Henny Penny CFA-600 Operators Manual

Henny Penny

CFA Pressure Fryer

Electric Model 500

Gas Model 600

TECHNICAL MANUAL

Model 500/600

This manual should be retained in a convenient location for future reference.

A wiring diagram for this appliance is located on the rear shroud cover of the control panel.

Post in a prominent location, instructions to be followed if user smells gas. This information should be obtained by consulting the local gas supplier.

The Model 600 Fryer is equipped with a continuous pilot. But Fryer cannot be operated with out electric power. Fryer will automatically return to normal operation when power is restored.

Do not obstruct the ﬂ ow of combustion and ventilation air. Adequate clearance must be left all around appliance for sufﬁ cient air to the combustion chamber.

To avoid a ﬁ re, keep appliance area free and clear from combustibles.

Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment.

DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. FIRE OR EXPLOSION COULD RESULT.

FM06-003

Revised 7-28-10

710

Model 500/600

TABLE OF CONTENTS

Section Page

Section 1. TROUBLESHOOTING ............................................................................................... 1-1

1-1. Introduction ........................................................................................................ 1-1

1-2. Safety .................................................................................................................. 1-1

1-3. Troubleshooting .................................................................................................. 1-2

1-4. Warnings and Error Messages ............................................................................ 1-13

1-5. Diagnostic Mode Details .................................................................................... 1-16

1-6. Information Mode Details .................................................................................. 1-32

Section 2. MAINTENANCE ......................................................................................................... 2-1

2-1. Introduction ........................................................................................................ 2-1

2-2. Maintenance Hints .............................................................................................. 2-1

2-3. Preventive Maintenance Schedule ...................................................................... 2-2

2-4. Removing the Control Panel ............................................................................... 2-2

2-5. Transformer Replacement .................................................................................. 2-3

2-6. Temperature Probe Replacement ........................................................................ 2-4

2-7. High Temperature Limit Control (Electric and Gas Models) ............................. 2-6

2-8. Heating Elements (Electric Models) ................................................................... 2-9

2-9. Heating Contactors (Electric Models) ................................................................ 2-12

2-10. Gas Burner Assembly (Gas Models) .................................................................. 2-15

2-11. Thermocouple (Gas Models) .............................................................................. 2-18

2-12. Gas Control Valve ............................................................................................... 2-20

2-13. Electrical Components ........................................................................................ 2-23

2-14. Pressure Regulation/Exhaust .............................................................................. 2-27

2-15. Filtering System .................................................................................................. 2-47

2-16. Gas Conversion ................................................................................................... 2-52

Wiring Diagrams ................................................................................................ 2-53

Section 3. PARTS INFORMATION .............................................................................................. 3-1

3-1. Introduction ........................................................................................................ 3-1

3-2. Genuine Parts ...................................................................................................... 3-1

3-3. Model Variations ................................................................................................. 3-1

3-4. How to Find Parts ............................................................................................... 3-1

3-5. Subassemblies ..................................................................................................... 3-2

3-6. How to Order Parts ............................................................................................. 3-2

3-7. Prices .................................................................................................................. 3-3

3-8. Delivery .............................................................................................................. 3-3

3-9. Warranty ............................................................................................................. 3-3

3-10. Recommended Spare Parts for Distributors ....................................................... 3-3

3-11. Index of Parts List Illustrations .......................................................................... 3-4

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Model 500/600

SECTION 1. TROUBLESHOOTING

1-1. INTRODUCTION

This section provides troubleshooting information in the form of an easy to read table.

If a problem occurs during the ﬁ rst operation of a new fryer, re- check the installation per Section 2 of the Operator’s Manual.

Before troubleshooting, always recheck the operating procedure per Section 3 of the Operator’s Manual.

1-2. SAFETY

The Henny Penny Pressure Fryer has many safety features incor porated. However, the only way to ensure a safe operation is to fully understand e proper installation, operation, and maintenance procedures. The instructions in this manual have been prepared to aid you in learning the proper procedures. Where information is of particuloar importance or safety related, the words DANGER, WARNING, CAUTION, and NOTICE are used. Their usage is described below.

SAFETY ALERT SYMBOL is used with DANGER, WARNING, or CAUTION which indicates a personal injury type hazard.

NOTICE is used to highlight especially important information.

CAUTION used without the safety alert symbol indicates

a potentially hazardous situation which, if not avoided, may result in property damage.

CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

DANGER INDICATES AN IMMINENTLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, WILL RESULT IN DEATH OR SERIOUS INJURY.

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1-3. TROUBLESHOOTING

To isolate a malfunction, proceed as follows:

1. Clearly deﬁ ne the problem (or symptom) and when it occurs.

2. Locate the problem in the troubleshooting table.

3. Review all possible causes. Then, one-at-a-time work

through the list of corrections until the problem is solved.

Refer to the maintenance procedures in Section 2 of this manual to safely and properly make the checkout and repair needed. If maintenance procedures are not followed correctly, injuries and/or property damage could result.

1-2 305

Model 500/600

Problem Cause Correction

COOKING SECTION

Product Color Not Correct:

A. Too Dark (some batches) • Temperature programmed too hot • See Diagnostic Mode D 10; if temperature settings have been changed, have the controls reintialized

in advance

• Done alarm ignored for more • If the fryer hasn’t been used than 20 seconds since the problem batch, see Information Mode 4 H; for more information on this problem, see Information Modes 5 U, 6 U, 7 R, or 8 R

• Wrong product button pressed • Be sure to press the correct product button; if the fryer hasn’t been used since the problem batch, see Information Mode 4 B to see what product button was pressed

B. Too Dark (all batches) calibration to adjust color of product

bration; see Checking Tempera ture Probe Calibration Section; if less than 15 degrees off, have probe calibrated; if more than 15 degrees off, replace probe

• Breading product too far • Bread product just before frying

• Temperature probe out of • See Diagnostic Mode D 1

• Check temperature probe cali-

burnt taste, change peanut oil

• See Diagnostic Mode D 2; Change peanut oil if controls indicate it should be changed

• Peanut oil too old • If peanut oil is smoking or has

• Peanut oil too dark • Filter peanut oil

• Change peanut oil

• Faulty probe “E6” • If probe can’t be recalibrated,

have probe replaced

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Problem Cause Correction

COOKING SECTION (Continued)

C. Too Light (all batches) • Temperature probe out of • See Diagnostic Mode D 1 calibration to adjust color of product

• Check temperature probe cali-

bration; see Checking Tempera ture Probe Calibration Section; if less than 15 degrees off, have probe calibrated; if more than 15 degrees off, replace probe

• Slow fryer heat-up/recovery • See Diagnostic Mode D 4

for present day’s performance; or see Information Modes 5, 6, 7, 8, and 9 for more information on this problem

• Low voltage; see Diagnostic Mode D 3 for present day’s voltage performance; see Information Modes 4, 5, 6, 7, 8, 9, and 15 for more information on this problem

• Low gas pressure; have gas

pressure checked going to burners, on gas fryers

• Oil usage wasn’t set for new • See Diagnostic Mode D 2 for peanut oil the age of the oil; see section 3-7 for setting the age of the oil

D. Too Light (some batches) •Temperature programmed too low • See Diagnostic Mode D 10; if temperature settings have been changed, without authori zation, have the controls reintialized

• Product placed in peanut oil • If fryer hasn’t been used since

before proper temperature the problem batch, see Informa tion Mode 4 C; for more information on this see Informa tion Modes 5 S, 6 S, 7 P, or 8 P

• Wrong product button pushed • If fryer hasn’t been used since

problem batch, see Information Mode 4 B to see what product was selected

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Problem Cause Correction

COOKING SECTION (Continued)

D. Too Light (some batches) • Cook Cycle aborted before alarm • See Diagnostic Mode D 7 (Continued) and “DONE” ﬂ ashes to see how many times

the Cook Cycle was stopped before the end of the cycle

peanut oil see Diagnostic Mode D 5 to see if the controls sensed any frozen or overloaded batches

Dryness of Product

• Cover product with plastic wrap, reducing evaporation

• Over-cooking the product • Done alarm ignored for more than 20 seconds; if the fryer hasn’t been used since the problem batch, see Information Mode 4 H; for more informa tion on this problem, see Infor mation Modes 5 U, 6 U, 7R, or

8 R

• Time of Cook Cycle set too long • See Diagnostic Mode D 10; if time settings have been

changed, have the controls reintialized

• Frozen product placed in • Use fresh or thawed product;

• Moisture loss prior to cooking • Use fresh product

problem batch, see Information Mode 4 B to see what product was selected

• Low operating pressure • Check pressure gauge reading Check for pressure leaks

Burned Taste • Burned peanut oil ﬂ avor • Replace peanut oil

• Peanut oil needs ﬁ ltering • Filter peanut oil more often

• Frypot not properly cleaned • Drain and clean frypot

305 1-5

• Wrong product button pushed • If fryer hasn’t been used since

Model 500/600

Problem Cause Correction

COOKING SECTION (Continued)

Product not done • Cook Cycle aborted before alarm, • See Diagnostic Mode D 7 and “DONE” ﬂ ashes to see how many times

the Cook Cycle was stopped before the end of the cycle

• Frozen product placed in • Use fresh or thawed product; peanut oil see Diagnostic Mode D 5 to see if the controls sensed frozen or overloaded batches.

• Wrong product button pushed • If fryer hasn’t been used since problem batch, see Information Mode 4 B to see what product was selected

• Temperature programmed too low • See Diagnostic Mode D 10; or not programmed properly if temperature settings have been changed, have the controls reintialized

• Temperature probe out of • Check temperature probe cali calibration bration; see Checking Tempera ture Probe Calibration Section; a. If less than 5° off, see Diagnostic Mode D 1 b. If between 5 and 15 degrees off, calibrate probe; if more than 15° off, replace probe

• Slow fryer heat-up/recovery • See Diagnostic Mode D 4 for present day’s performance; or see Information Modes 5, 6, 7, 8, and 9 for more information on this problem

• Low voltage; see Diagnostic Mode D 3 for present day’s voltage performance; see Information Modes 4, 5, 6, 7, 8, 9, and 15 for more information on this problem

• Low gas pressure; have gas pressure checked going to burners, on gas fryers

• Product too thick • Make sure chicken ﬁ lets have been ﬁ leted

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Model 500/600

Problem Cause Correction

POWER SECTION

With COOK/PUMP Switch • Open circuit • Check to see if fryer is plugged in COOK position, fryer is in

completely without power

fuse

cian check power supply and COOK/PUMP switch

• Check wall circuit breaker or

• Have a qualiﬁ ed service techni-

PRESSURE SECTION

Pressure will not • Exhaust line from solenoid • Turn unit off and allow fryer to exhaust at end of valve to exhaust tank cool to release pressure from cooking cycle. clogged frypot; have all pressure lines, exhaust stacks, and exhaust tank cleaned

cleaned

Operating pressure too high cool to release pressure from frypot; remove deadweight and clean, per Cleaning the Dead-

weight Valve Section.

• Solenoid valve clogged • Have solenoid checked and

• Deadweight clogged • Turn unit off and allow fryer to

DO NOT OPERATE UNIT IF PRESSURE GAUGE SHOWS HIGH PRESSURE CONDITIONS. SEVERE INJURIES AND BURNS WILL RESULT. IMMEDIATELY PLACE THE POWER/ PUMP SWITCH IN THE OFF POSITION, WHICH RELEASES THE PRESSURE BY ALLOW ING THE UNIT TO COOL. DO NOT RESUME USE OF UNIT UNTIL CAUSE OF HIGH PRESSURE HAS BEEN FOUND AND CORRECTED.

