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Table of Contents

EST-66

SPECIFICATIONS................................................................................................. 2

1.1.

EST- 66........................................................................................................................................... 2

GETTING STARTED ............................................................................................ 3

2.1.

Introduction to EST -66.................................................................................................................. 3

2.2.

Receiving and Installation .............................................................................................................. 4

2.2.1.

Electrical ................................................................................................................................ 5

2.2.2.

Plumbing*............................................................................................................................... 5

2.2.3.

Installation Notes.................................................................................................................... 5

2.2.4.

Optional Table Limit Switch ................................................................................................... 7

2.2.5.

Scrap Tray Assembly Installation ........................................................................................... 8

2.2.6.

Pump Impeller Note................................................................................................................ 9

2.2.7.

Optional Hood Adapter (Set of Two).................................................................................... 10

2.2.8.

Field Installed Accessories ................................................................................................... 11

2.2.8.1.

Chemical Dispensers .................................................................................................... 11

2.2.8.2.

Hood Fan Motor ........................................................................................................... 11

2.2.9.

EST-66 Heaters..................................................................................................................... 11

2.3.

Safety Tips for the EST-66 ........................................................................................................... 13

OPERATION ........................................................................................................ 14

3.1.

Initial Setup .................................................................................................................................. 14

3.1.1.

Rinse Pressure Regulator ..................................................................................................... 14

3.1.2.

Wash and Rinse Temperatures ............................................................................................. 14

3.2.

Beginning Operation..................................................................................................................... 15

3.2.1.

Chemical Dispensing ............................................................................................................ 16

3.2.1.1.

Low Temperature Applications .................................................................................... 17

3.3.

Regular Service and Maintenance Checklist ................................................................................ 17

3.4.

Trouble Shooting .......................................................................................................................... 19

EST-66 CUSTOMER NOTICE .............................................................................. 20

ELECTRICAL DIAGRAM FOR 230V EST-66................................................ 22

ELECTRICAL DIAGRAM FOR E-TEMP HEATER ONLY......................... 23

ELECTRICAL DIAGRAM FOR 480V EST-66................................................ 24

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Содержание EST66 H.T.

Страница 1: ...Rev 1 01A www cmadishmachines com ...

Страница 2: ...ories 11 2 2 8 1 Chemical Dispensers 11 2 2 8 2 Hood Fan Motor 11 2 2 9 EST 66 Heaters 11 2 3 Safety Tips for the EST 66 13 3 OPERATION 14 3 1 Initial Setup 14 3 1 1 Rinse Pressure Regulator 14 3 1 2 Wash and Rinse Temperatures 14 3 2 Beginning Operation 15 3 2 1 Chemical Dispensing 16 3 2 1 1 Low Temperature Applications 17 3 3 Regular Service and Maintenance Checklist 17 3 4 Trouble Shooting 19 ...

Страница 3: ...UIREMENTS 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 10KW 208V RINSE HEATER 3KW MOTORS WASH PUMP 2 1 HP RINSE PUMP 1 3 HP CONVEYOR 1 8 HP DIMENSIONS DEPTH 25 1 8 WIDTH 66 HEIGHT 55 1 2 56 1 2 STANDARD TABLE HEIGHT 32 adjusts to 34 MAX CLEARANCE FOR DISHES 19 STRANDARD RACKS 19 x 19 ELECTRICAL...

Страница 4: ...the EST 66H requires two supply lines one at a minimum water temperature of 180 F for RINSE and the other at a minimum temperature of 140 F for FILL The EST 66 features a scrap tray that may be emptied on a periodic basis without interruption of the flow of work and the manner in which the tank is filled ensures that the dishes are always rinsed with fresh water instead of re circulated water The ...

Страница 5: ... dirty end of the machine Next mount the scrap tray assembly and overflow chute into position see section 2 2 5 Scrap Tray Assembly All of the spray arms should be inserted and in place over the wash tank compartments There are a total of three curtains used in the EST 66 two are long narrow one is short wide The two long narrow curtains have shorter rods than the other two curtains The short rods...

Страница 6: ... two 2 drain connections to be made One connection is made at either end of the horizontal drainpipe coming from the wash tank and the other connection is made at the scrap tray drain Instructions for installing the scrap tray assembly are provided in section 2 2 5 Scrap Tray Assembly One of the ends of the horizontal drainpipe has a cap on it simply move the cap to the other end if it s currently...

Страница 7: ...emoving the dust cap on the back of the motor The motors must turn clockwise looking at the shaft from the back of each motor To change the direction of rotation switch any two power lead wires at the motor 5 The machine must be running to set the pressure regulator While the machine is in the FINAL RINSE CYCLE adjust the pressure regulator to 20 PSI See section 3 1 1 Rinse Pressure Regulator for ...

Страница 8: ...Getting Started 2 2 4 Optional Table Limit Switch Please see section 5 for Installation Instructions MODEL EST 66 Service Parts Manual Rev 1 01A Page 7 ...

Страница 9: ...rap trap holder Don t install upside down otherwise water deflection takes place ITEM NO NO REQ D P N DESCRIPTION ITEM NO NO REQ D P N DESCRIPTION 1 1 01577 20 Scrap Trap Drawer Molded 4 11 00912 00 20 Nylon Lock Nut 2 1 01577 10 Scrap Trap Body Molded 5 11 00924 00 SS Flat Washer 3 1 17579 00 Scrap Trap Holder 6 4 00906 00 20 X Hex Head Bolt 1 Remove the items from their packing and verify that a...

