FCU Thermostat Not Working? 10 Common Causes and Solutions
2026-06-26 [ Digital Thermostats ]
>> Introduction An FCU thermostat is the control center of a fan coil unit (FCU) system. It regulates room temperature by controlling the fan speed, water valve, and, in some cases, communicating with a Building Management System (BMS......
Honeywell T6861 Replacement Guide: Is BT02-FCU a Suitable Alternative for Modern HVAC Projects?
2026-06-03 [ Digital Thermostats ]
Introduction The Honeywell T6861 has been one of the most widely used fan coil unit (FCU) thermostats in hotels, office buildings, apartments, hospitals, and commercial projects worldwide. As buildings undergo renovations and ......
Common FCU Thermostat Wiring Mistakes in Commercial HVAC Projects
2026-05-12 [ Digital Thermostats ]
In commercial HVAC projects, many FCU thermostat problems are actually caused by wiring mistakes during installation rather than thermostat failure itself. We have seen situations where: ● the fan runs continuously, ● the val......
BACnet vs Modbus Thermostats: Which Protocol is Better for HVAC & BMS Projects?
2026-04-30 [ Digital Thermostats ]
Introduction When selecting a thermostat for a commercial HVAC system, choosing the right communication protocol is just as important as selecting the hardware itself. In many cases, engineers also compare different thermostat options befor......
FCU Thermostat for Hotel Projects: Selection, Wiring & BMS Integration Guide
2026-04-30 [ Digital Thermostats ]
◆ Introduction Hotel HVAC systems rely heavily on fan coil units (FCU) to provide independent temperature control for each room. Choosing the right FCU thermostat is not just about temperature adjustment—it directly affects gue......