Circulation unit, Direct supply

GDA100

  • High efficiency circulation pump
  • High class insulation shell of hydronic parts
  • Pre-tested and ready to use
  • One size fits all – auto adapt function on board
The ESBE series GDA100 is a direct supply circulation unit designed for applications, where an energy transport in the most efficient way is required. Equipped with two shut-off valves with thermometers, check valve, high class insulation shell and high efficiency circulation pump. You can be sure that ESBE delivers the best circulation unit for both your economy as well as for the environment. It is simply the most efficient direct supply unit available. When designing the circulation unit product line the focus at ESBE has been to simplify installation. This goes through the whole product from pre assembly, mounting brackets and insulation to packaging design.
Product range

GDA111

Art.no. Reference DN Pump Connection I Connection J Weight [kg]
61000100 GDA111 25 Wilo 25/6 G 1" G 1½" 4,8
61000200 GDA111 32 Wilo 25/7,5 G 1¼" G 1½" 5,4

GDA112

Art.no. Reference DN Pump Connection I Connection J Weight [kg]
61000300 GDA112 25 Grundfos 25-50 G 1" G 1½" 4,9
61000400 GDA112 32 Grundfos 25-70 G 1¼" G 1½" 5,5
Installation support

Guidance for installers, Circulation Units

Operation

Operation

Installation examples

Installation examples
Technical data

Technical data

Pressure class: PN 6
Working pressure: 0,6 MPa
Insulation: EPP λ 0,036 W/mK
EEI (Energy Efficiency Index): <0,21
Media, Heating water: in accordance with VDI2035
Media, Water/Glycol mixtures: max. 50 % (above 20% admixture, the pump data must be checked)
Media, Water/Ethanol mixtures: max. 28 %
Media temperature, max.: +110 °C
Media temperature, min.: 0 °C
Ambient temperature, max.: +50 °C
Ambient temperature, min.: 0 °C
Connections, Internal thread (G): ISO 228/1
Connections, External thread (G): ISO 228/1
Material, in contact with water Components: Brass, Cast iron, Steel
Sealing materials: PTFE, Aramid fibre, EPDM

Integrated pump

Grundfos UPM3 25-50
Power supply 230 ± 10% V AC, 50/60 Hz
Power consumption 2 — 34 W
Enclosure rating IP X4D
Insulation class F
EEI (Energy Efficiency Index) <0,20
Grundfos UPM3 25-70
Power supply 230 ± 10% V AC, 50/60 Hz
Power consumption 2 — 53 W
Enclosure rating IP X4D
Insulation class F
EEI (Energy Efficiency Index) <0,20
Wilo Yonos Para 25/6-130 RKA
Power supply 230 ± 10% V AC, 50/60 Hz
Power consumption 3 — 45 W
Enclosure rating IP X4D
Insulation class F
EEI (Energy Efficiency Index) <0,20
Wilo Yonos Para 25/7,5 RKA
Power supply 230 ± 10% V AC, 50/60 Hz
Power consumption 3 — 76 W
Enclosure rating IP X4D
Insulation class F
EEI (Energy Efficiency Index) <0,21
LVD 2014/35/EU
EMC 2014/30/EU
RoHS 2011/65/EU
PED 2014/68/EU, article 4.3
ErP 2009/125/EU
ErP 2015
EnEV 2014

Dimensioning

Dimensioning
Dimensioning guide - Please see data sheet

Wiring

Please see the Installation instruction
Accessories and Spare Parts

Options

Art No. Reference Designation Note Data sheet Instruction manual
66001100 66001100 GMA411 ESBE GMA411 Hydraulic separation for 1 circulation unit. download download
66001200 66001200 GMA421 ESBE GMA421 Manifold for 2 circulation units, without integrated hydraulic separator function. download download
66001300 66001300 GMA431 ESBE GMA431 Manifold for 3 circulation units, without integrated hydraulic separator function. download download
66001400 66001400 GMA441 ESBE GMA441 Manifold for 4 circulation units, without integrated hydraulic separator function. download download
66001500 66001500 GMA451 ESBE GMA451 Manifold for 5 circulation units, without integrated hydraulic separator function. download download
66001600 66001600 GMA521 ESBE GMA521 Manifold for 2 circulation units, with integrated hydraulic separator function. download download
66001700 66001700 GMA531 ESBE GMA531 Manifold for 3 circulation units, with integrated hydraulic separator function. download download

Spare parts

Art No. Reference Designation Note Data sheet Instruction manual
67000600 67000600 GSP903 ESBE GSP903 Thermometer upgrade set, 2 pcs/package download download
67003400 67003400 GSP911 ESBE GSP911 Ball valves incl thermometer DN 25, 2 pcs/package DN25 download download
67004000 67004000 GSP911 ESBE GSP911 Ball valves incl thermometer DN 32, 2 pcs/package DN32 download download
67004400 67004400 GSP910 ESBE GSP910 Insulation, Circulation unit DN 25/32 download download
67000100 67000100 GSP901 ESBE GSP901 Pump RKA 25/6 Wilo DN25 download download
67000300 67000300 GSP901 ESBE GSP901 Pump RKA 25/7.5 Wilo DN32 download download
67000400 67000400 GSP901 ESBE GSP901 Pump UPM3 25-50 Grundfos DN25 download download
67000500 67000500 GSP901 ESBE GSP901 Pump UPM3 25-70 Grundfos DN32 download download
Download area

Download area

Type Preview Download
Data sheet GDA100 download
Installation instruction GDA100 (de, en, fr, it, pl, sv) download
Installation instruction GDA100 (cs, ee, fi, ru) download
Installation instruction GDA100, Wilo Pump download
Installation instruction GDA100, Grundfos Pump download
Certificate Declaration of Conformity, GDA100 download
Certificate Building Product Declaration BPD3, GDA100 download
Certificate EAC certificate (RU) download
Image GDA111, high res download
Image GDA112, high res download
2D Image GDA111 download
2D Image GDA112 download
3D drawing (stp file) GDA111, DN25 download
3D drawing (stp file) GDA111, DN32 download
3D drawing (stp file) GDA112, DN25 download
3D drawing (stp file) GDA112, DN32 download
Applications

Applications

Direct circulation unit intended to transport energy in the most efficient way.

Products

GDA100

Circulation unit to optimize energy transportation in domestic hot water application.