305 1-7

• Exhaust line to stack clogged • Clean exhaust line to stack

Model 500/600

Problem Cause Correction

PRESSURE SECTION (Continued)

Pressure does not • Not enough product in fryer • Place proper quantity of build or product not fresh fresh product within frypot to generate steam

removed from deadweight see Unpacking Section

• Metal shipping spacer not • Remove shipping spacer;

not closing cleaned

repaired

if pressure settings have been changed, have the controls reintialized

adjusted

• Lid open or not latched • Close and latch lid

• Solenoid valve leaking or • Have solenoid valve checked or

• Deadweight assembly leaking • Have deadweight assembly

• Pressure not programmed • See Diagnostic Mode D 10;

• Lid gasket leaking • Reverse gasket or lid needs

• Safety relief valve leaking. • Check and replace if necessary

FILTER SYSTEM SECTION

Filter motor runs • Pump clogged • Have pump cleaned but pumps peanut oil slowly • Filter line connection • Tighten all ﬁ lter line loose connections

• Solidiﬁ ed peanut oil • Clear all ﬁ lter lines of solidiﬁ ed peanut oil

Filter switch on, • Defective COOK/PUMP switch • Have switch checked motor does not run

• Defective motor • Have motor checked

• Motor thermal protector tripped • Reset thermal protector per Filter Pump Motor Thermal Protector Section

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Model 500/600

Problem Cause Correction

FILTER SYSTEM SECTION (Continued)

Motor hums but • Clogged lines or pump • Have pump and lines will not pump removed and cleaned

• Have pump seal, rotor and rollers replaced

HEATING OF PEANUT OIL SECTION

Peanut oil will not heat • Blown fuse or tripped circuit • Reset breaker or replace fuse breaker

• Faulty cord and plug • Check cord and plug

• Faulty PC board • Have control panel checked

• Faulty or tripped high • Reset high limit per Operat limit “E10” ing Components Section; if

high limit doesn’t reset, have

it checked

• Drain valve open “E15” • Close drain valve

• Possible faulty probe “E6” • Have temperature probe checked

• Possible faulty contactor • See Diagnostic Modes D 4;

(electric models) see if “CHECK COILS,

CONTACTORS AND

WIRING” shows on display

• Gas valve knob turned to the • Make sure the gas valve knob

OFF position (gas models) is turned to ON

• Faulty thermocouple on gas • Have thermocouple checked control valve (gas models)

• Faulty COOK/PUMP switch • See Information Mode10

• Faulty drain switch “E15” and check to see if the

• Possible faulty gas control input code is present; if not,

have fryer checked by a certiﬁ ed service technician

• Pilot not lit (gas models)

• Light pilot per Gas Pilot Lighting Procedure section in Operator’s Manual

305 1-9

Model 500/600

Problem Cause Correction

HEATING OF PEANUT OIL SECTION (Continued)

Peanut oil heating slowly • Low or improper amps • See Infomation Mode 16

for present amperage; or see Information Modes 4, 5, 6, 7, 8, 9, for more information on this problem; Diagnostic Mode D 4 gives present day’s heating performance

• Low or improper voltage • See Diagnostic Modes D 3 & D 4 for present day’s voltage and heating performance; or see Information Modes 4, 5, 6, 7, 8, 9, and 15 for more infor mation on this problem

• Weak or burnt out • See Diagnostic Modes D 4;

elements (elec. model) see if “CHECK

COILS, CONTACTORS

• Burnt or charred connectors AND WIRING” shows on

display; if so, have fryer

• Faulty contactor (electric models) checked by a certiﬁ ed service

technician

• Wire(s) loose • Have wires tightened

• Supply line too small - low • Increase supply line size; gas volume (gas models) refer to installation instructions

• Improper ventilation • Refer to installation system (gas models) instructions

1-10 305

Model 500/600

1-3. TROUBLESHOOTING (Continued)

PROBLEM CAUSE CORRECTION

PEANUT OIL DRAINING

Peanut oil will not drain from frypot (all models)

Gasket coming out of lid liner

Lid spindle will not turn or turns hard with lid open

• Drain valve clogged with crumbs • Open valve - force cleaning brush through drain opening

• Drain valve will not open by

turning handle

• Replace cotter pins in valve coupling

LID SECTION

• Crumbs under gasket

• Remove gasket and clean per Pressure Regulation/Exhaust section

• Clean top rim of frypot

• Replace worn or damaged gasket per Pressure Regulation/Exhaust section

• Spindle dry • Lubricate spindle per Pressure Regula tion/Exhaust section

• Worn acme nut • Replace acme nut per Pressure Regula tion/Exhaust section

305 1-11

Model 500/600

1-3. TROUBLESHOOTING (Continued)

PROBLEM CAUSE CORRECTION

LID SECTION (Continued)

Lid will not unlatch from closed position

• Lid gasket not seated properly or idle nut not adjusted

• To check the problem, perform the following procedures:

1. Remove pressure from frypot.

2. Turn main switch to off position.

3. Drain shortening from frypot.

The next procedure must be performed while holding the lid closed until the lid latch is free from the crossarm. Failure to hold down the lid will result in the lid springing back to a full open position. Personal injury, or damage to the hinge may result.

4. Remove Tru-Arc ring. Drive

latch pin out. Lid will open.

5. Raise lid slowly.

6. Reinstall latch.

7. Adjust limit stop, per Pressure

Regulation/Exhaust section.

8. Lid gasket should be properly

seated in lid liner.

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Model 500/600

1-4. WARNINGS AND ERROR MESSAGES

The controls monitor procedure problems and system failures with warnings and error codes. The display shows the warning or error code, and an alarm sounds.

Pressing cancels most warnings and pressing any control button

stops most Error Code alarms. But there are some exceptions (see below). The display shows the error until the situation is corrected.

WARNINGS

DISPLAY CAUSE CORRECTION

“W-1” “LOW Incoming supply voltage too low Have voltage at plug and receptacle checked

VOLTAGE”

“W-2” Faulty components or connections Have elements, connections, and contactors “SLOW checked HEAT-UP”

“W-3” Product loaded into frypot Wait until peanut oil is at proper temperature

“WAS NOT before lights before loading product

READY”

“W-4” Frozen or too much product Do not overﬁ “SLOW in frypot into the frypot COOKING”

“W-5” Product loaded into frypot Wait until peanut oil is at proper temperature “SLOW before lights before loading product. COOKING”

“W-6” Faulty components or connections Have elements, connections, and contactors “SLOW checked COOKING”

“W-7” Faulty components or connections Have elements, connections, and contactors “LOW AMPS” checked

“W-9” Product overcooked (may Discard product immediately “DISCARD appear after a “W-6”, “SLOW PRODUCT” COOKING” warning)

“OIL TOO Didn’t allow peanut oil to drop CANCEL button will not stop this warning; HOT” down to current product’s setpoint once the peanut oil temperature drops to set temperature point temperature, the alarm automatically stops

ll or place frozen product

“E-4” PC board too hot Check ventilation louvers on side of fryer for

“CPU TOO obstructions; if louvers are clear, have PC HOT” board checked; check cooling fan if present.

205 1-13

Model 500/600

1-4. WARNINGS AND ERROR MESSAGES (Continued)

ERROR CODES

DISPLAY CAUSE CORRECTION

“E-5” Controls sensing 405°F Have heat components and temperature probe “FRYER TOO or above checked HOT”

“E-6” (A or B) Faulty temperature probe or Have temperature probe and connection

“FRYER TEMP connection checked

SENSOR FAILED”

“E-10” Peanut oil temperature too hot, Reset high limit per Operating Components; “HIGH LIMIT drain valve opened while heat was Section; check peanut oil temperature for TRIPPED” on, or faulty high limit overheating; have heat components checked if high limit continues to trip

“E-15” Drain is open or faulty microswitch Close drain; have drain microswitch checked “DRAIN IS if error code persists OPEN”

“E-25” Wrong or faulty elements or wiring Have electrical supply, wiring, and elements

“HEAT AMPS problem. checked

WERE TOO HIGH” (500 fryer only) Because of the seriousness of this error code, turn the COOK/PUMP switch OFF and back to COOK to cancel.

“E-26” Faulty contactors or PC board Have the contactors and PC board checked

“HEAT AMPS

ARE LOCKED ON” (500 fryer only) This error code could be displayed even with

fryer or shut off the wall circuit breaker to disconnect electrical power to fryer.

the COOK/PUMP switch turned OFF. Unplug

“E-41” Memory scrambled; an individual Turn the COOK/PUMP switch OFF and back

“SYSTEM product program may be scrambled; to COOK; if error code persists, have the PC DATA LOST” ex: “E-41 -2- DATA LOST”; this board checked or re-initialized means product #2 program is scrambled

“E-41” Memory scrambled; an individual Turn the COOK/PUMP switch OFF and back

“SYSTEM product program may be scrambled; to COOK; if error code persists, have the PC DATA LOST” ex: “E-41 -2- DATA LOST”; this board checked or re-initialized

scrambled

1-14 205

means product #2 program is

Model 500/600

1-4. WARNINGS AND ERROR MESSAGES (Continued)

ERROR CODES

DISPLAY CAUSE CORRECTION

“E-41” Memory scrambled; an individual Turn the COOK/PUMP switch OFF and back

“SYSTEM product program may be scrambled; to COOK; if error code persists, have the PC DATA LOST” ex: “E-41 -2- DATA LOST”; this board checked or re-initialized means product #2 program is scrambled

“E-46” Faulty eprom or PC board Turn the COOK/PUMP switch OFF and back “DATA SAVE to COOK; if error code persists, have the PC FAILED” board checked or re-initialized

“E-47” Failure of 12 volt DC supply Turn the COOK/PUMP switch OFF and back “ANALOG on the I/O board to COOK; if the and DO NOT

SYSTEM

OR 12 VOLT light up when the 8888’s are displayed, have the FAILED” I/O board replaced

Amp sensors plugged in backwards Have positions of amp sensors checked

Faulty PC board Have control panel replaced

“E-48” Failure of 12 volt DC supply Turn the COOK/PUMP switch OFF and back

INPUT on the I/O board to COOK; if the and DO NOT SYSTEM ERROR” light up when the 8888’s are displayed, have the I/O board replaced

Faulty PC board Have control panel replaced

“E-70 A” Missing or broken wire in pins 1 and Have jumper wire between pins 1 and 2 “FAN VAC 2 of P11 connector, or faulty checked JUMPER connector MISSING” Faulty I/O board Have I/O board checked and replaced if necessary

“E-70 B” Faulty COOK/PUMP switch Have COOKPUMP switch checked, along

“PWR SW or switch wiring; faulty with its wiring; have I/O board checked OR WIRES I/O board FAILED”

“E-92” Blown 24 volt controller fuse, or Have the 14-pin cable connector checked or “24 VOLT bad 14-pin cable connection have the fryer checked for a short to ground in FUSE” components such as the drain switch, solenoid, or high limit and wiring Stuck or clogged solenoid valve Have solenoid checked and cleaned

205 1-15

Model 500/600

1-5. DIAGNOSTIC MODE DETAILS

The Chick-ﬁ l-A fryer controllers provide diagnostic functions that let an Operator review operating and performance data for the fryer.

The information provided by Diagnostic Mode can be used to monitor procedural errors, such as, not waiting for the READY light before starting a Cook Cycle, canceling cycles early, etc.

In addition, Diagnostic Mode allows slight adjustment to product color, reports the age and accumulated wear of the oil, and reports information about the performance of the line voltage supply.

Accessing Diagnostic Mode

To activate Diagnostic Mode, press button, then press

button.

The controller displays the following message:

“ *DIAGNOSTIC* “ “ *REPORT* “

When this introduction message is ﬁ nished, the controller displays Diagnostic step D 1 (see below).

are used to step through the report items. Press to

step forward to the next item. Press to step backward through the report items.

The report information is grouped into sections, D 1 through D 10. Most sections have several related items.

To toggle between English and Spanish Display Mode, press button then press .

To exit Diagnostic Report Mode at any point, press .

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Model 500/600

1-5. DIAGNOSTIC MODE DETAILS (Continued)

D 1: Color Adjustment

This step lets the user make slight adjustments to the product color. The ﬁ rst step of this item asks “IS PRODUCT COLOR OK?”

If product color is okay and no change is desired press or

to move on to the next item, or press to exit Diagnostic Mode.

If a change is desired, press (i.e. color is not okay). The

controller shows “ADJUST DARKNESS”, then displays the darkness control slider:

“ LT - - - - - + - - - - - DK”

A blinking asterisk (*) indicates the current position. and

are used to adjust the darkness setting.

To make the product darker, press to move the blinking “ * “ toward the DK (darker) side.

To make the product lighter, press to move the blinking “ * “ toward the LT (lighter) side.

When done adjusting, press to exit and return to normal operating mode.

Any temperature adjustment activated by the color adjustment feature will be reﬂ ected in the normal setpoint display as part of the offset from the basic product cook temperature. To view the present regulating temperature, press twice.

In the example, “SETPT = 315°F + 6” the product cook temperature is 315°F and has an additional offset of 6°F to compensate for the age of the oil, how long the fryer sits idle, and any color adjustments.

305 1-17

Model 500/600

1-5. DIAGNOSTIC MODE DETAILS (Continued)

D 2: Oil Wear Report

This section displays information about the age of the present batch of peanut oil.

The ﬁ rst step shows how many days of use this oil has:

“D2: THIS OIL IS “ “D2: 4 DAYS OLD “

The controller only counts days in which the fryer is in use.

Press to move on to the second step. This step shows the age of the peanut oil by percentage of its expected lifetime. The peanut oil’s present, accumulated wear is compared to the wear setting at which the controller will prompt for the oil to be changed.

“D2: THIS OIL IS “ “D2: 16% USED “

This information can be used as the oil nears the end of its life (i.e. 95%), to plan ahead for when a clean-out will be required.

Press to move on to the next section.

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Model 500/600

1-5. DIAGNOSTIC MODE DETAILS (Continued)

D 3: Line Voltage Performance Report

This section displays information about how good the line voltage supply has been for the present day and for the present batch of oil.

The controller continually monitors the line voltage supplied to the fryer (when the fryer is on). If the line voltage drops below [90%] of its nominal value, the controller signals a “LOW VOLTAGE” alarm.

This alarm sounds at the end of each Cook Cycle for which low voltage has been detected. While not cooking, the low voltage alarm can sound as frequently as every 30 minutes.

“[ ]” around a value, such as [90%], means this value

is programmable and might change with later software versions.

Voltage Report for Today

If no low voltage warnings have been detected for the present day, the controller shows, “D3: VOLTAGE OK, D3: TODAY “

If one or more low voltage warnings have been detected for the present day, the following sequence example could be displayed:

“D3: YOU HAD 3”

“D3: LOW VOLTAGE”

“D3: WARNINGS”

“D3: TODAY”

(Press )

“D3: MIN VOLTAGE”

“D3: TODAY = 83%”

(Press )

“D3: MAX VOLTAGE”

“D3: TODAY = 101%”

(Press )

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Model 500/600

1-5. DIAGNOSTIC MODE DETAILS (Continued)

“D3: ARE OTHER”

“D3: FRYERS”

“D3: HAVING THIS”

“D3: PROBLEM”

“D3: TODAY?”

