Danfoss Akva Lux II TDP Reno User Manual Download

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Instructions for installation and use

Reno

Exchange of gas

boilers.

District district heating substation for heating and domestic hot water.

District heating substation

for exhange of Gas Boilers

Akva Lux II TDP Reno

www.danfoss.com

Summary of Contents for Akva Lux II TDP Reno

Page 1: ...or installation and use Reno Exchange of gas boilers District district heating substation for heating and domestic hot water District heating substation for exhange of Gas Boilers Akva Lux II TDP Reno www danfoss com ...

Page 2: ... adjustment setting 5 6 0 Installation instructions Safety and Handling 6 7 0 Getting started 7 8 0 Installation instructions General 8 8 1 Height adjustable cover 12 9 0 Adjustment and commissioning of the Akva Lux II TDP RENO 13 10 0 Maintenance 15 10 1 Maintenance schedule recommendations 16 11 0 Troubleshooting Heating 17 12 0 Troubleshooting Domestic hot water 18 12 0 EU Declaration of Confor...

Page 3: ...et for heat meter 24 Fitting piece for heat meter 38 PTC2 P controller 40 Danfoss FJVR thermostat for Bypass Circulation 52 Zone valve Danfoss RA C 60 Top connection DCW with fitting piece for cold water meter 3 4 x 110 mm optional Please note that the cover is adjustable by 100 mm in height Please refer to page 12 for more information Please note Your substation may look different than the substa...

Page 4: ...rn 5 District heating DH Supply top 6 District heating DH Return top 7 DCW connection top option Depth incl of mounting plate 150 mm Connections size DH HE DHW DCW G IT Dimensions Without cover H 920 x W 440 x D 150 mm With cover H 1130 1140 x W 480 x D 150 mm Please note that the cover is adjustable by 100 mm in height Please refer to page 12 for more infor mation 90 65 130 65 90 440 40 30 30 40 ...

Page 5: ...ion with readings of the district heating meter Pay special attention to any leaks and an excessively high return tem peratureinthedistrictheatingcircuit poorcoolingofthedistrictheat ingwater Cooling i e thedifferencebetweenthesupplyandreturn temperature of the district heating water has a significant effect on the overall economy Therefore it is important to focus on the supply and return tempera...

Page 6: ...pipe warm in the summer or regulates the circulation temperature if domestic hot water recir culation has been established in the hot water system The thermostat should initially be set to position 3 Heating circuit Differential Pressure Controller The differential pressure controller Fig 4 reduces the high fluctu ating pressure in the district heating network to a constant operat ing pressure The...

Page 7: ...g Unitsmustbeplacedonpallets for transport moving across large distances As far as possible do not lift the substation by the pipes Lifting by the pipes may cause leaks REMEMBER to retighten Disposal Dispose of the packaging in accordance with the local regulations for disposal of used packaging materials Thesubstationismadeofmaterialsthatcannotbedisposedoftogether with household waste Closeallene...

Page 8: ... Tighten all pipe connections as they may have loosened during transport and handling 5 Open the ball valve for the HE supply and return flow and fill the system with water by carefully opening the ball valve for the district heating supply flow and at the same time venting the system Finally open the ball valve for the district heating return flow 6 Check the substation and the household piping t...

Page 9: ... pipe connections because vibrations and shocks during transport and handling may have caused leaks Once the system has been filled with water tighten all the pipe connections once more before performing pressure test for leaks After heating of the system check all the connections and retighten if necessary Please note that the connections features EPDM rubber gaskets Therefore it is important tha...

Page 10: ...H supply pos A demount M10 plug Pos A insert one temperature sensor in the sensor pocket tighten temperature sensor union nut Mount the return flow sensor in the heat meter housing pos B Cold water meter s fitting pieces The substation is equipped with fitting piece s for cold water meter s Fitting of cold water meter s Close the ball valves on the domestic cold water and the do mestic hot water s...

