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General| Type | Air Handler |
|---|---|
| Brand | Lennox |
| Model | CBX25UH |
| Cooling Capacity | Up to 5 tons |
| Airflow | Up to 2000 CFM |
| Refrigerant | R-410A |
| Voltage | 208/230V |
| Dimensions | Varies by model |
| Weight | Varies by model |
| Filter Type | Standard 1" Filter |
| Coil Type | Copper tube with aluminum fins |
| Motor Type | Variable Speed |
Details about delay relays and unit sequence of operation.
Covers weight hazards, sharp edges, explosion risks, and electrical shock.
Addresses condensation, clearance, and accessibility for servicing.
Specifies minimum open area for louvers in closet installations.
Covers check/expansion valve and upflow unit placement.
Details horizontal setup, drain pan, and left-hand discharge.
Steps for removing blower, coil, drain pan, and brackets.
Steps for reassembling coil, drain pan, and access panels.
Explains trap installation for primary and overflow drains, plus venting.
Details the required slope for effective condensate removal.
Covers connecting drain fittings, trap installation, and testing procedures.
Lists filter sizes and discusses high-efficiency filter impact.
Covers supply and return duct connections and insulation.
Emphasizes clean, dry lines and protecting components during brazing.
Alerts to risks from refrigerant ignition and high-pressure gas.
Advises on avoiding vapors, wearing protection, and washing hands.
Details removing panels, plugs, and connecting refrigerant lines.
Outlines nitrogen purging, rag placement, and brazing techniques.
Stresses sealing cabinet openings and plenums to prevent moisture.
Covers shock hazards, grounding, and conductor types.
Explains factory configuration, wiring, and grounding requirements.
Details steps to convert the unit from 240V to 208V.
Illustrates wiring for cooling, heat pump, and electric heat applications.
Outlines safety steps and the process for adjusting blower speed.
Lists checks for installation, wiring, and components before operation.
Details how to verify blower and cooling system functionality.
Instructions for verifying the electric heater operation.
Explains blower delays and sequence for cooling mode.
Describes operation for electric heat and heat pump heating.
Covers filter inspection/replacement and insulation repair.
Specifies conditions for using the unit during building construction.
