Page 2 - IMPORTANT FOR YOUR SAFETY
Page 2 of 36 IMPORTANT FOR YOUR SAFETY THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO INSTALL GAS EQUIPMENT, WHO SHOULD PERFORM THE INITIAL FIELD START-UP AND ADJUSTMENTS OF THE EQUIPMENT COVERED BY THIS MANUAL. POST IN A PROMINENT LOCATION THE INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE ...
Page 3 - TABLE OF CONTENTS
Page 3 of 36 TABLE OF CONTENTS GENERAL Introduction Installation Operation Cleaning Lubrication Tools Specifications REMOVAL AND REPLACEMENT OF PARTS Electrical Lockout / Tagout Procedure Gas Lockout / Tagout Procedure Units Mounted On Casters Covers and Panels Manifold Cover Kick Panel Component Re...
Page 4 - CONDENSED SPARE PARTS LIST
Page 4 of 36 Top Burner Adjustment Oven Burner Adjustment Oven Door Microswitch Test Fan Control Switch Test (C Model) Convection Oven Motor Test (C Model) Solenoid Test (C Model) ELECTRICAL OPERATION Component Function Sequence of Operation Wiring Diagrams 120V C Model 208V C Model TROUBLESHOOTING ...
Page 5 - GENERAL; INTRODUCTION; Standard; Electrical
Page 5 of 36 GENERAL INTRODUCTION Procedures in this manual will apply to all models unless specified. Pictures and illustrations can be of any model unless the picture or illustration needs to be model-specific. Before performing maintenance on the equipment, thoroughly read this manual and careful...
Page 6 - Gas Line Pressures; Operating Pressures; REMOVAL AND REPLACEMENT OF PARTS; ELECTRICAL LOCKOUT/TAGOUT; an electrically operated appliance.; procedure can cause property damage, injury or death.; the circuit breaker ON.
Page 6 of 36 Gas Line Pressures Operating Pressures Natural - Recommended (in. W.C.) 6.0 Propane - Recommended (in. W.C.) 10.0 Incoming Pressure Natural - Recommended (in. W.C.) 7.0 min. Propane - Recommended (in. W.C.) 11.0 min REMOVAL AND REPLACEMENT OF PARTS ELECTRICAL LOCKOUT/TAGOUT Electrical L...
Page 7 - soap and water solution (Bubbles; Place the valve in the OFF position.; UNITS MOUNTED ON CASTERS
Page 7 of 36 GAS LOCKOUT/TAGOUT The Gas Lockout/Tagout procedure is used to protect personnel working on a gas appliance. Before performing any maintenance or service that requires gas disconnections, follow these steps: WARNING: All gas joints disturbed during servicing must be checked for leaks. D...
Page 9 - COMPONENT REMOVAL; Rotate the yellow gas shut-off knob to the OFF position.
Page 9 of 36 COMPONENT REMOVAL Oven Control Panel ( S Model) WARNING: Always perform the Electrical Lockout/Tagout procedure before removing any sheet metal panels or attempting to service this equipment. Failure to comply with this procedure can cause property damage, injury or death. WARNING: Perf...
Page 11 - Test the oven to verify proper operation.; PILOT SAFETY VALVE AND TEMPERATURE CONTROL; Remove the pipe nipple from the top of the pilot safety valve.; soap and water; Reverse the procedure to install the pilot safety valve.
Page 11 of 36 5. Tag and disconnect the electrical connectors to the temperature control. 6. Remove the screws securing the gas mount bracket to the oven. 7. Remove the gas mount bracket, pilot safety valve and temperature control assembly from the oven. WARNING: All gas joints disturbed during serv...
Page 14 - Reverse the procedure to install the solenoid.
Page 14 of 36 Solenoid (C Model) WARNING: Always perform the Electrical Lockout/Tagout procedure before removing any sheet metal panels or attempting to service this equipment. Failure to comply with this procedure can cause property damage, injury or death. WARNING: Perform the GAS LOCKOUT/TAGOUT p...
Page 18 - MANIFOLD COVER
Page 18 of 36 Figure 19: Oven Burner Nozzle and Gas Orifice Removal Pilot Quick Disconnect Valve NOTE: The pilot quick disconnect valve is mounted to the gas manifold behind the manifold cover. WARNING: Always perform the Electrical Lockout/Tagout procedure before removing any sheet metal panels or ...
Page 21 - CONTROL PANEL
Page 21 of 36 Top Section Burner Control Valve WARNING: Always perform the Electrical Lockout/Tagout procedure before removing any sheet metal panels or attempting to service this equipment. Failure to comply with this procedure can cause property damage, injury or death. WARNING: Perform the GAS LO...
