NOTICE!
When connecting the hot water heat pump
with a boiler:
When operating the circulation pump, the pow-
erful boiler circulation can result in the transport
of heat from the hot water heat pump into the
boiler
. In order to prevent this, fit a check valve
after the circulation pump of the heat generator!
Condensate water drain
The cooling of the air in the evaporator results in
condensate water forming. The condensate drain
on the hot water heat pump must be transported
away from the heat pump with plastic pipes and an
uninterrupted flow of the condensate must be guar-
anteed. Depending on the humidity
, up to approx.
0.25 l/h of condensate may arise.
The condensate drain must not be permanently
connected with a duct connection, and must be
designed and executed so that it is discharged
freely.
Domestic hot water-side connection (pressure-
tight)
Hot water heaters are pressure-tight storage tanks
with which pressure-tight connections can be
established. If the line pressure is higher than the
permissible operating pressure, a pressure
reducing valve provided by the customer must be
installed in the cold water supply. Only pressure-
tight fittings may be used. The component-tested
safety equipment must be installed in the cold
water line (see the following diagram). A type-
examination tested safety group in accordance
with DIN 1988 must be installed in the water con-
nection of the cold water line (cold water supply)
for closed hot water heaters. The water connection
may only take place through a tested diaphragm
safety valve or a diaphragm safety valve/connec-
tion fitting combination (not a piston valve) for
pressure-tight storage tanks! A safety valve combi-
nation is comprised of a shut-off, testing, return
flow, drainage and safety valve with expansion
water drain and is installed between the cold water
supply and cold water feed of the storage tank in
the sequence shown in the following diagram:
REMKO RBW PV series
22
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