CMA Dishmachines CMA-44 H.T. Скачать руководство пользователя страница 22

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Operation

3.5. Trouble

Shooting

PROBLEM LIKELY

CAUSE

SOLUTION

Pre-wash/power wash

motor inoperative

Bad motor or capacitor

Faulty contactor

Replace defective motor

Replace contactor

Fuse is burned out

Replace fuse

Table limit switch

Remove dish rack at switch

Defective door reed switch

Replace reed switch

Defective start reed switch

Replace reed switch

Defective auto/manual switch

Replace switch

Machine inoperative

Defective 60 Sec. Timer

Replace timer

Defective 60 Sec. Timer or settings

Replace timer or change settings

Machine runs continuously

Contactor stuck

Replace contactor

Float switch

Check movement-replace it

Defective thermostat or setting

Replace thermostat or adjust

Defective heater contactor

Replace heater contactor

Defective heater

Replace heater

Defective heater switch

Replace switch

Heater (no heat)

Wire connections

Check and correct

Broken rack

Replace rack

Racks stuck

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 clean

Dirty rinse jets

Remove and clean jets

Low rinse water pressure
or no rinse

Defective rinse reed switch

Replace reed switch

Dispenser or settings

Check dispenser troubleshooting guide

Chemicals

Rinse pressure

Set 20 psi.

Quick drain on pre-wash end

Plumb quick drain back into pre-wash
tank above water line

Sheet pans

Use CMA sheet pan rack

Machine loosing water

Drain valves open

Close completely

Tank water level low

Check rinse pressure, drain valve open

Clogged jets

Clean jets

Low spray arm pressure

Motors connected wrong

Connect motors to reverse impeller
direction

MODEL CMA-44 Installation & Operation Manual Rev. 2 .15B

Page

Содержание CMA-44 H.T.

Страница 1: ...800 854 6417 FAX714 895 2141 CMA DISHMACHINES 12700 KNOTT AVENUE GARDEN GROVE CALIFORNIA 92841 MODEL CMA 44 INSTALLATION OPERATION MANUAL MODEL CMA 44 INSTALLATION OPERATION MANUAL REV 2 16B ...

Страница 2: ...8 1 Chemical Dispensers 12 2 3 8 2 Hood Fan Motor 12 2 3 9 CMA 44 Heater 12 2 4 Safety Tips for the CMA 44 13 3 OPERATION 14 3 1 Initial Setup 14 3 1 1 Auto Fill Timer Auto Re Fill Timer 14 3 1 2 Auto Fill Timer Earlier Models with IDEC Timer Relay Socket 14 3 1 3 Rinse Pressure Regulator 15 3 1 4 Wash Tank Temperature 15 3 2 Beginning Operation 16 3 2 1 Chemical Dispensing 17 3 2 1 1 Low Temperat...

Страница 3: ...F 180 F WATER INLET SIZE FINAL RINSE SIZE 3 4 1 2 DRAIN SIZE 2 FINAL RINSE PRESSURE 20 PSI 5PSI HOLDING TANK CAPACITY 16 GAL PUMP CAPACITY ALL PUMPS 52 GPM each MOTORS WASH PUMP 2 1 HP CONVEYOR 1 3 HP DIMENSIONS DEPTH 25 1 8 WIDTH 44 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 RATING VOLTS PHASE AMPS 208 1 64 240 1 71 2...

Страница 4: ... providing a much cleaner environment for the wash and rinse cycles A single phase CMA 44 is available for installations where the only power available is 208V 230V 1 PH There are also enhancements that can be chosen when desired such as an optional Auto Fill function optional Vent Hood Adaptors and other machine accessories such as stainless steel dishtables Call 800 854 6417 for more information...

Страница 5: ...achine Next mount the scrap tray assembly and overflow chute into position see section 2 3 4 Scrap Tray Assembly and Overflow Chute Installation All of the spray arms should be inserted and in place over the wash tank compartments There are a total of four curtains used in the CMA 44 two are long narrow two are short wide The two long narrow curtains have shorter rods than the other two curtains T...

Страница 6: ...narrow four are long wide and one is short The two long narrow curtains and the one short curtain have shorter rods than the other four long wide curtains The short rods hold the curtains at the entrance and exit of the machine The sketch below lists curtain positions 1 through 6 In this case it represents a flow from left to right Reverse the sequence for right to left machines If the dish flow i...

Страница 7: ...k and the other connection is made at the scrap tray drain Instructions for installing the scrap tray assembly are provided in section 2 3 4 Scrap Tray Assembly and Overflow Chute Installation 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 on the end needed for the drain connection 2 3 3 Installation Notes 1 Tables must slant into...

Страница 8: ...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 3 Rinse Pressure Regulator for detailed instruct...

