E.C.A. Confeo Premix CP 24 HST Installation And User's Operating Instructions page 37

- Adjust any CH water flow temperature between 30
setpoint value appears on the LCD display and left dot is flashing. After 10 seconds, actual CH
water temperature will appear instead of the setpoint and left dot is disappeared. The boiler will
modulate to the desired temperature (fig. 28a). If there is a DHW request, it interrupts the CH mode
until DHW request is finished (fig.29a).
- Rotate the CH potentiometer fully counter-clockwise. The summer mode will be active and the
system will go back to stand-by mode again (fig. 28b).
DHW (Domestic Hot Water) Mode
3
- DHW mode can be active whether the boiler is in stanby-by mode (fig. 27a) or CH mode is active
(fig. 28a). Because DHW mode has priority over CH mode, DHW request interrupts the CH one, if
DHW priority cancellation function is not active (see page 38).
- The DHW tank sensor should be assembled to the DHW tank. (The DHW tank is controlled by the
NTC sensor).
- Adjust any domestic hot water temperature between 35
potentiometer. The setpoint DHW temperature appears on the LCD display and left dot is flashing.
After 10 seconds, actual CH water temperature will appear instead of the setpoint and left dot is
disappeared.
- If there is a heat demand from the DHW tank NTC sensor, the boiler will produce hot water for
the DHW tank (fig. 29a).
Tank loading ON
CH
DHW
CH
DHW
if DHW tank temperature (
o o
C and 80 C with the CH potentiometer. The
CH mode is active
LCD
ON
88
OFF
fig. 28a
Stand-by
LCD
OFF
88
OFF
fig. 28b
o
C and 60
0
C) < DHW set point (
OFF
SERVICE
OFF
SERVICE
o
C with the DHW
0 0
C) – 5 C
37