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Danfoss Termix VVX Compact 28/18 - 7 BS-HC Series, Operating Manual

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Danfoss Termix VVX Compact 28/18 - 7 BS-HC Series Operating Manual Download Page 10

Operating Guide

Termix VVX Compact 28/18 – 7 Series BS-HC

5.0 Design

5.1 Design

Your substation might look different than the substation shown.

Design description

A

Heat exchanger, HE

7B Thermostatic valve, DHW

25 Pressure gauge with ball valve

B

Heat exchanger, DHW

9

Strainer

26 Pressure gauge

M Electrical wiring box

10 Circulator pump

31 Differential pressure controller

2A Single check valve, WRAS

11 Domestic hot water pump

41 Fitting piece, energy meter

4

Safety valve

14 Sensor pocket, energy meter

48 Air vent, manual

7A Thermostatic valve, HE

20 Filling/drain valve

69 On/off valve

10

DEN-GT

LGB42404

Summary of Contents for Termix VVX Compact 28/18 - 7 BS-HC Series

Page 1: ...2 Start up 6 4 3 Electrical connections 7 5 0 Design 10 5 1 Design 10 5 2 Schematic diagram 11 6 0 Controls 12 6 1 Heating circuit 12 6 2 DHW temperature control 17 6 3 Other 18 6 4 Extras 20 6 5 Mai...

Page 2: ...ers ball valves drain valve air valve and circulation pump and can be controlled thermostatically or by an electronic controller with an outdoor temperature sensor Depending on the application differe...

Page 3: ...fire leaks or other dangerous circumstances interrupt all energy sources to the station if possible and seek expert help In case of discoloured or bad smelling domestic hot water close all shut off v...

Page 4: ...the primary supply Connections 1 District heating DH supply 2 District heating DH return 3 Domestic hot water DHW 4 Domestic cold water DCW 5 Hot water circulation HCW 6 Heating HE supply 7 Heating HE...

Page 5: ...re installation Clean and rinse Prior to installation all substation pipes and connections should be cleaned and rinsed Tightening Due to vibration during transport all substation connections must be...

Page 6: ...tting The ball valve is then closed the hose removed and the plug put back in Start up 1 Pump speed Set the pump to highest speed before start up 2 Start pump Start the pump and heat through the syste...

Page 7: ...arth symbol Disconnection The substation must be electrically connected so that it can be disconnected for repairs Outdoor temperature sensor Outdoor sensors should be mounted so as to avoid exposure...

Page 8: ...g flow temperature The IMIT Thermostat is preset to 60 C shutting off the pump and the primary on off valve when the flow to the underfloor heating exceeds 60 C The IMIT Thermostat is if not already f...

Page 9: ...Operating Guide Termix VVX Compact 28 18 7 Series BS HC 4 3 3 Wiring diagram Radiator heating Underfloor heating LGB42404 DEN GT 9...

Page 10: ...e DHW 25 Pressure gauge with ball valve B Heat exchanger DHW 9 Strainer 26 Pressure gauge M Electrical wiring box 10 Circulator pump 31 Differential pressure controller 2A Single check valve WRAS 11 D...

Page 11: ...ensor pocket energy meter 41 Fitting piece energy meter 2A Single check valve WRAS 18 Thermometer 48 Air vent manual 4 Safety valve 20 Filling drain valve 69 On off valve 7 Thermostatic valve 24 Deliv...

Page 12: ...The HE flow temperature in the heating circuit is controlled by the HE temperature controller 6 1 3 RAVK controller RAVK controller 35 75 C The temperature setting is as follows 1 30 C 2 40 C 3 52 C 4...

Page 13: ...tting is as follows 1 35 C 2 55 C 3 75 C 4 95 C 5 100 C The values are intended as a guide Thermostatic control The temperature of the HE flow line is adjusted as follows To increase temperature turn...

Page 14: ...8 Electronic control Substations with electronic control must be set in accordance with manufacturer s instructions Where the room temperature is controlled by radiator thermostats it is recommended...

Page 15: ...ves 6 1 11 Circulator pump UPM3 UPM3 Pumps can be controlled in constant pressure proportional pressure or constant speed mode defined by the means of a smart user interface The variable speed modulat...

Page 16: ...s If you press the key lock for more than 10 seconds you can toggle between enabling disabling the key lock function Function Recommended for Green Yellow Yellow Yellow Yellow Proportional pressure 1...

Page 17: ...as a guide The AVTB operates at its best at DH supply temperatures of up to 90 C Thermostatic control DHW temperature is adjusted as follows To increase temperature turn the handle on the thermostatic...

Page 18: ...m excessive pressure The blow off pipe from the safety valve must not be closed The blow off pipe outlet should be placed so that it discharges freely and it is possible to observe any dripping from t...

Page 19: ...g piece and replace it with the energy meter Do not forget the gaskets 4 Tighten connections After mounting of the energy meter remember to check and tighten all threaded connections Sensor pocket ene...

Page 20: ...ubstation according to this Instruction are recommended which should include Strainers Cleaning of strainers Meters Checking of all operating parameters such as meter readings Temperatures Checking of...

Page 21: ...mp out of order or with too low setting Check circulation pump Defective or clogged non return valve Replace clean No electricity Check Wrong setting of automatic controls if any To adjust an electron...

Page 22: ...e pump manual The pump is set at too low speed of rotation Set the pump at higher speed of rotation Pressure drop the pressure drop on the radiator circuit shows lower than recommended operating press...

Page 23: ...ep the radiators in the system from heating up at the bottom It is extremely important to keep the supply temperature to the radiators as low as possible while maintaining a reasonable level of comfor...

Page 24: ...Operating Guide Termix VVX Compact 28 18 7 Series BS HC 24 DEN GT LGB42404...

Page 25: ...Operating Guide Termix VVX Compact 28 18 7 Series BS HC LGB42404 DEN GT 25...

Page 26: ...Operating Guide Termix VVX Compact 28 18 7 Series BS HC 26 DEN GT LGB42404...

Page 27: ...Operating Guide Termix VVX Compact 28 18 7 Series BS HC 8 0 Declaration 8 1 Declaration of conformity Category 0 with electrical equipment LGB42404 DEN GT 27...

Page 28: ...Operating Guide Termix VVX Compact 28 18 7 Series BS HC Produced by Gemina Termix A S 04 2018...

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