Pitco L22-303 Service Manual

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Service Manual

I8 Water Cooker Computer

Covering (P/N PP11375)

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ENGLISH

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This manual details the operation and adjustment of the I8 Water Cooker computer developed for the Pitco water 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 times to keep pace with changing menus over time. This manual reveals all adjustments that are possible by keyboard entry, including passwords.

The target audience for this manual is the Service Technician.

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I8 Water Cooker Computer Service Pitco P/N PP11375

Table of Contents

1.0 Key Locations and Functions: 4

1.1 To turn the appliance ON: 4

1.2 To turn the appliance OFF: 4

1.3 To start a cook: 4

1.4 To cancel a cook: 4

1.5 To Check Actual and Set Temperatures: 4

1.6 To view the current Cook, Shake and Hold timer settings: 5

2.0 To enter Level 1 Programming(store manager): 5

2.1 To set the cook Temperature: 5

2.2 To change Cook, Shake and Hold timer settings: 5

2.2.1 Cook Time: 5

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 Setting: 9

4.4 Cancel Type Setting: 9

4.5 Diagnostics Menu: 9

4.5.1 Left Basket Lift (LBL) Output: 10

4.5.2 Right Basket Lift (RBL) Output: 10

4.5.3 Heat Demand (HD) Output: 10

4.5.4 Side On (SO) or Transfer Output: 10

4.5.5 Drain Switch (DVI) Input: 10

4.5.6 Heat Feedback (HFB) Input: 10

4.5.7 Fill Done Input: 10

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4.6 Recovery Test Value: 11

4.7 More Service Menu Options 11

4.7.1 Low Ready Level Adjustment: 11

4.7.2 High Ready Level Adjustment: 11

4.7.3 Low Dead Band Adjustment: 12

4.7.4 High 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 Probe Resistance Chart: 16

8.0 Physical Dimensions: 17

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I8 Water Cooker Computer Service Pitco P/N PP11375

1.0 Key Locations and Functions:

Program Key Temperature Key Clock Key

Key Indicators Key Indicators

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Product Keys 8 Digit Display Product Keys

1.1 To turn the appliance ON:

If power is applied to the appliance(plugged in) and the control is off, the display will be blank. Turn on the control by pressing the power on/off switch located on the right side of the control to the ON position. The control will then briefly display the software version number, and then display either [READY], [ACT xxx’F] (where xxx is the current vat temperature) or [FILLING] if the appliance is being filled with water.

1.2 To turn the appliance OFF:

Press the power on/off switch to the OFF position. 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 remaining will be displayed.

1.4 To cancel a cook:

Press the product key to cancel a running cook timer. If there are no other cook timers running, the computer will return to normal operation and display either [READY] or [ACT xxx’F] (where

xxx is the current vat temperature).

1.5 To Check Actual and Set Temperatures:

Press the temperature key to check the actual vat temperature. The control will momentarily display [ACT xxx’F] (where xxx is the current vat temperature) and then return to normal operation.

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To view the set temperature, press the thermometer key twice. The control will momentarily display [SET xxx’F] (where xxx is the set temperature), and then return to normal operation and display either [READY], or [ACT xxx’F].

1.6 To view the current Cook, Shake and Hold timer settings:

To view the current Cook, Shake and Hold timer settings for a cook timer, press the clock key, followed by the desired product key for which you want to check the time settings. For example, press the clock key, then product key 4.

The control will display [TM4 mm:ss] (where mm:ss is minutes:seconds), then [SH4 mm:ss] and [HD4 mm:ss] as the current time settings for product key 4.

2.0 To enter Level 1 Programming(store manager):

Note: The factory default setting for this control does not require an operator password to be entered. However, the operator password requirement and value may be changed in section

3.2. Entry of a password when NOT required will not interfere with the programming process.

While there are no cook timers running, and the control display shows either [READY], [ACT xxx’F], or [FILLING ], press 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 ].

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.

Enter the new set temperature using the product keys 0-9. Press the program key once to save this setting. The control display will show [PROGRAM ]. Continue on to the next Level 1 Menu programming option below, or press the program key again to exit it out of the Level 1 Menu. The control display will show either [READY], [ACT xxx’F], or [FILLING ] and the control will return to normal operation.

2.2 To change Cook, Shake and Hold Timer settings:

2.2.1 Cook Time

With the control display showing [PROGRAM], press the clock key. The display will show [SELECT] and all eight key indicators will light up. Press the

desired product key for the cook time to change. For example, press product key 4. The control display will show [4TM mm:ss], indicating that Cook Timer 4

has a timer setting of mm:ss in minutes:seconds. Enter the new cook time using the product keys 0-9. Press the clock key to save/exit this setting and proceed to the next step(2.2.2) or press the program key three times to exit out of this programming option and to return to normal operation.

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To deactivate the cook timer on a product key, enter in a cook time of zero for this key.

2.2.2 Shake Time

Shake Time is an alarm that sounds while a cook timer is running to prompt an operator to shake the product in the basket. The default value for shake time on a product key is zero, which disables this alarm. To enable the shake time alarm, a non-zero value must be entered for this setting. The shake time value must be less than the cook time.

With the display showing [nSH mm:ss] (where n is the desired product key, SH means Shake and mm:ss is the time value in minutes:seconds), enter the new shake time value using the product keys 0-9. NOTE: the time value entered will be the time remaining before the end of the cook.

Press the clock key to save/exit this setting and proceed to the next step(2.2.3) or press the program key three times to exit out of this programming option and

return to normal operation.

2.2.3 Hold Time

After a product is cooked, it may stand in bins for a period of time. Hold Time provides a timer to control how long a product stands in a bin. After the hold timer expires, an alarm will sound to inform the operator to cook more product. The default value for hold time on a product key is zero, 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 control display will show either [READY], [ACT xxx’F], or [FILLING ] and the control will return to normal operation.

3.0 To enter Level 2 Options Programming(store manager):

Note: The factory default setting for this control does not require an operator password to be entered. However, the operator password requirement and value may be changed in section

3.2. Entry of a password when NOT required will not interfere with the programming process.

Menu, press product key 0. The control display will show [SELECT ].

The key indicators that light up will have options that can be adjusted. Any key indicators that do not light up do not have options that can be adjusted.

All of the Level 2 Options Menu programming options shown below must begin with the control displaying this prompt [SELECT ].

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+ 14 hidden pages

Pitco L22-303 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual