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Daikin EKHWP300B [14/36] Important information installation
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3 Set-up and installation
Installation and operating manual
14
EKHW(D/C/P)(300/500)(P)B
Daikin Altherma ST (Hot water storage tank)
008.1633099_00 – 06/2020
3‒2 Installing the hot water storage tank (shown on the EKHWP)
3.2 Installation
3.2.1 Important Information (installation)
DANGER: RISK OF BURNING/SCALDING
There is a danger of scalding at water temperatures
>60°C. This can arise with solar energy utilisation, if the
Legionella protection is activated or if the target
temperature is set to >60°C.
▪ Fit scalding protection (see "2.4.4 Scalding
protection"[412]).
CAUTION
If the hot water storage tank is connected to a heating
system with steel pipes, radiators or non-diffusion-proof
underfloor heating pipes, sludge and swarf could enter the
hot water storage tank and cause blockages, local
overheating or corrosion.
▪ Flush the feed pipes before filling the heat exchanger.
▪ Rinse out the heat distribution network (in the existing
heating system).
▪ Fit a dirt filter or sludge catcher in the heating return
pipe (see "2.4.3Dirt filter"[412]).
CAUTION:
If an external heating unit (e.g. pressurised solar system,
wood-buring boiler) will be connected to the heat
exchanger WT4 (" 2‒4 500l P‑models"[410] / " 2‒5
300 l P‑models" [4 11], item v+w), a too high flow
temperature can cause damage to or destroy the hot water
storage tank.
▪ The feed flow temperature of the external heater shall
be limited to max. 95°C.
▪ For domestic water pipes observe the stipulations of EN806 and
EN1717.
▪ The position and dimensions of the connections can be taken from
" 2‒2 500l models"[48] to " 2‒5 300l P‑models"[411].
▪ Check the cold water connection pressure (maximum 10bar).
▪ At higher pressure in the drinking water line, a pressure reducer
must be installed.
▪ Connect the pressure relief line to the safety pressure relief valve
(customer supply) and connect the diaphragm expansion tank as
per EN12828.
▪ Note tightening torque (see "8.4Tightening torque"[431]).
▪ Observe the requirements for the heating and filling water (see
"1.2.5Requirements of the heating and filling water"[44]).
INFORMATION
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 (see "2.4.2Non return valves"[412])
in the connections to the hot water storage tank.
3.2.2 Hydraulic system connection
1 Only with connection of a EKHWP hot water storage tank to a
heat pump: Mount the storage tank kit "E-Pac" for the heat
pump to the EKHWP hot water storage tank (see the individual
installation and operating instructions included for the storage
tank connection kit).
2 When using circulation brakes, fit them into the pipe
connections on the hot water storage tank.
3 Connect the drain hose to the connector of the safety overflow
(" 2‒2 500l models"[48] to " 2‒5 300l P‑models"[411],
iteme) on the hot water storage tank.
▪ Use transparent drain hose (draining water must be visible).
▪ Connect the drain hose to an adequately dimensioned waste
water installation.
▪ Drain should not be lockable.
3‒3 Installation of drain hose at safety overflow
4 Check the water pressure at the cold water connection
(<10bar).
Result: If the pressure in the domestic water supply is greater
then fit a pressure reducer and limit the water pressure to
<10bar.
5 Create connection of the cold water inlet to the hot water
storage tank (" 2‒2 500 l models" [4 8] to " 2‒5 300 l
P‑models"[411], itemy).
