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Need help?Do you have a question about the HEIL FXM4X and is the answer not in the manual?
Explains the meaning of DANGER, WARNING, CAUTION, and NOTE signal words.
Explains the usage of signal words within the installation manual.
Details how signal words are presented on product labels with colors and pictures.
Details the specifications and refrigerant compatibility of FEM4X, FEM4P, REM4X, FXM4X models.
Mentions cabinet leakage standards and available heater packages.
Guidelines for choosing the installation location, considering support, access, and clearances.
Describes the various ways the fan coil unit can be mounted or positioned.
Details connecting ducts and using gaskets for upflow installation with slope coil units.
Provides dimensions for service clearance and A-coil unit configurations for upflow.
Explains the two-piece modular design for easier installation in tight spaces.
Describes the process of disassembling and reassembling modular units for installation.
Outlines special procedures for downflow conversion, including condensate drain modifications.
Details the required accessory kits (Base Kit, Downflow Kit, Gasket Kit) for downflow installation.
Describes the factory configuration for horizontal left installation.
Explains how to convert the unit for horizontal right installation and proper leveling.
Steps to remove panels and the coil assembly for horizontal right conversion of slope coil units.
Instructions for reassembling the coil assembly and connecting tubing for horizontal orientation.
Steps for disassembling A-coil units, including removing panels and coil assembly.
Details reassembly steps for A-coil, including air seal adjustments and filler plate installation.
Methods for securing the fan coil unit to the structure in manufactured housing applications.
Specifies the minimum clearance required for access panels in mobile home installations.
Instructions for connecting supply air ducts to the unit's supply air opening.
Discusses acoustical treatment for ductwork, including insulation and flexible connectors.
Describes the low voltage circuit protection and how fan speed is selected.
Details supply voltage requirements and adherence to NEC for electrical connections.
Instructions for connecting line voltage power using the Power Plug Kit and grounding.
Guides for wiring the 24V control system, including thermostat and wire gauge recommendations.
Details how to connect the transformer for 230V and 208V operation.
Explains the importance of proper grounding according to NEC and available methods.
States the minimum CFM requirement for units with or without electric heaters.
Guides on selecting motor speed taps and their associated blower off-delay programming.
Instructions for installing refrigerant grade tubing, including insulation and connection types.
Details the process of evacuating the coil and tubing system to 500 microns using a deep vacuum.
Information on the Piston metering device for FEM4P models, including replacement and sizing.
Describes the hard shut-off TXV metering device used in FEM4X and REM4X models for R-410A.
Details the primary and secondary 3/4" NPT drain connections and the need for condensate traps.
Guides on installing drain lines, including pitching, anti-siphon vents, and routing.
Advises on using full-size P-traps for proper condensate drainage, avoiding shallow traps.
Discusses using gravity drains or installing a condensate pump if gravity drain is not feasible.
Provides wiring diagrams for connecting a humidifier to the fan coil and heat pump systems.
Explains how to connect the humidifier and humidistat to the fan coil unit's control system.
Describes the sequence of operations for continuous fan and cooling modes.
Explains the sequence of operations for heat pump heating and auxiliary electric heat modes.
Refers to outdoor unit instructions for system start-up and refrigerant charging.
Outlines routine maintenance tasks, including air filter inspection and condensate drain checks.
Presents tables showing airflow (CFM) for FEM and REM models at various static pressures.
Provides important notes and limitations regarding airflow performance data for the units.
Displays tables detailing FXM model airflow (CFM) at different static pressure levels.
Includes notes and considerations for FXM model airflow performance data.
Provides correction factors for pressure drop based on airflow at dry to wet coil conditions.
Details static pressure drop corrections associated with electric heater elements.
Information on R-410A refrigerant properties, operating pressures, and oil compatibility.
Key precautions for servicing R-410A systems, including vacuum, filter-driers, and brazing.
Introduces My Learning Center as a resource for professional HVAC training.
Provides contact information for inquiries about My Learning Center.
General| Brand | HEIL |
|---|---|
| Model | FXM4X |
| Category | Air Conditioner |
| Language | English |