Press or .

If is pressed (other fryers are having this problem):

“D3: FACILITY”

“D3: OR UTILITY”

“D3: PROBLEM”

If is pressed (other fryers are not having this problem):

“D3: CHECK CORD,”

“D3: WIRING,”

“D3: AND

BREAKER”

In either case, press to move on to the next step.

Voltage Report for Present Batch of Peanut Oil This report for the present batch of oil does not include data from the today. It includes data for all days on the present batch of oil before today.

For example, if low voltage warnings started appearing today but had not been displayed before, the previous item might report “3

LOW VOLTAGE WARNINGS TODAY” while this step reports “VOLTAGE OK SINCE LAST OIL CHANGE”.

If no low voltage warnings have been detected before today for the present batch of oil, the controller shows:

“D3: VOLTAGE OK”

“D3: SINCE LAST” “D3: OIL CHANGE”

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Model 500/600

1-5. DIAGNOSTIC MODE DETAILS (Continued)

If one or more low voltage warnings have been detected before today, the following sequence is displayed:

“D3: BEFORE TODAY”

“D3: 27 LOW VOLT” “D3: WARNINGS” “D3: ON THIS OIL”

(Press )

“D3: MIN VOLTAGE”

“D3: BEFORE TODAY” “D3: = 85%”

(Press )

“D3: MAX VOLTAGE”

“D3: BEFORE TODAY” “D3: = 105%”

Press to advance to the next section.

D 4: Heating Capacity Report

This section reports the present status of the heating system.

The controller examines a history of heat-up data and determines whether or not the heating system is operating normally. The heat capacity is said to be bad only if the most recent heat-up failed to meet the expected heat-up rate and three of the last four heat-ups also failed to achieve the expected rate. That is, a single slow heatup will not trigger a slow heat warning. The slow heat warning is activated only after repeated low-rate heat-ups is observed.

The controller can’t assess the integrity of the heating system if the fryer has been experiencing voltage problems. Low heat rates observed in this situation might be due to voltage problems rather than heater problems.

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1-5. DIAGNOSTIC MODE DETAILS (Continued)

If the fryer has witnessed two or more low voltage warnings today, the following report is displayed:

“D4: CAN’T TEST”

“D4: HEA

T CAPACITY” “D4: DUE TO” “D4: VOLTAGE” “D4: PROBLEMS”

Otherwise, if the assessed heat capacity rating is presently “good” and there has been at most one heat-up today that failed to achieve the expected rate, the following report is displayed:

“D4: HEATING” “D4: CAPACITY”

“D4: IS FINE”

Otherwise, if the heat capacity is presently assessed as “bad”, or presently assessed as “good” but two or more heat-ups today have not reached the expected heat-up rate, the following report sequence is generated:

“D4: YOU HAD 75%” “D4: SLOW HEATS”

“D4: TODAY”

(Press )

“D4: HAVE 20%” “D4: SLOW HEATS”

“D4: THIS OIL”

(Press )

“D4: HAD 0%” “D4: SLOW HEATS”

“D4: LAST OIL”

(Press )

If the heat capacity is assessed as bad (low heat-up rate on last heat-up, and on three of the last four heat-ups), then the heating coils are suspect and the following message is displayed:

“D4: CHECK COILS,” “D4: CONTACTORS,”

“D4: AND WIRING”

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1-5. DIAGNOSTIC MODE DETAILS (Continued)

Otherwise, the heating coils are presumed to be good and the following messages appear:

“D4: HEATER COILS “ “D4: APPEAR OK “

(Press )

“D4: CHECK “ “D4: CONTACTORS, “ “D4: CONNECTIONS, “

“D4: AND WIRING “

D 5: Cook Times (Slow Cooks) Report

This section summarizes the slow cooking status for each product.

Actual cook times for Cook Cycles can vary from the programmed cook time setting, due to the load compensation feature. Load Compensation slows the cook timer down when the actual peanut oil temperature is below a reference value, and speeds up the cook timer countdown when peanut oil temperature is above the reference.

When the peanut oil temperature is lower than expected during a Cook Cycle, the overall cook time will be longer than normal. If the actual cook time stretches beyond a programmed limit, the controller counts a “SLOW COOK” event and sounds an alarm at the end of the Cook Cycle.

If low voltage or low amps are detected during the Cook Cycle, the warning message indicates “LOW VOLTAGE” or “LOW AMPS”, but the cycle will still count as a “slow cook”. If the voltage and amps have been ﬁ ne during the Cook Cycle but the cycle was started before the Ready light came on, then the warning message indicates “SLOW COOK — WAIT FOR READY LIGHT”. Otherwise, the slow cooking problem will be attributed to a “bad batch” of product: cooking too much in one load, or cooking product that is too cold (i.e. frozen product on a pressure fryer when the product should be fresh).

If none of the products has more than 5% slow Cook Cycles today, the following report is made:

“D5: COOK TIMES” “D5: LOOK OK” “D5: TODAY”

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1-5. DIAGNOSTIC MODE DETAILS (Continued)

Otherwise, if one or more cook products have generated a slow cook warning more than 5% of the time, but four or more low voltage or slow heat-up warnings (any combination) have been generated today, then the report is as follows:

“D5: SOME SLOW” “D5: COOKS

TODAY” “D5: MAYBE DUE TO” “D5: VOLTAGE OR” “D5: COIL PROBLEMS”

Such a report is saying the slow cooking may be the result of low voltage (which signiﬁ cantly reduces heat capacity) or the result of other problems with the heating system. In this case, the slow cook problems might not have anything to do with user error.

Otherwise, the slow cooking is generally attributed to user error: cooking too much product in one load, cooking frozen product (in the pressure fryer) when it should be fresh, or cooking before the Ready light illuminates, etc.

An individual “XXXXX IS COOKING SLOWLY TODAY” report item is generated for each product that has had more than 5% slow cook warnings today. This report item is triggered based solely on the number of slow cooks for that product, whether those slow cooks are due to voltage or heating problems, or due to cooking before ready, cooking too much, or cooking frozen product.

“D5: “FILET” ( Product Name ) “D5: COOKING SLOW” “D5: TODAY”

(Press )

If any of the slow cooks for this product are suspected as being due user error, a second, “bad batch” report is generated for the product.

“D5: “NUG-STRP” ( Product Name ) “D5: COOKING SLOW” “D5: TODAY”

(Press )

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1-5. DIAGNOSTIC MODE DETAILS (Continued)

“D5: POSSIBLE” “D5: OVERSIZED” “D5: OR FROZEN” “D5: BATCH OF” “D5: “NUG-STRP” “ ( Product Name ) “D5: DETECTED” “D5: 3

TIMES”

“D5: TODAY”

(Press )

“D5: POSSIBLE” “D5: OVERSIZED” “D5: BATCH OF” “D5: “FRIES” “D5: DETECTED” “D5: 5 TIMES” “D5: TODAY”

D 6: “Cooked Before Ready” Report

This section shows how many Cook Cycles were started before the READY light was on. This is strictly a user error.

If the fryer was in the ready range when the user begins to load product, but is out of the ready range by the time the Cook Cycle is started, the control will not give you an alarm.

If the fryer wasn’t ready before loading, an alarm sounds and

“WAS NOT READY” warning is generated. The number of times

this has happened today is indicated by the following report item:

“D6: COOKED” “D6: BEFORE READY” “D6: 11 TIMES” “D6: TODAY”

(Press )

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1-5. DIAGNOSTIC MODE DETAILS (Continued)

The number of “WAS NOT READY” warnings for this batch of peanut oil is also reported. Note that this value does not yet include the not ready warnings generated today.

“D6: BEFORE TODAY,” “D6: COOKED” “D6: BEFORE READY” “D6: 8

TIMES”

“D6: ON THIS OIL”

(Press )

Finally, the controller identiﬁ es how many times the not ready warning was generated for the previous batch of peanut oil:

“D6: LAST OIL,” “D6: COOKED” “D6: BEFORE READY” “D6: 24 TIMES”

D 7: “Stopped Too Soon” Report

This section shows how many Cook Cycles were stopped early by the user, before the cook timer had counted down to 0:00 and the

“*DONE*” indication was given. This is strictly a user error.

Cycles that are canceled after cooking for less than 30 seconds are not counted here. For example, if a cycle is accidentally started, and the Cook Cycle is canceled after just a few seconds, this cycle will not be counted as a Stopped Too Soon Cycle.

Also, some allowance is given for stopping a cycle a little early.

The user can cancel the cycle up to 10 seconds early without penalty.

Otherwise, however, any cycle that was stopped with more than 10 seconds remaining (0:10) on the cook clock with be counted as a Stopped Too Soon Cycle.

The ﬁ rst item displays what percent of cycles today were stopped with more than 0:10 remaining. All products are grouped into one count.

“D7: 8% OF LOADS” “D7: WERE STOPPED” “D7: TOO SOON” “D7: TODAY”

(Press )

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1-5. DIAGNOSTIC MODE DETAILS (Continued)

The number of Stopped Too Soon cycles for this batch of peanut oil is reported next. Note that this value does not yet include the Cook Cycles from today.

“D7: BEFORE TODAY “ “D7: 3% OF LOADS” “D7: WERE

STOPPED” “D7: TOO SOON” “D7: ON THIS OIL”

(Press )

Finally, the controller identiﬁ es percentage of Stopped Too Soon Cycles for the previous batch of peanut oil:

“D7: LAST OIL” “D7: 5% OF LOADS” “D7: WERE STOPPED” “D7: TOO SOON”

D 8: “Beeped *DONE* Too Long” Report

Diagnostic Report section 8 reveals how many Cook Cycles beeped “*DONE*” for more than 20 seconds before the user pressed the timer button to stop the cycle. This is strictly a user error.

The controller cannot detect when the product is actually removed from the fryer. It only identiﬁ es how long the controller beeped “*DONE*” before the user pressed to stop the alarm.

The ﬁ rst item displays the percent of today’s Cook Cycles that beeped “*DONE*” for more than 20 seconds before the user pressed to stop it. All products are grouped into one count.

“D8: 10% OF LOADS” “D8: BEEPED ‘DONE’” “D8: TOO LONG” “D8: TODAY”

(Press )

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1-5. DIAGNOSTIC MODE DETAILS (Continued)

The number of Beeped Done Too Long Cycles for this batch of peanut oil is reported next. Note that this value does not yet include the Cook Cycles from today.

“D8: BEFORE TODAY “ “D8: 7% OF LOADS” “D8: BEEPED ‘DONE’” “D8: T

OO LONG”

“D8: ON THIS OIL”

(Press the DOWN button...)

Finally, the controller identiﬁ es percentage of Beeped Done Too Long Cycles for the previous batch of peanut oil:

“D8: LAST OIL” “D8: 6% OF LOADS” “D8: BEEPED ‘DONE” “D8: TOO LONG”

D 9: Irregular Loading Report

For most Cook Cycles, the controller determines when the product was placed into the peanut oil. This report identiﬁ es the percentage of cycles for which this determination was not successful.

This drop detection detects most loads, but can fail for several reasons. Anytime the detection routine fails to ﬁ nd the true drop point, the controller logs an irregular loading count.

Examples of failed drop detection might be: the Operator takes too long to load the product to the time he presses the start button, or the Operator cooks a very light product load, one or two ﬁ lets, for example.

In these instances, no drop point will be found and that Cook Cycle counts as an Irregular Loading Cycle. Only products that have more than 5% of loads with missed detection’s are reported.

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1-5. DIAGNOSTIC MODE DETAILS (Continued)

Loading Report for Today If no products have a failed to detect rate of more than 5%, the controller shows:

“D9: LOADING”

“D9: LOOKS OK”

“D9: TODAY”

Otherwise, for each product that has more than 5% of loads in which the controller failed to detect the drop point, the following message is displayed:

“D9: IRREGULAR” “D9: LOADING” “D9: FOR 8% OF” “D9: “FILET” ( Product Name ) “D9: TODAY”

Loading Report for Present Batch of Peanut oil The data for this batch of peanut oil does not yet include Cook Cycles from today.

If no products have a failed to detect rate of more than 5%, the controller shows:

“D9: LOADING “

“D9: LOOKS OK “ “D9: THIS OIL “

Otherwise, for each product that has more than 5% of loads in which the controller failed to detect the drop point, the following message is displayed:

“D9: FOR THIS OIL,” “D9: IRREGULAR “ “D9: LOADING “ “D9: FOR 12% OF “ “D9: “NUG-STRP” “ ( Product Name )

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1-5. DIAGNOSTIC MODE DETAILS (Continued)

Loading Report for Previous Batch of Peanut oil If no products have a failed to detect rate of more than 5%, the controller shows:

“D9: LOADING”

“D9: LOOKED OK”

“D9: PREVIOUS OIL”

Otherwise, for each product that has more than 5% of loads in which the controller failed to detect the drop point, the following message is displayed:

“D9: PREVIOUS OIL,” “D9: IRREGULAR” “D9: LOADING” “D9: FOR 6% OF” “D9: “BRK-FIL” ( Product Name )

D 10: Non-Standard Program Items Report

The last section in the diagnostic report identiﬁ es how many programmable settings have been altered from their original, factory default settings.

For each of the various program modes, the controller either reports that all settings match original values or reports N items do not match original values. This report makes it easy to see if any cook parameters or other settings have been changed from CFA settings.

