The part Fujitsu UTD-ECS5A is an optional External Control/Connector Kit designed for use with ducted and concealed indoor unit systems. Here’s a detailed breakdown of what it is, how it’s used, and how it might fit into your service/solutions strategy.
What it is
The UTD-ECS5A is listed by Fujitsu as an “External Control Set (for indoor units)” under their optional parts catalogue.
According to the installation manual, it’s a wire/connector kit designed to give the indoor unit additional external control interface capabilities.
One summary description: “The wire kit for our Slim Duct models … can be used for emergency-shutdown, fresh-air control, aux heat, or turning the unit on and off remotely.”
What it suits / Application scope
Given your business context (service, solutions channel, value-added integration), here are how and where the UTD-ECS5A can be applied:
Indoor ducted/hidden units: It appears tailored for concealed duct or slim-duct indoor units (rather than simple wall-mounted units). For example one description: “Connector wiring kit … for Fujitsu ARU*RLF Concealed Duct Mini Split Indoor Units.”
External control requirement: It enables external control interfaces beyond the standard remote control. That means you could integrate the indoor unit into larger systems:
External ON/OFF or forced stop signals (e.g., via building management, fire system interface, key-card systems).
Status output signals (e.g., unit running/not running, fault status) back to a service panel or BMS.
Auxiliary heater or fresh-air integration: Some descriptions reference “aux heater control” and “fresh air control”.
Suits models
| DUCTED |
| ARTC90LATU |
| ARTC72LATU |
| ARTG24LMLC |
| ARTG30LHTAC |
| ARTG36LHTA |
| ARTG45LHTA |
| ARTG30LHTA |
| ARTG36LHTB |
| ARTG45LHTB |
| ARTG45LHTAC |
| ARTG54LHTC |
| ARTG36LHTAC |
| ARTG60LHTA |