rSYS DN25s 2x4 RH 3-a

				

					

						Item no. 001 653
						Return flow utilisation
						


						For highly efficient utilisation of the return flow of an unmixed high-temperature circuit in a mixed low-temperature circuit by means of highly efficient operation of a system separation via flow control at a condensing boiler, a stratified storage tank or a heat transfer station.						
						

										
						
Accessories needed

													
								

									
										
										
									
									
										

											
												

												
												

															
											
												
ST DN25s AD100 P60 RR 5

												001109
													
										

									
								

																				
								

									
										
										
									
									
										

											
												

												
												

															
											
												
ST DN25s AD100 P60 RR

												001107
													
										

									
								

																			
										
				
											
						
						


						
Recommended accessories

													
								

									
										
										
									
									
										

											
												
											
											
												
ISO KuHV DN25s G1½(i)xRp1

												996085
													
										

									
								

																				
					
				
 

				
				

					

													

								
Further information?

								
							

							

								
Further questions?

								Contact technical support
														

															

						

					

				

			
 
			

		


		
					


	

	
	
	
	

		
Configure product variant

		

					

					

						
						
						

						

														
																
								
Nominal width

								

									
								
																										
																		
									
																		
								
																		
								
																													

											DN25
										

																		
								
																																						

											DN25s
										

									
								
																		
								
																		
								
																		
								
																		
								
																		
								
																											
								

								
													
 

						

													
 
						
						

													
 

						

																			
														
							
Performance class

							

																
																										

										Direct heating circuit (HT):
Kvs = 6.2 • V'max[100mbar] = 2m³/h
Q'max[20K] = 47kW
Mixing circuit (LT) with ST DN25:
Kvs = 5.7 • V'max[100mbar] = 1.8m³/h
Q'max[10K] = 21kW
									

								
									
																										

										Direct heating circuit (HT):
Kvs = 11.9 • V'max[100mbar] = 3.8m³/h
Q'max[20K] = 88kW
Mixing circuit (LT) with ST DN25s: Kvs = 7.2 • V'max[100mbar] = 2.3m³/h
Q'max[10K] = 27kW
									

								
							
							

												


						

						
								
															
Flow direction producer

								

																	
																					

												Flow direction Producer Left
											

										
								
																					

												Flow direction Producer Right
											

																		

															
						
 

																
						

							
															
						
 

						

							
															
						
 


						

							
													

						
						 
					
					

	


	

		
		
Product documentation

		

			

				

					
											
Assembly instructions

													

								Assembly instructions: For specialist partners only.
 Please log in here or register here
							

																	
																		

								Actuator multi-way mixer: For specialist partners only.
 Please log in here or register here
							

																

											
Spare parts drawing

													

								Spare parts drawing For specialist partners only.
 Please log in here or register here
							

											
											
Data sheet

												
001653_DBL_2020-09-17.pdf

					
											
GAEB

												
001653.D81

					
					
					
							


							
					

					


						
Tender text

						

							
							Baunach article master data Version: 19.11.24

BAFA funding opportunity within the scope of heating system optimisation by replacing heating circulating pumps with high-efficiency circulating pumps.

rendeMIX multi-port mixing manifold with 3/2-way tangential mixing valve DN25×G1½(a) MsGuss (adapter green), plug and cover Ms58

For highly efficient utilisation of the return flow of an unmixed high-temperature circuit in a mixed low-temperature circuit by means of highly efficient operation of a system separation via flow control at a condensing boiler, a stratified storage tank or a heat transfer station.

Actuator EMS 240, 230V~ 50Hz 3.5VA 3-point signal, 5Nm (240h), 240°, 93s

Dual circuit manifold assembly with 2 connections to the heat source and 4 connections to the heat sinks, CuØ35×1, DN32×G1½(a) flat, pipe spacing 100mm.

3 integrated gravity brakes/backflow preventer, Dp10mbar

Direct heating circuit (HT): Kvs = 11.9 - V'max[100mbar] = 3.8m³/h - Q'max[20K] = 88kW - Mixed circuit (LT) with ST DN25s: Kvs = 7.2 - V'max[100mbar] = 2.3m³/h - Q'max[10K] = 27kW - Leakage rate < 0,1%

6 Thermometers 0-120°C, Ø63mm, soldering sleeves Ms58

6 ball valve screw connections, DN25s passage, PN20, G1½(i)×Rp1 flat-sealing, stuffing box, spindle with aluminium T-handle

Insulating moulded tray EPP 40g/l, black, 450×450mm, quick assembly kit

With pump flange G1½(i) for pump DN25 on the unmixed heating circuit flow (3)

Assembly includes ONE pump balancing piece - PAS L180 - with G1½(a)×G1½(i) fittings for balancing one pump DN25, length 180mm, insulated (part no.: 001 338).

With built-in high-efficiency Grundfos UPM3 pump, DN25, 130mm, H 5-6mWS, 230V~ 50Hz, 2m connection cable, EEI < 0,2

Model DN 25 - strong version, PN 10bar, Tmax 120°C

ATTENTION: CANNOT BE USED WITHOUT SYSTEM SEPARATION!						

						


															
Performance data

								

									Direct heating circuit (HT): Kvs = 11.9 - V'max[100mbar] = 3.8m³/h - Q'max[20K] = 88kW - Mixed circuit (LT) with ST DN25s: Kvs = 7.2 - V'max[100mbar] = 2.3m³/h - Q'max[10K] = 27kW - Leakage rate < 0,1%								

														
 
					

				

			

		


		
		

		

	








	
			
			
						
			
		 
		
					
						

							

									
										Baunach