Heatmaster 120 TC, Installation, Operation And Maintenance Instructions, Page: 7 / 68

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HeatMaster TC :
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USER'S GUIDE
To get additional information on how to use the MCBA and the installer-specific settings, refer to the
boiler System Control manual.
General remarks
• The end user is allowed to carry out the set-up mentioned in the following pages.
Any other setup must be carried out by an approved installer.
• If a fault occurs, the MCBA disables the appliance and displays an error code: the
display flashes and the first character is "
E
" followed by the fault number.
- Reset the appliance by pressing the
"
RESET
"
key of the MCBA interface.
- If the error code shows again, contact your installer.
PARAMETER SETTING
The end user is allowed to perform some of the settings: turn on/off the domestic hot water (DHW-)/
heating function and define the required temperature of the DHW/heating circuits.
Using a special maintenance code to be entered in the MCBA interface, the qualified installers can
access parameters and therefore adjust the boiler settings to specific requirements. The parameters
are normally factory-preset for all normal applications.