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Frymaster Gas Rethermalizers FBR18 Series, Installation And Operation Manual

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Frymaster Gas Rethermalizers FBR18 Series Installation And Operation Manual Download Page 42

6-15 

THE 24 VAC CIRCUIT IN FBR18 UNITS 

24V

TRANSFORMER

BLOWER

CENTRIFUGAL

SWITCH

RIGHT

IGNITION

MODULE

LEFT

IGNITION

MODULE

GAS

VALVE

J3 PIN 8

LED

3 (24V)

RELAY K2 ON EARLY DESIGN BOARDS

OR

RELAY K3 ON LATER DESIGN BOARDS

LED

4 (PWR)

RIGHT PWR TERMINAL

J2 PIN 7

J2 PIN 5

V1S TERMINAL

LED

2 (PWR)

LEFT PWR TERMINAL

J2 PIN 2

LED

5 (GV)

J3 PIN 9

J2 PIN 4

V2S TERMINAL

 

Summary of Contents for Gas Rethermalizers FBR18 Series

Page 1: ...ercial Food Equipment Service Association recommends using CFESA Certified Technicians 819 5278 24 Hour Service Hotline 1 800 551 8633 May 2003 FBR18 FBRA18 Series Gas Rethermalizers Installation Oper...

Page 2: ...region in which the appliance is installed See NATIONAL CODE REQUIREMENTS in Chapter 2 of this manual for specifics NOTICE TO U S CUSTOMERS This equipment is to be installed in compliance with the bas...

Page 3: ......

Page 4: ...1 3 2 FBR18 FBRA18 Digital Controller 3 1 Operating the FBR18 FBRA18 Digital Controller 3 1 Operating the FBR18 FBRA18 Timers 3 2 3 3 Start Up Procedure 3 2 3 4 Boiling Out the Cookpot 3 3 3 5 Shutti...

Page 5: ...oting and Problem Isolation 6 8 6 7 1 Ignition Failures 6 9 6 7 2 Improper Burner Functioning 6 10 6 7 3 Improper Temperature Control 6 12 6 8 Troubleshooting Guides 6 12 6 8 1 Troubleshooting the Gas...

Page 6: ...s required Model Number Serial Number Gas Type Item Part Number Quantity Needed Service information may be obtained by contacting your local FASC Distributor Information may also be obtained by callin...

Page 7: ...controls with continuous temperature display and individual color coded timer controls with corresponding color coded baskets Each unit can rethermalize up to 15 lbs 7 kg of food an hour in large capa...

Page 8: ...ded with the unit when it was shipped from the factory Failure to use qualified service personnel will void the Frymaster Warranty on your equipment 1 6 Shipping Damage Claim Procedure Your Frymaster...

Page 9: ...the exhaust fan and the flue must never be extended in a chimney fashion An extended flue will change the combustion char acteristics of the equipment causing longer recovery times It also frequently...

Page 10: ...n to meet the Class B limits These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environ ment This equipment generate...

Page 11: ...ached to the rethermalizer or to the water supply line or it may be left off entirely whichever you prefer Whichever of the options is chosen Teflon thread seal tape or Loctite PST56765 or equivalent...

Page 12: ...gas supply line When making connections apply a small amount of Loctitite PST 56765 or equivalent thread compound to the male threads only DO NOT apply the compound to the first two threads This will...

Page 13: ...ure in Chapter 4 of this manual for the proper procedure 2 5 Converting to Another Gas Type This equipment is configured at the factory for either natural gas or LP Propane gas If you desire to switch...

Page 14: ...imultaneously The timers are equipped with an alarm to notify the operator that rethermalizing is complete The prod uct baskets have color coded handles that correspond to the timers to eliminate conf...

Page 15: ...e at a faster rate if the arrow is continuously pressed 4 Pressing the Temperature Setpoint display switch toggles the display back and forth be tween constant temperature display and constant setpoin...

Page 16: ...he burners will remain lit until the setpoint is reached 3 When the burners have been lit continuously for at least 90 seconds observe the burners through the burner viewing ports The burners should d...

Page 17: ...n the gas valve to the OFF position see illustration below and drain and clean the cookpot OFF ON Honeywell CAUTION The electronic circuitry in your controller can be adversely affected by current flu...

Page 18: ...nits Remove the cap nut at the top of the shield located on the left front of the cook pot and remove the shield by lifting up until it can be removed from the stud that holds it at the bottom Clean t...

Page 19: ...nt water from entering it Spray degreasing detergent on the blower wheel and blower housing Wait 5 minutes then rinse under hot water being careful not to get water into the motor Dry with a clean clo...

Page 20: ...this task be performed by the local gas company or an authorized service technician only 1 Ensure that the gas valve knob is in the OFF position 2 Remove the pressure tap plug from the gas valve assem...

Page 21: ...essure by removing the cap from the gas valve regulator and turning the regulator screw to obtain the correct pressure When the correct pressure is obtained reinstall the cap 5 Place the controller po...