Some programming items may have been changed from original values under the direction of CFA corporate headquarters. In some cases, a controller should have values that don’t match original values. A report that “all items match original values” could actually be an indication that something isn’t set right.

Keep in mind also that the number of such approved alterations might be different for different versions of software.

If all product cook settings match the original, factory default values, the controller displays the following message:

“10: ALL PROD’S”

“10: MATCH” “10: ORIG. VALUES”

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1-5. DIAGNOSTIC MODE DETAILS (Continued)

If any of the product settings do not match original values, the following message is displayed (with one or more of the product numbers blinking):

“10: PROD’S 123456”

“10: DO NOT MATCH”

“10: ORIG. VALUES”

In this case, the blinking numbers indicate which products do not match original settings. If the numbers 3 and 5 are the only numbers blinking, then product #3 and product #5 each have at least one setting changed from their factory preset values. Products 1, 2, 4, and 6 are conﬁ rmed to exactly match their original settings.

The second item in D 10 identiﬁ es how many items in CFA Programming Mode have been changed from their original values. These Chick-ﬁ l-A settings mainly deal with special Chick-ﬁ l-A controller features like oil wear, heat-up monitoring, new oil compensation, oil idle compensation, drop detection, amps and voltage alarms, and Clean-out Mode.

If all items in CFA Prog Mode match their original, factory preset values, the following report is made:

“10: ALL CFA ITEMS”

“10: MATCH” “10: ORIG. VALUES”

If any of the items in CFA Prog Mode do not match their original values, the following message is displayed (with the actual number of changed items):

“10: 2 CFA ITEMS”

“10: DO NOT MATCH” “10: ORIG. VALUES’

A similar report is made for Special Program Mode. Special Program (SP) Mode settings deal with °F/°C display, speaker tone and volume, Melt and Idle Modes, and how the product buttons function (start cook or merely select product).

“10: ALL SP ITEMS” “10: 1 SP ITEMS “ “10: MATCH “ “10: DO NOT MATCH “ “10: ORIG. VALUES “ “10: ORIG. VALUES “

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1-6. INFORMATION MODE DETAILS

The ﬁ nal item in D 10 identiﬁ es if any changes have been made to the heat control settings. These settings affect the fryer’s heating algorithms, and include the PC factors, rate-of-rise compensations, and heat pulse cycle time, etc.

“10: ALL HC ITEMS” “10: 3 HC ITEMS” “10: MA

TCH” “10: DO NOT MATCH”

“10: ORIG. VALUES” “10: ORIG. VALUES”

This historic information in this mode can be recorded and used for operational and technical help.

Press and at the same time and “*INFO MODE*”

shows in the display, followed by “1. E-LOG”.

Press and hold to exit Information Mode at any time, or after 2 minutes, controls automatically exit back to normal operation.

1. E-LOG (error code log)

Press and “1A. (date & time) *NOW* shows in display. This

is the present date and time.

Press and if a error was recorded, “1B. (date, time, and error

code infromation)” shows in display. This is the latest error code

that the controls recorded.

Press and the next latest error code information can be seen. Up

to 10 error codes (1B to 1K) can be stored in the E-LOG section.

Press to continue to P-LOG.

2. P-LOG (power-up log)

Press and “2A. (date & time) *NOW* shows in display. This

is the present date and time.

Press and latest power-up is shown, “2B. (date, time,) PWR-

UP”.

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Press and the next latest power-up date is shown. Up

to 10 power-ups (2B to 2K) can be stored in the P-LOG section.

Press to continue onto the heat-up log.

3. HEAT-UP’S

Press and “3A. (date & time) *NOW* shows in display. This

is the present date and time.

Press and the latest heat-up is shown, along with heat-up rate,

ex: “3B. MAY-22, 8:37A 1.25”. The heat rate is the maximum rate (degrees/second) the controller recorded during the shown time frame.

Press and the next latest heat-up is shown. Up to 10 heat-ups

(3B to 3K) can be stored in the HEA

T-UP log.

Press to continue onto the COOK DATA.

4. COOK DATA

Press to step through the following data:

FUNCTION DISPLA

Y EXAMPLE

Time of day last Cook Cycle was started 4A. STARTED 10.25A Product (last product cooked) 4B. PRODUCT -1- Ready? (was fryer ready before start?) 4C. READY? YES Drop detect status 4D. DETECT

/ T-14

\

Drop adjust (real time seconds) 4E. DROP ADJ T-14 Cook time adj (clock adjust) 4F. CK TM ADJ -13 Actual elapsed cook time (real seconds) 4G. ACT TIME 4:50 Stopped: time remaining, or secs past done 4H. STOP DONE+2 Slow cook for this cycle? 4I. SLOW? NO Frozen or overload? (bad batch) 4J. FRZ/OVL? NO Avg temp during Cook Cycle 4K. AVG TMP 317°F Max voltage during Cook Cycle 4L. MAX VOLT 99% Min voltage during Cook Cycle 4M. MIN VOLT 97% Max amps during Cook Cycle 4N. MAX AMPS 35 Min amps during Cook Cycle 4O. MIN AMPS 34

Press to continue onto today’s data log.

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5. TODAY’S DATA (automatically resets each day)

Press to step through the following data:

FUNCTION DISPLA

Today’s Date 5A. DATE APR-12 Time of day last heat-up was completed 5B. LAST HEAT 9:45A Peak heat-up rate (°F/Sec) for last heat-up 5C. LAST RATE 0.82 Was last heat-up acceptable? 5D. LAST OK? YES Heat cap. status (based on last 4 ht-ups) 5E. HEAT CAP GOOD Number of monitored heat-ups today 5F. HEAT-UPS 2 Number of slow heat-ups 5G. SLOW HT’S 0 Max time to heat 270°F to 310°F today 5H. MAX HT TM 1:17 Lowest peak rate for today’s heat-ups 5I. MIN RATE 0.82 Maximum voltage today (when fryer on) 5J. MAX VOLT 99% Minimum voltage today (when fryer on) 5K. MIN VOLT 95% No. of “LOW VOLTAGE” warnings 5L. LO VOLT’S 0 Maximum amp draw today 5M. MAX AMPS 35 Minimum amp draw today 5N. MIN AMPS 33 Number of “Low Amps” warnings today 5O. LO AMP’S 0 Non-cooking time (hh:mm) while fryer was on 5P. IDLE HRS 1:23 Oil wear accumulated so far today 5Q. OIL WEAR 3 Total number of Cook Cycles today 5R. TOT CK’S 11 No. of cycles started before ready 5S. NOT RDY’S 2 No. cycles quit early (0:11 or more remaining) 5T. QUIT 11+ 0 No. cycles beeped *DONE* 21 sec or more 5U. DONE 21+ 1 Individual product cook counts 5V. Px CK CT 2 Individual product not detected counts 5W. Px NO DET 0 Individual product slow cook counts 5X. Px SLO CT 0 Individual product frozen or overloaded 5Y. Px FRZ/OV 0

Y EX:

During steps 5V through 5Y, press the product buttons (or Manual Prog) to see data on individual product items.

Press to continue onto prev-day-sun log.

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6. PREV DAY - SUN

Press to step through following data. During each step, press

to choose the day of the week, of the past 7 days.

FUNCTION DISPLA

Day this data was recorded for 6A. DATE APR-8 Time of day last heat-up was completed 6B. LAST HEAT 8:15P Peak heat-up rate (°F/Sec) for last heat-up 6C. LAST RATE 0.88 Was that day’s last heat-up acceptable? 6D. LAST OK? YES Heat cap. status (based on last 4 ht-ups) 6E. HEAT CAP GOOD Number of monitored heat-ups that day 6F. HEAT-UPS 7 Number of slow heat-ups 6G. SLOW HT’S 0 Max time to heat 270°F to 310°F that day 6H. MAX HT TM 1:11 Lowest peak rate for that day’s heat-ups 6I. MIN RATE 0.67 Maximum voltage that day (when fryer on) 6J. MAX VOLT 102% Minimum voltage that day (when fryer on) 6K. MIN VOLT 98% No. of “LOW VOLTAGE” warnings 6L. LO VOLT’S 0 Maximum Minimum No. of “LOW AMPS” warnings that day 6O. LO AMP’S 0 Non-cooking time (hh:mm) while fryer was on 6P. IDLE HRS 7:09 Oil wear accumulated that day 6Q. OIL WEAR 39 Total number of Cook Cycles that day 6R. TOT CK’S 18 Number of cycles started before ready 6S. NOT RDY’S 2 No. cycles quit early (0:1 No. cycles beeped *DONE* 21 sec or more 6U. DONE 21+ 3 Individual product cook counts 6V. Px CK CT 12 Individual product not detected counts 6W. Px NO DET 1 Individual product slow cook counts 6X. Px SLO CT 0 Individual product frozen or overloaded 6Y. Px FRZ/OV 1

Amp Draw that day 6M. MAX AMPS 35

Amp Draw that day 6N. MIN AMPS 34

1 or more remaining) 6T. QUIT 11+ 1

Y EX:

During steps 6V through 6Y, press the product buttons (or

Manual Prog) to see data on individual product items.

Press to continue onto 7-day totals log.

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7. 7-DAY TOTALS

Press to step through the following data:

FUNCTION DISPLA

Oldest day in the previous days history 7A. SINCE APR-5 Number of days with data included in totals 7B. DAYS CNT 6 Number of monitored heat-ups 7C. HEAT-UPS 30 Number of slow heat-ups 7D. SLOW HT’S 1 Max time to heat 270°F to 310°F 7E. MAX HT TM 3:25 Lowest peak rate of all heat-ups 7F. MIN RATE 0.47 Maximum voltage 7G. MAX VOLT 102% Minimum voltage 7H. MIN VOLT 91% No. of “LOW VOLTAGE” warnings 7I. LO VOLT’S 0 Maximum amp draw 7J. MAX AMPS 35 Minimum amp draw 7K. MIN AMPS 32 Number of “LOW AMPS” warnings 7L. LO AMP’S 0 Non-cooking time (hrs) while fryer was on 7M. IDLE HRS 43 T

otal oil wear accumulated 7N. TOT WEAR 278

T

otal number of Cook Cycles 7O. TOT CK’S 125 Number of cycles started before ready 7P. NOT RDY’S 7 No. cycles quit early (0:1 No. cycles beeped *DONE* 21 sec or more 7R. DONE 21+ 3 Individual product cook counts 7S. Px CK CT 77 Individual product not detected counts 7T. Px NO DET 3 Individual product slow cook counts 7U. Px SLO CT 0 Individual product frozen or overloaded 7V. Px FRZ/OV 1

1 or more remaining) 7Q. QUIT 11+ 1

Y EX:

During steps 7S through 7V, press the product buttons (or

Manual Prog) to see data on individual product items.

Press to continue onto oil data log.

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8. OIL DATA (current batch; resets by Clean-Out Mode)

Press to step through the following data:

FUNCTION DISPLA

The day current batch of oil was started 8A. SINCE APR-1 Number of days with data included in totals 8B. DAYS CNT 10 Number of monitored heat-ups 8C. HEAT-UPS 75 Number of slow heat-ups 8D. SLOW HT’S 2 Max time to heat 270°F to 310°F 8E. MAX HT TM 3:25 Lowest peak rate of all heat-ups 8F. MIN RATE 0.43 Maximum voltage 8G. MAX VOLT 102% Minimum voltage 8H. MIN VOLT 91% No. of “LOW VOLTAGE” warnings 8I. LO VOLT’S 0 Maximum amp draw 8J. MAX AMPS 35 Minimum amp draw 8K. MIN AMPS 32 No. of “LOW AMPS” warnings 8L. LO AMP’S 0 Non-cooking time (hrs) while fryer was on 8M. IDLE HRS 43 Total oil wear accumulated 8N. TOT WEAR 278 Total number of Cook Cycles 8O. TOT CK’S 125 Number of cycles started before ready 8P. NOT RDY’S 7 No. cycles quit early (0:11 or more remaining) 8Q. QUIT 11+ 1 No. cycles beeped *DONE* 21 sec or more 8R. DONE 21+ 3 Individual product cook counts 8S. Px CK CT 77 Individual product not detected counts 8T. Px NO DET 3 Individual product slow cook counts 8U. Px SLO CT 0 Individual product frozen or overloaded 8V. Px FRZ/OV 1

Y EX:

During steps 8S through 8V, press the product buttons (or

Manual Prog) to see data on individual product items.

Press to continue onto prev oil data log.

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9. PREV OIL DATA (moved here from Oil Data log; assumes new

peanut oil) Press to step through the following data:

FUNCTION DISPLA

The day previous batch of oil was started 9A. BEGAN MAR-9 Number of days with data included in totals 9B. DAYS CNT 18 Number of monitored heat-ups 9C. HEAT-UPS 98 Number of slow heat-ups 9D. SLOW HT’S 0 Max time to heat 270°F to 310°F 9E. MAX HT TM 1:31 Lowest peak rate of all heat-ups 9F. MIN RATE 0.57 Maximum voltage 9G. MAX VOLT 101% Minimum voltage 9H. MIN VOLT 96% Number of “LOW VOLTAGE” warnings 9I. LO VOLT’S 0 Maximum amp draw 9J. MAX AMPS 35 Minimum amp draw 9K. MIN AMPS 33 Number of “LOW AMPS” warnings 9L. LO AMP’S 0 Non-cooking time (hours) while fryer was on 9M. IDLE HRS 62 Total oil wear accumulated 9N. TOT WEAR 1523 Total number of Cook Cycles 9O. TOT CK’S 653 Number of cycles started before ready 9P. NOT RDY’S 25 Num. cycles quit early with 0:11 or more rem 9Q. QUIT 11+ 3 Num. cycles beeped *DONE* 21 sec or more 9R. DONE 21+ 13 Individual product cook counts 9S. Px CK CT 466 Individual product not detected counts 9T. Px NO DET 31 Individual product slow cook counts 9U. Px SLO CT 0 Individual product frozen or overloaded 9V. Px FRZ/OV 5

Y EX:

During steps 9S through 9V, press the product buttons (or

Manual Prog) to see data on individual product items.

