Danfoss DSE Data sheet

Product Sheet

Flexible Heat Exchanger Stations

Type DSE

General description and application

Typical Uses

•District heating building connections

•Commercial building hydronic separation

•Tall building pressure breakers

Heat exchanger stations are designed for hydronic separation of LTHW and CHW systems. Suitable for district energy connections, commercial buildings, and renewable applications, the stations come complete with all relevant items to enable heat transfer, balance, control, and service of the primary to secondary system connection.

The stations can be installed individually, or in parallel as duty/duty or duty /standby supplies. PN25 versions are available on request for use as tall building or high pressure system breakers.

The stations include:

-A heat exchanger to transfer the energy between systems

-A controller which can provide individual heat exchanger control, be linked to control multiple units, and be connected to a building management system over-ride

-Pressure independent control valve for flow and motorised control in a dynamic pressure system

-An MID approved ultrasonic energy meter for measurement, monitoring, and billing accurate consumption data

-A commissioning valve for measurement of flow -A secondary side safety valve

-Primary and secondary strainers -Ball or butterfly isolation valves

The stations are factory tested to the pressure equipment directive (PED)

	General Operating Parameters	Station Details
	*other parameters are available on request
		Pipework Sizes	DN40-200
		Maximum permissible supply temperature	95 ºC
		PN Rating	16 Bar
		Flow Rate Range	0.83 l/s to 40 l/s
		Maximum Differential Pressure (Primary)	4 Bar
		Safety Valve Rating (secondary)	6 Bar standard (higher upon request)
		Pipes and pipe fittings, flanges	P235GH-TC1, C22.8, CuS
		Heat Exchanger	1.4404 with CU brazing compound
		Insulation	PU-Hardfoam, black, λ =0.027 W/mK

Please note, this is a generic specification and not necessarily related to your project. For exact specification, please refer to the bill of materials, and specification pages for your project.

Product Sheet	Standard Heat Exchanger Stations	Type DSE

Function	The heat is drawn from the primary heat source, commonly a boiler, district heating supply, or CHP, through the
	isolation valve, strainer, balancing valve, and heat exchanger, then back via the return pipe to the primary heat
	source.
	On the secondary side of the stations, the flow enters and passes through the isolation valve and strainer, to the
	heat exchanger, where is gains energy to supply the building with heat or cooling water. A safety valve is located
	on the secondary flow to ensure an excess of pressure is not experienced on the secondary system. This can be
	provided with the required opening pressure.
	A pressure independent control valve balances and limits flow through the pipework, to achieve the required
	secondary outlet temperature. The flow control is independent of pressure fluctuations in the system and the
	motorised valve element has full authority control at all load conditions.
	The energy meter is positioned on the return, with two sensors, one on the flow, one on the return. The energy
	meter measures the volumetric flow rate, and the difference in temperature between flow and return, to calculate
	the energy used by the connection. The meter is supplied with an m-bus output to feed the energy usage to the
	building management system or meter reading system
	The controller senses the secondary return temperature, and modulates the control valve to achieve the desired
	secondary flow temperature. An outdoor sensor can be added to provide weather compensation. A number of
	applications can be provided by one controller, with an application key supplied with the station to control the
	station as per the application.
	The station is provided with fully isolation provided by ball or fully lugged butterfly valves, temperature and
	pressure gauges, test points, and drain points.

Station Flow Rate and Capacities

				Min	Capacity	Capacity	Capacity	Max Primary	Max
			Max Design	Design	kW	kW LTHW	kW		Secondary
Pipework Size	Code	Connection			LTHW ∆T		CHW ∆T	Station ∆P
			Flow Rate (l/s)	Flow Rate	20	∆T 30	6	(*2)	Station ∆P
				(l/s)		(*1)			(*2)
					(*1)		(*1)
DN40	DSE1 MAXI IG 40-040	1.1/2" BSP threaded	2.05	0.82	172	258	52	85 kPa	41 kPa
DN50	DSE1 MAXI IG 50-050	2" BSP threaded	3.50	1.4	294	441	88	91 kPa	45 kPa
DN65	DSE1 LARGE IT 65-65	2.1/2" PN16 Flanged	5.50	2.2	462	692	138	92 kPa	41 kPa
DN80	DSE1 LARGE IT 80-80	3" PN16 Flanged	7.50	3	629	944	189	82 kPa	39 kPa
DN100	DSE1 LARGE IT 100-100	4" PN16 Flanged	10.00	4	839	1259	252	81 kPa	39 kPa
DN125-1	DSE1 LARGE IT 125-125-15ls	5" PN16 Flanged	15.00	6	1259	1888	378	82 kPa	38 kPa
DN125-2	DSE1 LARGE IT 125-125-20ls	5" PN16 Flanged	20.75	8.3	1741	2612	522	84 kPa	41 kPa
DN125-3	DSE1 LARGE IT 125-125-25ls	5" PN16 Flanged	25.00	10	2098	3147	629	89 kPa	43 kPa
DN150	DSE1 LARGE IT 150-150	6" PN16 Flanged	30.00	12	2517	3776	755	84 kPa	40 kPa
DN200	DSE1 LARGE IT 200-200	8" PN16 Flanged	40.00	16	3357	5035	1007	80 kPa	39 kPa

