CMA Dishmachines EST-44 Building instructions

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Table of Contents
EST-44
1. SPECIFICATIONS................................................................................................. 2
1.1. EST- 44........................................................................................................................................... 2
2. GETTING STARTED............................................................................................ 3
2.1. Introduction to CMA Model EST -44............................................................................................. 3
2.2. Receiving and Installation .............................................................................................................. 4
2.2.1. Box Item List........................................................................................................................... 4
2.2.2. Electrical ................................................................................................................................ 5
2.2.2.1. Control Box Components ............................................................................................... 6
2.2.3. Plumbing................................................................................................................................. 7
2.2.4. Scrap Tray Assembly Installation........................................................................................... 9
2.2.5. Conveyor Drive/ Rack Speed.................................................................................................10
2.2.6. Wash Pump Assembly and Impeller.......................................................................................11
2.2.7. Table Limit Switch Installation..............................................................................................12
2.2.8. Optional Vent Hood Adapter’s Installation...........................................................................13
2.2.9. Chemical Dispenser Connection ...........................................................................................14
2.2.10. Optional Exhaust Fan Control P/N 13578.00 ......................................................................14
2.2.11. (Optional) E-Temp Booster Heater .......................................................................................15
2.3. EST-44 Safety Tips .......................................................................................................................16
3. OPERATION ........................................................................................................ 17
3.1. Beginning Operation......................................................................................................................17
3.2. Cleaning Instructions.....................................................................................................................19
3.3. Regular Service and Maintenance Checklist .................................................................................20
3.4. Trouble Shooting...........................................................................................................................21
4. EST-44/66 CUSTOMER NOTICE........................................................................ 3
5. PARTS MANUAL .................................................................................................. 5
5.1. Initial Parts Kit ............................................................................................................................... 5
5.2. Exploded View Drawings............................................................................................................... 6
5.2.1. Cabinet Assembly ................................................................................................................... 6
5.2.2. Control Box Assembly (3 Phase) ............................................................................................ 7
5.2.1. Control Box Assembly (1 Phase) ............................................................................................ 8
5.2.2. 480V Control Box Assembly (480V machines only) ............................................................... 9
5.2.3. Curtain and Optional Vent System ........................................................................................10
5.2.4. Old Wash Temperature Control System (Square Flange) .....................................................11
5.2.5. New Wash Temperature Control System (Triangular Flange)..............................................12
5.2.6. Rinse Temperature Control System .......................................................................................13

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5.2.7. Wash Pump Assembly (3 Phase)............................................................................................14
5.2.8. Wash Pump Assembly (1 Phase)............................................................................................15
5.2.9. Power Rinse Pump Assembly.................................................................................................16
5.2.10. Drain System Assembly..........................................................................................................17
5.2.11. Plumbing System Assembly (Auto-Fill) .................................................................................18
5.2.12. Plumbing System Assembly (Final Rinse)..............................................................................19
5.2.13. Wash System Assembly ..........................................................................................................20
5.2.14. Rocker Arm Assembly............................................................................................................21
5.2.15. Start Switch and Rinse Switch Assembly (Effective May 2014).............................................22
5.2.15.1. Right-to-Left Assembly.................................................................................................22
5.2.15.2. Left-to-Right Assembly.................................................................................................23
5.2.16. Start Switch and Rinse Switch Assembly ...............................................................................24
5.2.17. Door Switch Assembly (Effective August, 2014)....................................................................25
5.2.18. Optional E-Temp Heater (Effective September 1, 2018).......................................................26
5.2.19. Optional E-Temp Heater .......................................................................................................27
5.2.20. Unique Parts For EST-44 Tall machines...............................................................................28
6. TABLE LIMIT SWITCH (P/N 13469.20).......................................................... 29
7. DRAIN WATER TEMPERING KIT (OPTIONAL) ........................................ 30
8. ELECTRICAL DIAGRAM FOR 240V, 3 PHASE EST-44 ........................... 311
9. ELECTRICAL DIAGRAM FOR E-TEMP HEATER ONLY....................... 322
10. ELECTRICAL DIAGRAM FOR 480V EST-44.............................................. 333
11. ELECTRICAL DIAGRAM FOR 240V,1 PHASE EST-44 ............................ 344

MODEL EST-44 Service and Parts Manual Rev. 2 .08A Page
2
1. Specifications
1.1. EST- 44
WATER CONSUMPTION
PER RACK (FINAL RINSE)
.46 GAL.
.46 GAL.
PER HOUR (FINAL RINSE)
114 GAL.
114 GAL.
CONVEYOR SPEED
FEET PER MINUTE
6.75
6.75
OPERATING CAPACITY
RACKS PER HOUR (NSF rated)
249
249
OPERATING TEMPERATURE
WASH RECOMMENDED
140° - 150° F
150° - 160° F
PUMPED RINSE RECOMMENDED
140° - 150° F
150° - 160° F
FINAL RINSE RECOMMENDED
140° - 150° F
180° - 195° F
WATER REQUIREMENTS
INLET TEMPERATURE (MIN)
140° F
180° F
WATER INLET SIZE
1/2”
FINAL RINSE SIZE
1/2”
DRAIN SIZE
2”
FINAL RINSE PRESSURE
20 PSI
HEATERS
WASH HEATER
13.3 KW/240V(1 phase)
13KW/208V(3 phase)
RINSE HEATER
3KW/240V, 2.25KW/208V
MOTORS
WASH PUMP
1 HP
RINSE PUMP
1/3 HP
CONVEYOR
1/8 HP
DIMENSIONS
DEPTH
25-1/8”
WIDTH
44”
HEIGHT
55 -1/2”-56-1/2”
STANDARD TABLE HEIGHT
32 ½” adjusts to 34”
MAX CLEARANCE FOR DISHES
19”
VENTILATION REQUIREMENTS CFM
600 Total, 400 at exit, 200 at entrance
STANDARD RACKS
VOLTS
PHASE
AMPS
AMPS(Tall)
ELECTRICAL RATING 208
1
71
N/A
240
1
80
N/A
208
3
55
60.5
240
3
62.5
69
480
3
24
27
SHIPPING WEIGHT
662#
(300kg)
High temp
Low Temp

Getting Started
2. Getting Started
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 

               


 
  

     

 
  







 
 
 



    

                
 
    