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NSF/ANSI 3
Commercial Warewashing Equipment

Racks per Hour / Dishes per Hour / Water Consumption Calculations

For informational purposes, the estimated racks per hour or dishes per hour for NSF/ANSI 3 Certified dishwashers can be calculated as follows:

Racks per Hour for Stationary Rack Dishwashers = 3600(NR) / TC

Racks per Hour for Rack Conveyor Dishwashers = (CS)(60) / RL

Dishes per Hour for Rackless Conveyor Dishwashers = (120)(CS)(CW) / PD

Water Consumption (gallons per hour) for Stationary Rack Dishwashers = (GPC)(RPH)

Water Consumption (gallons per hour) for Conveyor Dishwashers = (GPM)(60)

Where: CS = Conveyor speed measured in feet per minute
              CW = Conveyor width measured in inches
              GPC = Gallons per cycle
              GPM = Gallons per minute
              NR = Number of racks the dishwasher is designed to hold per cycle
              PD = Distance between pegs measured in inches, center to center of the peg, in the direction of conveyor travel
              RL = Length of the rack measured in feet
              RPH = Racks per hour
              TC = Total cycle time measured in seconds

The total cycle time includes wash, rinse, dwell, and load times. Load times will vary depending on the type of dishwasher. Estimated load times commonly used for specific types of dishwashers are as follows:
door type (straight thru) - 5 seconds
door type (corner) - 7 seconds
hood type - 8 seconds
front opening type - 30 seconds



 
Ecolab, Inc. 
Ecolab Global HQ
1 Ecolab Place 
St. Paul, MN 55102-1390 
United States 
651-293-2524

Facility : L-1 USA


CONVEYOR DISHWASHING MACHINES
      Final Rinse    
      (20 psi) Conveyor Speed  
  Model Conveyor Flow Usage (Max.) Footnotes
  Number Width gpm gph (ft/min.)  

Single Tank Rack Conveyor Dishwasher – (Dual Sanitizing Mode Machine)
  EC44 20"  3.7   223   6.8   
  EC44-LW 20"  2.5   151   6.8   
  EC44-LWB 20"  2.5   151   6.8   
  EC44HH 20"  3.7   223   6.8   
  EC44HH-LW 20"  2.5   151   6.8   
  EC44HH-LWB 20"  2.5   151   6.8   
  EC66 20"  3.7   223   6.8   
  EC66-LW 20"  2.5   151   6.8   
  EC66HH 20"  3.7   223   6.8   
  EC66HH-LW 20"  2.5   151   6.8   

Single Tank Conveyor - Chemical Sanitizing
  ET-44 20x20  4.84   250   5.7   [1] [2]
  ET-66 20x20  4.84   250   5.7   [1] [2]
 
[1] Unit accepted only when installed with NSF Standard 29 Certified dispenser.
[2] Unit is tested and Certified as a dual sanitizing mode machine. The sanitizing mode is
    designed to be converted in the field by the manufacturer or its authorized service
    representative.

Single Tank Rack Conveyor - Chemical Sanitizing[3]
  ES-4400CS 20x20  3.9   234   6.5   [4]
  ES-4400CSS 20x20  3.9   234   6.5   [4]
  ES-6600CS 20x20  3.9   234   6.5   [4] [5]
  ES-6600CSS 20x20  3.9   234   6.5   [4] [5]
  ES-8000CS 20x20  3.9   234   6.5   [4] [5]
  ES-8000CSS 20x20  3.9   234   6.5   [4] [5]
  PA-C4-CS 20x20  3.9   233   6   [4]
  WH-44CS 20x20  3.89   233   6   [4]
  WH-44CSS 20x20  3.89   233   6   [4]
  WH-66CS 20x20  3.89   233   6   [4]
  WH-66CSS 20x20  3.89   233   6   [4]
 
[3] Units produced after February 15, 2007 may be dual temperature convertible models.
[4] Nonrecirculated, fresh water, rinal rinse, 50 ppm available chlorine.
[5] With recirculated prewash.  Prewash temperature 110° - 140°F is obtained from wash tank
    overflow and fresh water supply.

