INSTALLATION
Installation
14 | WPL-A Premium www.stiebel-eltron.com
Fuse protec-
tion
Assignment Cable cross-section
1x B 25A Compressor 2.5 mm² when routing above the surface
4.0mm² when routing in a wall
Alternatively:
1x B 16 A
Compressor
2.5 mm² when routing above the surface
4.0mm² when routing in a wall
2x B 16 A Electric emergen-
cy/booster heater
2.5mm²
1x B 16 A Controller 1.5mm²
You can safeguard the compressor using the alternative, smaller
fuse protection.
f If you have selected a lower fuse protection for the compres-
sor, you will need to limit the maximum power consumption.
In the COMMISSIONING/ COMPRESSOR menu, adjust the-
MAXIMUM CURRENT parameter. Observe the information in
the commissioning instructions for the heat pump manager.
The cable cross-section must correspond to the appliance‘s maxi-
mum possible operating current (see “Specification/Data tables”).
Output reduction in the case of 16A compressor fuse
protection
If you select 16A fuse protection, at flow temperatures below
55°C, the output is not reduced. At flow temperatures above 55°C
and the specified outside temperatures, the output is reduced.
Source temperature Flow temperature Output reduction
[°C] [°C] [%]
WPL-A 07 HK 230 Premium
7
65 11
75 19
2
65 11
75 21
-7 75 4
10. Installation
Note
The device is designed in such a way that it can be po-
sitioned and connected without removing the cover or
side panels.
10.1 Transport
f When transporting the appliance, be aware of its centre of
gravity.
- The centre of gravity is in the area where the compressor is
located.
f Protect the appliance against heavy impact during transport.
f Use the recessed grips provided at the sides.
D0000071298
- If the appliance needs to be tilted during transport, this must
only be for a short time and it must only be tilted on one of
its longitudinal sides. When transporting the appliance, en-
sure the compressor is on the upper appliance side.
- The longer the appliance is tilted, the greater the distribution
of refrigerant oil inside the system.
f Wait approximately 30minutes before starting the appliance
after it has been tilted.
10.2 Heating water connection
!
Material losses
The heating system to which the heat pump is connected
must be installed by a qualified contractor in accordance
with the water installation drawings that are part of the
technical guide.
To facilitate connection to the heating system, push-fit connectors
are enclosed with the appliance (see chapter "Fitting the push-fit
connectors").
f Before connecting the heat pump, flush the pipework thor-
oughly with suitable water. Foreign bodies, such as welding
pearls, rust, sand or sealant can impair the operational relia-
bility of the heat pump.
f Connect the heat pump on the heating side. Check for tight-
ness.
f Ensure that the heating flow and return are connected cor-
rectly.
f Provide thermal insulation in accordance with applicable
regulations.
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