Danfoss ThermoDual- CM Data sheet
Data sheet
ThermoDual®- CM (Charging module)
General Description / Use |
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Domestic hot water provision by storage charging |
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principle is an efficient solution that fulfils all hygienic |
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requirements. Hot water is stored at temperatures |
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that kill or prevent the growth of pathogens. |
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Favourable habitats for the proliferation of bacteria |
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such as legionella do not exist, provided the system |
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is operated in accordance with the instructions. |
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Ideally this requires an integrated circulation |
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management. When combined with optimally |
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hygienic stainless steel water tanks from our SE/SES |
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series, these systems are the ideal solution where |
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security of supply is of the essence, particularly at |
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peak load. |
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The system’s essential benefits are: |
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• hygienically safe |
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• efficient cooling of the primary medium |
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• optimum use of energy |
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• free choice from a wide range of energy sources |
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• at all times sufficient hot water temperature to |
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meet hygienic requirements |
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• constant hot water temperature |
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Maximum operating |
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Primary |
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parameters |
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Maximum permissible supply temperature, primary |
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90°C / 150°C (without/with safety function) |
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Maximum permissible operating pressure, primary |
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10 / 20 bar(g) |
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Pumps and 3-way valve variant / |
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Rated pressure, primary |
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PN10 / PN25 |
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2-way valve variant |
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Maximum permissible pressure differential, primary |
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only 2-way valve variant: 25 bar (up to 210kW) /16 bar |
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Secondary |
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Maximum permissible temperature, secondary |
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90°C |
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Maximum permissible operating pressure, secondary |
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10 bar(g) |
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Minimum required pressure (static), water supply |
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1.0 bar(g) |
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Rated pressure, secondary |
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PN10 |
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Mains power supply / maximum power consumption |
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230V AC / 4.0 A |
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Materials |
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Pipes, fittings, flanges, valves (domestic side) |
1.4571, bronze or brass as per DIN EN 1982, |
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also considering DIN 50930-06 and UBA guidelines |
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ditto (heating side) |
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P235GH-TC1, CuSn5Pb5Zn5-C (RG-5), ST37.0, EN-JL 1040 (GG25) |
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Heat exchanger |
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1.4404 with Cu solder |
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Insulation |
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Hardcover PU hard foam λ=0.029 W/mK (100%ENEV) |
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Code numbers |
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Capacity |
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Code no. |
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[ kW] |
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Pump + |
Pump control |
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2-way valve |
2-way valve |
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3-way mixing valve |
(PWM control signal) |
(without safety function) |
(with safety function) |
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140 |
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004X1695 |
004X1689 |
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004X1677 |
004X1683 |
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210 |
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004X1781 |
004X1776 |
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004X1766 |
004X1771 |
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280 |
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004X1782 |
004X1777 |
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004X1767 |
004X1772 |
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350 |
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004X1783 |
004X1778 |
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004X1768 |
004X1773 |
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420 |
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004X1784 |
004X1779 |
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004X1769 |
004X1774 |
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455 |
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004X1785 |
004X1780 |
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004X1770 |
004X1775 |
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© Danfoss | 2018.01 |
VD.IQ.I5.02 | 1 |
Data sheet |
ThermoDual®-CM (Charging module) |
Circuit diagram
Shut-off valve
Non-return valve
Check valve
Balancing valve
Air vent
Drain
Dain sampling valve (optional)
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HEL |
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Heat exchanger, charging |
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P2 |
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Charging pump |
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P1 |
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Heating pump |
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P3 |
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Circulation pump |
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SFV |
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Safety valve |
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M1 |
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Motorized control valve (2/3-way) |
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ECD |
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Electronic domestic hot water controller |
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(ECL 310 / P318.1) |
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STW |
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Safety thermostat (optional) |
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DTA |
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Domestic hot water storage tank (installed by customer) |
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1Domestic water (cold/charging)
2Domestic hot water (hot/charging network)
3Circulation (inlet)
4Heating supply
5Heating return
TC Sensors (general: direct , immersion, surface) “S2”: with designation as for controller
Technical data |
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Type |
Capacity |
FRp |
Pump |
2-way |
3-way |
FRTW |
DW |
FRC* |
C |
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(70->25°C) |
dpr |
dp |
dpr |
(10->60°C) |
dpr |
(55->60°C) |
dpr** |
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ThermoDual® |
[kW] |
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[m3/h] |
[kPa] |
[kPa] |
[kPa] |
[m3/h] |
[kPa] |
[m3/h] |
[kPa] |
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CM 140 |
140 |
2.4 |
52 |
21 |
38 |
2.4 |
41 |
1.0 / 2.4 |
80 / 43 |
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CM 210 |
210 |
3.8 |
95 |
30 |
81 |
3.6 |
89 |
1.5 / 2.4 |
70 / 43 |
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CM 280 |
280 |
5.1 |
86 |
29 |
76 |
4.8 |
88 |
2.0 / 2.4 |
57 / 43 |
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CM 350 |
350 |
6.3 |
74 |
30 |
59 |
6.0 |
71 |
2.5 / 3.4 |
51 / 30 |
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CM 420 |
420 |
7.8 |
53 |
30 |
54 |
7.2 |
55 |
3.0 / 3.4 |
38 / 30 |
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CM 455 |
455 |
8.0 |
59 |
22 |
54 |
7.8 |
52 |
3.3 / 3.4 |
34 / 31 |
FR: Flow rate p: primary dpr: Remaining pump head dp: Pressure loss DW: Domestic water C: Circulation * flow rate: standard setup / maximal possible ** remaining pump head for: standard setup / maximal possible
2 | © Danfoss | 2018.01 |
VD.IQ.I5.02 |
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