Page 11: ...t To keep cor rect temperature and friendly microclimate for human beings in the apartment it is recommended to ensure regular airing in rooms Anti water hammer membrane tank The station is prepared for connection of an anti water hammer membrane tank which is to be ordered separately The anti water hammer membrane tank is a pressure equalizing tank which absorbs the volume changes of the hydrauli...

Page 12: ...tion possibilities of the cover installation problems are prevented Figure 1 shows the default position of the cover by which the cover is mounted on the mounting plate by means of a plate which is 80 mm high see Fig 1a The delivery also includes an extra plate which can be mounted which can be mounted on the existing plate and with this the cover can be variably adjusted from 130 to 180 mm in hei...

Page 13: ... 7 8 litres per min By pass function factory connection The Akva Lux II TDP F substations are supplied with the a Danfoss FJVR by pass thermostat Fig 2 so that when water is tapped the water heater immediately starts to produce hot water We re commend setting of the thermostat in pos 3 If you have to wait a long time i e more than 20 sec for hot water it may be necessary to position the thermostat...

Page 14: ... the temperature at a constant level in the whole apartment according to the set room parameters Consult additional maintenance instructions for room thermostat for further information It is recommended to avoid fully opened thermostats on some radiators and fully shut off on others Higher temperature at the top and lower temperature at the bottom part of radiators means that the system operation ...

Page 15: ...ecomes necessary to cleantheexchangerwithacid thiscanbedoneasshownonthedrawing to the right Brazed plate heat exchangers can withstand rinsing with a dilute acid sulution e g 5 formic acetic or phosphoric acid Measures after maintenance work After maintenance work and before commissioning Check that all screwed connections are tight Check that all safety features covers that were removed have been...

Page 16: ...u identify a leak replace the gaskets and retighten the pipe connec tions Check that the safety valve on the cold water supply is functioning correctly Check the functionality by turning the lever on the safety valves Check that all components are intact and functioning as intended In the event of irregularities lack of functionality or visible faults and defects in a component replace the compone...

Page 17: ... throughly Supply temperatur too low Dirt strainer clogged Clean dirt strainer Poor cooling Too small heating surface too small radiator in relation to the total heating requirement of the building Poor utilization of existing heating surface Increase total heating surface Turn on all the radiators and prevent the radistors in the system from becoming If operating disturbances occur the following ...

Page 18: ...ation pump out of operation not part of the dly Check whether the pump is running whether the pump is receiving power control that there is no air in the pump housing see pump manual No domestic hot water Dirt strainer on DH supply clogged Clean dirt strainer DHW temperature too low See above Non return valve on the circulation line defective leads to mixing and the circulation water pipes become ...

Page 19: ...Instructions for installation and use Akva Lux II TDP RENO Danfoss Produced by Danfoss Redan A S 2015 10 19 VI JV R1 02 13 EU DECLARATION OF CONFORMITY ...

Page 20: ...y with all technical regulations 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 delivery Leaks are however possible due to vibrations caused by transport hand ling and heating of the system and therefore it is important to check all connections and to ret...

Page 21: ...Instructions for installation and use Akva Lux II TDP RENO Danfoss Produced by Danfoss Redan A S 2015 10 21 VI JV R1 02 ...

Page 22: ...Instructions for installation and use Akva Lux II TDP RENO 22 Danfoss Produced by Danfoss Redan A S 2016 03 VI JV R1 02 ...

Page 23: ...Instructions for installation and use Akva Lux II TDP RENO Danfoss Produced by Danfoss Redan A S 2015 10 23 VI JV R1 02 ...

Page 24: ...4 Danfoss Produced by Danfoss Redan A S 2016 03 VI IQ L1 02 Danfoss Redan A S District Energy Omega 7 Søften DK 8382 Hinnerup Tel 45 87 43 89 43 Fax 45 87 43 89 44 redan danfoss com www redan danfoss dk ...

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