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Data Sheet
DSP MINI
a Danfoss Platform for Bremen Secondary Network
General description and
application
The DSP MINI is designed for use in district heating
networks, suitable for heating and for providing
DHW for single family houses. It provides an alternative solution to an oil or gas boiler. The DSP MINI
is designed for conventional domes tic hot water and
floor heating. The wall-mounted construction saves
space which is needed for installation and service.
The DSP MINI is designed as a wall -mounted sta tion.
Each station is equipped with micro plate heat
exchangers for DHW manufactured by Danfoss,
which significantly increase subs tation performance
and lifetime. All component s are placed at the front
of the station, which makes it very easy to access
them during maintenance or servicing. The mounting bracket significantly reduces the time required
to mount the substation to the wall. Th e connections
are predefined and all ow installers to prep are instal
lation before station is available on the site, which
reduces the time bet ween delivery and startu p. Piping prepared with automatic welding machines
ensures the highest possible welding quality.
DSP MINI is equipped with high quality Danfoss
components, which are tested, approved and optimized for safe and reliable operation:
• ECL Comfort 310 controller
• Motorized control valves
• Insert for differential pressure controller with flow
limiter or self acting temperature controller
• Brazed MicroPlate™ Heat exchanger, XB06
• Primary side polyurethane insulation according
50% ENEV
• Metal box with door
-
Operating parameters
Materials
Primary side
Maximum temperature 130 °C
Maximum pressure PN16
Connection DN 20 / Rp ¾”
Heating
Maximum temperature* 100 °C
Maximum pressure* PN6
Connection DN 20 / Rp ¾”
Domestic Hot Water
Maximum temperature 100 °C
Maximum pressure PN10
Connection DN 20 / Rp ¾”
Max dimensions (mm)
Width ⁄ Height ⁄ Depth 770 / 1000 / 330 mm
Weight (incl. packing) max. 80 kg
* In case of floor heating with heat exchanger the maximum
temperature is 50 °C and the maximum pressure is 3 bar(g)
Pipes, fittings, valves (primary side) P235GH, CuSn5ZnPb (Rg5), Red bronze (Rg5), brass MS58 (nickel plated)
Pipes, fittings, valves (heating side) P235GH , EN - GJL-150 (GG15)
Pipes, fittings, valves (DHW side) 1.4404, 1.4301, CW617N
Heat exchanger 1.4404 with Cu brazed
Insulation (heat exchanger) PU foam (λ=0.035 W/mK)
Insulation (piping primary side) PU foam (λ<0.025 W/mK)
© Danfoss | 2020.05
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Data Sheet DSP MINI a Danfoss Platform for Bremen Secondary Network
SFV W
S4
HEX
W
TE
S3
HEX
H
TE
SFV H
60 432
2122EC L 310
A 266
432 TE 400 432
200
PI
TE
DN20
primary
200
432
E
PI
TE
E
TE
220 10
TI
TI
400
270
S6
TE
200
200 MVE
PI
E
ƩW
40 30 432 MVE S5
A
A
M
PI
TE
H M2
M
W M1
DSP 2 MINI APP 3 L HE TWE BR 148L0997
270
560W
T
FS
S8
560H
T
P2
PI
MAG
DHW
HE
211
DN20
211
211
210
DN20
210
2122EC L 310
A 266
432 TE 400 432
200
DN20
primary
200
PI
PI
432
TE
E
TE
E
TE
220 10
TI
TI
400
PI
E
ƩW
40 30 432 MVE S5
270
DSP 2 MINI APP 4 L FBH TWE BR 148L0998
200 Ball valve
432 Manometer
TE Temperature sensor
400 Thermometer
220 Strainer
270 Drain valve
40 Energy meter insert
HEX W Heat exchanger DHW
10 Impulse tube connection
30 Pressure controller insert
MVE H M2 Control valve heating
S5 / S6 Surface se nsor
S8 FLow switch
SFV W
S6
TE
A
A
PI
200
200 MVE
M
W M1
TE
M
H M2
S4
HEX
W
TE
S3
HEX
H
TE
SFV H
60 432
560W
T
FS
S8
560H
T
211
DHW
DN20
211
211
P2
PI
FBH
210
DN20
210
MAG
270
MVE W M1 Control valve DHW
SFV H Safety valve heating
SFV W Safety valve DHW
HEX H Heat exchanger HE / FH
560W / 560H Safety temperature monitor (STW)
P2 Pump
211 Kugelhahn, DVGW
210 Ball valve DVGW
21 ECL controller
22 ECL application key
S3 / S4 Temperature sensor
60 Air vent
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Data Sheet DSP MINI a Danfoss Platform for Bremen Secondary Network
Function
The DSP Mini substation is the connecting part
between the h eat supplier and the consumer of the
heating and domestic hot water.
The task of the substation is to adapt the heat condition suitable for the consumer and meet the
demand from the heat supplier and consumer.
The water is coming from the district heating utility
and is fed into the station at the appropriate pressure and temperature. This can be higher in winter
and lower in the summer. The district heating water
flows in the primary fl ow through the shut-off valves
and the strainer. Pressure gauges and thermom eters
are installed in the flow and return to detect the
pressure and temperature. In primary flow additional pressure gauge is installed, directly after
strainer, for pressure drop control.
Furthermore, on the primary side, in the flow circuit
we have a control valve, depending on the variant,
control valves are used to adapt the heat condi tions
(secondary temperature) by controling the flow of
district heating water. The input s are comming from
using our Danfoss ECL Comfort 310 controller with
weather compensating function.
The district heating water then flows back to the
district heating supply via the primary return
through the shut-off valves and the strainer.
In the secondary circuit, a circulating pump distributes the heating water to the heating devices, this
is available depending on the application.
To measure the energy consumed, an insert for
a heat meter is available and sensor muffs with M10
connec tions are provided in primary side.
AI294450461001en-DE0401
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Data Sheet DSP MINI a Danfoss Platform for Bremen Secondary Network
Capacity, weight and dimensions
Capacity
Code Description
Typ e
3 148L0997 DSP 2 MINI APP 3 L HE TWE BR 15 45 XB06L-1-20 XB06 H-1-26
4 148L0998 DSP 2 MINI APP 4 L FBH TWE BR 6 45 XB0 6L-1-16 XB06H -1-26 70 55
DSP 2 MINI APP1 FBH ⁄ HE TWE BR
Typ e No. of hex Application no Type of heating Type of DHW BR = Bremen
173
131
128
83
72
0
MINI APP3 FBH = Floor heating TWE = Instantaneus
MINI APP4 HE = Heating – = Connections
755
HE
[kW]
DHW
Heat exchanger Pipe diameter
HE DHW DH HE DHW kPa Order separately Description
DN 20 /
Rp ¾”
290
Max Heating
Weight
Dp available
(kg)
65 65
Accessories
146G0010
DSP MINI
COVER
ACCESSORY
KIT
908
998
1054
0
48
90
227
205
395
305
575
485
755
Drain val ve
Primary out
Configuration Contact the sales staff responsible for additional
details and a quotation for the DSP MINI.
Drain val vePrimary in
DHW
Heating supply
Heating return
DCW
Drain pipe
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Data Sheet DSP MINI a Danfoss Platform for Bremen Secondary Network
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Data Sheet DSP MINI a Danfoss Platform for Bremen Secondary Network
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