Data sheet
ThermoDual®
Domestic hot water charging system
Description / Application ThermoDual® is the compact and eective
domestic hot water (DHW) charging system.
Due to the consistent use of carefully selected
components and highest quality materials, the
compact the ThermoDual® system meet all of
the requirements for the prevention of legionella
growth.
The highly ecient heat transfer of the heat
exchangers enable The ThermoDual® system to
attain low heating water return temperatures
across the entire cycle of a tank charge, thus
reducing the required media ows. This
translates into greater operational eciency and
predestines this system for utilization in district
heating networks and in combination with
condensing boilers. The optimum adaptation to
the applicable specic needs in terms of storage
capacity and output ensures a maximum of
eciency, comfort and hygiene.
Main system data
Primary Secondary
Typ e S GS Max. operating temp. (°C) 150 110 90
Max. operating pressure (bar) 25 3 10
Working medium Circulation water / DHW
Approvals and Standards:
- W 553 of the DVGW2 – working temperature /
circulation,
- W 551 of the DVGW2 – prevention of legionella
growth,
- D IN4753 – DHW storage t ank.
2
German Technical and Scientic Association
for Gas and Water
DE N-SM T/PL
ThermoDual® - S
Compact DHW charging system with stainless
steel domestic hot water storage tank and
brazed plate heat exchanger as well as
pre-installed piping assembly with allrequired
ttings for installation.
VD.KR.C4.02 © Danfoss 12/2013 1
ThermoDual® - GS
Compact DHW charging system with stainless
steel domestic hot water storage tank and
gasketed plate heat exchanger as well as
pre-installed piping assembly with all required
ttings for installation.
ThermoDual® – DHW charging systemData sheet
Ordering Explanation, ThermoDual® types
ThermoDual®- S 200-010
Numbers for plates for heatexchanger
Volume storage tank (liter)
Typ e
S – with brazed plate heat exchanger
GS – with gasketed plate heat exchanger
DHW charging system with pre-installed pipes assembly with all required
ttings for installation
ThermoDual® - S (brazed plate heat exchanger) ThermoDual® - GS (gasketed plate heat exchanger)
Typ e Code No.
S 100-020 VA 004F7468
S 100-036 VA 004F7469
S 20 0-010 004U1700
S 20 0-016 004U1701
S 200 -026 00 4U170 2
S 200-030 0 04U1703
S 30 0-010 0 04U1707
S 30 0-016 0 04U170 8
S 300 -026 00 4U170 9
S 300-030 00 4U1710
S 300-040 0 04 U1711
S 300-050 004U1712
S 350-010 0 04U1714
S 350-016 00 4U1715
S 350-026 00 4U1716
S 350-030 0 04U1717
S 350-040 0 04U1718
S 350-050 00 4U1719
S 50 0-010 004 U1721
S 50 0-016 0 04U172 2
S 500 -026 00 4U172 3
S 500-030 004U172 4
S 500-040 004U1725
S 500-050 004U1726
S 500-060 004U1727
S 750-016 0 04U1729
S 750-026 0 04U173 0
S 750-030 00 4U1731
S 750-040 004 U1732
S 750-050 0 04U1733
S 750-060 00 4U1734
S 1000-026 00 4U1737
S 1000-030 00 4U1738
S 1000-040 004U1739
S 1000-050 0 04U1740
S 1000-060 0 04U1741
Typ e Code No.
GS 300- 020 004 U1743
GS 300-030 00 4U1744
GS 350-020 004U1748
GS 350-030 0 04U1749
GS 500- 020 004U1753
GS 500-030 004U1754
GS 500- 040 004U1755
GS 500- 050 004U1756
GS 750 -020 004U1758
GS 750 -030 004U1759
GS 750 -040 00 4U176 0
GS 750-050 0 04U1761
GS 1000-020 00 4U1763
GS 1000-030 00 4U176 4
GS 1000-040 004 U1765
GS 1000-050 004U176 6
VD.KR.C4.02 © Danfoss 12/20132
DE N-SM T/PL
Data sheet
ThermoDual® – DHW charging system
Main components
Main components in standard system:
- DHW-approved charging pumps,
4
- Storage tank,
- Heat exchanger,
- Shut-o valve,
5
- Balancing valve,
- Safety valve,
- Thermometer.
