VRF control solutions

Configurable Multi-brand VRF Controls

Two configurable approaches for multi-brand VRF projects: a wall thermostat with field-selectable brand protocol, and a VRF-to-RS485 Modbus gateway for automation or centralized control.

Check Compatibility VRF Thermostats

These are not one-size-fits-all products. ACMELEC loads or selects the applicable protocol only after confirming the air-conditioner brand, complete indoor-unit model and communication terminals.

Choose by control objective

Choose S20 when the project needs a visible wall thermostat and Tuya smart control. Choose AcmeLink_GW when the project needs RS485 Modbus integration, automation control or a separate compatible wall interface.

Two product routes

Configurable VRF products

VRF Thermostat

S20 Configurable Multi-brand VRF Thermostat

Field-configurable thermostat platform with 2-, 3- and 4-wire interface options, Tuya connectivity and multiple wall-panel designs.

Configuration: Bluetooth protocol loading
Use: Wall thermostat

VRF Gateway

AcmeLink_GW Multi-brand VRF to Modbus Gateway

Brand-matched VRF/VRV interface that converts supported native communication to RS485 for wall controls and automation systems.

Output: RS485 Modbus
Use: BMS and centralized control

Required before quotation

Send three compatibility details

This prevents incorrect firmware or wiring selection.

Air-conditioner brand and complete indoor-unit model
Photo or designation of the communication terminals
Required control route: wall thermostat, Tuya app, RS485 Modbus or BMS

FAQ

Compatibility questions

Does one unit work with every VRF brand automatically?

No. The hardware platform is configurable, but the correct brand protocol and wiring must be selected for the actual indoor unit.

Which brands can be considered?

The supplied compatibility references cover many major VRF brands, including Daikin, Mitsubishi Electric, Mitsubishi Heavy Industries, Hitachi, Toshiba, Panasonic, Hisense, Haier, Midea, Gree, York and LG. Exact support remains model-specific.