SERVICING

55 CLEANING THE FAN ASSEMBLY / THE FLUEWAYS

1.Remove the air pressure switch and CO/CO2 sensing pipes.

2.Disconnect the electrical connections.

3.Remove the 2 fan fixing screws and remove the fan by pulling forward.

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3

4.Pull off the two electrical connections to the flue protection thermostat.

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5.Slacken the two M5 nuts on the front tie rods, releasing the tie rods from the combustion chamber.

6.Unhook the rear collector hood tags and remove collector hood.

7.Remove the flue baffles.

8.Remove all loose deposits from the heat exchanger, particularly between the fins, using a suitable brush.

9.Check that the fan impellor runs freely. Remove any debris from the impellor with a soft brush.

10.Re-assemble in reverse order.

56 CLEANING THE BURNER AND PILOT ASSEMBLY

SERVICING

1.Brush off any deposits that may have fallen on to the burner head (ensuring the flame ports are unobstructed) and remove any debris that may have collected.

Note. Brushes with metallic bristles must not be used.

2.Remove the main burner injector and ensure there is no blockage or damage. Clean or renew as necessary.

3.Refit the injector, using an approved jointing compound sparingly.

4.Inspect the pilot burner and ignition / detection electrode. Ensure that they are clean and in good condition.

Check that:

a.The pilot burner injector is not blocked or damaged. Refer to Frame 67 for removal details.

b.The pilot burner is clean and unobstructed.

c.The ignition / detection electrode is clean and undamaged.

d.The ignition / detection lead is in good condition.

e.The spark gap is correct (refer to Frame 67) Clean or renew as necessary.

Note. The pilot shield is located around the pilot assembly bracket and is located by the electrode retaining nut.

57 CLEANING THE RECUPERATOR

1.Remove the 2 rubber grommets to gain screwdriver access to remove the side tie rods retaining the combustion chamber and remove the tie rods. Also remove the two front tie rods.

2.Remove the combustion chamber.

3.Remove the sump rubber hose connection.

4.Unclip the two side sump retention clips and remove the sump.

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5.Clean the sump of any debris.

6.Clean between the recuperator fins with a suitable strip of steel.

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7.Re-assemble in reverse order, ensuring rubber grommets are replaced.

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classic HE - Installation & Servicing

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IDEAL INDUSTRIES HE12, HE9, HE18 Servicing Cleaning the FAN Assembly / the Flueways, Cleaning the Burner and Pilot Assembly
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HE12, HE15, HE18, HE9 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.
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