The Technical Support Manual provides model identification, wiring diagrams, parts lists, exploded drawings, and airflow performance data for the…
This manual supplies detailed information for installing, servicing, and troubleshooting the FXM4X fan coil family. It includes safety warnings, model‑number identification, wiring diagrams, a complete parts list, exploded drawings, and airflow performance charts.
Safety signal words (DANGER, WARNING, CAUTION, NOTE) are defined, and static‑pressure correction tables are provided to adjust performance when using wet coils. The document also lists nominal capacities, refrigerant type, motor type, and voltage options for each model variant.
| Nominal capacity (FXM4X1800) | 18,000 BTUH (1.5 tons) |
|---|---|
| Refrigerant | R‑410A |
| Motor type | High‑efficiency ECM |
| Voltage options | 208/230 V single‑phase or 3‑phase |
DANGER indicates immediate hazards that can cause severe injury or death; WARNING indicates hazards that could cause severe injury or death; CAUTION indicates hazards that may cause minor injury or property damage; NOTE highlights suggestions for better installation, reliability, or operation.