Connecting the calorifier sensor/thermostat
A calorifier sensor or thermostat can be connected to the Tdhw terminals
of the connector.
1. Connect the plug from the calorifier sensor or calorifier thermostat to
the Tdhw connector.
Blocking input
The boiler has a blocking input (Normally Closed contact). This input
relates to the BL terminals of the connector.
If this contact is opened, the boiler will be blocked or locked out.
Change the function of the input with parameter setting AP001.
Important
First remove the bridge if this input is used.
Warning
Only suitable for potential-free contacts.
For more information, see
CU-GH08 control unit settings, page 85
Release input
The boiler has a release input (Normally Open contact). This input relates
to the RL terminals of the connector.
If this contact is closed when there is a heat demand, the boiler will be
blocked after a waiting time.
Change the waiting time of the input with parameter setting AP008.
Fig.37
Connecting the calorifier sensor/
thermostat
Fig.38 Blocking input
BLR-Bus RL Tout Tdhw
AD-0001234-02
Fig.39 Release input
BLR-Bus RL Tout Tdhw
AD-0001235-02
6 Installation
40 AMC 7686707 - v.01 - 06092018
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