5
Accessories The ThermoDual® system can be combined
with a second multiple DHW storage tanks for
optimum tailoring to on-site conditions:
- Stainless steel domestic hot water storage
tank, series SE, capacity 200 … 8000 liters
(assembling / pipes by customer)
To connect circulation, system can be combined
with pre-mounted circulation groups:
4
200 ... 1000 l high eciency pump (EEL <= 0,23)
5
100 l - without
≥ 200 l - 2 thermometers, 2 valves
For controlling DHW temperature self acting or
electronical controllers can be used:
- self acting controllers VG/AVT/(STM)
- electronical controller ECL 110/210/310
(assembling by customer)
- other accessories see local pricelist
Type Code
TD-Z 25-25-I 004U1624 6 80 20 70 R 1" R 1¼” 544 5,3
TD-Z 25-25-II 004U1625 10 80 40 40 R 1” R 1¼” 544 5,3
TD-Z 25-32-I 004U1626 20 70 60 15 R 1¼” R 1¼” 535 5,5
Vpc-
min minimal selectable ow for circulation
Vpc-
max maximal selectable ow for circulation
d
- rest pressure available by V
p
Vpc min
[l/min]
pc
dp
[kPa]
Vpc max
[l/min]
dp
[kPa]
connection
3a 3b
lenght L
[mm]
weight
[kg]
DE N-SM T/PL
VD.KR.C4.02 © Danfoss 12/2013 3
ThermoDual® – DHW charging systemData sheet
Technical data
* Performance index l NL acc. to DIN 4708 in relation to a storage tank water temperature of 60 °C
** Charging pump; A.C. 1 ~ 230 V / 50 Hz; thermal motor overload protection or motor protection by integrated thermo switch
DHW top delivery
performance
DHW
temperatures
prim./sec. [°C]
100-020
100-036 6 44 324 1227 1084 759 1083 2
200-010
200-016 11 40 450 1272 986 690 766 11
200-026 15 60 532 1763 1477 1034 1149 9
200-030 20 80 614 2256 1970 1379 1532 11
300-010 11 25 531 1045 616 431 479 13
300-016 17 40 593 1415 986 690 766 11
300-026 23 60 675 1906 1477 1034 1149 9
300-030 29 80 757 2399 1970 1379 1532 11
300-040 35 100 839 2892 2463 1724 1915 10
300-050 43 130 962 3630 3201 2241 2489 11
350-010 12 25 603 1116 616 431 479 13
350-016 18 40 664 1486 986 690 766 11
350-026 26 60 746 1977 1477 1034 1149 9
350-030 34 80 828 2470 1970 1379 1532 11
350-040 39 100 910 2963 2463 1724 1915 10
350-050 48 130 1033 3701 3201 2241 2489 11
500-010 15 25 817 1330 616 431 479 13
-S
500-016 21 40 879 1700 986 690 766 11
500-026 30 60 960 2191 1477 1034 1149 9
500-030 39 80 1043 2684 1970 1379 1532 11
500-040 48 100 1125 3177 2463 1724 1915 10
500-050 63 130 1248 3915 3201 2241 2489 11
500-060 72 150 1330 4407 3693 2585 2872 10
750-016 27 40 1236 2057 986 690 766 11
750-026 36 60 1318 2548 1477 1034 1149 9
750-030 45 80 1400 3041 1970 1379 1532 11
750-040 55 100 1482 3534 2463 1724 1915 10
750-050 70 130 1605 4272 3201 2241 2489 11
750-060 80 150 1687 4764 3693 2585 2872 10
1000-026 43 60 1675 2906 1477 1034 1149 9
1000-030 52 80 1757 3399 1970 1379 1532 11
1000-040 62 100 1839 3892 2463 1724 1915 10
1000-050 77 130 1962 4630 3201 2241 2489 11
1000-060 87 150 2044 5122 3693 2585 2872 10
300-020
300-030 35 100 839 2892 2463 1724 2605 16
350-020 26 60 746 1977 1477 1034 1550 14
350-030 40 100 910 2963 2463 1724 2605 16
500-020 30 60 960 2191 1477 1034 1550 14
