Fri-Jado STG7-P Service Manual

SERVICE MANUAL

STG7 P GAS FIRED

ROTISSERIE OVEN

MODELS

Programmable controls STG7 P

Gas types G20/25

Model STG7 P Gas

- NOTICE This manual is prepared for the use of trained Service Technicians and should not be used by those not properly qualiﬁed. If you have attended training for this product, you may be qualiﬁed to perform all the procedures in this manual.

This manual is not intended to be all encompassing. If you have not attended training for this product, you should read, in its entirety, the repair procedure you wish to perform to determine if you have the necessary tools, instruments and skills required to perform the procedure. Procedures for which you do not have the necessary tools, instruments and skills should be performed by a trained technician.

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

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Service Manual STG7 P Gas form 9123692 rev. 05/2013

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Service Manual STG7 P Gas form 9123692 rev. 05/2013

TABLE OF CONTENTS

Versions

Version Issue date

Remarks

dd/mm/yy 02/2009 01/03/2012 First release. 07/2012 01/07/2012 Various adjustments. 02/2013 01/02/2013 Adjusting of power changed. Blower added in electric compart-

ment.

04/2013 01/04/2013 Adjusting power changed on pages 23 to 29. Trouble shooting ad-

justed.

05/2013 01/05/2013 Adjusting power changed on pages 23 to 29.

Service Manual STG7 P Gas form 9123692 rev. 05/2013

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TABLE OF CONTENTS

INDEX

Index .......................................................................................................................................................... 4

General technical data

Programming instructions

Removal and replacement of parts for the STG7 P Gas

Right or left side panel Top cover Knob Instrument panel Tumble switch reset Electric panel Display Panel and keypad assembly Namepanel Halogen lamp holder (customer side) Halogen lamp holder (service side) Power section Safety thermostat Main switch Blower motor PT500 sensor Drive motor Gas mixture blower Gas burner safety control Gas control block Ignition/Ionization set Board speed control blower Relay and base relay Rectiﬁer Ring core transformers Door adjustment (left side) Door glass inside Door glass outside Changing an oriﬁce and air inlet

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Service Manual STG7 P Gas form 9123692 rev. 05/2013

TABLE OF CONTENTS

Working of gas ﬁred rotisserie .............................................................................................................. 23

Gas technical data

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Electrical tests and service procedures

PT500 sensor test Keypad test

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Adjustment of board for speed/power regulation Temporary bridging of reset switch Gas block Honeywell type VK4115V Adjusting of the power for Natural gas and Propane Ignition/Ionization set Control location

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Troubleshooting for the STG7 P Gas Rotisseries

Exploded views & partlists

STG7 P Gas - sheet iron work STG7 P Gas - components

Electrical diagrams

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STG7 P Gas - circuit diagram STG7 P Gas - wiring diagram

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STG7 P Gas - wiring diagram (till serial number 100054530)

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Service Manual STG7 P Gas form 9123692 rev. 05/2013

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GENERAL TECHNICAL DATA

This manual covers the STG 7 P gas ﬁred rotisserie ovens suitable for G 20/25 (natural gas).

• STG7–Ovenwithsevenspits(28to35chickens).

Alloftheinformation,illustrationsandspecicationscontainedinthismanualarebasedon thelatestproductinformationavailableatthetimeofprinting.

Note: From Dec. 2008 on the gas pipe ends under the STG 7 instead of at the rear end. A knee piece and an 8 inch nipple (NPT to BSP thread) are delivered with the unit.

TECHNICAL DATA

Type STG 7

Power(W) 345

Gaspower(BTU-KW) 49.500-14.5

Fusesneededwithpowerconnection115V,1N~50…60Hz (1phasewithzero)

Standardplugfromfactory NEMA5-15

Netweight 204kg 450lbs

Grossweight 230kg 507 lbs

Height 1025mm 401/4inch

Width 985mm 383/4inch

Depth 850mm 331/2inch

1x15A

Tools

• Standardsetoftools.

• Metricwrenches,socketsandhexsocketkeywrenches.

• Multi-meterandACcurrentclamptester.

