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INSTALLER
1 - GENERAL SAFETY DEVICES
Our boilers are built in our plants and checked down to the
smallest detail in order to protect users and fitters from injury.
After working on the product, qualified personnel must check
the electrical wiring, in particular the stripped part of conduc-
tors, which must not stick out from the terminal board, avoid-
ing possible contact with live parts of such conductor.
This instruction manual is integral parts of the product: make
sure that it remains with the appliance, even if it is transferred
to another owner or user, or moved to another heating sys-
tem. In case of loss or damage, please contact your local
Technical Assistance Service for a new copy.
Boiler installation and any other assistance and maintenance
operation must be carried out by qualified personnel accord-
ing to current local and national regulations.
The installer must instruct the user about the operation of the
appliance and about essential safety regulations.
This boiler may only be used for what it was expressly built to
do. The manufacturer declines all contractual and non-con-
tractual liability for injury to persons or animals or damage to
property deriving from errors made during installation, adjust-
ment and servicing and from improper use.
This appliance is used to produce hot water and must there-
fore be connected to a heating and/or a domestic hot water
system, according to its performance and power.
After removing the packaging, make sure the contents are
undamaged and complete. If this is not the case, contact your
dealer.
The safety and automatic adjustment devices on the appli-
ance must never be modified during its lifetime, except by the
maker or dealer.
If the appliance develops a fault and/or works badly, switch it
off and do not attempt to repair it yourself.
When the product reaches the end of its life it should not be
disposed of as solid urban waste but should be brought to a
separated waste collection facility.
The safety valve outlet must be connected to a suitable col-
lection and venting system. The manufacturer declines all li-
ability for any damage caused due to any intervention carried
out in the safety valve.
Dispose of all the packaging materials in the suitable contain-
ers at the corresponding collection centres.
Dispose of waste being careful not harm human health and
without employing procedures or methods which may dam-
age the environment.
Connect the outlet collector to a suitable outlet system (refer
to chapter 3.5).
During installation, inform the user that:
• in the event of leaks, he/she must shut off the water supply and
promptly inform the Technical Assistance Service
• the operating pressure of the system ranges between 1 and 2 bar
and must never be greater than 3 bar. If necessary, reset the pres-
sure as indicated in the paragraph entitled "Filling the system"
• if the boiler is not planned to be used for a long period, he/she
should call in the Technical Assistance Service to perform the
following operations:
- turn off the main boiler and general system switches
- close the gas and water taps on both the heating (C.S.I. -
R.S.I.) and domestic hot water circuits (C.S.I.)
- drain the heating (C.S.I. - R.S.I.) and domestic hot water
(C.S.I.) circuits to prevent freezing.
The following symbols are used in this manual:
CAUTION = operations requiring special care and adequate preparation
NOT ALLOWED = operations that MUST NOT de performed
R.S.I: DHW functions refer only if a water thank is connected (accessory
available on request).
Safety measures:
The boiler should not be used by children or unassisted dis-
abled people.
Electrical devices or equipment, such as switches, applianc-
es, etc., should not be used if there is a smell of gas or fumes.
If there is a gas leak, open all the doors and windows to ven-
tilate the area, turn off the general gas tap and immediately
call the Technical Assistance Service.
Do not touch the boiler barefoot or if parts of your body are
wet or damp.
Before cleaning operations, disconnect the boiler from the
main power supply by turning "OFF" the two position system
switch and the main control panel switch.
It is forbidden to modify the safety or adjustment devices with-
out the manufacturer's permission and relative instructions.
Do not pull, detach or twist the wires from the boiler even if
they are not connected to the power supply.
Do not block or reduce the size of the ventilation openings in
the room.
Do not leave inflammable containers or substances in the
room.
Keep packaging out of reach of children.
It is forbidden to block the condensate outlet.
2 - BOILER INSTALLATION
Boiler must only be installed by qualified personnel in compliance
with current legislation.
Mynute Green E is available in the following models:
Mynute Green C.S.I. E are type C wall-mounted condensation
boilers for heating and the production of domestic hot water.
Mynute Green R.S.I. E are type C wall-mounted condensation
boilers capable of operating in different conditions through a series
of jumpers fitted on the electronic board (consult the "Boiler con-
figuration" section):
- CASE A: only heating. The boiler does not provide domestic hot
water.
- CASE B: only heating with an external thermostat-controlled wa-
ter tank: in this condition, the boiler delivers hot water to the wa-
ter tank whenever a demand is made by the relative thermostat.
- CASE C: only heating with an external temperature probe-con-
trolled water tank (accessory kit available on request), for the
production of hot water. If the water tank is not supplied by our
company, make sure that the relative NTC probe has the follow-
ing characteristics: 10 kOhm at 25°C, B 3435 ±1%.
According to the flue gas outlet device, the boilers are classified
in categories B23P-B53P; C13-C13x; C23; C33-C33x; C43-C43x;
C53,C53x; C63-C63x; C83-C83x; C93-C93x; 3CEp (for 25kW).
In configuration B23P/B53P (when installed indoors), the appliance
cannot be installed in bedrooms, bathrooms, showers or where
there are open fireplaces without a proper air flow. The room where
the boiler is installed must have proper ventilation.
In configuration C, the appliance can be installed in any type of
room and there are no limitations due to ventilation conditions or
room volume.
For 25kW: the boiler can be installed, through a check valve avail-
able as an accessory, on collective pipes under pressure.
3 - INSTALLATION REGULATIONS
3.1 Installation regulations
Installation must be carried out by qualified personnel.
Always comply with national and local regulations.
Mynute Green E can be installed indoors.
ENGLISH
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