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.
USA
WWW.FRIJADO.COM |
Service Manual STG7 P Gas form 9123692 rev. 05/2013 |
Page 2 |
Service Manual STG7 P Gas form 9123692 rev. 05/2013 |
TABLE OF CONTENTS
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Versions |
Version |
Issue date |
Remarks |
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dd/mm/yy |
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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- |
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ment. |
04/2013 |
01/04/2013 |
Adjusting power changed on pages 23 to 29. Trouble shooting ad- |
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justed. |
05/2013 |
01/05/2013 |
Adjusting power changed on pages 23 to 29. |
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Service Manual STG7 P Gas form 9123692 rev. 05/2013 |
Page 3 |
TABLE OF CONTENTS |
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INDEX |
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Index........................................................................................................................................................... |
4 |
General technical data.............................................................................................................................. |
6 |
Programming instructions........................................................................................................................ |
7 |
Removal and replacement of parts for the STG7 P Gas........................................................................ |
11 |
Right or left side panel........................................................................................................................ |
11 |
Top cover............................................................................................................................................... |
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Knob...................................................................................................................................................... |
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Instrument panel.................................................................................................................................. |
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Tumble switch reset.............................................................................................................................. |
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Electric panel........................................................................................................................................ |
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Display................................................................................................................................................... |
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Panel and keypad assembly................................................................................................................. |
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Namepanel............................................................................................................................................ |
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Halogen lamp holder (customer side)................................................................................................. |
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Halogen lamp holder (service side)..................................................................................................... |
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Power section....................................................................................................................................... |
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Safety thermostat ................................................................................................................................ |
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Main switch........................................................................................................................................... |
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Blower motor........................................................................................................................................ |
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PT500 sensor......................................................................................................................................... |
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Drive motor........................................................................................................................................... |
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Gas mixture blower.............................................................................................................................. |
18 |
Gas burner safety control.................................................................................................................... |
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Gas control block.................................................................................................................................. |
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Ignition/Ionization set.......................................................................................................................... |
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Board speed control blower................................................................................................................ |
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Relay and base relay............................................................................................................................. |
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Rectifier................................................................................................................................................. |
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Ring core transformers......................................................................................................................... |
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Door adjustment (left side).................................................................................................................. |
21 |
Door glass inside................................................................................................................................... |
21 |
Door glass outside................................................................................................................................ |
21 |
Changing an orifice and air inlet........................................................................................................ |
22 |
Page 4 |
Service Manual STG7 P Gas form 9123692 rev. 05/2013 |
TABLE OF CONTENTS |
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Working of gas fired rotisserie............................................................................................................... |
23 |
Gas technical data................................................................................................................................ |
24 |
Electrical tests and service procedures................................................................................................... |
25 |
PT500 sensor test.................................................................................................................................. |
25 |
Keypad test........................................................................................................................................... |
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Adjustment of board for speed/power regulation............................................................................ |
26 |
Temporary bridging of reset switch.................................................................................................... |
27 |
Gas block Honeywell type VK4115V................................................................................................... |
28 |
Adjusting of the power for Natural gas and Propane....................................................................... |
29 |
Ignition/Ionization set.......................................................................................................................... |
30 |
Control location.................................................................................................................................... |
31 |
Troubleshooting for the STG7 P Gas Rotisseries................................................................................... |
32 |
Exploded views & partlists..................................................................................................................... |
34 |
STG7 P Gas - sheet iron work............................................................................................................... |
34 |
STG7 P Gas - components..................................................................................................................... |
36 |
Electrical diagrams................................................................................................................................... |
39 |
STG7 P Gas - circuit diagram................................................................................................................ |
39 |
STG7 P Gas - wiring diagram............................................................................................................... |
40 |
STG7 P Gas - wiring diagram (till serial number 100054530)............................................................. |
41 |
Service Manual STG7 P Gas form 9123692 rev. 05/2013 |
Page 5 |
GENERAL TECHNICAL DATA
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 specifications 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.
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TECHNICAL DATA |
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Type |
STG 7 |
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Power (W) |
345 |
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Gas power (BTU - KW) |
49.500 - 14.5 |
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Fuses needed with power connection 115 V, 1N ~50…60 Hz |
1x 15 A |
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(1 phase with zero) |
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Standard plug from factory |
NEMA 5-15 |
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Net weight |
204 kg |
450 lbs |
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Gross weight |
230 kg |
507 lbs |
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Height |
1025 mm |
40 1/4 inch |
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Width |
985 mm |
38 3/4 inch |
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Depth |
850 mm |
33 1/2 inch |
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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.