Page 23 - SERVICE PROCEDURE AND ADJUSTMENTS
Page 23 of 36 Oven Door Microswitch (C Model) WARNING: Always perform the Electrical Lockout/Tagout procedure before removing any sheet metal panels or attempting to service this equipment. Failure to comply with this procedure can cause property damage, injury or death. 1. Perform the CONTROL PANEL...
Page 24 - Apply a soap and water solution to gas joint and check for bubbles.
Page 24 of 36 Gas Leak Check WARNING: All gas joints disturbed during servicing must be checked for leaks. Do not use an open flame. Use a hazardous gas tester or a soap and water solution (Bubbles indicate a gas leak). Failure to comply can cause property damage, injury or death. WARNING: If a gas ...
Page 25 - soap and water solution; replace the manifold cover.
Page 25 of 36 WARNING: All gas joints disturbed during servicing must be checked for leaks. Do not use an open flame. Use a hazardous gas tester or a soap and water solution (Bubbles indicate a gas leak). Failure to comply can cause property damage, injury or death. 7. Perform either: a. If pressure...
Page 26 - Perform the MANIFOLD COVER removal procedure.
Page 26 of 36 propane. e. Repeat step 6a & 6b. f. If pressure drop is still greater than 1/2" W.C., there may be a lack of volume due to too small of a supply line. Check with the gas provider about installing a larger size gas line. WARNING: All gas joints disturbed during servicing must be...
Page 27 - Oven Burner Nozzle and Gas Orifice Check; Test the oven to verify proper operation.
Page 27 of 36 Oven Burner Nozzle and Gas Orifice Check The oven burner nozzle is mounted between the oven gas manifold and the u-burner assembly. If burner operation seems poor and other systems have been checked, remove the burner nozzle and check for blockage or damage as follows: WARNING: Always ...
Page 28 - If the flame is lifting off the burner:; with these items in place.
Page 28 of 36 2. If this does not solve the problem, check the burner for obstructions and clear as necessary. If the flame is lifting off the burner: There is too much primary air. Close the air shutter slightly and retest. NOTE: If the grates, hot tops or oven bottoms have been removed, recheck fl...
Page 30 - Figure 39: Convection Motor Test
Page 30 of 36 4. Place the fan control switch in the ON position. Verify continuity is present between the contacts for wires 62 & 13 and wires 63 & 64. Verify there is no continuity between wires 63 & 61. 5. Place the fan control switch in the COOL DOWN position. Verify continuity is pr...
Page 31 - Reverse the procedures to install the solenoid.
Page 31 of 36 WARNING: Always perform the Electrical Lockout/Tagout procedure before removing any sheet metal panels or attempting to service this equipment. Failure to comply with this procedure can cause property damage, injury or death. WARNING: Perform the GAS LOCKOUT/TAGOUT procedure before ser...
Page 32 - ELECTRICAL OPERATION; Convection Oven Motor
Page 32 of 36 ELECTRICAL OPERATION Component Function Power Cord A three-prong grounding plug that connects the oven to the electrical power source. The oven will not operate unless it is connected to an electrical power supply. Convection Oven Solenoid The solenoid is a normally closed switch that ...
Page 33 - SEQUENCE OF OPERATION
Page 33 of 36 control switch is placed in the ON position. The convection motor should shut off when the oven door is opened unless the fan control switch is placed to the COOL DOWN position. In the COOL DOWN position the oven door microswitch is bypassed so that the convection motor will run while ...
Page 34 - WIRING DIAGRAMS
Page 34 of 36 thermostat and the solenoid. iii. The solenoid will close the gas valve and shutoff gas to the burner. iv. Pilot remains lit. 5. Fan control switch to OFF. A. Power is removed from one side of the convection motor. i. The centrifugal switch will open and power will be removed from the ...
Page 35 - TROUBLESHOOTING; SYMPTOM
Page 35 of 36 TROUBLESHOOTING SYMPTOM POSSIBLE CAUSES Pilot does not remain lit. 1. Low gas pressure. 2. Thermocouple not positioned correctly or malfunctioning. 3. Control valve malfunction. Burner flame too yellow 1. Orifice incorrect size or obstructed. 2. Air Shutter not adjusted correctly. 3. I...
Page 36 - DESCRIPTION
Page 36 of 36 CONDENSED SPARE PARTS LIST PART NO. DESCRIPTION 00-411496-000B1 Rocker Switch 00-411496-000F1 Door Switch 00-405016-00001 Cord, Supply Electric 00-957367-00001 Burner Valve 00-499712-00001 Burner Valve Knob 00-497765-00001 Pilot Quick Disconnect Valve 00-499970-00001 HD Quick Disconnec...