There are two main types of installation, with slightly different requirements: parallel and series. This refers to how the Chill is connected to the rest of the central heating (CH) system.
Configuration | Description | Inlet & outlet QuickConnector valves (1, 2) | Radiator valve (3) |
Parallel | Chill is connected directly to the main supply and return | Must be open for operation | Can be open or closed |
Series | Chill is connected on the supply of the radiator | Must be open for operation | Manual: fully open · Thermostatic: remove the knob · Smart: not compatible |
Image 1 (parallel configuration)
Image 2 (series configuration).


