RDZ DHW, Operating And Installation Instructions

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2.5 DIAGNOSTIC TABLE
ERROR CAUSE LOGGED DISPLAY
E01 No ‘NET SYNC’ signal. Replace on board fuse Yes Yes
E02 Temperature derivative insufficient Only if P.82=1 Yes
E03 RS485 network error (future use) Yes Yes
E04 Tank temperature higher than T max (P.54) Yes Yes
E05 Tank temperature probe CC or disconnected Yes Yes
E06 Recirculating temperature probe CC or disconnected Only if P.51=1 Only if P.51=1
E07 SETUP data error Yes Yes
E08 SETUP data corrupted Yes Yes
E09 Tank temperature lower than T min (P.55) Yes Yes
E10 Triac control temperature probe CC or disconnected Yes Yes
EVENT DESCRIPTION LOGGED DISPLAY
d01 Legionella cycle start Si No
d02 Legionella cycle stop Si No
2.6 EVENT LIST
The event list is structured according to the following table:
The last 16 events (described in 2.5 ) are registered.
“ SET” button allows to move horizontally,”UP” and “DOWN” buttons allow to move vertically. The first row of the
table contains the last recorded event.
2.7 SMART MANUAL OPERATIONS
Smart setup temperature (setpoint)
Press one time “UP” button; Display shows, for 1 sec, “P.01”, then the setpoint value (blinking). Press “UP” and
“DOWN” to set the desired.
Press “SET” button to confirm and return to main page.
Press “ON-OFF” to restore the old value and return to main.
Boost mode starting
By activating the BOOST mode, the heat pump and the electrical resistance (at the maximum set power) are
immediately activated to reach the desired temperature in the shortest possible time. When the temperature is
reached, the BOOST mode automatically switches off.
To activate the BOOST mode, from the On state (red LED off) press “UP” key for two seconds;display shows "Bst" for
two seconds, then the function is activated and the water temperature in the tank is displayed.