Description

Function: Control fan coil units with 4 and 2 controls, controllable 0-10V fans, 

with stepless speed regulation function, supporting switch type electric valve and regulating type electric valve control, 

with manual control, and status value query and reply.

◆ Supports control of single-phase fans with up to three fan speeds

◆ Support status value feedback

◆ Supports relay switch position selection after bus voltage disconnection and recovery