Connecting a three-way valve
Connecting a three-way valve (230 VAC) per zone (group).
The three-way valve is connected as follows:
= earth
N = neutral
= open
= closed
Connecting the pump with a protection thermostat
Connecting a pump with a protection thermostat, e.g. for underfloor
heating. The maximum pump power consumption is 300 VA.
Connect the pump and the protection thermostat as follows:
= earth
N = neutral
L = phase
= protection thermostat (remove bridge)
Connecting a domestic hot water (DHW) pump
Connecting a domestic hot water (DHW) pump The maximum power
consumption is 300 VA.
Connect the pump as follows:
= earth
N = neutral
L = phase
Connecting an outside sensor
An outside sensor can be connected to the S out terminals of the
connector. In the case of an on/off thermostat, the boiler will control the
temperature with the set point from the internal heating curve.
Fig.42
Three-way valve
Fig.43 Pump with protection thermostat
Fig.44 DHW pump
Fig.45 Outside sensor
6 Installation
7686707 - v.01 - 06092018 AMC 43
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