Vulcan Hart VECTS16 Service Manual

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SERVICE MANUAL

ROUND COUNTER TOP

TILTING BRAISING PANS

(16 GALLON)

GAS AND ELECTRIC

VGCTS16 ML-114827

VECTS16 ML-114825

VGCTS16 SHOWN ON STAND

This Manual is prepared for th e use of trained Vulcan Service Technicians and should not be used by those not properly qu alifi ed. If yo u have attend ed a Vulcan Service School for this product, you may be qualified to perform all the procedures described in this man ual.

This manual is not intended to be all encompassing. If you have not attended a Vulcan Service School for this produc t, y ou should read, in its entirety, th e repair procedure you wish to perform to determine if you have the necessary tools, instruments a nd s k ills required to perfo rm t he procedure. Procedures for which you do not have th e n ecessary tools, instruments and skills should be performed b y a t rained Vul can Service Technician.

Reproduction or other use of this Manual, without the express written consent of Vulcan, is prohibited.

- NOTICE -

A product of

Form 24643 (MARCH 1999)

VULCAN-HART LOUISVILLE , KY 40201-0696

ROUND TILTING BRAISI NG PANS

TABLE OF CONTENTS

GENERAL............................................................................. 3

Introduction ........................................................................ 3

Model Desi

Control Locat ion ................................................................. 3

Specifications ...................................................................... 4

Electric Braisin Gas Braisin

Tools ............................................................................. 4

REMOVAL AND REPLACEMENT OF PARTS ................................................. 5

Illustr ation - Elec tric Model ............................................................. 5

Illustr ation - Gas Model ............................................................... 6

Thermostat s (Electric M odel) ........................................................... 7

ht and Left Consol e Cover .......................................................... 8

Bottom Cover ...................................................................... 8

Temperat ur e Controller and P otentiom eter

(Gas Model) .................................................................... 8

Hi Limit Thermostat (Gas Model ) ........................................................ 8

Heater Contactor s ................................................................... 9

Heatin

Pan Assembly ..................................................................... 10

Bearin

Limit Switch (G as Model) ............................................................ 11

Elements ................................................................... 9

s ......................................................................... 11

nations .............................................................. 3

Pan ............................................................. 4

Pan ................................................................ 4

SERVICE PROCEDURES AND ADJUSTMENTS .............................................. 12

Manif old Pressure Adjustment (Gas Model) ............................................... 12

Flam e S ense Probe ( Gas Model) ....................................................... 13

Hot Surf ac e I

(Gas Model) ................................................................... 14

Temperat ur e Controller A nd P otentiom eter Test

(Gas Model) ................................................................... 14

Heatin

(Electr ic Model) ................................................................ 15

ELECTRICAL OPERATION .............................................................. 16

Component Func tion ................................................................ 16

Sequence of O per ation .............................................................. 16

Electric Model ................................................................. 16

Gas Model .................................................................... 17

Schematic Dia

Electric Model ................................................................. 18

Gas Model .................................................................... 19

Diagrams ................................................................... 20

Wi ri n

Electric Model (208/ 240V ) ........................................................ 20

Electric Model (480V) ............................................................ 21

Gas Model .................................................................... 22

TROUBLESHOOTING .................................................................. 23

All Models ........................................................................ 23

Gas Models Only ................................................................... 24

nitor

Elements

rams ................................................................ 18

Page 2 of 24

ROUND TILTING BRAISI NG PANS - GENERA L

GENERAL

INTRODUCTION

The Vulcan round tilting braising pan (skillet) is a versatile piece of cooking equipment . It can be used to stew, simm er , sear, pan fry, is ful ly cooked, the pan c an be tilted usi n pan is 16

Model Designations

X C T S 16

allons (60.6 liters) and can be mounted on a counter top or optional stand.

rill or saute food products under an evenly distributed heating surface. O nc e the product

the handle to empty the product from the pan. The full capac ity of the

16 Gallon Capac ity Skillet

Tiltin Counter Top Heatin

G - Gas E - Electric

Vulcan

System:

Control Location

Gas Model Shown

Page 3 of 24

ROUND TILTING BRAISI NG PANS - GENERA L

SPECIFICATIONS

Electric Braising Pan

AMPERAGE

1 PHASE 3 PHASE

MODEL

VECTS 16 7.5 36 31.3 20.8 18.1 9.0

Gas Braising Pan

TOTAL

208V 240V 208V 240V 480V

INPUT

BTU/HR

MODEL NAT. PROP. NAT. PROP. RECOMMEND MIN RECOMMEND MIN MAX

VGCTS16 30,000 30,000 3.5 10.0 7.0 5.0 11.0 11.0 14.0 180

MANIFOLD

PRESSURE

(INCHES W.C.)

