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Danfoss District Energy

MAKING MODERN LIVING POSSIBLE

S 22

Instructions for installation and use

S 22

Instructions for installation and use

Содержание S 22

Страница 1: ...Danfoss District Energy MAKING MODERN LIVING POSSIBLE S 22 Instructions for installation and use S 22 Instructions for installation and use ...

Страница 2: ...llation instructions connection safety and handling 5 5 Installation instructions GETTING STARTED 6 6 Installation instructions general 7 7 Electrical connections ECL Comfort 310 8 8 Adjustment and commissioning heating circuit 9 9 Adjustment and commissioning DHW circuit App A266 11 10 Operation and maintenance 12 11 Maintenance plan 13 12 Troubleshooting 14 13 EU Declaration of Conformity 16 14 ...

Страница 3: ...mp HE Circulation pump DHW Thermometer DHW Thermometer HE supply Thermometer HE return Safety valves DHW Air valve Manometer DH supply Manometer DH return Fitting piece for heat meter optional Alternative equipment Fitted standard pump can be replaced with an A labelled Grundfos pump Please contact our sales department for further information Accessories available as extra equipment White cover wi...

Страница 4: ...istrict heating water has a significant effect on the overall energy economy Please note that the district heating return temperature is directly related to the return tempera ture from the heating circuit and the return temperature from the DHW plate heat exchanger Therefore it is important to focus on the supply and return temperature in the heating system The difference should typically be 30 3...

Страница 5: ...rts of the unit may be very hot and can cause burn injuries Be very carefulwhenyouareintheimmediatevicinityoftheunit Warningsabouthighpressureandhightemperature The maximum supply temperature in the district heating network can be up to 120 C and the operating pressure can be up to 16 bar This may result in a risk of scalding from touching the unit and from outflowofthemedium Exceedingtheunitdesig...

Страница 6: ...ections as they may have loosened during transport and handling do NOT overtighten check that the air valve in top of the unit is closed 4 Establish a drain connection on the safety valves in compli ance with the aplicable legislation 5 Open the ball valves for HE supply and return and fill the system with water by carefully opening the ball valve for the district heating supply flow and at the sa...

Страница 7: ...stem with water retighten all the pipe connec tions because vibrations and shocks during transport and handling may have caused leaks Once the system has been filled with water tighten all the pipe connections once more before performing pres sure test for leaks After heating of the system check all the connec tions and retighten if necessary Please note that the connections may feature EPDM rubbe...

Страница 8: ...SMT The outdoor temperature sensor is supplied loose with the unit It is to be mounted on site as shown in the drawings to the right Alwaysmountthesensoronthecoldestsideofthebuilding normally the north side It must not be exposed to morning sunlight and must not be po sitioned above windows doors ventilation ducts balconies under overhanging roof sections or close to any other heat source Installa...

Страница 9: ...readed and flanged connections are tightened Differential pressure controller common return pipe only Application A266 The differential pressure controller Danfoss AVP F reduces the high fluctuations in pressure in the district heating network ensuring a small and constant operating pressure across the unit This ensures optimum operating conditions for the control equipment The differential pressu...

Страница 10: ...pressure Max pos Venting Vertical pos Constant pressure Max pos Pump Wilo Stratos PARA Yonos PARA system with ECL The pump is factory connected to the ECL controller On systems with ECL controller turn the red switch to the right con stant curve and set it to Max pos initially Then set the pump to the lowest possible position depending on the heating requirement for the building taking into accoun...

Страница 11: ...ssioning DHW circuit App A266 Danfoss ECL Comfort 310 Application A266 The substation is supplied with an Danfoss ECL 310 controller The ECL controller is supplied with an ECL Application Key A266 which is adapted to the type of system for which electronic control of the DHW circuit is wanted Note Various applications can be loaded The controller is factory set for local language and the running t...

Страница 12: ...er Venting During start up of the heating season always vent the radiator cir cuit heating side the pump and the unit To vent the unit use the air valve pos 17 in the unit Vent the radiator circuit heating side on the bleed screws of the radiators Vent the pump according to instructions in the pump manual Measuresaftermaintenancework After maintenance work and before commissioning Check that all s...

Страница 13: ... that all components are intact and functioning as intended In the event of irregularities lack of functionality or visible faults and defects in a component replace the component in questionn Clean all dirt filters strainers in the unit Replace any filters that are not intact Check that any electrical cables are in serviceable condition and that it is possible to disconnect the electrical power s...

Страница 14: ...tic components controller incorrectly adjusted or defective or possibly power outage The pump is not working The pump is set at too low speed of rota tion not all system types Air pockets in the system Check that the actor is functioning cor rectly clean the valve seat if necessary Check that the controller setting is cor rect see the separate instructions for the controller Check the power supply...

Страница 15: ...onsultation with the water supply company Replace the heat exchanger Long wait for hot water Circulation pump out of order Check whether the pump is running and whether there is a power supply to the pump Make sure that there is no air in the pump housing No hot water Dirt strainer in the district heating sup ply line clogged Defective controller Defective sensor Clean the dirt strainer Check cont...

Страница 16: ...00 6 2 2005 Electromagnetic compatibility Generic standard Immunity industry EN 61000 6 3 2007 Electromagnetic compatibility Generic standard Emission for residential commercial and light industry EN 61000 6 4 2007 Electromagnetic compatibility Generic standard Emission industry Machinery Directive 2006 42 EEC EN ISO 14121 1 Safety of machinery Risk assessment EN 60204 1 Safety of machinery Electr...

Страница 17: ... with all technical regulations and the applicable legislation in every respect Installation and commissioning must only be performed by trained authorised personnel The unit is checked in the factory for leaks before delivery Leaks are however possible due to vibrations caused by transport hand ling and heating of the system and therefore it is important to check all connections and to retighten ...

Страница 18: ...18 Instructions for installation and use S 22 DKDHR VI IE D1 02 Danfoss District Energy ...

Страница 19: ...19 19 Instructions for installation and use S 22 Danfoss District Energy VI IE D1 02 DKDHR ...

Страница 20: ...Danfoss Redan A S District Energy Omega 7 Søften DK 8382 Hinnerup Tel 45 87 43 89 43 Fax 45 87 43 89 44 redan danfoss com www redan danfoss dk VI IE D1 02 Produced by Danfoss A S 09 2012 ...

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