Henny Penny 520 User manual

Henny Penny Model 520

SECTION3.OPERATION

3-1. OPERATINGCONTROLS

Item Description Function

1 MainPowerSwitch Athreewayrockerswitch withacenter offposition. Pressing

withBuilt-InIndicator the left side of the rocker switch(COOKposition)operatesthe

Lights fryer,andtheamberlightilluminates. Nolightisvisiblewhen

theswitch isinthe OFF position. To filter, presstheright side

ofthe rocker switch (PUMP position)tooperatethe pump

motor,andtheredlightilluminates.

2 SingleStage An electromechanicaldeviceusedto regulatetemperature.

Thermostat To setthe desiredcookingtemperature, turn thethermostat

knobclockwise.

3 TemperatureLight Illuminateswhentheshorteningtemperatureisbelowthe

set-pointtemperature. Thelightgoesoff whenthe shortening

reachesthe set-point temperature.

4 Timer An electromechanicaldevicethat controlsthelengthofthe

cookingcycle.Thetimer controlsthe operationofthesolenoid

valveandautomaticallyresets atthe endofthecookingtime.

Setthedesiredcooking timeby turningthe grayknobclockwise

untilthearrowpointsatthe desiredcooking time.Pushing on

thered button,activatesthe timing cycleand closes thesole-

noid. Theredarrow times down to zero (0), while the black

arrowremainsatthepreset time. When the red arrow reaches

zero(0), it automatically goes backtothepreset time. Also, the

solenoidopens,releasingthe pressureinside thefrypot.

A. Setgray knob to desired time.

B. Push redbutton tostarttiming cycleandbuild pressure.

C. Whenred arrow reaches zero (0), it resets to presettime

andpressure is released.

5 Endof CookingCycle A. Thetimer buzzersounds,the solenoidvalve opensto

releasepressure, and the timer resets.

B. Move thetimerswitch to theOFFposition.

6 DeadWeightValve Maintainsaconstant levelof steampressure withinthe frypot.

Assembly Excessivesteam pressureis ventedthroughthe exhauststack.

NOTE

Removethe dead weight cap,andcleanthe cap, weight,

andorifice oncea day toprevent over-pressurizationinside

the frypot. See section 5-16.

402 3-1

Henny Penny Model 520

Item Description Function

7 SafetyReliefValve Thesafetyreliefvalve is set at 14.5 PSI (99.9 KPa). In the

eventthat thedeadweight valvebecomes clogged, thesafety

valvereleases excessive pressure,keeping the frypotata

maximumof 14.5 PSI(99.9KPa).If this occurs,turnthe main

powerswitch to the OFF positiontoreleaseall pressure from

thefrypot. Also, cleanthedead weightvalveat thistime.

DONOTpulltheSafety ReliefValveRing, orsevereburns

willresult.

8 PressureGauge Indicatesnominalpressurewithinthefrypot.Thisgaugeisnot

usedto calibrate thedead weight assembly. Operatingpressure

ofthe dead weightassemblyis preset atthefactory .The gauge

isusedasan indicationof pressurebuild upwithin thefrypot.

9 SolenoidValve An electromechanical devicethatcauses pressuretobe heldin

thefrypot.Thesolenoidvalveclosesatthebeginningofthe

cookingcycle andautomatically opensatthe endofthe cooking

cycle.

10 DrainValve Atwowayball valve,normallyin theCLOSED position.To

openthedrain,pull thehandle slowlyoutward, awayfromthe

fryer.Thisreleasestheoilfromthefrypot intothefilterdrain

pan. Pushitbackin to close the valve.

DONOT openthedrain valve whilefrypotis under

pressure. Hotshorteningexhaustsfromthis valve.

Severeburnswillresult.

11 DrainInterlockSwitch Amicroswitchthatprovides protectionfor thefrypotin casethe

operatordrainsshorteningfromthefrypot whilethemain

switchis inthePOWER position. Theswitchis designedto

automaticallyremovepowerfromtheheatingelementswhen

thedrainvalveis open.

12 FilterValve A two wayball valvewhichoperatesin conjunctionwiththe

filteringsystem. With thehandleintheopenposition(handle

facingverticalbyturningitcounterclockwise)andthemain

powerswitchinthe PUMPposition, thisvalvedirectsthe

filteredshortening fromthedrain pan backtothe frypot. To

closethefilter valve,turnitclockwiseto thehorizontal position.