Page 6 |
Service Manual STG7 P Gas form 9123692 rev. 05/2013 |
PROGRAMMING INSTRUCTIONS
PROGRAMMING INSTRUCTIONS
DISPLAY AND KEYS
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Time display |
Temperature Display |
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481880 |
08083808 |
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Temperature hold indicator |
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Program indicators |
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Second step indicator |
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Program keys |
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First step indicator |
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Buzzer key |
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Start/Stop |
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Probe key |
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Rotor key |
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Time of day |
Temperature key |
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Program end |
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Up-Down key |
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Time key |
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Temperature hold process |
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Second cooking step |
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First cooking step |
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SETTING THE STG
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 |
Page 7 |
PROGRAMMING INSTRUCTIONS
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SETTING ACTUAL TIME |
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15 PROGRAMS |
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Press and hold Time of |
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After the unit is |
410888 |
10408888 day key |
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888p16 |
15pr8888 |
switched-on the time |
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display indicates: 15PR |
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Press Up or Down key |
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Key 1: |
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Release Time of day key |
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1x = program 01 |
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2x = program 06 |
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3x = program 11 |
Key 2:
1x = program 02
2x = program 07
3x = program 12
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ENTERING A PROGRAM |
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FIRST COOKING STEP (TIME) |
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Select Program number |
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Press Cooking process |
p01888 |
prog8888 |
Press both Up and Down |
888000 |
00408888 key |
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keys during 2 seconds |
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Cooking symbol lights |
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up |
Press and hold the Time key
Press Up or Down key
FIRST COOKING STEP (TEMP.) |
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SECOND COOKING STEP (TIME) |
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Press and hold the |
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Press Grilling process key |
410888 |
00408888 Temperature key |
888000 |
88880030 |
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Grilling symbol lights up
Press Up or Down key
Press and hold the Time key
Press Up or Down key
Page 8 |
Service Manual STG7 P Gas form 9123692 rev. 05/2013 |
PROGRAMMING INSTRUCTIONS
SECOND COOKING STEP (TEMP.) |
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TEMPERATURE HOLD |
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Press and hold Tempera- |
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Press Temperature Hold |
350888 |
00308888 ture key |
81858 |
00008888 process key |
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Press Up or Down key |
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Temperature Hold |
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symbol lights up |
Press and hold the
Temperature key
Press Up or Down key
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LOADING PROGRAM |
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Press program number |
1858 8 |
00008888 to load pre-set values |
PROGRAM START & LOADING
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Press Start / Stop key |
000888 |
00408888 On indicator lights up |
Press Rotor key to start turning the rotor
Press Rotor key again to stop
Load the rotisserie with products
OPTIONAL SETTINGS
INTERRUPTING ACTIVE PROGRAM |
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SET ADDITIONAL BUZZER SIGNAL |
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Press Rotor key |
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Select a pre-defined |
350888 |
00468888 |
Heaters and front lamp |
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p01888 |
10558888 |
program |
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switch off |
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Press and hold Buzzer |
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Rotor stops |
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key |
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Press Down key
On indicator is blinking
Process time in hold
Service Manual STG7 P Gas form 9123692 rev. 05/2013 |
Page 9 |
PROGRAMMING INSTRUCTIONS
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SET PROGRAM END TIME |
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Select a pre-defined |
p01888 |
10308888 program |
Press and hold the
Program end key
Press Up key
DISPLAY SET TIME & TEMPERATURE
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Select a pre-defined |
888390 |
88880040 program |
Press Cooking, Grilling or Temperature hold key
No time indication for
Temperature hold
Visible during process or program selection
ADJUSTING ACTIVE PROGRAM |
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PREHEAT INDICATION |
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Press and hold Tempera- |
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Under 40°C (104°F) the |
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88880035 ture or Time key |
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888390 |
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prh888 |
00598888 display shows PRH |
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Adjust temperature or time with Up or Down key
TEMPERATURE PROBE (OPTIONAL)
Press the Rotor key
1858 8 00468888 Insert the probe in the meat up to the core
Press Temperature sensor 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
Page 10 |
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.
Note: check that the ring behind the knob is in the right position and runs free from the panel.
Service Manual STG7 P Gas form 9123692 rev. 05/2013 |
Page 11 |
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.
Page 12 |
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 |
Page 13 |
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.
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.
Page 14 |
Service Manual STG7 P Gas form 9123692 rev. 05/2013 |
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