SCU series wiring center installed in bathroom underfloor heating manifold scene

SCU Series Wiring Center for Underfloor Heating

Centralized control hubs for hydronic underfloor heating — from 5-zone compact homes to 64-zone cascading villas. Wired, wireless, and heating/cooling models available.

Selection Guide

How to Choose Your Hydronic Control Architecture?
Compare specifications across the SCU Series by connection type — wired for new builds with pre-routed cables, wireless for retrofits and wall-chasing-free installation.
Wired and wireless wiring center architecture comparison diagram
Specification Wired Connection Wireless Connection
Zones 5-zone / 8-zone 5-zone / 8-zone / Expandable to 64 zones
Heating/Cooling Heating only / Heating+Cooling Heating only / Heating+Cooling
Heat/Cold Source Compatibility Gas boiler / Heat pump+Chiller Gas boiler / Heat pump+Chiller
Control Voltage 230V / 12V SELV 230V
Ideal For New builds with pre-routed cables, standard homes, radiant heating+cooling Retrofits with no wall-chasing, standard home upgrades, multi-story villa cross-floor expansion

Quick Selection Guide

New builds with pre-routed cables → Wired connection — full physical immunity, full feature set
Retrofits with no wall-chasing → Wireless connection — no wall-chasing, no structural damage
Projects requiring summer cooling / heat pump or chiller integration → Wired connection only SCU211
Cross-floor projects / 8+ zone expansion → Wireless connection only SCU217
Not certain which control architecture applies?
Our engineering team offers complimentary project-specific matching.
英雄卡单列居中样式

System Solutions

Connectivity & Integration

Wired & Wireless Flexibility
SCU Series offers hardwired, RF wireless, and LoRa wireless cascading (SCU217). Choose wired for new builds with pre-routed cables, RF wireless for retrofits without wall-chasing, or LoRa wireless for cross-floor projects. wireless retrofit wiring center.

Universal Component Compatibility
Terminal blocks support circulating pumps, zone valves, thermal actuators, thermostats, hot water timers, and volt-free interlocks. Compatible with various system configurations and boiler/heat pump switching voltages.

Boiler & Pump Protection Interlock
Dry-contact outputs activate primary equipment only when a zone valve is fully open, preventing dry running and short-cycling. Learn more about boiler pump interlock protection.

Centralized control architecture for wiring center with heat pump, boiler and system components

Global Market Readiness

International Compliance Standards
SCU Series complies with international safety and EMC standards for HVAC control equipment. For compliance and OEM manufacturing standards, refer to our wiring centre OEM compliance standards guide.
Universal Voltage Adaptability
Supports diverse regional power specifications, boiler switching voltages, and control signal requirements. Explore our 230V 24V wiring center options for different markets.
Low-Maintenance, High-Reliability Design
Screwless DIN-rail mounting cuts installation time by over 50%. Modular quick-fit structure enables fast replacement and troubleshooting.
Global market compliance certifications for wiring center series
Get in Touch

Contact our friendly customer service team for any questions, concerns, or suggestions. We'd love to hear from you.


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