Danfoss Akva Lux II VXi Instructions For Installation And Use Manual

Indirect, fully insulated district heating subtations

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Instructions for installation and use

Indirect, fully insulated dis-

trict heating subtations Akva

Lux II VXi, VXi Solo

Indirect district heating substation for heating and domestic hot water.

VXi

Fully insulated

for very low

heat losses.

www.danfoss.com

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Summary of Contents for Danfoss Akva Lux II VXi

Page 1 Instructions for installation and use Indirect, fully insulated dis- trict heating subtations Akva Lux II VXi, VXi Solo Indirect district heating substation for heating and domestic hot water. Fully insulated for very low heat losses. www.danfoss.com...
Page 2: Table Of Contents
14.0 Heating circuit, pump and summer operation ................................20 15.0 Domestic hot water ..........................................22 16.0 Maintenance............................................24 17.0 Troubleshooting ........................................... 26 18.0 EU Declaration of conformity ......................................30 19.0 Commissioning Certi cate ........................................ 31 VI.JV.R1.02 2 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01...
Page 3: Installation Instructions, Safety And Handling
The substation must be handled and moved with the greatest care See item 19, page 41 for more detailed Guidelines for Water Quality in Danfoss and attention. brazed heat exchangers and recommended Chloride concentration to avoid Stress Corrosion Cracking.
Page 4 The station can easily be connected to the household piping. Please note: The VXi station is shown here with ECL 110 controller, - but it is supplied with ECL 210 or 310 controller. VI.JV.R1.02 4 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01...
Page 5: Getting Started - Quick Guide For Easy Start-Up
Now switch on the pump and automatic components, if any. 12. Finish by adjusting the substation in accordance with the instruc- tion manuals and remember to ll out the Commissioning Certi cate page 31. © Danfoss | Produced by Danfoss Redan A/S | 2017.01 | 5 VI.JV.R1.02...
Page 6: Main Components / Connections
Recirculation pipe set - Code No. 145H3879 For systems that feature domestic hot water recirculation. KFE tap - code No. 145H3717 For lling and draining 1/4” Primary Secundary VI.JV.R1.02 6 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01...
Page 7 Pressure independent control valve with integrated ow limiter Danfoss AVQM Accessories available as extra equipment (mounting on site) KFE tap - code No. 145H3717 23A+B For lling and draining 1/4” Primary Secundary © Danfoss | Produced by Danfoss Redan A/S | 2017.01 | 7 VI.JV.R1.02...
Page 8: Diagrams, Dimensional Sketches, Examples
Replace Design Approval VI.JV.R1.02 8 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01 Danfoss Redan A/S 145F0297 Confidential: Property of Danfoss Redan A/S, Nordborg, Denmark. Not to be handed over to, copied or used by third party. Two- or three Rev.
Page 9 Danfoss Standard Designation Replace Design Approval © Danfoss | Produced by Danfoss Redan A/S | 2017.01 | 9 VI.JV.R1.02 Danfoss Redan A/S 145F0297 Confidential: Property of Danfoss Redan A/S, Nordborg, Denmark. Not to be handed over to, copied or used by third party. Two- or three Rev.
Page 10 65 100 Wand General tolerance accuracy Projection Scale Size von oben 1:7.5 Weight Replace Design VI.JV.R1.02 10 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01 Approval Danfoss Redan A/S Confidential: Property of Danfoss Redan A/S, Nordborg, Denmark.
Page 11: General, Mounting Of Heat Meter And Safety Valves
The insulation cover is be prepared for this and blow-o pipe from the safety valves are led through the slit in the insulating cover as shown in the photo to the right. © Danfoss | Produced by Danfoss Redan A/S | 2017.01 | 11 VI.JV.R1.02...
Page 12: Filling The System With Water
Accessories available as extra equipment (mounting on site) KFE tap - code No. 145H3717 For lling and emptying 1/4” VI.JV.R1.02 12 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01...
Page 13: Variable Connection Possibilities
The unit can be connected with piping both up and down for the do- mestic hot water. Remove blind plate in pos. B and plug in top of unit. © Danfoss | Produced by Danfoss Redan A/S | 2017.01 | 13 VI.JV.R1.02...
Page 14: Recirculation (Only Akva Lux Ii Vxi)
Akva Lux II VXi, VXi Solo HWP, VXi Solo H 9. RECIRCULATION (ONLY AKVA LUX II VXI) Circulation set for Akva Lux II VXi substations is available as extra equip- ment. The set applies to various substation types, therefore excess components may occur.
Page 15: Electricical Connections
