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Installation Guide

Termix HD MIX Compact 28

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.

Heating (HE)

The heating circuit consists of thermometers, ball valves, drain
valve, air valve and circulation pump. The heating temperature can
be controlled thermostatically or by an electronic controller with
an outdoor temperature sensor.

2

DEN-GT

VI.GP.E1.02 / LUK42860

Danfoss District Energy

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Содержание Termix HD MIX Compact 28

Страница 1: ... 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 ...

Страница 2: ...ndly 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 Heating HE The heating circuit consists of thermometers ball valves drain valve air valve and circulation pump The heating temperature can be controlled thermostatically or by an electronic controller with an outd...

Страница 3: ...ngerous 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...

Страница 4: ...of simplicity DH can be taken to mean the primary supply Connections 1 District heating DH supply 2 District heating DH return 3 Heating HE supply 4 Heating HE return Connection sizes DH HE G 1 int thread Dimensions mm Without cover H 970 x W 620 x D 420 With cover H 970 x W 640 x D 522 Weight approx 50 kg Authorized personnel only Assembly start up and maintenance work must be performed by qualif...

Страница 5: ...nd 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 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 Ins...

Страница 6: ...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 switched off during system fill Under floor heating Pump stop function If the substation is used in connection with under floor heating the circulation pump must be connected to the pump stop function in the u...

Страница 7: ...d 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 outdoor sensor must be connected to the station on the terminal block under the electronic control Authorized electrician Electrical connections must be made by an authorized electrician only Local standard...

Страница 8: ...tion F Electronic controller 14 Sensor pocket energy meter 29 2 way motorized valve 2 Single check valve 20 Filling drain valve 31 Differential pressure controller 9 Strainer 25 Pressure gauge with ball valve 41 Fitting piece energy meter 10 Circulator pump 27 Actuator HE 48 Air vent manual 8 DEN GT VI GP E1 02 LUK42860 Danfoss District Energy ...

Страница 9: ...ace sensor 31 Differential pressure controller 9 Strainer 20 Filling drain valve 41 Fitting piece energy meter 10 Circulation pump 24 Delivered loose with unit 48 Air vent manual 14 Sensor pocket energy meter 25 Pressure gauge with ball valve DH Supply District Heating Supply DH Return District Heating Return HE Supply Heating Supply HE Return Heating Return 5 2 1 Technical parameters Technical pa...

Страница 10: ...thus held steady 6 1 2 AVTB controller 30 100 The temperature setting 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 the handle on the thermostatic controller to select a higher number To decrease temperature turn the handle on the thermostatic controll...

Страница 11: ... safety function by power failure 6 1 4 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 failure 6 1 5 Electronic control Substations with electronic control must be set in accordance with manufacturer s instructions Where the room temperature is controlle...

Страница 12: ... heating district heating and domestic hot water supply in buildings on any scale The MAGNAs are speed controlled pumps with built in intelligence that lets them analyze current conditions and adjust their performance accordingly Energy labelling class A 6 2 Other 6 2 1 Strainer Strainers should be cleaned regularly by authorized personnel The frequency of cleaning would depend on operating condit...

Страница 13: ...ater on the system 2 Loosen nuts Loosen the nuts on the fitting piece 3 Remove fitting piece Remove the fitting 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 energy meter The sensors of the energy meter is mounted in the sensor pockets Danfoss Distric...

Страница 14: ...hecking 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 valve head in the indicated direction Venting Checking that the system is thoroughly vented Inspections should be carried out minimum every two years Spare parts can be ordered from Danfoss ...

Страница 15: ...ective or possibly dirt in the valve housing Check the operation of the thermostat clean the valve seat if required Automatic controls if any wrongly set or defective possibly power failure Check if the setting of the controller is correct see separate instructions Check the power supply Temporary setting of motor to manual control see instructions on automatic controls Pump out of operation Check...

Страница 16: ...on of existing heating surface Defective sensor on self acting thermostat Make sure the heat is distributed evenly across the full heating surface open all radiators and keep 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 comfort The system is single pipe ...

Страница 17: ...Installation Guide Termix HD MIX Compact 28 Danfoss District Energy VI GP E1 02 LUK42860 DEN GT 17 ...

Страница 18: ...Installation Guide Termix HD MIX Compact 28 18 DEN GT VI GP E1 02 LUK42860 Danfoss District Energy ...

Страница 19: ...re used 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 Im...

Страница 20: ...Installation Guide Termix HD MIX Compact 28 Produced by Danfoss A S 09 2013 ...

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