• Temperaturetester.

• Insulationvaluetester(Megger).

• Toxicitymeter.

• Gaspressuremeter.

• FieldServiceGroundingKit.

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Service Manual STG7 P Gas form 9123692 rev. 05/2013

PROGRAMMING INSTRUCTIONS

DISPLAY AND KEYS

Time display

Temperature Display

Program indicators

Program keys

Buzzer key

Probe key

Temperature key

Up-Down key

Time key

8888888410 0030

SETTING THE STG

Temperature hold indicator

Second step indicator

First step indicator

Start/Stop

Rotor key

Time of day

Program end

Temperature hold process

Second cooking step

First cooking step

When the main switch is tuned to “1” the

display lights up and the rotisserie is ON.

Service Manual STG7 P Gas form 9123692 rev. 05/2013

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PROGRAMMING INSTRUCTIONS

SETTING ACTUAL TIME 15 PROGRAMS

888410 88881040

ENTERING A PROGRAM FIRST COOKING STEP (TIME)

888p01 8888prog

Press and hold Time of day key

Press Up or Down key

Release Time of day key

Select Program number

Press both Up and Down keys during 2 seconds

888p16 888815pr

888000 88880040

After the unit is switched-on the time display indicates: 15PR

Key 1: 1x = program 01 2x = program 06 3x = program 11

Key 2: 1x = program 02 2x = program 07 3x = program 12

Press Cooking process key

Cooking symbol lights up

SECOND COOKING STEP (TIME)FIRST COOKING STEP (TEMP.)

Press and hold the

888410 88880040 888000 88880030

Temperature key

Press Up or Down key

Press and hold the Time key

Press Up or Down key

Press Grilling process key

Grilling symbol lights up

Press and hold the Time key

Press Up or Down key

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Service Manual STG7 P Gas form 9123692 rev. 05/2013

PROGRAMMING INSTRUCTIONS

SECOND COOKING STEP (TEMP.) TEMPERATURE HOLD

888350 88880030

LOADING PROGRAM PROGRAM START & LOADING

888185 88880000

Press and hold Temperature key

Press Up or Down key

Press program number to load pre-set values

888185 88880000

888000 88880040

Press Temperature Hold process key

Temperature Hold symbol lights up

Press and hold the Temperature key

Press Up or Down key

Press Start / Stop key

On indicator lights up

Press Rotor key to start turning the rotor

OPTIONAL SETTINGS

INTERRUPTING ACTIVE PROGRAM

Press Rotor key

888350 88880046

Heaters and front lamp switch off

Rotor stops

On indicator is blinking

Process time in hold

Press Rotor key again to stop

Load the rotisserie with products

SET ADDITIONAL BUZZER SIGNAL

Select a pre-deﬁned

888p01 88881055

program

Press and hold Buzzer key

Press Down key

Service Manual STG7 P Gas form 9123692 rev. 05/2013

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PROGRAMMING INSTRUCTIONS

SET PROGRAM END TIME DISPLAY SET TIME & TEMPERATURE

Select a pre-deﬁned

888p01 88881030 888390 88880040

ADJUSTING ACTIVE PROGRAM

program

Press and hold the Program end key

Press Up key

PREHEAT INDICATION

Press and hold Temperature or Time key

888390 88880035 888prh 88880059

Adjust temperature or time with Up or Down key

Select a pre-deﬁned program

Press Cooking, Grilling or Temperature hold key

No time indication for Temperature hold

Visible during process or program selection

Under 40°C (104°F) the display shows PRH

TEMPERATURE PROBE (OPTIONAL)

Press the Rotor key

888185 88880046

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Insert the probe in the meat up to the core

Press Temperature sen- sor key; after 20 seconds the temperature reading switches off

INDICATIONS DURING PROCESS

• Process indicators shows actual process. After completion indicator switches off

•

Time display shows remaining program time which is the sum of the remaining cooking and grilling time

• Temperature display indicates actual temperature in the grill. Under 40°C(104°F) the display shows PRH (preheat)When remaining time reaches 0, the process indicators and the On-indicatorswitches off

Service Manual STG7 P Gas form 9123692 rev. 05/2013

REMOVAL AND REPLACEMENT OF PARTS

REMOVAL AND REPLACEMENT OF PARTS FOR THE STG7 P GAS

WARNING: Disconnect the electrical power to the machine at the main circuit box. Place a tag on the circuit box indicating the circuit is being serviced.