NATURAL PROPANE

LINE PRESSURE

(INCHES W.C.)

LOAD (WATTS)

TOOLS

Standard



Standard set of hand tools.



VOM with an AC cur r ent tester (meter sensitivity shoul d be at least 20,000 ohm s per volt c an be used).



Gas leak checkin



Manometer



Temperat ur e meter (ther mocouple ty pe)

equipment .

AMPS (MAX)

120V 60HZ

1.5

Page 4 of 24

ROUND TILTING BRAISING PANS - REMOVAL AND REPLACEMENT OF PART S

REMOVAL AND REPLACEMENT OF PARTS

Refer to the appropriate illustration for component location and identity. Only major com ponents are covered by a replacem ent procedure.

ILLUSTRATION - ELECTRIC MODEL

Page 5 of 24

ROUND TILTING BRAISING PANS - REMOVAL AND REPLACEMENT OF PART S

ILLUSTRATION - GAS MODEL

Page 6 of 24

ROUND TILTING BRAISING PANS - REMOVAL AND REPLACEMENT OF PART S

THERMOSTATS

(Electric Model)

WARNING:

POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

1. Remove ri “RIGHT AND LE FT CONSOLE COVER”.

A. If replacin

B. If replacin

2. Remove component mountin access to the operatin nut from threaded stud.

DISCONNECT THE ELECTRICAL

ht console cover as outli ned under

operating thermostat pr oc eed

to step 2.

Hi Limit thermostat proceed to

step 4.

plate to gain

thermostat by r emov in

B. Disconnect heater lead wires and mark

accordin

C. Remove the two nuts from mounting stud

that secure the i nsul ation pan to the bottom of the brai si n

ly f or pr oper r eplacement.

pan.

A. Grasp plate and pul l upwards while

rotatin fastener.

3. Pull thermostat knob off from the control panel and remove mountin

A. Lift thermostat out of contr ol box. B. Remove lead wires fr om term inals.

4. Remove therm ostat bulb fr om the bottom of the pan for the thermostat bein

left to right to f r ee it fr om bottom

screws and bezel ring.

replaced.

D. Pull the heater lead wires back throu

openin the insulation pan to be li fted out.

E. Remove the nuts from the capillary clamp

that secure both ther mostat bulbs to t he bottom of the brai si n

F. Pull the capillary tube and bulb for the

thermostat bein the openin unit.

5. Rever se procedur e to install a new thermostat and check for pr oper oper ation.

in bearing to allow cl ear anc e for

pan.

replaced, back through

in bearing and remove from

h the

A. Remove bottom c over as outl ined under

“BOTTOM COVER”.

Page 7 of 24

ROUND TILTING BRAISING PANS - REMOVAL AND REPLACEMENT OF PART S

RIGHT AND LEFT

CONSOLE COVER

WARNING:

POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

1. Remove screw at the rear of the cover.

2. Lif t up on cover while workin to free it at the front.

3. Rever se procedur e to install .

DISCONNECT THE ELECTRICAL

it back and forth

BOTTOM COVER

WARNING:

POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

DISCONNECT THE ELECTRICAL

6. Disconnect the lead wires from the temper ature controller board.

7. Remove the mountin

8. Rever se procedur e to install a new temperature controller and check f or pr oper oper ation.

screws.

HI LIMIT THERMOSTAT

(Gas Model)

WARNING:

POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

WARNING:

BEFORE SERVICING THE UNIT.

