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Installation Guide
Termix HD MIX Compact 28
1.0 Table of Contents
1.0 Table of Contents ............................................. 1
2.0 Functional description...................................... 2
3.0 Safety notes..................................................... 3
3.1
Safety Notes - general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4.0 Mounting ........................................................ 4
4.1
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4.2
Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.3
Electrical 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
Other. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.3
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7.0 Troubleshooting .............................................. 15
7.1
Troubleshooting in general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.2
Troubleshooting HE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7.3
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8.0 Declaration...................................................... 19
8.1
Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Danfoss District Energy
VI.GP.E1.02 / LUK42860
DEN-GT
1
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Summary of Contents for Danfoss Termix HD MIX Compact 28
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Page 1: Table Of Contents
Installation Guide Termix HD MIX Compact 28 1.0 Table of Contents 1.0 Table of Contents ..........1 2.0 Functional description........2 3.0 Safety notes............. 3 Safety Notes – general ..........3 4.0 Mounting ............ -
Page 2: Functional Description
2.0 Functional description District heating substation for direct heating with mixing loop. Application The Termix HD MIX Compact 28 is a complete solution for space heating with optimal safety, efficient energy transfer, service-friendly construction and a compact design. District heating (DH) The district heating circuit is prefabricated with a flow controller with integrated control valve, thermometers and ball valves. -
Page 3: Safety Notes
Installation Guide Termix HD MIX Compact 28 3.0 Safety notes 3.1 Safety Notes – general The following instructions refer to the standard design of substation. Special versions of substations are available on request. Authorized personnel only This operating manual should be read carefully before installation Assembly, start-up and maintenance work must be performed by and start-up of the substation. -
Page 4: Mounting
Assembly, start-up and maintenance work must be performed by primary supply to Danfoss substations. For the sake of simplicity, qualified and authorized personnel only. DH can be taken to mean the primary supply. - Page 5 Installation Guide Termix HD MIX Compact 28 4.1.1 Installation Mounting: Adequate space Please allow adequate space around the substation for mounting and maintenance purposes. Orientation The station must be mounted so that components, keyholes and labels are placed correctly. If you wish to mount the station differently please contact your supplier.
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Page 6: Start-Up
Installation Guide Termix HD MIX Compact 28 4.2 Start-up Start-up, Heating with mixing loop Start-up: Re-thighten connections 1: Pump speed After water has been added to the system and the system has been Set the pump to highest speed before start-up. -
Page 7: Electrical Connections
Installation Guide Termix HD MIX Compact 28 4.3 Electrical connections Before making electrical connections, please note the following: Safety notes Authorized electrician Please read the relevant parts of the safety notes. Electrical connections must be made by an authorized electrician only. -
Page 8: Design
Installation Guide Termix HD MIX Compact 28 5.0 Design 5.1 Design Your substation might look different than the substation shown. Design description 14 Sensor pocket, energy meter 29 2-way motorized valve Electronic controller 20 Filling/drain valve 31 Differential pressure controller... -
Page 9: Schematic Diagram
Installation Guide Termix HD MIX Compact 28 5.2 Schematic diagram Supply Supply Return Return Your substation might look different than the schematic diagram shown. Schematic description Electronic controller 16 Outdoor sensor 27 Actuator 18 Thermometer 29 2-way motorized valve Ball valve... -
Page 10: Controls
Installation Guide Termix HD MIX Compact 28 6.0 Controls 6.1 Heating circuit 6.1.1 Differential pressure controller The differential pressure controller smooths out the fluctuations in pressure arriving from the district heating network. The operating pressure in the substation is thus held steady. - Page 11 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.
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Page 12: Other
Installation Guide Termix HD MIX Compact 28 6.1.6 Outdoor temperature sensor (ESMT) 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. 6.1.7 Circulation pump The Grundfos MAGNA range is designed for heating, district heating and domestic hot water supply in buildings on any scale. - Page 13 Installation Guide Termix HD MIX Compact 28 6.2.2 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.
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Page 14: Maintenance
Venting Checking that the system is thoroughly vented. Inspections should be carried out minimum every two years. Spare parts can be ordered from Danfoss. Please ensure that any enquiry includes the substation serial number. Danfoss District Energy DEN-GT... -
Page 15: Troubleshooting
Installation Guide Termix HD MIX Compact 28 7.0 Troubleshooting 7.1 Troubleshooting in general In the event of operating disturbances, the following basic features should be checked before carrying out actual troubleshooting: • the substation is connected to electricity, Authorized personnel only •... -
Page 16: Disposal
Installation Guide Termix HD MIX Compact 28 DH supply temperature too high. Adjust automatic controls, – see Wrong setting of thermostat or of automatic controls, if any. instructions for automatic controls. Defective controller. The controller does Call automatic controls manufacturer or not react as it should according to the replace the regulator. - Page 17 Installation Guide Termix HD MIX Compact 28 Danfoss District Energy VI.GP.E1.02 / LUK42860 DEN-GT...
- Page 18 Installation Guide Termix HD MIX Compact 28 Danfoss District Energy DEN-GT VI.GP.E1.02 / LUK42860...
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Page 19: Declaration
Installation Guide Termix HD MIX Compact 28 8.0 Declaration 8.1 Declaration of conformity 8.1.1 Category 0 with electrical equipment EC – Declaration of Conformity Gemina Termix A/S Member of the Danfoss Group Navervej 15-17 DK-7451 Sunds Declares on our sole responsibility that the below products: Substations –... - Page 20 Installation Guide Termix HD MIX Compact 28 Produced by Danfoss A/S © 09/2013...
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