Daikin EKHWP500PB [11/28] Optional accessories
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Daikin EKHWP500PB [11/28] Optional accessories

Daikin EKHWP500B [11/28] Optional accessories
2 x Product description
Daikin EKHWP300+500
Daikin High-performance hot water storage tank
008.1618744 – 08/2015
Installation and maintenance manual
11
2.4 Optional accessories
2.4.1 Electric immersion heaters
In addition to the heating possibilities via the corrugated stainless
steel pipe heat exchanger from various different heat sources
and energy carriers, the Daikin High-performance hot water
storage tank can also be charged using an electric immersion
heater.
For EKHWP (Booster Heater)
Type BO3s F
Operating voltage 230 V / 50 Hz
Heating output 3 kW
Temperature range 35-65 °C
Cable length —
Heating element length 0.9 m
Screw-in thread R 1½"
Suitable for all EKHWP
Tab. 2-2 Booster Heater - Overview and technical data
2.4.2 Non return valves
To prevent heat loss from the connection pipes when the heating
pump is switched off and during periods when no domestic water
is drawn off (gravity circulation), you should fit circulation brakes
in the connections on the Daikin High-performance hot water
storage tank (see tab. 2-1).
2.4.3 Dirt filter
If the Daikin High-performance hot water storage tank is con-
nected to a heating system with steel pipes, radiators or non-dif-
fusion-proof floor heating pipes, slurry and swarf could enter the
h
ot water storage tank and cause blockages, local overheating or
corrosion. This can be prevented by fitting a dirt filter or sludge
trap (see ROTEX Daikin price list).
2.4.4 Scalding protection
There is a danger of scalding at hot water temperatures over
60 °C. Fitting scalding protection enables the hot water temper-
ature to be varied continuously and limited from 35 - 60 °C.
– Protection against scalding VTA32
– Screw connection set 1"
2.4.5 Solar storage tank extension kit
If the heat output of a single Daikin hot water storage tank is not
adequate you can interconnect several EKHWP modules.
This means that both the stainless steel heat exchangers for
post-heating and the hot water heat exchangers are intercon-
nected in accordance with the Tichelmann principle (chapter 6
"Hydraulic connection").
With seasonal variations in demand th
ese individual units can be
added or taken out of service accordingly. In this way the total hot
water output can be manually matched to the actual demand.
The following components are offered:
– Solar storage tank extension kit CON SX
– Solar storage tank extension kit 2 CON SXE
– FlowGuard FLG
The installation and operation of this accessory component is de-
scribed in detail in the individual operating and installation in-
structions provided.
2.4.6 KFE filling connection
For convenient filling and draining of the Daikin hot water storage
tank, you can connect the KFE filling connection (KFE BA).

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