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Series vs. parallel configurations

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).

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