GAS RESTAURANT RANGE PARTS / SERVICE MANUAL

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1 THERMA-TEK RANGE CORPORATION QUALITY AND STRENGTH GAS RESTAURANT RANGE PARTS / SERVICE MANUAL Models covered in this manual include: TMDS (4 Open Top Burners, 1 Space Saver Oven) TMDS (6 O T Burners, 1 Standard Oven) TMDS (8 O T Burners, 2 Space Saver Ovens) TMDS (10 O T Burners, 2 Standard Ovens) TMDS RGB-2 (6 O T Burners, Raised Grid/Broil, 2 Ovens) TMDS (12 O T Burners, 2 Standard Ovens) And models utilizing available options including: Manual & Thermostatic Griddles, Hot Tops, Radiant & Char- Rock Broilers, Range Base Convection Ovens, and Storage Cabinet Bases.

2 INTRODUCTION The Gas Restaurant Range Parts / Service manual contains Installation & Operation Recommendations. It also includes Troubleshooting and Technical Data such as Orifice Hood Sizing and Gas Pressure Requirements. The material presented should be used in conjunction with the Owners Manual, Professional Training, Service Experience, and Industry Standard Practices. TABLE OF CONTENTS: PAGE Model Number Identification..3 Gas Restaurant Range Standard Features 3 Gas Restaurant Range Standard Features (continued)....4 Rating Plate Location..5 Identifying the Age of Equipment by Warranty Number 5 Gas Specifications..6 Lighting Standing Pilots.7 Shut Down -Nightly and Complete 8 Open Top Burner Air Adjustment.. 8 Setting the Bypass Flame on Thermostatic Griddles..9 Calibration Check and Thermostat Recalibration...9 Oven Pilot Safety System..10 Trouble Shooting the Pilot Burner.10 Control Tips Thermocouple / Safety Parts Exploded View and Detail List Notes.27 2

3 Model Number Identification EXAMPLE: TMDS N T (Therma) M (Medium) D (Duty) S (Standard Aluminized Oven) 24, 36, 48, 60, 72 (The Width of the Unit) -4, -6, -8, -10, -12 (The Number of Open Burners) Optional -HT (Hot Top), - G (Manual Griddle), - TG (Thermostatic Griddle), GP (Grooved Plate), - RB (Radiant Broiler), - CRB (Char-Rock Broiler), - 0 (Storage Cabinet Base), - C (Range Base Convection Oven) The Final Character N or L (NATURAL or LP Gas). Gas Restaurant Range Standard Features Gas Restaurant Ranges consist of a welded frame construction. Fully stainless steel exterior. 6 (152.5 mm) adjustable legs. Gas pressure regulator provided. One year limited parts and labor warranty. Open Top Burners Cast iron lift off burner heads for easy cleaning. Rated at 30,000 BTU s (8.79 kw). Top grate supports located every 12 assuring structural integrity. Spill-proof pilot ignition system. Individual 12 (305 mm) x 12 (305 mm) cast iron top grates. Burner is controlled by a brass valve with infinite adjustment. 3

4 Griddles 5/8 thick, highly polished steel plate. Spatula width grease trough. One heavy-duty, steel tube burner per 12 section; at 20,000 BTU/hr. Each 12 section is controlled by a valve. Each 24 section is controlled by a thermostat. Manual valve control is standard. Thermostat control is available. Large capacity grease container. Radiant Broilers One heavy-duty cast-iron H-Type burner per 12 section; 30,000 BTU/hr. Heavy cast-iron radiant with multiple heat sinks - (2) per burner. Heavy-duty cast-iron cooking grates. Single piece precision brass valves with infinite heat control. Easy to remove drip pans Char-Rock Broilers One heavy-duty cast-iron H-Type burner per 12 section; 30,000 BTU/hr. High quality lava rocks on cast iron supports provide maximum heat. Burners protected by heat shield to prevent blockage of ports and pilot. Heavy-duty cast-iron cooking grates. Single piece precision brass valves with infinite heat control. Easy to remove drip pans. Range Base Convection Oven 1/3 Hp convection oven motor Three oven racks Three rack guide positions 6 Ft volt cord and plug. 4

