Do you have a question about the Lennox FLEXY II Series and is the answer not in the manual?
Product Type | Air Conditioner |
---|---|
Series | FLEXY II Series |
Refrigerant | R-410A |
Sound Level | As low as 72 dB |
Voltage | 208/230V |
Stages | Multi-Stage |
Guidelines and devices for safe unit transport and movement.
Procedures and requirements for safely lifting the unit using appropriate equipment.
Instructions for removing forklift protections before unit installation.
Essential checks before installing the unit to ensure proper setup.
Site preparation and clearance requirements for unit installation.
Ensuring pipework and conduits are secured, sealed, and insulated.
Required clearances around the unit for service and airflow.
Safety warnings and recommendations for roof frame installation.
Instructions for insulating, counter-flashing, and sealing roof curbs.
Recommendations for proper duct connections to the unit.
Procedures for installing non-adjustable roof curbs.
Details and specifications for adjustable roof curb installations.
Installation details for multidirectional roof curb types.
Specifics for installing return roof curb configurations.
Installation guidance for horizontal return roof curb setups.
Information on installing transition curb components.
Operation and function of the economiser and extraction systems.
Critical safety warnings and preparation steps before commissioning.
Ensuring correct power supply and wiring connections.
Verifying the power supply includes the correct phase configuration.
Verifying drive motors, pulleys, and electrical safety devices.
Step-by-step guide for starting up the unit.
Procedures for powering up the unit and checking fan rotation.
Performing tests like reverse cycle and safety checks.
How to check and adjust drive belt tension for optimal performance.
Procedures for removing, installing, and aligning pulleys.
Methods for achieving correct airflow and pressure balance.
Measuring motor power and adjusting fan speed for site conditions.
Techniques for adjusting pulleys and checking airflow/ESP.
Filter replacement procedures and fault identification.
Operation and start-up sequence for air sock distribution.
Information on the UV light option for bacteria control and safety.
Installation, connections, and freeze protection for hot water coils.
Details on connecting the 3-way valve and system filling.
Methods for preventing coil freezing using glycol or draining.
Information on electric heater types, sizes, and capacities.
Overview of electric heater construction and features.
Installation, checks, and operation of gas burners.
Essential checks before starting the gas burner system.
Details on gas burner types and their specific installation requirements.
Pressure adjustments for gas burner models.
Safety checks, fire-up sequence, and operation procedures for gas burners.
Flowchart detailing the gas burner start-up sequence.
Common faults and solutions for gas burner operation.
Procedures for safely disassembling the gas burner for maintenance.
Operation and adjustment of modulating gas burners.
Procedures for starting up and adjusting modulating gas burners.
Diagrams illustrating electrical connections and components.
Key to symbols and references used in wiring diagrams.
Overall wiring diagram for main power supply and components.
Wiring diagram for the Climatic 50 control unit.
Diagrams for Climatic 50 controller inputs and outputs.
Wiring diagram for the DAD smoke detector system.
Diagrams for general customer connections (TCB/ADC).
Specific wiring diagrams for gas burner configurations.
Wiring diagram for electric heater installations.
Configuration options for logical and analogue input/output boards.
Characteristics and definition of R-410A refrigerant.
Explanation of ASTP protection and its behavior.
Schematic diagrams of refrigeration circuits for different unit types.
Troubleshooting guide for refrigeration circuit issues.
Common issues and solutions for indoor and outdoor fans.
Troubleshooting guide for electric heater and water leaks.
Diagnosing issues with the DC50/DS50 control systems.
General warranty terms, anti-corrosion warranty, and maintenance contract requirements.