DIP Switch Configuration
The default application has been designed to run with a wide range of typical fan coil units. Application adjustments are made with the S3 CFG DIP switch. The FCU application provides the following configurable modes:
pipe mode;
2-stage heating;
2-stage cooling;
heating/cooling control mode;
CV temperature source;
fan type.

CFG DIP switch
The status of DIP switch configuration is presented in the Dip_Switch_Configuration network variable.
The DIP switch function is presented in the table below:
No. | Name | On | Off | Default | |
---|---|---|---|---|---|
1 | Pipe mode | 2-pipe | 4-pipe | 4-pipe | |
2 | Heating 2nd stage | Enable | Disable | Disable | |
3 | Cooling 2nd stage | Enable | Disable | Disable | |
4 | Heating/cooling control mode | Analog | Digital | Digital | |
No. | Name | Switches configuration | Function | Default | |
5 | CV temperature source | 5-Off | 6-Off | LCD panel | LCD panel |
5-Off | 6-On | Room sensor SI3 | |||
6 | 5-On | 6-Off | Air return temp SI1 | ||
5-On | 6-On | Slave | |||
7 | Fan type | 7-Off | 8-Off | Analog 0-10 V | 3-speed |
7-Off | 8-On | 1-speed | |||
8 | 7-On | 8-Off | 2-speed | ||
7-On | 8-On | 3-speed |