Mikrofill ETHOS 90 - Commissioning; Gas Conversion & Cascade Setup

COMMISSIONING
TECHNICAL DOCUMENTATION 31
CASCADE SET-UP
CONVERSION FROM NATURAL GAS TO PROPANE
For the ETHOS 90, a 6mm throttle ring will be required. This should be installed between the gas valve and the
venturi. After the conversion, the CO
2
value should be set at full and minimum fire.
For the ETHOS 70, 110 and 130 it is only necessary to change the CO
2
values on the gas valve at full and
minimum fire.
AUTO DETECTION MODE
Cascade structure will need to be auto detected prior to cascading the boilers. Once the boilers have been
detected as indicated below, the number of burners can be confirmed by following the steps below.
•
•
•
•
•
Press and hold the button for three seconds and the display will show:
Once the additional boilers have been identified, the display will change again to indicate it is
loading the parameters to the slave boiler(s).
Once these have been loaded, the master boiler will then request confirmation of the total number
of burners.
This can be confirmed by pressing the button.
Once confirmed, the master boiler will display the normal control display and the slave boiler(s) will
display ‘SLA’ and then the boiler number.
MASTER BOILER SLAVE BOILER 01 SLAVE BOILER 02