Press to continue onto INP A_VHDSF_M checks.

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10. INP A_VHDSF_M

This mode displays the status of components and inputs. If the input signal is detected, an identifying letter is displayed (see below). If the signal is not detected, “_” is displayed.

W

ith the COOK/PUMP switch turned to COOK, and all inputs detected, “H_ P_ A_VHDSF_M” shows in the display, for electric fryers; “H_ P_ A_VHDSFP_” for gas fryers. See below for deﬁ nition of codes.

A = COOK/PUMP switch turned to COOK B = COOK/PUMP switch in PUMP position V = Volts - 24 VAC detected H = High Limit - If “H” is present, the high limit is good; if “H” is missing, the high limit is tripped (overheated) or faulty D = Drain switch - If “D” is present, the drain handle is closed; if “D” is missing, the drain is open or faulty S = COOK/PUMP switch “on” interlock circuit: If “S” is present, COOK/PUMP switch is in the COOK position; if “S” is missing, power switch is either off, failed, or wired incorrectly F = Fan P = PV - Detects 24 V jumper to PV terminal - gas fryers only M = MV - Detects 24 V jumper to MV terminal - electric fryers only

Press to view speciﬁ c status of each input. An underscore

(“_”) indicates the input is not presently detected. A checkmark (“\/” ) indicates the signal is detecting a normal input. A blinking (“X”) indicates the signal is presently detected, but is detected as a half-wave (partially failed) input.

The V, H, D, S, F, P, and M signals below are wired in series. The ﬁ rst signal missing out of this sequence will generally cause all signals to the right of it to be missing as well.

Press to continue onto OUTP H* P_ checks.

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1-6. INFORMATION MODE DETAILS

11. OUTP H* P_

This mode displays the status of components and outputs. If the output signal is detected, an identifying letter is displayed (see below), followed by an “*”. If the output is off, “_” is displayed.

H = Heat output P

= Pressure output

If heat is on, “H*” shows in display. If heat is off, “H_” shows in display. If controls senses a problem with the heat output, “H*” shows in display, with the “*” ﬂ ashing.

If pressure is on, “P*” shows in display. If pressure is off, “P_” shows in display. If controls senses a problem with the pressure output, “P*” shows in display, with the “*” ﬂ ashing.

Press to view the “amps” status of each output.

“H\/” and “P\/” in the display means the amps are good. A ﬂ ashing “X” behind the H or P means a problem exists.

Press to view the no connect/ground (“NC/GD”) status of each

output. This monitors a possible problem with the relays on the output PC board.

“H\/” and “P\/” in the display means everything on output PC board

is good. A ﬂ ashing “X” behind H or P means a problem exists.

Press to view the outputs and inputs (see step 10) together.

Press to continue onto the POT TMP reading.

12. POT TMP

This step shows the present peanut oil temperature. The display shows “12. POT TMP (temp.)”.

Press to continue onto the CPU TMP reading.

13. CPU TMP

This step shows the present PC board temperature.

Press to continue onto the

1-40 305

ANALOG reading.

Model 500/600

1-6. INFORMATION MODE DETAILS

14. ANALOG <1> 2344

This step displays the present status of any channel of the controller’s a to d converter. This feature may be useful to a technician troubleshooting a problem with the fryer or controller.

Displayed value can be toggled between volts and bits by pressing . If the displayed value has a decimal point, it is voltage

(0 to 5 VDC). If no decimal point is shown, the value is a-to-d bits (0 - 4095).

Press to continue onto AC volts reading.

15. AC VOLTS 98%

This item displays the present status of the line voltage supply to the fryer

. The displayed value is averaged over a 10-second period, so brief dips or ﬂ uctuations in the voltage might not show up in this display.

The voltage is normally displayed as a “percent of nominal” value, where 100% would indicate that voltage is right on the nominal value (i.e. 208 volts for a 208v fryer). The display can be toggled to an actual Voltage value by pressing .

Press to continue onto AMPS reading.

16. AMPS 33 33 33

For electric fryers, this display shows the present readings from the fryer’s amps sensors, which monitor the electrical current supplied to the heaters. (These sensors are not present on gas fryers.)

On pressure fryers, these values indicate the current through each supply leg to the heaters. These values do not correspond directly to the current through an individual heater coil.

The amps values should normally cycle on and off with the heat light, and all three values should be about the same.

Press and hold to exit Information Mode at any time, or after 2 minutes, controls automatically exit back to normal operation.

305 1-41

Model 500/600

SECTION 2. MAINTENANCE

2-1. INTRODUCTION

2-2. MAINTENANCE

HINTS

This section provides procedures for the checkout and replacement of the various parts used within the fryer. Before replacing any parts, refer to Section 1, Troubleshooting. It will aid you in determining the cause of the malfunction.

1. You may use two test instruments to check the electric

components.

• A continuity light

• An ohmmeter

2. When the manual refers to the circuit being closed, the continuity light will be illuminated or the ohmmeter should read zero unless otherwise noted.

3. When the manual refers to the circuit being open, the continuity light will not illuminate or the ohmmeter will read 1 (one).

A continuity tester cannot be used to check coils or motors.

305 2-1

Model 500/600

2-3. PREVENTIVE

MAINTENANCE SCHEDULE

2-4. REMOVING THE

CONTROL PANEL

To ensure a long life of the fryers and their components, regular maintenance should be performed. Refer to the chart below.

Frequency Action

Daily (3-4 loads) Filter shortening Daily Clean deadweight valve cap, weight, and oriﬁ ce 30 Days Lubricate spindle threads and ball seat 90 Days Reverse lid gasket 90 Days Check limit stop adjustment 90 Days Check and tighten element spreaders Once a year Remove and clean safety relief valve

To replace parts inside the fryer you will often need to remove the control panel. The following steps provide the correct procedure:

Removal

1. Place the main power switch to the OFF position.

(This switch is labeled COOK/OFF/PUMP.)

Step 2

Step 3

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

2. Remove the screws from the of the control panel.

3. With the fryer door partially closed, place the lower edge of control panel in the slot between the door and the frame of the fryer.

2-2 305

Model 500/600

2-5. TRANSFORMER

REPLACEMENT

The transformer reduces the voltage down to accommodate those components with low voltage.

1. Remove electrical power supplied to the unit.

To avoid electrical shock or property damage, move the

power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

2. Remove the control panel. Refer to Section 2-4.

3. Disconnect the white box connector.

Step 3

Step 4

4. Remove the two screws securing transformer to the

unit and remove transformer.

5. Replace with new transformer in reverse order.

305 2-3

Model 500/600

2-6. TEMPERATURE PROBE REPLACEMENT

Step 4

The Temperature Probe relays the actual shortening temperatureto the control. If it becomes disabled, “E-6” shows in thedisplay. Also, if the temperature is out of calibration more than 10°F, or 10°C, the temperature probe should be replaced. An Ohm check can be performed also. See chart at end of this section.

1. Remove electrical power supplied to the fryer.

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

2. Drain the shortening from the frypot.

3. Remove the control panel. Refer to Section 2-4.

4. Using a 1/2” wrench, remove the nut on the compression ﬁ tting.

5. Remove the temperature probe from the frypot.

6. Follow the appropriate instructions below depending upon the type of fryer, gas or electric.

ELECTRIC

2-4 906

Model 500/600

2-6. TEMPERATURE PROBE REPLACEMENT (Contin-

GAS

ued)

7. Tighten the compression nut hand tight and then a half turn with wrench.

Excess force will damage temperature probe.

8. Connect new temperature probe to PC board and replace control panel.

9. Replace shortening and turn power on and check out fryer.

906 2-5

Model 500/600

2-7. HIGH TEMPERATURE LIMIT CONTROL (ELECTRIC AND GAS MODELS)

Electric

Gas

Red Reset Button

Description

This high temperature control is a manual reset control which senses the temperature of the shortening. If the shortening temperature exceeds the safe operating limit, this control switch will open and shut off the heat to the frypot. When the temperature of the shortening drops to the safe operating limit, the control must manually be reset.

To locate the high limit reset button, open the door to the drain pan. Look up under the controls and to the right of the ﬁ lter handle for a red reset button. (On the left for single phase units.)

Checkout

Before replacing a high temperature limit control, check to see that its circuit is closed.

The shortening temperature must be below 380º F to accurately perform this check.

1. Remove electrical power supplied to the fryer.

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

2. Remove the control panel. Refer to Section 2-4.

2-6 305

Model 500/600

2-7. HIGH TEMPERATURE

LIMIT CONTROL (ELECTRIC AND GAS MODELS) (Continued)

Electric

High Limit Capillary Tube

Step 3

Gas

3. Remove the two electrical wires from the high

temperature limit control.

4. Check for continuity between the two terminals after resetting the control. If the circuit is open, replace the control, then continue with this procedure. (If the circuit is closed, high limit is not defective. Reconnect the two electrical wires.)

Replacement

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

1. If the capillary tube is broken or cracked, control will open, shutting off electrical power. The control cannot be reset.

2. Drain shortening from the frypot.

3. Remove control panel.

4. Loosen small inside screw nut on capillary tube.

5. Remove capillary bulb from bulb holders inside the frypot.

6. Straighten the capillary tube.

7. Remove larger outside nut that threads into pot wall.

8. Remove the two screws that secure the high limit to the high limit bracket.

9. Remove defective control from control panel area.

10. Insert new 450 degree high limit (part no. 16738) and replace screws.

11. Uncoil capillary line, starting at capillary tube, and insert through frypot wall.

Step 1

To avoid electrical shock or other injury, the capillary line must run under and away from all electrical power wires. The tube must never be in contact with the electrical power wires or terminals.

409 2-7

Model 500/600

2-7. HIGH TEMPERATURE

LIMIT CONTROL (ELECTRIC AND GAS MODELS) (Continued)

CENTER

Electric

Gas

Step 13

12. Carefully bend capillary bulb and tube toward bulb holders on heating elements on electric units, and toward the welded clips on gas units.

Hang 2 high limit bulb holders, for capillary bulb of the 450 degree high limit (part no. 16738) from the center of the top element. See photo at left.

13. Slip capillary bulb into 2 bulb holders located on heating elements, on electric units, and snap bulb in place in welded clips, on gas units. Pull excess capillary line from pot and tighten nut into frypot wall.

Be sure capillary bulb of high limit on electric units is not located past the front of the elements. The capillary bulb and bulb holders should be positioned as not to interfere with basket or when cleaning the frypot wall, or damage to capillary tube could result.

14. With excess capillary line pulled out, tighten smaller nut.

15. Replace front panel.

16. Reﬁ ll with shortening.

2-8 409

Model 500/600

2-8. HEATING ELEMENTS

(ELECTRIC MODELS)

Description

Each electric fryer uses three heating element assemblies.

Heating elements are available for 208, 220/240, or 440/480 voltage. Check the data plate inside the door to determine the correct voltage.

Maintenance Hint

If the shortening’s temperature recovery is very slow, or at a slower rate than required, this may indicate defective heating element(s). An ohmmeter will quickly indicate if the elements are shorted or open.

Checkout

1. Remove electrical power supplied to the fryer.

To avoid electrical shock or property damage, move power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

2. Remove the control panel and insert it in the slot

above the door. Refer to paragraph 2-4.

3. Perform an ohm check on one heating element at a time, with wires disconnected from element. If the resistance is not within tolerance, replace the element.

HEATER RESISTANCE IN P/N POWER VOLTAGE OHMS (COLD)

18233-1 4500W 208VAC 9+1 18233-2 4500W 230VAC 11+1.5 18233-4 3750W 208VAC 11+1.5 18233-5 3750W 220VAC 12+2 18233-6 3750W 480VAC 60+5 18233-7 4500W 480VAC 50+4 18233-8 4500W 380VAC 32+3.5

305 2-9

Model 500/600

2-8. HEATING ELEMENTS

(ELECTRIC MODELS) (Continued)

Replacement

1. Drain the shortening.

2. Remove the high limit bulb holder from the heating element inside the frypot.

3. Remove the heating element wires from the terminals by removing nuts (5) and washers (6 and 7). Label each so it can be replaced in the same position on the new element.

4. Loosen the bolts on the four element spreaders.

5. Slide the element spreaders to the center of the heating element.

6. Remove the brass nuts (4) and washers (3), which secure the ends of the elements through the frypot wall.

(Reference Figure 3-16)

7. Remove the heating elements from the frypot as a group by lifting the far end and sliding them up and out toward the rear of the frypot.

Always install new rubber O-rings (2) when installing

heating elements.

8. Install new heating elements with new rubber O-rings (2) mounted on terminal ends, and spreaders loosely mounted in the center of the stacked elements.

9. Replace the heating elements, terminal end ﬁ rst at approximately 45º angle, slipping the terminal ends through the front wall of the frypot.