2 / 8 VA Do not forget to establish potential equalization. For further information please see enclosed instruction manual. The Akva Lux II VXi and VXi Solo are delivered with Danfoss ECL Pumpe UPM3 AUTO Comfort 210 or 310 controllers from factory.
Page 16: Adjustmend And Commissioning
AVPB-F Di erential pressure controller (Akva Lux II VXi and VXi Solo H) For Akva Lux II VXi and VXi Solo H, the di erential pressure controller is installed in the AVQM self-acting ow controller with integrated control valve. Please see page 18.
Page 17: Heating Circuit, Danfoss Ecl 210/310 Automatics
• Language = English, ‘Common controller settings” • Operating mode of the controller = Comfort “Sun” Symbol, • Application type = A337 (Akva Lux II VXi, VXi Solo HWP) • Application type = A230 (VXi Solo H), Circuit selector Heating circuit Motor speed and motor protection is set and the controller is func- tional is functionally tested, so it’s ready for use.
Page 18: Control Of Heating Circuit
Akva Lux II VXi & VXi Solo H Manual override For controlling the heating circuit the Akva Lux II VXi and VXi Solo H are supplied with a self-acting ow controller with integrated con- trol valve Danfoss AVQM and a Danfoss AMV actuator placed in the primary return ow line.
Page 19 For controlling the heating circuit the VX Solo II HWP is supplied with Manual override a Danfoss AMV 150 or AMV 13 actuator and a Danfoss valve VS 2, placed on the primary return ow line. THE AMV actuator is electri- cally wired to the controller from factory.
Page 20: Heating Circuit, Pump And Summer Operation
LEDs indicate the current power consumption. % of P max. 0% (standby) See g. 2 - Performance view. 0 - 25% 25 - 50% 50 - 75% 75 - 100 % VI.JV.R1.02 20 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01...
Page 21 When there is no active alarm anymore the user inter- face switches back to operation mode shortly and then Supply voltage low showing power consumption. Electrical error © Danfoss | Produced by Danfoss Redan A/S | 2017.01 | 21 VI.JV.R1.02...
Page 22: Domestic Hot Water
55°C to prevent limescale deposits building up in the water heater. NB! The pin must be positioned be- tween the blue and red dot, otherwise the controller will shut down. VI.JV.R1.02 22 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01...
Page 23 VMA DN 15 VMA / RAVI / RAVK / RAVV VMA/ABV ENGLISH RAVK www.danfoss.com Page 4 POLSKI RAVK www.danfoss.pl Strona 4 G 3/4A District Energy VI.52.V4.00 DEN-SMT/SI © Danfoss | Produced by Danfoss Redan A/S | 2017.01 | 23 VI.JV.R1.02...
Page 24: Maintenance
It is therefore important to focus on these return temperatures. VI.JV.R1.02 24 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01...
Page 25 Check the functions of all shut-o valves Check that the ball valves open and close as they should *)Enduser/caretaker. Note! After maintenance work has been carried out all gaskets HAVE to be replaced. © Danfoss | Produced by Danfoss Redan A/S | 2017.01 | 25 VI.JV.R1.02...
Page 26: Troubleshooting
Set the pump to a higher speed - see the rotation (not all system types). instructions for the heating system. Air pockets in the system. Vent the installation thoroughly - see the instructions. VI.JV.R1.02 26 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01...
Page 27: Trouble Shooting - Domestic Hot Water
Air in the capillary tube for the di eren- Vent the capillary pipe. of capacity) tial pressure controller. Replace the plate heat exchanger. Cali ed plate heat exchanger. © Danfoss | Produced by Danfoss Redan A/S | 2017.01 | 27 VI.JV.R1.02...
Page 28 Clean DHW cylinder with acid solution or replace heating element. Inadequate cylinder capacity. Wait for heating / loading of the cylinder. You may check the speci cations of the manufacturer conc. cylinder capacity. VI.JV.R1.02 28 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01...
Page 29: Eu Declaration Of Conformity
Instructions for installation and use Akva Lux II VXi, VXi Solo HWP, VXi Solo H 18. EU DECLARATION OF CONFORMITY © Danfoss | Produced by Danfoss Redan A/S | 2017.01 | 29 VI.JV.R1.02...
Page 30: Commissioning Certi Cate
Over-tightening may result in leaks. Leaks caused by ove-rtightening or failure to retighten connections are not covered by the warranty. To be lled-out by the installer This substation has been retightened, adjusted and commissioned on the: by installer: Date/Year Company name (stamp) VI.JV.R1.02 30 | © Danfoss | Produced by Danfoss Redan A/S | 2017.01...
Page 31 Use is not recommended * Hardness ration limits defined per experience and internal tests in Danfoss laboratory ** In case of three or more parameters evaluated with o consultancy is needed with Consultant for Corrosion & Microbiology or BU HHE Representative...

This manual is also suitable for:

Vxi solo hwp Vxi solo h