1. Remove the bottom cover as outlined under “BOTTOM COVER”.

2. Remove the screws securin box to the under si de of the pan and lift off.

DISCONNECT THE ELECTRICAL

SHUT OFF THE GAS SUPPLY

the heat shield

1. Til t braisin on the stop bar.

2. Remove screw(s) holdin

3. Rever se procedur e to install .

pan forward unti l it comes to rest

the round cover.

TEMPERATURE CONTROLLER

AND POTENT IOMETER

(GAS MODEL)

WARNING:

POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

WARNING:

BEFORE SERVICING THE UNIT.

1. Remove ri “RIGHT AND LE FT CONSOLE COVER”.

2. Pull out the ri the compartment cont r ols.

DISCONNECT THE ELECTRICAL

SHUT OFF THE GAS SUPPLY

ht console cover as outli ned under

ht side access panel to expose

3. Disconnect the lead wires from the hi

h limit.

3. Loosen the two set screws from the temperat ur e dial and pull the dial off.

4. Remove the bezel r in mounti n

5. Remove the nut securi n the mountin

screws.

bracket.

and potentiometer

the potenti ometer to

Page 8 of 24

ROUND TILTING BRAISING PANS - REMOVAL AND REPLACEMENT OF PART S

4. Remove the screws securing the high limit to the underside of the pan.

5. Rever se procedur e to install a new hi limit and check unit for proper operat ion.

HEATER CONTACTORS

WARNING:

POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

1. Remove ri “RIGHT AND LE FT CONSOLE COVER”.

2. Remove component mountin access to contactors by removin threaded stud.

DISCONNECT THE ELECTRICAL

ht console cover as outli ned under

plate to gain

nut from

HEATING ELEMENTS

WARNING:

POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

1. Remove bottom cover as outlined under “BOTTOM COVER”.

2. Disconnect heater lead wires and mark accordin

DISCONNECT THE ELECTRICAL

ly f or pr oper r eplacement.

A. Grasp plate and pul l upwards while

rotatin fastener.

3. Remove lead wires f r om contactor bein replaced.

4. Remove contactor mountin

5. Rever se procedur e to install a new contac tor and check for pr oper oper ation.

left to right to f r ee it fr om bottom

screws.

3. Remove the two nuts fr om mountin secure the insulation pan to the bott om of t he braisin

4. Push the heater lead wir es back throu openin insulati on pan to be lifted out.

5. Remove the nuts securin to the braisi n bein

pan. in bearing to allow cl ear anc e for the

the elem ent clamp

pan bottom for the el ement

replaced.

stud that

h the

6. Replace with a new element and reverse procedure to install.

Page 9 of 24

ROUND TILTING BRAISING PANS - REMOVAL AND REPLACEMENT OF PART S

g g

PAN ASSEMBLY

WARNING:

POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

1. Remove ri outlined under “ RIGHT AND LEFT CONSOLE COVER”.

2. Remove bottom cover as outlined under “BOTTOM COVER”.

3. Electr ic model only - for step 4.

A. Remove the heater l ead wir es and heatin

B. Proceed to step 5.

4. Gas model only.

WARNING:

BEFORE SERVICING THE UNIT.

WARNING:

DURING SERVI CING MUST BE CHE CK E D FOR LEAKS. CHECK WITH A SOAP AND WATER SOLUTION (BUBBLES). DO NOT USE AN OPEN FLAME.

DISCONNECT THE ELECTRICAL

ht and left console cover as

as model proceed t o

element s as outl ined under “HEATI NG ELEMENTS”.

SHUT OFF THE GAS SUPPLY

ALL GAS JOINTS DISTURBED

B. Remove those same components from the

underside of pan and set t hem aside for re-installin assembly.

C. Loosen the nut at the top of the burner that

secures the burner to bracket and r emov e. D. Unscrew the E. Separate the brass union j ust below the

as swivel connector and unscrew the threaded end of the connector from the pan sleeve.

F. Loosen the set screw at the top of the

actuator collar and rem ove the collar.

on replacem ent pan

as orifice and remove.

A. Disconnect the component lead wires for

the HSI, F S P , HL AND TC fr om the terminal strip located in the left hand console and pull the insulati on sl eeve and wires throu

h opening in bearing.