5 RATING PLATE LOCATION The Rating Plate (sticker) on all Gas Restaurant Range Models is located on the backside of the lower front panel. It flips down to expose the Rating Plate and Operating Instructions. On double oven models, the Rating Plate is behind the lower front panel of the right oven. WARRANTY SERIAL NUMBER THERMA-TEK SERIAL NUMBER & DATE CODE Date of manufacture is a date code and is part of the serial number. (a) (c) Example: 09J00001A (b) (d) (a) Year Code: Use the last two digits of the year. 07 = = = 2009 (b) Month Code: A=Jan, B=Feb, C=Mar, D=Apr, E=May, F=Jun, G=Jul, H=Aug, I=Sep J=Oct, K=Nov, L=Dec (c) 5 Digit Serial Number: This number is reset to zero on the new year. (d) Engineering Digit: A is used for new release. Anytime a design element is changed that would affect service, this digit would be changed to B. Each time a change is made, the letter is changed going down through the alphabet. 5

6 RESTAURANT RANGE GAS SPECIFICATIONS BURNER TYPE BTU / kw NAT Hood Orifice # PRO Hood Orifice # Open Top 30,000 / Griddle 20,000 / Raised Griddle / Broiler / Hot Top 20,000 / Char-Rock Broiler 30,000 / Radiant Broiler 30,000 / Standard Oven 35,000 / Convection Oven Base 35,000 / Space Saver Oven 27,000 / PRESSURE REGULATOR A Pressure Regulator is provided with every Gas Restaurant Range and must be installed prior to start up. GAS PRESSURE Natural Liquefied Propane MANIFOLD SIZE 5.0 Water Column / mbar 10.0 Water Column / mbar ¾ N.P.T. on all Restaurant Ranges. LOCATION Gas manifold inlet is left facing, inboard 113/16. 6

8 SHUTDOWN Nightly shutdown: Turn burner valves or thermostats to off position. Pilots will remain lit. Complete shutdown: Turn burner valves or thermostats to off position. Turn main gas supply to range off. 8

9 OVEN / GRIDDLE THERMOSTAT OPERATION When An Oven or Griddle reaches the temperature at which the dial was set, the control cuts down the flow of gas to the amount required to maintain that temperature. This minimum burner flame is called the bypass flame. The control must provide enough bypass gas to keep the entire burner lighted. If not, the bypass must be set carefully and accurately as follows: Setting the Bypass Flame 1. With the pilot lighted, turn the thermostat dial to Full On. 2. After 5 minutes, turn the dial clockwise to the point slightly beyond the first mark on the dial. 3. Carefully remove the dial. 4. With a straight-bladed screw driver, turn the bypass adjustment screw counter-clockwise to increase the flame, clockwise to decrease the flame, until there is a minimum flame (approximately 1/8 high) on the entire burner. This flame should be stable without lifting. With a good bypass established, we can check the thermostat s calibration. An accurate pyrometer or other reliable test instrument is required. Checking Calibration 1. Set the thermostat dial to 400 F mark. That s 240 C. 2. To allow the temperature to stabilize, the control must cycle at least three times (min. 15 minutes) before taking a meter reading. 3. Continue to check temperature at 5 minute intervals until two successive readings are within 5 degrees of each other. If readings are not within 20 degrees of the dial setting, calibration is required. Calibrating the Control 1. With the dial insert removed, hold the dial firmly. 2. With a straight bladed screwdriver, push and hold the calibration screw located down the center of the stem. Do not turn the screw. 3. While holding the calibration screw firmly, turn the dial to the set point matching the actual temperature shown on your test instrument. Remove the screwdriver. Replace the dial insert. 4. Set the temperature at 400 (240 C). After 15 minutes, check temperature. It should be within 20 degrees of the dial setting. 5. A control exhibiting 50 or more degrees out should be replaced. 9

10 PILOT SAFETY & THERMOCOUPLE OPERATION Therma-Tek has utilized several manufactures of safety valves and thermocouples. The following includes both general and Robertshaw specific instructions. Heating the thermocouple tip by the pilot flame produces an electrical potential that energizes the safety s magnet that holds the main and pilot valves open. When the pilot is out or improperly adjusted, insufficient heat is applied to the thermocouple tip. Therefore, inadequate electrical generation results in the control shutting off. 10

