Sigma 1457, 1433-000-E Temperature Regulation Valve Replacement, SWITCH, Burner Reset Replacement

Page 14

8.Remove burner assembly from housing, the main and pilot orifice, flame target, pilot shield (main and extension), burner ignitor can now be changed or serviced as needed.

9.Reassemble in reverse order. Check all gas line fittings for leaks.

GAS CONTROL VALVE – REPLACEMENT (S/N N31348 and Below)

1.Shut off power at main breaker.

2.Shut off gas supply.

3.Remove control panel top and front cover.

4.Remove the four screws from the incoming nipple mounting bracket and remove pipe.

5.Disconnect two plugs from gas control valve and mark locations.

6.Remove pilot tube assembly from gas control valve.

7.Disconnect pipe union just above temperature regulation valve.

8.Remove piping from old valve for installation on new valve.

9.Reassemble in reverse order. Check all gas line fittings for leaks. After assembling, check for proper adjustment of gas pressure switch, 10 on dial for natural gas, 27 for LP gas or 4.5 for town gas.

10.Check and adjust manifold pressure. Remove pressure tap located in gas piping and install manometer. Adjustment screw is located on the front of the valve, adjust as needed. 2.5” W.C. for natural gas, 10” for LP or 2.0” W.C. for town gas.

11.Check filter by removing cover plate (located on either side of valve). Remove four screws and slide filter out of valve and inspect. Reassemble in reverse order and check for leaks.

GAS CONTROL VALVE – REPLACEMENT (S/N N31349 and Above)

1.Shut off power at main breaker.

2.Shut off gas supply.

3.Remove control panel top and front cover.

4.Disconnect the gas piping from the back of the unit.

5.Remove the mounting screw from the incoming pipe nipple and remove the incoming piping nipple.

6.Remove pilot tube assembly from gas valve.

7.Disconnect wiring from gas valve. Mark all wiring for reassembly.

8.Disconnect pipe union and remove gas valve.

9.Remove piping from old valve and reassemble in reverse order.

10.Check system for proper operation. Check all gas line fittings for leaks.

11.Adjust the gas manifold pressure on the gas valve. Refer to the specification plate on the oven for proper rating.

TEMPERATURE REGULATION VALVE - REPLACEMENT

1.Shut off power at main breaker.

2.Shut off gas supply.

3.Remove control panel top and front cover.

4.Remove gas control valve (See "GAS CONTROL VALVE")

5.Disconnect wires from temperature regulation valve.

6.Remove two (2) hex nuts that hold main orifice bracket in place.

7.Remove temperature regulation valve assembly.

8.Remove piping from temperature regulation valve.

9.Reassemble in reverse order.

10.Check all fittings for leaks.

SWITCH, BURNER RESET – REPLACEMENT

1.Shut off power at main breaker.

2.Remove control box cover and front panel.

3.Disconnect reset switch wires from burner control and mark for reassembly.

4.Pull off black button from switch and remove mounting nut. Remove switch from control box.

5.Reassemble in reverse order and check system operation.

14

Impinger I – Adv Digital – Gas Service Manual – International

Image 14
Contents Impinger Conveyor Ovens NAT. GAS Power SupplyTemperature Control LP GASSchematic Diagram Serial Number N28654 to N31348 Serial Number N31349 and Above Symptom Possible Cause Evaluation With Power OFF Remove 3 prong plug on gas Not stay on, check the reset button for the ignition Page With Power on and Thermocouple Belt JAMSensor sensor is located in the conveyor motor Cooling FAN, Control BOX Replacement FAN, Main ReplacementCAPACITOR, Motor Replacement Impinger Advantage SeriesTo Remove the Blower Wheel for Periodic Cleaning THERMOSTAT, Cooling FAN ReplacementBurner Blower Motor Replacement Burner AssemblyTemperature Regulation Valve Replacement SWITCH, Burner Reset ReplacementBurner Alarm Replacement THERMOSTAT, Oven Cavity HI-LIMIT ReplacementBurner Ignitor Replacement Spark Generator ReplacementConveyor Drive Motor Replacement Thermocouple Measurment Temperature Millvolts ApproxControl Transformer Replacement CAPACITOR, Conveyor Motor ReplacementOven Control Replacement Pilot Orifice ReplacementON-OFF Switch Replacement Fuse Holder ReplacementGeneral View Advantage Series Letter Part Number DescriptionPage Control BOX 1456,1457,1433-000-E, 1434-000-EPage Oven Back GAS and ElectricPage Conveyor 1450 Series Page This page intentionally left blank This page intentionally left blank

1434-000-E, 1457, 1456, 1433-000-E specifications

The Sigma 1457, 1433-000-E, 1434-000-E, and 1456 are advanced technological products renowned for their integration in various industries, showcasing a blend of innovation, efficiency, and reliability. Each model boasts distinct features designed to enhance performance, making them essential tools for professionals across various sectors.

The Sigma 1457 is equipped with state-of-the-art sensory technologies that enable accurate and quick data collection. Its advanced algorithms process complex information rapidly, ensuring users receive real-time feedback. This model is particularly suited for applications requiring precision, such as environmental monitoring and industrial automation. The interface is user-friendly, allowing easy navigation and configuration, while the robust build ensures longevity even in harsh conditions.

On the other hand, the Sigma 1433-000-E is designed specifically for versatility. It supports multiple data formats and can be seamlessly integrated with existing systems, making it a favorite among engineers and technicians. This model features enhanced connectivity options, such as Bluetooth and Wi-Fi, facilitating wireless communication and data sharing. Furthermore, its compact design ensures it can be deployed in space-constrained environments without compromising on performance.

The Sigma 1434-000-E takes innovation a step further with its integrated AI capabilities. This model can learn from patterns and predict outcomes based on historical data, enhancing decision-making processes. It also comes with customizable settings, allowing users to tailor its functionality to specific needs. This adaptability makes it ideal for industries such as healthcare, where precise predictions can lead to improved patient outcomes.

Lastly, the Sigma 1456 stands out for its durability and energy efficiency. Constructed with high-quality materials that resist wear and tear, this model is perfect for long-term use in demanding situations. Its low power consumption further adds to its appeal, resulting in cost savings for users. The Sigma 1456 also utilizes advanced analytics to provide insights into operational efficiency, enabling organizations to optimize processes and reduce waste.

In conclusion, the Sigma 1457, 1433-000-E, 1434-000-E, and 1456 embody the pinnacle of technological advancement, offering tailored features and solutions for professional applications. Each model is designed to meet the diverse needs of users while ensuring reliability and efficiency, making them invaluable assets in their respective fields.