Page 22: ...orrective action involves taking steps to ensure that it doesn t happen again If a controller malfunctions because of a poor connection check all other connections while you re at it If a fuse continu...

Page 23: ...minated Probable causes are a failed water solenoid or a failed interface board Call FASC Use bottlebrush to clean water level sensors Did LED illuminate Did unit begin to fill Problem resolved Probab...

Page 24: ...Whenever cookpot is refilled add 1 8 cup of salt Open control panel by removing screws in each upper corner Is WATER LED on interface board illuminated Remove the cover over the water sensors and tho...

Page 25: ...tip near temperature probe and wait two minutes Press the Temperature Check button once to display cookpot temperature Is temperature displayed reasonably close to thermometer reading Temperature con...

Page 26: ...sensor If burners still do not light remove the cover over the water sensors and thoroughly clean them with a Scotchbrite or similar nylon pad Did burners light Problem resolved Open control panel by...

Page 27: ...t it from the interface board install the new harness and then reverse steps 1 and 2 to complete the process 4 Disconnect the ground wire from the controller Remove the control panel by lifting it fro...

Page 28: ...ies at each burner An ignition module performs four important functions it provides fuse protection for the 24 volt circuit provides an ignition spark supplies voltage to the gas valve and proofs the...

Page 29: ...used when manufactured the uni versal replacement part is 806 3398 Earlier design boards may be replaced with later design boards and vice versa K4 K1 K2 SOUND 1 2 3 GND GND V2D PWR AD AS V2S GND V1D...

Page 30: ...s closed The board has four LEDs to assist in troubleshooting Three of the LEDs CYCLE WATER and BLOWER are arrayed along the lower edge of the board The fourth LED POWER is located at the right edge o...

Page 31: ...t Tube Refer to Semi Annual Checks and Services in Chapter 4 Preventive Maintenance 6 4 Checking the Burner Manifold Gas Pressure Refer to Semi Annual Checks and Services in Chapter 4 Preventive Maint...

Page 32: ...inserted work the retaining clip onto the probe until the probe is held securely in place Reinstall the probe cover and timer panel 4 Remove the screws from the upper corners of the control panel and...

Page 33: ...6 4 Replacing an Ignition Module 1 Unplug the rethermalizer and drain the cookpot 2 Disconnect the ignitor wire and flame sensor wire from the right burner assembly 3 Remove the five screws from the r...

Page 34: ...old assembly out the front of the unit 8 Remove the gas valve from the manifold assembly and remove all fittings from the old valve 9 Install the fittings removed from the old valve on the new valve u...

Page 35: ...to allow the top of the flue cap to slip out from under the back panel 4 Remove the four screws securing the upper flue assembly to the back panel 5 Remove the blower motor by removing the four nuts s...

Page 36: ...ic circuits 3 Problems related to the gas valve PROBLEMS RELATED TO THE GAS AND OR ELECTRICAL POWER SUPPLIES The main indicator of a problem with the electrical power supply is that there are no indic...

Page 37: ...pping indicates delayed ignition In this condition the main gas valve is opening but the burner is not immediately lighting When ignition does take place the excess gas explodes into flame rather than...

Page 38: ...000 volts Examine the ignitor for any signs of cracking A cracked ignitor must be replaced If all other causes have been ruled out examine the burner tiles for any signs of cracking If found the burn...

Page 39: ...he water is unusually low such as with distilled pu rified or highly filtered water the water will not ground the sensor If this is the cause adding ap proximately cup of salt to the water will usuall...

Page 40: ...he unit configured for Natual Gas Is incoming gas pressure 6 14 W C 1 49 3 49 kPa Is burner manifold gas pressure 3 5 W C 0 8 kPa Is gas valve vent tube obstructed Clear obstruction Problem is not wit...

Page 41: ...y Is LED 4 PWR lit Is LED 2 PWR lit Is 24VAC present on 25V terminal of LEFT ignition module Is 24VAC present on VALVE terminal of ignition module Probable cause is failed wiring harness If fuse is no...

Page 42: ...CH RIGHT IGNITION MODULE LEFT IGNITION MODULE GAS VALVE J3 PIN 8 LED 3 24V RELAY K2 ON EARLY DESIGN BOARDS OR RELAY K3 ON LATER DESIGN BOARDS LED 4 PWR RIGHT PWR TERMINAL J2 PIN 7 J2 PIN 5 V1S TERMINA...

Page 43: ...cause is dirty upper water level sensor but could also be a loose connection between sensor and interface board or a failed interface board Most probable cause is failed solenoid but may also be a fa...

Page 44: ...minal of latch relay Is 24VAC present on COM terminal of latch relay Is 24VAC present on J1 pin 3 When water level is above lower water level sensor is CYCLE LED lit Go to B Go to C Probable causes ar...

Page 45: ...gnition module Probable cause is failed wiring between module and gas valve Is 24VAC present on 25V terminal of LEFT ignition module If fuse is not blown module has failed Is 24VAC present on J2 pin 4...

