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Small white square infrared receiver panel with status indicator light

Mitsubishi

Mitsubishi PAR-SR3LA-E Wireless Receiver for PLA-A Ceiling Cassettes 12 18 24 30 36 42

SKU CH-9JF7-JN895

Wireless infrared receiver enabling handheld remote control of compatible ceiling-recessed cassette air conditioners with on/off status indication

  • TypeHVAC Controls
  • Control ceiling cassettes wirelessly with PAR-FL32MA-E remote
  • On/off indicator light shows operation and error status instantly
  • Built-in cooling/heating switch enables direct unit control
  • Fits PLA-A cassette sizes 12, 18, 24, 30, 36, 42
  • Integrates cleanly into corner panel opposite refrigerant piping

Wireless Receiver for PLA-A Cassettes

The Mitsubishi PAR-SR3LA-E is an infrared signal receiver designed for PLA-A ceiling-recessed cassette air conditioners. It mounts in the corner panel opposite the refrigerant piping and pairs exclusively with the PAR-FL32MA-E handheld remote. Compatible models include the 12, 18, 24, 30, 36 and 42 capacity units. Installers and facility managers use it to add wireless control where a wired controller is not present.

Simple Corner-Panel Mount

Installation consists of seating the receiver into the designated corner pocket of the cassette grille and connecting its harness to the indoor unit control board. No refrigerant work or structural modification is required. The on/off indicator light confirms power and flashes error codes for diagnostics. The most common issue is misaligning the receiver with the remote line of sight, which prevents signal reception and leaves the unit unresponsive.

Steady Infrared Operation

Once paired, the receiver maintains a continuous infrared link with the handheld remote for cooling, heating and stop commands. The indicator light stays illuminated during normal operation and changes pattern only when the indoor unit reports a fault. Because the link is optical, performance does not degrade over long running periods as long as the remote remains within direct view and the receiver window stays clean.

Highlights

  • Control ceiling cassettes wirelessly with PAR-FL32MA-E remote
  • On/off indicator light shows operation and error status instantly
  • Built-in cooling/heating switch enables direct unit control
  • Fits PLA-A cassette sizes 12, 18, 24, 30, 36, 42
  • Integrates cleanly into corner panel opposite refrigerant piping

Specifications

TypeHVAC Controls

Questions about this item

How do I know the PAR-SR3LA-E receiver is working after I install it in the corner panel?

The on/off indicator light shows operation status and signals any error condition so you can confirm normal function at a glance.

What comes with the PAR-SR3LA-E and what must I buy separately to use it?

The package contains only the wireless signal receiver; you must purchase the PAR-FL32MA-E handheld remote separately to control the unit.

Which PLA-A capacity models is this receiver compatible with?

It fits PLA-A ceiling cassettes sized 12, 18, 24, 30, 36 and 42.

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