How two underfloor heating controllers work together

Nowadays, many people's houses are two-storey. In order to more effectively control the floor heating system of a large area, or control the floor heating system of different areas, sometimes one underfloor heating controller is not enough, and often two or more underfloor heating controllers are needed to be used together. However, when there is only one boiler in the home, how to control two floor heating control boxes to work together at the same time to achieve heating for the whole house? This article will show you how to wire this up.

The first important thing is to connect the wires correctly. So please install it by professional engineers.

If the user is using our CCT-28 wired underfloor heating controller, the wiring method should be installed and used according to the following figure in the left; and if the user is using our CCT-28-X wireless underfloor heating controller, the wiring method should be installed and used according to the following figure in the right: 

CCT-28 Wired underfloor heating controller

CCT-28-X Wireless underfloor heating controller

Hope the information on above can help users to solve their problems about 2 floor heating with 1 gas boiler heating sourse system. And clients can choose wired or wireless underfloor heating controllers based on their needs.