IDEAL INDUSTRIES HE9 Servicing Overheat Thermostat Replacement, Thermostat control, On/off switch

Page 36

SERVICING

SERVICING

63 OVERHEAT THERMOSTAT REPLACEMENT

1.

Refer to Frame 61.

4.

Pull off the electrical connections at the thermostat. Remove

2.

Remove the control box fixing screws.

 

the backnut retaining the thermostat to the casing. Withdraw

 

the thermostat phial from the heat exchanger pocket and

3.

Swing the control box down into the servicing position.

 

 

unclip from the casing.

 

 

5.

Fit the new thermostat and reassemble in reverse order.

 

 

6.

Check the operation of the boiler. cla7742

cla7849

64 THERMOSTAT CONTROL, THERMISTOR SENSOR LEAD & ON/OFF SWITCH REPLACEMENT

Refer also to Frame 61.

A. Remove the control box fixing screws

B.Swing the control box down into the servicing position.

Thermostat control

1. Pull the knob off the shaft.

2.Remove the backnut securing the thermostat control to the control

box.

3. Pull off the Molex connector from the printed circuit board.

4.Replace and reassemble in reverse order.

Thermistor sensor lead

5. Pull the sensor lead connector off the printed circuit board and cut the cable strap

securing the thermistor harness to the bottom panel of the control box (if fitted) and remove the strap.

6. Remove the sensor from the

heat exchanger pocket and

unclip from the casing.

7. Remove the strain relief bush

from the back panel base.

8. Remove the sensor lead through the grommet in the

control box.

9. Replace and reassemble in reverse order, ensuring the new cable strap is fitted and securing the thermistor harness.

On/off switch

10.Disconnect the electrical connectors from the rear of the switch.

11.Press in the 2 side retaining clips and remove the

switch.

12. Reassemble in reverse order.

36

classic HE - Installation & Servicing

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Contents Installation and servicing Classic HE Installation & Servicing Document Amendments Key to symbols GeneralGeneral Data HE12 HE15 HE18Classic HE General Introduction Safe HandlingOptional Extra Kits Location of BoilerInstallation from inside only General Boiler Water ConnectionsBoiler Clearances Side and Rear FlueFlue Installation Compartment InstallationsGAS Supply BathroomsGeneral Terminal AIR SupplyWater Treatment Water Circulation SystemLOW Head Installations Electrical SupplyOpen Vent System Requirements Fully Pumped Condensate Drain Refer to Frames 38, 39General Sealed System Requirements Sealed System Requirements Installation Boiler Assembly Exploded viewInstallation Unpacking Unpack and check the contents Pack a ContentsHardware Pack 1 Contents Pack B ContentsInstallation Packaging and Casing Removal Determining the Flue LengthPack Product No Side Outlet Kit Product NoFlue Assembly Exploded View Wall Mounting TemplatePreparing the Wall Cutting the Flue wall thicknesses of 75 to 705mm Cut to length X, refer to FrameRemove any burrs and remove the inner flue support ring Connecting the Flue to the Boiler Wall Mounting PlateMounting the Boiler Without Optional Flue finishing KitFor wall thickness 270mm to 775mm Fitting the Flue Assembly Cutting the Flue For flue lengths 270 to 775mm onlyInstallation Mounting the Boiler Flues over 1 metre longFlue Extension Ducts Fitting the KITRoof Flue KIT Contents / Options FlueInstallation Flue Terminal Position Terminal Position Minimum DimensionFlue Arrangement Installation Assembling the Roof Flue KIT Engagement in the final flue duct sealCondensate Pipe Termination Configurations GAS ConnectionWater Connections Condensate DrainCondensate Pipe Termination Configurations Electrical Connections External ControlsInstallation Pictorial Wiring MID Position Valve Pumped onlyThermostat Blue Black Brown Grey Orange Thermostat PinkInstallation TWO Spring Closed Valve Frost ProtectionBlue Yellow/green Black Orange Brown Violet Red Pink White Installation Commissioning and Testing Fitting the Boiler Casing See diagram A, FrameTo gain access to the gas valve Initial LightingInitial Lighting General ChecksHanding Over Water Circulating SystemServicing Servicing Schedule Boiler Front Panel RemovalBurner and AIR BOX Removal Disconnect the electrical supply and turn off gas supplyServicing Cleaning the FAN Assembly / the Flueways Cleaning the Burner and Pilot AssemblyCleaning the Recuperator Servicing Cleaning the Siphon ReassemblyGAS Pressure Adjustment Replacement of Parts GeneralServicing Overheat Thermostat Replacement On/off switchThermostat control Thermistor sensor leadServicing Limit Thermostat Replacement Flue Protection Thermostat ReplacementPilot Burner Replacement Pull off the two electrical connectionsServicing Ignition Electrode and Lead Replacement Main Burner and Main Burner Injector ReplacementGAS Control Valve Replacement Servicing FAN Replacement AIR Pressure Switch APS ReplacementPrinted Circuit Board PCB Replacement Combustion Chamber Insulation ReplacementHeat Exchanger Replacement Casing Front Seal ReplacementServicing Servicing Siphon Replacement Fault Finding FindingShort List of Parts GC Part No Description Qty Product NoShort List of Parts Short Parts List Installer Notification Guidelines GAS Boiler Commissioning Checklist Service 1 Date Service 3 DateService 5 Date Service 7 DateTechnical Training Certified ProductUsers guide Safety Electricity SupplyImportant Notes Minimum ClearancesControl of Water Temperature CleaningMaintenance To Shut Down the BoilerPoints for the Boiler User
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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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