G. Disconnect the incomin

Remove the separatin assembly line and removin securin

as line assembly by

the second union in t he gas

the mounting bracket.

as supply line.

the nuts

Page 10 of 24

ROUND TILTING BRAISING PANS - REMOVAL AND REPLACEMENT OF PART S

5. Unbolt the br aising pan from the mountin surface or stand.

6. Lay the braisi n four base plat e mountin

7. Remove the nuts and carria side to separate the base plat e from the ri side support member.

8. Gently str ike the inner si de of the support member by hand or r ubber mallet to dislod the pan assembly sleeve f r om the bearin Before t he sl eeve separates f r om the bearin

rasp the pan for support.

pan on its back to expose the

nuts and bolts.

e bolts on the right

BEARINGS

WARNING: DISCONNECT THE ELECTRICAL

POWER TO T HE MACHINE AT THE MAIN

CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

1. Remove the pan assembly as outlined under “PAN ASSEMBLY”.

2. Remove the bearin support mem ber .

NOTE: CHECK CONDITION OF BEARING ON OPPOSITE SIDE AND REPLACE IF NECESSARY.

3. Replace with a new bearin procedure to install.

to be replaced from t he

and rever se

LIMIT SWITCH (Gas Model)

WARNING: DISCONNECT THE ELECTRICAL POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

9. Grasp the pan f irml y and then pull i t away from the left side bearin

NOTE: CHECK CONDITION OF BOTH BEARINGS WHILE PAN IS OUT AND REPLACE IF NECESSARY.

10. Replace with a new pan and reverse procedure to install.

1. Remove ri “RIGHT AND LE FT CONSOLE COVER”.

2. Pull out the ri the compartment cont r ols.

3. Disconnect the lead wires from the switch.

4. Til t braisin on the stop bar.

5. Remove the screws securin bracket.

6. Rever se procedur e to install and c hec k for proper operation.

ht console cover as outli ned under

ht side access panel to expose

pan forward unti l it comes to rest

the switch to the

Page 11 of 24

ROUND TILTING BRAISI NG PANS - SERVI CE P ROCEDURES AND ADJUST M E NTS

SERVICE PROCEDURES AND ADJUSTMENTS

WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TEST OR

MEASUREMENTS WHILE POWER IS APPLIED TO THE MACHINE. EXERCI SE EXTREME CAUTION AT ALL TIMES. IF TEST POI NTS ARE NOT EASI LY ACCESSIBLE, DISCONNECT POWER, ATTACH TEST EQUIPMENT AND REAPPLY POWER TO TEST.

MANIFOLD PRESSURE

ADJUSTMENT (Gas Model)

WARNING: DISCONNECT THE ELECTRICAL

POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

WARNING: SHUT OFF THE GAS SUPPLY BEFORE SERVICING THE UNIT.

1. Remove the ri outlined under " RIGHT AND LEFT CONSOLE COVER".

2. Pull out the ri the compartment cont r ols.

3. Remove the 1/4" NPT pipe plu manifold and att ac h a manometer .

4. Remove the adjustment screw cap to access the pressure adjustment screw.

ht side console cover as

ht side access panel to expose

from the

6. Aft er the burner li outline below:

A. To increase pressure, turn the screw

clockwise

B. To decrease pressure, turn the screw

countercloc k wise

GAS TYPE MANIFOLD

NATURAL 3.5 7.0 5.0

PROPANE 10.0 11.0 11.0

* If t he incomi ng line pressure is less than the minimum stated, then the manifold pressure can not be set correctly.

7. Once the corr ec t pressure has been set, turn the power switch “OFF”, replace the adjustment screw cap and manifold pipe plu

8. Check unit for proper operat ion.

hts, set the pressure as

PRESSURE READINGS

(INCHES W.C.)

LINE

RECOMMENDED MIN MAX

5. Plu

NOTE: Accurate be made with the

in the unit, turn “on” t he gas, set the power

switch to “on” and set the t her mostat.

as pressure adjustments can only

as “ON” and the burner l it.

