SERVICING

 

54 FAN REPLACEMENT

 

 

1.

Refer to Frame 52.

Orifice plate

 

2.

Remove the boiler front and sealing

Gasket

7

 

panels. Refer to Frames 45 & 46.

3

3.Disconnect the electrical leads from the fan.

4. Unscrew the gas pipe union

 

4

connection to the injector housing.

5

 

 

5. Unscrew and remove the screw retaining the fan mounting bracket.

6. Remove the fan and venturi assembly.

7. Remove the 3 screws and remove the venturi assembly, noting the orientation of the venturi in relation to the fan body.

8. Transfer the venturi assembly to the new fan, replacing the gasket if evidence of damage or deterioration is visible.

9. Fit the new fan / venturi assembly.

Ecl 2336

10.Reassemble the boiler in reverse order, taking care not to overtighten the screw on the fan mounting bracket.

11.Check the operation of the boiler. Refer to Frame 52.

SERVICING

55 BURNER REPLACEMENT

1.Refer to Frame 52.

2. Remove the boiler front and sealing panels.

4

Refer to Frames 45 & 46.

 

3.Remove the fan assembly. Refer to Frame 49.

4. Remove the 6 screws securing the burner (the

3 screws at the rear are extended to ease access).

5. Lift off the burner from the combustion chamber.

6.Fit the new burner, replacing any damaged or

deteriorating sealing gasket.

7. Reassemble in reverse order.

8. Check the operation of the boiler. Refer to Frame 52.

Note. Take care not to disturb the ionisation probes at the front and rear of the combustion chamber.

5

6

Ionisation Probes

icos - Installation & Servicing

37

Page 37
Image 37
IDEAL INDUSTRIES HE18 Servicing FAN Replacement, Burner Replacement, Refer to Frame, Remove the boiler front and sealing

HE12, HE15, HE18, HE24 specifications

The IDEAL INDUSTRIES HE series, comprising the HE24, HE18, HE15, and HE12 models, represents a significant advancement in the field of electrical testing and measurement tools. These versatile testers stand out in professional environments for their high accuracy, user-friendly interfaces, and advanced features designed to enhance efficiency and reliability in electrical inspections.

The HE24 is the flagship model, boasting an extensive range of functionalities. It includes advanced digital multimeter capabilities, allowing for precise measurements of voltage, current, and resistance. Its True RMS feature ensures accurate readings, even with non-linear loads. The HE24 also incorporates advanced connectivity options, including Bluetooth technology, enabling users to transfer data wirelessly to smartphones or tablets for further analysis. The large, backlit display enhances visibility in various lighting conditions, making it an ideal tool for both indoor and outdoor use.

The HE18 model, while slightly more streamlined than the HE24, still offers robust capabilities. It features multiple testing modes, including continuity and diode testing, catering to a wide range of electrical tasks. The HE18 also utilizes a user-friendly interface, allowing technicians to navigate easily through various functions. Equipped with a protective rubber housing, this model is durable and built to withstand the rigors of frequent use on job sites.

The HE15 and HE12 models represent the compact, entry-level offerings in the HE series. Designed for the budget-conscious user, these models retain essential functionalities such as basic voltage and current measuring capabilities while prioritizing ease of use. The HE15 includes a simple LED indicator to signal when measurements are being taken, promoting straightforward operation. Additionally, the HE12 features a lightweight design, making it the perfect tool for on-the-go technicians.

All models in the IDEAL INDUSTRIES HE series are engineered with safety in mind, adhering to stringent international testing standards. They provide superior insulation resistance and a high degree of accuracy, mitigating the risks associated with electrical work. Furthermore, their IP-rated enclosures ensure protection against dust and moisture, enhancing longevity.

In conclusion, the IDEAL INDUSTRIES HE24, HE18, HE15, and HE12 series represent a comprehensive range of electrical testing tools that cater to professionals' varied needs. With their combination of advanced features, user-friendly designs, and safety compliance, these models are excellent choices for any electrical technician aiming for accuracy and efficiency in their work.