8 | WPL 10 www.stiebel-eltron.com
INSTALLATION
Installation
9.1 Electrical installation
DANGER Electrocution
Carry out all electrical connection and installation work
in accordance with national and regional regulations.
DANGER Electrocution
The connection to the power supply must be in the form
of a permanent connection. Ensure the appliance can
be separated from the power supply by an isolator that
disconnects all poles with at least 3mm contact separa-
tion. This requirement can be met with contactors, circuit
breakers, fuses/MCBs, etc.
Note
The specified voltage must match the mains voltage. Ob-
serve the type plate.
Install cables with the following cross-sections in accordance with
the respective fuse rating:
MCB/fuse
rating
Assignment Cable cross-section
C 16 A Compressor 2.5 mm²
B 16 A
Electric emergency/
booster heater (BH)
2.5 mm²
1.5 mm² with only two live cores and
routing on a wall or in an electrical con-
duit on a wall.
B 16 A Control cable 1.5 mm²
The electrical data is provided in the "Specification" chapter. For
the WPL10I, you require a J-Y (St) 2x2x0.8mm² electric BUS cable.
!
Material losses
Provide separate fuses/MCBs for the two power circuits,
i.e. for the compressor and the electricemergency/boost-
er heater circuits.
10. Installation
10.1 Transport
Pay attention to the appliance's centre of gravity when trans-
porting the appliance.
- The centre of gravity is in the area where the compressor is
located.
- With the WPL10IK3, ensure that the control fascia is at the
top during transport.
- Lifting slings for handling the standard appliance can be
hooked in anywhere on the bottom of the frame.
Protect the appliance against heavy impact during transport.
- If the appliance needs to be tilted during transport only do so
for a short time on one of its longitudinal sides.
- The longer the appliance is tilted, the greater the distribution
of refrigerant oil in the system.
Wait approximately 30minutes before starting the appliance
after it has been tilted.
10.2 Siting
Remove the packaging film and the top and side EPS
padding.
D0000051813
1
2
1 Appliance foot
2 Sliding block
Undo the four fixing screws underneath the pallet.
Remove the appliance feet from the pack. Fully turn the feet
onto the appliance, without removing the appliance from the
pallet.
Take the appliance off the pallet and set it down on the pre-
pared base. If required, use the sliding blocks provided to
help you position the appliance.
Observe minimum distances (see the "Preparations / Mini-
mum clearances" chapter).
Level the appliance horizontally by adjusting the feet.
10.3 Heating water connection
The heating system to which the heat pump is connected must be
installed by a qualified contractor in accordance with the water
installation diagrams that are part of the technical guides.
In dual mode operation, return water from the second heat gen-
erator may flow through the heat pump. The return water tem-
perature must not exceed 60°C.
Thoroughly flush the pipework before connecting the heat
pump. Foreign bodies, such as rust, sand and sealant, can
impair the operational reliability of the heat pump. We rec-
ommend installing our filter assembly in the heating return
(see chapter "Accessories").
On the WPL10I, connect one flexible pressure hose each to
the heating flow and heating return connections to act as
an anti-vibration mount. The pressure hoses are part of the
standard delivery. Anti-vibration mounts are already fitted to
the WPL10IK3.
Ensure the correct connection of the heating flow and return.
Check for tightness.
When sizing the heating circuit, observe the maximum avail-
able external pressure differential (see the "Specification /
Data table" chapter).
Provide thermal insulation in accordance with applicable
regulations.
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