Page 12 of 24

ROUND TILTING BRAISI NG PANS - SERVI CE P ROCEDURES AND ADJUST M E NTS

FLAME SENSE PROBE

(Gas Model)

WARNING:

POW E R TO BE APPLIED TO THE UNIT DURING THE TEST. USE EXTREME CAUTION AT ALL TIMES.

1. Assure proper the v alue of i nc omin

A. Check the f lame sense probe mi c r o

THE FOLLOWI NG ST EPS REQUIRE

round, correct polarity and that

voltage is correct.

amp current by di sconnectin probe lead f r om the terminal strip and placin

a V-O-M in series.

the fame sense

2) I f the readi n amps, turn t her mostat and power switch OFF. Check the flame sense probe for cor r osi on or and for l oose or dirty connections on the term inal strips under t he r i left console covers. If F SP is dirty, clean with sandpaper and repeat step 1C. Also, Check the flame sense probe position as outlined below in step two. Lastly, visually inspect the burner flame. If flame appears low or not burnin

as manifold pressure as outlined under “MANIFOLD PRES S URE ADJUSTMENT (GAS MODELS). If pressure is not set correctly then adjust and check for proper operation.

2. Perfor m a v isual check to det er mine if the flame sense probe is in the upper port ion of flame. If the probe is bent or not in the upper portion of the flame then chec k ali adjust as necessary.

A. The center l ine of the pr obe shoul d be

approximately 2 9/16 inches from the underside of t he pan and 4 inches up from the center l ine of the bur ner .

is less than 0.5 micro

rease build up

correctl y , then check the

nment and

ht and

B. Switch the meter leads to measure current

and set the meter to read mic r o amps DC.

C. O pen the

and set thermostat .

D. O bserve meter readin

1) I f the readi n

as valve, t ur n power switch O N

is greater than 0.5 micr o amps DC then the problem is not with the FS P . Replace i control module and check for proper operation.

nition

B. If no adjustments can be m ade to the

probe to correct its ali and check unit for proper operat ion.

nment then r eplace

Page 13 of 24

ROUND TILTING BRAISI NG PANS - SERVI CE P ROCEDURES AND ADJUST M E NTS

HOT SURFACE IGNITOR

(GAS MODEL)

1. Check to see if hot surface ignitor i s operat in during

A. Visual verification - HSI should be heatin

B. Volta

WARNING:

POWER TO T HE MACHINE AT THE MAIN CIRCUIT BO X. P LA CE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED.

ignition trial

up “glowing brightly” to ignite gas.

e verification - check for 24VAC to

HSI termination on the ed

round.

DISCONNECT THE ELECTRICAL

by:

e connector to

TEMPERATURE CONTROLLER

AND POTENT IOMETER TEST

(GAS MODEL)

WARNING:

POW E R TO BE APPLIED TO THE UNIT DURING THE TEST. USE EXTREME CAUTION AT ALL TIMES.

Temperature Controller

1. Assure a proper that the value of incom in

2. Turn the set the therm ostat to call for heat. The braisin pan must also be down to close l imit switch.

3. Verify the temperature controller is receivin power (120VAC) across L1 & L2. Once the relay contac ts close, the temperature li the front control panel will illuminate and the step down transformer r ec eives power.

A. If controller output remains for

B. If t he c ontroller r emains ener

THE FOLLOWI NG ST EPS REQUIRE

round, correct polarity and

voltage is correct.

as supply on, power switch ON and

ht on

approximately 20 seconds then drops off, an open thermocouple condition may exist. Replace the thermocouple and check for pr oper oper ation.

ized but burner does not come on, veri fy the relay contacts (N.O.) are openin when power to the controll er is removed and applied. Chec k volta N.O. and L2.

1) I f relay is functionin

the problem is not with the controller. See Troubleshootin

2) I f relay is not funct ionin

then replace controller and c hec k proper operation.

and closin

e out between

properly then section.

properly

2. Unplu module and chec k r esi stanc e between HSI lead wire and

the edge connector from the ignition

round.

HSI

CONDIT ION

COLD 1 - 4

HOT 8 - 10

RESISTANCE

(approx. Ohms)

Page 14 of 24

ROUND TILTING BRAISI NG PANS - SERVI CE P ROCEDURES AND ADJUST M E NTS

Potenti ometer

Perform the f ollowin potentiometer is functioni n the temper ature settin connected from TC (-) to the wiper (red) on the potentiometer will read a v olta the set point t emperature. E x. If the set point is 300°F the DC volta be approximately 1.49 volts.

