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Details the HI-SPEC J65 warm air heater, its output, and compliance.
Lists the Building Regulations and British Standards the appliance adheres to.
Specifies minimum clearances for installation compartments and service access requirements.
Outlines requirements for airing cupboards and under-stairs installations.
Details minimum air vent areas for proper ventilation and combustion, including extract fan impact.
Covers the requirements for return air duct size, material, installation, and access.
Details duct insulation, design principles, and base duct installation for warm air delivery.
Covers flue sealing, support, material, verticality, and the calculation method for flue sizing.
Details special considerations for external flues, terminals, and pre-installation flue performance tests.
Details mains supply connection, thermostat location, and wiring for both models.
Outlines gas supply pipe requirements, union gas cock fitting, and leak detection.
Initial checks, preparation, system balancing, and step-by-step burner ignition.
Performs main burner pressure test, temperature rise check, and verifies automatic controls.
Performing gas leak checks and flue spillage tests for safety assurance.
Verifying fail-safe operation, limit switch, and re-ignition after power interruptions.
Explains operation of controls, maintenance, and safety for both building states.
Step-by-step guide for regular servicing, including cleaning and inspections.
Procedures for removing and replacing burner assembly, main injectors, and pilot burner system.
Steps for removing Multifunctional Control, Piezo Unit, and related connections.
Procedures for removing the air circulation fan and electrical assembly.
Steps for removing electronic module and transformer on Modairflow models.
Procedures for removing Time Control, Fan Delay, Limit Switch, Airflow Sensor, and TTB.
Steps to access and remove heat exchanger baffles, end caps, and access panels.
Preliminary checks and safety warnings for electrical fault diagnosis.
Lists symptoms like pilot failure, burner issues, and their potential causes.
Addresses fan issues, noise, and troubleshooting for Modairflow/non-Modairflow models.
Flowcharts for diagnosing fan failure and burner cycling in Modairflow models.
Flowchart for diagnosing the main burner not operating.
Flowchart for diagnosing premature burner cycling.
Flowcharts for short burner firing and continuous fan operation issues.
Electrical wiring diagram for Modairflow models, showing component connections.
Electrical wiring diagram for non-Modairflow models, showing component connections.
Functional diagram illustrating system operation and signal flow for non-Modairflow.
Functional diagram illustrating system operation and signal flow for Modairflow.
Provides detailed physical dimensions, including plan and base views, of the HI-SPEC J65 unit.
Requirements for installers regarding competence, regulations, and documentation.
Guidelines for customer interaction, explanation, and support from installers.
Checks for control settings, zone valves, and system balancing.
Records burner pressure, heat input, temperature difference, and confirms installation compliance.
General| Model | HI-SPEC J65 |
|---|---|
| Manufacturer | Johnson & Starley |
| Fuel Type | Natural Gas |
| Flue Size | 100 mm |
| Electrical Supply | 230V ~ 50Hz |
