Airzone AZVAF5OUTPUTS VAF Relay Radiant Heat Control Module

Airzone AZVAF5OUTPUTS VAF Relay Radiant Heat Control Module

Expand radiant heat control in your Airzone VAF zoning system with the Airzone AZVAF5OUTPUTS relay output module. Designed for residential and light commercial HVAC applications, this accessory adds robust relay-based control for heating stages, pumps, and boilers — giving installers a flexible solution for radiant heating integration and expanded system logic.

Relay-Based Heating Stage Control

The AZVAF5OUTPUTS module is a dedicated relay control board that interfaces with the Airzone VAF connection bus and main control board to manage multiple heating outputs. Its free-voltage relays allow direct switching of supplemental heating elements in zoned HVAC systems — enabling effective thermal management throughout your installation. 

• Multi-output design: control up to 5 independent heating zones via free-voltage relays

• Demand relay outputs for pump activation

• Demand relay outputs for boiler activation

• Micro-switch identification for easy configuration and diagnostics 

Seamless Airzone VAF Integration

As part of the Airzone VAF ecosystem, the AZVAF5OUTPUTS connects via the Airzone bus to the main control board and other system modules, enabling coordinated heating control. It draws power from the main controller and mounts easily on a standard DIN rail for compact, professional installations. 

• Communicates over shielded, twisted Airzone bus wiring (up to 100 m / 328 ft)

• Ideal for radiant heat or supplemental electric heat applications

• Relay outputs rated up to 24 VAC @ 1 A (dry contact)

• Compact, DIN-rail mountable design simplifies panel wiring and organization 

Advanced Logic & Heating Demand Management

Beyond simple switching, the module supports heat demand logic coordinated with VAF zoning controls. It can trigger auxiliary equipment like circulation pumps and boilers only when needed, helping reduce operating costs and extend equipment life.

Installer-Ready Features

The AZVAF5OUTPUTS is engineered for service-friendly installation:

• Configurable with micro-switch identification to match relay outputs to specific zones

• DIN-rail form factor for straightforward panel integration

• Works as part of an Airzone VAF zoned HVAC system, compatible with zoning controllers, thermostats, and dampers 

Ideal Applications

• Radiant heat staging and control in zoned HVAC systems

• Supplemental heating integration with Airzone VAF zoning

• Demand control for pumps and boilers linked to zoning logic

• Residential or light commercial projects requiring dedicated relay outputs

Package Includes

Airzone AZVAF5OUTPUTS VAF relay radiant heat control module with DIN-rail mounting hardware and Airzone connection bus interface.