2-10 305

Model 500/600

2-8. HEATING ELEMENTS

(ELECTRIC MODELS) (Continued)

10. Replace the brass nuts (4) and washers (3) on the heating element terminals. Tighten the brass nuts to 30 foot lbs of torque.

11. Move the element spreaders from the center of the element, into a position which will spread each element apart evenly on all four sides, and tighten.

12. Replace the high limit bulb holder on the top element, and position the bulb between the top and second element midway from side to side, and tighten screw which holds the bulb in place.

13. Reconnect the wires to the appropriate terminal as labeled when they were removed.

14. Replace the front control panel.

15. Connect the power cord to the wall receptacle or close wall circuit breaker.

Heating elements should never be energized without shortening in the frypot, or damage to elements could result.

16. Check the heating elements as described in paragraph 2-17 of Operator’s Manual.

17. Replace the shortening in the frypot.

305 2-11

Model 500/600

2-9. HEATING

CONTACTORS (ELECTRIC MODELS)

Description

Each electric fryer requires two switching contactors. One is the primary contactor and the second in line is the heat contactor. When open, the primary contactor allows no power to ﬂ ow to the heat contactor. When closed, the primary contactor completes the timer circuit and the high limit (heat) circuit. It also supplies power to the heat contactor which is controlled by the thermostat.

Heat Contactor

30 31 32

34 35 36

Checkout (power removed)

1. Remove electrical power supplied to the fryer.

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

2. Remove the control panel.

3. Perform a check on the contactor as follows:

Test Points Results

From 23 to 29 open circuit From 24 to 28 open circuit From 25 to 27 open circuit From 30 to 34 open circuit From 31 to 35 open circuit From 32 to 36 open circuit From 33 to 37 ohm reading 1700 From 22 to 26 ohm reading 415

Wires should be removed and labeled to obtain an accurate check of contactors.

2-12 305

Model 500/600

2-9. HEATING

CONTACTORS (ELECTRIC MODELS) (Continued)

Heat Contactor

30 31 32

34 35 36

Checkout (power suppled)

To avoid electrical shock, make connections before applying power, take reading, and remove power before removing meter leads. The following checks are performed with the wall circuit breaker closed and the main power switch in the ON position.

1. With power re-applied, press one of product buttons to start

the unit heating.

2. On fryers using single phase power, check voltage as

follows:

Test Points Results

from pin D on The voltage circuit breaker to: should read terminal 34 the same at terminal 35 each terminal. terminal 36 It should (If voltage is not correspond to present, check out- the voltage put of primary rating stated contactor at on the data terminals 27, 28, plate. and 29.)

3. On fryers using three-phase power, check voltage

as follows:

Test Points Results

Heat contactor The voltage from terminal 34 to 35 should read from terminal 35 to 36 the same at from terminal 34 to 36 each terminal. Primary contactor It should from terminal 27 to 28 correspond to from terminal 28 to 29 the voltage from terminal 27 to 29 rating stated

on the data

plate.

305 2-13

Model 500/600

2-9. HEATING

CONTACTORS (ELECTRIC MODELS) (Continued)

Replacement

If either contactor is defective it must be replaced as follows:

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

1. Remove only those wires directly connected to the

contactor being replaced. Label the wires.

2. On the mercury heat contactor, use a 5/16” socket or nut driver and loosen four nuts securing contactor to shroud. Slide contactor up and then pull out through the slotted holes in the base of the contactor.

Step 2

3. On the primary contactor, remove two mounting screws on the base plate and remove contactor.

4. Install the new contactor and tighten the two mounting screws.

5. Connect the labeled wires to their respective positions.

6. Install the control panel.

7. Reconnect power to the fryer and test the fryer for proper operation.

2-14 305

Model 500/600

2-10. GAS BURNER

ASSEMBLY (GAS MODELS)

Description

MAIN GAS CONTROL VALVE

THERMOCOUPLE

ORIFICE

PILOT HOLDER

BURNER CASTING

The gas model fryer has a gas burner assembly consisting of a burner casting, oriﬁ ces, thermocouple, pilot holder, and main gas control valve.

Safety Precautions

If converting from natural gas to propane gas or from propane

gas to natural gas, conversion must be done by a qualiﬁ ed

service technician.

TO AVOID PERSONAL INJURY OR PROPERTY DAMAGE, BEFORE STARTING THIS PROCEDURE,

MOVE THE MAIN POWER SWITCH TO THE OFF POSITION. DISCONNECT THE MAIN CIRCUIT

BREAKERS AT THE CIRCUIT BREAKER BOX OR UNPLUG SERVICE CORD FROM WALL RECEPTACLE. TURN OFF THE MAIN GAS SUPPLY TO THE FRYER AND DISCONNECT AND CAP THE MAIN SUPPLY LINE TO FRYER, OR POSSIBLE EXPLOSION COULD RESULT.

1. Remove the control panel per paragraph 2-4.

2. Label and remove the gas control valve wires.

3. Place the control panel back in upright position, in the

metal ﬂ anges.

305 2-15

Model 500/600

2-10. GAS BURNER

ASSEMBLY (GAS MODELS) (Continued)

4. Remove wires from the gas control valve.

5. Disconnect gas supply line (28) from the connector (24) at

Step 4

control valve. (Refer to photo below.)

2428

6. Loosen the two screws (13) on the heat shield deﬂ ector (9), on the ﬁ rebox and ﬂ ue assembly and raise the deﬂ ector to its highest position.

7. Retighten screws (13) to hold the heat shield deﬂ ector in the high position.

Step 6 and 7

U-BOLT

8. Turn the ﬁ lter valve rod to the OPEN position.

9. Remove u-bolt from rinse hose bracket.

TURN ROD

Step 5, 8 and 9

2-16 305

Model 500/600

2-10. GAS BURNER

ASSEMBLY (GAS MODELS) (Continued)

8

10. Remove entire gas burner assembly, by lifting and pulling

toward front of fryer.

a. Replace thermocouple (19) as required, per paragraph 2-13.

b. Repair or replace gas control valve (20) as required, per

paragraph 2-14.

c. Replace oriﬁ ces (8 and 17) as required.

17

There are 23 brass oriﬁ ces and 1 stainless steel oriﬁ ce. The stainless steel oriﬁ ce is to be mounted adjacent to the pilot light.

11. Make other repairs or replacements as required.

12. Install entire gas burner assembly.

Step 10c

13. Install u-bolt to rinse hose bracket and gas line.

14. Turn the ﬁ lter valve handle to the CLOSED position.

15. Loosen the two screws (13) which are holding the heat shield deﬂ ector (9) in the high position, and lower it to the normal operating position.

16. Tighten the two screws (13) on the heat shield.

17. Connect gas supply line (28) to the gas control valve connector (24).

18. Install the wires onto gas control valve.

305 2-17

Model 500/600

2-10. GAS BURNER

ASSEMBLY (GAS MODELS) (Continued)

19. Remove control panel and install it in slot above the door.

20. Connect gas control valve wires to the thermostat and high temperature limit control as labeled.

21. Install control panel per paragraph 2-4.

22. Uncap and reconnect the main gas supply line to the fryer.

Turn on the main gas supply

LEAKING GAS MAY CAUSE AN EXPLOSION. CHECK FOR LEAKS PER OPERATOR’S MANUAL PARAGRAPH 2-8.

23. Connect the service cord to the wall receptacle, or close

circuit breakers.

24. Relight gas pilot per the instructions in paragraph 2-10 of

the Operator’s Manual.

2-11. THERMOCOUPLE (GAS MODELS)

The thermocouple controls the gas control valve. It generates voltage in the millivolt. This voltage signals the gas control valve to remain open to the pilot and burner. When the voltage is not generated the gas control valve will shut off, not allowing gas to the pilot and main burner.

If converting from natural gas to propane gas or from propane gas to natural gas, conversion must be done by a qualiﬁ ed technician.

TO AVOID INJURY OR PROPERTY DAMAGE, BEFORE STARTING THIS PROCEDURE, MOVE THE MAIN POWER SWITCH TO THE OFF POSITION. DISCONNECT THE MAIN CIRCUIT BREAKER AT THE CIRCUIT BREAKER BOX OR UNPLUG THE SERVICE CORD AT THE WALL RECEPTACLE. TURN OFF THE MAIN GAS SUPPLY TO THE FRYER. DISCONNECT AND CAP THE SUPPLY LINE TO FRYER, OR EXPLOSION COULD RESULT.

2-18 305

Model 500/600

2-11. THERMOCOUPLE

(GAS MODELS) (Continued)

GAS CONTROL VALVE (20)

Replacement of Thermocouple

Removal of the thermocouple is accomplished with the main gas supply shut off. The main burner may remain inside the fryer, but the work is more easily performed with the burner removed.

1. Using a 3/8” wrench, remove nut securing the thermocouple

(19) in the gas control valve (20).

19

Step 1

19

Step 2

(Refer to exploded view,

ﬁ gure 3-14)

Step 3

2. Remove nut securing the thermocouple in the pilot holder.

3. Install new thermocouple, being careful not to create sharp bends in the tubing. When the pilot is lit, the ﬂ ame must surround the top of the thermocouple.

4. Turn on the main gas supply and reconnect the electrical power.

5. Light the pilot per paragraph 2-10 of the Operator’s Manual and test the fryer for proper operation.

305 2-19

Model 500/600

2-12. GAS CONTROL

VA LV E

Description

The gas control valve regulates the ﬂ ow of gas to the pilot and the main burner. The valve consists of: gas regulator, magnetic plug, pilot gas tube, gas valve knob, pilot adjustment cap and screw, gas outlet and inlet ports, thermocouple connector, and electrical connection. The gas control valve also has a dial reference point OFF/PILOT/ON.

The components of the gas control valve can be serviced without removing the complete valve from the fryer.

Safety Precautions

If converting from natural gas to propane gas or from propane gas to natural gas, conversion must be done by a qualiﬁ ed technician.

TO AVOID INJURY OR PROPERTY DAMAGE, BEFORE STARTING THIS PROCEDURE, MOVE THE MAIN POWER SWITCH TO THE OFF POSITION. DISCONNECT THE MAIN CIRCUIT BREAKER AT CIRCUIT BREAKER BOX OR UNPLUG THE SERVICE CORD AT THE WALL RECEPTACLE. TURN OFF THE MAIN GAS SUPPLY LINE TO FRYER. DISCONNECT AND CAP THE SUPPLY LINE TO FRYER, OR EXPLOSION COULD RESULT.

If the gas control valve must be replaced, remove per paragraph 2-10.

Operator Replacement

1. Depress the gas valve knob and turn to the OFF position.

2. Remove control panel per paragraph 2-4.

3. Label and remove the gas control valve wires.

2-20 305

Model 500/600

2-12. GAS CONTROL

VALVE (Continued)

Step 5

Gasket Operator

Operator Replacement (continued)

4. Using a T20 “star” screwdriver, remove 4 screws securing the operator and gasket.

5. Secure the new operator and gasket with the four screws provided.

6. Reconnect the gas control valve wires.

7. Install the control panel per paragraph 2-4.

Check Procedures:

120 volt - 50/60 Hz ..............2350 ohms

208-240 volt - 50/60 Hz 880 ohms

24 volt - 50/60 Hz ...................7 ohms

Spring Interior Screw Cap

Exterior Screw Cap

Regulator Spring Replacement

1. Remove the screw cap to the regulator.

2. Remove the plastic interior screw cap and spring.

3. Use gas control valve manufacturer’s instructions from the envelope containing the regulator spring, and follow the

directions.

305 2-21

Model 500/600

2-12. GAS CONTROL

VALVE (Continued)

Adjusting Pilot Burner

The following two procedures must be performed with the gas supply reconnected and turned on. The service cord must be plugged into the receptacle and the circuit breaker on.

1. The pilot burner is preset at the factory. It may require resetting at the time of installation.

a. Remove the pilot adjustment cap.

b. Use a small ﬂ at screwdriver and rotate the adjustment screw counterclockwise to increase the size of the ﬂ ame. Rotate clockwise the adjustment screw to decrease the size of the ﬂ ame.

The ﬂ ame should be set high enough to surround the top of the thermocouple.

PRESSURE TAP

Adjusting Regulator

1. The pressure regulator is preset at the factory. It may

require resetting at the time of installation.

a. Turn gas valve knob to OFF position.

b. Attach a manometer to the gas control valve at the

pressure tap.

c. Turn gas valve knob to PILOT, light, and turn to ON.

d. Remove the regulator adjustment screw cap.

e. Rotate the adjustment screw counterclockwise to increase the column indicated on the manometer or rotate clockwise to lower the column indicated.

f. Turn gas valve knob to OFF and remove manometer.

g. Replace the regulator adjustment screw cap.

h. Turn gas valve knob to PILOT and relight. Leak test with soap and water solution.

Natural gas regulator is factory preset at 3 1/2 inches water column.

MANOMETER REGULATOR ADJUSTING SCREW

2-22 305

Step 1a

Propane gas regulator is factory preset at 10.0 inches water column.

Model 500/600

2-13. ELECTRICAL

COMPONENTS

FAN

Safety Precautions

Do not disconnect the ground (Earth) plug. This fryer MUST be adequately and safely grounded (Earthed) or electrical shock could result. Refer to local electrical codes for cor rect grounding (Earthing) procedures or in absence of local codes, with The National Electrical Code, ANSI/NFPA No. 70-(the current edition). In Canada, all electrical connections are to be made in accordance with CSA C22.1, Canadian Electrical Code

Part 1, and/or local codes.

