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Installation Guide

Termix VMTD Compact 20

1.0 Table of Contents

1.0 Table of Contents ............................................. 1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.0 VMTD-C20 Functional description ..................... 3

3.0 Safety notes..................................................... 4

Safety Notes — general. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4.0 Mounting ........................................................ 5

4.1

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4.2

Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.3

Electrical connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5.0 Design............................................................. 9

5.1

Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

5.2

Schematic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

6.0 Controls .......................................................... 12

6.1

Heating circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6.2

DHW temperature control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

6.3

Other. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.4

Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7.0 Troubleshooting .............................................. 18

7.1

Troubleshooting in general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7.2

Troubleshooting DHW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7.3

Troubleshooting HE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

7.4

Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

8.0 Declaration...................................................... 23

8.1

Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Danfoss Heating

VI.CW.W2.02 / LUK41200

DEN-GT

Содержание Termix VMTD Compact 20

Страница 1: ...up 7 4 3 Electrical connections 8 5 0 Design 9 5 1 Design 9 5 2 Schematic diagram 10 6 0 Controls 12 6 1 Heating circuit 12 6 2 DHW temperature control 14 6 3 Other 15 6 4 Maintenance 17 7 0 Troublesh...

Страница 2: ...Installation Guide Termix VMTD Compact 20 2 DEN GT VI CW W2 02 LUK41200 Danfoss Heating...

Страница 3: ...troller sets the optimum operation conditions for radiator thermostats in order to enable individual temperature control in each room The mixing loop creates a suitable temperature level for the heati...

Страница 4: ...rcumstances 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 th...

Страница 5: ...nnections 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 7 Hot water circulation HWC Connection si...

Страница 6: ...and rinse 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 tightene...

Страница 7: ...f the heating requirement increases Re thighten connections After water has been added to the system and the system has been put into operation re tighten ALL connections Pump The pump must be switche...

Страница 8: ...ted for repairs Outdoor temperature sensor Outdoor sensors should be mounted so as to avoid exposure to direct sunlight They should not be placed close to doors windows or ventilation outlets The outd...

Страница 9: ...t look different than the substation shown Design description B Heat exchanger DHW 11 Domestic hot water pump F Electronic controller 27 Actuator HE 7 Thermostatic controller DHW 31 Differential press...

Страница 10: ...fferent than the schematic diagram shown Schematic description B Heat exchanger DHW 11 Domestic hot water pump 24 Delivered loose with unit F Electronic controller heating 16 Outdoor sensor 27 Actuato...

Страница 11: ...sor 27 Actuator 2 Single check valve 18 Thermometer 29 2 way motorized valve 7 Thermostatic valve 19 Surface sensor 31 Differential pressure controller DHW Domestic Hot Water DCW Domestic Cold Water H...

Страница 12: ...e HE flow temperature in the heating circuit is controlled by the HE temperature controller Thermostatic control The temperature of the HE flow line is adjusted as follows To increase temperature turn...

Страница 13: ...n be used as safety function by power failure 6 1 4 Electronic control Substations with electronic control must be set in accordance with manufacturer s instructions Where the room temperature is cont...

Страница 14: ...ed 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 c...

Страница 15: ...2 Electric 2 way motorized valve Actuators with or without safety function are available for 3 point controls Spring return actuators can be used to provide safety shut off in the event of power fail...

Страница 16: ...ating conditions and the manufacturer s instructions 6 3 3 Domestic hot water pump Important It is necessary to mount a domestic hot water circulation pump on the water heater to avoid regulation prob...

Страница 17: ...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...

Страница 18: ...ump Defective or clogged non return valve Replace clean No electricity Check Wrong setting of automatic controls if any To adjust an electronic controller for DHW pls note enclosed instructions for el...

Страница 19: ...required 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...

Страница 20: ...ols as well 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 o...

Страница 21: ...Installation Guide Termix VMTD Compact 20 Danfoss Heating VI CW W2 02 LUK41200 DEN GT 21...

Страница 22: ...Installation Guide Termix VMTD Compact 20 22 DEN GT VI CW W2 02 LUK41200 Danfoss Heating...

Страница 23: ...ent of machines EMC Direct ive 2004 108 EEC EN 61000 6 2 2007 Electromagnetic compatibility Generic standard Immunity industry EN 61000 6 3 2007 Electromagnetic compatibility Generic standard Emission...

Страница 24: ...Installation Guide Termix VMTD Compact 20 Produced by Danfoss A S 01 2012...

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