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15 PART NUMBER DESCRIPTION RESTAURANT SERIES RANGE

16 ITEM NUMBER PART NUMBER DESCRIPTION RESTAURANT SERIES RANGE Open Top Orifice Hood # 40 (NAT) Open Top Orifice Hood # 53 (lp) /8 NPT Pipe Plug Pilot Adjust Valve Open Top Manual Gas Valve Brass Elbow 90 3/8CC x 1/4 NPT (Oven Thermostat Fitting) Tee Thermostat BJ Bezel Assy (Oven) BJ Oven Knob BJWA Oven Thermostat Oven Bulb Clamp Bulb Clip Burner Rest Open Top Pilot Tube WA Air Shutter Front Venturi Top Grate Commercial Burner Head Rear Venturi Top Grate Support Pilot Tubing Assy Regulator 5" NAT Regulator 10" LP " SDHS Rear Panel " SDHS Rear Panel " SDHS Rear Panel " SDHS Rear Panel " SDHS Rear Panel " SDHS Shelf WA " SDHS Shelf WA " SDHS Shelf WA " SDHS Shelf WA " SDHS Shelf WA " SDHS Front Panel " SDHS Front Panel " SDHS Front Panel " RGB SDHS Front Panel " SDHS Front Panel " SDHS Front Panel " Drip Pan Handle Drip Pan Handle (TMD36-24G-2-1) Center Drip Pan Handle 60" Drip Pan Handle 60" RGB Drip Pan Handle RGB Center Drip Pan Handle 60"

17 Drip Can Handle 24" RGB Drip Pan Handle 24" " Drip Pan Drip Pan (TMD36-24G-2-1) Drip Pan 60" Center Drip Pan 60" RGB Drip Pan RGB Center Drip Pan 60" " CRB/RB Drip Pan " Drip Pan " CRB/RB Drip Pan " Broiler Drip Pan Center 60" Drip Pan (TMD CRB) " Drip Pan (TMD CRB) Oven Pilot (NAT) Oven Pilot (LP) Straight Tube Burner Straight Tube Burner Bracket Oven Rack Side Commercial Oven Rack 30" Oven Commercial Oven Rack 24" Oven Oven Rack Clip Assy Lower Front Panel 30" Lower Front Panel 24" Front Air Shield 36" Front Air Shield 24" Piezzo Igniter Piezzo Igniter Bracket Oven Pilot Tubing TS11 Safety Valve TS11 Safety Valve Bracket Oven Orifice Nat # Oven Orifice LP # Space Saver Oven Orifice Nat # Space Saver Oven Orifice LP # Range Base Oven Orifice Nat # Range Base Oven Orifice LP # Lower Front Panel Bracket WA Corner Column LH 36" WA Corner Column RH 36" WA " Leg " Swivel Caster " Swivel Caster W/Brake Door Liner 30" WA

18 Door Frame Assembly 30" Door Frame Assembly 24" Door Spring Oven Door Insulation 30" Oven Door Insulation 24" Pal Nut Logo Therma-Tek Range Corp Door Handle Stiffener Bracket 30" Door Handle Stiffener Bracket 24" Door Panel 30" Door Panel 24" Door Handle 30" Door Handle 24" Door Handle End Oven Flame Spreader Oven Bottom 30" WA-PC Plastic Knob Front Rail 12" WA Front Rail 24" WA Front Rail 36" WA Front Rail 48" WA Front Rail 60" WA Front Rail 72" WA Front Rail 30" WA Front Panel 36" Front Panel 60" Front Panel 36" TMD Front Panel 36" TMD36-36G Front Panel 60" RGBa Front Panel 60" TMD60-24G Front Panel 60" TMD60-36G Front Panel 60" TMD G Front Panel 24" Front Panel 36" TMD36-24G Front Panel 48" TMD48-24G Front Panel 48" Front Panel 24" TMD24-12G Front Panel 24" TMD G Front Panel 24" TMD24-24G Front Panel 36" TMD G Front Panel 72" Front Panel 36" TMD G Front Panel 48" TMD48-48G Front Panel 72" TMD72-36G Front Panel 72" TMD72-48G-4-2