Electric motor bearings are permanently lubricated and do not require attention during the normal service life of this fryer.

Fan (Gas Models)

The gas model fryers have a fan in the circuit. This fan operates only with the Main Power switch in the ON position. The fan helps keep the control panel cool by pulling out heat, from between the control panel and frypot.

The replacement of a faulty fan is accomplished using following procedure:

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

1. Remove control panel per Removing Control Panel section.

2. Label and disconnect fan motor wires.

3. Remove the four cap screws, washers and nuts securing the

fan to the heat shield.

4. Remove the fan from the heat shield.

5. Install the new fan on the heat shield and secure with the

four screws, washers, and nuts.

6. Reconnect the fan motor wires.

7. Install control panel per Removing Control Panel section.

305 2-23

Model 500/600

2-13. ELECTRICAL

COMPONENTS (Continued)

EXTENSION ROD

SCREWS AND NUTS

Drain Switch

All fryer models have a drain microswitch in line with the gas control valve or heat contactor and the thermostat. When drain valve is opened to drain the shortening, this causes drain switch to open, shutting off electrical power to the heating elements.

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

1. The following check should be made to determine if the drain switch is defective. All checks should be made with drain valve in closed position, with the actuator pushed in.

a. Remove drain switch cover on gas fryers.

b. Remove wires from the switch.

ACTUATOR

“SHOWN WITH COVER IN PLACE”

NUT

ACTUATOR

DRAIN VALVE EXTENSION ROD

“SHOWN WITH COVER REMOVED”

Step a

Step 2

c. Check for continuity across the middle and normally open terminals on the drain switch. Press on the actuator and if circuit is open, drain switch is bad. The circuit should only be opened by releasing the actuator of the drain switch.

2. To replace the drain switch, remove the two screws

and nuts securing switch.

3. Label and disconnect wires.

4. Connect wires to new drain switch.

5. Position actuator and attach drain switch and switch cover with two screws and nuts. Tighten nuts to 3 - 4 inch-pounds of torque.

6. Test to see if drain valve extension rod actuates the switch.

Listen for “click” of switch while rotating drain valve extension rod.

2-24 710

Model 500/600

2-13. ELECTRICAL

COMPONENTS (Continued)

Cook/Pump Switch (all models)

The Cook/Pump switch is a three way switch with a center OFF position. With the switch in the COOK position the fryer will operate. With the switch in the PUMP position the ﬁ lter pump will operate but the heating unit will not.

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

Continuity Check Procedure

1. Remove control panel.

Step 3

2. Label and remove wires from the switch.

3. OFF position-should be open circuit anywhere on switch.

4. COOK position. Check from: #5 to #6 closed circuit

#l to #2 closed circuit

5. Pump position. Check from: #4 to #5 closed circuit #3 to #2 closed circuit

Replacement

1. Remove control panel per Replacing Control Panel Section.

2. Label wires at Cook/Pump switch and disconnect wires at

switch.

3. Remove faulty switch by pressing in on tabs on the switch, behind the control panel and pull the switch through the front of the panel.

4. Install new switch.

5. Reconnect wires to switch in same position as noted on labels.

6. Replace control.

305 2-25

Model 500/600

2-13. ELECTRICAL

COMPONENTS (Continued)

Fuse Holder(s) (electric models)

There are two fuse holders on each model of the electric fryers. There are no fuse holder assemblies for the gas models other than that at the main power source.

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

Checking Procedure for Fuses

CONTROL PANEL FUSES 3 Phase Check from #54 to #55 and #68 to #69 on fuse assembly. The circuit should be closed. If not, replace the fuse (HP# EF02-007).

Cord and Plug Check

Perform a check on the cord and plug as follows. Test from each plug prong to the corresponding wire lead on the other end of the cord at junction box. The result should be a closed circuit on each line tested.

Wall Receptacle (voltage check)

Check the voltage across the following lines:

L1-L2; L2-L3, L1-L3.

The voltage should read the same for each line test. It should correspond to the voltage shown on the data plate.

Check the voltage across line L1 and L2.

The voltage should correspond to the voltage shown on the data plate.

2-26 305

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST

Solenoid Valve

This is an electromechanical device that causes pressure to be held in the frypot. The solenoid valve closes at the beginning of the cook cycle and is opened automatically by the timer at the end of the cook cycle. If this valve should become dirty or the teﬂ on seat nicked, pressure will not build up. The solenoid valve used on all models is the same with the exception of the coil. The gas model fryer uses a 120 volt, 60 Hz, coil. The electric model fryer uses a 208/240 volt 60 Hz coil. The 440/480 volt electric model uses a transformer to drop voltage to 220/240 volts.

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

Coil Check Procedure

1. Remove the cover of the junction box in the rear of the fryer. Locate the solenoid wires and remove them from the wirenuts. Check the ohms of the solenoid coil by checking across the solenoid wires. Use chart below:

Test Volts/Phase Results 120 volt 60 Hz 50 ohms 208-240 volt 60 Hz 150 ohms 208-240 volt 50 Hz 245 ohms

305 2-27

Model 500/600

2-14. PRESSURE REGULATION/

EXHAUST (Continued)

Replacement

Solenoid Valve Assembly

1. Remove Tru-Arc retaining clip on top of the coil housing.

2. Remove the nameplate and cover.

Conduit Connector

3. If only the coil is replaced, disconnect two coil wires at the wire nuts in the coil housing, and remove the coil from the housing. Then replace nameplate, cover, and Tru-Arc clip.

If complete solenoid, or seals are being replaced, continue

on to step 4.

The wires may be connected in any order.

4. Loosen nut on 1/2 inch connector and pull piping conduit from the valve case. Leave enough slack to remove the coil housing and yoke.

Step 4

2-28 305

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

5. If the core-disc assembly is sticking due to buildup of shortening,

breading and food particles proceed with the following steps.

a. Unscrew the solenoid bonnet assembly from the solenoid valve

body.

Step 5a

Step 5b

Step 5c

b. Remove the solenoid bonnet assembly and the bonnet gasket.

c. Remove the core-disc assembly, core spring retainer, and the

core spring.

305 2-29

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

d. Wash all parts in soap and hot water.

If replacing Teﬂ on seals, or complete valve, proceed to step 6, otherwise, assemble in reverse order of disassembly.

Assemble valve core and blade (6), with the smooth side of the hole towards the disc spring guide (9). (See drawing on next page)

6. A repair kit (Part No. 17120) is available if any of the seals are replaced. If any one seal is defective, all seals should be replaced.

Remove the solenoid body from fryer to replace seals. Refer to exploded view of solenoid on page 3-14 to help identify all parts.

Rear Cover Step a

Exhaust Fitting Step b

a. Remove back cover.

b. Loosen both conduit and exhaust ﬁ ttings.

c. Remove nipple from solenoid body.

d. Unthread body from fryer.

e. A new solenoid can now be placed on the fryer, and reassembled in reverse order of previous steps, or continue on to step 7 to change the seals.

Conduit Fitting Step c

2-30 305

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

7. To change seals:

a. Remove the two adapter screws (22) which attach the pipe adapter (21) to the solenoid body (20).

b. Remove disc spring (10), guide (9), and Teﬂ on seat (8).

c. Clean the valve body.

d. Wet O-ring (12) around seat with water and insert O- ring assembly (ﬂ at side ﬁ rst) in valve, through IN side of body. Use a pencil eraser, and press in Teﬂ on seat until irt snaps into place. Be careful not to mark or nick seat.

The smallest nick can cause a pressure leak. Replace all O-ring seals, found in the parts kit, and reassemble valve.

305 2-31

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

valve ring gauge

Deadweight Valve

DO NOT ATTEMPT TO REMOVE THE VALVE CAP WHILE THE FRYER IS OPERATING. SEVERE BURNS, OR OTHER INJURIES COULD RESULT.

The deadweight valve and safety relief valve are located side by side at the back of unit. The valve next to the pressure gauge is the operating control valve, and the other valve is a 14 1/2 lb. safety relief valve.

Valves are working properly, when OPERATING ZONE is indicated on gauge by the pointer. The gauge pointer should not normally exceed operating zone. At 14 1/2 psi, the safety relief valve opens to release steam pressure from the frypot.

safety valve deadweight valve

DO NOT MANUALLY ACTIVATE THE SAFETY RELIEF VALVE. HOT STEAM RELEASES FROM THE VALVE WHEN THE RING IS PULLED. KEEP BODY PARTS AWAY FROM SAFETY VALVE EXHAUST, OR SEVERE BURNS COULD RESULT.

Cleaning Steps

1. Clean the deadweight valve, at the end of each day. Turn the fryer OFF and release all the pressure. Open the lid and then remove the deadweight valve cap and deadweight.

2. Place both the cap and weight in hot detergent water and clean. Make certain to thoroughly clean inside cap, the weight seat, and around the deadweight oriﬁ ce.

3. Rinse thoroughly with hot water. Dry parts and replace immediately to prevent damage or loss.

2-32 305

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

safety valve

Removal and Cleaning of Safety Relief Valve

The safety relief valve should be cleaned once a year.

DO NOT ATTEMPT TO REMOVE VALVE WHILE

FRYER IS OPERATING. SEVERE BURNS OR OTHER

INJURIES COULD RESULT.

1. Open the lid and then remove the deadweight valve cap and deadweight.

2. Use a wrench to loosen the valve from the pipe elbow, turn counterclockwise to remove.

3. Clean the inside of the pipe elbow with hot detergent.

4. Immerse the safety relief valve in a soap water solution for 24 hours. Use a 1:1 dilution rate. The valve cannot be disassembled. It is factory preset to open at 14 1/2 pounds of pressure. If it does not open or close it must be replaced.

TO AVOID PERSONAL INJURY, DO NOT DISASSEMBLE OR MODIFY THIS VALVE. TAMPERING WITH THIS VALVE WILL VOID AGENCY APPROVALS AND THE APPLIANCE WARRANTY, AND COULD CAUSE SERIOUS INJURIES.

Pressure Gauge

The pressure gauge can be recalibrated should it be out of adjustment.

ADJUSTING

SCREW

Calibration Steps

1. Remove the rim and glass.

2. If the indicating hand shows a pressure or vacuum reading when it should stand at “0”, turn the recalibrator screw in

Step 2

the same direction in which the indicating hand is to be moved until the hand stands at proper “0” position.

3. Replace the rim and glass.

305 3-33

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

Pressure Gauge Cleaning Steps

1. Remove gauge and check inside the pipe ﬁ ttings from dead weight body. Make certain ﬁ ttings are clean and open.

2. Clean and reinstall the gauge.

Condensation Box Assembly

The deadweight valve and solenoid exhausts are directed into a condensation box, located in the rear of the fryer. Should this box become clogged, water would spew from the top of the box. The box can be cleaned by running a wire or long brush from the top of the box, through hole in the bottom of the box, or the bottom of the box can be removed to clean.

Condensation Box Bottom Removal Model 500-SN: KB021JB to HB013JB Model 600-SN: KA021JJ to GA085JB

When cleaning the frypot, pour a cup of cleaning solution into the large exhaust hose at the top of the exhaust tank (see ﬁ gure at left). This helps prevent the box from getting clogged.

Condensation Box Fitting Step 1

Condensation Box Bottom Step 2

1. Loosen ﬁ tting at the bottom of the box.

2. Using a Phillips head screwdriver, remove 4 screws securing

the bottom of the box and pull bottom from assembly.

3. Clean outlet hole in box bottom and check condensation

tube for clogs, and clean if necessary.

4. Reinstall box bottom and condensation line.

5. Seal box bottom with silicone sealant and unit is now ready

for operation.

3-34 305

Model 500/600

2-14. PRESSURE REGULATION/

EXHAUST (Continued)

Step 1

Condensation Box Disassembly Model 500-SN: HB014JB & Above Model 600-SN: GA086JB & Above

Should the condesation box become clogged on these fryers, disassemble the condesation box as follows:

1. Loosen ﬁ tting at the bottom of the box.

2. Remove the rear cover.

3. Loosen hose clamp on the upper condensation line and pull

the hose from the elbow.

4. Using a Phillips head screwdriver, remove screws securing

the bottom of the box and pull bottom from assembly.

Step 2

Step 3

5. Cut the silicone seal between outside and inside panels of

condensation box, and pull the inside from the outside panel.

6. Clean outlet hole in box bottom and check the condensation

tube for clogs, and clean if necessary.

7. Reinstall the inside panel of the box to the outside panel.

8. Reinstall the condensation hose.

9. Seal box with silicone sealant and unit is now ready for use.

Step 4

305 2-35

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

Lid Cover Assembly

Description

Generally, the lid spindle, the limit stop, the cover, the hinge, the inner and the reversible gasket comprise the lid cover assembly.

Lid Cover Removal

Step 2

The lid cover is easily removable for cleaning or service.

1. Close lid cover and turn the spindle counterclockwise until it

stops.

2. Pull the lid release pin on front of crossbar, lift the latch,

and raise the crossbar.

3. The cover can now be removed from frypot.

Step 3

2-36 305

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

Lid Cover Installation

1. Place the lid cover on the frypot.

2. Thread the spindle counterclockwise until it is completely

extended.

3. Align rear retaining hook on the lid cover in the center slot of the crossbar. Push the cross bar down and pull out on lid release pin.

