Daikin EKSV21P, EKSV26P, EKSH26P Installation manuals
Planning and installation instructions
DAIKIN DrainBack solar system
EKSV21P
EKSV26P
EKSH26P
Solar assembly packages
Planning and installation instructions |
English |
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DAIKIN DrainBack solar system |
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Table of contents
1 General information. . . . . . . . . . . . . . . . . . . . 3
1.1 Refer to the manual . . . . . . . . . . . . . . . . . . . . . . . 3
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Warning signs and explanation of symbols . . . . . 4
2.1.1 Meaning of the warnings. . . . . . . . . . . . . . . . . . . . . .4 2.1.2 Handling instructions. . . . . . . . . . . . . . . . . . . . . . . . .4
2.2 Avoiding danger. . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.3 Use as intended. . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.4 Instructions for operating safety. . . . . . . . . . . . . . 5
2.4.1 Working on the roof. . . . . . . . . . . . . . . . . . . . . . . . . .5 2.4.2 Before working on the heating system . . . . . . . . . . .5 2.4.3 Electrical installation . . . . . . . . . . . . . . . . . . . . . . . . .5
2.4.4Installation room, water quality, heating and sanitary
connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2.4.5 Instruct the owner . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2.4.6 Relevant national regulations . . . . . . . . . . . . . . . . . .5
3 Product description. . . . . . . . . . . . . . . . . . . . 6
3.1Construction and components of the Solar system
(unpressurised system) . . . . . . . . . . . . . . . . . . . . 6 3.2 Brief description . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.3 System components for pressure-less systems. . 7
3.3.1 System components for all systems . . . . . . . . . . . . .7
3.3.2System components for roof-mounted systems
(ADM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 3.3.3 System components for in-roof systems (IDM). . . .11 3.3.4 System components for flat roof systems (FDM) . .13
4 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.1 Transport and storage . . . . . . . . . . . . . . . . . . . . 16
4.1.1 Transport. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 4.1.2 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.2 System layouts. . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2.1 Parallel connection . . . . . . . . . . . . . . . . . . . . . . . . .17 4.2.2 Series connection . . . . . . . . . . . . . . . . . . . . . . . . . .17
4.3 Laying the connecting pipe . . . . . . . . . . . . . . . . 18 4.4 Mounting the flat solar panels . . . . . . . . . . . . . . 20
4.5Connecting the pressure-less Solar system
hydraulically . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 4.6 Installing the equipotential bonding terminal . . . 24 4.7 Installing the solar panel temperature sensor . . 24
5 Start-up and taking out of operation . . . . . 25
5.1 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 5.2 Taking out of operation . . . . . . . . . . . . . . . . . . . 25
5.2.1 Temporary shutdown . . . . . . . . . . . . . . . . . . . . . . .25 5.2.2 Final shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
6 Technical data . . . . . . . . . . . . . . . . . . . . . . . 27
6.1 Product fiche . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 6.2 General technical information . . . . . . . . . . . . . . 27
6.3Roof-mounted system – Max. permissible snow
load (roof-mounted) as per EN 1991-1-3. . . . . . 28
6.4Flat roof system – Required ballast weights
(flat roof mounting) as per EN 1991-1-4. . . . . . . 29 6.5 Flat roof system – Shading . . . . . . . . . . . . . . . . 30
7 List of keywords . . . . . . . . . . . . . . . . . . . . . 31
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Planning and installation instructions |
EKSV21P + EKSV26P + EKSH26P |
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DAIKIN DrainBack solar system |
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008.1629499_02 – 07/2020 – EN |
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1 General information
1General information
1.1 Refer to the manual
These instructions are a >> translation of the original version << in your language.
All procedures required for installation, start-up, operation and adjustment of the system are described in this instruction manual and associated documents. Detailed information on the connected components of your heating system is given in the relevant manuals.
●Work on the DAIKIN Solar system (such as hydraulic and electrical connection and initial start-up) is only to be carried out by persons who are authorised and who have successfully completed qualifying technical or vocational training in the respective activity and who have taken part in professional advanced training courses recognised by the competent authority. This especially includes heating specialists who have experiencein the proper installation and maintenance of heating and solar systems due to their technical training and specialist knowledge.
●Please read this manual carefully and thoroughly before proceeding with the installation and initial start-up or modification of the system.
●Comply strictly with warning instructions.
Relevant documents
Documents listed below are part of the technical documentation of the DAIKIN solar system and therefore must be observed. The documents are part of the scope of delivery of the respective components.
