CoolMaster Universal VRF Bridge
The 2022 CoolMaster is your universal connectivity and integration device for controlling and managing VRF (Variable Refrigerant Flow) HVAC systems in medium commercial and high-end residential buildings.
CoolMaster Universal VRF Bridge
The 2022 CoolMaster is your universal connectivity and integration device for controlling and managing VRF (Variable Refrigerant Flow) HVAC systems in medium commercial and high-end residential buildings.
Your product of choice for VRF HVAC integration, designed for medium-size deployments with up to 32 VRF/VRV indoor units at the same site. The CoolMaster allows control of all the VRF and VRV system units, it can aggregate units from multiple systems and from various brands, over physical connection lines. It is a truly universal central controller and central integration device for any Manufacturer of VRF HVAC systems. CoolMasterPro is a Plug & Play device, simply unbox it and connect it to your VRF HVAC System. CoolMasterPro can connect with multiple VRF systems, and multiple brands, over multiple physical lines. It enables access to systems’ valuable service data, for integrating locally with Building Management Systems, allowing advanced performance monitoring.
The CoolMasterPro device enables nearly any manufacturer of VRF HVAC (Daikin, Mitsubishi, Samsung, LG, Toshiba, etc.) to be accessible and fully controllable through your control system’s main controller, thermostats, control panels, and mobile app, providing bi-directional communication with real-time feedback. Check your HVAC brand and model compatibility on the CoolMaster webpage. For additional inquiries check out the CoolMaster Resources here for access to installation guides, how to use and configure, short setup videos, and more.
Features
- Pre-existing control system drivers for simple integration
- Native SDDP support for seamless connectivity
- Support for all VRF systems, including Daikin, Mitsubishi, LG, Samsung, Hitachi, Gree, Fujitsu, Toshiba, Carrier, Midea, Trane and others
- Open-standard communication protocols to integrate with any Building Management Systems (BMS) over Bacnet, Modbus and ASCII-based protocols
- Touchscreen display for simple device configuration and centralized control of the VRF system
- Quick and easy initial setup/configuration
- Free Intuitive Mobile App for remote control of each zone and Basic Diagnostics of the VRF system are included
- Native Integration with leading cloud-based smart services, including Google Assistant, Amazon Alexa, HomeBridge and HomeKit, and many more
- Enables access to the CoolAutomation Professional Application Suite for multi-site dashboards

Automatic Driver Detection
- Native SDDP communication for Control4 Integration.
- Native HomeAutomation drivers for easier integration into other HomeAutomation systems (Crestron, Savant, RTI, Lutron HomeWorks, and others).

Open-Communication Protocols
Included communication otions for:
- Modbus RTU
- Modbus TCP/IP
- Bacnet MSTP
- Bacnet IP
- ASCII
- Rest API

Interfaces Available
- Flexible connection options for all Major Home Automation systems
- Interfaces included: RS232, RS485, Ethernet, Optional KNX*
*Contact CoolAutomation for KNX version

Multiple HVAC Communication Ports
- Multiple HVAC Communication lines available, for connecting multiple systems at the same time
- Multi-brand HVAC support

Simple to Use
Touch screen display for local & simple device configuration, including centralized control of the VRF HVAC system

Universal
Supports multiple languages, temperature scales, and multiple power supply options

- Multi-zone and multiple units support for individual zone control from a single centralized device
- Up to 32 indoor units per CoolMaster device

Easy to set up and re-configure for communication with different HVAC manufacturers

Complete Cool Compatibility
Line-up of Cool devices and HVAC control options from CoolAutomation - to cover nearly any Climate control integration project, residential and commercial.

Cool HVAC Devices
With support for a variety of leading brands Cool Component devices create a bi-directional communication bridge between the HVAC system and the control systems.
CO-COOLMASTER |
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Min load: 5V/175mA(via mini USB); 12V/120mA; 24V/70mA Max load: 5V/300mA(via mini USB); 12V/200mA; 24V/120mA |
Ambient temperature: -10°C ~ 60°C / 14°F ~ 140°F Humidity: 0% ~ 96% non-condensing |
Direct HVAC conenction: Connection to the 2 wired HVAC bus MODBUS (A / B): RS-485 communication line Ethernet: 100Mbps RS-232: DB9, 9600Bps, ASCII USB Host: 12Mbps USB Device: 12Mbps |
6.14" x 4.32" x 1.39" |
Power |
Operating Temperature |
Communication |
Dimensions (W x H x D) |
Manuals and Guides
Distributed Brand Warranty
We want to make our Third-Party Partner program as easy as possible. That’s why we process all claims directly, without any third party telephone tag. Specific warranty terms and details from the manufacturer can be found here.
Keycap engravings
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