500-030 48 100 1125 3177 2463 1724 2605 16
500-040 63 130 1248 3915 3201 2241 3328 15
500-050 72 150 1330 4407 3693 2585 3738 12
-GS
750-020 36 60 1318 2548 1477 1034 1550 14
750-030 55 100 1482 3534 2463 1724 2605 16
750-040 70 130 1605 4272 3201 2241 3328 15
750-050 80 150 1687 4764 3693 2585 3378 12
1000-020 43 60 1675 2906 1477 1034 1550 14
1000-030 62 100 1839 3892 2463 1724 2605 16
1000-040 77 130 1962 4630 3201 2241 3328 15
1000-050 87 150 2044 5122 3693 2585 3738 12
70 -> 35 / 10 -> 60
70 -> 25 / 10 -> 60
65 -> 35 / 10 -> 60
Performance
index NL*
Connected
load [kW]
3 22 233 686 543 380 542 2
8 25 388 902 616 431 479 13
23 60 675 1906 1477 1034 1550 14
10 -> 45 °C
[l/10
min] [l/h]
DHW pemanent delivery
performance
10 -> 45 °C
[l/h]
10 -> 60 °C
[l/h]
Heating
water
flow
[l/h]
Pressure
loss
HEX
[kPa]
Input
[W ]**Type
max. 87
VD.KR.C4.02 © Danfoss 12/20134
DE N-SM T/PL
Data sheet
Design and function
ThermoDual® – DHW charging system
HEL
LPU
TC
SFV
3
2
37
3
DTA
1
4
5
CVS/CVE
Connections:
1 Domestic water cold
2 Domestic water hot
3 Circulation (options)
4 Heating supply
5 Heating return
37 Domestic water load
The domestic hot water ow pumped through
the heat exchanger (HEL) by the charging pump
(LPU) remains constant at all times and is preset
via the balancing valve.
shut off device
balancing valve
sensor (direct, cable / universal, surface)
TC
thermometer
drain / air vent (on site / by customer)
3
Components:
DTA Domestic buer tank
HEL HE X charging / loa d
LPU Charging pump / load
SFV Safety valve
CVE Control valve electrical (accessory)
CVS Control valve self-acting (accessory)
The domestic hot water temperature is
maintained at a constant level through a
balancing valve via the water temperature
controller (CVS / CVE).
As a result, the following operation modes can
be dened for the ThermoDual® DHW charging
system:
Low Load Operation
During low load operation, all of the cold water
ows through the heat exchanger (HEL). If the
tap output is smaller than the ow pre-set by the
balancing valve, a portion of the hot water (tap
ow) ows to the tap locations in the upper part
of the tank (DTA) as a bypass. The residual water
is removed from the bottom of the tank (DTA),
causing the tank (DTA) to be continually charged.
The total tap output is covered by the heat
exchanger (HEL), while the storage tank (DTA) is
not being discharged.
Peak Load Operation
During peak load operation (higher demand that
can be supplied by the available heating power),
the pre-set cold water ow ows through the
heat exchanger (HEL) and the residual water
streams from the bottom to the top of the
storage tank (DTA). The tap output is covered
by the heat exchanger (HEL) while the domestic
water storage tank (DTA) is being simultaneously
discharged.
Once tap operation ceases, the storage tank
(DTA) is charged as described below.
DE N-SM T/PL
VD.KR.C4.02 © Danfoss 12/2013 5
ThermoDual® – DHW charging systemData sheet
Charging Operation (no consumption)
If there is no consumption the storage tank (DTA)
is being charged.