3-2 402

520

High Temperature

Control

Lid/Locking Assembly

Condensate Drain Pan

Fun~tio~

The high temperature thermostat is a manual reset control

which sensesthe temperature of the shortening. If the shorten-

ing temperature exceedsthe safe operating limit, this control

will remove power from the contactors, thus removing heat

to the cook pot. When the temperature of the shortening drops

to preset safe operating limit, the control must be manually

reset. The reset button is located on the upper surface of the

recess in the front panel below the regulating thermostat.

Before pressure will build in the cookpot, the lid must be closed

and locked. To close the lid, push the lid down with one hand

by using the plastic handle on top of the lid. While holding the

lid closed with one hand,. turn the handle on the latch

counterclockwise 160o(until it contacts the stop) to lock the lid.

DO NOT place your free hand on top of the lid during

the latching procedure. The surface may be hot and

burns could result.

The lid will not latch or pressure build unlessthe handle is fully

latched. As pressure builds within the cookpot, the handle will

be locked in place. As long asthe locking assembly is engaged,

it will prevent the handle from being moved clockwise and

opening the lid. The locking assembly disengages when the

internal pressure falls below 1 PSI (6.8 KPa).

The condensate drain pan is located behind the panel, below

the drain and filter valve handles. Remove the panel and the

condensate pan is located on the left. It can be easily removed

by grasping the handle and pulling out carefully. The conden-

sation pan should be emptied daily.

3-3

Henny Penny Model 520

Item 6 Item 7

Item 9 Item 10

Item 11 Item 12

Item 9

3-4 101

The first step in the use of the Henny Penny Model 520 is to

learn the controls. Next, determine the time and temperature

settings. The following will assist you in determining these

settings but are approximate and will vary with the size and

quantity of the raw product.

Chicken - 9 piece fresh; 1 head, 2 l/2 - 2 3/4 lbs. (1.13 kg -

1.24 kg)

1 head

2 head

Max Load 8 lbs.

(3.62 kg)

325°F (163°C)

325“F (163“C)

11 minutes

12 minutes

13 minutes

Chicken - 9 piece frozen; 1 head 2 3/4 lbs. (1.24 kg)

tit T

etti

1 head 325“F (163“C) 17 l/2 minutes

2 head 325“F (163“6) 18 minutes

Max Load 8 lbs. 325“F (163“C) 19 minutes

(3.62 kg) ,’

del

The following procedures should be followed in the initial

start-up of the fryer and each time the fryer is brought from

a cold or shut down condition back into operation.

1. Check to see that all control switches are turned OFF.

2. Be sure that the drain valve and filter valve are closed.

3. Remove the wire basket from the cook pot and leave the

lid open.

4. Fill the cook pot with shortening to level indicated. The

level indication isthe maximum shortening level when hot.

5. Connect the power to the fryer.

6. Move the main power switch to the COOK position.

7. Turn the thermostat knob to the desired cooking

temperature. The temperature light will go on.

8. When the shortening has reached the desired cook

temperature, the temperature indicating light will be off.

9. Thoroughly stir the shortening to stabilize’the temperature

throughout. Make sure that the shortening at the bottom

of the pot is agitated and evenly heated.

10. After the shortening temperature has stabilized for a

minimum of 30minutes, checkthe shortening temperature

using a good deep fat thermometer (Henny Penny part

no. 121006).

11. Lower the empty basket into the cook pot (food will be

added later).

12. Select the desired cooking time. You are ready to start

cooking.

NOTE: The overall operation of the 520 Fryer is no

different than our present Model 500 or Model

600 Pressure Fryers.

1. It is recommended that ahigh quality liquid frying shorten-

ing beusedin the pressure fryer. Somelow grade shorten-

ings have a high moisture content and will causefoaming

and boiling over.

2. If a solid shortening is used, it must be melted to a liquid

first, then poured into the frypot. Attempting to melt a “I

shortening in the frypot may causeburning or scorching ‘+I

of the fresh shortening.

el 520

Step 3

3-5. COOKING

Gloves should be worn and care must be taken when

pouring hot shortening into the unit. Severeburns could

result. Also, when adding fresh shortening to existing

shortening, care must be taken to avoid splashing.

3. Cold shortening should be filled approximately 112inch

below the bottom level of the level indicator line. The

shortening will expand when heated.

