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Idiomas disponibles
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The terminal connection block is accessed after removing the boiler front panel . The supply cable should be safely routed to
this point through the cable entry point on the right hand bottom of the boiler.
CAUTION: A mains voltage at the incorrect plug terminal can destroy the electronics.
i
Make sure the connectin cables are securely fastened to the plug terminals.
Wiring External Controls
It is recommended that the boiler is controlled by an external control such as a time clock or room thermostat or a
combined programmable room thermostat such as the Gabarrónmodel CTP-10.
CAUTION: The switching connection of this control should be VOLT FREE and connected to the terminals
indicated 'TA' on the PCB. The factory fitted link across these terminals must be removed.
The boiler's automatic power modulation feature is activated by the initial interruption of this switching link.
4.11 ROOM THERMOSTAT CONNECTION
A 'volt free' room thermostat can be connected to regulate heating installation. To take advantage of the modulation
feature of MAS Boiler, the use of a room thermostat is required.
Connect the room thermostat across the terminals marked 'TA' on the PCB. See "12 WIRING DIAGRAMS".
4.12 OUTDOOR NTC TEMPERATURE SENSOR CONNECTION
An outdoor temperature sensor must be fitted to the boiler to activate the auto heating regulation depending on the
outdoors temperature.
Connect a NTC sensor (10kΩ - 25ºC) across the terminals marked T.EXT on the PDC. See "12 WIRING DIAGRAMS".
5 COMISSIONING
5.1 INSTALLATION PARAMETERS
These parameters must be adjusted by the installer to match the requirements of the installation.
To access to installation parameters menu – with front display OFF, press and hold the
least 5 seconds.
To move forward or backward through the menu use the
To modify a parameter, press the
buttons. To confirm the new setting, press the
and
button to display the current setting, modify the setting as required using the
button once.
31
and
buttons respectively.
buttons together for at
and
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