Instructions
S-Solo HWP
District heating substation for direct heating and connection pipes for domestic hot water cylinder
Table of contents |
Safety notes / Mounting & Start-up................................. |
2 |
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Types / Main components / Dimensioned sketch....... |
4 |
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Description................................................................................ |
5 |
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Heating circuit.......................................................................... |
5 |
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Domestic hot water................................................................ |
7 |
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Troubleshooting HE............................................................... |
8 |
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Maintenance............................................................................. |
10 |
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EU Declaration of conformity............................................. |
11 |
Instructions |
S-Solo HWP |
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Safety notes |
The following instructions refer to the standard |
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design of the S-Solo HWP substation. Special |
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versions are available on request. |
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To avoid injury of persons and damages to the |
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device, it is absolutely necessary to read and |
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observe these instructions carefully. |
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Necessary assembly, start-up and maintenance |
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work must be performed by qualified and |
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authorized personnel only. |
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Please comply with the instructions of the system |
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manufacturer or system operator. |
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Unused connections and shut-off valves must be |
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sealed with a plug. The plugs must be removed by |
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an authorized service technician only. |
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Choice of materials |
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Choice of materials always in compliance with |
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local legislation |
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Warning of high pressure and temperature |
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The maximum temperature of the flow medium |
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in the S-Solo HWP substations is 90 °C. |
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The maximum operating pressure of the substation |
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is 10 bar. |
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Be aware of the installation’s permissible system |
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pressure and temperature. |
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The risk of persons being injured and equipment |
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damaged increases considerably if the |
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recommended permissible operating parameters |
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are exceeded. |
The substation installation must be equipped with safety valves, however, always in accordance with local regulations.
Warning of hot surface
The substation has got hot surfaces, which can cause skin burns. Please be extremely cautious in close proximity to the substation.
Warning of electric shock risk
Before cleaning or servicing disconnect power supplies.
Warning of transport damage
Before substation installation, please make sure that the substation has not been damaged during transport.
Sound level
≤ 55 dB
Corrosion protection
All pipes and components are made of stainless steel and brass.
The maximum chloride compounds of the flow medium should not be higher than 300 mg/l.
The risk of equipment corrosion increases considerably if the recommended permissible chloride compounds are exceeded
Disposal
This product consists of materials which must not be disposed of together with domestic waste. Dismantle the product and sort the components in various groups before disposal. Observe the disposal rules of the local legislation.
Storage |
If the substation is stored before installation, make |
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sure that the place is dry and heated. |
2 |
Produced by Danfoss Redan A/S · 03.2012 |
Instructions |
S-Solo HWP |
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Mounting |
The substation must be installed and connected by |
Heat meter assembly, fitting piece |
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authorized service personnel only. |
The flat station is equipped with a fitting piece for |
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Installation must be in compliance with the local |
insertion of a heat meter. |
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standards and regulations. |
Assembly of heat meter |
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Allow for adequate space around the substation for |
Loosen nuts from fitting piece, remove fitting |
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piece and replace with heat meter. |
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mounting and maintenance purposes. |
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Mount the heat meter according to the medium |
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Prior to the substation installation all substation |
flow direction. |
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After mounting of heat meter remember to |
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pipes and connections should be cleaned and |
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check all threaded connections |
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rinsed. |
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The substation should be wall-mounted. The |
DCW meter (option) |
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The substation can be equipped with a fitting |
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mounting sheet on the back of the substation has |
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piece for insertion of DCW meter. |
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got holes for screw installation. |
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A symbol for each of the different connections is |
Assembly of DCW meter |
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placed on the substation. |
Please refer to above assembly instructions for |
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heat meter. |
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Tightening of connections |
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Due to vibrations during transport all connections |
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must be checked and tightened before the |
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substation is installed. |
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After observing that the substations operates |
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in accordance with the dimensioning basis, the |
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connections must be tightened again and the |
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substation can be taken into continuous use. |
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Electrical connection |
Electrical connections must be made by an au- |
Before making electrical connections, please note |
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thorised electrician only. |
the following: |
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Electrical connections must be made in accor- |
- Please read the relevant parts of safety notes. |
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dance with current regulations and local stan- |
- The substation must be connected to 230 VAC |
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dards. |
and earth. |
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- The substation must be connected via an exter- |
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nal main switch, which can be disconnected |
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by repairs. |
Start-up |
Prior to the S-Solo HWP installation all its pipes and |
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connections should be cleaned and rinsed. After |
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that the strainers should be cleaned. |
Before starting-up, check if:
-pipes are connected according to the circuit diagram,
-release valves are shut off,
-threaded and flanged connections are tightened.
All Danfoss substations have been pressure tested prior to delivery.
Produced by Danfoss Redan A/S · 03.2013 |
3 |
Instructions |
S-Solo HWP |
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Components
1Danfoss controller
2Actuator HE
32-way valve *
4Differential pressure controller
5Danfoss sensor *
6Manometer
7Balancing valve
8Air valve *
9Circulation pump
10Thermometer, DH supply
11Thermometer, DH return
12Thermometer, cylinder return
13Thermometer, HE supply
14Thermometer, HE return
15Sensor pocket for heat meter *
16Fitting piece for heat meter
17Strainer
18Throttle valve
* not visible on photo
Please note:
Your substation may look different than the substation shown, as variants with other components may be supplied. The control function, however, is basically as stated in this instruction manual.
Instructions for the fitted components will be supplied together with the substation.
District heating (DH) - In the following DH is specified as the heat source for the substations. However, also other heat sources such as an oil or gas boiler or solar heating etc. could be used as the primary supply for the fitted substations, enabling the Danfoss Redan substations to be used in numerous schemes with different energy sources, depending on the local operating conditions. In order to simplify we have decided to use DH as designation for the primary supply.
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DH |
DH |
Cylinder |
Cylinder |
HE |
HE |
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Supply |
Return |
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Return |
Supply |
Supply |
Return |
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Primäry |
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Cylinder connection |
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Secundary |
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wall
Top view
1 |
DH supply |
5 |
HE supply |
2 |
DH return |
6 |
HE return |
3Cylinder return
4Cylinder supply
4 |
Produced by Danfoss Redan A/S · 03.2012 |