19 Front Panel 60" TMD60-60G Front Panel 48" TMD G Front Panel 48" TMD48-36G Front Panel 48" TMD48-24G Front Panel 60" TMD C Front Panel 60" TMD C Front Panel 48" TMD48-12G Front Panel 60" TMD60-12G Front Panel 72" TMD G Front Panel 72" TMD G Front Panel 48" TMD G Front Panel 72" TMD72-24G Front Panel 72" TMD72-72G Front Panel 48" TMD G Front Panel 36" RBCO-TSTAT-Right Front Panel 36" RBCO-TSTAT-Left Front Panel 60" TMD C Front Panel 72" RBCO Front Panel 48" TMD48-8-1CO-O Front Panel 60" TMD60-48G Front Panel 36" TMD G Front Panel 60" TMD G-1C Front Panel 72" TMD G Front Panel 60" TMD G Front Panel 60" TMD60-24G-6-1C Front Panel 60" TMD60-24G-6-1-1C Front Panel 60" TMD G-1C Front Panel 60" TMD G-1C Front Panel 60" TMD60-24G-6-2C Front Panel 60" TMD G-2C Front Panel 60" TMD G-1-1C Front Panel 60" TMD60-36TG-4-2C Front Panel 60" TMD TG-2C 19

20 RAISED GRIDDLE BROILER (RESTAURANT SERIES RANGE) Griddle Plate 24" RGB Drain Extension WA RGB Drip Pan Handle RGB Drip Pan Orifice Elbow 3/8-27 x 1/4 npt Orifice #51 NAT Orifice #57 LP Elbow 3/8cc x 3/8-27F

21 RGB Orifice Bracket RGB Front Shield Pilot Tubing Assy Straight Tube Burner RGB Radiant RGB Grease Can Lid RGB Grease Can Assy BG Rack Commercial Knob Manual Gas Valve Pilot Adjustment Valve Flexible Gas Tubing 3/8 x RGB Drip Shield WA 21

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23 GRIDDLE (RESTAURANT SERIES RANGE) Griddle WA 12" Griddle WA 24" Griddle WA 36" Griddle WA 48" Griddle WA 60" Griddle WA 72" Drain Extension WA-Range Grease Can Assy " Grease Can Assy Griddle Grease Can Lid Griddle Thermostat Knob Bezel GriddleThermostat Thermostat Tee Elbow 3/8cc x 1/4 NPT Tee 3/8 cc x 1/4 NPT Flexible Gas Tubing 3/8 x Manual Gas Valve Pilot Adjustment Valve /8 NPT Pipe Plug Elbow 3/8cc x 3/8-27 F Orifice Elbow 3/8cc x 3/ Orifice #48 NAT Orifice #55 LP Air Shutter- H Burner Straight Tube Burner Griddle Burner WA (Bullet) Pilot Tip Assy 23

24 BROILERS: RADIANT & CHAR ROCK(RESTAURANT SERIES RANGE) Lava Rocks

25 Waffle Grate Waffle Grate Support Radiant Support Bracket Broiler Radiant Broiler Grate Heat Shield: CRB " Heat Shield: CRB Heat Shield:RB Griddle Burner WA (H Burner) Broiler Top WA 12" Broiler Top 24" Broiler Top 36" Drain Extension WA-Range Orifice Bracket /8 NPT Pipe Plug Elbow 3/8cc x 3/8-27 F Orifice Elbow 3/8cc x 3/ Flexible Gas Tubing 3/8 x Orifice #39 NAT Orifice #52 LP Commercial Knob 25

26 RBCO: CONVECTION OVEN(RESTAURANT SERIES RANGE) Indicator Light Rocker Switch DPDT-Power Mechanical Thermostat Thermostat Knob-Convection Oven Solenoid Valve Door Micro Switch RBCO Motor Assy RBCO Rack 26

GAS RESTAURANT RANGE MODELS 24L, 36L/LC, 48L, 481L/LC, 148L/LC, 60 L/LC/LCC, 160L/LC, 260L/LC/LCC

CATALOG OF REPLACEMENT PARTS GAS RESTAURANT RANGE MODELS 24L, 36L/LC, 48L, 481L/LC, 148L/LC, 60 L/LC/LCC, 160L/LC, 260L/LC/LCC MODEL 24L 36L/LC 48L 481L/LC 148L/LC 60L/LC/LCC 160L/LC 260L/LC/LCC ML-52947