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General| Brand | Lennox |
|---|---|
| Model | ROOFTOP FLEXY FCK 190 |
| Category | Air Conditioner |
| Language | English |
Ensures equipment is received in good working order, checking for damage and correct contents.
Checks required before installation, including space, surface, power, and access.
Information on the installation surface and required clearances for airflow.
Checks before connecting power: supply, electrical connections, motors, pulleys, belts.
Procedure for powering up the unit with the isolating switch, including fan rotation checks.
Adjusting pulley and belt settings to rectify ductwork system resistance.
Specific procedure for balancing FX models with adjustable grills.
Step-by-step guide for removing, cleaning, and installing filter cells.
Checks for gas supply line, pressure, voltage, and vents before burner commissioning.
Describes the burner ignition sequence, including fan start, pressure switch, and flame detection.
Diagnosing and resolving common gas burner problems like fan failure or no flame.
Procedures for reading and setting dates, times, variables, and setpoints.
Details on fixed keys (Page Down/Up, Structure, Previous Screen) and modification mode.
Setting the unit's on/off status and defining five daily operating time slots.
Provides compressor protection against frequent restarts (anti-short cycle) and equalizes operating times.
Manages defrosting of the outside coil for heat pump and air condensation units.
Wiring diagrams for the Climatic™ controller, including input and output connections.
A table listing safety and error codes from 000 to 147 with brief descriptions.
Detailed explanations for error codes such as Wrong Air Flow, Dirty Filters, and Supply Air Overtemperature.
Describes safety system activations for room over/under temperature and humidity limits.
Details faults related to refrigeration systems, including condenser and pressure transmitter issues.
Covers safety mechanisms for high and low pressure conditions in compressors.
Checks to perform before calling for assistance, including power, filters, fans, and compressors.
Troubleshooting common faults like no airflow, fan stops, and compressor issues.
Addresses problems like the unit not working, fan running without compressor, and low refrigerant.
Guidance on cleaning washable filters and the impact of blocked filters.
Procedures for cleaning internal evaporator and external condenser coils.
Annual inspection of refrigerant circuits, including charge and temperature checks.
Details on warranty coverage, period, and exclusions for design faults.
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