INSTALLATION
Safety
18 | WPF basic www.stiebel-eltron.com
INSTALLATION
7. Safety
7.1 General safety information
- Only qualified contractors should carry out installation, com-
missioning, maintenance and repair of the appliance.
- We guarantee trouble-free operation and operational relia-
bility only if the original accessories and spare parts intend-
ed for the appliance are used.
7.2 Instructions, standards and regulations
Note
Observe all applicable national and regional regulations
and instructions.
7.2.1 Electrical installation
!
Appliance damage
The specified voltage must match the mains voltage. Ob-
serve the type plate.
WARNING electrocution
Carry out all electrical connection and installation work
in accordance with national and regional regulations.
DANGER Electrocution
Before any work, isolate the appliance from the power
supply at the control panel.
WARNING electrocution
Only use a permanent connection to the power supply.
The appliance must be able to be separated from the
power supply by an isolator that disconnects all poles
with at least 3mm contact separation. This requirement
can be met by contactors, isolators, fuses etc.
8. Appliance description
8.1 Mode of operation
Environmental energy is extracted by the heat exchanger on the
heat source side (evaporator). Any energy extracted is transferred,
together with the energy drawn by the compressor drive, to the
heating water by a heat exchanger on the heating water side
(condenser). Subject to the heat load, the heating water can be
heated to +60°C. The DHW is heated via the internal indirect coil
inside the DHW cylinder.
The electric booster heater (internal HS 2) starts if the high pres-
sure sensor or the hot gas limiter responds during DHW heating.
In addition it can cover any residual heat demand, if the heating
system demand exceeds the heat pump output.
8.2 Standard delivery
Delivered with the appliance:
- 1 outside temperature sensor AFS 2
9. Preparations
9.1 General information
Note
The appliance is designed for internal installation, except
in wet areas.
Never install the appliance directly below or next to
bedrooms.
Protect pipe transitions through walls and ceilings with an-
ti-vibration insulation.
The room in which the appliance is to be installed must meet the
following conditions:
- No risk from frost.
- The room must not be subject to a risk of explosions arising
from dust, gases or vapours.
- When installing the appliance in a boiler room together with
other heating equipment, ensure that the operation of other
heating equipment will not be impaired.
- The volume of the installation room should be at least
13.8m³.
- Load-bearing floor (for the weight of the internal unit, see
chapter „Specification / Data table“).
For installation on floating screeds, make provisions for quiet
heat pump operation.
Isolate the mounting surface around the heat pump by re-
cesses. After completing the installation, seal these recesses
with a water-impervious and sound insulating material, such
as silicone for example.
1 2 3 54
26�03�01�1466
1 Concrete base
2 Impact sound insulation
3 Floating screed
4 Floor covering
5 Recess
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