Beretta MYNUTE GREEN 28 C.S.I. Manual De Instalacion Y Uso página 13

12
.
MYNUTE GREEN wall-mounted condensation boiler designed
for the production of heating and domestic hot water (for R.S.I.
models if connected to an external water tank).
15
8
1 Green indicator LED - flame present
2 Digital display
3 Red fault LED
4 Housing for programmable timer (optional)
5 Heating water temperature selector
Switching on the appliance
Switch on the boiler as follows:
- open the gas tap under the boiler by turning it anti-clockwise
(fig. 16)
- turn on the general switch of the system and then, after lowering
the door, turn the function selector to summer
winter comfort (only for C.S.I. models) (fig. 17) depending
on the chosen operating mode.
For C.S.I. models:
SUMMER ( ): with the selector in this position, just the traditional
domestic hot water function is activated. The display indicates the
temperature of the domestic hot water (fig. 18).
WINTER ( ): with the selector in this position, the heating water
and domestic hot water functions are activated. The display
indicates the delivery temperature of the heating water (fig. 19)
and that of the domestic hot water depending on current demand
(fig. 18).
WINTER COMFORT ( ): with the selector in this position, as
well as the traditional function of heating water and domestic hot
water, the preheating function is also activated which keeps the
water in the domestic hot water exchanger hot in order to reduce
waiting times. The display indicates the delivery temperature of
the heating water (fig.19) and that of the domestic hot water
depending on current demand (fig. 18).
For R.S.I. models:
SUMMER ( , only with the external water tank connected):
with the selector in this position the traditional domestic hot water
function provided by the water tank is activated. The display
indicates the delivery temperature (fig. 18).
WINTER ( ): with the selector in this position, the boiler produces
hot water for heating and, if connected to an external water tank, it
provides water to it to allow it to prepare domestic hot water. The
display indicates the delivery temperature of the heating water
(fig. 18 and fig. 19).
START-UP AND OPERATION
2
1
7
, winter
The control panel (fig. 15) contains the main boiler control and
management functions.
3
6 5
6 Function selector
7 Domestic hot water temperature selector (*)
8 Water gauge
* The parts of manual referring to the domestic hot water circuit
should only be considered if a water tank is installed, case C
(accessory available on request)
or
16
17
18
19
13
4
open
position
for C.S.I.
models only
DHW mode
CH mode