The total charging ow is removed through
the bottom of the tank (DTA) and returned
through the top of the storage tank (DTA) via
heat exchanger (HEL). If the storage tank (DTA) is
completely charged and no output consumption
occurs, the control valve (CVS / CVE) closes and
interrupts the heating water ow.
A virtual ash showing the operations is
available, please contact your Danfoss local
representative.
VD.KR.C4.02 © Danfoss 12/20136
DE N-SM T/PL
Data sheet
Sizing Dimensioning and selection of the ThermoDual®
Dimensioning Diagram for Dwelling Houses acc. to DIN 4708
ThermoDual® – DHW charging system
system should be carried out with the support of
the Danfoss dimensioning program.
DE N-SM T/PL
Example:
Performance index: ......... NL 60
Selected:
Storage tank capacity: .... 750 liters
VD.KR.C4.02 © Danfoss 12/2013 7
Evaluated:
Power consumption: ....... 110 k W
ThermoDual® – DHW charging systemData sheet
05
04
01
02
03
05
02
01
04
03
Mounting ThermoDual® - S
After the storage tank has been set up, the heat
exchanger is attached. The pre-mounted tting
set, charging pump and stainless steel pipe can
be easily installed due to mainly at screw-top
connections. The blow-o pipe of the safety
valve is to be installed by the customer, based on
ThermoDual® - GS
Connect the storage tank and the heat
exchanger with the pre-mounted piping set,
tting sets and charging pump.
The blow-o pipe of the safety valve is to
be installed by the customer, based on local
conditions and requirements.
local conditions and requirements.
Dimensions T hermoDual® - S-100 ThermoDual® - GS
H
B
H
T
ThermoDual® - S 200…1000
H
T
D
T
D
B
D
VD.KR.C4.02 © Danfoss 12/20138
DE N-SM T/PL
Data sheet
ThermoDual® – DHW charging system
H D B T
Type
[mm] [mm]
100 - 020
100 - 036 730 45
1290 610 575
approx.
200 - 010
200 - 016 69
200 - 026 70
1540 590 760 835
200 - 030 71
300 - 010
300 - 016 73
300 - 026 74
300 - 030 75
1705 640 860 885
300 - 040 77
300 - 050 79
350 - 010
350 - 016 80
350 - 026 81
350 - 030 82
1725 690 895 935
350 - 040 84
- S
350 - 050 86
500 - 010
500 - 016 94
500 - 026 95
500 - 030 96
1765 790 895 1035
500 - 040 98
500 - 050 100
500 - 060 103
750 - 016
750 - 026 141
750 - 030 142
750 - 040 144
2080 890 1020 1135
750 - 050 146
750 - 060 149
1000 - 026
1000 - 030 162
1000 - 040 164
2080 990 1105 1255
1000 - 050 166
1000 - 060 169
300 - 010
300 - 020 145
1705 640 1270 920
300 - 030 150
350 - 010
350 - 020 151
1725 690 1295 970
350 - 030 156
500 - 010
500 - 020 173
- GS
500 - 030 178
500 - 040 181
1765 790 1345 1070
500 - 050 184
750 - 020
750 - 030 195
750 - 040 199
2080 890 1395 1155
750 - 050 202
1000 - 020
1000 - 030 237
1000 - 040 241
2080 1030 1465 1275
1000 - 050 244
6
Tare weight without water
7
Welding tails 26,5 × 2,3 mm (up tp 130 kW) / 150 kW: - 33,7 × 2,6mm)
8
External thread acc. ISO 228/1
9
Tolerance: +/-10 mm
[mm]
connections
6
9
approx.
9
1,2
Rp
Rp
3
4,5
DN/G
weight
[kg]
[mm]
670
¾"
40
68
72
¾”
1½”
2"
1½”
2”
1"
¾”
1”
20 / 25
1¼”
7
8
79
93
140
161
140
146
168
191
223
DE N-SM T/PL
VD.KR.C4.02 © Danfoss 12/2013 9
ThermoDual® – DHW charging systemData sheet
10
VD.KR.C4.02 © Danfoss 12/2013
DE N-SM T/PL
Loading...