Page 46: ...terface board Clean lower water level sensor and ground it Does CYCLE LED light when unit calls for heat Go to B Is 24VAC present on N O terminal of 12VDC relay Is 24VAC present on COM terminal of 12V...

Page 47: ...CIRCUITRY J2 PIN 3 J2 PIN 2 J1 PIN 3 LED WATER WATER SOLENOID VALVE J2 PIN 1 WATER RELAY K2 BLOWER CENTRIFUGAL SWITCH RIGHT IGNITION MODULE LEFT IGNITION MODULE GAS VALVE CYCLE RELAY K1 LED CYCLE WIR...

Page 48: ...ks If found replace probe Determine temperature of water in cookpot using a thermometer or pyrometer placed at tip of probe Is resistance approximately equal to that given in the Probe Resistance Char...

Page 49: ...3 13 107 1158 42 158 1264 70 209 1369 98 260 1473 127 57 1055 14 108 1160 42 159 1266 71 210 1371 99 261 1475 127 58 1057 14 109 1162 43 160 1268 71 211 1373 99 262 1477 128 59 1059 15 110 1164 43 161...

Page 50: ...1C 2C WHT BLK ORN ORN ORN ORN BLOWER GAS VALVE BLACK WHITE IGNITER HIGH VOLTAGE CABLE HIGH TEMP WIRE IGNITER 120 VAC CORDSET NOTE FLAME SENSOR WIRE MUST BE CONNECTED TO THE SAME IGNITOR AS ITS MATCHIN...

Page 51: ...GND VALVE VALVE GND BURNER ALARM 24V BLACK WHITE LOAD LINE SOLENOID J2 J1 1 4 3 2 5 6 4 3 2 1 LOW PROBE HIGH PROBE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 TEMP PROBE COM RELAY N O COMPUTER 12V LOAD LINE...

Page 52: ...tural Gas 810 0608 Propane Gas 4 807 1564 Blower Combustion Air 5 823 2528 Mount Combustion Air Blower 6 900 5525 Bracket Combustion Air Blower Stabilizer 816 0055 Insulation Burner Support x 17 38 81...

Page 53: ...Cabinet 8 900 7377 Side Cabinet CRS Left or Right 9 900 4521 Retainer Cabinet Back Insulation 10 812 1141 Insulation Cabinet Back 11 900 1552 Gusset 12 900 4505 Top Brace 13 900 1759 Bracket Pot Hold...

Page 54: ...OMPONENT 1 900 4509 Control Box Mounting Base 2 807 1006 Ignition Module 4 Second Honeywell 3 809 0446 Spacer 26 inch x 50 inch 4 807 1706 Cable Ignition 36 inch 5 806 5541 Wire Flame Sensor 6 807 085...

Page 55: ...Box used on FBR18 only 2 806 3398 Interface Board used on FBR18 only 809 0394 Spacer Interface Board Standoff 4mm x 6mm used on FBR18 only 3 810 0045 Bushing 875 inch used on FBR18 and FBRA18 4 806 5...

Page 56: ...10 4496 Cooking Timer Control Panel 2 Knob Assembly 810 1287 Black 806 5339 Gray 806 5340 Red 806 5341 Brown 806 5342 Blue 806 5343 Green 3 810 0808 Faceplate Timer Dial 4 810 0807 Timer Springwound 6...

Page 57: ...5251SP Probe Assembly Temperature 7 824 0395 Guard Probe 8 900 1031 Retainer Sight Glass 9 816 0053 Insulation Sight Glass 10 814 0048 Sight Glass 810 0809 Block Probe Mounting 816 0157 Insulation Upp...

Page 58: ...to 1 Barb 6 816 0144 Insulation Cookpot Side 7 806 7552SP Sensor Assembly Upper or Lower Water Level 8 910 5196 Cover Water Level Sensors 9 806 5251 Probe Assembly Temperature 10 824 0395 Guard Probe...

Page 59: ...0 Adapter NPT x Tube Brass 5 813 0016 Nipple x NPT BM 6 813 0004 Elbow NPT x 90 BM 7 813 0433 Nipple NPT x 2 BM 8 813 0304 Bushing x Flush BM 9 813 0301 Tee Male x NPT x Brass 10 813 0022 Nipple NPT C...

Page 60: ...1025 Compression Fitting Straight FBRA18 only 8 813 0022 Nipple x Close BM NPT FBRA18 only 9 910 8026 Tubing SS Water Line FBRA18 only 10 813 0471 Nipple x 1 Brass NPT FBRA18 only 11 806 8467SP Valve...

Page 61: ...7 10...

Page 62: ...port Louisiana 71135 1000 Shipping Address 8700 Line Avenue Shreveport Louisiana 71106 TEL 1 318 865 1711 FAX Parts 1 318 219 7140 FAX Tech Support 1 318 219 7135 Price 10 00 PRINTED IN THE UNITED STA...

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