1. Before dropping the product into the basket, make certain

that the shortening is at the correct cooking temperature

for the type of product. Also, check that the temperature

light is OFF. Oncethe product hasbeen prepared, you are

ready to cook. Place the basket in the cook pot a few

seconds before placing the product in the basket.

2. Place the product into the submerged basket by first

dropping in the larger pieces. This gives the larger and

more difficult pieces a few .extra seconds to cook in the

shortening. Continue to place the remaining product in

the basket.

3. Lift the basket slightly out of the shortening and shake

it, causing the pieces to separate. Return the basket to

the shortening. Doing this will prevent white spots on the

finished product.

4. Remove the basket handle and closethe lid quickly. Latch

the lid as previously described.

5. Activate the time as previously described. Within a few

minutes, the pressure gauge will increase to the operating

zone.

6. At the end of the cooking cycle,the fryer will automatically

depressurize. Also the timer light will go off and the timer

will automatically reset.

7. After the pressure drops to 0, open the lid latch assembly

by turning the handle clockwise 160O.

Henny Penny Model 520

3-5. COOKINGPROCEDURES 8. Raise thelidpromptlytoallowmostof thecondensation

(Continued) onthe lidtodrain downand outthroughthe drainchannel.

Donot let thelidslam up against thebackstop. This could

damagethehingeassembly.Thiswillalsoallowcondensationto

dropback intotheshortening.

NOTE:Thecondensation opening behind the pot needs to be

keptclear of obstructions. Failuretodoso will cause the

moistureto back up onto the countertop.

9. Insert the handleintothe basket, liftthebasket out of the

shortening,and hang it on thesideofthe cook pot to drain.

Allowthe product todrainapproximately 15 secondsbefore

placingitintothetray.

10. Thefryerwill automaticallyrecover tothepresetcooking

temperature. Oncethe thermostatindicator light goesout, you

canbeginthe nextcook cycle. Iffiltering ofshorteningis

desiredat this time,referto thenextsection.

NOTE: Whennoadditionalcookingisintendedwithin30minutes

ofthe previous cookcycle,it is recommended to reduce

theshorteningtemperature(byturningthethermostat

knobcounterclockwise) to 275oF(135oC).

Fourproduct controls,usethe “C” (up anddown)

buttonsandselectIdle. Thecontrolswillautomatically

reduce the temperature to 250oF (121oC).

3-6.FILTERINGTHE Cooking breadedproductsrequires frequentfilteringto keep

SHORTENING theshorteningclean.Theshorteningshouldbefilteredafter

everythree to six cooking cycles.Forthebest quality product, do

notexceedsix cookcycleswithoutfiltering.

1. Turnthethermostatand the mainpowerswitch to the OFF

position.Remove and clean thefrybasketin soap and water.

Rinsethoroughly.

NOTE:Forbestresults, filtershorteningatnormalcooking

temperature.

2. Usea metalspatula toscrapebuildup fromsides ofthe frypot.

Whenusing thepotscraper, donotdamage thecapillaryline on

thethermostat, or thehigh limit control. Also,donot scrape the

heatingelements,ordamageto elementscould result.

3-8 600

el 520

The filter pan must be in the proper position beneath

the drain valve. This will prevent the splashing of the

hot shortening as it drains into the filter drain pan

which would cause burns.

3. Open the drain valve by pulling it forward slowly. This

will prevent excessive splashing of the hot shortening as

it drains into the filter drain pan.

4. As the shortening drains from the fry pot, use bushes

(Henny Penny part no. 12105)to scrapeand cleanthe sides

of the fry pot and the heating elements. If the drain fills

with breading, use the white brush to push the breading

into the filter pan.

5. When all of the shortening has drained, scrape or brush

the sides and the bottom of the cook pot.

6. Rinse the cook pot as follows:

A. Close the drain valve by pushing the handle inward.

B. Open the filter valve by turning the handle counter-

clockwise.

Hold the lid closed so that the very first surge of the

shortening will not splashup or over the top of the cook

pot’. Severe burns will result.

C. Move the main power switch to the PUMP position.

Carefully open the lid to see if shortening is return-

ing properly. Fill cook pot l/3 full, then turn off the

mum. ..

If there are air bubbles coming up in the shortening,

it ispossiblethat the filter connecting union onthe filter

tube line is not tightened properly. If so, turn off the

pump and use gloves to tighten the union. *Thisunion

will be hot and severe burns will result.

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