–DAIKIN Solar EKSRPS4A: Operating and installation instructions
–DAIKIN hot water storage tank (EKHWP or Altherma EHS(X/H)): Operating and installation instructions
–Quick instructions for solar panel assembly and the requisite assembly materials, which accompany the respective construction kits, for roof-mounted, in-roof and flat roof mounting
When connecting to an external heat generator or storage tank which is not included in the scope of delivery, the individual associated operating and installation instructions apply.
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EKSV21P + EKSV26P + EKSH26P |
Planning and installation instructions |
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DAIKIN DrainBack solar system |
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008.1629499_02 – 07/2020 – EN |
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2Safety
2Safety
2.1Warning signs and explanation of symbols
2.1.1 Meaning of the warnings
Warnings in this manual are classified according into their severity and probability of occurrence.
DANGER!
Draws attention to imminent danger.
Disregarding this warning can lead to serious injury or death.
WARNING!
Indicates a potentially dangerous situation.
Disregarding this warning may result in serious physical injury or death.
CAUTION!
Indicates a situation which may cause possible damage.
Disregarding this warning may cause damage to property and the environment.
This symbol identifies user tips and particularly useful information, but not warnings or hazards.
Special warning signs
Some types of danger are represented by special warning symbols.
Electric current
Risk of burning or scalding
Danger of falling
Danger of falling parts
2.1.2 Handling instructions
●Handling instructions are shown as a list.
Actionsforwhichthesequentialordermustbe maintained are numbered.
Results of actions are identified with an arrow.
2.2 Avoiding danger
DAIKIN solar installations are state-of-the-art and are built to meet all recognised technical requirements.However,improperusemayresult in serious physical injuries or death, as well as property damage. To prevent such risks, install and operate DAIKIN solar installations only:
–as stipulated and in perfect condition,
–with an awareness of safety and the hazards
involved.
This assumes knowledge and use of the contents of this manual, of the relevant accident prevention regulations as well as the recognised safety-related and occupational health rules.
2.3 Use as intended
The DAIKIN solar system may only be used for solar-supported heating of hot water systems. The DAIKIN solar system must be installed, connected and operated only according to the instructions in this manual.
Any other use outside the intended use is considered as improper. The operator alone shall bear responsibility for any resulting damage.
Intended use also includes compliance with the maintenance and service conditions. Replacement parts must at least satisfy the technical requirements defined by the manufacturer. This is the case, for example, with original spare parts.
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Planning and installation instructions |
EKSV21P + EKSV26P + EKSH26P |
4 |
DAIKIN DrainBack solar system |
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008.1629499_02 – 07/2020 – EN |
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2Safety
2.4 Instructions for operating safety
2.4.1 Working on the roof
●Installation work on the roof may only be carried out by authorised and trained persons (heating technicians, roofers, etc.) in compliance with the relevant Accident
Prevention Regulations.
●Material and tools must be secured against falling.
●Barriers must be erected to prevent persons from entering the area below the roof where the work is being carried out.
2.4.2 Before working on the heating system
●All work on the heating system (such as installation, connection and initial start-up) may only be carried out by authorised and trained heating technicians.
●Switch off the main switch and secure against being switched on inadvertently when carrying out any work on the heating system.
2.4.3 Electrical installation
●Electrical installations must only be carried out by electrical engineers and in compliance with valid electrical guidelines as well as the specifications of the responsible energy supply company (EVU).
●In accordance with IEC 60335-1, connect the mains via a separator device which exhibits contact separation in all poles with a contact opening distance that provides full disconnection in accordance with the conditions of overvoltagecategoryIII andaresidualcurrent circuit breaker (RCD) with a reaction time
≤ 0.2 s.
●Compare the mains voltage (230 V, 50 Hz) indicated on the nameplate with the supply voltage before connecting to the mains.
●Before beginning work on live parts, disconnect them from the power supply
(switch off main switch, remove fuse) and secure against being switched on again inadvertently.
●Equipmentcoversandservicepanelsmustbe replaced as soon as the work is completed.
2.4.4Installation room, water quality, heating and sanitary connection
Therequirementsoninstallingthehotwatertank
(EKHWP or Altherma EHS(X/H)), on the water quality, as well as the heating and sanitary connection are described in detail in the instructions for the hot water tank. It is essential they are complied with.
2.4.5 Instruct the owner
●Before you hand over the heating system, explain to the user/owner how to operate and check the heating system.
●Document the handover by filling out the installationandinstructionformstogetherwith the owner and sign them.
2.4.6 Relevant national regulations
●DIN 1055-4: 2005 / EN 1991-1-4 Wind actions
●DIN 1055-5: 2005 / EN 1991-1-3 Snow loads
●DIN 18338 Roofing work
●DIN 18451 Scaffolding work
●DGUV Information 208-016
●DGUV Information 201-054
●DGUV Regulation 112-198
The accident prevention regulations must be heeded when working on the roof.