Single Tank Rack Conveyor - Hot Water Sanitizing[3]
  ES-4400 20x20  3.9   234   6.9   
  ES-4400S 20x20  3.9   234   6.9   
  ES-6600 20x20  3.9   234   6.9   [5]
  ES-6600S 20x20  3.9   234   6.9   [5]
  ES-7600CS 20x20  4.6   279   7.5   [5]
  ES-8000 20x20  3.9   234   6.9   [5]
  ES-8000S 20x20  3.9   234   6.9   [5]
  PA-C4 20x20  3.89   233   6   
  WH-44 20x20  3.89   233   6   
  WH-66 20x20  2.89   233   6   [5]
 
[3] Units produced after February 15, 2007 may be dual temperature convertible models.
[5] With recirculated prewash.  Prewash temperature 110° - 140°F is obtained from wash tank
    overflow and fresh water supply.


GLASSWASHING MACHINES

Glasswasher
  DF
  SW-400L
  SW-400R
  SW-600L
  SW-600R


STATIONARY RACK DISHWASHING MACHINES
      Final Rinse    
      (20 psi) Operating Time  
  Model Rack Size Flow Usage (seconds) Footnotes
  Number Width gpm gph Wash Rinse Dwell  

Single Tank Door (Dual Sanitizing Mode Machines)
  Apex HT 20x20  N/A   45.6   45   10   1.9   
  E-HT 20x20  4   25.7   45   7   8   
  E-HT-V 20x20  4   21.5   45   7   20   
  XL-HT 20x20  N/A   45.6   45   10   1.9   
  XL-HT VV 20x20  N/A   45.6   45   10   1.9   

Single Tank Door - Chemical Sanitizing
  Apex TSC 20x20  N/A   55.7   42   15   15   
  Apex TSC 20x20  N/A   40.8   42   25   18   
  Apex TSC Double 2(20x20)  11.9   91.26   53   14   20   [1]
  Apex TSC-V 20x20  N/A   55.7   42   15   15   
  ES-1000HN 20x20  6.6   28.8   56   35   26   [2] [3]
  ES-1000N 20x20  6.6   28.8   56   35   26   [2] [3]
  ES-1000N/B 20x20  6.6   28.8   56   35   26   [2] [3]
  ES-2000HH 20x20  N/A   90.4   44   25   16   [4] [5] [6]
  ES-4000 2(20x20)  N/A   88.92   41.94   25.8   18.07   [1] [6] [7] [8] [9] [10]
  ES-4000 2(20x20)  N/A   144   35   20   16   [1] [7] [8] [9] [10]
  ES-4000 2(20x20)  N/A   120   40   25   20   [1] [7] [8] [9] [10]
  ES-4000 2(20x20)  11.9   91.26   53   14   20   [1] [7] [8] [9] [10]
  KAY QSR TSC 20x20  N/A   55.7   42   15   15   
  KAY QSR TSC 20x20  N/A   40.8   42   25   18   
  KAY QSR TSC-V 20x20  N/A   55.7   42   15   15   
  Omega 20x20  N/A   48   43   25   20   [4] [11]
  Omega 5 20x20  N/A   36   46   25   21   
  Omega 5E 20x20  N/A   36   46   25   21   [6]
  Omega 5E 20x20  N/A   36   43   24   18   [6]
  Omega 5E-P 20x20  N/A   36   46   25   21   
  Omega 5E-P 20x20  N/A   36   43   24   18   
  Omega 5ED 20x20  N/A   36   46   25   21   
  PA-2 2(20x20)  11.9   91.26   53   14   20   [1] [7] [8] [10] [11]
  PA-2 2(20x20)  N/A   144   35   20   16   [1] [7] [8] [11] [13]
  PA-2 2(20x20)  N/A   144   35   20   16   [1] [7] [8] [10] [11]
  PA-U 20x20  6.6   28.8   56   35   26   [2] [13]
  PA-UN 20x20  6.6   28.8   56   35   26   [2] [3]
  PA-UNB 20x20  6.6   28.8   56   35   26   [2] [3]
  Typhoon 20x20  N/A   55.7   42   15   15   [4]
  XL-RW 20x20  N/A   45.6   45   10   1.9   
  XL-RW VV 20x20  N/A   45.6   45   10   1.9   
 