Notes *1-These figures are primary duty at the max design flow rate and the ∆T described

Notes *2-These figures are at maximum capacity, with a heat exchanger selected to lose 30 kPa. If you require a lower pressure loss please discuss this with your Danfoss representative

Please note, this is a generic specification and not necessarily related to your project. For exact specification, please refer to the bill of materials, and specification pages for your project.

Product Sheet

Standard Heat Exchanger Stations

Type DSE

Unit Schematic

Key Components

Position	Type	Position	Type
500	Control box	159	Isolation Valve
1	Heat exchanger	160	Pocket for thermometer sensor
12	Isolation Valve	160	Temperature Gauge
14	Temperature Gauge	175	Secondary Flow Drain Point
16	Pressure Gauge	181	Secondary Return Drain Point
18	Strainer	183	Air vent
20	Sensor for energy meter	184	Immersion Sensor
24	Hydronic Balancing valve	186	Safety valve
26	Air vent	187	Safety valve
29	Primary Flow Drain Point	195	Pressure Gauge
31	Primary Return Drain Point	196	Temperature Gauge
35	Pressure Independent Control Valve	197	Isolation Valve
40	Ultrasonic Energy meter	752	ECL controller
42	Sensor for energy meter
44	Pressure Gauge
46	Temperature Gauge
48	Isolation Valve

Component Types

	Component type	DN40	DN50	DN65	DN80	DN100	DN125-1	DN125-2	DN125-3	DN150	DN200
	Max Flow Rate l/s	2.05	3.5	5.5	7.5	10	15	20.75	25	30	40
	Heat Exchanger (See note 1)	XG	XG	XG	XG	XG	XG	XG	XG	XG	XG
	Controller	ECL 210	ECL 210	ECL 210	ECL 210	ECL 210	ECL 210	ECL 210	ECL 210	ECL 210	ECL 210
	Energy Meter	Sonometer 30	Sonometer 30	Sonometer 31	Sonometer 31	Sonometer 31	Sonometer 31	602 Ultraflow	602 Ultraflow	602 Ultraflow	602 Ultraflow
	Pressure Independent	ABQM	ABQM	ABQM	ABQM	ABQM	ABQM	ABQM	ABQM	ABQM	ABQM
	Control Valve
	Strainers	FVF	FVF	FVF	FVF	FVF	FVF	FVF	FVF	FVF	FVF
	Balancing Valve	MSV-BD	MSV-BD	MSV-F2	MSV-F2	MSV-F2	MSV-F2	MSV-F2	MSV-F2	MSV-F2	MSV-F2
	Temperature Sensor	ESMU 100	ESMU 100	ESMU 100	ESMU 100	ESMU 100	ESMU 100	ESMU 100	ESMU 100	ESMU 100	ESMU 100
	Safety Valve	SYR 1915	SYR 1915	SYR 2115	SYR 2115	SYR 2115	SYR 2115	SYR 2115	SYR 2115	SYR 2115	SYR 2115
	Isolation Valves	IVR 954	IVR 954	VFY-LH	VFY-LH	VFY-LH	VFY-LH	VFY-LH	VFY-LH	VFY-LG	VFY-LG
	Temperature Gauges	TDL 150	TDL 150	TDL 150	TDL 150	TDL 150	TDL 150	TDL 150	TDL 150	TDL 150	TDL 150
	Pressure Gauges	M80 0-16 Bar	M80 0-16 Bar	M80 0-16 Bar	M80 0-16 Bar	M80 0-16 Bar	M80 0-16 Bar	M80 0-16 Bar	M80 0-16 Bar	M80 0-16 Bar	M80 0-16 Bar
	Air Vent	Manual	Manual	Manual	Manual	Manual	Manual	Manual	Manual	Manual	Manual
	Drain Points	IVR 954	IVR 954	IVR 954	IVR 954	IVR 954	IVR 954	IVR 954	IVR 954	IVR 954	IVR 954

Note 1-The heat exchanger selections will vary depending on duty requirement and temperature requirements

Please note, this is a generic specification and not necessarily related to your project. For exact specification, please refer to the bill of materials, and specification pages for your project.