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EKSV21P + EKSV26P + EKSH26P |
Planning and installation instructions |
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DAIKIN DrainBack solar system |
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008.1629499_02 – 07/2020 – EN |
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3Product description
3Product description
3.1Construction and components of the Solar system (unpressurised system)
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TK |
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≥0,5 % |
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>2% |
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FLS |
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TV |
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FLS |
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AB A |
TK |
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AB A |
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EKSRPS4A |
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EKSRPS4A |
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TS |
TS |
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EKHWP |
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EHS(X/H) |
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1Cold water connection pipe
2Hot water distribution pipe
3Filling and draining ball valve (accessory KFE BA)
4Solar R4 control unit
5Solar return flow pipe (bottom of the solar panel)
6Solar inflow pipe (top of the solar panel)
7Solar panel array
8Solar inflow layering pipe
9Solar return flow connection
AHot water zone
BSolar zone
FLS Solar FlowSensor (flow rate measurement) PS Solar operating pump
EKSRPS4A
Control and pump unit
Solar panel temperature sensor Solar return flow temperature sensor
Solar storage tank temperature sensor Solar inflow temperature sensor
EHS(X/H)
Solar tank with integrated interior heat pump unit EKHWP
Energy storage tank EKHWP
Fig. 3-1 Standard design of a DAIKIN Solar system (DAIKIN recommends a two-way connection)
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Planning and installation instructions |
EKSV21P + EKSV26P + EKSH26P |
6 |
DAIKIN DrainBack solar system |
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008.1629499_02 – 07/2020 – EN |
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3Product description
3.2 Brief description
The DAIKIN solar system is a thermal solar system for supplying hot water for consumption and solar support.
The pressure-less system (DrainBack) must only be used with the EKSRPS4A control and pump unit.
Prerequisite for fault-free operation in the DrainBack system is that the connecting pipes are laid with a consistent gradient (at least 2 %) and, with two-way connection, the bottom edges of the solar panel with constant gradient to the return flow connection or with equilateral connection, mounted horizontally.
Operating mode
The Solar EKSV21P, EKSV26P and EKSH26P high-perfor- mance flat solar panels convert solar radiation into heat with a high degree of efficiency. The heat carrying medium is water with which the storage tanks are filled in accordance with the associated installation instructions.
As soon as the solar panels have reached a useful temperature level, the buffer water in the storage tank (which is not under pressure) is pumped directly through the panels. With insufficient panel temperature, the circulation pump is switched off and the system is drained automatically. This operating mode has several advantages:
–High operating safety as there are no components (such as expansion vessel, safety valve, vent valves) sensitive to damage or interference
–Excellent heat transfer and heat storage capacity (system works without antifreeze agents)
–Minimum maintenance requirements
–Frostproof
–No additional solar heat exchanger required
–No stagnation problems
Modular design
The system consists of several pre-assembled modules. Plug-in technology and a high degree of pre-assembly ensure fast and simple system installation.
Storage tank
The following storage tanks can be used for the DAIKIN solar system:
–DAIKIN EKHWP: Highly thermally insulated, unpressurised solar stratified tank (with possibility to connect to a DAIKIN air/water heating pump).
–DaikinAlthermaintegratedsolarunit:Solarstratifiedtankwith integrated indoor unit of an air/water heating pump.
Design, functionality, start-up and operation of the storagetanksandotherSolarcomponentsnotmentionedin chap. 3.3 are not described in these instructions.
Detailedinformationonthesecomponentscanbefound in the associated operating and installation instructions.
The handling instructions and descriptions mentioned in these instructions basically apply to all DAIKIN storage tanks that can be used in this solar system, even if only one type is described for illustrative purposes. If there are variances to other storage tanks, special reference is made.
Electronic control
The fully electronic DAIKIN Solar R4 control unit ensures optimum utilisation of the solar heat (hot water heating, heating support) and the observance of all safety-relevant aspects. All parameters needed for trouble-free operation have been preset at the factory.
