An HVAC zoning controller for constant-pressure, variable-airflow zoning and room-temperature control in all-air HVAC systems.
English P01 / EN2.0 · 25 December 2023; Chinese P01 / CN2.1 · 10 January 2024
Multi-zone HVAC control module. Confirm the complete equipment and control arrangement before selection.
Four independent inputs per module
Multi-zone HVAC control module
Project-specific output configuration
Conceptual application overview. It is not a wiring diagram; use the documentation for the exact supplied hardware and configuration.
Dropair ZoneBox — Multi-zone HVAC control module.
The English and Chinese ZoneBox sheets have different revisions. The information above identifies English EN2.0 functions; outputs, hardware, software and load arrangements must be confirmed for the actual module. Do not treat a fuse rating as the complete system supply requirement.
ZoneBox coordinates independent room thermostat demands with dampers and the connected HVAC system. The English product sheet describes four thermostat input channels per module and expansion of the number of control zones. Thermostats can control their own zones while the module coordinates the equipment outputs.
The documented module supports configured damper, heating, cooling, fan and auxiliary dry-contact outputs. AC/DC 24 V damper outputs and optional 0–10 V / PWM outputs are shown. Optional display and MCU functions, custom ports and external output arrangements must be specified for the project rather than assumed to be fitted to every unit.
The English sheet calls for a 24 VAC transformer rated at no less than 50 VA. It also describes heating priority when different areas call for different operating modes. The installer must review thermostat demand logic, actuator voltage, load current, power distribution and the selected control outputs as a complete system.
The English image is P01 / EN2.0 dated 25 December 2023; the Chinese image is P01 / CN2.1 dated 10 January 2024. Download the original-resolution ZIP for readable diagrams and confirm which revision matches the supplied module. The two sheets should not be treated as identical revisions.
ZoneBox Product Manuals — English P01 / EN2.0 · 25 December 2023; Chinese P01 / CN2.1 · 10 January 2024.
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