Страница 10: ... Nut indicated by the arrow in Figure 2 2 5 must be in place to prevent the impeller from spinning off of the shaft and damaging the motor Removal The Nylon Lock Nut indicated by the arrow in Figure 2 2 5 must be removed before attempting to remove the water pump impeller MODEL EST 66 Service Parts Manual Rev 1 01A Page 9 ...

Страница 11: ...MA vent hood adapters have been engineered to retain the temperature within the dishmachine CMA s vent hood adapters are designed to draw steam beyond the outside end curtains Do not adapt the facilities existing vent hood system to draw the steam between the end curtains and wash chamber otherwise the wash and power rinse tank will have difficulty maintaining proper temperatures MODEL EST 66 Serv...

Страница 12: ...nly to the primary side of the Listed Class 2 Transformer 208 230 VAC 60 Hz 100 VA maximum load 2 2 8 2 Hood Fan Motor T1 T2 L1 L2 FAN CONTACTOR P N 404 81 TERMINAL BLOCK WIRES FROM THE POWER SOURCE WIRES TO THE FAN 220 VAC OR 110 VAC SUPPLIED BY ELECTRICIAN DETERGENT SIGNAL REMOVE AND DISCARD LOOP CONNECT 2 WIRES FROM TABLE LIMIT SWITCH 2 2 9 EST 66 Heaters Power switch needs to be activated when...

Страница 13: ...Getting Started MODEL EST 66 Service Parts Manual Rev 1 01A Page 12 ...

Страница 14: ...oving bar Do not reach into the rocker arm area without first making sure the dishmachine is turned off at the circuit breaker CAUTION Do not open the front door when the machine is in operation CAUTION Avoid spraying water on or around the electrical control box on the top of the machine When cleaning do not spray water directly on the motors CAUTION When removing the final rinse arms for cleanin...

Страница 15: ...ivates the water solenoid With the rinse water flowing adjust the pressure regulator until the gauge reads 20 PSI Adjustment tip Always adjust down when setting this pressure regulator In other words intentionally raise the pressure above the desired set point and then carefully bring it down to the correct pressure 3 1 2 Wash and Rinse Temperatures The wash and rinse temperatures for the EST 66 a...

Страница 16: ... The Tank heater will maintain a minimum temperature of 140 F if the final rinse is providing 140 F 150 F at all times EST 66L 150 F minimum will be maintained if the final rinse is 180 F 195 F EST 66H If the thermostats located behind the stainless steel covers should need adjustment there is a thermostat adjustment access hole located on the covers Tip If you are having difficulty maintaining wa...

Страница 17: ...fter a rack releases the cycle start switch and then shut off This time delay relay prevents the machine from continuing to run when a dish rack is not in the machine 3 2 1 Chemical Dispensing This machine must be operated with an automatic detergent feeder and automatic chemical sanitizer feeder including a visual means to verify that detergents and sanitizers are delivered or a visual or audible...

Страница 18: ...machine a The stainless steel on the inside of the machine should be clean and shiny no dull look or buildup of white lime scale b Check the condition of the strainer trays for excessive garbage The machine operator should be cleaning the machine explain proper cleaning procedures c Open the drains and check to make sure they are all working properly d Check float chambers for debris 3 Once the ma...

Страница 19: ...d Observe the final rinse pressure at 20 PSI Adjust if necessary 9 Check the condition of the chemical tubing coming from the detergent rinse and sani buckets up to the machine 10 With the machine stopped check the roller cam bearing on the conveyor You should be able to move the outer cover of that roller cam bearing with your finger Also keep it well greased so that the outer covering does not f...

Страница 20: ...Tray track alignment Adjust properly Low incoming water supply 150 F low temp 180 F high temp Check hot water supply Thermostat setting Adjust thermostat Vent hoods Close vents as much as possible Low wash tank temperature Defective heater Replace heater Plugged rinse jets Remove and clean Pressure regulator out of adjustment Adjust pressure regulator Water sol valve coil or diaphragm Replace or c...

Страница 21: ...Operation 4 EST 66 Customer Notice MODEL EST 66 Installation and Operation Manual Rev 1 01A Page 20 ...

Страница 22: ...hermostat settings Failure of equipment unrelated to the machine Abuse to equipment or failure to perform minimum cleaning requirements as outlined at time of installation a Rinse and wash arm tips clean and free of debris b Strainer trays clean and free of debris c Water tank drains clean and free of debris Trip switch blocked or held from free movement due to a lodged utensil or dish Lines to ch...

Страница 23: ...Operation 5 Electrical Diagram For 230V EST 66 MODEL EST 66 Installation and Operation Manual Rev 1 01A Page 22 ...

Страница 24: ...WIRE DIAGRA M FOR E TEMP HEATER 2 3 8 POWER BOOSTER HEATER CONTACTOR T1 T2 T3 L1 L2 L3 24 KW BOOSTER HEATER ADJ THERMOSTAT HI LIMIT SWITCH ROCKER SWITCH L 1 L 1 L 1 L 2 L 2 1 PHASE TOP 3 PHASE TOP L 2 L 3 12kW HEATER WIRING OPTIONS Use one 12 kW heating element for 40 F rise Use two 10 kW heating elements for 70 F rise ...

Страница 25: ...Operation 7 Electrical Diagram For 480V EST 66 MODEL EST 66 Installation and Operation Manual Rev 1 01A Page 24 ...

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