ...Rate Heavy Load Test Voltage 208 V Cooking Time 24 8 min Cooking Energy Efficiency 71 0 2 7 Cooking Energy Rate 5 1 0 2 kW Production Capacity 116 2 2 7 lb h Water Consumption Rate 4 0 gal h Light Loa...

Page 32: ...03 23 D 1 Food Service Technology Center Table D 1 Specific Heat and Latent Heat Specific Heat Btu lb F Water 1 00 Green Peas Frozen 0 44 Green Peas Cooked 0 84 Red Potatoes 0 84 Latent Heat Btu lb Fu...

Page 33: ...ght of Frozen Food lb 48 0 48 0 48 0 Weight of Stainless Steel Pans lb 15 7 15 7 15 7 Moisture Content 81 81 81 Condensate Temperature F n a n a n a Water Consumption gal h 4 0 4 0 4 0 Calculated Valu...

Page 34: ...1 Weight of Frozen Food lb 8 0 8 0 8 0 Weight of Stainless Steel Pans lb 2 8 2 4 2 4 Moisture Content 81 81 81 Condensate Temperature F n a n a n a Water Consumption gal h 4 0 4 0 4 0 Calculated Value...

Page 35: ...0 Moisture Content 84 84 84 Condensate Temperature F n a n a n a Water Consumption gal h 4 0 4 0 4 0 Calculated Values Moisture Weight in Potatoes lb 40 35 40 34 40 36 Average Weight of Each Potato lb...

Page 36: ...Moisture Content 84 84 84 Condensate Temperature F n a n a n a Water Consumption gal h 4 0 4 0 4 0 Calculated Values Moisture Weight in Potatoes lb 6 72 6 72 6 72 Average Weight of Each Potato lb 0 16...

Page 37: ...8 60 6 93 9 Average 91 5 60 8 94 5 Standard Deviation 1 02 0 86 0 66 Absolute Uncertainty 2 53 2 13 1 64 Percent Uncertainty 2 77 3 50 1 73 Table D 7 Red Potato Cooking Energy Efficiency and Productio...

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