3.3System components for pressure-less systems
3.3.1 System components for all systems High-performance flat solar panels
EKSV21P |
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H x W x D: 2000 x 1006 x 85 mm, weight: approx. 35 kg |
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EKSV26P |
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H x W x D: 2000 x 1300 x 85 mm, weight: approx. 42 kg |
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EKSH26P |
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H x W x D: 1300 x 2000 x 85 mm, weight: approx. 42 kg |
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V21P |
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V26P |
H26P |
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1a High-performance EKSV21P / EKSV26P flat solar panel 1b High-performance EKSH26P flat solar panel
Fig. 3-2 Flat solar panel
FIX MP solar panel mounting rails
FIX MP100 for one EKSV21P flat solar panel
FIX MP130 for one EKSV26P flat solar panel
FIX MP200 for one EKSH26P flat solar panel
2a (2x) |
2b (2x) |
2a Mounting profile rail
2b Solar panel securing clips Fig. 3-3 FIX MP
EKSV21P + EKSV26P + EKSH26P |
Planning and installation instructions |
DAIKIN DrainBack solar system |
7 |
008.1629499_02 – 07/2020 – EN |
3Product description
Solar panel connection Solar |
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Extension kit for CON XV feed line |
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FIX VBP |
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CON XV80, L=8 m |
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UV-resistant thermally insulated feed line with integrated sensor |
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cable, pipe clamps, cable connection fitting and connecting |
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3a (2x) |
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3b (2x) |
3c (2x) |
fitting. |
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3a Double terminal block for solar panel fastening
3b Mounting profile connector
3c Compensator for solar panel connection with mounting support Fig. 3-4 FIX VBP
CON 15 and CON 20 connection pipes
CON 15, L=15 m and
CON 20, L=20 m
Connecting pipes between solar panel array and EKSRPS4A (heat-insulated inflow pipe and return flow pipe (Al-PEX compound pipe) with integrated sensor cable).
L
Fig. 3-5 CON 15 / CON 20
Extension kits for CON X connection pipe
CON X25, L=2.5 m
CON X50, L=5 m CON X100, L=10 m
Heat insulated feed and return line with integrated sensor cable, pipe clamps and connecting fittings.
Fig. 3-6 CON X (optional) |
Fig. 3-7 CON XV (optional)
Vessel holder set (TS) for CON 15 and CON 20 connecting pipes
TS, L=1.30 m
Vessel holders for supporting CON 15 and CON 20 connecting pipes (avoidance of water sacks).
4a (5x) |
4b |
4a Vessel holders
4b Quick instructions Fig. 3-8 TS (optional)
Planning and installation instructions |
EKSV21P + EKSV26P + EKSH26P |
8 |
DAIKIN DrainBack solar system |
008.1629499_02 – 07/2020 – EN |
3 Product description
3.3.2 System components for roof-mounted systems (ADM)
Roof penetration packs, roof-mounted
EKSRCAP (anthracite)
EKSRCRP (brick-red)
5a Solar panel connecting elbow, return flow
5b Solar panel connecting elbow, inflow
5c Sealing plugs
5e-g Pipe clamps with hangar bolts
5h Single terminal block with equipotential bonding terminal
5i Single terminal block
5j Cable tie
5k Solar panel temperature sensor
5l-n Extraction tool with inserts for Ø 15 mm and Ø 18 mm 5o Planning and installation instructions
5p Quick instructions
5q Cable connection fitting
5r Roof penetration
5s Foam wedge
5v HT-Armaflex ø22x13 UV-resistant (2 m) Fig. 3-9 EKSRCAP, EKSRCRP
Solar panel row connector
CON RVP
For connecting two solar panel rows one above the other.
5a
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5c |
5h (2x) |
(2x) |
5w
5i (2x)
5a
5i Single terminal block
5h Single terminal block with equipotential bonding terminal
5c Sealing plugs
5a Solar panel connecting elbow
5w 1 m heat-insulated Al-PEX compound pipe Fig. 3-10 CON RVP
On-roof mounting packs
FIX ADDP for roof tiles/shingles
12b |
(2x) |
12a |
(2x) |
12c |
(2x) |
12d (4x) |
12e |
12a Roof mounting hook
12b Packing plate 2 mm
12c Packing plate 5 mm
12d Hexagon wood screws M8 x100
12e Quick instructions Fig. 3-11 FIX ADDP
FIX ADS for flat roofing (e.g. slate)
12f
(4x)
12g
12f Roof mounting hook
12g Quick instructions Fig. 3-12 FIX ADS
EKSV21P + EKSV26P + EKSH26P |
Planning and installation instructions |
DAIKIN DrainBack solar system |
9 |
008.1629499_02 – 07/2020 – EN |
3Product description
FIX WD for corrugated roofing
12h (4x)
12i
12h Mounting profile beam
12i Quick instructions Fig. 3-13 FIX WD
FIX BD for folded sheet metal roofing
12j 
(4x)
12k 
12j Mounting profile beam
12k Quick instructions Fig. 3-14 FIX BD
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Planning and installation instructions |
EKSV21P + EKSV26P + EKSH26P |
10 |
DAIKIN DrainBack solar system |
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008.1629499_02 – 07/2020 – EN |
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