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Mynute Green C.S.I. E - R.S.I. E
2A IGNITION
First ignition must be carried out by personnel from the Technical
Assistance Service. At the same time, if it is necessary to put the
appliance in service again, carefully follow the described operations.
To start-up the boiler it is necessary to carry out the following op-
erations:
- power the boiler
- open the gas tap present in the system to allow fuel flow
- turn the mode selector (3 - fig. 1a) to the desired position:
Mynute Green C.S.I. E:
Summer mode: turning the selector to the symbol summer
(fig. 3a) the traditional function of only domestic hot water is acti-
vated. If there is a domestic hot water request the digital display
shows the hot water system temperature, the icon to indicate the
hot water supply and the flame icon.
Winter mode: by turning the mode selector within the area
marked + and - (fig. 3b), the boiler provides domestic hot water
and heating. If there is a heat request, the boiler switches on
and the digital monitor indicates the heating water temperature,
the icon to indicate heating and the flame icon (fig. 4a). If there
is a domestic hot water request, the boiler switches on and the
digital display shows the hot water system temperature, the icon
to indicate the hot water supply and the flame icon (fig. 4b).
Pre-heating (faster hot water): rotate the domestic hot wa-
ter temperature adjustment knob (4 - fig. 1a) to the
bol (fig. 5a), to activate the pre-heating function. This func-
tion keeps the water in the domestic hot water exchanger
hot, to reduce standby times when a request is made. When
the pre-heating function is enabled, the
the delivery temperature of the heating water or the domestic
hot water, according to the current request. During burner igni-
tion following a pre-heating request, the monitor indicates the
symbol (fig. 5b). To deactivate the pre-heating function, rotate
the domestic hot water temperature adjustment knob back to the
symbol. Bring the domestic hot water temperature adjustment
knob back to the required position. This function cannot be activated
when the boiler is OFF: function selector (3 - fig.1a) on
Positioning the mode selector to
hot water temperature adjustment knob (4 - fig. 1a) to the
symbol, the chimney sweep function is activated (for exclusive
use of the Technical Assistance Service).
Mynute Green R.S.I. E:
Summer mode (only with the external water tank connected):
turning the selector to the symbol summer
ditional function of only domestic hot water is activated and the
boiler supplies water at the temperature set on the external stor-
age tank. If there is a domestic hot water request the digital dis-
play shows the hot water system temperature, the icon to indi-
cate the hot water supply and the flame icon
Winter mode: by turning the mode selector within the area
marked + and - (fig. 3b), the boiler provides hot water for heating
and - if connected to an external storage tank - domestic hot wa-
ter. If there is a heat request, the boiler switches on and the digi-
tal monitor indicates the heating water temperature, the icon to
indicate heating and the flame icon (fig. 4a). If there is a domestic
hot water request, the boiler switches on and the digital display
shows the hot water system temperature, the icon to indicate the
hot water supply and the flame icon (fig. 4b).
Positioning the mode selector to
hot water temperature adjustment knob (4 - fig. 1a) to the
symbol, the chimney sweep function is activated (for exclusive
use of the Technical Assistance Service).
- Adjust the room thermostat to the required temperature (~20°C).
Adjustment of the heating water temperature
To adjust the heating water temperature, turn the knob with symbol
(fig. 3b) within the area marked + and -.
Depending on the type of system, it is possible to pre-select the
suitable temperature range:
- standard systems 40-80°C
- floor systems 20-45°C.
For further details, consult the "Boiler configuration" section.
16
sym-
monitor indicates
OFF.
(OFF) and the domestic
(fig. 3a) the tra-
(OFF) and the domestic
Adjusting heating water temperature with an external probe
connected
When an external probe is connected, the value of the delivery tem-
perature is automatically chosen by the system which rapidly adjusts
ambient temperature to the changes in external temperature.
To increase or decrease the temperature with respect to the value
automatically calculated by the electronic board, turn the heating
water selector (fig. 3b) clockwise to increase and anticlockwise to
decrease. Adjustment settings range from comfort levels - 5 to + 5
which are indicated on the digital display when the knob is turned.
Mynute Green C.S.I. E:
Adjustment of domestic hot water temperature
To adjust domestic water temperature (bathrooms, showers, kitch-
en, etc.), turn the knob with symbol
marked + and -.
The boiler is standby status until, after a heat request, the burner
switches on and the digital display shows the hot water system tem-
perature, the icon to indicate the hot water supply and the flame icon
The boiler will be in function until the adjusted temperature is
reached, afterwards it will be in "standby" again.
Mynute Green R.S.I. E:
Adjustment of the domestic hot water temperature
CASE A heating only - adjustment does not apply.
CASE B heating only + external storage tank with thermostat - ad-
justment does not apply.
CASE C heating only + external storage tank with probe - to adjust
the temperature of the domestic hot water in the storage tank, turn
the knob-but with the symbol
perature and anti-clockwise to lower it.
The boiler is standby status until, after a heat request, the burner
switches on and the digital display shows the hot water system tem-
perature, the icon to indicate the hot water supply and the flame
icon. The boiler will be in function until the adjusted temperature is
reached, afterwards it will be in "standby" again.
Environment Automatic Adjustment System Function
(S.A.R.A.) fig. 7a
By setting the heating water temperature selector to the area
marked by AUTO - temperature value from 55 to 65°C - the
S.A.R.A. self-adjusting system is activated: the boiler varies the
delivery temperature according to the closing signal of the room
thermostat. When the temperature set with the heating water tem-
perature selector is reached, a 20 minutes count begins. If during
this period the room thermostat still requests heat, the value of the
set temperature automatically increases by 5 °C.
When the new value is reached, other 20 minutes count begins.
If during this period the room thermostat still requests heat, the
value of the set temperature automatically increases by 5 °C.
This new temperature value is the result of the temperature set
manually with the heating water temperature selector and the in-
crease of +10 °C of the S.A.R.A function.
After the second cycle the temperature value should be kept at the
set value +10°C until the request of the room thermostat is met.
3A SWITCHING OFF
Temporary switching off
In case of absence for short periods of time, set the mode selector
(3 - fig. 1a) to
(OFF) (fig. 2a).
In this way (leaving the electricity and fuel supplies enabled), the
boiler is protected by the following systems:
- Anti-frost device: when the temperature of the water in the boil-
er falls below 5°C, the circulator and, if necessary, the burner are
activated at minimum output levels to bring the water tempera-
ture back to the values for safety (35°C). During the anti-frost
cycle, the symbol
appears on the digital monitor.
- Circulator anti-blocking function: an operation cycle is acti-
vated every 24 hours.
- DHW Antifreeze (only when connected to an external stor-
age tank with probe): the function is activated if the temperature
measured by the storage tank probe drops below 5° C. A heat re-
quest is generated in this phase with the ignition of the burner at
minimum power, which is maintained until the water temperature
reaches 55° C. During the anti-frost cycle, the symbol
on the digital monitor.
(fig. 3b) within the area
clockwise to increase water tem-
appears
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