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Installation Guide

Termix VVX-I

Produced by Danfoss A/S © 03/2014

Содержание Termix VVX-I

Страница 1: ...l connections 7 5 0 Design 8 5 1 Design 8 5 2 Schematic diagram 9 6 0 Controls 10 6 1 Heating circuit 10 6 2 DHW temperature control 14 6 3 Other 14 6 4 Extras 16 6 5 Maintenance 16 7 0 Troubleshooting 17 7 1 Troubleshooting in general 17 7 2 Troubleshooting DHW 17 7 3 Troubleshooting HE 18 7 4 Disposal 19 8 0 Declaration 23 8 1 Declaration of conformity 23 Danfoss District Energy VI EH G3 02 LUK4...

Страница 2: ... controlled thermostatically or by an electronic controller with an outdoor temperature sensor Depending on the application different heat exchangers dimensioned for central or floor heating will be used Domestic hot water DHW The domestic hot water is prepared in the heat exchanger and the temperature is regulated with a flow compensated temperature controller with integrated differential pressur...

Страница 3: ...s 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 valves on the substation inform the operating personnel and call for expert help immediately Storage Any storage of the substation which may be necessary prior to installation should be in conditions which are dry and heated Autho...

Страница 4: ... primary supply Connections 1 District heating DH supply 2 District heating DH return 3 Heating HE supply 4 Heating HE return 5 Domestic hot water DHW 6 Domestic cold water DCW Connection sizes DH HE G int thread DCW DHW G int thread Dimensions mm Without cover H 750 x W 505 x D 380 With cover H 800 x W 540 x D 430 Weight approx 40 kg Authorized personnel only Assembly start up and maintenance wor...

Страница 5: ...se Prior to installation all substation pipes and connections should be cleaned and rinsed Thightening Due to vibration during transport all substation connections must be checked and tightened before installation Unused connections Unused connections and shut off valves must be sealed with a plug Should the plugs require removal this must only be done by an authorized service technician Installat...

Страница 6: ...losed 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 system 3 Open shut off valves The shut off valves should then be opened and the unit observed as it enters service Visual checking should confirm temperatures pressures acceptable thermal expansion and absence of leakage If the heat ex...

Страница 7: ...lectronic controller Most electronic controllers will start up the pump automatically please note manufacturer s instructions 4 3 Electrical connections Before making electrical connections please note the following Safety notes Please read the relevant parts of the safety notes 230 V The substation must be connected to 230 V AC and earth Disconnection The substation must be electrically connected...

Страница 8: ...lation pump 38 Expansion tank B Heat exchanger DHW 14 Sensor pocket energy meter 41 Fitting piece energy meter 1A Summer valve 20 Filling drain valve 48 Air vent manual 4 Safety valve 26 Pressure gauge HE 63 Sieve 7 Thermostatic controller HE 31 Differential pressure controller 74 IHPT controller DHW 9 Strainer 8 DEN GT VI EH G3 02 LUK40440 Danfoss District Energy ...

Страница 9: ... Fitting piece energy meter 7 Thermostatic valve 24 Delivered loose with unit 48 Air vent manual 9 Strainer 26 Pressure gauge 63 Sieve 74 IHPT controller DHW Domestic Hot Water DCW Domestic Cold Water DH Supply District Heating Supply DH Return District Heating Return HE Supply Heating Supply HE Return Heating Return 5 2 1 Technical parameters Technical parameters Nominal pressure PN 10 PN 16 vers...

Страница 10: ...e heating circuit is controlled by the HE temperature controller 6 1 3 RAVK controller RAVK controller 25 65 C The temperature setting is as follows 1 25 C 2 35 C 3 45 C 4 55 C 5 65 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 the handle on the thermostatic controller to select a higher number To d...

Страница 11: ...controller with integrated control valve The controller is a self acting flow controller with integrated control valve The controller closes when set max flow is exceeded and can be used in combination with Danfoss electrical actuators with or with out safety function Spring return motor can be used as safety function by power failure 6 1 6 Electronic control Substations with electronic control mu...

Страница 12: ... so as to avoid exposure to direct sunlight They should not be placed close to doors windows or ventilation outlets 6 1 8 TP7000 TP7000 electronic 7 day programmable room thermostat Signals from the room thermostat can be used to control zone valves 12 DEN GT VI EH G3 02 LUK40440 Danfoss District Energy ...

Страница 13: ...ass A ALPHA2 L pumps have both variable speed pressure controlled operation and standard selectable three speed operation The variable speed modulating modes allow the pump to match its performance to the system requirements helping to reduce noise when thermostatic valves are closing down Energy labelling class A UPS pumps are a complete range of circulator pumps with 3 speeds Energy labelling up...

Страница 14: ...andle for temperature setting in direction the setting is increased by turning it in direction the setting is decreased Turns DHW Temperature Setting C 0 64 1 61 2 58 3 55 4 52 5 48 6 44 7 43 Start position Handle turned fully in direction The values are intended as a guide 6 3 Other 6 3 1 Safety valve The purpose of the safety valve is to protect the substation from excessive pressure The blow of...

Страница 15: ...ressure Equalizer may not be applied in systems with hot water circulation 6 3 4 Fitting piece The substation is equipped with a fitting piece for energy meter Assembly of energy meters 1 Close ball valves Close the ball valves on DH Supply and DH Return if there is water on the system 2 Loosen nuts Loosen the nuts on the fitting piece 3 Remove fitting piece Remove the fitting piece and replace it...

Страница 16: ...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 all temperatures such as DH supply temperature and DHW temperature Connections Checking all connections for leakages Safety valves The operation of the safety valves should be checked by turning the ...

Страница 17: ...lectricity Check Wrong setting of automatic controls if any To adjust an electronic controller for DHW pls note enclosed instructions for electronic controller Scaling of the plate heat exchanger Replace rinse out Defective motorized valve Check use manual function replace Defective temperature sensors Check replace Too little or no DHW Defective controller Check replace DCW is being mixed with th...

Страница 18: ... Air pockets in the system Vent the installation thoroughly Limiting of the return temperature adjusted too low Adjust according to instructions Defective radiator valves Check replace Uneven heat distribution in building because of incorrectly set balancing valves or because there are no balancing valves Adjust install balancing valves Diameter of pipe to substation too small or branch pipe too l...

Страница 19: ...ell as return sensors Pump pressure too high Adjust pump to a lower level Air in system Vent the system Defective or incorrectly set radiator valve s Single pipe loop systems require special one pipe radiator valves Check set replace Dirt in the motorized valve or in the differential pressure controller Check clean out Defective motorized valve sensor or automatic controller Check replace Electron...

Страница 20: ...Installation Guide Termix VVX I 20 DEN GT VI EH G3 02 LUK40440 Danfoss District Energy ...

Страница 21: ...Installation Guide Termix VVX I Danfoss District Energy VI EH G3 02 LUK40440 DEN GT 21 ...

Страница 22: ...Installation Guide Termix VVX I 22 DEN GT VI EH G3 02 LUK40440 Danfoss District Energy ...

Страница 23: ...d according to our instructions Machinery Directive 2006 42 EC DS EN 60204 1 A1 2009 Safety of machinery Part 1 General Requirements DS EN 12100 2011 Safety of machinery Risk assessment LVD Low Voltage Directive 2006 95 EC DS EN 60204 1 A1 2009 Safety of machinery Part 1 General Requirements EMC Directive 2004 108 EC DS EN 61000 6 2 Corr 2005 Electromagnetic compatibility Generic standard Immunity...

Страница 24: ...Installation Guide Termix VVX I Produced by Danfoss A S 03 2014 ...

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