RIGHT OR LEFT SIDE PANEL

1. Remove the screws that secure the panel to the frame.

2. Remove the panel.

3. Reverse the procedure to install.

TOP COVER

1. Remove the left side panel according prior procedure.

2. Remove the screws securing both large and small top covers.

3. Remove the small cover.

4. Remove the large top cover. (Lift at left side and remove to the left).

5. Reverse the procedure to install.

KNOB

1. Remove cover plate on the knob with a small screw driver.

2. Loosen the screw inside the knob.

3. Remove the knob with ring.

4. Reverse the procedure to install.

Service Manual STG7 P Gas form 9123692 rev. 05/2013

Note: check that the ring behind the knob is in the right position and runs free from the panel.

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REMOVAL AND REPLACEMENT OF PARTS

INSTRUMENT PANEL

1. Remove the right side panel according prior procedure.

2. Remove the knobs according prior procedure.

3. Remove the screw that secures the panel.

4. Remove the 2 bolts on the backside of the instrument panel.

5. Remove the screws that secure the meat probe holder and remove the holder (if supplied).

6. Remove the ﬂatcable on the power section.

7. Remove the clip on the back, top left side that secures panel and frame.

8. Remove the instrument panel.

9. Reverse the procedure to install.

TUMBLE SWITCH RESET

1. Remove the right side panel according prior procedure.

2. Remove the wiring.

3. Remove the switch by pushing the clamps with a screw driver.

4. Reverse the procedure to install.

ELECTRIC PANEL

1. Remove the instrument panel according prior procedure.

2. Remove on the front side the screws that secure the panel.

3. Remove on the inside bottom of the electric panel the bolt and nuts.

4. Disconnect the wiring.

5. Slide the electrical panel backwards.

6. Reverse the procedure to install.

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Service Manual STG7 P Gas form 9123692 rev. 05/2013

REMOVAL AND REPLACEMENT OF PARTS

DISPLAY

1. Remove the right side panel according prior procedure.

2. Disconnect the ﬂatcable on the display.

3. Remove the clip on the back, top left side that secures panel and frame.

4. Remove the nuts and washers on the backside of the display and remove the metal cover.

5. Remove the nuts and plastic rings that secure the board and remove the board. Do not forget to disconnect the blue connector on the board.

6. Reverse the procedure to install.

PANEL AND KEYPAD ASSEMBLY

1. Remove the instrument panel according prior procedure.

2. 2. Remove the display according prior procedure.

3. Remove the nuts that secure the panel with foil and remove panel.

4. Reverse the procedure to install.

NAMEPANEL

1. Remove the instrument panel according prior procedure.

2. Remove the 4 nuts that secure the panel and remove panel.

3. Reverse the procedure to install.

Service Manual STG7 P Gas form 9123692 rev. 05/2013

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REMOVAL AND REPLACEMENT OF PARTS

HALOGEN LAMP HOLDER (CUSTOMER SIDE)

1. Remove the top cover according prior procedure.

2. Remove the wiring of the lamp on the connector.

3. Remove the cap nuts that secure the air suction plate and remove this plate.

4. Remove the glass and lamp from the lamp holder. Turning direction of glass in counter clockwise.

5. Remove the holder. You have to deform the holder to take it out.

6. Insert a new holder and click this in.

7. Reverse the procedure to install.

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HALOGEN LAMP HOLDER (SERVICE SIDE)

1. Remove the top cover according prior procedure.

2. Remove the wiring of the lamp on the connector.

3. Remove the glass and lamp from the lamp holder. Turning direction of glass in counter clockwise.

4. Remove the holder. You have to deform the holder to take it out.

5. Insert a new holder and click this in.

6. Reverse the procedure to install.

Service Manual STG7 P Gas form 9123692 rev. 05/2013

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