1. If the thermocouple condition has not verifi ed as descri bed in step 3A abov e, place a jumper across TC (-) and TC (+). If the thermocouple condition has been veri fied, proceed to step 2.

NOTE: Remov e jumper when test is completed.

2. Connect the bl ac k meter lead of a V-O-M to the TC (-) on the temperature controller.

3. Connect the red meter lead of a V-O-M to the red wire (wiper arm ) on the potentiometer.

4. Turn the power switch on and set the temperat ur e dial to 100°F. Increase set point to 200°F, 300°F , 400°F and 450 °F while monit or in points. Com par e the meter readin chart below.

test procedure to verify the

properly and to c onfirm

of the dial. A V-O-M

e that corresponds to

e measured at the wiper shoul d

been

the v oltage change between dial set

s to the

HEATING ELEMENTS

(ELECTRIC MODEL)

WARNING: THE FOLLOW I NG ST EPS REQUIRE

POW E R TO BE APPLIED TO THE UNIT DURING THE TEST. USE EXTREME CAUTION AT ALL TIMES.

1. Measure the volta terminals and ver ify it a

volta A. If volta

the problem.

2. If volta throu current draw is correct then heatin ok. See table below for proper values.

A. If cur r ent draw is not correct t hen, replace

3. Check for pr oper oper ation.

VOLTAGE

208 7.5 36.1 20.9 17.4

e is correct, check current draw (amps)

h the heating element lead wires. If

heatin

element .

TOTAL

e at the heati ng element

ainst the data plate

e is incorrect, find the source of

element is

AMPERAGE

PER LINE

1 PH 3 PH

OHMS PER

ELEMENT

TEMPERATURE

SETTI NG (°F)

100 0.38 200 0.93 300 1.49 400 2.0 450 2.3

A. If the volta

those listed i n the table and the increase in

e was smooth without drops or

volta spikes then the potentiometer is functionin

B. If the volta

with those listed in the table or the increase in volta with drops or spikes then the potentiometer is not functionin Replace the temperature cont r oller and potentiometer assembly and c hec k unit for proper operation.

properly.

APPROXIMATE

DC VOLTAGE

e measurement s agree with

e measurement s do not agree

e was not smooth but

240 7.5 31.3 18.1 23.1 480 7.5 9.0 30.6

NOTE: V alues in the tabl e ar e nominal. Tolerance is +5/-10 %.

properly.

Page 15 of 24

ROUND TILTING BRAISI NG PANS - ELECTRICAL OPERATION

ELECTRICAL OPERATION

COMPONENT FUNCTION

Heater Contacto rs ........ Controls power to heati n

Heating Elements (3) ..... Heat the braisin

Transformer ............ Provides 24VAC power to i

Ignition Module ......... Controls and moni tors

monit or s flame pr esence t hr ou second i

Temperature Light ....... Indicates the power switch is on and a t emperature settin

when set point temper ature is reached and will come back on when temperature drops below set point.

Ignition Light ........... Indicates

FSP (Fl ame S ense Probe) . . Supplies a current si

flame. (

HSI (Hot Surface Igniter) . . When I

temperat ur es to i

Power Switch ........... Controls electr ical power to the control cir c uit.

Limit Switch ............. Removes electrical power to the temperature control board when the pan is

tilted. (

Gas Solenoid Valve ....... Allows

(

as models only)

High Limit Thermostat .... Will not allow heater contac tor (on electr ic model s) or i

models) to ener

Control Thermostat ....... Cycles power to heat er c ontactors to maintain the set point tem per ature.