4. Push the lid to rear of frypot and latch the cross bar to the lid cover. Release the pin.

5. Check that lid cover is fastened properly before raising.

Lid Hinge Spring

The hinge spring needs to be replaced if it is broken, cracked or otherwise loses its tension. A special spring installation tool greatly simpliﬁ es this procedure is available from the factory. (Henny Penny part number 21642)

1. Pull out on retaining pin knob on the front of the cross bar to release lid cover. (Refer to lid cover removal instructions.)

2. Lift the cross bar up and away from the lid.

3. Remove the tru-arc locks and hinge pin if spring is broken. If the spring is not broken, use spring tool as described in steps 5, 6, and 7, then remove Tru-Arc lock and hinge pin.

4. Remove the broken spring.

5. The new spring is placed in loading tool so the spring coil is laying in the u-shaped center of tool. The perpendicular shaft is placed in stationary hook of the tool, and the parallel

Step 5

305 2-37

shaft is placed so the adjustable hook will tighten it down.

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

Step 6

Lid Hinge Spring (Continued)

6. Tighten the handle on the tool as far as it will go.

7. Place the spring (loaded in the tool) into position so that the u-shaped center of tool is toward the front of the fryer and the tool handle is toward the top of the fryer.

Step 7

8. Replace hinge pin and Tru-Arc locks. Loosen and remove the tool.

9. Refer to the lid installation procedure and reinstall the lid.

2-38 906

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

Latch Spring Installation

The latch on the crossbar must have the external coil-type latch spring mounted on the latch pin. If a latch spring is weak or broken, it must be replaced with a new spring, part number 33480.

To avoid severe burns and injuries make sure the lid is

secure during a cook cycle. The latch spring must be in

good working order and properly installed. (Refer to illustrations at left.) If the latch spring is weak, broken, or mounted backwards, it will provide little force against the latch.

1. Replace the crossbar from the lid. (Refer to previous steps on Lid Cover Removal.)

2. With the crossbar in the upright position, remove one of the two Tru-Arc rings from latch pin.

3. Tap out pin from latch while grasping latch, and remove latch and latch spring.

4. Install new latch spring with the coils of spring extending forward. (Refer to illustrations at left.)

5. Secure spring in place with Tru-Arc ring.

305 2-39

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

Lid Liner

1. Remove the four lid liner screws.

2. Use a thin blade screwdriver to pry lid liner from the cover.

3. Clean the liner and the inside of the cover. Replace the liner and screws.

Reversing the Lid Gasket

The gray rubber gasket surrounding the inside of lid is designed to be reversed. Henny Penny recommends that this be done on a quarterly basis.

Purpose

Because of heat expansion and the pressure used for the cooking process, the gasket is constantly under extreme stress. Reversing the lid gasket on a quarterly basis will help to assure that the fryer will not lose pressure through leakage.

2-40 305

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

Step 1

Reversing the Lid Gasket (Continued)

1. There are two lid liner screws on either side of the lid cover.

Back these four screws out about 1/2 inch.

Step 2

2. Open lid and, using a thin blade screwdriver, pry out the gasket at the corners. Remove the gasket.

3. Clean the gasket and gasket seat with hot water and cleaning detergent. Rinse with clean hot water.

4. Install the gasket with the good side facing out. Tighten the four screws.

305 2-41

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

Reversing the Lid Gasket (Continued)

Begin the installation by installing the four corners of the lid gasket.

Lid Limit Stop Adjustment

The lid limit stop, with proper adjustment, prevents unnecessary overtightening of the spindle, and as a result, extends the life of the lid gasket.

Step 1

Step 2

1. Loosen the Allen set screws on the bottom of the collar of the limit stop assembly.

2. Turn the inner collar of the limit stop clockwise as far as possible. Find small hole in the inner collar and use a small Allen wrench or Phillips head to help in turning the collar.

3. Close lid and turn spindle until lid gasket meets top of the frypot rim.

4. From this position, turn spindle at least 3/4 of a turn, but not over one full turn.

5. After rotating spindle to this point, slightly extend spindle past this position. The spindle should then be at the seven o’clock position.

The seven o’clock position is only to allow slight additional turning of the spindle to relieve any side pressure that could hold the locking pin in the locking collar after all pressure has been released from the frypot.

2-42 305

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

Lid Limit Stop Adjustment (Continued)

It may be necessary to remove knobs and change their position in order to align the red knob with the red knob on the lid cover lid latch. When in the normal operating position, both red knobs should be aligned.

6. Adjust the limit stop by turning it counterclockwise until it stops against the bottom hub of the spindle.

7. Tighten Allen set screws.

8. If the lid cover fails to seal properly, steam will escape around the gasket during the frying operation. The limit stop should be readjusted. This time turn the spindle screw one full turn after the initial contact of the lid gasket against top of the frypot rim.

Spindle Screw Assembly

This assembly is used to tighten the lid cover against the frypot ﬂ ange.

Step 3

Step 4

1. Loosen the set screw in the limit stop collar and loosen the limit stop.

2. Disengage the crossbar from the lid cover as described in the “Lid Cover Removal”. Leave the lid cover in position on the frypot rim with the crossbar in the upright position.

3. Turn the spindle so the pin in the locking collar will be exposed.

4. Remove pin and locking collar. Use a small diameter punch and a hammer to drive out the pin from the locking collar. Remove the locking collar.

305 2-43

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

5. Remove the ball from the locking collar. This may be accomplished by lightly tapping steel ball with a hammer.

Step 5

6. Remove and inspect the idle nut.

Step 6

Step 7

7. Thread the spindle out of the acme nut.

8. Loosen the Allen set screw in the outer ring of limit stop. Thread the inside portion up and down several times to check for ease of operation. If thread feels tight or must be forced, threads may be damaged. Discard and replace with new limit stop assembly.

Step 8

2-44 305

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

The acme nut must be changed when there is excessive play and movement between the spindle and the acme nut.

9. Using a nylon tape type wrench unthread the limit stop collar from the acme nut.

Step 9

Step 10

Step 11

10. Gently tap the acme nut from the center crossbar. Inspect the acme nut for thread damage. If the threads are thin and sharp or worn, replace with a new acme nut.

11. Use an Allen wrench and ratchet to remove the retainer.

Step 11

305 2-45

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

12. Remove the locking pin and spring. Inspect and replace if necessary.

Step 12

Step 13

When reinstalling the locking pin, be certain it is put back in its original position. The angled side of the pin should be to the right.

13. Use a magnet to remove the ball seat. Inspect and replace if necessary.

Step 13

14. Install the acme nut and limit stop collar. Lubricate the acme nut with a special grease (product number 12124).

15. Thread the limit stop assembly into the limit stop collar.

16. Lubricate the spindle with special grease (product number

12124) every 30 days.

Step 16

2-46 305

Model 500/600

2-14. PRESSURE

REGULATION/ EXHAUST (Continued)

2-15. FILTERING SYSTEM

17. Slip spindle through limit stop, hold idle nut against acme nut, and thread spindle through both. There should be 20 to 60 thousandths between acme nut and idle nut. To increase dimension, turn idle nut counterclockwise; to decrease turn clockwise.

18. Install the locking collar, locking pin and ball. Install the ball seat in the lid. Install the retainer and spring.

19. Reassemble the crossbar to the lid cover according to the “Lid Cover Installation” procedure.

20. Readjust the lid limit stop during the test cook cycle.

Filter Rinse Hose

The ﬁ ltering system consists of the ﬁ lter valve, motor and ﬁ lter pump assembly, ﬁ lter screen assembly, and tubing.

SHORTENING WITH TEMPERATURE IN EXCESS OF 200ºF FLOWS THROUGH THIS FILTER RINSE HOSE. HEAT CAUSES THE RUBBER HOSE TO AGE AND DETERIORATE. SEVERE BURNS WILL RESULT IF THIS RINSE HOSE ASSEMBLY LEAKS OR RUPTURES. THE HOSE AND FITTINGS SHOULD BE CHECKED DAILY. IF AGING OR DISCOLORATION IS SEEN, THE HOSE SHOULD NOT BE USED.

Removal

1. Close the ﬁ lter valve.

2. Turn the pump switch to the OFF position.

3. Detach the hose.

Step 3

THE HOSE AND FITTING WILL BE HOT. USE

PROTECTIVE GLOVES OR CLOTH WHEN FOL LOWING THIS PROCEDURE, OR SEVERE BURNS COULD RESULT.

This hose is not connected to fryer during normal operation.

305 2-47

Model 500/600

2-15. FILTERING SYSTEM

(Continued)

Installation

1. Attach the ﬁ lter rinse hose with its quick disconnect female ﬁ tting to the other half male ﬁ tting inside the door, next to the ﬁ lter valve handle.

2. To do this slide back the spring ring on the female end of the quick disconnect ﬁ tting and let it snap into place over the other half male ﬁ tting.

3. With a quick tug on the hose, insure the quick disconnect is locked into position.

Step 1

Filter Valve Description

The ﬁ lter valve is a 3/8 inch two-way stainless steel ball valve. If this valve should develop leaks the entire valve must be replaced.

To avoid electrical shock or property damage, move the power switch to “OFF” and disconnect main circuit breaker, or unplug cord at wall receptacle.

Removal

1. Drain the shortening from the frypot.

2. Remove the ﬁ lter drain pan from the fryer.

3. Remove the cotter pin, handle, and extension rod.

4. Remove the pipe from between the ﬁ lter pump and valve.

If fryer is equipped with optional ﬁ lter rinse hose attach- ment, disconnect pipe from ﬁ lter valve.

5. Use an adjustable wrench and remove the valve.

6. Replace the valve and reassemble in reverse order.

2-48 305

Model 500/600

2-15. FILTERING SYSTEM

(Continued)

Filter Pump Repair

The two most common causes for a fryer’s inability to pump shortening is that the pump is clogged with breading or solid shortening has cooled and solidiﬁ ed in the lines and pump.

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

Cover Removal

Step 1

Step 2

1. Loosen the four Allen head screws on the end of pump

and remove the cover.

2. The inside is now exposed leaving a rotor and ﬁ ve teﬂ on

rollers. Clean the rotor and rollers.

3. To reassemble, place rotor on drive shaft, and place roller

into rotor.

A small amount of grease might be needed to hold the bottom roller into place until cover plate is put on. Make sure O-ring is in proper position on plate.

305 2-49

Model 500/600

2-15. FILTERING SYSTEM

(Continued)

Pump Removal

1. If the pump needs to be replaced, loosen one inch nuts from the outﬂ ow and inﬂ ow lines. Then remove the two bolts holding the pump to the motor with a 1/2 inch wrench.

2. The shaft seal should remain on motor shaft, or if leaking, could be replaced at this time.

Step 1

3. To replace the pump, remove the four Allen screws, front plate, rotor, and rollers from pump. Place the pump onto shaft and against the shaft seal. Place the two 1/2 inch bolts through the pump and into the motor and tighten. Then replace rotor, rollers, front plate and tighten Allen screws.

Step 2

When removing a pump from a motor, note the positions of the inlet and outlet parts. Installation of the pump on the motor in any other position could cause damage to the fryer. There is an indicator on the side of the two halves of the pump, this mark must be together and face to the front of the fryer.

2-50 305

Model 500/600

2-15. FILTERING SYSTEM

(Continued)

Pump Removal (Continued)

4. To replace the pump and motor assembly, insure the main power has been removed from the fryer.

To avoid electrical shock or property damage, move the power switch to OFF and disconnect main circuit breaker, or unplug cord at wall receptacle.

5. Remove the cover from the junction box and remove the wire nuts attaching wires leading into the ﬂ exible conduit going to the motor.

6. Loosen the two screws securing the ﬂ exible conduit to the 90º conduit connector (8). (Refer to Figure 3-25.)

7. Remove tubing to the pump. (Refer to Figures 3-21 and 3-24.)

8. Remove hardware attaching the motor to the motor base bracket and remove motor and pump assembly.

Filter Pump Motor Protector - Manual Reset

The ﬁ lter pump motor is equipped with a manual reset button in the event the motor’s thermal protector actuates. This reset button is located on the rear of the motor. Wait approximately 5 minutes before attempting to reset this protector device.

To prevent burns caused by splashing shortening, the unit’s main power switch must be in the OFF position before resetting the ﬁ lter pump motor’s manual reset protection device.

305 2-51

Model 500/600

2-16. GAS CONVERSION Gas model fryers are factory available for either natural gas or

propane gas. Factory conversion kits for natural gas and propane gas are available that require the burner jets, pilot jet and regulator assembly to be changed.

Refer to the Technical Manual illustrated parts breakdown for kit identiﬁ cation.

Conversion must be accomplished by an authorized

Henny Penny dealer or service representative, or personal injury could result.

Service Hints

On natural gas installation, the gas pressure regulator on the automatic gas control valve is factory set at 3.5 inch water column.

On propane gas installations, the gas pressure regulator on the automatic gas control valve is factory set at 10.0 inch water column.

After converting the fryer, turn on the gas supply and check for leaks. A simple method is to brush all the connections with soapy water, and watch for bubbles which indicate escaping gas.

NEVER USE AN OPEN FLAME TO TEST FOR LEAKS. ESCAPING GAS COULD CAUSE AN EXPLOSION, AND PERSONAL INJURY OR PROPERTY DAMAGE COULD RESULT.

2-52 305

Model 500/600

505 2-53

Model 500/600

2-54 505

Henny Penny CFA-600 Operators Manual

Specifications and Main Features

Frequently Asked Questions

User Manual