Danfoss S - Solo Fact sheet
Fact sheet
S - Solo
Substation for single-family, semi-detached and terraced houses as well as flats
FEATURES AND BENEFITS
• District heating substation for direct
heating
• Connection pipes for DHW cylinder
• Supplied with Danfoss ECL 210 or 310
controller
• Equipped with A-labelled low-energy
pump
• Pipes and heat exchanger in stainless
steel
• Minimized risk of lime scale and bacteria formation
• The substation is very service-friendly
due to practical piping and assembly
with nuts and gaskets
Application
The S-Solo is a complete district heating substation for direct heating with
mixing loop for single-family, semi-detached and terraced houses as well as
flats. The substation features one heating circuit and it is prepared for connection to a domestic hot water cylinder.
The substation is especially suitable for
one pipe systems and systems with floor
heating.
District heating (DH)
The substation is prefabricated with interconnecting components such as fitting piece and sensor pockets for insertion of a heat meter mounted in the DH
return pipe, as well as strainer, ball valves
and pockets for pressure gauge.
Heating (HE)
The heating side features manometer,
thermometers, ball valves and a mixing
loop, with circulation pump and a throttle valve, which provides a suitable temperature level e.g. for floor heating, and
protects the heating circuit against too
high temperatures.
The heating side is controlled by an electronic temperature controller Danfoss
ECL 210 or 310 with wea
ther compensation, in combination with
an actuator and valve. Actuator and
pump are electrically wired from factory
and supplied with CEE plug for connection to 230 V.
The electronic control ECL 310 is prepared for WebAcess, which enables remote
control and remote monitoring via the
internet/intranet.
The substation is delivered preassembled, electrically wired internally and the electronic control is tested
for function and preset from factory.
Connection pipes for domestic hot
water cylinder (DHW)
As standard the S-Solo is supplied with
primary connection pipes for DHW cylinder.
Design
The S-Solo is designed for wall-mounting and during the construction much
importance has been attached to a clear
and user-friendly placement of all components.
The S-Solo can be supplied with a white-lacquered steel cover with door,
which enables easy access for meter reading and service purposes.
Design
The S-Solo is designed for wall-mounting and during the construction much
importance has been attached to a clear
and user-friendly placement of all components. The S-Solo can be supplied
with a white-lacquered steel cover with
door, which enables easy access for meter reading and service purposes.
Reading and setting
All thermometers are placed so they are
easy to read. Components, which can be
adjusted, are easily accessible.
Service og maintenance
The substation is very service-friendly
due to practical piping and assembly
with nuts and gaskets. It is mounted on
the wall and as all pipes are placed in
pipe bracket distance, it is possible to
establish a nice piping.
www.heating.danfoss.com
CIRCUIT DIAGRAM EXAMPLE SSOLO WITH ECL 210, A237
DHW
DCW
Circ.
DH
Supply
DH
Return
Design specifications:
Nominal pressure (prim/sec): PN 10 / PN 3
Max. supply temperature.: 120 °C
Weight: Max. 30 kg
4 Diff. pressure controller
5 Strainer
6 Non-return valve
7 Ball valve
8 Circulation pump
13 Thermometer
14 Pocket for pressure gauge
15 Manometer
17 Air valve
23 Sensor pocket for heat meter
24 Fitting piece for heat meter,
25 Controller Danfoss ECL210/A237
26 Outdoor sensor, ESMT
27 Sensor ESMC
29 Actuator
30 2-way valve VS2
46 Balancing valve
49 Throttle valve
P, M and S refer to the Danfoss ECLinstruction manual
HE
Supply
HE
Return
Connections:
1. DH supply 4. Cylinder supply
2. DH return 5. HE supply
3. Cylinder return 6. HE return
Colour (cover): White RAL 9010
Electrical supply: 230 V AC
Dimensions (mm):
Without cover: H 635 x W 500 x D 295
Cover: H 520 x W 500 x D 380
DHW: Capacity examples with electronic control, ECL 310, A230
Heating
capacity
20 75/40 40/65 25 3.0 491 688
20 80/45 45/70 25 3.0 491 688
20 90/50 50/70 19 4.0 430 860
30 75/40 40/65 56 6.0 737 1032
30 80/45 45/75 52 6.0 737 1032
30 90/50 50/70 43 9.0 645 1290
15 75/30 30/40 9 9.0 287 1290
15 80/30 30/40 7 9.0 258 1290
15 90/30 30/40 5 9.0 215 129 0
Heating
circuit
Primary
°C
Heating
circuit
Secondary
°C
Pressure loss
Primary
*kPa
Pressure loss
(Only sec. side of heat
exchanger)
kPa
Connections sizes:
DH, HE, Cylinder,: G ¾“ (int. thread)
Flow rate
Primary
l/h
Flow rate
Primary
l/h
© Danfoss | DHS-SRMT/ PL | 2018 . 05
VL.IE.Q2.02
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