(electric model s onl y )

Temperature Controller .... Cycles power to the i

temperat ur e. (

nition trial t ime and powers gas solenoid v alve. (gas models only)

as models only)

nition module applies power, the HSI element heats up to very high

as models only)

as flow to burner when solenoid is energized. A normally c losed val ve.

pan cooking surface. (electric models only)

as burner is on. (gas models only)

nite the gas. (gas models only)

ize if the pan surfac e temperature goes beyond 536°F (280°C).

as models only)

element s. ( electric models only)

nition c ontrol module and HSI. (gas models only)

as heating. Appli es power to HSI for burner ignition,

h FSP, cont r ols 5 second purge tim e and 8.5

dialed. Light goes out

nal back to t he ignition module indicating the presence of a

nition module (on gas

nition c ontrol module to maintain the set point

SEQUENCE OF OPERATION

Electric Mo del

1. Conditi ons. A. Braisin

and is properly B. Power switch OFF. C. Hi D. Cont r ol Thermostat dial OFF. E. Temperat ur e li

2. Power switch turned ON. A. L1 volta

thermostat c ontacts (N.C.) t o one si de of the control thermostat.

B. L3 volta

3. Turn thermostat (potentiometer) dial unti l a call for heat is made.

1) T emperature l i

2) L1 volt a

Pan connected to cor r ec t voltage

rounded.

h limit thermostat contacts closed.

ht OFF.

e supplied through high limit

e to one side of c ontactor coils.

ht comes on.

e is supplied to t he other side of cont ac tor coils. Coils are ener

ized and contacts close.

3) Heat in and the cookin heat up.

4. Control t her mostat reaches set point temperat ur e and c ontacts (N.O.) open. A. Temperat ur e li

B. L1 volta

contactor coils. Coils are de-ener contacts open.

C. Heat in

allowin

5. Control t her mostat temperature drops below set point and contac ts (N.O.) close.

A. Cookin

maintained by the heaters cyclin control t her mostat unti l the thermostat dial is turned to the OFF position or the power switch is turned OFF.

element s are t hen energized

surface begins to

ht goes out.

e is removed fr om one side of

ized and

element s are t hen de- energized

the cooking surface to cool.

surface temperature is

with the

Page 16 of 24

ROUND TILTING BRAISI NG PANS - ELECTRICAL OPERATION

Gas Model

1. Conditions. A. Unit connect ed to correct volta

is correct and is properly

e, polari ty

rounded. B. Power switch OFF. C. G as supply valve is ON. D. Limit switc h c losed (pan down). E. Thermostat (potentiometer) dial OFF ( 0

ohms between wiper arm t er minal ( r ed lead) & one side of the coil (white lead) CW rotation).

F. T emperature cont r oller internal relay

contacts (N.O.) are open. G. Temperat ur e li H. I I. Hi

nition light off.

h limit thermostat contacts (N.C.)

ht off.

closed.

2. Power switch ON. A. Temperat ur e c ontroller r ec eives power

from L1 (120VAC) and NEUTRAL and is

ized through L1 & L2 terminals on

ener controller.

B. L1 (120VAC) to the c ommon side of

internal r elay contacts.

C. NEUTRAL to one side of the temperat ur e

ht and step down transformer (120VAC

li to 24VAC).

3. Turn thermostat (potentiometer) dial unti l a call for heat is made.

3) When burner lights, flame sense probe detects f lame, HSI de-

izes aft er an 8.5 second ignition

ener trial time, open and heatin

4) I f burner flame is not

nition trial t ime elapses, then the

nition c ontrol module locks out

as solenoid v alve stay s

begins.

detected after

power to the gas solenoid v alve. The module remains locked out until the thermostat ( potentiom eter) dial is turned to OFF then back t o a set point temperature or the power switch is turned OFF then back ON a

ain.

5. Temperature controller reaches set point temperat ur e.

A. Internal r elay on temper ature controller is

de-ener B. Temperat ur e li C. Power i s removed from the i

ized and the cont ac ts open.

ht goes out.

nition c ontrol

module.

1) G as solenoid valve closes.

2) Bur ner shuts off. nition light goes out.

3) I

6. Temperature controller drops below set point. A. Cookin

maint ained by the

surface temperature is

as burner cycli ng with the temper ature controller until the potentiometer dial is turned to the OFF position or t he power switch is turned OFF.

A. Internal r elay on temper ature controller is

ized and the (N.O.) contacts close.

ener

B. Power from L1 ( 120V A C) is then supplied

to the other side of the temperature li and the step down transformer (120VAC to 24VAC).

