DORA TECH
90 LT - 120 LT
95
cod. 3540000800 - Rev. 02 - 09/2023
EN
6. INSTALLATION AND
COMMISSIONING
Product installation, commissioning and maintenance
must be carried out by
qualified and authorised per-
sonnel
.
EXPERT
TECHNI-
CIAN
R290
Any intervention on the de-
vice, including disposal, must
be performed by qualified per-
sonnel with a suitable Refrig-
eration Technician's Licence
aimed at the knowledge and
management of systems con-
taining HC type gases such as
R290 (Propane).
Comply with the warnings given in chapter 8 on page 105.
6.1 STORAGE
R290
For the storage of devices
equipped with flammable refrig-
erant gas, refer to local regula-
tions in force.
NEVER place the device outdoors; atmospheric agents
would damage it, making it unreliable and dangerous for
the operator and user.
6.1.1 Environmental storage conditions
The device must be stored in a dry place, protected from dust
or anything else that may damage it.
Ambient temperature (min. / max.)
-20 °C / +70 °C
6.2 LIMITS OF USE
ATTENTION
PROHIBITION
This product has not been de-
signed, nor is it intended as such,
to be used in hazardous envi-
ronments according to Directive
2014/34/EU (due to the presence
of potentially explosive atmos-
pheres - ATEX).
ATTENTION
PROHIBITION
Or for applications that require a
degree higher than IP24 or that
require safety features (fault-tol-
erant, fail-safe) such as life sup-
port systems and/or technolo-
gies or any other context in which
the malfunction of an application
may lead to the death or injury of
persons or animals, or to serious
damage to property or the envi-
ronment.
If a fault or malfunction of the
product could cause damage
(to persons, animals and prop-
erty), then a separate, perfor-
mance-monitoring system is re-
quired, equipped with alarms to
exclude such damage.
6.3 OPERATING LIMITS
The product in question is designed exclusively for heating hot
water for sanitary uses within the limits described below.
For this purpose, it must be connected to the domestic water
supply and the power supply (see chapter “6. INSTALLATION
6.3.1 Temperature range
fig. 48 - Chart
A =
Inlet air temperature (°C)
B =
Hot water temperature (°C)
= Operating range for heat pump (HP)
= Integration with heating element only