[1] Suffix "CDR" or "CDL" may appear.  "CDR" indicates a right corner door option.  "CDL"
    indicates a left corner door option.
[2] Dwell includes drain and fill cycles.
[3] Model will always be supplied with sanitizer pump, however detergent and rinse aid
    feeders are optional.
[4] Model may be equipped with vapor vent steam removal system.
[5] Wash temperature 130°F.
[6] Unit is NSF Certified for use with Peroxyoctanoic Acid at 8 ppm.
[7] Accepted only with Jackson chemical feeders, peristaltic pump or pinch valve.
[8] Single tank machine utilizing two racks per complete operating cycle.
[9] Tested for reduced water usage in June, 1995; previous rinse usage was 192 gph.
[10] Pumped rinse, minimum 50 ppm available chlorine, minimum 120° F.
[11] Model designation may be followed by suffix "XSP" indicating that unit is equipped with
     XSP dispensing system for dispensing of solid detergent and rinse additive.
[13] Dwell includes drain, flush and fill cycles.

Single Tank Door - Chemical Sanitizing Undercounter Dishmachine
  501LT 20x20  4   36.6   90   25   27   [6]
  U-LT-1 20x20  N/A   32   90   25   27   [6]
 
[6] Unit is NSF Certified for use with Peroxyoctanoic Acid at 8 ppm.

Single Tank Door - Hot Water Sanitizing
  ES-2000HT 20x20  N/A   69   41   11   8   [14]
  Inferno 20x20  N/A   69   41   11   8   [14]
  JP-24 20x20  6.6   26.4   82   10   28   [15] [16] [17]
  JPX-300H 20x20  6.6   26.4   82   10   28   [17] [18] [19]
  Omega HT 20x20  N/A   69   41   11   8   [14]
  PA-HT 20x20  5.46   72   45   15   2   [4] [20]
  TS-57 20x20  5.46   57   45   11   2   [24]
  TempStar 20x20  5.46   57   45   11   2   [21]
  TempStar HH 20x20  5.46   72   45   15   2   [20] [22] [23]
 
[4] Model may be equipped with vapor vent steam removal system.
[14] Model designation may have suffix "V" denoting vapor vent steam removal system.
[15] Non-steam-heated models without integral booster require 180°F minimum fresh water
     hook-up.
[16] Model designation may have suffix of (1) "F" denoting free standing machine with top and
     side panels standard, (2) "B" denoting that the unit is supplied with a built-in booster
     for a minimum 40°F rinse temperature rise or (3) "BF" denoting the unit is equipped as
     in both suffixes "F" and "B" combined.
[17] Extended Wash Cycle Option (262 seconds) available.
[18] Unit is supplied with integral booster for minimum 40°F rinse temperature rise.
[19] Model may have detergent or rinse aid chemical feeder pump or both.
[20] Non-recirculated fresh water final rinse.
[21] Non-recirculated fresh water final rinse.
[22] Unit equipped with a multiple setting time delay feature to extend wash times.  Maximum
     wash time delays are 5 minutes.
[23] Model designation may have a suffix or (1) "/NB" to indicate that the unit does not come
     with an integral booster and must be supplied with a minimum 180°F fresh water hook-up
     or (2) "GP" or "GPX" to indicate gas-heated model.  Gas-heated machines have a
     single-source gas booster which maintains the appropriate wash tank temperature.  Models
     without a suffix come with an integral booster for a minimum 40°F rinse temperature rise.
[24] Model designation may have a suffix of (1) "S" to indicate steam-heated model, (2) "GP"
     to indicate gas-heated model.  Gas-heated machines have a single-source gas booster
     which also maintains the appropriate wash tank temperature.