1) T emperature l i

ht comes on and the

step down transformer is ener

4. I

nition module is energized (24VAC) through

the hi A. I

h limit (N.C.) contacts and ground. nition trial cycle begins.

1) Module delays ener second pur residual

e time to allow any

as to dissipate. After purge

tim e elapses, HSI be

izing HSI for a 5

ins a 3 second

heat up time.

2) After HSI heat up tim e elapses, the

as solenoid v alve opens to suppl y as to the hot ignitor and the ignition

ht comes on.

ized.

Page 17 of 24

Electric Mo del

ROUND TILTING BRAISI NG PANS - ELECTRICAL OPERATION

SCHEMATIC DIAGRAMS

Page 18 of 24

Gas Model

ROUND TILTING BRAISI NG PANS - ELECTRICAL OPERATION

Page 19 of 24

ROUND TILTING BRAISI NG PANS - ELECTRICAL OPERATION

Electric Mo del (208/240V)

WIRING DIAGRAMS

Page 20 of 24

Electric Mo del (480V)

ROUND TILTING BRAISI NG PANS - ELECTRICAL OPERATION

Page 21 of 24

Gas Model

ROUND TILTING BRAISI NG PANS - ELECTRICAL OPERATION

Page 22 of 24

ROUND TILTING BRAISI NG PANS - TROUB LE S HOOTING

TROUBLESHOOTING

ALL MODELS

WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TESTS OR

SYMPTOM POSSIBLE CAUSES

Unit will not heat (temperat ur e li

Pan dif ficult to tilt. 1. Dirt in oilite bearin

Cookin

temperat ur e incorrect. 1. Thermoc ouple not secured properly to bottom of pan.

ht off). 1. Check incoming voltage.

2. Control t her mostat not tur ned on or r emains open.

3. Power switch malfuncti on.

4. Hi

5. Heatin

6. Heater contactor(s) malfuncti on ( electric model).

NOTE: Never problems with tiltin lubrication.

2. Thermoc ouple lead wire(s) pulled loose from connecti on or

h limit thermostat open.

element inoperative (elec tric m odel).

UNDER REMOVAL AND REPLACEMENT OF PARTS”.

rease or oil the pivot bearings as this may cause

. Bearings are oilite and never requi r e

dama

ed.

s causing it to bind. See “BEARINGS

Page 23 of 24

ROUND TILTING BRAISI NG PANS - TROUB LE S HOOTING

g g

GAS MODELS ONLY

SYMPTOM POSSIBLE CAUSES

Burner won’t li

Burner won’t stay lit. 1. Gas pressure low. See “MANIFOLD PRESSURE

ht. 1. Gas not on.

2. Pan not down to close limit switch.

3. Unit not pr oper ly power is incorrect.

4. Low incomi n

5. Gas solenoid valve mal functi on.

6. HSI not operat in MODEL)” in “SERVICE PROCEDURES AND ADJUSTMENTS”.

7. I

nition module not rec eiving power.

A. Check transform er for 24VAC output to modul e. B. Hi

h limit thermostat rem ains open.

C. Temperatur e c ontroller or potentiom eter malfuncti on.

See “TEMPERATURE CONTROLLER AND POTENTIOMETER (GAS MODEL)” in “SERVICE PROCEDURES AND ADJUSTMENTS”.

8. I

nition module m alfunct ion.

ADJUSTMENT (GAS)” in “SERVICE PROCEDURES AND ADJUSTMENTS”.

2. Check position of flame sense probe. See “FLAME SENSE PROBE (GAS MODELS)” in SERVICE PROCEDURES AND ADJUSTMENTS”.

3. Flame sense probe malf unc tion.

4. I

nition module m alfunct ion.

5. Check

as orifice for obstruc tion.

rounded and/or polarity of incomi n

as pressure.

. See “HOT SURFACE IGNITOR (GAS

HSI heats up but burner will not li

Form 24643 (MARCH 1999) Printed in U.S.A.

ht. 1. Gas supply is off.

2. Gas solenoid valve mal functi on.

3. I

nition module m alfunct ion.

Vulcan Hart VECTS16 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual