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Daikin EKHWC500BA [31/36] X technical data
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9 x Technical data
Daikin EKHWP/EKHWC/EKHWD
Daikin High-efficiency hot water storage tank
008.1618744 – 03/2017
Installation and operating instructions
31
9.2 Performance diagrams
9.2.1 EKHWD / EKHWC 9.2.2 EKHWP
S#Q EKHWC500B
S#H EKHWCH500B
S#I EKHWCB500B
S#J EKHWCH300B
S#K EKHWCH500PB
S#L EKHWCB500PB
S#M EKHWCH300PB
S#O EKHWDH500B
S#P EKHWDB500B
Z/ L/min
Draw-off rate in litres per
minute
V
Zmax
/L
Maximum draw-off rate in
litres
Hot water volume with reheating at a rating of 20 kW
(T
KW
= 10 °C,T
WW
= 40 °C,T
SP
= 60 °C)
Fig. 9-1 Hot water output with respect to draw-off rate
Draw-off rates >36 l/min can, in certain rare circum-
stances, lead to noises in the domestic water heat
exchanger of the hot water storage tank.
a Drinking water heat exchanger
(EKHWDH500B, EKHWDB500B, EKHWC500B, EKHWCH500B,
EKHWCH500PB, EKHWCB500B, EKHWCB500PB)
b Drinking water heat exchanger
(EKHWCH300B, EKHWCH300PB)
c Storage tank charging heat exchanger 1 or 2
(EKHWDH500B, EKHWDB500B, EKHWCH500B,
EKHWCH500PB, EKHWCB500B, EKHWCB500PB)
d Storage tank charging heat exchanger 1
(EKHWCH300B, EKHWCH300PB)
e Heating support heat exchanger
(EKHWCH500B, EKHWCH500PB, EKHWCB500B,
EKHWCB500PB)
p/mbar Pressure drop in millibar
m/ L/h Flow rate in litres per hour
m/ L/h Flow rate in litres per minute
Fig. 9-2 Pressure drop characteristic for the heat exchanger
0
5
Z / L/min
200 400 600
1000
10
15
20
25
30
V / L
Z,max
800 1200
S#H; S#K
S#I; S#L
S#J; S#M
S#P; S#O
S#B EKHWP500B
S#D EKHWP300B
S#F EKHWP500PB
S#G EKHWP300PB
Z/ L/min
Draw-off rate in litres per
minute
V
Zmax
/L
Maximum draw-off rate in
litres
Hot water volume without re-heating (T
KW
= 10 °C, T
WW
= 40 °C, T
SP
= 60 °C).
Fig. 9-3 Hot water output with respect to draw-off rate
Draw-off rates >36 l/min can, in certain rare circum-
stances, lead to noises in the domestic water heat
exchanger of the hot water storage tank.
a Drinking water heat exchanger
(EKHWP500B, EKHWP500PB)
b Drinking water heat exchanger
(EKHWP300B, EKHWP300PB)
c Storage tank charging heat exchanger 1
(EKHWP500B, EKHWP500PB)
d Storage tank charging heat exchanger 1
(EKHWP300B, EKHWP300PB)
f Heating support heat exchanger
(EKHWP500B, EKHWP500PB)
p/mbar Pressure drop in millibar
m/ L/h Flow rate in litres per hour
m/ L/h Flow rate in litres per minute
Fig. 9-4 Pressure drop characteristic for the heat exchanger
f
Содержание
- High efficiency hot water storage tank 1
- Installation and operating instructions 1
- Annual inspection 25 3
- Avoiding danger 3
- Basic data 26 3
- Brief description 3 3
- Connection diagrams 23 3
- Design and components 3
- Draining the storage tank 1 3
- Filling topping up 8 3
- Final shutdown 2 3
- General information 3
- Hydraulic connection 3 3
- Installation 5 3
- Installation 6 3
- Instructions for operating safety 3
- List of contents 3
- List of keywords 5 3
- Notes 3 3
- Optional accessories 4 3
- Performance diagrams 31 3
- Periodic checks 25 3
- Product description 3
- Refer to the manual 3
- Safety 3
- Scope of delivery 3 3
- Service and maintenance 5 3
- Set up and installation 5 3
- Start up 0 3
- Taking out of operation 1 3
- Technical data 6 3
- Temporary shutdown 1 3
- Tightening torque 32 3
- Use as intended 3
- Warning signs and explanation of symbols 3
- General information 4
- Refer to the manual 4
- Relevant documents 4
- X general information 4
- Avoiding danger 5
- Handling instructions 5
- Meaning of the warnings 5
- Safety 5
- Validity 5
- Warning signs and explanation of symbols 5
- X safety 5
- Before working on the hot water storage tank and the heating system 6
- Electrical installation of optional accessories 6
- Housing installation room 6
- Instructions for operating safety 6
- Requirements of the heating and filling water 6
- Use as intended 6
- X safety 6
- Documentation 7
- Heating and sanitary side connection 7
- Instruct the owner 7
- Operation 7
- X safety 7
- Design and components 8
- Product description 8
- X product description 8
- High performance hot water storage tank for heat pump systems 9
- Non pressurised system drainback 9
- X product description 9
- Fig 3 2 connections and dimensions high performance hot water storage tank with solar support type ekhwp 300 500bp 10
- Pressurised system 10
- X product description 10
- High performance hot water storage tank for all heat sources excluding low temperature heat pumps 11
- Non pressurised system drainback 11
- X product description 11
- Pressurised system 12
- X product description 12
- Brief description 13
- Economical operation 13
- Electronic control 13
- Low maintenance and corrosion 13
- Low scaling 13
- Modular extension facility 13
- Optimum water hygiene 13
- Scope of delivery 13
- X product description 13
- Dirt filters 14
- Electric immersion heaters 14
- Flowguard flg 14
- For convenient filling and draining of the daikin hot water storage tank you can connect the kfe filling connection kfe ba 14
- For ekhwc ekhwd 14
- For ekhwp booster heater 14
- 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 hot water storage tank and cause blockages local overheating or corrosion this can be prevented by fitting a dirt filter or sludge trap see daikin price list 14
- If the heat output of a single daikin hot water storage tank is not adequate you can interconnect several ekhwp ekhwc ekhwd modules 14
- In addition to the heating capability via the corrugated stainless steel pipe heat exchanger and various different heat sources and energy carriers the daikin high performance hot water storage tank can also be charged using an electric immersion heater 14
- Kfe filling connection 14
- Non return valves 14
- Optional accessories 14
- Scalding protection 14
- Scalding protection vta32 14
- Screw connection set 1 14
- Solar storage tank extension kit 14
- Solar storage tank extension kit 2 con sxe 14
- Solar storage tank extension kit con sx 14
- The following components are offered 14
- The installation and operation of this accessory component is de scribed in detail in the individual operating and installation in structions provided 14
- 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 14
- 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 7 hydraulic connection 14
- To prevent heat loss from the connection pipes when the circu lation pump is switched off and during periods when no domestic water is drawn off gravity circulation you should fit circulation brakes in the connections for the daikin high performance hot water storage tank see tab 3 1 14
- With seasonal variations in demand these 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 14
- X product description 14
- Important information 15
- Installation 15
- Installing the hot water storage tank 15
- Set up and installation 15
- X set up and installation 15
- Important information 16
- Installation 16
- X set up and installation 16
- Hydraulic system connection 17
- X set up and installation 17
- All ekhwd hot water storage tanks 18
- Buffer tank 18
- Caution 18
- Ekhwp ekhwc hot water storage tank without 18
- Filling topping up 18
- Hot water heat exchanger 18
- If filling or topping up the storage tank is done by means of the boiler filling and drain valve a temporary filling loop must be used with the appropriate backflow prevention device in accordance with clause g24 guidance to the water supply water fittings regulations 1999 18
- If there is an electric immersion heater booster heater or regulation and pump station installed in the hot water storage tank then these components must be isolated from the power supply before starting the work e g fuse main switch switched off and secured against inadvertent switching on again 18
- Live parts can cause an electric shock on contact and cause fatal burns or injuries 18
- Solar system and without kfe filling connection kfe ba 18
- Warning 18
- X set up and installation 18
- Ekhwp ekhwc hot water storage tank with solar system 19
- X set up and installation 19
- A hot water storage tank commissioned im properly can lead to property damage 20
- Caution 20
- For filling and top up water with high water hardness take measures for softening the water or stabilising hardness 20
- If the booster heater is started with the storage tank empty or not completely full it can lead to a reduction in performance of the electric heating tripping of the safety temperature limiter 20
- Installation commissioning may only be carried out by authorized and trained heating technicians following the installation and maintenance manual included 20
- Observe the regulations in vdi 2035 in order to avoid corrosion and deposits 20
- Only original daikin replacement parts may be used 20
- Operate the electric immersion heater booster heater only with the storage tank completely full 20
- Set the pressure reducer on the cold water connection to a maximum of 6 bar 20
- Start up 20
- Units which have been set up and installed incorrectly may not operate properly and can be a health and safety risk endangering human life 20
- Warning 20
- X start up 20
- A heating system which is shut down can freeze in the event of frost and may suffer damage 21
- Allow the hot water storage tank to cool down adequately before any installation work 21
- Caution 21
- Danger of scalding caused by emerging hot water from the storage tank 21
- Draining the storage tank 21
- In the event of a danger of frost start the entire daikin heating system up again and activate the frost protection function or take the appropriate frost protection measures for the hot water storage tank e g by draining 21
- Taking out of operation 21
- Temporary shutdown 21
- Warning 21
- Wear protective gloves 21
- With pre mounted kfe filling connection 21
- With solar system 21
- With subsequently fitted kfe filling connection 21
- Without kfe filling connection 21
- Without solar system 21
- X taking out of operation 21
- Caution 22
- Drain the solar panel circuit only pressurised system 22
- Draining the heating circuit and hot water circuit 22
- Final shutdown 22
- If heat transfer media containing glycol are ex posed to temperatures above 170 c over an extended period they will decompose or form silt this may reduce the frost protection affect the output of the solar system and damage com ponents of the system 22
- In the event of extended standstill of the solar panel circuit drain in accordance with the installation instructions of the regulating and pump unit 22
- Recommendations for disposal 22
- Storage water will gush out as soon as the seal ing plug is removed 22
- There is no valve and no non return flap on the filling and draining connection 22
- X taking out of operation 22
- Connection diagrams 23
- Hydraulic connection 23
- Solution for low temperature heat pumps 23
- X hydraulic connection 23
- X hydraulic connection 24
- All work performed on live components must be carried out in accordance with the proper proce dures otherwise there may be a danger to the life and health of individuals and the function may be impaired 25
- Annual inspection 25
- If there is an electric immersion heater booster heater or regulation and pump station installed in the hot water storage tank then these components must be isolated from the power supply before starting the inspection and maintenance work e g fuse main switch switched off and secured against inadvertent switching on again 25
- Live parts can cause an electric shock on contact and cause fatal burns or injuries 25
- Periodic checks 25
- Rectification of damage to live components may only be carried out by heating engineers authorised and recognised by the energy supply company 25
- Service and maintenance 25
- Warning 25
- X service and maintenance 25
- Basic data 26
- Technical data 26
- X technical data 26
- Non pressurised drainback db 27
- X technical data 27
- Pressurised system p 28
- X technical data 28
- Non pressurised drainback db 29
- X technical data 29
- Pressurised system p 30
- X technical data 30
- Ekhwd ekhwc 31
- Ekhwd ekhwc 9 ekhwp 31
- L min can in certain rare circum stances lead to noises in the domestic water heat exchanger of the hot water storage tank 31
- Performance diagrams 31
- X technical data 31
- Tightening torque 32
- X technical data 32
- X notes 33
- X notes 34
- List of keywords 35
- Numerics 35
- X list of keywords 35
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