Single Tank Door - Hot Water Sanitizing Undercounter Dishmachine
  501HT 20x20  4   36.6   90   25   27   
  U-HT-1 20x20  N/A   28.2   70   15   5   

COMPONENTS:

Single Tank Chemical Sanitizing Dishmachines
  ES-1000 20x20  6.6   28.8   56   35   26   
  ES-1000H 20x20  6.6   28.8   56   35   26   
  ES-2000 20x20  N/A   48   40   25   20   [4] [6] [10] [12] [13] [14] [25] [26]
  ES-2000 20x20  N/A   57.6   40   15   16   [4] [10] [12] [13] [14] [25] [26]
  ES-2000 20x20  N/A   40.8   42   25   18   [4] [6] [10] [12] [13] [14] [25] [26]
  ES-2000CS 20x20  N/A   40.8   42   25   18   [4] [6] [10] [13] [14] [25]
  ES-2000CS 20x20  N/A   57.6   40   15   16   [4] [10] [13] [14] [25] [26]
  ES-2000CS 20x20  N/A   48   40   25   20   [4] [6] [10] [13] [14] [26]
  PA-1 20x20  N/A   40.8   42   25   18   [6] [10] [13] [14]
  PA-1 20x20  N/A   57.6   40   15   16   [10] [13] [14]
 
[4] Model may be equipped with vapor vent steam removal system.
[6] Unit is NSF Certified for use with Peroxyoctanoic Acid at 8 ppm.
[10] Pumped rinse, minimum 50 ppm available chlorine, minimum 120° F.
[12] Model designation may have suffix "PH" to indicate liquid chemical feeder.
[13] Dwell includes drain, flush and fill cycles.
[14] Model designation may have suffix "V" denoting vapor vent steam removal system.
[25] Units are equipped with XSP dispensing system for dispensing of solid detergent and
     rinse additive.
[26] Tested for reduced water usage in June 1995; previous rinse usage was 192 gph.


Facility : L-4 USA


CONVEYOR DISHWASHING MACHINES
      Final Rinse    
      (20 psi) Conveyor Speed  
  Model Conveyor Flow Usage (Max.) Footnotes
  Number Width gpm gph (ft/min.)  

Single Tank Rack Conveyor - Hot Water Sanitizing
  ES-4400 20x20  3.9   234   6.9   [1] [2]
  ES-6600 20x20  3.9   234   6.9   [1] [2] [3]
  ES-8000 20x20  3.9   234   6.9   [1] [2] [3]
 
[1] Model number may contain suffix "S" indicating steam heated.
[2] Units produced after February 15, 2007 may be dual temperature convertible models.
[3] With recirculated prewash.  Prewash temperature 110° - 140°F is obtained from wash tank
    overflow and fresh water supply.

Single Tank Rack Conveyor Dishwasher – (Dual Sanitizing Mode Machine)
  EC44-LW 20"  2.5   151   6.8   
  EC44-LWB 20"  2.5   151   6.8   
  EC44HH-LWB 20"  2.5   151   6.8   
  EC44 20"  3.7   223   6.8   
  EC44HH 20"  3.7   223   6.8   
  EC44HH-LW 20"  2.5   151   6.8   
  EC66 20"  3.7   223   6.8   
  EC66-LW 20"  2.5   151   6.8   
  EC66HH 20"  3.7   223   6.8   
  EC66HH-LW 20"  2.5   151   6.8   

COMPONENTS:

Single Tank Rack Conveyor - Chemical Sanitizing
  ES-4400 20x20  3.9   234   6.5   [2] [4] [5]
  ES-6600 20x20  3.9   234   6.5   [2] [3] [4] [5]
  ES-8000 20x20  3.9   234   6.5   [2] [3] [4] [5]
  WH-66 20x20  3.89   233   6   [2] [3] [4] [5]
  WH-44 20x20  3.89   233   6   [4] [5]
  WH-44CS 20x20  3.89   233   6   [2] [4]
  PA-C4-CS 20x20  3.9   233   6   [2] [4]
 
[2] Units produced after February 15, 2007 may be dual temperature convertible models.
[3] With recirculated prewash.  Prewash temperature 110° - 140°F is obtained from wash tank
    overflow and fresh water supply.
[4] Nonrecirculated, fresh water, final rinse, 50 ppm available chlorine.
[5] Model designation to be followed with suffix either of (1) "CS" for electrically heated
    or (2) "CSS" for steam heated.


