OPERATION
GENERAL INFORMATION
ENGLISH
WWW.STIEBEL-ELTRON.COM ACCELERA 300/WHP 300 | 3
Draft
1. General information
The chapter Operation is intended for users and contractors.
The chapter Installation is intended for the contractor.
!
Please read carefully!
This manual must be read carefully before attempting
to install the appliance. If you do not follow the safety
rules or the instructions outlined in this manual, the
appliance may not operate properly and it could cause
property damage, serious body injury or death. Never
remove the appliances cover unless the electricity is
turned off.
If you have any questions regarding the installation or
operation of the appliance, or if you need an additional
installation manual please call our technical service.
Tel. (USA): 800-582-8423 or 413-247-3380
1.1 Symbols in this documentation
Risk of injury!
Information regarding possible risks of injury for in-
staller or users and potential equipment damage.
Risk of scalding!
Danger of electrocution!
1.2 Symbols on the appliance
Disposal
Appliances with this marking are unsuitable for gene-
ral waste disposal and should therefore be disposed
of separately.
2. Safety
2.1 Correct use
The appliance is designed for extracting heat from the ambient air
and the utilisation of that energy for heating domestic hot water.
The appliance can be installed in the open as well as in enclosed
spaces, as long as the unit is operated in areas where the ambient
air temperature does not fall down under 6°C.
2.2 Incorrect use
Not permitted is:
The utilisation of greasy extract air.
— The heating of liquids other than domestic hot water.
— The installation of the equipment in rooms where the tempe-
rature is below the freezing point.
— The installation of the equipment in rooms where the appli-
ance is at risk from explosions as a result of dust, gases or
vapours.
— Operation of the appliance with an empty cylinder.
2.3 Safety instructions
Risk of scalding. There is a risk of scalding at outlet
temperatures in excess of 43°C.
Where children or persons with limited physical, sen-
sory or mental capabilities are to be allowed to con-
trol this appliance, ensure that this will only happen
under supervision or after appropriate instructions by
a person responsible for their safety. Children should
be supervised to ensure that they never play with the
appliance.
2.4 CE designation
The CE designation shows that the appliance meets all essential
requirements according to the:
— Electromagnetic Compatibility Directive
— Low Voltage Directive
3. Appliance description
3.1 Appliance description
The appliance extracts heat from the ambient air. This energy is
used to heat the water inside the cylinder. Where the appliance
is installed inside a room, this is cooled down through the heat
extraction by approx. 1 to 3K. The appliance also extracts moi-
sture from the ambient air that creates condensate, which must
be drained off. For this purpose, a condensate drain with closure
incl. a strainer is integrated in the floor of the appliance.
An electric booster heater is integrated for heating approx.
100litres of water in the upper sector of the DHW cylinder.
3.2 Function description
3.2.1 Heat pump operation
This is the standard operating mode, to which the limits of scope of
the heat pump apply (see: “Specification”). To heat up the cylinder
capacity of approximately 300 litres of water in accordance with
EN 255 part 3 to 60°C, this appliance requires ... :
τ
Heat-up
ϑ
Room
F
rel
ϑ
Cold water
COP (t)
6,3 15 °C 70 % 15 °C 3,18*
* water temperature 60 °C, voltage/frequency 240 V/60 Hz, only heat pump
!
If the appliance is switched OFF and ON again, for in-
stance after a power failure, the compressor will only
restart (after approx. 5 minutes), when the pressure
inside the refrigerant circuit has normalised again.
OPERATION
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