Ferroli BLUEHELIX TECH RRT 28 С Instructions For Use, Installation And Maintenance page 169

BLUEHELIX TECH RRT 28 C
TEST mode activation
Carry out a heating or DHW demand.
Press the heating buttons (detail 3 and 4 - fig. 1) together for 5 seconds to activate TESTmode. The boiler lights at the
maximum heating power set as described in the following section.
The heating and DHW symbols (fig. 31) flash on the display; the heating power will appear alongside.
fig. 31- TEST mode (heating power = 100%)
Press the heating buttons (details 3 and 4 - fig. 1) to increase or decrease the power (Minimum=0%, Maximum=100%).
By pressing the DHW "-" button (detail 1 - fig. 1), boiler output is immediately adjusted to minimum (0%).
Wait about 1 minute for stabilization.
By pressing the DHW "+" button (detail 2 - fig. 1), boiler output is immediately adjusted to maximum (100%).
If the TEST mode is activated and enough hot water is drawn to activate the DHW mode, the boiler remains in TEST
mode but the 3-way valve goes to DHW-
To deactivate the TEST mode, press the heating buttons simultaneously (details 3 and 4 - fig. 1) for 5 seconds.
The TEST mode is automatically disabled in any case after 15 minutes or on stopping of hot water drawing (if enough
hot water is drawn to activate DHW mode).
Heating power adjustment
To adjust the heating power, switch the boiler to TEST mode (see sec. 3.1). Press the heating buttons detail 3 - fig. 1
to increase or decrease the power (min. = 00 - max. = 100). Press the reset button within 5 seconds and the max. power
will remain that just set. Exit TEST mode (see sec. 3.1).
169
EN
cod. 3541N260 - Rev. 01 - 10/2017