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3
Scope of supply
3.1 Basic device
Hydraulic components
Dual differential pressureless manifold
Buffer tank, 100 litres
Unmixed heating circuit including controlled circulating
pump (infinitely adjustable or 3 stages), shut-offs and back-
pressure features
Primary circuit heat generation including circulating pump (3
stages), shut-offs
2nd heat generator, electrical pipe heater, heat output 2 / 4 /
6 kW, secured via safety temperature limiter
300 litre hot water cylinder
Safety equipment:
Safety valve, start-to-leak pressure 2.5 bar
An additional expansion vessel can be connected
3.2 Switch box
ATTENTION!
Before opening the device, ensure that all circuits are powered down.
The switch box is located in the upper area of the hydro tower.
After removing the front cover, the switch box is freely accessi-
ble.
The switch box contains the supply connection terminals, heating
contactors, umbilical cable connections (connecting line to the
heat pump) and the heat pump manager (HWK 332 Econ).
3.3 Heat pump manager
The integrated heat pump manager (HWK 332 Econ) is a con-
venient electronic regulation and control device. It controls and
monitors the entire heating system based on the external tem-
perature, as well as domestic hot water preparation and safety
systems.
The external temperature sensor (to be connected on site) in-
cluding the fixing accessories, is included in the scope of supply
of the heat pump manager.
The enclosed operating instructions describe the function and
use of the heat pump manager.
4
Transport
A pallet should be used to transport the heat pump to its final in-
stallation location. The basic device can be transported with a lift
truck, a pushcart or similar.
ATTENTION!
The hydro tower is to be fixed to the transport pallet with screws.
452162.66.03 · FD 9501
HWK 332 - HWK 332 Econ
EN-3
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