Страница 9: ...ex Head Bolt 2 11 00924 00 SS Flat Washer 7 1 17579 00 Scrap Trap Holder 3 11 00912 00 20 Nylon Lock Nut 8 1 01577 10 Scrap Trap Body Molded 4 1 13511 26 CMA 44P Overflow Gasket 9 1 01577 20 Scrap Trap Drawer Molded 5 1 13511 06 13511 16 CMA 44P Overflow Chute L R CMA 44P Overflow Chute R L 1 Remove the items from their packing and verify that all the pieces are present 2 Attach the overflow chute...

Страница 10: ...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 CMA 44 Installation Operation Manual Rev 2 15B Page 9 ...

Страница 11: ...ood Adapter Set of Two An optional Hood Adapter set P N 13901 82 is available The dimensions for proper installation are given below 53 9 65 Leg Adj 66 Vents Measure 4 x 16 MODEL CMA 44 Installation Operation Manual Rev 2 15B Page 10 ...

Страница 12: ...ier by locating the scrap trap some distance away from the Dishmachine ITEM NO NO REQ D P N DESCRIPTION ITEM NO NO REQ D P N DESCRIPTION 1 11 00912 00 1 4 20 Nylon Lock Nut 5 1 13511 26 Overflow Gasket 2 1 01307 00 Scrap Trap Flange Nut 6 2 00914 00 1 4 20 x 3 4 Hex Head Bolt 3 1 01308 00 Scrap Trap Flange Gasket 7 1 13512 00 Scrap Trap Adaptor 4 1 13512 10 Scrap Trap Adaptor Flange 8 1 01560 00 S...

Страница 13: ...t only to the primary side of the Listed Class 2 Transformer 208 230 VAC 60 Hz 100 VA maximum load 2 3 8 2 Hood Fan Motor T1 T2 L1 L2 FAN CONTACTOR TERMINAL BLOCK WIRES FROM THE POWER SOURCE WIRES TO THE FAN MOTOR 220 VAC OR 110 VAC SUPPLIED BY ELECTRICIAN DETERGENT SIGNAL 220 volts AC 2 3 9 CMA 44 Heater The 10kW heater located in the wash final rinse tank has an independent power switch which ne...

Страница 14: ...g 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 cleaning ex...

Страница 15: ...ntil float activates Auto Re Fill timer When the auto re fill is activated the machine should fill until water begins to overflow into the pre wash tank at which point it should be set to stop filling Note Auto Fill Auto Re Fill can be adjusted by turning potentiometer with a small flat blade screwdriver Since the range of this solid state timer is from 6 seconds to 240 seconds it is important to ...

Страница 16: ...to the ON position 3 Using a rod or something long to avoid contact with the rinse water actuate the final rinse trip switch this activates 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 th...

Страница 17: ...will maintain a minimum temperature of 140 F if the final rinse is providing 140 F 150 F at all times CMA 44L 150 F minimum will be maintained if the final rinse is 180 F 195 F CMA 44H If the thermostat located behind the stainless steel cover on the final rinse side of the machine should need adjustment there is a thermostat adjustment access hole located on the cover Tip If you are having diffic...

Страница 18: ...second time delay off relay will hold the machine in the run mode for 60 seconds after 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 The rinse and sanitizing agents are not injected during the initial fill stage They are injected into the final rinse make up...

Страница 19: ...e cleaning the machine explain proper cleaning procedures c Open the drains and check to make sure they are all working properly 3 Once the machine has drained remove both end curtains and remove all the strainer trays from the machine a Check all spray arms and jets clean as necessary Explain cleaning procedures to the operators b Check the drain openings making sure they are free and clear of de...

Страница 20: ... 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 freeze up 11 Check the conveyor system Make sure the complete system is running smoothly 12 Send two or three racks through the machine Check the scrap overflow While the racks ...

Страница 21: ... machine above water line Oil coming out of conveyor motor Broken shaft seal in gear box Replace gear box P N 13504 00 OR 12 Conveyor cam bearing destroyed Wrong conveyor motor rotation Replace bearing check and correct conveyor motor rotation P N 13507 50 Faulty reed switch at the dishmacine entrance Check and replace P N 00557 56 Machine only runs in manual mode Faulty conveyor timer Check and r...

Страница 22: ...ack Replace rack Racks stuck 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 c...

Страница 23: ...Customer Notice 4 CMA 44 Customer Notice MODEL CMA 44 Installation Operation Manual Rev 2 15B Page 22 ...

Страница 24: ...ect thermostat 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 ...

Страница 25: ...Electrical Diagrams 5 Electrical Diagram MODEL CMA 44 Installation Operation Manual Rev 2 15B Page 24 ...

Страница 26: ...Electrical Diagrams 6 Electrical Diagram Old Models MODEL CMA 44 Installation Operation Manual Rev 2 15B Page 25 ...

Страница 27: ...Electrical Diagrams 7 Electrical Diagram CMA 44 480 575 600 V MODEL CMA 44 Installation Operation Manual Rev 2 15B Page 26 ...

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