Danfoss Termix VX Fact sheet
Fact sheet
Termix VX
Indirect substation for single and multi-family houses with up to 7 apartments
Application
The Termix VX is a complete solution for space heating with optimal safety, efficient energy transfer, service-friendly construction and a compact design. The substation is used if a heat exchanger is required or on a conversion to district heating where the existing equipment is unsuitablefordirectconnection.TheTermix VX substation is ideal, when a high level of security against burst pipes and water damage in the heating system is required.
District heating (DH)
The substation is prefabricated with a differential pressure controller, fitting piece and sensor pockets for insertion of a heat meter as well as strainers and ball valves.
Heating (HE)
The heating side consists of a stainless steel plate heat exchanger, safety valve, manometer, thermometers, ball valves, drain valve, air valve, expansion vessel and circulation pump. The temperature of the heating can be controlled thermostatically or by an electronic temperature controller with an outdoor
temperature sensor. Depending on the application, different heat exchangers dimensioned for central or floor heating can be used. As an option the substation can be equipped with a thermostat with safety monitor. This is possible only for substations with electronic temperature controller.
Domestic hot water (DHW)
The substation is supplied with connection pipes for a hot water tank on the primary side of the heat exchanger.
Construction
All pipes are made of stainless steel. The connections are made by nuts and gaskets. The Termix VX is completed by a white steel cover in attractive modern design.
FEATURES AND BENEFITS
••Substation for single and multi-family houses
••Indirect heating, connections for domestic hot water tank
••Thermostatic or electronic regulation of heating (HE) temperature
••Capacity: 18 – 54 kW heating
••Minimum space required for installation
••Pipes and plate heat exchanger made of stainless steel
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CIRCUIT DIAGRAM - EXAMPLE
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14 |
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4 bar |
48 |
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DH |
9 |
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1 |
26 |
18 |
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HE |
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Supply |
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Supply |
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B |
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4 |
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24 |
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7 |
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18 |
38 |
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DH |
41 |
14 |
31 |
1 |
10 |
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9 |
HE |
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Return |
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20 |
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Return |
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A |
Plate heat exchanger HE |
20 |
Filling / drain valve |
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1 |
Ball valve |
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24 |
Delivered loose with unit |
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4 |
Safety valve |
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26 |
Pressure gauge |
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7 |
Thermostatic valve |
31 |
Differential pressure controller |
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9 |
Strainer |
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38 |
Expansion vessel |
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10 |
Circulation pump |
41 |
Fitting piece, heat meter |
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14 |
Sensor pocket, heat meter |
48 |
Air escape, manual |
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18 |
Thermometer |
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Technical parameters: |
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Connections: |
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Connection sizes: |
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Nominal pressure: |
PN 10* |
DH supply temperature: |
Tmax = 120 °C |
Brazing material (HEX): |
Copper |
*PN 16 versions are available on enquiry |
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Weight incl. cover: |
30 kg |
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(incl. packing) |
Cover: |
White-lacquered |
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steel sheet |
Dimensions (mm):
Without cover:
H 750 × W 500 × D 360
With connections:
H 800 × W 540 × D 430
1.District heating (DH) supply
2.District heating (DH) return
3.Heating (HE) supply
4.Heating (HE) return
5.Cylinder supply
6.Cylinder return
Wall
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1 |
2 |
3 |
4 |
5 |
6 |
70 |
70 |
70 |
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70 |
80 |
Seen from above
DH + HE: |
G ¾ (int. thread) |
Options:
•Separate mixing circuit
•White-lacquered steel cover
•Possibility for electronic controller
•Room thermostat
•Zone valve with actuator
•Air screw (DH supply)
•Connection for hot water tank
CAPACITY, WEIGHT AND DIMENSIONS
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Heating capacity |
Heating circuit |
Heating circuit |
Pressure loss |
Flow rate |
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Substation type |
primary |
secondary |
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[kW] |
primary [°C] |
secondary [°C] |
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[kPa] |
[l/h] |
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18 |
70 |
35/60 |
25 |
650 |
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VX – 1 |
20 |
80 |
40/70 |
25 |
603 |
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24 |
90 |
40/70 |
25 |
724 |
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30 |
70 |
35/60 |
35 |
1084 |
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VX– 2 |
34 |
80 |
40/70 |
35 |
1025 |
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40 |
90 |
40/70 |
35 |
1206 |
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45 |
70 |
35/60 |
45 |
1629 |
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VX – 3 |
50 |
80 |
40/70 |
45 |
1509 |
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54 |
90 |
40/70 |
45 |
1629 |
Gemina Termix A/S · Member of the Danfoss Group · Navervej 15-17 · DK-7451 Sunds · Denmark Tel.: +45 9714 1444 · Fax: +45 9714 1159 · mail@termix.dk · www.heating.danfoss.com
© Danfoss | DHS-SRMT/ PL | 2016 . 04 |
VC.LB.C3.02 |
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