GLASSWASHING MACHINES

COMPONENTS:

Vapor Vent Steam Removal System


STATIONARY RACK DISHWASHING MACHINES
      Final Rinse    
      (20 psi) Operating Time  
  Model Rack Size Flow Usage (seconds) Footnotes
  Number Width gpm gph Wash Rinse Dwell  

Single Tank Door (Dual Sanitizing Mode Machines)
  Apex HT 20x20  N/A   45.6   45   10   1.9   
  E-HT 20x20  4   25.7   45   7   8   
  E-HT-V 20x20  4   21.5   45   7   20   
  XL-HT 20x20  N/A   45.6   45   10   1.9   
  XL-HT VV 20x20  N/A   45.6   45   10   1.9   

Single Tank Door - Chemical Sanitizing
  Apex TSC 20x20  N/A   40.8   42   25   18   
  Apex TSC 20x20  N/A   55.7   42   15   15   
  Apex TSC Double 2(20x20)  11.9   91.26   53   14   20   [1]
  Apex TSC-V 20x20  N/A   55.7   42   15   15   
  ES-1000HN 20x20  6.6   28.8   56   35   26   [2] [3]
  ES-1000N 20x20  6.6   28.8   56   35   26   [2] [3]
  ES-1000N/B 20x20  6.6   28.8   56   35   26   [2] [3]
  ES-2000 20x20  N/A   48   40   25   20   [4] [5] [6] [7] [8] [9] [17]
  ES-2000 20x20  N/A   57.6   40   15   16   [4] [5] [6] [7] [8] [9]
  ES-2000 20x20  N/A   40.8   42   25   18   [4] [5] [6] [7] [8] [9] [17]
  ES-2000-CS 20x20  N/A   57.6   40   15   16   [4] [5] [6] [7] [8]
  ES-2000-CS 20x20  N/A   48   40   25   20   [4] [5] [6] [7] [8]
  ES-2000-CS 20x20  N/A   40.8   42   25   18   [4] [5] [7] [8]
  ES-2000HH 20x20  N/A   90.4   44   25   16   [8] [10] [17]
  ES-4000 2(20x20)  N/A   88.92   41.94   25.8   18.07   [1] [5] [6] [11] [12]
  ES-4000 2(20x20)  11.9   91.26   53   14   20   [1] [5] [6] [11] [12]
  ES-4000 2(20x20)  N/A   120   40   25   20   [1] [5] [6] [11] [12] [17]
  ES-4000 2(20x20)  N/A   144   35   20   16   [1] [5] [6] [11] [12]
  KAY QSR TSC 20x20  N/A   55.7   42   15   15   
  KAY QSR TSC 20x20  N/A   40.8   42   25   18   
  KAY QSR TSC-V 20x20  N/A   55.7   42   15   15   
  Omega 20x20  N/A   48   43   25   20   [7] [8]
  Omega 5 20x20  N/A   36   46   25   21   
  Omega 5E 20x20  6.8   36   46   25   21   [17]
  Omega 5E 20x20  6.8   36   43   24   18   [17]
  Omega 5E-P 20x20  N/A   36   46   25   21   
  Omega 5E-P 20x20  N/A   36   43   24   18   
  Omega 5ED 20x20  N/A   36   46   25   21   
  Omega CS 20x20  N/A   55.7   42   15   15   [8]
  PA-1 20x20  N/A   40.8   42   25   18   [4] [5] [7] [8]
  PA-1 20x20  N/A   57.6   40   15   16   [4] [5] [7] [8]
  PA-1CS 20x20  N/A   40.8   42   25   18   [4] [5] [7] [8]
  PA-1CS 20x20  N/A   48   40   25   20   [4] [5] [6] [7] [8]
  PA-1CS 20x20  N/A   57.6   40   15   16   [4] [5] [6] [7] [8]
  PA-2 2(20x20)  11.9   91.26   53   14   20   [4] [5] [7] [12] [13]
  PA-2 2(20x20)  N/A   144   35   20   16   [1] [5] [7] [11] [12]
  PA-U 20x20  6.6   28.8   56   35   26   [2] [5]
  PA-UN 20x20  6.6   28.8   56   35   26   [2] [3]
  PA-UNB 20x20  6.6   28.8   56   35   26   [2] [3]
  Typhoon 20x20  N/A   55.7   42   15   15   [8]
  Typhoon TSC 20x20  N/A   55.7   42   15   15   
  Typhoon TSC-V 20x20  N/A   55.7   42   15   15   
  XL-RW 20x20  N/A   45.6   45   10   1.9   
  XL-RW VV 20x20  N/A   45.6   45   10   1.9   
 