Содержание
- Daikin altherma st hot water storage tank 1
- Installation and operating manual 1
- Children aged 8 and above and by persons with restricted physical sensory or mental capabilities or with a lack of experience and knowledge if they are under supervision or if they have been instructed in the safe use of the equipment and understand the 2
- Devices that have not been set up and installed correctly can impair the function of the device and or cause serious or fatal injury to the user 2
- Disregarding the following safety instructions may result in serious physical injury or death 2
- General safety precautions 2
- General safety precautions 2 2
- Hydraulic 20 2
- Installation and operating manual 2
- List of contents 2
- List of keywords 32 2
- Particular safety instructions 2
- Product description 6 2
- Service and maintenance 23 2
- Servicing connection and initial commissioning must only be carried out by persons who are authorised and who have successfully completed qualifying technical or vocational training and who have taken part in advanced training sessions recognised by the relevant responsible authorities for the specific activity these include in particular certified heating engineers qualified electricians and hvac specialists who because of their professional training and expert knowledge have experience in the professional installation and maintenance of heating cooling and air conditioning systems as well as hot water storage tanks 2
- Set up and installation 13 2
- Start up 16 2
- Taking out of service 17 2
- Technical data 24 2
- This device must only be used by 2
- Warning 2
- Work on the unit such as setup 2
- Accordance with iec 60335 1 via a separator device which exhibits contact separation in all poles with a contact opening distance that provide full disconnection in accordance with overvoltage category iii 3
- All the electrical work must only be 3
- Can be drained the instructions must be observed 3
- Carried out by electrically qualified experts and with consideration of the local and national regulations and the instructions in this manual check that a suitable electrical circuit is being used inadequate capacity of the power circuit or improperly executed connections can cause electrocution or fire 3
- Dangers arising therefrom children must not play with the device cleaning and user maintenance must not be carried out by children without supervision 3
- General safety precautions 3
- Make up the power supply in 3
- Meaning of warnings and symbols 3
- Observing the instructions 3
- The storage tank and hot water circuit 3
- Before starting any work on the indoor unit and secure against being switched on inadvertently 4
- Device installation room 4
- Devices that have not been set up and installed correctly can impair the function of the device and or cause serious or fatal injury to the user 4
- Do not leave any tools or other 4
- Electrical installation 4
- General 4
- General safety precautions 4
- Intended use 4
- Objects below the hood of the unit after finishing installation or maintenance work 4
- Requirements of the heating and filling water 4
- Safety instructions for installation and operation 4
- Servicing connection and initial commissioning must only be carried out by persons who are authorised and who have successfully completed qualifying technical or vocational training and who have taken part in advanced training sessions recognised by the relevant responsible authorities for the specific activity these include in particular certified heating engineers qualified electricians and hvac specialists who because of their professional training and expert knowledge have experience in the professional installation and maintenance of heating cooling and air conditioning systems as well as hot water storage tanks 4
- Switch off the external main switch 4
- Warning 4
- Work on the unit such as setup 4
- General safety precautions 5
- Handover to operator and warranty 5
- Heating and sanitary side connection 5
- Instructing the owner 5
- Operation 5
- Warranty conditions 5
- Design and components 6
- Product description 6
- Product description 7
- 2 2 500 l models 8
- Product description 8
- Unpressurised system drainback 8
- 2 3 300 l models 9
- Product description 9
- 2 4 500 l p models 10
- Pressurised system 10
- Product description 10
- Brief description 11
- Product description 11
- Dirt filter 12
- Electric immersion heaters 12
- Kfe filling connection 12
- Non return valves 12
- Optional accessories 12
- Product description 12
- Scalding protection 12
- Scope of delivery 12
- Solar storage tank extension kit 12
- Important information 13
- Installing the hot water storage tank 13
- Set up 13
- Set up and installation 13
- Hydraulic system connection 14
- Important information installation 14
- Installation 14
- Set up and installation 14
- Buffer tank 15
- Filling topping up 15
- Hot water heat exchanger 15
- Set up and installation 15
- Start up 16
- Draining the storage tank 17
- Taking out of service 17
- Temporary shutdown 17
- Taking out of service 18
- With pre mounted kfe filling connection 18
- With subsequently fitted kfe filling connection 18
- Without kfe filling connection 18
- Drain the solar panel circuit only pressurised system 19
- Draining the heating circuit and hot water circuit 19
- Final shutdown 19
- Taking out of service 19
- 6 1 standard connection schematic with heat pump and drain back solar system 20
- Connection schemata 20
- Hydraulic 20
- Solution for low temperature heat pumps 20
- 6 2 standard connection schematic for the incorporation of several hot water storage tanks large installations 21
- Hydraulic 21
- Solution for systems with high hot water demand 21
- Hydraulic 22
- Solution for oil or gas condensing boilers 22
- Solution for sanitary side connection 22
- Annual inspection 23
- Periodic checks 23
- Service and maintenance 23
- 8 1 type plate 24
- Information 24
- Information on the type plate 24
- Several hot water storage tanks listed here are probably not offered in certain countries 24
- Technical data 24
- Basic data 25
- Technical data 25
- Technical data 26
- Technical data 27
- Technical data 28
- Technical data 29
- 8 2 hot water performance with reheating 30
- 8 3 pressure drop characteristic for the heat exchanger 30
- 8 4 hot water performance without reheating 30
- 8 5 pressure drop characteristic for the heat exchanger 30
- Ekhwd ekhwc 30
- Information 30
- L min can in certain rare circumstances lead to noises in the domestic water heat exchanger of the hot water storage tank 30
- Maximal available hot water volume at 40 c is shown as a function of the draw off rate in 8 2 hot water performance with 30
- Maximal available hot water volume at 40 c is shown as a function of the draw off rate in 8 4 hot water performance without 30
- Performance diagrams 30
- Reheating 4 30 for 10 c cold water entry temperature and 60 c storage tank temperature at draw off start and reheating with 20 kw 30
- Reheating 4 30 for 10 c cold water entry temperature and 60 c storage tank temperature at draw off start without reheating 30
- Technical data 30
- Technical data 31
- Tightening torque 31
- List of keywords 32
- Numerics 32
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