Pitco L22-303 Service Manual Download Page 19

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I8 Water Cooker Computer Service

Pitco P/N PP11375

L22-303 Rev 0 (01/07)

NOTES;

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Summary of Contents for L22-303

Page 1: ...er cooker and rethermalizer products This microprocessor control offers the latest cooking technology including temperature and time compensation that requires no user adjustments for consistently cooked product Other features include drain valve interlock faulty probe detection selectable melt cycles beeper volume and cook temperature Each product key may be programmed with cook shake and hold ti...

Page 2: ...2 2 Shake Time 6 2 2 3 Hold Time 6 3 0 To enter Level 2 Options Programming store manager 6 3 1 Fahrenheit or Celsius Temperature Display 7 3 2 Password Settings 7 3 3 Beeper Volume Setting 7 3 4 Language Selection 7 3 5 Control or Timer Mode Setting 8 4 0 To enter Level Service Programming service technician 8 4 1 Offset Temperature Setting 8 4 2 Cancel Delay Setting 9 4 3 Minimum On Cycle Time S...

Page 3: ...igh Dead Band Adjustment 12 4 7 5 Control Temperature Average Setting 12 4 7 6 Display Temperature Average Setting 12 4 7 7 Minimum Fill Time Setting 13 4 7 8 Pilot Flame Sense Timer Adjustment 13 5 0 Control Alarm Displays 13 5 1 Open Probe Alarm 13 5 2 High Temperature Alarm 14 5 3 Drain Valve Alarm 14 5 4 Heat Failure Alarm 14 5 5 System Failure Alarm 14 6 0 Electrical Connections J1 15 7 0 Pro...

Page 4: ...osition The control display will be blank 1 3 To start a cook When the control display shows either READY or ACT xxx F press the desired product key For example press product key 4 to start cook timer 4 The key indicator above the product key will begin to flash and the cook timer should appear on the computer display If multiple cook timers are running the cook timer with the least amount of time...

Page 5: ...fault manager password 6684 using the product keys 0 9 The control display will show PROGRAM All of the Level 1Menu programming options shown below must begin with the control displaying this prompt PROGRAM 2 1 To set the Cook Temperature With the control display showing PROGRAM press the thermometer key once The control display will show SET xxx F where xxx is the current setpoint temperature Ent...

Page 6: ...ro which disables this alarm timer To enable the hold timer alarm a non zero value must be entered for this setting With the display showing nHDh mm ss where n is the desired product key HD means Hold and h mm ss is the time value in hours minutes seconds enter the new hold time value using the product keys 0 9 Press the program key three times to save and exit out of this programming option The c...

Page 7: ...e PASS REQ option was selected the display will show PASSxxxx where xxxx is the current password Enter the new password using the product keys 0 9 Press the program key The control display will show PROGRAM Press product key 0 to select more options below display shows SELECT or press the program key to return to normal operation display shows either READY ACT xxx F or FILLING 3 3 Beeper Volume Se...

Page 8: ...ss the program key If the control displays PASS enter the manager password or the default manager password 6684 using the product keys 0 9 The control display will show PROGRAM To enter into the Level 3 Service Menu key in the service password of 6685 using the product keys 0 9 The control display will show SERVICE The key indicators that light up will have options that can be adjusted Any key ind...

Page 9: ...h the control displaying SERVICE press product key 3 The display will show MINON xx where xx is the current minimum on cycle time in seconds Enter the new value using product keys 0 9 Press the program key to save this setting The display will now show SERVICE Continue on to the remaining service menu options below or press the program key twice to return to normal operation display shows either R...

Page 10: ...se the key to turn this output OFF The control display will show HEAT DEM 4 5 4 Side On SO or Transfer Output Press product key 4 to toggle this output ON or OFF The control display will show TRANSFER 4 5 5 Drain Switch DVI Input Press product key 5 to view the state of the drain switch input The control display will show either D CLOSED or D OPEN depending on whether the drain switch is open or c...

Page 11: ...nt This setting allows the READY idle message to be displayed a number of degrees below the current set temperature For example if the current set temperature is 180 F and the READY idle display message is to be displayed from 175 F to 180 F then this setting should be given a value of 5 The maximum value for this setting is 9 degrees With the control display showing MORE press product key 1 The d...

Page 12: ...grees With the control display showing MORE press product key 4 The display will now show DB HI x where x is the current High Dead Band value Enter the new value using product keys 0 9 Press the program key to save this setting The display will now show MORE Continue on to the remaining more service menu options below or press the program key three times to return to normal operation display shows...

Page 13: ...option adjusts the timer that is used by the control to detect an absence of a pilot flame in the appliance during a cold start During a cold start of the appliance the control will expect to sense a pilot flame before this timer times out If on a cold start a pilot flame is not sensed by the control when this timer expires the control outputs will be turned OFF heat will be turned off and an alar...

Page 14: ...e control display if the drain valve on the appliance is opened while the control is ON All heating and cooking functions are suspended if this alarm occurs 5 4 Heat Failure Alarm HEAT and FAILURE alternating This alarm will occur if the control does not sense a pilot flame or if the high limit switch has tripped and needs resetting All heating and cooking functions are suspended if this alarm occ...

Page 15: ...ERMISTOR PROBE Resistance varies with vat temperature 6 22K ohms at 212 F 5 DVI INPUT 24VAC DC Drain Valve Interlock 6 HFB INPUT 24VAC DC Heat FeedBack 7 24VDC COM PWR 0VDC DC RETURN 8 HD OUTPUT 24VDC Heat Demand 9 SO TRANSFER OUTPUT 24VDC Side On TRANSFER 10 RBL OUTPUT 24VDC Right Basket Lift 11 LBL OUTPUT 24VDC Left Basket Lift 12 FILL DONE INPUT 24VAC DC Fill Done signal NOTE The Diagnostics Me...

Page 16: ...2489 230 110 0 4675 395 201 7 576 09 70 21 1 108051 235 112 8 4329 400 204 4 547 09 75 23 9 95539 240 115 6 4013 405 207 2 519 86 80 26 7 84644 245 118 3 3723 410 210 0 494 24 85 29 4 75136 250 121 1 3458 415 212 8 470 16 90 32 2 66823 255 123 9 3214 420 215 6 447 49 95 35 0 59540 260 126 7 2991 425 218 3 426 13 100 37 8 53146 265 129 4 2785 430 221 1 406 02 105 40 6 47523 270 132 2 2597 435 223 9...

Page 17: ...I8 Water Cooker Computer Service Pitco P N PP11375 L22 303 Rev 0 01 07 17 8 0 Physical Dimensions 0 9 1 2 3 4 5 6 7 8 ...

Page 18: ..._________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ __________________________________________________________________...

Page 19: ..._________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ __________________________________________________________________...

Page 20: ...anada only or 603 225 6684 Worldwide www pitco com In the event of problems with or questions about your equipment please contact the Pitco Frialator Authorized Service and Parts ASAP covering your area or contact Pitco at the numbers listed to the left MAILING ADDRESS P O BOX 501 CONCORD NH 03302 0501 SHIPPING ADDRESS 10 FERRY ST CONCORD NH 03301 ...

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