[1] Suffix "CDR" or "CDL" may appear.  "CDR" indicates a right corner door option.  "CDL"
    indicates a left corner door option.
[2] Dwell includes drain and fill cycles.
[3] Model will always be supplied with sanitizer pump, however detergent and rinse aid
    feeders are optional.
[4] Dwell includes drain, flush and fill cycles.
[5] Pumped rinse, minimum 50 ppm available chlorine, minimum 120°F.
[6] Tested for reduced water usage in June, 1995; previous rinse usage was 192 gph.
[7] Model designation may be followed by suffix "XSP" indicating that unit is equipped with
    XSP dispensing system for dispensing of solid detergent and rinse additive.
[8] Model may be equipped with vapor vent steam removal system, which may be indicated by a
    suffix "V".
[9] Model designation may have suffix "PH" to indicate liquid chemical feeder.
[10] Wash temperature 130°F.
[11] Accepted only with Jackson chemical feeders, peristaltic pump or pinch valve.
[12] Single tank machine utilizing two racks per complete operating cycle.
[13] Unit is supplied with integral booster for minimum 40°F rinse temperature rise.
[17] Unit is NSF Certified for use with Peroxyoctanoic Acid at 8 ppm.

Single Tank Door - Hot Water Sanitizing
  E-XXION 20x20  5.46   57   45   11   2   [14]
  ES-2000HT 20x20  N/A   69   41   11   8   [8]
  Inferno 20x20  N/A   69   41   11   8   [8]
  Omega HT 20x20  N/A   69   41   11   8   [8]
  PA-HT 20x20  5.46   72   45   15   2   [8] [15]
  TS-57 20x20  5.46   57   45   11   2   [16]
 
[8] Model may be equipped with vapor vent steam removal system, which may be indicated by a
    suffix "V".
[14] Model designation may have suffix "E" to indicate electrically heated, "G" to indicate
     gas heated, or "S" to indicate steam heated.
[15] Non-recirculated fresh water final rinse.
[16] Model designation may have a suffix of (1) "S" to indicate steam-heated model, (2) "GP"
     to indicate gas-heated model.  Gas-heated machines have a single-source gas booster
     which also maintains the appropriate wash tank temperature.

COMPONENTS:

Single Tank Chemical Sanitizing
  ES-1000 20x20  6.6   28.8   56   35   26   
  ES-1000H 20x20  6.6   28.8   56   35   26   


Facility : L-3 Canada


CONVEYOR DISHWASHING MACHINES
      Final Rinse    
      (20 psi) Conveyor Speed  
  Model Conveyor Flow Usage (Max.) Footnotes
  Number Width gpm gph (ft/min.)  

Single Tank Rack Conveyor Dishwasher – (Dual Sanitizing Mode Machine)
  EC44 20"  3.7   223   6.8   
  EC44-LW 20"  2.5   151   6.8   
  EC44-LWB 20"  2.5   151   6.8   
  EC44HH 20"  3.7   223   6.8   
  EC44HH-LW 20"  2.5   151   6.8   
  EC44HH-LWB 20"  2.5   151   6.8   
  EC66 20"  3.7   223   6.8   
  EC66-LW 20"  2.5   151   6.8   
  EC66HH 20"  3.7   223   6.8   
  EC66HH-LW 20"  2.5   151   6.8   


STATIONARY RACK DISHWASHING MACHINES
      Final Rinse    
      (20 psi) Operating Time  
  Model Rack Size Flow Usage (seconds) Footnotes
  Number Width gpm gph Wash Rinse Dwell  

Single Tank Door - Chemical Sanitizing
  Omega 5E 20x20  N/A   36   43   24   18   [1]
  Omega 5E 20x20  N/A   36   46   25   21   [1]
  Omega 5E-P 20x20  N/A   36   43   24   18   
  Omega 5E-P 20x20  N/A   36   46   25   21   
  Omega 5ED 20x20  N/A   36   46   25   21   
 
[1] Unit is NSF Certified for use with Peroxyoctanoic Acid at 8 ppm.


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