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Danfoss Akva Lux II TDv, Mounting And Installation Manual, Page: 2 / 28

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Danfoss Akva Lux II TDv Mounting And Installation Manual Download Page 2

 

1.0 Content........................................................................................................................................................................................................................................2

2.0  Installation instructions, safety and handling ...............................................................................................................................................................3

3.0  Product introduction ..............................................................................................................................................................................................................5

4.0  Getting started - Quick guide for easy start-up ............................................................................................................................................................6

5.0  Main components / Connections ......................................................................................................................................................................................7

6.0  Diagram, Dimensional sketch, Example ..........................................................................................................................................................................8

7.0 General ........................................................................................................................................................................................................................................9

8.0 Recirculation ........................................................................................................................................................................................................................... 10

9.0  Safety set ................................................................................................................................................................................................................................. 13

10.0  Adjustment and commissioning ..................................................................................................................................................................................... 14

11.0  Domestic hot water ............................................................................................................................................................................................................. 16

12.0 Maintenance........................................................................................................................................................................................................................... 17

13.0 Troubleshooting ................................................................................................................................................................................................................... 19

14.0  EU Declaration of conformity ........................................................................................................................................................................................... 22

15.0  Commissioning Certificate ................................................................................................................................................................................................ 23

16.0  Guidelines for water quality in Danfoss brazed heat exchangers ....................................................................................................................... 24

1.0 Content

2

Instructions 

 

 

Akva Lux II TDv

DKDHR 

145X2085  /  AQ428255318526en-010101 

Danfoss District Energy

Summary of Contents for Akva Lux II TDv

Page 1: ...Dv Fully insulated district heating substation for district heating and in stantaneous DHW Fullyinsulateddistrictheatingsubstationforlow temperaturedistrictheatingandinstantaneousdomestichotwater Akva...

Page 2: ...ple 8 7 0 General 9 8 0 Recirculation 10 9 0 Safety set 13 10 0 Adjustment and commissioning 14 11 0 Domestic hot water 16 12 0 Maintenance 17 13 0 Troubleshooting 19 14 0 EU Declaration of conformity...

Page 3: ...red in a dry heated i e frost free room Relative humidity max 80 and storage temperature 5 70 C Theunitsmustnotbestackedhigherthanthelimitatthefactory max 8layers Unitssuppliedincardboardpackagingmust...

Page 4: ...rictheatingsta tionsandplumbinginstallations Equipotentialbondingshouldbeinac cordancewiththeprovisions60364 4 41 2007andIEC60364 5 54 2011 Binding point is marked with a grounding symbol on the botto...

Page 5: ...eaththeunit foruseonDHWandheatingsystemswithconcealedpipeinstallations Heat exchanger for DHW heating The substation is based on a brazed highly efficient plate heat exchanger which is controlled by a...

Page 6: ...ax 8mm screws expansion bolts or similar 2 Close all shut off valves before the water heater is connected to the household piping 3 Tighten all pipe connections as they may have loosened during trans...

Page 7: ...afety set for mounting underneath substation 145H3001 Actuator TWA Q for zone valve Supplement for stainless steel HEX XB 06H 1 26StS 26 pl Supplement for stainless steel HEX XB 06H 1 40StS 40 pl 5 MA...

Page 8: ...Akva Lux II TDv DH Return DHW DCW DH Supply 2 Plate heat exchanger DHW 4 Differential pressure controller AVPL 5 Strainer 38 DHW controller PTC2 P 40 Danfoss FJVR for bypass circ 52 Zone valve RA C D...

Page 9: ...a Lux II TDv substations can be removed without using tools Take hold of the air duct in the top and bottom of the front insulation section and pull carefully forward until the front insulation sectio...

Page 10: ...ted on the circulation pipe of the substation Seepages10to12forinformationaboutpreparation ofsubstationforandconnectiontotheDHWrecirculationsystem Remember always to mount circulation pump and non ret...

Page 11: ...controller Fig 3 Mount circulation hose end B1 in controller Fig 4 Unscrew the 3 screws on locking rail Fig 5 Demount locking rail Fig 6 Demount support rail as shown Fig 7 GB Place bracket C on suppo...

Page 12: ...port rail Fig 14 Fit new capillary tube G on nipple B by means of union nut and cutting ring H Tighten with single end wrench Fig 15 Fit the other end of the capillary tube G on T piece by means of un...

Page 13: ...ems with recirculation For mounting underneath unit Please note that the safety kit shown can be used on different unit types and that there may therefore be components pipe pieces that should not be...

Page 14: ...just ment is made according to the instructions in this manual Commissioning Commission the substation in accordance with the instruction manual Heating circuit Differential Pressure Controller The di...

Page 15: ...s controlled by the room thermostat and radiator thermostats Please note that the room thermostat keeps the temperature at a constant level in the whole apartment according to the set room parameters...

Page 16: ...Thetemperature must never exceed 55 C to prevent limescale deposits building up in the water heater Bypass thermostat default As a standard the substation is equipped with a bypass thermostat Danfoss...

Page 17: ...cause aerated water is used on the secondary side If it becomes necessary to clean the exchanger with acid this canbedoneasshownonthedrawingtotheright Brazedplateheat exchangers can withstand rinsing...

Page 18: ...e component in question Clean all dirt filters strainers in the substation Replace any filters that are not intact Check that any electrical cables are in ser viceable condition and that it is possibl...

Page 19: ...ctions Poor cooling Insufficient heating surface radiators too small compared to the total heating requirement of the building Poor utilisation of the existing heating sursurface Increase total heatin...

Page 20: ...in the pump housing No hot water Dirt strainer in the district heating sup ply line clogged Defective DHW controller Defective sensor PTC2 Clean the dirt strainer Check controller settings You may con...

Page 21: ...eat exchanger Short circuited heat exchanger Clean heat exchanger with acid solution or replace heat exchanger Replace heat exchanger Discoloured water for a longer period Short circuited heat exchang...

Page 22: ...22 DKDHR 145X2085 AQ428255318526en 010101 Danfoss District Energy Instructions Akva Lux II TDv 14 EU DECLARATION OF CONFORMITY...

Page 23: ...ions and the applicable legislation in every respect Installation and commissioning must only be performed by trained authorised personnel The substation is checked in the factory for leaks before del...

Page 24: ...o 0 5 Good corrosion resistance o Corrosion could happen when more parameters are evaluated with o o Risk of corrosion Use is not recommended Hardness ration limits defined per experience and interna...

Page 25: ...25 25 Danfoss District Energy 145X2085 AQ428255318526en 010101 DKDHR Instructions Akva Lux II TDv...

Page 26: ...26 DKDHR 145X2085 AQ428255318526en 010101 Danfoss District Energy Instructions Akva Lux II TDv...

Page 27: ...27 27 Danfoss District Energy 145X2085 AQ428255318526en 010101 DKDHR Instructions Akva Lux II TDv...

Page 28: ...28 DKDHR 145X2085 AQ428255318526en 010101 Danfoss District Energy Instructions Akva Lux II TDv...

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